void write_point(struct Map_info *Out, double x, double y, double z,
int line_cat, double along, int table)
{
char buf[2000];
G_debug(3, "write_point()");
Vect_reset_line(PPoints);
Vect_reset_cats(PCats);
/* Write point */
Vect_append_point(PPoints, x, y, z);
Vect_cat_set(PCats, 1, line_cat);
Vect_cat_set(PCats, 2, point_cat);
Vect_write_line(Out, GV_POINT, PPoints, PCats);
/* Attributes */
if (!table) {
db_zero_string(&stmt);
sprintf(buf, "insert into %s values ( %d, %d, %.15g )", Fi->table,
point_cat, line_cat, along);
db_append_string(&stmt, buf);
if (db_execute_immediate(driver, &stmt) != DB_OK) {
G_warning(_("Unable to insert new record: '%s'"),
db_get_string(&stmt));
}
}
point_cat++;
}
/*!
\brief Delete table
\param drvname driver name
\param dbname database name
\param tblname table name
\return DB_OK on success
\return DB_FAILED on failure
*/
int db_delete_table(const char *drvname, const char *dbname, const char *tblname)
{
dbDriver *driver;
dbString sql;
G_debug(3, "db_delete_table(): driver = %s, db = %s, table = %s\n",
drvname, dbname, tblname);
/* Open driver and database */
driver = db_start_driver_open_database(drvname, dbname);
if (driver == NULL) {
G_warning(_("Unable open database <%s> by driver <%s>"), dbname,
drvname);
return DB_FAILED;
}
/* Delete table */
/* TODO test if the tables exist */
db_init_string(&sql);
db_set_string(&sql, "drop table ");
db_append_string(&sql, tblname);
G_debug(3, "%s", db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK) {
G_warning(_("Unable to drop table: '%s'"),
db_get_string(&sql));
db_close_database_shutdown_driver(driver);
return DB_FAILED;
}
db_close_database_shutdown_driver(driver);
return DB_OK;
}
/* insert values into the table (cat, val | dval) */
void insert_value(int cat, int val, double dval)
{
char buf[1000];
sprintf(buf, "insert into %s values (%d", Fi->table, cat);
db_set_string(&sql, buf);
if (data_type == CELL_TYPE)
sprintf(buf, ", %d", val);
else
sprintf(buf, ", %f", dval);
db_append_string(&sql, buf);
if (has_cats) {
char *lab;
lab = Rast_get_c_cat(&val, &RastCats); /*cats are loaded only for CELL type */
db_set_string(&label, lab);
db_double_quote_string(&label);
sprintf(buf, ", '%s'", db_get_string(&label));
db_append_string(&sql, buf);
}
db_append_string(&sql, ")");
G_debug(3, db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Cannot insert new row: %s"), db_get_string(&sql));
}
int main(int argc, char **argv)
{
dbString stmt;
dbDriver *driver;
dbHandle handle;
int ret;
FILE *fd;
int error;
error = 0;
parse_command_line(argc, argv);
if (strcmp(parms.input, "-")) {
fd = fopen(parms.input, "r");
if (fd == NULL) {
G_fatal_error(_("Unable to open file <%s> for reading.\n"
"Details: %s"), parms.input, strerror(errno));
}
}
else {
fd = stdin;
}
driver = db_start_driver(parms.driver);
if (driver == NULL) {
G_fatal_error(_("Unable to start driver <%s>"), parms.driver);
}
db_init_handle(&handle);
db_set_handle(&handle, parms.database, parms.schema);
if (db_open_database(driver, &handle) != DB_OK)
G_fatal_error(_("Unable to open database <%s>"), parms.database);
while (get_stmt(fd, &stmt)) {
if (!stmt_is_empty(&stmt)) {
G_debug(3, "sql: %s", db_get_string(&stmt));
ret = db_execute_immediate(driver, &stmt);
if (ret != DB_OK) {
if (parms.i) { /* ignore SQL errors */
G_warning(_("Error while executing: '%s'"),
db_get_string(&stmt));
error++;
}
else
G_fatal_error(_("Error while executing: '%s'"),
db_get_string(&stmt));
}
}
}
db_close_database(driver);
db_shutdown_driver(driver);
exit(error ? EXIT_FAILURE : EXIT_SUCCESS);
}
/*------------------------------------------------------------------------------------------------*/
int P_Drop_Aux_Table(dbDriver * driver, char *tab_name)
{
dbString drop;
db_init_string(&drop);
db_append_string(&drop, "drop table ");
db_append_string(&drop, tab_name);
return db_execute_immediate(driver, &drop);
}
static void create_table(struct Map_info *flowline_vec,
struct field_info **f_info, dbDriver ** driver,
int write_scalar, int use_sampled_map)
{
dbString sql;
char buf[200];
dbDriver *drvr;
struct field_info *fi;
db_init_string(&sql);
fi = Vect_default_field_info(flowline_vec, 1, NULL, GV_1TABLE);
*f_info = fi;
Vect_map_add_dblink(flowline_vec, 1, NULL, fi->table, GV_KEY_COLUMN,
fi->database, fi->driver);
drvr = db_start_driver_open_database(fi->driver,
Vect_subst_var(fi->database,
flowline_vec));
if (drvr == NULL) {
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Vect_subst_var(fi->database, flowline_vec), fi->driver);
}
db_set_error_handler_driver(drvr);
*driver = drvr;
sprintf(buf, "create table %s (cat integer, velocity double precision",
fi->table);
db_set_string(&sql, buf);
if (write_scalar)
db_append_string(&sql, ", input double precision");
if (use_sampled_map)
db_append_string(&sql, ", sampled double precision");
db_append_string(&sql, ")");
db_begin_transaction(drvr);
/* Create table */
if (db_execute_immediate(drvr, &sql) != DB_OK) {
G_fatal_error(_("Unable to create table: %s"), db_get_string(&sql));
}
if (db_create_index2(drvr, fi->table, fi->key) != DB_OK)
G_warning(_("Unable to create index for table <%s>, key <%s>"),
fi->table, fi->key);
/* Grant */
if (db_grant_on_table
(drvr, fi->table, DB_PRIV_SELECT, DB_GROUP | DB_PUBLIC) != DB_OK) {
G_fatal_error(_("Unable to grant privileges on table <%s>"),
fi->table);
}
}
int insert_new_record(dbDriver * driver, struct field_info *Fi,
dbString * sql, int cat, int comp)
{
char buf[2000];
sprintf(buf, "insert into %s values (%d, %d)", Fi->table, cat, comp);
db_set_string(sql, buf);
G_debug(3, "%s", db_get_string(sql));
if (db_execute_immediate(driver, sql) != DB_OK) {
db_close_database_shutdown_driver(driver);
G_fatal_error(_("Cannot insert new record: %s"), db_get_string(sql));
return 0;
};
return 1;
}
int UpDate(double partialX, double partialY, double Interp,
int line_num, dbDriver * driver, char *tab_name)
{
char buf[1024];
dbString sql;
int ret;
db_init_string(&sql);
sprintf(buf,
"UPDATE %s SET Interp=%lf, X=%lf, Y=%lf WHERE ID=%d",
tab_name, Interp, partialX, partialY, line_num);
db_append_string(&sql, buf);
ret = db_execute_immediate(driver, &sql);
db_free_string(&sql);
return ret;
}
int Insert_Interpolation(double Interp, int line_num, dbDriver * driver,
char *tab_name)
{
char buf[1024];
dbString sql;
int ret;
db_init_string(&sql);
sprintf(buf, "INSERT INTO %s (ID, Interp)", tab_name);
db_append_string(&sql, buf);
sprintf(buf, " VALUES (%d, %lf)", line_num, Interp);
db_append_string(&sql, buf);
ret = db_execute_immediate(driver, &sql);
db_free_string(&sql);
return ret;
}
void process_node(int node, int cat)
{
char buf[2000];
sprintf(buf, "INSERT INTO %s VALUES(%d", Fi->table, cat);
db_set_string(&sql, buf);
if (deg_opt->answer)
append_double(&sql, deg[node]);
if (close_opt->answer)
append_double(&sql, closeness[node]);
if (betw_opt->answer)
append_double(&sql, betw[node]);
if (eigen_opt->answer)
append_double(&sql, eigen[node]);
db_append_string(&sql, ")");
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database_shutdown_driver(driver);
G_fatal_error(_("Cannot insert new record: %s"), db_get_string(&sql));
}
}
/*
Write a vector geometry to the output GRASS vector map.
Write attributes to table linked to that map. Link vector object to attribute
table record.
*/
void write_vect( int cat, int skelID, int boneID, int unitID,
double *xpnts, double *ypnts, double *zpnts,
int arr_size, int type )
{
struct line_cats *Cats;
struct line_pnts *Points;
char buf[MAXSTR];
char rgbbuf[12];
char rgbbuf2[12];
/* copy xyzpnts to Points */
Points = Vect_new_line_struct();
Vect_copy_xyz_to_pnts(Points, xpnts, ypnts, zpnts, arr_size);
/* write database attributes */
Cats = Vect_new_cats_struct();
sprintf ( rgbbuf, "%i:%i:%i", RGB[RGBNUM][0], RGB[RGBNUM][1], RGB[RGBNUM][2] );
sprintf ( rgbbuf2, "%i:%i:%i", RGB[RGB_MAPPER_COLOUR[boneID-1]][0],RGB[RGB_MAPPER_COLOUR[boneID-1]][1], RGB[RGB_MAPPER_COLOUR[boneID-1]][2] );
sprintf(buf, "insert into %s (cat, skel_id, bone_id, unit_id, GRASSRGB, BONERGB) values(%i,%i,%i,%i,'%s','%s');",
Fi->table, cat, skelID, boneID, unitID, rgbbuf, rgbbuf2);
if ( DEBUG ) {
fprintf ( stderr, "Writing attribute: %s\n", buf );
}
db_set_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK) {
G_fatal_error(_("Unable to insert new record: %s"), db_get_string(&sql));
}
db_free_string(&sql);
Vect_cat_set(Cats, 1, cat);
/* write */
Vect_write_line(Map, type, Points, Cats);
Vect_destroy_cats_struct(Cats);
Vect_destroy_line_struct(Points);
}
int point_save(double xmm, double ymm, double zmm, double err)
/*
c saves point deviations
c
*/
{
int cat;
Vect_reset_line(Pnts);
Vect_reset_cats(Cats);
Vect_append_point(Pnts, xmm, ymm, zmm);
cat = count;
Vect_cat_set(Cats, 1, cat);
Vect_write_line(&Map, GV_POINT, Pnts, Cats);
db_zero_string(&sql);
sprintf(buf, "insert into %s values ( %d ", f->table, cat);
db_append_string(&sql, buf);
sprintf(buf, ", %f", err);
db_append_string(&sql, buf);
db_append_string(&sql, ")");
G_debug(3, "%s", db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error(_("Cannot insert new row: %s"), db_get_string(&sql));
}
count++;
return 1;
}
int main(int argc, char *argv[])
{
struct Map_info In, Out;
static struct line_pnts *Points;
struct line_cats *Cats;
struct GModule *module; /* GRASS module for parsing arguments */
struct Option *map_in, *map_out;
struct Option *cat_opt, *field_opt, *where_opt, *abcol, *afcol;
struct Option *iter_opt, *error_opt;
struct Flag *geo_f, *add_f;
int chcat, with_z;
int layer, mask_type;
struct varray *varray;
dglGraph_s *graph;
int i, geo, nnodes, nlines, j, max_cat;
char buf[2000], *covered;
/* initialize GIS environment */
G_gisinit(argv[0]); /* reads grass env, stores program name to G_program_name() */
/* initialize module */
module = G_define_module();
module->keywords = _("vector, network, centrality measures");
module->description =
_("Computes degree, centrality, betweeness, closeness and eigenvector "
"centrality measures in the network.");
/* Define the different options as defined in gis.h */
map_in = G_define_standard_option(G_OPT_V_INPUT);
field_opt = G_define_standard_option(G_OPT_V_FIELD);
map_out = G_define_standard_option(G_OPT_V_OUTPUT);
cat_opt = G_define_standard_option(G_OPT_V_CATS);
cat_opt->guisection = _("Selection");
where_opt = G_define_standard_option(G_OPT_WHERE);
where_opt->guisection = _("Selection");
afcol = G_define_standard_option(G_OPT_COLUMN);
afcol->key = "afcolumn";
afcol->required = NO;
afcol->description =
_("Name of arc forward/both direction(s) cost column");
afcol->guisection = _("Cost");
abcol = G_define_standard_option(G_OPT_COLUMN);
abcol->key = "abcolumn";
abcol->required = NO;
abcol->description = _("Name of arc backward direction cost column");
abcol->guisection = _("Cost");
deg_opt = G_define_standard_option(G_OPT_COLUMN);
deg_opt->key = "degree";
deg_opt->required = NO;
deg_opt->description = _("Name of degree centrality column");
deg_opt->guisection = _("Columns");
close_opt = G_define_standard_option(G_OPT_COLUMN);
close_opt->key = "closeness";
close_opt->required = NO;
close_opt->description = _("Name of closeness centrality column");
close_opt->guisection = _("Columns");
betw_opt = G_define_standard_option(G_OPT_COLUMN);
betw_opt->key = "betweenness";
betw_opt->required = NO;
betw_opt->description = _("Name of betweenness centrality column");
betw_opt->guisection = _("Columns");
eigen_opt = G_define_standard_option(G_OPT_COLUMN);
eigen_opt->key = "eigenvector";
eigen_opt->required = NO;
eigen_opt->description = _("Name of eigenvector centrality column");
eigen_opt->guisection = _("Columns");
iter_opt = G_define_option();
iter_opt->key = "iterations";
iter_opt->answer = "1000";
iter_opt->type = TYPE_INTEGER;
iter_opt->required = NO;
iter_opt->description =
_("Maximum number of iterations to compute eigenvector centrality");
error_opt = G_define_option();
error_opt->key = "error";
error_opt->answer = "0.1";
error_opt->type = TYPE_DOUBLE;
error_opt->required = NO;
error_opt->description =
_("Cummulative error tolerance for eigenvector centrality");
geo_f = G_define_flag();
geo_f->key = 'g';
geo_f->description =
_("Use geodesic calculation for longitude-latitude locations");
add_f = G_define_flag();
add_f->key = 'a';
add_f->description = _("Add points on nodes");
/* options and flags parser */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/* TODO: make an option for this */
mask_type = GV_LINE | GV_BOUNDARY;
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
Vect_check_input_output_name(map_in->answer, map_out->answer,
GV_FATAL_EXIT);
Vect_set_open_level(2);
if (1 > Vect_open_old(&In, map_in->answer, ""))
G_fatal_error(_("Unable to open vector map <%s>"), map_in->answer);
with_z = Vect_is_3d(&In);
if (0 > Vect_open_new(&Out, map_out->answer, with_z)) {
Vect_close(&In);
G_fatal_error(_("Unable to create vector map <%s>"), map_out->answer);
}
if (geo_f->answer) {
geo = 1;
if (G_projection() != PROJECTION_LL)
G_warning(_("The current projection is not longitude-latitude"));
}
else
geo = 0;
/* parse filter option and select appropriate lines */
layer = atoi(field_opt->answer);
chcat =
(NetA_initialise_varray
(&In, layer, mask_type, where_opt->answer, cat_opt->answer,
&varray) == 1);
/* Create table */
Fi = Vect_default_field_info(&Out, 1, NULL, GV_1TABLE);
Vect_map_add_dblink(&Out, 1, NULL, Fi->table, "cat", Fi->database,
Fi->driver);
db_init_string(&sql);
driver = db_start_driver_open_database(Fi->driver, Fi->database);
if (driver == NULL)
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Fi->database, Fi->driver);
db_init_string(&tmp);
if (deg_opt->answer)
append_string(&tmp, deg_opt->answer);
if (close_opt->answer)
append_string(&tmp, close_opt->answer);
if (betw_opt->answer)
append_string(&tmp, betw_opt->answer);
if (eigen_opt->answer)
append_string(&tmp, eigen_opt->answer);
sprintf(buf,
"create table %s(cat integer%s)", Fi->table, db_get_string(&tmp));
db_set_string(&sql, buf);
G_debug(2, db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database_shutdown_driver(driver);
G_fatal_error(_("Unable to create table: '%s'"), db_get_string(&sql));
}
if (db_create_index2(driver, Fi->table, "cat") != DB_OK)
G_warning(_("Cannot create index"));
if (db_grant_on_table
(driver, Fi->table, DB_PRIV_SELECT, DB_GROUP | DB_PUBLIC) != DB_OK)
G_fatal_error(_("Cannot grant privileges on table <%s>"), Fi->table);
db_begin_transaction(driver);
Vect_copy_head_data(&In, &Out);
Vect_hist_copy(&In, &Out);
Vect_hist_command(&Out);
Vect_net_build_graph(&In, mask_type, atoi(field_opt->answer), 0,
afcol->answer, abcol->answer, NULL, geo, 0);
graph = &(In.graph);
nnodes = dglGet_NodeCount(graph);
deg = closeness = betw = eigen = NULL;
covered = (char *)G_calloc(nnodes + 1, sizeof(char));
if (!covered)
G_fatal_error(_("Out of memory"));
if (deg_opt->answer) {
deg = (double *)G_calloc(nnodes + 1, sizeof(double));
if (!deg)
G_fatal_error(_("Out of memory"));
}
if (close_opt->answer) {
closeness = (double *)G_calloc(nnodes + 1, sizeof(double));
if (!closeness)
G_fatal_error(_("Out of memory"));
}
if (betw_opt->answer) {
betw = (double *)G_calloc(nnodes + 1, sizeof(double));
if (!betw)
G_fatal_error(_("Out of memory"));
}
if (eigen_opt->answer) {
eigen = (double *)G_calloc(nnodes + 1, sizeof(double));
if (!eigen)
G_fatal_error(_("Out of memory"));
}
if (deg_opt->answer) {
G_message(_("Computing degree centrality measure"));
NetA_degree_centrality(graph, deg);
}
if (betw_opt->answer || close_opt->answer) {
G_message(_("Computing betweenness and/or closeness centrality measure"));
NetA_betweenness_closeness(graph, betw, closeness);
if (closeness)
for (i = 1; i <= nnodes; i++)
closeness[i] /= (double)In.cost_multip;
}
if (eigen_opt->answer) {
G_message(_("Computing eigenvector centrality measure"));
NetA_eigenvector_centrality(graph, atoi(iter_opt->answer),
atof(error_opt->answer), eigen);
}
nlines = Vect_get_num_lines(&In);
G_message(_("Writing data into the table..."));
G_percent_reset();
for (i = 1; i <= nlines; i++) {
G_percent(i, nlines, 1);
int type = Vect_read_line(&In, Points, Cats, i);
if (type == GV_POINT && (!chcat || varray->c[i])) {
int cat, node;
if (!Vect_cat_get(Cats, layer, &cat))
continue;
Vect_reset_cats(Cats);
Vect_cat_set(Cats, 1, cat);
Vect_write_line(&Out, type, Points, Cats);
Vect_get_line_nodes(&In, i, &node, NULL);
process_node(node, cat);
covered[node] = 1;
}
}
if (add_f->answer && !chcat) {
max_cat = 0;
for (i = 1; i <= nlines; i++) {
Vect_read_line(&In, NULL, Cats, i);
for (j = 0; j < Cats->n_cats; j++)
if (Cats->cat[j] > max_cat)
max_cat = Cats->cat[j];
}
max_cat++;
for (i = 1; i <= nnodes; i++)
if (!covered[i]) {
Vect_reset_cats(Cats);
Vect_cat_set(Cats, 1, max_cat);
NetA_add_point_on_node(&In, &Out, i, Cats);
process_node(i, max_cat);
max_cat++;
}
}
db_commit_transaction(driver);
db_close_database_shutdown_driver(driver);
G_free(covered);
if (deg)
G_free(deg);
if (closeness)
G_free(closeness);
if (betw)
G_free(betw);
if (eigen)
G_free(eigen);
Vect_build(&Out);
Vect_close(&In);
Vect_close(&Out);
exit(EXIT_SUCCESS);
}
int area_area(struct Map_info *In, int *field, struct Map_info *Tmp,
struct Map_info *Out, struct field_info *Fi,
dbDriver * driver, int operator, int *ofield,
ATTRIBUTES * attr, struct ilist *BList, double snap)
{
int ret, input, line, nlines, area, nareas;
int in_area, in_centr, out_cat;
struct line_pnts *Points;
struct line_cats *Cats;
CENTR *Centr;
char buf[1000];
dbString stmt;
int nmodif;
int verbose;
verbose = G_verbose();
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
/* optional snap */
if (snap > 0) {
int i, j, snapped_lines = 0;
struct bound_box box;
struct boxlist *boxlist = Vect_new_boxlist(0);
struct ilist *reflist = Vect_new_list();
G_message(_("Snapping boundaries with %g ..."), snap);
/* snap boundaries in B to boundaries in A,
* not modifying boundaries in A */
if (BList->n_values > 1)
qsort(BList->value, BList->n_values, sizeof(int), cmp_int);
snapped_lines = 0;
nlines = BList->n_values;
for (i = 0; i < nlines; i++) {
line = BList->value[i];
Vect_read_line(Tmp, Points, Cats, line);
/* select lines by box */
Vect_get_line_box(Tmp, line, &box);
box.E += snap;
box.W -= snap;
box.N += snap;
box.S -= snap;
box.T = 0.0;
box.B = 0.0;
Vect_select_lines_by_box(Tmp, &box, GV_BOUNDARY, boxlist);
if (boxlist->n_values > 0) {
Vect_reset_list(reflist);
for (j = 0; j < boxlist->n_values; j++) {
int aline = boxlist->id[j];
if (!bsearch(&aline, BList->value, BList->n_values,
sizeof(int), cmp_int)) {
G_ilist_add(reflist, aline);
}
}
/* snap bline to alines */
if (Vect_snap_line(Tmp, reflist, Points, snap, 0, NULL, NULL)) {
/* rewrite bline*/
Vect_delete_line(Tmp, line);
ret = Vect_write_line(Tmp, GV_BOUNDARY, Points, Cats);
G_ilist_add(BList, ret);
snapped_lines++;
G_debug(3, "line %d snapped", line);
}
}
}
Vect_destroy_boxlist(boxlist);
Vect_destroy_list(reflist);
G_verbose_message(n_("%d boundary snapped",
"%d boundaries snapped",
snapped_lines), snapped_lines);
}
/* same procedure like for v.in.ogr:
* Vect_clean_small_angles_at_nodes() can change the geometry so that new intersections
* are created. We must call Vect_break_lines(), Vect_remove_duplicates()
* and Vect_clean_small_angles_at_nodes() until no more small dangles are found */
do {
G_message(_("Breaking lines..."));
Vect_break_lines_list(Tmp, NULL, BList, GV_BOUNDARY, NULL);
/* Probably not necessary for LINE x AREA */
G_message(_("Removing duplicates..."));
Vect_remove_duplicates(Tmp, GV_BOUNDARY, NULL);
G_message(_("Cleaning boundaries at nodes..."));
nmodif =
Vect_clean_small_angles_at_nodes(Tmp, GV_BOUNDARY, NULL);
} while (nmodif > 0);
/* ?: May be result of Vect_break_lines() + Vect_remove_duplicates() any dangle or bridge?
* In that case, calls to Vect_remove_dangles() and Vect_remove_bridges() would be also necessary */
G_set_verbose(0);
/* should be fast, be silent */
Vect_build_partial(Tmp, GV_BUILD_AREAS);
G_set_verbose(verbose);
nlines = Vect_get_num_lines(Tmp);
ret = 0;
for (line = 1; line <= nlines; line++) {
if (!Vect_line_alive(Tmp, line))
continue;
if (Vect_get_line_type(Tmp, line) == GV_BOUNDARY) {
int left, rite;
Vect_get_line_areas(Tmp, line, &left, &rite);
if (left == 0 || rite == 0) {
/* invalid boundary */
ret = 1;
break;
}
}
}
if (ret) {
Vect_remove_dangles(Tmp, GV_BOUNDARY, -1, NULL);
Vect_remove_bridges(Tmp, NULL, NULL, NULL);
}
G_set_verbose(0);
Vect_build_partial(Tmp, GV_BUILD_NONE);
Vect_build_partial(Tmp, GV_BUILD_BASE);
G_set_verbose(verbose);
G_message(_("Merging lines..."));
Vect_merge_lines(Tmp, GV_BOUNDARY, NULL, NULL);
/* Attach islands */
G_message(_("Attaching islands..."));
/* can take some time, show messages */
Vect_build_partial(Tmp, GV_BUILD_ATTACH_ISLES);
/* Calculate new centroids for all areas */
nareas = Vect_get_num_areas(Tmp);
Centr = (CENTR *) G_malloc((nareas + 1) * sizeof(CENTR)); /* index from 1 ! */
for (area = 1; area <= nareas; area++) {
ret =
Vect_get_point_in_area(Tmp, area, &(Centr[area].x),
&(Centr[area].y));
if (ret < 0) {
G_warning(_("Cannot calculate area centroid"));
Centr[area].valid = 0;
}
else {
Centr[area].valid = 1;
}
}
/* Query input maps */
for (input = 0; input < 2; input++) {
G_message(_("Querying vector map <%s>..."),
Vect_get_full_name(&(In[input])));
for (area = 1; area <= nareas; area++) {
Centr[area].cat[input] = Vect_new_cats_struct();
G_percent(area, nareas, 1);
in_area =
Vect_find_area(&(In[input]), Centr[area].x, Centr[area].y);
if (in_area > 0) {
in_centr = Vect_get_area_centroid(&(In[input]), in_area);
if (in_centr > 0) {
int i;
Vect_read_line(&(In[input]), NULL, Cats, in_centr);
/* Add all cats with original field number */
for (i = 0; i < Cats->n_cats; i++) {
if (Cats->field[i] == field[input]) {
ATTR *at;
Vect_cat_set(Centr[area].cat[input], ofield[input + 1],
Cats->cat[i]);
/* Mark as used */
at = find_attr(&(attr[input]), Cats->cat[i]);
if (!at)
G_fatal_error(_("Attribute not found"));
at->used = 1;
}
}
}
}
}
}
G_message(_("Writing centroids..."));
db_init_string(&stmt);
out_cat = 1;
for (area = 1; area <= nareas; area++) {
int i;
G_percent(area, nareas, 1);
/* check the condition */
switch (operator) {
case OP_AND:
if (!
(Centr[area].cat[0]->n_cats > 0 &&
Centr[area].cat[1]->n_cats > 0))
continue;
break;
case OP_OR:
if (!
(Centr[area].cat[0]->n_cats > 0 ||
Centr[area].cat[1]->n_cats > 0))
continue;
break;
case OP_NOT:
if (!
(Centr[area].cat[0]->n_cats > 0 &&
!(Centr[area].cat[1]->n_cats > 0)))
continue;
break;
case OP_XOR:
if ((Centr[area].cat[0]->n_cats > 0 &&
Centr[area].cat[1]->n_cats > 0) ||
(!(Centr[area].cat[0]->n_cats > 0) &&
!(Centr[area].cat[1]->n_cats > 0)))
continue;
break;
}
Vect_reset_line(Points);
Vect_reset_cats(Cats);
Vect_append_point(Points, Centr[area].x, Centr[area].y, 0.0);
if (ofield[0] > 0) {
/* Add new cats for all combinations of input cats (-1 in cycle for null) */
for (i = -1; i < Centr[area].cat[0]->n_cats; i++) {
int j;
if (i == -1 && Centr[area].cat[0]->n_cats > 0)
continue; /* no need to make null */
for (j = -1; j < Centr[area].cat[1]->n_cats; j++) {
if (j == -1 && Centr[area].cat[1]->n_cats > 0)
continue; /* no need to make null */
if (ofield[0] > 0)
Vect_cat_set(Cats, ofield[0], out_cat);
/* attributes */
if (driver) {
ATTR *at;
sprintf(buf, "insert into %s values ( %d", Fi->table,
out_cat);
db_set_string(&stmt, buf);
/* cata */
if (i >= 0) {
if (attr[0].columns) {
at = find_attr(&(attr[0]),
Centr[area].cat[0]->cat[i]);
if (!at)
G_fatal_error(_("Attribute not found"));
if (at->values)
db_append_string(&stmt, at->values);
else
db_append_string(&stmt, attr[0].null_values);
}
else {
sprintf(buf, ", %d", Centr[area].cat[0]->cat[i]);
db_append_string(&stmt, buf);
}
}
else {
if (attr[0].columns) {
db_append_string(&stmt, attr[0].null_values);
}
else {
sprintf(buf, ", null");
db_append_string(&stmt, buf);
}
}
/* catb */
if (j >= 0) {
if (attr[1].columns) {
at = find_attr(&(attr[1]),
Centr[area].cat[1]->cat[j]);
if (!at)
G_fatal_error(_("Attribute not found"));
if (at->values)
db_append_string(&stmt, at->values);
else
db_append_string(&stmt, attr[1].null_values);
}
else {
sprintf(buf, ", %d", Centr[area].cat[1]->cat[j]);
db_append_string(&stmt, buf);
}
}
else {
if (attr[1].columns) {
db_append_string(&stmt, attr[1].null_values);
}
else {
sprintf(buf, ", null");
db_append_string(&stmt, buf);
}
}
db_append_string(&stmt, " )");
G_debug(3, "%s", db_get_string(&stmt));
if (db_execute_immediate(driver, &stmt) != DB_OK)
G_warning(_("Unable to insert new record: '%s'"),
db_get_string(&stmt));
}
out_cat++;
}
}
}
/* Add all cats from input vectors */
if (ofield[1] > 0 && field[0] > 0) {
for (i = 0; i < Centr[area].cat[0]->n_cats; i++) {
if (Centr[area].cat[0]->field[i] == field[0])
Vect_cat_set(Cats, ofield[1], Centr[area].cat[0]->cat[i]);
}
}
if (ofield[2] > 0 && field[1] > 0 && ofield[1] != ofield[2]) {
for (i = 0; i < Centr[area].cat[1]->n_cats; i++) {
if (Centr[area].cat[1]->field[i] == field[1])
Vect_cat_set(Cats, ofield[2], Centr[area].cat[1]->cat[i]);
}
}
Vect_write_line(Tmp, GV_CENTROID, Points, Cats);
Vect_write_line(Out, GV_CENTROID, Points, Cats);
}
G_set_verbose(0);
/* should be fast, be silent */
Vect_build_partial(Tmp, GV_BUILD_CENTROIDS);
G_set_verbose(verbose);
/* Copy valid boundaries to final output */
nlines = Vect_get_num_lines(Tmp);
for (line = 1; line <= nlines; line++) {
int i, ltype, side[2], centr[2];
G_percent(line, nlines, 1); /* must be before any continue */
if (!Vect_line_alive(Tmp, line))
continue;
ltype = Vect_read_line(Tmp, Points, Cats, line);
if (!(ltype & GV_BOUNDARY))
continue;
Vect_get_line_areas(Tmp, line, &side[0], &side[1]);
for (i = 0; i < 2; i++) {
if (side[i] == 0) { /* This should not happen ! */
centr[i] = 0;
continue;
}
if (side[i] > 0) {
area = side[i];
}
else { /* island */
area = Vect_get_isle_area(Tmp, abs(side[i]));
}
if (area > 0)
centr[i] = Vect_get_area_centroid(Tmp, area);
else
centr[i] = 0;
}
if (centr[0] || centr[1])
Vect_write_line(Out, GV_BOUNDARY, Points, Cats);
}
return 0;
}
void write_rgb_values(const struct Map_info *Map, int layer, const char *column_name,
struct Colors *colors)
{
int ctype, nrec, i;
int red, grn, blu;
int *pval;
char buf[1024];
struct field_info *fi;
dbDriver *driver;
dbString stmt;
fi = Vect_get_field(Map, layer);
if (!fi)
G_fatal_error(_("Database connection not defined for layer %d"),
layer);
driver = db_start_driver_open_database(fi->driver, fi->database);
if (!driver)
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
fi->database, fi->driver);
db_set_error_handler_driver(driver);
db_init_string(&stmt);
ctype = db_column_Ctype(driver, fi->table, column_name);
if (ctype == -1) {
sprintf(buf, "ALTER TABLE %s ADD COLUMN %s VARCHAR(11)",
fi->table, column_name);
db_set_string(&stmt, buf);
if (db_execute_immediate(driver, &stmt) != DB_OK)
G_fatal_error(_("Unable to add column <%s> to table <%s>"),
column_name, fi->table);
/*
db_add_column needs to be implemented for DB drivers first...
dbString table;
dbColumn column;
db_init_column(&column);
db_set_column_name(&column, column_name);
db_set_column_sqltype(&column, DB_SQL_TYPE_CHARACTER);
db_set_column_null_allowed(&column);
db_set_column_length(&column, 11);
db_init_string(&table);
db_set_string(&table, fi->table);
if (db_add_column(driver, &table, &column) != DB_OK)
G_fatal_error(_("Unable to add column <%s> to table <%s>"),
column_name, fi->table);
db_free_column(&column);
*/
G_important_message(_("Column <%s> added to table <%s>"),
column_name, fi->table);
}
else if (ctype != DB_C_TYPE_STRING)
G_fatal_error(_("Data type of column <%s> must be char"), column_name);
nrec = db_select_int(driver, fi->table, fi->key, NULL, &pval);
if (nrec < 1) {
G_warning(_("No categories found"));
return;
}
db_begin_transaction(driver);
for (i = 0; i < nrec; i++) {
G_percent(i, nrec, 2);
if (Rast_get_c_color((const CELL *) &(pval[i]), &red, &grn, &blu,
colors) == 0)
G_warning(_("No color value defined for category %d"), pval[i]);
sprintf(buf, "UPDATE %s SET %s='%d:%d:%d' WHERE %s=%d", fi->table,
column_name, red, grn, blu, fi->key, pval[i]);
G_debug(3, "\tSQL: %s", buf);
db_set_string(&stmt, buf);
if (db_execute_immediate(driver, &stmt) != DB_OK)
G_fatal_error(_("Unable to update RGB values"));
}
G_percent(1, 1, 1);
db_commit_transaction(driver);
db_close_database_shutdown_driver(driver);
}
int main(int argc, char *argv[])
{
char *p;
int i, j, k;
int method, half, use_catno;
const char *mapset;
struct GModule *module;
struct Option *point_opt, /* point vector */
*area_opt, /* area vector */
*point_type_opt, /* point type */
*point_field_opt, /* point layer */
*area_field_opt, /* area layer */
*method_opt, /* stats method */
*point_column_opt, /* point column for stats */
*count_column_opt, /* area column for point count */
*stats_column_opt, /* area column for stats result */
*fs_opt; /* field separator for printed output */
struct Flag *print_flag;
char *fs;
struct Map_info PIn, AIn;
int point_type, point_field, area_field;
struct line_pnts *Points;
struct line_cats *ACats, *PCats;
AREA_CAT *Area_cat;
int pline, ptype, count;
int area, nareas, nacats, nacatsalloc;
int ctype, nrec;
struct field_info *PFi, *AFi;
dbString stmt;
dbDriver *Pdriver, *Adriver;
char buf[2000];
int update_ok, update_err;
struct boxlist *List;
struct bound_box box;
dbCatValArray cvarr;
dbColumn *column;
struct pvalcat
{
double dval;
int catno;
} *pvalcats;
int npvalcats, npvalcatsalloc;
stat_func *statsvalue = NULL;
double result;
column = NULL;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("attribute table"));
G_add_keyword(_("database"));
G_add_keyword(_("univariate statistics"));
G_add_keyword(_("zonal statistics"));
module->description = _("Count points in areas, calculate statistics from point attributes.");
point_opt = G_define_standard_option(G_OPT_V_INPUT);
point_opt->key = "points";
point_opt->description = _("Name of existing vector map with points");
/* point_opt->guisection = _("Required"); */
area_opt = G_define_standard_option(G_OPT_V_INPUT);
area_opt->key = "areas";
area_opt->description = _("Name of existing vector map with areas");
/* area_opt->guisection = _("Required"); */
point_type_opt = G_define_standard_option(G_OPT_V_TYPE);
point_type_opt->key = "type";
point_type_opt->options = "point,centroid";
point_type_opt->answer = "point";
point_type_opt->label = _("Feature type");
point_type_opt->required = NO;
point_field_opt = G_define_standard_option(G_OPT_V_FIELD);
point_field_opt->key = "player";
point_field_opt->label = _("Layer number for points map");
area_field_opt = G_define_standard_option(G_OPT_V_FIELD);
area_field_opt->key = "alayer";
area_field_opt->label = _("Layer number for area map");
method_opt = G_define_option();
method_opt->key = "method";
method_opt->type = TYPE_STRING;
method_opt->required = NO;
method_opt->multiple = NO;
p = G_malloc(1024);
for (i = 0; menu[i].name; i++) {
if (i)
strcat(p, ",");
else
*p = 0;
strcat(p, menu[i].name);
}
method_opt->options = p;
method_opt->description = _("Method for aggregate statistics");
point_column_opt = G_define_standard_option(G_OPT_DB_COLUMN);
point_column_opt->key = "pcolumn";
point_column_opt->required = NO;
point_column_opt->multiple = NO;
point_column_opt->label =
_("Column name of points map to use for statistics");
point_column_opt->description = _("Column of points map must be numeric");
count_column_opt = G_define_option();
count_column_opt->key = "ccolumn";
count_column_opt->type = TYPE_STRING;
count_column_opt->required = NO;
count_column_opt->multiple = NO;
count_column_opt->label = _("Column name to upload points count");
count_column_opt->description =
_("Column to hold points count, must be of type integer, will be created if not existing");
stats_column_opt = G_define_option();
stats_column_opt->key = "scolumn";
stats_column_opt->type = TYPE_STRING;
stats_column_opt->required = NO;
stats_column_opt->multiple = NO;
stats_column_opt->label = _("Column name to upload statistics");
stats_column_opt->description =
_("Column to hold statistics, must be of type double, will be created if not existing");
fs_opt = G_define_standard_option(G_OPT_F_SEP);
print_flag = G_define_flag();
print_flag->key = 'p';
print_flag->label =
_("Print output to stdout, do not update attribute table");
print_flag->description = _("First column is always area category");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
point_type = Vect_option_to_types(point_type_opt);
point_field = atoi(point_field_opt->answer);
area_field = atoi(area_field_opt->answer);
if (print_flag->answer)
/* get field separator */
fs = G_option_to_separator(fs_opt);
else
fs = NULL;
/* check for stats */
if (method_opt->answer) {
if (!point_column_opt->answer) {
G_fatal_error("Method but no point column selected");
}
if (!print_flag->answer && !stats_column_opt->answer)
G_fatal_error("Name for stats column is missing");
}
if (point_column_opt->answer) {
if (!method_opt->answer)
G_fatal_error("No method for statistics selected");
if (!print_flag->answer && !stats_column_opt->answer)
G_fatal_error("Name for stats column is missing");
}
/* Open points vector */
if ((mapset = G_find_vector2(point_opt->answer, "")) == NULL)
G_fatal_error(_("Vector map <%s> not found"), point_opt->answer);
Vect_set_open_level(2);
if (Vect_open_old(&PIn, point_opt->answer, mapset) < 0)
G_fatal_error(_("Unable to open vector map <%s>"), point_opt->answer);
/* Open areas vector */
if ((mapset = G_find_vector2(area_opt->answer, "")) == NULL)
G_fatal_error(_("Vector map <%s> not found"), area_opt->answer);
if (!print_flag->answer && strcmp(mapset, G_mapset()) != 0)
G_fatal_error(_("Vector map <%s> is not in user mapset and cannot be updated"),
area_opt->answer);
Vect_set_open_level(2);
if (Vect_open_old(&AIn, area_opt->answer, mapset) < 0)
G_fatal_error(_("Unable to open vector map <%s>"), area_opt->answer);
method = -1;
use_catno = 0;
half = 0;
if (method_opt->answer) {
/* get the method */
for (method = 0; (p = menu[method].name); method++)
if ((strcmp(p, method_opt->answer) == 0))
break;
if (!p) {
G_warning(_("<%s=%s> unknown %s"),
method_opt->key, method_opt->answer,
method_opt->answer);
G_usage();
exit(EXIT_FAILURE);
}
/* establish the statsvalue routine */
statsvalue = menu[method].method;
/* category number of lowest/highest value */
if ((strcmp(menu[method].name, menu[5].name) == 0) ||
(strcmp(menu[method].name, menu[7].name) == 0))
use_catno = 1;
G_debug(1, "method: %s, use cat value: %s", menu[method].name,
(use_catno == 1 ? "yes" : "no"));
}
/* Open database driver */
db_init_string(&stmt);
Adriver = NULL;
if (!print_flag->answer) {
AFi = Vect_get_field(&AIn, area_field);
if (AFi == NULL)
G_fatal_error(_("Database connection not defined for layer %d"),
area_field);
Adriver = db_start_driver_open_database(AFi->driver, AFi->database);
if (Adriver == NULL)
G_fatal_error(_("Unable to open database <%s> with driver <%s>"),
AFi->database, AFi->driver);
if (!count_column_opt->answer)
G_fatal_error(_("ccolumn is required to upload point counts"));
/* check if count column exists */
G_debug(1, "check if count column exists");
db_get_column(Adriver, AFi->table, count_column_opt->answer, &column);
if (column) {
/* check count column type */
if (db_column_Ctype(Adriver, AFi->table, count_column_opt->answer)
!= DB_C_TYPE_INT)
G_fatal_error(_("ccolumn must be of type integer"));
db_free_column(column);
column = NULL;
}
else {
/* create count column */
/* db_add_column() exists but is not implemented,
* see lib/db/stubs/add_col.c */
sprintf(buf, "alter table %s add column %s integer",
AFi->table, count_column_opt->answer);
db_set_string(&stmt, buf);
if (db_execute_immediate(Adriver, &stmt) != DB_OK)
G_fatal_error(_("Unable to add column <%s>"),
count_column_opt->answer);
}
if (method_opt->answer) {
if (!stats_column_opt->answer)
G_fatal_error(_("scolumn is required to upload point stats"));
/* check if stats column exists */
G_debug(1, "check if stats column exists");
db_get_column(Adriver, AFi->table, stats_column_opt->answer,
&column);
if (column) {
/* check stats column type */
if (db_column_Ctype
(Adriver, AFi->table,
stats_column_opt->answer) != DB_C_TYPE_DOUBLE)
G_fatal_error(_("scolumn must be of type double"));
db_free_column(column);
column = NULL;
}
else {
/* create stats column */
/* db_add_column() exists but is not implemented,
* see lib/db/stubs/add_col.c */
sprintf(buf, "alter table %s add column %s double",
AFi->table, stats_column_opt->answer);
db_set_string(&stmt, buf);
if (db_execute_immediate(Adriver, &stmt) != DB_OK)
G_fatal_error(_("Unable to add column <%s>"),
stats_column_opt->answer);
}
}
}
else
AFi = NULL;
Pdriver = NULL;
if (method_opt->answer) {
G_verbose_message(_("collecting attributes from points vector..."));
PFi = Vect_get_field(&PIn, point_field);
if (PFi == NULL)
G_fatal_error(_("Database connection not defined for layer %d"),
point_field);
Pdriver = db_start_driver_open_database(PFi->driver, PFi->database);
if (Pdriver == NULL)
G_fatal_error(_("Unable to open database <%s> with driver <%s>"),
PFi->database, PFi->driver);
/* check if point column exists */
db_get_column(Pdriver, PFi->table, point_column_opt->answer, &column);
if (column) {
db_free_column(column);
column = NULL;
}
else {
G_fatal_error(_("Column <%s> not found in table <%s>"),
point_column_opt->answer, PFi->table);
}
/* Check column type */
ctype =
db_column_Ctype(Pdriver, PFi->table, point_column_opt->answer);
if (ctype == DB_C_TYPE_INT)
half = menu[method].half;
else if (ctype == DB_C_TYPE_DOUBLE)
half = 0;
else
G_fatal_error(_("column for points vector must be numeric"));
db_CatValArray_init(&cvarr);
nrec = db_select_CatValArray(Pdriver, PFi->table, PFi->key,
point_column_opt->answer, NULL, &cvarr);
G_debug(1, "selected values = %d", nrec);
db_close_database_shutdown_driver(Pdriver);
}
Points = Vect_new_line_struct();
ACats = Vect_new_cats_struct();
PCats = Vect_new_cats_struct();
List = Vect_new_boxlist(0);
/* Allocate space ( may be more than needed (duplicate cats and elements without cats) ) */
if ((nareas = Vect_get_num_areas(&AIn)) <= 0)
G_fatal_error("No areas in area input vector");
nacatsalloc = nareas;
Area_cat = (AREA_CAT *) G_calloc(nacatsalloc, sizeof(AREA_CAT));
/* Read all cats from 'area' */
nacats = 0;
for (area = 1; area <= nareas; area++) {
Vect_get_area_cats(&AIn, area, ACats);
if (ACats->n_cats <= 0)
continue;
for (i = 0; i < ACats->n_cats; i++) {
if (ACats->field[i] == area_field) {
Area_cat[nacats].area_cat = ACats->cat[i];
Area_cat[nacats].count = 0;
Area_cat[nacats].nvalues = 0;
Area_cat[nacats].nalloc = 0;
nacats++;
if (nacats >= nacatsalloc) {
nacatsalloc += 100;
Area_cat =
(AREA_CAT *) G_realloc(Area_cat,
nacatsalloc *
sizeof(AREA_CAT));
}
}
}
}
G_debug(1, "%d cats loaded from vector (including duplicates)", nacats);
/* Sort by category */
qsort((void *)Area_cat, nacats, sizeof(AREA_CAT), cmp_area);
/* remove duplicate categories */
for (i = 1; i < nacats; i++) {
if (Area_cat[i].area_cat == Area_cat[i - 1].area_cat) {
for (j = i; j < nacats - 1; j++) {
Area_cat[j].area_cat = Area_cat[j + 1].area_cat;
}
nacats--;
}
}
G_debug(1, "%d cats loaded from vector (unique)", nacats);
/* Go through all areas in area vector and find points in points vector
* falling into the area */
npvalcatsalloc = 10;
npvalcats = 0;
pvalcats =
(struct pvalcat *)G_calloc(npvalcatsalloc, sizeof(struct pvalcat));
G_message(_("Selecting points for each area..."));
count = 0;
for (area = 1; area <= nareas; area++) {
dbCatVal *catval;
G_debug(3, "area = %d", area);
G_percent(area, nareas, 2);
Vect_get_area_cats(&AIn, area, ACats);
if (ACats->n_cats <= 0)
continue;
/* select points by box */
Vect_get_area_box(&AIn, area, &box);
box.T = PORT_DOUBLE_MAX;
box.B = -PORT_DOUBLE_MAX;
Vect_select_lines_by_box(&PIn, &box, point_type, List);
G_debug(4, "%d points selected by box", List->n_values);
/* For each point in box check if it is in the area */
for (i = 0; i < List->n_values; i++) {
pline = List->id[i];
G_debug(4, "%d: point %d", i, pline);
ptype = Vect_read_line(&PIn, Points, PCats, pline);
if (!(ptype & point_type))
continue;
/* point in area */
if (Vect_point_in_area(Points->x[0], Points->y[0], &AIn, area, &box)) {
AREA_CAT *area_info, search_ai;
int tmp_cat;
/* stats on point column */
if (method_opt->answer) {
npvalcats = 0;
tmp_cat = -1;
for (j = 0; j < PCats->n_cats; j++) {
if (PCats->field[j] == point_field) {
if (tmp_cat >= 0)
G_debug(3,
"More cats found in point layer (point=%d)",
pline);
tmp_cat = PCats->cat[j];
/* find cat in array */
db_CatValArray_get_value(&cvarr, tmp_cat,
&catval);
if (catval) {
pvalcats[npvalcats].catno = tmp_cat;
switch (cvarr.ctype) {
case DB_C_TYPE_INT:
pvalcats[npvalcats].dval = catval->val.i;
npvalcats++;
break;
case DB_C_TYPE_DOUBLE:
pvalcats[npvalcats].dval = catval->val.d;
npvalcats++;
break;
}
if (npvalcats >= npvalcatsalloc) {
npvalcatsalloc += 10;
pvalcats =
(struct pvalcat *)G_realloc(pvalcats,
npvalcatsalloc
*
sizeof
(struct
pvalcat));
}
}
}
}
}
/* update count for all area cats of given field */
search_ai.area_cat = -1;
for (j = 0; j < ACats->n_cats; j++) {
if (ACats->field[j] == area_field) {
if (search_ai.area_cat >= 0)
G_debug(3,
"More cats found in area layer (area=%d)",
area);
search_ai.area_cat = ACats->cat[j];
/* find cat in array */
area_info =
(AREA_CAT *) bsearch((void *)&search_ai, Area_cat,
nacats, sizeof(AREA_CAT),
cmp_area);
if (area_info->area_cat != search_ai.area_cat)
G_fatal_error(_("could not find area category %d"),
search_ai.area_cat);
/* each point is counted once, also if it has
* more than one category or no category
* OK? */
area_info->count++;
if (method_opt->answer) {
/* ensure enough space */
if (area_info->nvalues + npvalcats >=
area_info->nalloc) {
if (area_info->nalloc == 0) {
area_info->nalloc = npvalcats + 10;
area_info->values =
(double *)G_calloc(area_info->nalloc,
sizeof(double));
area_info->cats =
(int *)G_calloc(area_info->nalloc,
sizeof(int));
}
else
area_info->nalloc +=
area_info->nvalues + npvalcats + 10;
area_info->values =
(double *)G_realloc(area_info->values,
area_info->nalloc *
sizeof(double));
area_info->cats =
(int *)G_realloc(area_info->cats,
area_info->nalloc *
sizeof(int));
}
for (k = 0; k < npvalcats; k++) {
area_info->cats[area_info->nvalues] =
pvalcats[k].catno;
area_info->values[area_info->nvalues] =
pvalcats[k].dval;
area_info->nvalues++;
}
}
}
}
count++;
}
} /* next point in box */
} /* next area */
G_debug(1, "count = %d", count);
/* release catval array */
if (method_opt->answer)
db_CatValArray_free(&cvarr);
Vect_close(&PIn);
/* Update table or print to stdout */
if (print_flag->answer) { /* print header */
fprintf(stdout, "area_cat%scount", fs);
if (method_opt->answer)
fprintf(stdout, "%s%s", fs, menu[method].name);
fprintf(stdout, "\n");
}
else {
G_message("Updating attributes for area vector...");
update_err = update_ok = 0;
}
if (Adriver)
db_begin_transaction(Adriver);
for (i = 0; i < nacats; i++) {
if (!print_flag->answer)
G_percent(i, nacats, 2);
result = 0;
if (Area_cat[i].count > 0 && method_opt->answer) {
/* get stats */
statsvalue(&result, Area_cat[i].values, Area_cat[i].nvalues,
NULL);
if (half)
result += 0.5;
else if (use_catno)
result = Area_cat[i].cats[(int)result];
}
if (print_flag->answer) {
fprintf(stdout, "%d%s%d", Area_cat[i].area_cat, fs,
Area_cat[i].count);
if (method_opt->answer) {
if (Area_cat[i].count > 0)
fprintf(stdout, "%s%.15g", fs, result);
else
fprintf(stdout, "%snull", fs);
}
fprintf(stdout, "\n");
}
else {
sprintf(buf, "update %s set %s = %d", AFi->table,
count_column_opt->answer, Area_cat[i].count);
db_set_string(&stmt, buf);
if (method_opt->answer) {
if (Area_cat[i].count > 0)
sprintf(buf, " , %s = %.15g", stats_column_opt->answer,
result);
else
sprintf(buf, " , %s = null", stats_column_opt->answer);
db_append_string(&stmt, buf);
}
sprintf(buf, " where %s = %d", AFi->key, Area_cat[i].area_cat);
db_append_string(&stmt, buf);
G_debug(2, "SQL: %s", db_get_string(&stmt));
if (db_execute_immediate(Adriver, &stmt) == DB_OK) {
update_ok++;
}
else {
update_err++;
}
}
}
if (Adriver)
db_commit_transaction(Adriver);
if (!print_flag->answer) {
G_percent(nacats, nacats, 2);
db_close_database_shutdown_driver(Adriver);
db_free_string(&stmt);
G_message(_("%d records updated"), update_ok);
if (update_err > 0)
G_message(_("%d update errors"), update_err);
Vect_set_db_updated(&AIn);
}
Vect_close(&AIn);
G_done_msg(" ");
exit(EXIT_SUCCESS);
}
int update(struct Map_info *Map)
{
int i, *catexst, *cex, upd, fcat;
char buf1[2000], buf2[2000], left[20], right[20];
struct field_info *qFi, *Fi;
dbString stmt;
dbDriver *driver;
vstat.dupl = 0;
vstat.exist = 0;
vstat.notexist = 0;
vstat.update = 0;
vstat.error = 0;
db_init_string(&stmt);
/* layer to find table to read from */
qFi = Vect_get_field(Map, options.qfield);
if (options.option == O_QUERY && qFi == NULL)
G_fatal_error(_("Database connection not defined for layer %d. Use v.db.connect first."),
options.qfield);
/* layer to find table to write to */
if ((Fi = Vect_get_field(Map, options.field)) == NULL)
G_fatal_error(_("Database connection not defined for layer %d. Use v.db.connect first."),
options.field);
if (qFi) {
G_debug(3, "Reading from map <%s>, query layer %d (table <%s>): updating table <%s>, column <%s>",
options.name, options.qfield, qFi->table, Fi->table, Fi->key);
}
else {
G_debug(3, "Reading from map <%s>, updating table <%s>, column <%s>",
options.name, Fi->table, Fi->key);
}
/* Open driver */
driver = db_start_driver_open_database(Fi->driver, Fi->database);
if (driver == NULL) {
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Fi->database, Fi->driver);
}
db_set_error_handler_driver(driver);
db_begin_transaction(driver);
/* select existing categories (layer) to array (array is sorted) */
vstat.select = db_select_int(driver, Fi->table, Fi->key, NULL, &catexst);
G_debug(3, "Existing categories: %d", vstat.select);
/* create beginning of stmt */
switch (options.option) {
case O_CAT:
sprintf(buf1, "insert into %s ( %s ) values ", Fi->table, Fi->key);
break;
case O_COUNT:
case O_LENGTH:
case O_AREA:
case O_QUERY:
case O_COMPACT:
case O_FD:
case O_PERIMETER:
case O_SLOPE:
case O_SINUOUS:
case O_AZIMUTH:
sprintf(buf1, "update %s set %s =", Fi->table, options.col[0]);
break;
case O_COOR:
case O_START:
case O_END:
case O_SIDES:
sprintf(buf1, "update %s set ", Fi->table);
break;
}
/* update */
G_message(_("Updating database..."));
for (i = 0; i < vstat.rcat; i++) {
G_percent(i, vstat.rcat, 2);
fcat = Values[i].cat;
if (fcat < 0)
continue;
switch (options.option) {
case O_CAT:
sprintf(buf2, "%s ( %d )", buf1, Values[i].cat);
break;
case O_COUNT:
sprintf(buf2, "%s %d where %s = %d", buf1, Values[i].count1,
Fi->key, Values[i].cat);
break;
case O_LENGTH:
case O_AREA:
case O_COMPACT:
case O_FD:
case O_PERIMETER:
case O_SLOPE:
case O_SINUOUS:
case O_AZIMUTH:
sprintf(buf2, "%s %f where %s = %d", buf1, Values[i].d1, Fi->key,
Values[i].cat);
break;
case O_COOR:
case O_START:
case O_END:
if (Values[i].count1 > 1) {
G_warning(_("More elements of category %d, nothing loaded to database"),
Values[i].cat);
vstat.dupl++;
continue;
}
if (Values[i].count1 < 1) { /* No points */
continue;
}
if (options.col[2]) {
sprintf(buf2,
"%s %s = %.15g, %s = %.15g, %s = %.15g where %s = %d",
buf1, options.col[0], Values[i].d1, options.col[1],
Values[i].d2, options.col[2], Values[i].d3, Fi->key,
Values[i].cat);
}
else {
sprintf(buf2, "%s %s = %.15g, %s = %.15g where %s = %d",
buf1, options.col[0], Values[i].d1, options.col[1],
Values[i].d2, Fi->key, Values[i].cat);
}
break;
case O_SIDES:
if (Values[i].count1 == 1) {
if (Values[i].i1 >= 0)
sprintf(left, "%d", Values[i].i1);
else
sprintf(left, "-1"); /* NULL, no area/cat */
}
else if (Values[i].count1 > 1) {
sprintf(left, "null");
}
else { /* Values[i].count1 == 0 */
/* It can be OK if the category is assigned to an element
type which is not GV_BOUNDARY */
/* -> TODO: print only if there is boundary with that cat */
sprintf(left, "null");
}
if (Values[i].count2 == 1) {
if (Values[i].i2 >= 0)
sprintf(right, "%d", Values[i].i2);
else
sprintf(right, "-1"); /* NULL, no area/cat */
}
else if (Values[i].count2 > 1) {
sprintf(right, "null");
}
else { /* Values[i].count1 == 0 */
sprintf(right, "null");
}
sprintf(buf2, "%s %s = %s, %s = %s where %s = %d", buf1,
options.col[0], left, options.col[1], right, Fi->key,
Values[i].cat);
break;
case O_QUERY:
if (Values[i].null) {
sprintf(buf2, "%s null where %s = %d", buf1, Fi->key,
Values[i].cat);
}
else {
switch (vstat.qtype) {
case (DB_C_TYPE_INT):
sprintf(buf2, "%s %d where %s = %d", buf1, Values[i].i1,
Fi->key, Values[i].cat);
break;
case (DB_C_TYPE_DOUBLE):
sprintf(buf2, "%s %f where %s = %d", buf1, Values[i].d1,
Fi->key, Values[i].cat);
break;
case (DB_C_TYPE_STRING):
sprintf(buf2, "%s '%s' where %s = %d", buf1,
Values[i].str1, Fi->key, Values[i].cat);
break;
case (DB_C_TYPE_DATETIME):
sprintf(buf2, "%s '%s' where %s = %d", buf1,
Values[i].str1, Fi->key, Values[i].cat);
break;
}
}
}
G_debug(3, "SQL: %s", buf2);
db_set_string(&stmt, buf2);
/* category exist in DB table ? */
cex = (int *)bsearch((void *)&fcat, catexst, vstat.select, sizeof(int),
srch);
if (options.option == O_CAT) {
if (cex == NULL) { /* cat does not exist in DB */
upd = 1;
vstat.notexist++;
}
else { /* cat exists in DB */
G_warning(_("Record (cat %d) already exists (not inserted)"),
fcat);
upd = 0;
vstat.exist++;
}
}
else {
if (cex == NULL) { /* cat does not exist in DB */
G_warning(_("Record (cat %d) does not exist (not updated)"),
fcat);
upd = 0;
vstat.notexist++;
}
else { /* cat exists in DB */
upd = 1;
vstat.exist++;
}
}
if (upd == 1) {
if (options.sql) {
fprintf(stdout, "%s\n", db_get_string(&stmt));
}
else {
if (db_execute_immediate(driver, &stmt) == DB_OK) {
vstat.update++;
}
else {
vstat.error++;
}
}
}
}
G_percent(1, 1, 1);
db_commit_transaction(driver);
G_free(catexst);
db_close_database_shutdown_driver(driver);
db_free_string(&stmt);
return 0;
}
int main(int argc, char *argv[])
{
struct GModule *module;
struct _param {
struct Option *dsn, *out, *layer, *spat, *where,
*min_area;
struct Option *snap, *type, *outloc, *cnames;
} param;
struct _flag {
struct Flag *list, *tlist, *no_clean, *z, *notab,
*region;
struct Flag *over, *extend, *formats, *tolower, *no_import;
} flag;
int i, j, layer, arg_s_num, nogeom, ncnames;
float xmin, ymin, xmax, ymax;
int ncols = 0, type;
double min_area, snap;
char buf[2000], namebuf[2000], tempvect[GNAME_MAX];
char *separator;
struct Key_Value *loc_proj_info, *loc_proj_units;
struct Key_Value *proj_info, *proj_units;
struct Cell_head cellhd, loc_wind, cur_wind;
char error_msg[8192];
/* Vector */
struct Map_info Map, Tmp, *Out;
int cat;
/* Attributes */
struct field_info *Fi;
dbDriver *driver;
dbString sql, strval;
int dim, with_z;
/* OGR */
OGRDataSourceH Ogr_ds;
OGRLayerH Ogr_layer;
OGRFieldDefnH Ogr_field;
char *Ogr_fieldname;
OGRFieldType Ogr_ftype;
OGRFeatureH Ogr_feature;
OGRFeatureDefnH Ogr_featuredefn;
OGRGeometryH Ogr_geometry, Ogr_oRing, poSpatialFilter;
OGRSpatialReferenceH Ogr_projection;
OGREnvelope oExt;
OGRwkbGeometryType Ogr_geom_type;
int OFTIntegerListlength;
char *output;
char **layer_names; /* names of layers to be imported */
int *layers; /* layer indexes */
int nlayers; /* number of layers to import */
char **available_layer_names; /* names of layers to be imported */
int navailable_layers;
int layer_id;
unsigned int n_features, feature_count;
int overwrite;
double area_size;
int use_tmp_vect;
xmin = ymin = xmax = ymax = 0.0;
loc_proj_info = loc_proj_units = NULL;
Ogr_ds = Ogr_oRing = poSpatialFilter = NULL;
OFTIntegerListlength = 40; /* hack due to limitation in OGR */
area_size = 0.0;
use_tmp_vect = FALSE;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("import"));
module->description = _("Converts vector data into a GRASS vector map using OGR library.");
param.dsn = G_define_option();
param.dsn->key = "dsn";
param.dsn->type = TYPE_STRING;
param.dsn->required =YES;
param.dsn->label = _("OGR datasource name");
param.dsn->description = _("Examples:\n"
"\t\tESRI Shapefile: directory containing shapefiles\n"
"\t\tMapInfo File: directory containing mapinfo files");
param.layer = G_define_option();
param.layer->key = "layer";
param.layer->type = TYPE_STRING;
param.layer->required = NO;
param.layer->multiple = YES;
param.layer->label =
_("OGR layer name. If not given, all available layers are imported");
param.layer->description =
_("Examples:\n" "\t\tESRI Shapefile: shapefile name\n"
"\t\tMapInfo File: mapinfo file name");
param.layer->guisection = _("Selection");
param.out = G_define_standard_option(G_OPT_V_OUTPUT);
param.out->required = NO;
param.out->guisection = _("Output");
param.spat = G_define_option();
param.spat->key = "spatial";
param.spat->type = TYPE_DOUBLE;
param.spat->multiple = YES;
param.spat->required = NO;
param.spat->key_desc = "xmin,ymin,xmax,ymax";
param.spat->label = _("Import subregion only");
param.spat->guisection = _("Selection");
param.spat->description =
_("Format: xmin,ymin,xmax,ymax - usually W,S,E,N");
param.where = G_define_standard_option(G_OPT_DB_WHERE);
param.where->guisection = _("Selection");
param.min_area = G_define_option();
param.min_area->key = "min_area";
param.min_area->type = TYPE_DOUBLE;
param.min_area->required = NO;
param.min_area->answer = "0.0001";
param.min_area->label =
_("Minimum size of area to be imported (square units)");
param.min_area->guisection = _("Selection");
param.min_area->description = _("Smaller areas and "
"islands are ignored. Should be greater than snap^2");
param.type = G_define_standard_option(G_OPT_V_TYPE);
param.type->options = "point,line,boundary,centroid";
param.type->answer = "";
param.type->description = _("Optionally change default input type");
param.type->descriptions =
_("point;import area centroids as points;"
"line;import area boundaries as lines;"
"boundary;import lines as area boundaries;"
"centroid;import points as centroids");
param.type->guisection = _("Selection");
param.snap = G_define_option();
param.snap->key = "snap";
param.snap->type = TYPE_DOUBLE;
param.snap->required = NO;
param.snap->answer = "-1";
param.snap->label = _("Snapping threshold for boundaries");
param.snap->description = _("'-1' for no snap");
param.outloc = G_define_option();
param.outloc->key = "location";
param.outloc->type = TYPE_STRING;
param.outloc->required = NO;
param.outloc->description = _("Name for new location to create");
param.outloc->key_desc = "name";
param.cnames = G_define_option();
param.cnames->key = "cnames";
param.cnames->type = TYPE_STRING;
param.cnames->required = NO;
param.cnames->multiple = YES;
param.cnames->description =
_("List of column names to be used instead of original names, "
"first is used for category column");
param.cnames->guisection = _("Attributes");
flag.list = G_define_flag();
flag.list->key = 'l';
flag.list->description = _("List available OGR layers in data source and exit");
flag.list->suppress_required = YES;
flag.list->guisection = _("Print");
flag.tlist = G_define_flag();
flag.tlist->key = 'a';
flag.tlist->description = _("List available OGR layers including feature types "
"in data source and exit");
flag.tlist->suppress_required = YES;
flag.tlist->guisection = _("Print");
flag.formats = G_define_flag();
flag.formats->key = 'f';
flag.formats->description = _("List supported formats and exit");
flag.formats->suppress_required = YES;
flag.formats->guisection = _("Print");
/* if using -c, you lose topological information ! */
flag.no_clean = G_define_flag();
flag.no_clean->key = 'c';
flag.no_clean->description = _("Do not clean polygons (not recommended)");
flag.no_clean->guisection = _("Output");
flag.z = G_define_flag();
flag.z->key = 'z';
flag.z->description = _("Create 3D output");
flag.z->guisection = _("Output");
flag.notab = G_define_flag();
flag.notab->key = 't';
flag.notab->description = _("Do not create attribute table");
flag.notab->guisection = _("Attributes");
flag.over = G_define_flag();
flag.over->key = 'o';
flag.over->description =
_("Override dataset projection (use location's projection)");
flag.region = G_define_flag();
flag.region->key = 'r';
flag.region->guisection = _("Selection");
flag.region->description = _("Limit import to the current region");
flag.extend = G_define_flag();
flag.extend->key = 'e';
flag.extend->description =
_("Extend location extents based on new dataset");
flag.tolower = G_define_flag();
flag.tolower->key = 'w';
flag.tolower->description =
_("Change column names to lowercase characters");
flag.tolower->guisection = _("Attributes");
flag.no_import = G_define_flag();
flag.no_import->key = 'i';
flag.no_import->description =
_("Create the location specified by the \"location\" parameter and exit."
" Do not import the vector data.");
/* The parser checks if the map already exists in current mapset, this is
* wrong if location options is used, so we switch out the check and do it
* in the module after the parser */
overwrite = G_check_overwrite(argc, argv);
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_begin_polygon_area_calculations(); /* Used in geom() */
OGRRegisterAll();
/* list supported formats */
if (flag.formats->answer) {
int iDriver;
G_message(_("Available OGR Drivers:"));
for (iDriver = 0; iDriver < OGRGetDriverCount(); iDriver++) {
OGRSFDriverH poDriver = OGRGetDriver(iDriver);
const char *pszRWFlag;
if (OGR_Dr_TestCapability(poDriver, ODrCCreateDataSource))
pszRWFlag = "rw";
else
pszRWFlag = "ro";
fprintf(stdout, " %s (%s): %s\n",
OGR_Dr_GetName(poDriver),
pszRWFlag, OGR_Dr_GetName(poDriver));
}
exit(EXIT_SUCCESS);
}
if (param.dsn->answer == NULL) {
G_fatal_error(_("Required parameter <%s> not set"), param.dsn->key);
}
min_area = atof(param.min_area->answer);
snap = atof(param.snap->answer);
type = Vect_option_to_types(param.type);
ncnames = 0;
if (param.cnames->answers) {
i = 0;
while (param.cnames->answers[i++]) {
ncnames++;
}
}
/* Open OGR DSN */
Ogr_ds = NULL;
if (strlen(param.dsn->answer) > 0)
Ogr_ds = OGROpen(param.dsn->answer, FALSE, NULL);
if (Ogr_ds == NULL)
G_fatal_error(_("Unable to open data source <%s>"), param.dsn->answer);
/* Make a list of available layers */
navailable_layers = OGR_DS_GetLayerCount(Ogr_ds);
available_layer_names =
(char **)G_malloc(navailable_layers * sizeof(char *));
if (flag.list->answer || flag.tlist->answer)
G_message(_("Data source <%s> (format '%s') contains %d layers:"),
param.dsn->answer,
OGR_Dr_GetName(OGR_DS_GetDriver(Ogr_ds)), navailable_layers);
for (i = 0; i < navailable_layers; i++) {
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, i);
Ogr_featuredefn = OGR_L_GetLayerDefn(Ogr_layer);
Ogr_geom_type = OGR_FD_GetGeomType(Ogr_featuredefn);
available_layer_names[i] =
G_store((char *)OGR_FD_GetName(Ogr_featuredefn));
if (flag.tlist->answer)
fprintf(stdout, "%s (%s)\n", available_layer_names[i],
OGRGeometryTypeToName(Ogr_geom_type));
else if (flag.list->answer)
fprintf(stdout, "%s\n", available_layer_names[i]);
}
if (flag.list->answer || flag.tlist->answer) {
fflush(stdout);
exit(EXIT_SUCCESS);
}
/* Make a list of layers to be imported */
if (param.layer->answer) { /* From option */
nlayers = 0;
while (param.layer->answers[nlayers])
nlayers++;
layer_names = (char **)G_malloc(nlayers * sizeof(char *));
layers = (int *)G_malloc(nlayers * sizeof(int));
for (i = 0; i < nlayers; i++) {
layer_names[i] = G_store(param.layer->answers[i]);
/* Find it in the source */
layers[i] = -1;
for (j = 0; j < navailable_layers; j++) {
if (strcmp(available_layer_names[j], layer_names[i]) == 0) {
layers[i] = j;
break;
}
}
if (layers[i] == -1)
G_fatal_error(_("Layer <%s> not available"), layer_names[i]);
}
}
else { /* use list of all layers */
nlayers = navailable_layers;
layer_names = available_layer_names;
layers = (int *)G_malloc(nlayers * sizeof(int));
for (i = 0; i < nlayers; i++)
layers[i] = i;
}
if (param.out->answer) {
output = G_store(param.out->answer);
}
else {
if (nlayers < 1)
G_fatal_error(_("No OGR layers available"));
output = G_store(layer_names[0]);
G_message(_("All available OGR layers will be imported into vector map <%s>"), output);
}
if (!param.outloc->answer) { /* Check if the map exists */
if (G_find_vector2(output, G_mapset()) && !overwrite)
G_fatal_error(_("Vector map <%s> already exists"),
output);
}
/* Get first imported layer to use for extents and projection check */
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, layers[0]);
if (flag.region->answer) {
if (param.spat->answer)
G_fatal_error(_("Select either the current region flag or the spatial option, not both"));
G_get_window(&cur_wind);
xmin = cur_wind.west;
xmax = cur_wind.east;
ymin = cur_wind.south;
ymax = cur_wind.north;
}
if (param.spat->answer) {
/* See as reference: gdal/ogr/ogr_capi_test.c */
/* cut out a piece of the map */
/* order: xmin,ymin,xmax,ymax */
arg_s_num = 0;
i = 0;
while (param.spat->answers[i]) {
if (i == 0)
xmin = atof(param.spat->answers[i]);
if (i == 1)
ymin = atof(param.spat->answers[i]);
if (i == 2)
xmax = atof(param.spat->answers[i]);
if (i == 3)
ymax = atof(param.spat->answers[i]);
arg_s_num++;
i++;
}
if (arg_s_num != 4)
G_fatal_error(_("4 parameters required for 'spatial' parameter"));
}
if (param.spat->answer || flag.region->answer) {
G_debug(2, "cut out with boundaries: xmin:%f ymin:%f xmax:%f ymax:%f",
xmin, ymin, xmax, ymax);
/* in theory this could be an irregular polygon */
poSpatialFilter = OGR_G_CreateGeometry(wkbPolygon);
Ogr_oRing = OGR_G_CreateGeometry(wkbLinearRing);
OGR_G_AddPoint(Ogr_oRing, xmin, ymin, 0.0);
OGR_G_AddPoint(Ogr_oRing, xmin, ymax, 0.0);
OGR_G_AddPoint(Ogr_oRing, xmax, ymax, 0.0);
OGR_G_AddPoint(Ogr_oRing, xmax, ymin, 0.0);
OGR_G_AddPoint(Ogr_oRing, xmin, ymin, 0.0);
OGR_G_AddGeometryDirectly(poSpatialFilter, Ogr_oRing);
OGR_L_SetSpatialFilter(Ogr_layer, poSpatialFilter);
}
if (param.where->answer) {
/* select by attribute */
OGR_L_SetAttributeFilter(Ogr_layer, param.where->answer);
}
/* fetch boundaries */
if ((OGR_L_GetExtent(Ogr_layer, &oExt, 1)) == OGRERR_NONE) {
G_get_window(&cellhd);
cellhd.north = oExt.MaxY;
cellhd.south = oExt.MinY;
cellhd.west = oExt.MinX;
cellhd.east = oExt.MaxX;
cellhd.rows = 20; /* TODO - calculate useful values */
cellhd.cols = 20;
cellhd.ns_res = (cellhd.north - cellhd.south) / cellhd.rows;
cellhd.ew_res = (cellhd.east - cellhd.west) / cellhd.cols;
}
else {
cellhd.north = 1.;
cellhd.south = 0.;
cellhd.west = 0.;
cellhd.east = 1.;
cellhd.top = 1.;
cellhd.bottom = 1.;
cellhd.rows = 1;
cellhd.rows3 = 1;
cellhd.cols = 1;
cellhd.cols3 = 1;
cellhd.depths = 1;
cellhd.ns_res = 1.;
cellhd.ns_res3 = 1.;
cellhd.ew_res = 1.;
cellhd.ew_res3 = 1.;
cellhd.tb_res = 1.;
}
/* suppress boundary splitting ? */
if (flag.no_clean->answer) {
split_distance = -1.;
}
else {
split_distance = 0.;
area_size =
sqrt((cellhd.east - cellhd.west) * (cellhd.north - cellhd.south));
}
/* Fetch input map projection in GRASS form. */
proj_info = NULL;
proj_units = NULL;
Ogr_projection = OGR_L_GetSpatialRef(Ogr_layer); /* should not be freed later */
/* Do we need to create a new location? */
if (param.outloc->answer != NULL) {
/* Convert projection information non-interactively as we can't
* assume the user has a terminal open */
if (GPJ_osr_to_grass(&cellhd, &proj_info,
&proj_units, Ogr_projection, 0) < 0) {
G_fatal_error(_("Unable to convert input map projection to GRASS "
"format; cannot create new location."));
}
else {
G_make_location(param.outloc->answer, &cellhd,
proj_info, proj_units, NULL);
G_message(_("Location <%s> created"), param.outloc->answer);
}
/* If the i flag is set, clean up? and exit here */
if(flag.no_import->answer)
{
exit(EXIT_SUCCESS);
}
}
else {
int err = 0;
/* Projection only required for checking so convert non-interactively */
if (GPJ_osr_to_grass(&cellhd, &proj_info,
&proj_units, Ogr_projection, 0) < 0)
G_warning(_("Unable to convert input map projection information to "
"GRASS format for checking"));
/* Does the projection of the current location match the dataset? */
/* G_get_window seems to be unreliable if the location has been changed */
G__get_window(&loc_wind, "", "DEFAULT_WIND", "PERMANENT");
/* fetch LOCATION PROJ info */
if (loc_wind.proj != PROJECTION_XY) {
loc_proj_info = G_get_projinfo();
loc_proj_units = G_get_projunits();
}
if (flag.over->answer) {
cellhd.proj = loc_wind.proj;
cellhd.zone = loc_wind.zone;
G_message(_("Over-riding projection check"));
}
else if (loc_wind.proj != cellhd.proj
|| (err =
G_compare_projections(loc_proj_info, loc_proj_units,
proj_info, proj_units)) != TRUE) {
int i_value;
strcpy(error_msg,
_("Projection of dataset does not"
" appear to match current location.\n\n"));
/* TODO: output this info sorted by key: */
if (loc_wind.proj != cellhd.proj || err != -2) {
if (loc_proj_info != NULL) {
strcat(error_msg, _("GRASS LOCATION PROJ_INFO is:\n"));
for (i_value = 0; i_value < loc_proj_info->nitems;
i_value++)
sprintf(error_msg + strlen(error_msg), "%s: %s\n",
loc_proj_info->key[i_value],
loc_proj_info->value[i_value]);
strcat(error_msg, "\n");
}
if (proj_info != NULL) {
strcat(error_msg, _("Import dataset PROJ_INFO is:\n"));
for (i_value = 0; i_value < proj_info->nitems; i_value++)
sprintf(error_msg + strlen(error_msg), "%s: %s\n",
proj_info->key[i_value],
proj_info->value[i_value]);
}
else {
strcat(error_msg, _("Import dataset PROJ_INFO is:\n"));
if (cellhd.proj == PROJECTION_XY)
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (unreferenced/unknown)\n",
cellhd.proj);
else if (cellhd.proj == PROJECTION_LL)
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (lat/long)\n",
cellhd.proj);
else if (cellhd.proj == PROJECTION_UTM)
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (UTM), zone = %d\n",
cellhd.proj, cellhd.zone);
else if (cellhd.proj == PROJECTION_SP)
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (State Plane), zone = %d\n",
cellhd.proj, cellhd.zone);
else
sprintf(error_msg + strlen(error_msg),
"Dataset proj = %d (unknown), zone = %d\n",
cellhd.proj, cellhd.zone);
}
}
else {
if (loc_proj_units != NULL) {
strcat(error_msg, "GRASS LOCATION PROJ_UNITS is:\n");
for (i_value = 0; i_value < loc_proj_units->nitems;
i_value++)
sprintf(error_msg + strlen(error_msg), "%s: %s\n",
loc_proj_units->key[i_value],
loc_proj_units->value[i_value]);
strcat(error_msg, "\n");
}
if (proj_units != NULL) {
strcat(error_msg, "Import dataset PROJ_UNITS is:\n");
for (i_value = 0; i_value < proj_units->nitems; i_value++)
sprintf(error_msg + strlen(error_msg), "%s: %s\n",
proj_units->key[i_value],
proj_units->value[i_value]);
}
}
sprintf(error_msg + strlen(error_msg),
_("\nYou can use the -o flag to %s to override this projection check.\n"),
G_program_name());
strcat(error_msg,
_("Consider generating a new location with 'location' parameter"
" from input data set.\n"));
G_fatal_error(error_msg);
}
else {
G_message(_("Projection of input dataset and current location "
"appear to match"));
}
}
db_init_string(&sql);
db_init_string(&strval);
/* open output vector */
/* strip any @mapset from vector output name */
G_find_vector(output, G_mapset());
Vect_open_new(&Map, output, flag.z->answer != 0);
Out = ⤅
n_polygon_boundaries = 0;
if (!flag.no_clean->answer) {
/* check if we need a tmp vector */
/* estimate distance for boundary splitting --> */
for (layer = 0; layer < nlayers; layer++) {
layer_id = layers[layer];
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, layer_id);
Ogr_featuredefn = OGR_L_GetLayerDefn(Ogr_layer);
n_features = feature_count = 0;
n_features = OGR_L_GetFeatureCount(Ogr_layer, 1);
OGR_L_ResetReading(Ogr_layer);
/* count polygons and isles */
G_message(_("Counting polygons for %d features (OGR layer <%s>)..."),
n_features, layer_names[layer]);
while ((Ogr_feature = OGR_L_GetNextFeature(Ogr_layer)) != NULL) {
G_percent(feature_count++, n_features, 1); /* show something happens */
/* Geometry */
Ogr_geometry = OGR_F_GetGeometryRef(Ogr_feature);
if (Ogr_geometry != NULL) {
poly_count(Ogr_geometry, (type & GV_BOUNDARY));
}
OGR_F_Destroy(Ogr_feature);
}
}
G_debug(1, "n polygon boundaries: %d", n_polygon_boundaries);
if (n_polygon_boundaries > 50) {
split_distance =
area_size / log(n_polygon_boundaries);
/* divisor is the handle: increase divisor to decrease split_distance */
split_distance = split_distance / 5.;
G_debug(1, "root of area size: %f", area_size);
G_verbose_message(_("Boundary splitting distance in map units: %G"),
split_distance);
}
/* <-- estimate distance for boundary splitting */
use_tmp_vect = n_polygon_boundaries > 0;
if (use_tmp_vect) {
/* open temporary vector, do the work in the temporary vector
* at the end copy alive lines to output vector
* in case of polygons this reduces the coor file size by a factor of 2 to 5
* only needed when cleaning polygons */
sprintf(tempvect, "%s_tmp", output);
G_verbose_message(_("Using temporary vector <%s>"), tempvect);
Vect_open_new(&Tmp, tempvect, flag.z->answer != 0);
Out = &Tmp;
}
}
Vect_hist_command(&Map);
/* Points and lines are written immediately with categories. Boundaries of polygons are
* written to the vector then cleaned and centroids are calculated for all areas in cleaan vector.
* Then second pass through finds all centroids in each polygon feature and adds its category
* to the centroid. The result is that one centroids may have 0, 1 ore more categories
* of one ore more (more input layers) fields. */
with_z = 0;
for (layer = 0; layer < nlayers; layer++) {
layer_id = layers[layer];
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, layer_id);
Ogr_featuredefn = OGR_L_GetLayerDefn(Ogr_layer);
/* Add DB link */
if (!flag.notab->answer) {
char *cat_col_name = GV_KEY_COLUMN;
if (nlayers == 1) { /* one layer only */
Fi = Vect_default_field_info(&Map, layer + 1, NULL,
GV_1TABLE);
}
else {
Fi = Vect_default_field_info(&Map, layer + 1, NULL,
GV_MTABLE);
}
if (ncnames > 0) {
cat_col_name = param.cnames->answers[0];
}
Vect_map_add_dblink(&Map, layer + 1, layer_names[layer], Fi->table,
cat_col_name, Fi->database, Fi->driver);
ncols = OGR_FD_GetFieldCount(Ogr_featuredefn);
G_debug(2, "%d columns", ncols);
/* Create table */
sprintf(buf, "create table %s (%s integer", Fi->table,
cat_col_name);
db_set_string(&sql, buf);
for (i = 0; i < ncols; i++) {
Ogr_field = OGR_FD_GetFieldDefn(Ogr_featuredefn, i);
Ogr_ftype = OGR_Fld_GetType(Ogr_field);
G_debug(3, "Ogr_ftype: %i", Ogr_ftype); /* look up below */
if (i < ncnames - 1) {
Ogr_fieldname = G_store(param.cnames->answers[i + 1]);
}
else {
/* Change column names to [A-Za-z][A-Za-z0-9_]* */
Ogr_fieldname = G_store(OGR_Fld_GetNameRef(Ogr_field));
G_debug(3, "Ogr_fieldname: '%s'", Ogr_fieldname);
G_str_to_sql(Ogr_fieldname);
G_debug(3, "Ogr_fieldname: '%s'", Ogr_fieldname);
}
/* avoid that we get the 'cat' column twice */
if (strcmp(Ogr_fieldname, GV_KEY_COLUMN) == 0) {
sprintf(namebuf, "%s_", Ogr_fieldname);
Ogr_fieldname = G_store(namebuf);
}
/* captial column names are a pain in SQL */
if (flag.tolower->answer)
G_str_to_lower(Ogr_fieldname);
if (strcmp(OGR_Fld_GetNameRef(Ogr_field), Ogr_fieldname) != 0) {
G_warning(_("Column name changed: '%s' -> '%s'"),
OGR_Fld_GetNameRef(Ogr_field), Ogr_fieldname);
}
/** Simple 32bit integer OFTInteger = 0 **/
/** List of 32bit integers OFTIntegerList = 1 **/
/** Double Precision floating point OFTReal = 2 **/
/** List of doubles OFTRealList = 3 **/
/** String of ASCII chars OFTString = 4 **/
/** Array of strings OFTStringList = 5 **/
/** Double byte string (unsupported) OFTWideString = 6 **/
/** List of wide strings (unsupported) OFTWideStringList = 7 **/
/** Raw Binary data (unsupported) OFTBinary = 8 **/
/** OFTDate = 9 **/
/** OFTTime = 10 **/
/** OFTDateTime = 11 **/
if (Ogr_ftype == OFTInteger) {
sprintf(buf, ", %s integer", Ogr_fieldname);
}
else if (Ogr_ftype == OFTIntegerList) {
/* hack: treat as string */
sprintf(buf, ", %s varchar ( %d )", Ogr_fieldname,
OFTIntegerListlength);
G_warning(_("Writing column <%s> with fixed length %d chars (may be truncated)"),
Ogr_fieldname, OFTIntegerListlength);
}
else if (Ogr_ftype == OFTReal) {
sprintf(buf, ", %s double precision", Ogr_fieldname);
#if GDAL_VERSION_NUM >= 1320
}
else if (Ogr_ftype == OFTDate) {
sprintf(buf, ", %s date", Ogr_fieldname);
}
else if (Ogr_ftype == OFTTime) {
sprintf(buf, ", %s time", Ogr_fieldname);
}
else if (Ogr_ftype == OFTDateTime) {
sprintf(buf, ", %s datetime", Ogr_fieldname);
#endif
}
else if (Ogr_ftype == OFTString) {
int fwidth;
fwidth = OGR_Fld_GetWidth(Ogr_field);
/* TODO: read all records first and find the longest string length */
if (fwidth == 0) {
G_warning(_("Width for column %s set to 255 (was not specified by OGR), "
"some strings may be truncated!"),
Ogr_fieldname);
fwidth = 255;
}
sprintf(buf, ", %s varchar ( %d )", Ogr_fieldname,
fwidth);
}
else if (Ogr_ftype == OFTStringList) {
/* hack: treat as string */
sprintf(buf, ", %s varchar ( %d )", Ogr_fieldname,
OFTIntegerListlength);
G_warning(_("Writing column %s with fixed length %d chars (may be truncated)"),
Ogr_fieldname, OFTIntegerListlength);
}
else {
G_warning(_("Column type not supported (%s)"),
Ogr_fieldname);
buf[0] = 0;
}
db_append_string(&sql, buf);
G_free(Ogr_fieldname);
}
db_append_string(&sql, ")");
G_debug(3, db_get_string(&sql));
driver =
db_start_driver_open_database(Fi->driver,
Vect_subst_var(Fi->database,
&Map));
if (driver == NULL) {
G_fatal_error(_("Unable open database <%s> by driver <%s>"),
Vect_subst_var(Fi->database, &Map), Fi->driver);
}
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error(_("Unable to create table: '%s'"),
db_get_string(&sql));
}
if (db_create_index2(driver, Fi->table, cat_col_name) != DB_OK)
G_warning(_("Unable to create index for table <%s>, key <%s>"),
Fi->table, cat_col_name);
if (db_grant_on_table
(driver, Fi->table, DB_PRIV_SELECT,
DB_GROUP | DB_PUBLIC) != DB_OK)
G_fatal_error(_("Unable to grant privileges on table <%s>"),
Fi->table);
db_begin_transaction(driver);
}
/* Import feature */
cat = 1;
nogeom = 0;
OGR_L_ResetReading(Ogr_layer);
n_features = feature_count = 0;
n_features = OGR_L_GetFeatureCount(Ogr_layer, 1);
G_important_message(_("Importing %d features (OGR layer <%s>)..."),
n_features, layer_names[layer]);
while ((Ogr_feature = OGR_L_GetNextFeature(Ogr_layer)) != NULL) {
G_percent(feature_count++, n_features, 1); /* show something happens */
/* Geometry */
Ogr_geometry = OGR_F_GetGeometryRef(Ogr_feature);
if (Ogr_geometry == NULL) {
nogeom++;
}
else {
dim = OGR_G_GetCoordinateDimension(Ogr_geometry);
if (dim > 2)
with_z = 1;
geom(Ogr_geometry, Out, layer + 1, cat, min_area, type,
flag.no_clean->answer);
}
/* Attributes */
if (!flag.notab->answer) {
sprintf(buf, "insert into %s values ( %d", Fi->table, cat);
db_set_string(&sql, buf);
for (i = 0; i < ncols; i++) {
Ogr_field = OGR_FD_GetFieldDefn(Ogr_featuredefn, i);
Ogr_ftype = OGR_Fld_GetType(Ogr_field);
if (OGR_F_IsFieldSet(Ogr_feature, i)) {
if (Ogr_ftype == OFTInteger || Ogr_ftype == OFTReal) {
sprintf(buf, ", %s",
OGR_F_GetFieldAsString(Ogr_feature, i));
#if GDAL_VERSION_NUM >= 1320
/* should we use OGR_F_GetFieldAsDateTime() here ? */
}
else if (Ogr_ftype == OFTDate || Ogr_ftype == OFTTime
|| Ogr_ftype == OFTDateTime) {
char *newbuf;
db_set_string(&strval, (char *)
OGR_F_GetFieldAsString(Ogr_feature,
i));
db_double_quote_string(&strval);
sprintf(buf, ", '%s'", db_get_string(&strval));
newbuf = G_str_replace(buf, "/", "-"); /* fix 2001/10/21 to 2001-10-21 */
sprintf(buf, "%s", newbuf);
#endif
}
else if (Ogr_ftype == OFTString ||
Ogr_ftype == OFTIntegerList) {
db_set_string(&strval, (char *)
OGR_F_GetFieldAsString(Ogr_feature,
i));
db_double_quote_string(&strval);
sprintf(buf, ", '%s'", db_get_string(&strval));
}
}
else {
/* G_warning (_("Column value not set" )); */
if (Ogr_ftype == OFTInteger || Ogr_ftype == OFTReal) {
sprintf(buf, ", NULL");
#if GDAL_VERSION_NUM >= 1320
}
else if (Ogr_ftype == OFTString ||
Ogr_ftype == OFTIntegerList ||
Ogr_ftype == OFTDate) {
#else
}
else if (Ogr_ftype == OFTString ||
Ogr_ftype == OFTIntegerList) {
#endif
sprintf(buf, ", ''");
}
}
db_append_string(&sql, buf);
}
db_append_string(&sql, " )");
G_debug(3, db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error(_("Cannot insert new row: %s"),
db_get_string(&sql));
}
}
OGR_F_Destroy(Ogr_feature);
cat++;
}
G_percent(1, 1, 1); /* finish it */
if (!flag.notab->answer) {
db_commit_transaction(driver);
db_close_database_shutdown_driver(driver);
}
if (nogeom > 0)
G_warning(_("%d %s without geometry"), nogeom,
nogeom == 1 ? "feature" : "features");
}
separator = "-----------------------------------------------------";
G_message("%s", separator);
if (use_tmp_vect) {
/* TODO: is it necessary to build here? probably not, consumes time */
/* GV_BUILD_BASE is sufficient to toggle boundary cleaning */
Vect_build_partial(&Tmp, GV_BUILD_BASE);
}
if (use_tmp_vect && !flag.no_clean->answer &&
Vect_get_num_primitives(Out, GV_BOUNDARY) > 0) {
int ret, centr, ncentr, otype, n_overlaps, n_nocat;
CENTR *Centr;
struct spatial_index si;
double x, y, total_area, overlap_area, nocat_area;
struct bound_box box;
struct line_pnts *Points;
int nmodif;
Points = Vect_new_line_struct();
G_message("%s", separator);
G_warning(_("Cleaning polygons, result is not guaranteed!"));
if (snap >= 0) {
G_message("%s", separator);
G_message(_("Snapping boundaries (threshold = %.3e)..."), snap);
Vect_snap_lines(&Tmp, GV_BOUNDARY, snap, NULL);
}
/* It is not to clean to snap centroids, but I have seen data with 2 duplicate polygons
* (as far as decimal places were printed) and centroids were not identical */
/* Disabled, because overlapping polygons result in many duplicate centroids anyway */
/*
fprintf ( stderr, separator );
fprintf ( stderr, "Snap centroids (threshold 0.000001):\n" );
Vect_snap_lines ( &Map, GV_CENTROID, 0.000001, NULL, stderr );
*/
G_message("%s", separator);
G_message(_("Breaking polygons..."));
Vect_break_polygons(&Tmp, GV_BOUNDARY, NULL);
/* It is important to remove also duplicate centroids in case of duplicate input polygons */
G_message("%s", separator);
G_message(_("Removing duplicates..."));
Vect_remove_duplicates(&Tmp, GV_BOUNDARY | GV_CENTROID, NULL);
/* in non-pathological cases, the bulk of the cleaning is now done */
/* Vect_clean_small_angles_at_nodes() can change the geometry so that new intersections
* are created. We must call Vect_break_lines(), Vect_remove_duplicates()
* and Vect_clean_small_angles_at_nodes() until no more small angles are found */
do {
G_message("%s", separator);
G_message(_("Breaking boundaries..."));
Vect_break_lines(&Tmp, GV_BOUNDARY, NULL);
G_message("%s", separator);
G_message(_("Removing duplicates..."));
Vect_remove_duplicates(&Tmp, GV_BOUNDARY, NULL);
G_message("%s", separator);
G_message(_("Cleaning boundaries at nodes..."));
nmodif =
Vect_clean_small_angles_at_nodes(&Tmp, GV_BOUNDARY, NULL);
} while (nmodif > 0);
/* merge boundaries */
G_message("%s", separator);
G_message(_("Merging boundaries..."));
Vect_merge_lines(&Tmp, GV_BOUNDARY, NULL, NULL);
G_message("%s", separator);
if (type & GV_BOUNDARY) { /* that means lines were converted to boundaries */
G_message(_("Changing boundary dangles to lines..."));
Vect_chtype_dangles(&Tmp, -1.0, NULL);
}
else {
G_message(_("Removing dangles..."));
Vect_remove_dangles(&Tmp, GV_BOUNDARY, -1.0, NULL);
}
G_message("%s", separator);
if (type & GV_BOUNDARY) {
G_message(_("Changing boundary bridges to lines..."));
Vect_chtype_bridges(&Tmp, NULL);
}
else {
G_message(_("Removing bridges..."));
Vect_remove_bridges(&Tmp, NULL);
}
/* Boundaries are hopefully clean, build areas */
G_message("%s", separator);
Vect_build_partial(&Tmp, GV_BUILD_ATTACH_ISLES);
/* Calculate new centroids for all areas, centroids have the same id as area */
ncentr = Vect_get_num_areas(&Tmp);
G_debug(3, "%d centroids/areas", ncentr);
Centr = (CENTR *) G_calloc(ncentr + 1, sizeof(CENTR));
Vect_spatial_index_init(&si, 0);
for (centr = 1; centr <= ncentr; centr++) {
Centr[centr].valid = 0;
Centr[centr].cats = Vect_new_cats_struct();
ret = Vect_get_point_in_area(&Tmp, centr, &x, &y);
if (ret < 0) {
G_warning(_("Unable to calculate area centroid"));
continue;
}
Centr[centr].x = x;
Centr[centr].y = y;
Centr[centr].valid = 1;
box.N = box.S = y;
box.E = box.W = x;
box.T = box.B = 0;
Vect_spatial_index_add_item(&si, centr, &box);
}
/* Go through all layers and find centroids for each polygon */
for (layer = 0; layer < nlayers; layer++) {
G_message("%s", separator);
G_message(_("Finding centroids for OGR layer <%s>..."), layer_names[layer]);
layer_id = layers[layer];
Ogr_layer = OGR_DS_GetLayer(Ogr_ds, layer_id);
n_features = OGR_L_GetFeatureCount(Ogr_layer, 1);
OGR_L_ResetReading(Ogr_layer);
cat = 0; /* field = layer + 1 */
G_percent(cat, n_features, 2);
while ((Ogr_feature = OGR_L_GetNextFeature(Ogr_layer)) != NULL) {
cat++;
G_percent(cat, n_features, 2);
/* Geometry */
Ogr_geometry = OGR_F_GetGeometryRef(Ogr_feature);
if (Ogr_geometry != NULL) {
centroid(Ogr_geometry, Centr, &si, layer + 1, cat,
min_area, type);
}
OGR_F_Destroy(Ogr_feature);
}
}
/* Write centroids */
G_message("%s", separator);
G_message(_("Writing centroids..."));
n_overlaps = n_nocat = 0;
total_area = overlap_area = nocat_area = 0.0;
for (centr = 1; centr <= ncentr; centr++) {
double area;
G_percent(centr, ncentr, 2);
area = Vect_get_area_area(&Tmp, centr);
total_area += area;
if (!(Centr[centr].valid)) {
continue;
}
if (Centr[centr].cats->n_cats == 0) {
nocat_area += area;
n_nocat++;
continue;
}
if (Centr[centr].cats->n_cats > 1) {
Vect_cat_set(Centr[centr].cats, nlayers + 1,
Centr[centr].cats->n_cats);
overlap_area += area;
n_overlaps++;
}
Vect_reset_line(Points);
Vect_append_point(Points, Centr[centr].x, Centr[centr].y, 0.0);
if (type & GV_POINT)
otype = GV_POINT;
else
otype = GV_CENTROID;
Vect_write_line(&Tmp, otype, Points, Centr[centr].cats);
}
if (Centr)
G_free(Centr);
Vect_spatial_index_destroy(&si);
if (n_overlaps > 0) {
G_warning(_("%d areas represent more (overlapping) features, because polygons overlap "
"in input layer(s). Such areas are linked to more than 1 row in attribute table. "
"The number of features for those areas is stored as category in layer %d"),
n_overlaps, nlayers + 1);
}
G_message("%s", separator);
Vect_hist_write(&Map, separator);
Vect_hist_write(&Map, "\n");
sprintf(buf, _("%d input polygons\n"), n_polygons);
G_message(_("%d input polygons"), n_polygons);
Vect_hist_write(&Map, buf);
sprintf(buf, _("Total area: %G (%d areas)\n"), total_area, ncentr);
G_message(_("Total area: %G (%d areas)"), total_area, ncentr);
Vect_hist_write(&Map, buf);
sprintf(buf, _("Overlapping area: %G (%d areas)\n"), overlap_area,
n_overlaps);
G_message(_("Overlapping area: %G (%d areas)"), overlap_area,
n_overlaps);
Vect_hist_write(&Map, buf);
sprintf(buf, _("Area without category: %G (%d areas)\n"), nocat_area,
n_nocat);
G_message(_("Area without category: %G (%d areas)"), nocat_area,
n_nocat);
Vect_hist_write(&Map, buf);
G_message("%s", separator);
}
/* needed?
* OGR_DS_Destroy( Ogr_ds );
*/
if (use_tmp_vect) {
/* Copy temporary vector to output vector */
Vect_copy_map_lines(&Tmp, &Map);
/* release memory occupied by topo, we may need that memory for main output */
Vect_set_release_support(&Tmp);
Vect_close(&Tmp);
Vect_delete(tempvect);
}
Vect_build(&Map);
Vect_close(&Map);
/* -------------------------------------------------------------------- */
/* Extend current window based on dataset. */
/* -------------------------------------------------------------------- */
if (flag.extend->answer) {
G_get_default_window(&loc_wind);
loc_wind.north = MAX(loc_wind.north, cellhd.north);
loc_wind.south = MIN(loc_wind.south, cellhd.south);
loc_wind.west = MIN(loc_wind.west, cellhd.west);
loc_wind.east = MAX(loc_wind.east, cellhd.east);
loc_wind.rows = (int)ceil((loc_wind.north - loc_wind.south)
/ loc_wind.ns_res);
loc_wind.south = loc_wind.north - loc_wind.rows * loc_wind.ns_res;
loc_wind.cols = (int)ceil((loc_wind.east - loc_wind.west)
/ loc_wind.ew_res);
loc_wind.east = loc_wind.west + loc_wind.cols * loc_wind.ew_res;
G__put_window(&loc_wind, "../PERMANENT", "DEFAULT_WIND");
}
if (with_z && !flag.z->answer)
G_warning(_("Input data contains 3D features. Created vector is 2D only, "
"use -z flag to import 3D vector."));
exit(EXIT_SUCCESS);
}
/*!
\brief transform 3d vector features to 2d (z-coordinate is omitted)
\param In input vector
\param Out output vector
\param type feature type to be transformed
\param field layer number
\param zcolumn attribute column where to store height
\return number of writen features
\return -1 on error
*/
int trans3d(struct Map_info *In, struct Map_info *Out, int type,
const char *field_name, const char *zcolumn)
{
int ltype, line;
int ctype;
int field;
struct line_pnts *Points;
struct line_cats *Cats;
struct field_info *Fi;
dbDriver *driver;
dbString stmt;
char buf[2000];
int ncats, *cats, cat, *cex;
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
db_init_string(&stmt);
field = Vect_get_field_number(In, field_name);
if (zcolumn) {
Fi = Vect_get_field(Out, field);
if (!Fi) {
G_warning(_("Database connection not defined for layer <%s>"),
field_name);
return -1;
}
driver = db_start_driver_open_database(Fi->driver, Fi->database);
if (!driver) {
G_warning(_("Unable to open database <%s> by driver <%s>"),
Fi->database, Fi->driver);
return -1;
}
/* column type must numeric */
ctype = db_column_Ctype(driver, Fi->table, zcolumn);
if (ctype == -1) {
G_warning(_("Column <%s> not found in table <%s>"),
zcolumn, Fi->table);
return -1;
}
if (ctype != DB_C_TYPE_INT && ctype != DB_C_TYPE_DOUBLE) {
G_warning(_("Column must be numeric"));
return -1;
}
db_begin_transaction(driver);
/* select existing categories (layer) to array (array is sorted) */
ncats = db_select_int(driver, Fi->table, Fi->key, NULL, &cats);
G_debug(3, "Existing categories: %d", ncats);
}
line = 1;
while (1) {
ltype = Vect_read_next_line(In, Points, Cats);
if (ltype == -1) {
G_warning(_("Unable to read vector map"));
return -1;
}
if (ltype == -2) { /* EOF */
break;
}
if (G_verbose() > G_verbose_min() && (line - 1) % 1000 == 0) {
fprintf(stderr, "%7d\b\b\b\b\b\b\b", (line - 1));
}
if (!(ltype & type))
continue;
if (field != -1 && !Vect_cat_get(Cats, field, &cat))
continue;
/* get first cat */
if (cat == -1) {
G_warning(_("Feature id %d has no category - skipping"), line);
}
else if (Cats->n_cats > 1) {
G_warning(_("Feature id %d has more categories. "
"Using category %d."), line, field, cat);
}
if (zcolumn && ltype == GV_POINT && cat > -1) {
/* category exist in table ? */
cex = (int *)bsearch((void *)&cat, cats, ncats, sizeof(int),
srch);
/* store height to the attribute table */
if (ctype == DB_C_TYPE_INT)
sprintf(buf, "update %s set %s = %d where cat = %d",
Fi->table, zcolumn, (int)Points->z[0], cat);
else /* double */
sprintf(buf, "update %s set %s = %.8f where cat = %d",
Fi->table, zcolumn, Points->z[0], cat);
G_debug(3, "SQL: %s", buf);
db_set_string(&stmt, buf);
if (cex) {
if (db_execute_immediate(driver, &stmt) == DB_OK) {
/* TODO */
}
}
else { /* cat does not exist in table */
G_warning(_("Record (cat %d) does not exist (not updated)"),
cat);
}
}
Vect_write_line(Out, ltype, Points, Cats);
line++;
}
if (G_verbose() > G_verbose_min())
fprintf(stderr, "\r");
if (zcolumn) {
db_commit_transaction(driver);
G_free(cats);
db_close_database_shutdown_driver(driver);
db_free_string(&stmt);
}
Vect_destroy_line_struct(Points);
Vect_destroy_cats_struct(Cats);
return line - 1;
}
/*------------------------------------------------------------------------------------------------*/
void
P_Sparse_Points(struct Map_info *Out, struct Cell_head *Elaboration,
BOUND_BOX General, BOUND_BOX Overlap, double **obs,
double *param, int *line_num, double pe, double pn,
double overlap, int nsplx, int nsply, int num_points,
int bilin, struct line_cats *categories, dbDriver * driver,
double mean, char *tab_name)
{
int i;
char buf[1024];
dbString sql;
double interpolation, csi, eta, weight;
struct line_pnts *point;
point = Vect_new_line_struct();
db_begin_transaction(driver);
for (i = 0; i < num_points; i++) {
if (Vect_point_in_box(obs[i][0], obs[i][1], mean, &General)) { /*Here mean is just for asking if obs point is in box */
if (bilin)
interpolation =
dataInterpolateBilin(obs[i][0], obs[i][1], pe, pn, nsplx,
nsply, Elaboration->west,
Elaboration->south, param);
else
interpolation =
dataInterpolateBicubic(obs[i][0], obs[i][1], pe, pn,
nsplx, nsply, Elaboration->west,
Elaboration->south, param);
interpolation += mean;
Vect_copy_xyz_to_pnts(point, &obs[i][0], &obs[i][1],
&interpolation, 1);
if (Vect_point_in_box(obs[i][0], obs[i][1], interpolation, &Overlap)) { /*(5) */
Vect_write_line(Out, GV_POINT, point, categories);
}
else {
db_init_string(&sql);
sprintf(buf, "INSERT INTO %s (ID, X, Y, Interp)", tab_name);
db_append_string(&sql, buf);
sprintf(buf, " VALUES (");
db_append_string(&sql, buf);
sprintf(buf, "%d, %f, %f, ", line_num[i], obs[i][0],
obs[i][1]);
db_append_string(&sql, buf);
if ((*point->x > Overlap.E) && (*point->x < General.E)) {
if ((*point->y > Overlap.N) && (*point->y < General.N)) { /*(3) */
csi = (General.E - *point->x) / overlap;
eta = (General.N - *point->y) / overlap;
weight = csi * eta;
*point->z = weight * interpolation;
sprintf(buf, "%lf", *point->z);
db_append_string(&sql, buf);
sprintf(buf, ")");
db_append_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to access table <%s>"),
buf);
}
else if ((*point->y < Overlap.S) && (*point->y > General.S)) { /*(1) */
csi = (General.E - *point->x) / overlap;
eta = (*point->y - General.S) / overlap;
weight = csi * eta;
*point->z = weight * interpolation;
sprintf(buf, "%lf", *point->z);
db_append_string(&sql, buf);
sprintf(buf, ")");
db_append_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to access table <%s>"),
buf);
}
else if ((*point->y <= Overlap.N) && (*point->y >= Overlap.S)) { /*(1) */
weight = (General.E - *point->x) / overlap;
*point->z = weight * interpolation;
sprintf(buf, "%lf", *point->z);
db_append_string(&sql, buf);
sprintf(buf, ")");
db_append_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to access table <%s>"),
buf);
}
}
else if ((*point->x < Overlap.W) && (*point->x > General.W)) {
if ((*point->y > Overlap.N) && (*point->y < General.N)) { /*(4) */
csi = (*point->x - General.W) / overlap;
eta = (General.N - *point->y) / overlap;
weight = eta * csi;
*point->z = weight * interpolation;
sprintf(buf, "%lf", *point->z);
db_append_string(&sql, buf);
sprintf(buf, ")");
db_append_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to access table <%s>"),
buf);
}
else if ((*point->y < Overlap.S) && (*point->y > General.S)) { /*(2) */
csi = (*point->x - General.W) / overlap;
eta = (*point->y - General.S) / overlap;
weight = csi * eta;
*point->z = weight * interpolation;
sprintf(buf, "%lf", *point->z);
db_append_string(&sql, buf);
sprintf(buf, ")");
db_append_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to access table <%s>"),
buf);
}
else if ((*point->y >= Overlap.S) && (*point->y <= Overlap.N)) { /*(2) */
weight = (*point->x - General.W) / overlap;
*point->z = weight * interpolation;
sprintf(buf, "%lf", *point->z);
db_append_string(&sql, buf);
sprintf(buf, ")");
db_append_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to access table <%s>"),
buf);
}
}
else if ((*point->x >= Overlap.W) && (*point->x <= Overlap.E)){
if ((*point->y > Overlap.N) && (*point->y < General.N)) { /*(3) */
weight = (General.N - *point->y) / overlap;
*point->z = weight * interpolation;
sprintf(buf, "%lf", *point->z);
db_append_string(&sql, buf);
sprintf(buf, ")");
db_append_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to access table <%s>"),
buf);
}
else if ((*point->y < Overlap.S) && (*point->y > General.S)) { /*(1) */
weight = (*point->y - General.S) / overlap;
*point->z = (1 - weight) * interpolation;
sprintf(buf, "%lf", *point->z);
db_append_string(&sql, buf);
sprintf(buf, ")");
db_append_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to access table <%s>"),
buf);
}
}
}
} /*IF*/
} /*FOR*/
db_commit_transaction(driver);
return;
}
int execute_random(struct rr_state *theState)
{
long nt;
long nc;
struct Cell_head window;
int nrows, ncols, row, col;
int infd, cinfd, outfd;
struct Map_info Out;
struct field_info *fi;
dbTable *table;
dbColumn *column;
dbString sql;
dbDriver *driver;
struct line_pnts *Points;
struct line_cats *Cats;
int cat;
RASTER_MAP_TYPE type;
int do_check;
G_get_window(&window);
nrows = Rast_window_rows();
ncols = Rast_window_cols();
/* open the data files, input raster should be set-up already */
if ((infd = theState->fd_old) < 0)
G_fatal_error(_("Unable to open raster map <%s>"),
theState->inraster);
if (theState->docover == TRUE) {
if ((cinfd = theState->fd_cold) < 0)
G_fatal_error(_("Unable to open raster map <%s>"),
theState->inrcover);
}
if (theState->outraster != NULL) {
if (theState->docover == TRUE)
type = theState->cover.type;
else
type = theState->buf.type;
outfd = Rast_open_new(theState->outraster, type);
theState->fd_new = outfd;
}
if (theState->outvector) {
if (Vect_open_new(&Out, theState->outvector, theState->z_geometry) < 0)
G_fatal_error(_("Unable to create vector map <%s>"),
theState->outvector);
Vect_hist_command(&Out);
fi = Vect_default_field_info(&Out, 1, NULL, GV_1TABLE);
driver =
db_start_driver_open_database(fi->driver,
Vect_subst_var(fi->database, &Out));
if (!driver)
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Vect_subst_var(fi->database, &Out), fi->driver);
db_set_error_handler_driver(driver);
Vect_map_add_dblink(&Out, 1, NULL, fi->table, GV_KEY_COLUMN, fi->database,
fi->driver);
if (theState->docover == TRUE)
table = db_alloc_table(3);
else
table = db_alloc_table(2);
db_set_table_name(table, fi->table);
column = db_get_table_column(table, 0);
db_set_column_name(column, GV_KEY_COLUMN);
db_set_column_sqltype(column, DB_SQL_TYPE_INTEGER);
column = db_get_table_column(table, 1);
db_set_column_name(column, "value");
db_set_column_sqltype(column, DB_SQL_TYPE_DOUBLE_PRECISION);
if (theState->docover == TRUE) {
column = db_get_table_column(table, 2);
db_set_column_name(column, "covervalue");
db_set_column_sqltype(column, DB_SQL_TYPE_DOUBLE_PRECISION);
}
if (db_create_table(driver, table) != DB_OK)
G_warning(_("Cannot create new table"));
db_begin_transaction(driver);
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
db_init_string(&sql);
}
if (theState->outvector && theState->outraster)
G_message(_("Writing raster map <%s> and vector map <%s> ..."),
theState->outraster, theState->outvector);
else if (theState->outraster)
G_message(_("Writing raster map <%s> ..."), theState->outraster);
else if (theState->outvector)
G_message(_("Writing vector map <%s> ..."), theState->outvector);
G_percent(0, theState->nRand, 2);
init_rand();
nc = (theState->use_nulls) ? theState->nCells :
theState->nCells - theState->nNulls;
nt = theState->nRand; /* Number of points to generate */
cat = 1;
/* Execute for loop for every row if nt>1 */
for (row = 0; row < nrows && nt; row++) {
Rast_get_row(infd, theState->buf.data.v, row, theState->buf.type);
if (theState->docover == TRUE) {
Rast_get_row(cinfd, theState->cover.data.v, row,
theState->cover.type);
}
for (col = 0; col < ncols && nt; col++) {
do_check = 0;
if (theState->use_nulls || !is_null_value(theState->buf, col))
do_check = 1;
if (do_check && theState->docover == TRUE) { /* skip no data cover points */
if (!theState->use_nulls &&
is_null_value(theState->cover, col))
do_check = 0;
}
if (do_check && make_rand() % nc < nt) {
nt--;
if (is_null_value(theState->buf, col))
cpvalue(&theState->nulls, 0, &theState->buf, col);
if (theState->docover == TRUE) {
if (is_null_value(theState->cover, col))
cpvalue(&theState->cnulls, 0, &theState->cover, col);
}
if (theState->outvector) {
double x, y, val, coverval;
char buf[500];
Vect_reset_line(Points);
Vect_reset_cats(Cats);
x = window.west + (col + .5) * window.ew_res;
y = window.north - (row + .5) * window.ns_res;
val = cell_as_dbl(&theState->buf, col);
if (theState->docover == 1)
coverval = cell_as_dbl(&theState->cover, col);
if (theState->z_geometry)
Vect_append_point(Points, x, y, val);
else
Vect_append_point(Points, x, y, 0.0);
Vect_cat_set(Cats, 1, cat);
Vect_write_line(&Out, GV_POINT, Points, Cats);
if (theState->docover == 1)
if (is_null_value(theState->cover, col))
sprintf(buf,
"insert into %s values ( %d, %f, NULL )",
fi->table, cat, val);
else
sprintf(buf,
"insert into %s values ( %d, %f, %f )",
fi->table, cat, val, coverval);
else
sprintf(buf, "insert into %s values ( %d, %f )",
fi->table, cat, val);
db_set_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Cannot insert new record: %s"),
db_get_string(&sql));
cat++;
}
G_percent((theState->nRand - nt), theState->nRand, 2);
}
else {
set_to_null(&theState->buf, col);
if (theState->docover == 1)
set_to_null(&theState->cover, col);
}
if (do_check)
nc--;
}
while (col < ncols) {
set_to_null(&theState->buf, col);
if (theState->docover == 1)
set_to_null(&theState->cover, col);
col++;
}
if (theState->outraster) {
if (theState->docover == 1)
Rast_put_row(outfd, theState->cover.data.v,
theState->cover.type);
else
Rast_put_row(outfd, theState->buf.data.v,
theState->buf.type);
}
}
/* Catch any remaining rows in the window */
if (theState->outraster && row < nrows) {
for (col = 0; col < ncols; col++) {
if (theState->docover == 1)
set_to_null(&theState->cover, col);
else
set_to_null(&theState->buf, col);
}
for (; row < nrows; row++) {
if (theState->docover == 1)
Rast_put_row(outfd, theState->cover.data.v,
theState->cover.type);
else
Rast_put_row(outfd, theState->buf.data.v,
theState->buf.type);
}
}
if (nt > 0)
G_warning(_("Only [%ld] random points created"),
theState->nRand - nt);
/* close files */
Rast_close(infd);
if (theState->docover == TRUE)
Rast_close(cinfd);
if (theState->outvector) {
db_commit_transaction(driver);
if (db_create_index2(driver, fi->table, GV_KEY_COLUMN) != DB_OK)
G_warning(_("Unable to create index"));
if (db_grant_on_table
(driver, fi->table, DB_PRIV_SELECT,
DB_GROUP | DB_PUBLIC) != DB_OK) {
G_fatal_error(_("Unable to grant privileges on table <%s>"),
fi->table);
}
db_close_database_shutdown_driver(driver);
if (theState->notopol != 1)
Vect_build(&Out);
Vect_close(&Out);
}
if (theState->outraster)
Rast_close(outfd);
return 0;
} /* execute_random() */
int main(int argc, char *argv[])
{
struct GModule *module;
struct Option *in_opt, *out_opt, *feature_opt, *column_name;
struct Flag *smooth_flg, *value_flg, *z_flg, *no_topol;
int feature;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("conversion"));
G_add_keyword(_("geometry"));
G_add_keyword(_("vectorization"));
module->description = _("Converts a raster map into a vector map.");
in_opt = G_define_standard_option(G_OPT_R_INPUT);
out_opt = G_define_standard_option(G_OPT_V_OUTPUT);
feature_opt = G_define_standard_option(G_OPT_V_TYPE);
feature_opt->required = YES;
feature_opt->multiple = NO;
feature_opt->options = "point,line,area";
feature_opt->answer = NULL;
column_name = G_define_standard_option(G_OPT_DB_COLUMN);
column_name->label = _("Name of attribute column to store value");
column_name->description = _("Name must be SQL compliant");
column_name->answer = "value";
smooth_flg = G_define_flag();
smooth_flg->key = 's';
smooth_flg->description = _("Smooth corners of area features");
value_flg = G_define_flag();
value_flg->key = 'v';
value_flg->description =
_("Use raster values as categories instead of unique sequence (CELL only)");
value_flg->guisection = _("Attributes");
z_flg = G_define_flag();
z_flg->key = 'z';
z_flg->label = _("Write raster values as z coordinate");
z_flg->description = _("Table is not created. "
"Currently supported only for points.");
z_flg->guisection = _("Attributes");
no_topol = G_define_flag();
no_topol->key = 'b';
no_topol->label = _("Do not build vector topology");
no_topol->description = _("Recommended for massive point conversion");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
feature = Vect_option_to_types(feature_opt);
smooth_flag = (smooth_flg->answer) ? SMOOTH : NO_SMOOTH;
value_flag = value_flg->answer;
if (z_flg->answer && (feature != GV_POINT))
G_fatal_error(_("z flag is supported only for points"));
/* Open files */
input_fd = Rast_open_old(in_opt->answer, "");
data_type = Rast_get_map_type(input_fd);
data_size = Rast_cell_size(data_type);
G_get_window(&cell_head);
if (value_flag && data_type != CELL_TYPE) {
G_warning(_("Raster is not CELL, '-v' flag ignored, raster values will be written to the table."));
value_flag = 0;
}
if (z_flg->answer)
Vect_open_new(&Map, out_opt->answer, 1);
else
Vect_open_new(&Map, out_opt->answer, 0);
Vect_hist_command(&Map);
Cats = Vect_new_cats_struct();
/* Open category labels */
if (data_type == CELL_TYPE) {
if (0 == Rast_read_cats(in_opt->answer, "", &RastCats))
has_cats = 1;
}
else
has_cats = 0;
db_init_string(&sql);
db_init_string(&label);
/* Create table */
if ((feature & (GV_AREA | GV_POINT | GV_LINE)) &&
(!value_flag || (value_flag && has_cats)) && !(z_flg->answer)) {
char buf[1000];
Fi = Vect_default_field_info(&Map, 1, NULL, GV_1TABLE);
Vect_map_add_dblink(&Map, 1, NULL, Fi->table, GV_KEY_COLUMN, Fi->database,
Fi->driver);
driver =
db_start_driver_open_database(Fi->driver,
Vect_subst_var(Fi->database, &Map));
if (driver == NULL)
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Fi->database, Fi->driver);
/* Create new table */
db_zero_string(&sql);
sprintf(buf, "create table %s ( cat integer", Fi->table);
db_append_string(&sql, buf);
if (!value_flag) { /* add value to the table */
if (data_type == CELL_TYPE) {
db_append_string(&sql, ", ");
db_append_string(&sql, column_name->answer);
db_append_string(&sql, " integer");
} else {
db_append_string(&sql, ",");
db_append_string(&sql, column_name->answer);
db_append_string(&sql, " double precision");
}
}
if (has_cats) {
int i, len;
int clen = 0;
/* Get maximum column length */
for (i = 0; i < RastCats.ncats; i++) {
len = strlen(RastCats.labels[i]);
if (len > clen)
clen = len;
}
clen += 10;
sprintf(buf, ", label varchar(%d)", clen);
db_append_string(&sql, buf);
}
db_append_string(&sql, ")");
G_debug(3, db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to create table: %s"),
db_get_string(&sql));
if (db_create_index2(driver, Fi->table, GV_KEY_COLUMN) != DB_OK)
G_warning(_("Unable to create index"));
if (db_grant_on_table
(driver, Fi->table, DB_PRIV_SELECT,
DB_GROUP | DB_PUBLIC) != DB_OK)
G_fatal_error(_("Unable to grant privileges on table <%s>"),
Fi->table);
db_begin_transaction(driver);
}
else {
driver = NULL;
}
/* init variables for lines and areas */
first_read = 1;
last_read = 0;
direction = FORWARD;
row_length = cell_head.cols;
n_rows = cell_head.rows;
row_count = 0;
if (feature == GV_LINE) {
alloc_lines_bufs(row_length + 2);
extract_lines();
}
else if (feature == GV_AREA) {
alloc_areas_bufs(row_length + 2);
extract_areas();
}
else { /* GV_POINT */
extract_points(z_flg->answer);
}
Rast_close(input_fd);
if (!no_topol->answer)
Vect_build(&Map);
/* insert cats and optionally labels if raster cats were used */
if (driver && value_flag) {
char buf[1000];
int c, i, cat, fidx, ncats, lastcat, tp, id;
fidx = Vect_cidx_get_field_index(&Map, 1);
if (fidx >= 0) {
ncats = Vect_cidx_get_num_cats_by_index(&Map, fidx);
lastcat = -1;
for (c = 0; c < ncats; c++) {
Vect_cidx_get_cat_by_index(&Map, fidx, c, &cat, &tp, &id);
if (lastcat == cat)
continue;
/* find label, slow -> TODO faster */
db_set_string(&label, "");
for (i = 0; i < RastCats.ncats; i++) {
if (cat == (int)RastCats.q.table[i].dLow) { /* cats are in dLow/High not in cLow/High !!! */
db_set_string(&label, RastCats.labels[i]);
db_double_quote_string(&label);
break;
}
}
G_debug(3, "cat = %d label = %s", cat, db_get_string(&label));
sprintf(buf, "insert into %s values ( %d, '%s')", Fi->table,
cat, db_get_string(&label));
db_set_string(&sql, buf);
G_debug(3, db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Unable to insert into table: %s"),
db_get_string(&sql));
lastcat = cat;
}
}
}
if (has_cats)
Rast_free_cats(&RastCats);
if (driver != NULL) {
db_commit_transaction(driver);
db_close_database_shutdown_driver(driver);
}
Vect_close(&Map);
G_done_msg(" ");
exit(EXIT_SUCCESS);
}
/* write_area - make table of area equivalences and write attribute file */
int write_area(struct area_table *a_list, /* list of areas */
struct equiv_table *e_list, /* list of equivalences between areas */
int n_areas, /* lengths of e_list, a_list */
int n_equiv)
{
struct line_pnts *points = Vect_new_line_struct();
int n, i;
struct area_table *p;
char *temp_buf;
int cat;
int catNum;
double x, y;
total_areas = 0;
if (n_equiv < n_areas) {
equivs = (int *)G_malloc(n_areas * sizeof(int));
n = n_equiv;
}
else {
equivs = (int *)G_malloc(n_equiv * sizeof(int));
n = n_areas;
}
for (i = 0; i < n; i++) {
if ((e_list + i)->mapped)
equivs[i] = (e_list + i)->where;
else {
total_areas++;
equivs[i] = i;
}
}
if (n < n_areas) {
for (i = n; i < n_areas; i++) {
total_areas++;
equivs[i] = i;
}
}
catNum = 1;
G_important_message(_("Writing areas..."));
for (i = 0, p = a_list; i < n_areas; i++, p++) {
G_percent(i, n_areas, 3);
if (equivs[i] == i && p->width > 0 && !Rast_is_d_null_value(&(p->cat))) {
char buf[1000];
if (value_flag) { /* raster value */
cat = (int)p->cat;
}
else { /* sequence */
cat = catNum;
catNum++;
}
x = cell_head.west + (p->col +
(p->width / 2.0)) * cell_head.ew_res;
y = cell_head.north - (p->row + 0.5) * cell_head.ns_res;
switch (data_type) {
case CELL_TYPE:
G_debug(3,
"vector x = %.3f, y = %.3f, cat = %d; raster cat = %d",
x, y, cat, (int)p->cat);
break;
case FCELL_TYPE:
G_debug(3,
"vector x = %.3f, y = %.3f, cat = %d; raster cat = %f",
x, y, cat, (float)p->cat);
break;
case DCELL_TYPE:
G_debug(3,
"vector x = %.3f, y = %.3f, cat = %d; raster cat = %lf",
x, y, cat, p->cat);
break;
}
Vect_reset_line(points);
Vect_append_point(points, x, y, 0.0);
Vect_reset_cats(Cats);
Vect_cat_set(Cats, 1, cat);
Vect_write_line(&Map, GV_CENTROID, points, Cats);
if (driver != NULL && !value_flag) {
sprintf(buf, "insert into %s values (%d, ", Fi->table, cat);
db_set_string(&sql, buf);
switch (data_type) {
case CELL_TYPE:
sprintf(buf, "%d", (int)p->cat);
break;
case FCELL_TYPE:
case DCELL_TYPE:
sprintf(buf, "%f", p->cat);
break;
}
db_append_string(&sql, buf);
if (has_cats) {
temp_buf = Rast_get_d_cat(&p->cat, &RastCats);
db_set_string(&label, temp_buf);
db_double_quote_string(&label);
sprintf(buf, ", '%s'", db_get_string(&label));
db_append_string(&sql, buf);
}
db_append_string(&sql, ")");
G_debug(3, "%s", db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK)
G_fatal_error(_("Cannot insert new row: %s"),
db_get_string(&sql));
}
}
}
G_percent(1, 1, 1);
return 0;
}
int main(int argc, char *argv[])
{
int i, cat, with_z, more, ctype, nrows;
char buf[DB_SQL_MAX];
int count;
double coor[3];
int ncoor;
struct Option *driver_opt, *database_opt, *table_opt;
struct Option *xcol_opt, *ycol_opt, *zcol_opt, *keycol_opt, *where_opt,
*outvect;
struct Flag *same_table_flag;
struct GModule *module;
struct Map_info Map;
struct line_pnts *Points;
struct line_cats *Cats;
dbString sql;
dbDriver *driver;
dbCursor cursor;
dbTable *table;
dbColumn *column;
dbValue *value;
struct field_info *fi;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("import"));
G_add_keyword(_("database"));
G_add_keyword(_("points"));
module->description =
_("Creates new vector (points) map from database table containing coordinates.");
table_opt = G_define_standard_option(G_OPT_DB_TABLE);
table_opt->required = YES;
table_opt->description = _("Input table name");
driver_opt = G_define_standard_option(G_OPT_DB_DRIVER);
driver_opt->options = db_list_drivers();
driver_opt->answer = (char *)db_get_default_driver_name();
driver_opt->guisection = _("Input DB");
database_opt = G_define_standard_option(G_OPT_DB_DATABASE);
database_opt->answer = (char *)db_get_default_database_name();
database_opt->guisection = _("Input DB");
xcol_opt = G_define_standard_option(G_OPT_DB_COLUMN);
xcol_opt->key = "x";
xcol_opt->required = YES;
xcol_opt->description = _("Name of column containing x coordinate");
ycol_opt = G_define_standard_option(G_OPT_DB_COLUMN);
ycol_opt->key = "y";
ycol_opt->required = YES;
ycol_opt->description = _("Name of column containing y coordinate");
zcol_opt = G_define_standard_option(G_OPT_DB_COLUMN);
zcol_opt->key = "z";
zcol_opt->description = _("Name of column containing z coordinate");
zcol_opt->guisection = _("3D output");
keycol_opt = G_define_standard_option(G_OPT_DB_COLUMN);
keycol_opt->key = "key";
keycol_opt->required = NO;
keycol_opt->label = _("Name of column containing category number");
keycol_opt->description = _("Must refer to an integer column");
where_opt = G_define_standard_option(G_OPT_DB_WHERE);
where_opt->guisection = _("Selection");
outvect = G_define_standard_option(G_OPT_V_OUTPUT);
same_table_flag = G_define_flag();
same_table_flag->key = 't';
same_table_flag->description =
_("Use imported table as attribute table for new map");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
if (zcol_opt->answer) {
with_z = WITH_Z;
ncoor = 3;
}
else {
with_z = WITHOUT_Z;
ncoor = 2;
}
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
db_init_string(&sql);
if (G_get_overwrite()) {
/* We don't want to delete the input table when overwriting the output
* vector. */
char name[GNAME_MAX], mapset[GMAPSET_MAX];
if (!G_name_is_fully_qualified(outvect->answer, name, mapset)) {
strcpy(name, outvect->answer);
strcpy(mapset, G_mapset());
}
Vect_set_open_level(1); /* no topo needed */
if (strcmp(mapset, G_mapset()) == 0 && G_find_vector2(name, mapset) &&
Vect_open_old(&Map, name, mapset) >= 0) {
int num_dblinks;
num_dblinks = Vect_get_num_dblinks(&Map);
for (i = 0; i < num_dblinks; i++) {
if ((fi = Vect_get_dblink(&Map, i)) != NULL &&
strcmp(fi->driver, driver_opt->answer) == 0 &&
strcmp(fi->database, database_opt->answer) == 0 &&
strcmp(fi->table, table_opt->answer) == 0)
G_fatal_error(_("Vector map <%s> cannot be overwritten "
"because input table <%s> is linked to "
"this map."),
outvect->answer, table_opt->answer);
}
Vect_close(&Map);
}
}
if (Vect_open_new(&Map, outvect->answer, with_z) < 0)
G_fatal_error(_("Unable to create vector map <%s>"),
outvect->answer);
Vect_set_error_handler_io(NULL, &Map);
Vect_hist_command(&Map);
fi = Vect_default_field_info(&Map, 1, NULL, GV_1TABLE);
/* Open driver */
driver = db_start_driver_open_database(driver_opt->answer,
database_opt->answer);
if (driver == NULL) {
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
fi->database, fi->driver);
}
db_set_error_handler_driver(driver);
/* check if target table already exists */
G_debug(3, "Output vector table <%s>, driver: <%s>, database: <%s>",
outvect->answer, db_get_default_driver_name(),
db_get_default_database_name());
if (!same_table_flag->answer &&
db_table_exists(db_get_default_driver_name(),
db_get_default_database_name(), outvect->answer) == 1)
G_fatal_error(_("Output vector map, table <%s> (driver: <%s>, database: <%s>) "
"already exists"), outvect->answer,
db_get_default_driver_name(),
db_get_default_database_name());
if (keycol_opt->answer) {
int coltype;
coltype = db_column_Ctype(driver, table_opt->answer, keycol_opt->answer);
if (coltype == -1)
G_fatal_error(_("Column <%s> not found in table <%s>"),
keycol_opt->answer, table_opt->answer);
if (coltype != DB_C_TYPE_INT)
G_fatal_error(_("Data type of key column must be integer"));
}
else {
if (same_table_flag->answer) {
G_fatal_error(_("Option <%s> must be specified when -%c flag is given"),
keycol_opt->key, same_table_flag->key);
}
if (strcmp(db_get_default_driver_name(), "sqlite") != 0)
G_fatal_error(_("Unable to define key column. This operation is not supported "
"by <%s> driver. You need to define <%s> option."),
fi->driver, keycol_opt->key);
}
/* Open select cursor */
sprintf(buf, "SELECT %s, %s", xcol_opt->answer, ycol_opt->answer);
db_set_string(&sql, buf);
if (with_z) {
sprintf(buf, ", %s", zcol_opt->answer);
db_append_string(&sql, buf);
}
if (keycol_opt->answer) {
sprintf(buf, ", %s", keycol_opt->answer);
db_append_string(&sql, buf);
}
sprintf(buf, " FROM %s", table_opt->answer);
db_append_string(&sql, buf);
if (where_opt->answer) {
sprintf(buf, " WHERE %s", where_opt->answer);
db_append_string(&sql, buf);
}
G_debug(2, "SQL: %s", db_get_string(&sql));
if (db_open_select_cursor(driver, &sql, &cursor, DB_SEQUENTIAL) != DB_OK) {
G_fatal_error(_("Unable to open select cursor: '%s'"),
db_get_string(&sql));
}
table = db_get_cursor_table(&cursor);
nrows = db_get_num_rows(&cursor);
G_debug(2, "%d points selected", nrows);
count = cat = 0;
G_message(_("Writing features..."));
while (db_fetch(&cursor, DB_NEXT, &more) == DB_OK && more) {
G_percent(count, nrows, 2);
/* key column */
if (keycol_opt->answer) {
column = db_get_table_column(table, with_z ? 3 : 2);
ctype = db_sqltype_to_Ctype(db_get_column_sqltype(column));
if (ctype != DB_C_TYPE_INT)
G_fatal_error(_("Key column must be integer"));
value = db_get_column_value(column);
cat = db_get_value_int(value);
}
else {
cat++;
}
/* coordinates */
for (i = 0; i < ncoor; i++) {
column = db_get_table_column(table, i);
ctype = db_sqltype_to_Ctype(db_get_column_sqltype(column));
if (ctype != DB_C_TYPE_INT && ctype != DB_C_TYPE_DOUBLE)
G_fatal_error(_("x/y/z column must be integer or double"));
value = db_get_column_value(column);
if (ctype == DB_C_TYPE_INT)
coor[i] = (double)db_get_value_int(value);
else
coor[i] = db_get_value_double(value);
}
Vect_reset_line(Points);
Vect_reset_cats(Cats);
Vect_append_point(Points, coor[0], coor[1], coor[2]);
Vect_cat_set(Cats, 1, cat);
Vect_write_line(&Map, GV_POINT, Points, Cats);
count++;
}
G_percent(1, 1, 1);
/* close connection to input DB before copying attributes */
db_close_database_shutdown_driver(driver);
/* Copy table */
if (!same_table_flag->answer) {
G_message(_("Copying attributes..."));
if (DB_FAILED == db_copy_table_where(driver_opt->answer, database_opt->answer,
table_opt->answer,
fi->driver, fi->database, fi->table,
where_opt->answer)) { /* where can be NULL */
G_warning(_("Unable to copy table"));
}
else {
Vect_map_add_dblink(&Map, 1, NULL, fi->table,
keycol_opt->answer ? keycol_opt->answer : GV_KEY_COLUMN,
fi->database, fi->driver);
}
if (!keycol_opt->answer) {
/* TODO: implement for all DB drivers in generic way if
* possible */
driver = db_start_driver_open_database(fi->driver, fi->database);
if (driver == NULL) {
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
fi->database, fi->driver);
}
db_set_error_handler_driver(driver);
/* add key column */
sprintf(buf, "ALTER TABLE %s ADD COLUMN %s INTEGER",
fi->table, GV_KEY_COLUMN);
db_set_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK) {
G_fatal_error(_("Unable to add key column <%s>: "
"SERIAL type is not supported by <%s>"),
GV_KEY_COLUMN, fi->driver);
}
/* update key column */
sprintf(buf, "UPDATE %s SET %s = _ROWID_",
fi->table, GV_KEY_COLUMN);
db_set_string(&sql, buf);
if (db_execute_immediate(driver, &sql) != DB_OK) {
G_fatal_error(_("Failed to update key column <%s>"),
GV_KEY_COLUMN);
}
}
}
else {
/* do not copy attributes, link original table */
Vect_map_add_dblink(&Map, 1, NULL, table_opt->answer,
keycol_opt->answer ? keycol_opt->answer : GV_KEY_COLUMN,
database_opt->answer, driver_opt->answer);
}
Vect_build(&Map);
Vect_close(&Map);
G_done_msg(_n("%d point written to vector map.",
"%d points written to vector map.",
count), count);
return (EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
int i, j, nlines, type, field, cat;
int fd;
/* struct Categories RCats; *//* TODO */
struct Cell_head window;
RASTER_MAP_TYPE out_type;
CELL *cell;
DCELL *dcell;
double drow, dcol;
char buf[2000];
struct Option *vect_opt, *rast_opt, *field_opt, *col_opt, *where_opt;
int Cache_size;
struct order *cache;
int cur_row;
struct GModule *module;
struct Map_info Map;
struct line_pnts *Points;
struct line_cats *Cats;
int point;
int point_cnt; /* number of points in cache */
int outside_cnt; /* points outside region */
int nocat_cnt; /* points inside region but without category */
int dupl_cnt; /* duplicate categories */
struct bound_box box;
int *catexst, *cex;
struct field_info *Fi;
dbString stmt;
dbDriver *driver;
int select, norec_cnt, update_cnt, upderr_cnt, col_type;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("raster"));
G_add_keyword(_("position"));
G_add_keyword(_("querying"));
G_add_keyword(_("attribute table"));
module->description =
_("Uploads raster values at positions of vector points to the table.");
vect_opt = G_define_standard_option(G_OPT_V_INPUT);
vect_opt->key = "vector";
vect_opt->description =
_("Name of input vector points map for which to edit attribute table");
rast_opt = G_define_standard_option(G_OPT_R_INPUT);
rast_opt->key = "raster";
rast_opt->description = _("Name of existing raster map to be queried");
field_opt = G_define_standard_option(G_OPT_V_FIELD);
col_opt = G_define_option();
col_opt->key = "column";
col_opt->type = TYPE_STRING;
col_opt->required = YES;
col_opt->description =
_("Column name (will be updated by raster values)");
where_opt = G_define_standard_option(G_OPT_DB_WHERE);
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
field = atoi(field_opt->answer);
db_init_string(&stmt);
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
G_get_window(&window);
Vect_region_box(&window, &box); /* T and B set to +/- PORT_DOUBLE_MAX */
/* Open vector */
Vect_set_open_level(2);
Vect_open_old(&Map, vect_opt->answer, "");
Fi = Vect_get_field(&Map, field);
if (Fi == NULL)
G_fatal_error(_("Database connection not defined for layer %d"),
field);
/* Open driver */
driver = db_start_driver_open_database(Fi->driver, Fi->database);
if (driver == NULL) {
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Fi->database, Fi->driver);
}
/* Open raster */
fd = Rast_open_old(rast_opt->answer, "");
out_type = Rast_get_map_type(fd);
/* TODO: Later possibly category labels */
/*
if ( Rast_read_cats (name, "", &RCats) < 0 )
G_fatal_error ( "Cannot read category file");
*/
/* Check column type */
col_type = db_column_Ctype(driver, Fi->table, col_opt->answer);
if (col_type == -1)
G_fatal_error(_("Column <%s> not found"), col_opt->answer);
if (col_type != DB_C_TYPE_INT && col_type != DB_C_TYPE_DOUBLE)
G_fatal_error(_("Column type not supported"));
if (out_type == CELL_TYPE && col_type == DB_C_TYPE_DOUBLE)
G_warning(_("Raster type is integer and column type is float"));
if (out_type != CELL_TYPE && col_type == DB_C_TYPE_INT)
G_warning(_("Raster type is float and column type is integer, some data lost!!"));
/* Read vector points to cache */
Cache_size = Vect_get_num_primitives(&Map, GV_POINT);
/* Note: Some space may be wasted (outside region or no category) */
cache = (struct order *)G_calloc(Cache_size, sizeof(struct order));
point_cnt = outside_cnt = nocat_cnt = 0;
nlines = Vect_get_num_lines(&Map);
G_debug(1, "Reading %d vector features fom map", nlines);
for (i = 1; i <= nlines; i++) {
type = Vect_read_line(&Map, Points, Cats, i);
G_debug(4, "line = %d type = %d", i, type);
/* check type */
if (!(type & GV_POINT))
continue; /* Points only */
/* check region */
if (!Vect_point_in_box(Points->x[0], Points->y[0], 0.0, &box)) {
outside_cnt++;
continue;
}
Vect_cat_get(Cats, field, &cat);
if (cat < 0) { /* no category of given field */
nocat_cnt++;
continue;
}
G_debug(4, " cat = %d", cat);
/* Add point to cache */
drow = Rast_northing_to_row(Points->y[0], &window);
dcol = Rast_easting_to_col(Points->x[0], &window);
/* a special case.
* if north falls at southern edge, or east falls on eastern edge,
* the point will appear outside the window.
* So, for these edges, bring the point inside the window
*/
if (drow == window.rows)
drow--;
if (dcol == window.cols)
dcol--;
cache[point_cnt].row = (int)drow;
cache[point_cnt].col = (int)dcol;
cache[point_cnt].cat = cat;
cache[point_cnt].count = 1;
point_cnt++;
}
Vect_set_db_updated(&Map);
Vect_hist_command(&Map);
Vect_close(&Map);
G_debug(1, "Read %d vector points", point_cnt);
/* Cache may contain duplicate categories, sort by cat, find and remove duplicates
* and recalc count and decrease point_cnt */
qsort(cache, point_cnt, sizeof(struct order), by_cat);
G_debug(1, "Points are sorted, starting duplicate removal loop");
for (i = 0, j = 1; j < point_cnt; j++)
if (cache[i].cat != cache[j].cat)
cache[++i] = cache[j];
else
cache[i].count++;
point_cnt = i + 1;
G_debug(1, "%d vector points left after removal of duplicates",
point_cnt);
/* Report number of points not used */
if (outside_cnt)
G_warning(_("%d points outside current region were skipped"),
outside_cnt);
if (nocat_cnt)
G_warning(_("%d points without category were skipped"), nocat_cnt);
/* Sort cache by current region row */
qsort(cache, point_cnt, sizeof(struct order), by_row);
/* Allocate space for raster row */
if (out_type == CELL_TYPE)
cell = Rast_allocate_c_buf();
else
dcell = Rast_allocate_d_buf();
/* Extract raster values from file and store in cache */
G_debug(1, "Extracting raster values");
cur_row = -1;
for (point = 0; point < point_cnt; point++) {
if (cache[point].count > 1)
continue; /* duplicate cats */
if (cur_row != cache[point].row) {
if (out_type == CELL_TYPE)
Rast_get_c_row(fd, cell, cache[point].row);
else
Rast_get_d_row(fd, dcell, cache[point].row);
}
cur_row = cache[point].row;
if (out_type == CELL_TYPE) {
cache[point].value = cell[cache[point].col];
}
else {
cache[point].dvalue = dcell[cache[point].col];
}
} /* point loop */
/* Update table from cache */
G_debug(1, "Updating db table");
/* select existing categories to array (array is sorted) */
select = db_select_int(driver, Fi->table, Fi->key, NULL, &catexst);
db_begin_transaction(driver);
norec_cnt = update_cnt = upderr_cnt = dupl_cnt = 0;
for (point = 0; point < point_cnt; point++) {
if (cache[point].count > 1) {
G_warning(_("More points (%d) of category %d, value set to 'NULL'"),
cache[point].count, cache[point].cat);
dupl_cnt++;
}
/* category exist in DB ? */
cex =
(int *)bsearch((void *)&(cache[point].cat), catexst, select,
sizeof(int), srch_cat);
if (cex == NULL) { /* cat does not exist in DB */
norec_cnt++;
G_warning(_("No record for category %d in table <%s>"),
cache[point].cat, Fi->table);
continue;
}
sprintf(buf, "update %s set %s = ", Fi->table, col_opt->answer);
db_set_string(&stmt, buf);
if (out_type == CELL_TYPE) {
if (cache[point].count > 1 ||
Rast_is_c_null_value(&cache[point].value)) {
sprintf(buf, "NULL");
}
else {
sprintf(buf, "%d ", cache[point].value);
}
}
else { /* FCELL or DCELL */
if (cache[point].count > 1 ||
Rast_is_d_null_value(&cache[point].dvalue)) {
sprintf(buf, "NULL");
}
else {
sprintf(buf, "%.10f", cache[point].dvalue);
}
}
db_append_string(&stmt, buf);
sprintf(buf, " where %s = %d", Fi->key, cache[point].cat);
db_append_string(&stmt, buf);
/* user provides where condition: */
if (where_opt->answer) {
sprintf(buf, " AND %s", where_opt->answer);
db_append_string(&stmt, buf);
}
G_debug(3, db_get_string(&stmt));
/* Update table */
if (db_execute_immediate(driver, &stmt) == DB_OK) {
update_cnt++;
}
else {
upderr_cnt++;
}
}
G_debug(1, "Committing DB transaction");
db_commit_transaction(driver);
G_free(catexst);
db_close_database_shutdown_driver(driver);
db_free_string(&stmt);
/* Report */
G_message(_("%d categories loaded from table"), select);
G_message(_("%d categories loaded from vector"), point_cnt);
G_message(_("%d categories from vector missing in table"), norec_cnt);
G_message(_("%d duplicate categories in vector"), dupl_cnt);
if (!where_opt->answer)
G_message(_("%d records updated"), update_cnt);
G_message(_("%d update errors"), upderr_cnt);
exit(EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
struct GModule *module;
struct Option *out_opt, *in_opt;
struct Flag *z_flag, *circle_flag, *l_flag, *int_flag;
char buf[2000];
/* DWG */
char path[2000];
short initerror, entset, retval;
AD_OBJHANDLE pspace, mspace;
PAD_ENT_HDR adenhd;
PAD_ENT aden;
AD_VMADDR entlist;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("import"));
module->description = _("Converts DWG/DXF to GRASS vector map");
in_opt = G_define_standard_option(G_OPT_F_INPUT);
in_opt->description = _("Name of DWG or DXF file");
out_opt = G_define_standard_option(G_OPT_V_OUTPUT);
out_opt->required = YES;
layers_opt = G_define_option();
layers_opt->key = "layers";
layers_opt->type = TYPE_STRING;
layers_opt->required = NO;
layers_opt->multiple = YES;
layers_opt->description = _("List of layers to import");
invert_flag = G_define_flag();
invert_flag->key = 'i';
invert_flag->description =
_("Invert selection by layers (don't import layers in list)");
z_flag = G_define_flag();
z_flag->key = 'z';
z_flag->description = _("Create 3D vector map");
circle_flag = G_define_flag();
circle_flag->key = 'c';
circle_flag->description = _("Write circles as points (centre)");
l_flag = G_define_flag();
l_flag->key = 'l';
l_flag->description = _("List available layers and exit");
int_flag = G_define_flag();
int_flag->key = 'n';
int_flag->description = _("Use numeric type for attribute \"layer\"");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
db_init_string(&sql);
db_init_string(&str);
adenhd = (PAD_ENT_HDR) G_malloc(sizeof(AD_ENT_HDR));
aden = (PAD_ENT) G_malloc(sizeof(AD_ENT));
Layer = (PAD_LAY) G_malloc(sizeof(AD_LAY));
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
Block = NULL;
atrans = 20; /* nested, recursive levels */
Trans = (TRANS *) G_malloc(atrans * sizeof(TRANS));
/* Init OpenDWG */
sprintf(path, "%s/etc/adinit.dat", G_gisbase());
if (!adInitAd2(path, &initerror)) {
sprintf(buf, _("Unable to initialize OpenDWG Toolkit, error: %d: %s."),
initerror, adErrorStr(initerror));
if (initerror == AD_UNABLE_TO_OPEN_INIT_FILE)
sprintf(buf, _("%s Cannot open %s"), buf, path);
G_fatal_error(buf);
}
adSetupDwgRead();
adSetupDxfRead();
/* Open input file */
if ((dwghandle = adLoadFile(in_opt->answer, AD_PRELOAD_ALL, 1)) == NULL) {
G_fatal_error(_("Unable to open input file <%s>. Error %d: %s"),
in_opt->answer, adError(),
adErrorStr(adError()));
}
if (l_flag->answer) { /* List layers */
PAD_TB adtb;
AD_DWGHDR adhd;
int i;
char on, frozen, vpfrozen, locked;
adtb = (PAD_TB) G_malloc(sizeof(AD_TB));
G_debug(2, "%d layers", (int)adNumLayers(dwghandle));
adReadHeaderBlock(dwghandle, &adhd);
adStartLayerGet(dwghandle);
fprintf(stdout, "%d layers:\n", (int)adNumLayers(dwghandle));
for (i = 0; i < (int)adNumLayers(dwghandle); i++) {
adGetLayer(dwghandle, &(adtb->lay));
if (!adtb->lay.purgedflag) {
fprintf(stdout, "%s COLOR %d, ", adtb->lay.name,
adtb->lay.color);
}
adGetLayerState(dwghandle, adtb->lay.objhandle, &on, &frozen,
&vpfrozen, &locked);
if (on)
fprintf(stdout, "ON, ");
else
fprintf(stdout, "OFF, ");
if (frozen)
fprintf(stdout, "FROZEN, ");
else
fprintf(stdout, "THAWED, ");
if (vpfrozen)
fprintf(stdout, "VPFROZEN, ");
else
fprintf(stdout, "VPTHAWED, ");
if (locked)
fprintf(stdout, "LOCKED\n");
else
fprintf(stdout, "UNLOCKED\n");
}
adCloseFile(dwghandle);
adCloseAd2();
exit(EXIT_SUCCESS);
}
/* open output vector */
if (Vect_open_new(&Map, out_opt->answer, z_flag->answer) < 0)
G_fatal_error(_("Unable to create vector map <%s>"), out_opt->answer);
Vect_hist_command(&Map);
/* Add DB link */
Fi = Vect_default_field_info(&Map, 1, NULL, GV_1TABLE);
Vect_map_add_dblink(&Map, 1, NULL, Fi->table, GV_KEY_COLUMN, Fi->database,
Fi->driver);
driver =
db_start_driver_open_database(Fi->driver,
Vect_subst_var(Fi->database, &Map));
if (driver == NULL) {
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Vect_subst_var(Fi->database, &Map), Fi->driver);
}
db_set_error_handler_driver(driver);
db_begin_transaction(driver);
/* Create table */
if (int_flag->answer) { /* List layers */
sprintf(buf,
"create table %s ( cat integer, entity_name varchar(20), color int, weight int, "
"layer real, block varchar(100), txt varchar(100) )",
Fi->table);
}
else {
sprintf(buf,
"create table %s ( cat integer, entity_name varchar(20), color int, weight int, "
"layer varchar(100), block varchar(100), txt varchar(100) )",
Fi->table);
}
db_set_string(&sql, buf);
G_debug(3, db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error(_("Unable to create table: '%s'"), db_get_string(&sql));
}
if (db_create_index2(driver, Fi->table, GV_KEY_COLUMN) != DB_OK)
G_warning(_("Unable to create index for table <%s>, key <%s>"),
Fi->table, GV_KEY_COLUMN);
if (db_grant_on_table
(driver, Fi->table, DB_PRIV_SELECT, DB_GROUP | DB_PUBLIC) != DB_OK)
G_fatal_error(_("Unable to grant privileges on table <%s>"),
Fi->table);
cat = 1;
n_elements = n_skipped = 0;
/* Write each entity. Some entities may be composed by other entities (like INSERT or BLOCK) */
/* Set transformation for first (index 0) level */
Trans[0].dx = Trans[0].dy = Trans[0].dz = 0;
Trans[0].xscale = Trans[0].yscale = Trans[0].zscale = 1;
Trans[0].rotang = 0;
if (adGetBlockHandle(dwghandle, pspace, AD_PAPERSPACE_HANDLE)) {
entlist = adEntityList(dwghandle, pspace);
adStartEntityGet(entlist);
for (entset = 0; entset < 2; entset++) {
do {
if (!(retval = adGetEntity(entlist, adenhd, aden)))
continue;
wrentity(adenhd, aden, 0, entlist, circle_flag->answer);
} while (retval == 1);
if (entset == 0) {
if (adGetBlockHandle(dwghandle, mspace, AD_MODELSPACE_HANDLE)) {
entlist = adEntityList(dwghandle, mspace);
adStartEntityGet(entlist);
}
}
}
}
db_commit_transaction(driver);
db_close_database_shutdown_driver(driver);
adCloseFile(dwghandle);
adCloseAd2();
Vect_build(&Map, stderr);
Vect_close(&Map);
if (n_skipped > 0)
G_message(_("%d elements skipped (layer name was not in list)"),
n_skipped);
G_done_msg(_("%d elements processed"), n_elements);
exit(EXIT_SUCCESS);
}
int close_streamvect(char *stream_vect)
{
int r, c, r_nbr, c_nbr, done;
GW_LARGE_INT i;
CELL stream_id, stream_nbr;
ASP_FLAG af;
int next_node;
struct sstack
{
int stream_id;
int next_trib;
} *nodestack;
int top = 0, stack_step = 1000;
int asp_r[9] = { 0, -1, -1, -1, 0, 1, 1, 1, 0 };
int asp_c[9] = { 0, 1, 0, -1, -1, -1, 0, 1, 1 };
struct Map_info Out;
static struct line_pnts *Points;
struct line_cats *Cats;
dbDriver *driver;
dbHandle handle;
dbString table_name, dbsql, valstr;
struct field_info *Fi;
char *cat_col_name = "cat", buf[2000];
struct Cell_head window;
double north_offset, west_offset, ns_res, ew_res;
int next_cat;
G_message(_("Writing vector map <%s>..."), stream_vect);
if (Vect_open_new(&Out, stream_vect, 0) < 0)
G_fatal_error(_("Unable to create vector map <%s>"), stream_vect);
nodestack = (struct sstack *)G_malloc(stack_step * sizeof(struct sstack));
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
G_get_set_window(&window);
ns_res = window.ns_res;
ew_res = window.ew_res;
north_offset = window.north - 0.5 * ns_res;
west_offset = window.west + 0.5 * ew_res;
next_cat = n_stream_nodes + 1;
for (i = 0; i < n_outlets; i++, next_cat++) {
G_percent(i, n_outlets, 2);
r = outlets[i].r;
c = outlets[i].c;
cseg_get(&stream, &stream_id, r, c);
if (!stream_id)
continue;
Vect_reset_line(Points);
Vect_reset_cats(Cats);
/* outlet */
Vect_cat_set(Cats, 1, stream_id);
Vect_cat_set(Cats, 2, 2);
Vect_append_point(Points, west_offset + c * ew_res,
north_offset - r * ns_res, 0);
Vect_write_line(&Out, GV_POINT, Points, Cats);
/* add root node to stack */
G_debug(3, "add root node");
top = 0;
nodestack[top].stream_id = stream_id;
nodestack[top].next_trib = 0;
/* depth first post order traversal */
G_debug(3, "traverse");
while (top >= 0) {
done = 1;
stream_id = nodestack[top].stream_id;
G_debug(3, "stream_id %d", stream_id);
if (nodestack[top].next_trib < stream_node[stream_id].n_trib) {
/* add to stack */
next_node =
stream_node[stream_id].trib[nodestack[top].next_trib];
G_debug(3, "add to stack: next %d, trib %d, n trib %d",
next_node, nodestack[top].next_trib,
stream_node[stream_id].n_trib);
nodestack[top].next_trib++;
top++;
if (top >= stack_step) {
/* need more space */
stack_step += 1000;
nodestack =
(struct sstack *)G_realloc(nodestack,
stack_step *
sizeof(struct sstack));
}
nodestack[top].next_trib = 0;
nodestack[top].stream_id = next_node;
done = 0;
G_debug(3, "go further down");
}
if (done) {
G_debug(3, "write stream segment");
Vect_reset_line(Points);
Vect_reset_cats(Cats);
r_nbr = stream_node[stream_id].r;
c_nbr = stream_node[stream_id].c;
cseg_get(&stream, &stream_nbr, r_nbr, c_nbr);
if (stream_nbr <= 0)
G_fatal_error(_("Stream id %d not set, top is %d, parent is %d"),
stream_id, top, nodestack[top - 1].stream_id);
Vect_cat_set(Cats, 1, stream_id);
if (stream_node[stream_id].n_trib == 0)
Vect_cat_set(Cats, 2, 0);
else
Vect_cat_set(Cats, 2, 1);
Vect_append_point(Points, west_offset + c_nbr * ew_res,
north_offset - r_nbr * ns_res, 0);
Vect_write_line(&Out, GV_POINT, Points, Cats);
seg_get(&aspflag, (char *)&af, r_nbr, c_nbr);
while (af.asp > 0) {
r_nbr = r_nbr + asp_r[(int)af.asp];
c_nbr = c_nbr + asp_c[(int)af.asp];
cseg_get(&stream, &stream_nbr, r_nbr, c_nbr);
if (stream_nbr <= 0)
G_fatal_error(_("Stream id not set while tracing"));
Vect_append_point(Points, west_offset + c_nbr * ew_res,
north_offset - r_nbr * ns_res, 0);
if (stream_nbr != stream_id) {
/* first point of parent stream */
break;
}
seg_get(&aspflag, (char *)&af, r_nbr, c_nbr);
}
Vect_write_line(&Out, GV_LINE, Points, Cats);
top--;
}
}
}
G_percent(n_outlets, n_outlets, 1); /* finish it */
G_message(_("Writing attribute data..."));
/* Prepeare strings for use in db_* calls */
db_init_string(&dbsql);
db_init_string(&valstr);
db_init_string(&table_name);
db_init_handle(&handle);
/* Preparing database for use */
/* Create database for new vector map */
Fi = Vect_default_field_info(&Out, 1, NULL, GV_1TABLE);
driver = db_start_driver_open_database(Fi->driver,
Vect_subst_var(Fi->database,
&Out));
if (driver == NULL) {
G_fatal_error(_("Unable to start driver <%s>"), Fi->driver);
}
db_set_error_handler_driver(driver);
G_debug(1, "table: %s", Fi->table);
G_debug(1, "driver: %s", Fi->driver);
G_debug(1, "database: %s", Fi->database);
sprintf(buf,
"create table %s (%s integer, stream_type varchar(20), type_code integer)",
Fi->table, cat_col_name);
db_set_string(&dbsql, buf);
if (db_execute_immediate(driver, &dbsql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error(_("Unable to create table: '%s'"), db_get_string(&dbsql));
}
if (db_create_index2(driver, Fi->table, cat_col_name) != DB_OK)
G_warning(_("Unable to create index on table <%s>"), Fi->table);
if (db_grant_on_table(driver, Fi->table, DB_PRIV_SELECT,
DB_GROUP | DB_PUBLIC) != DB_OK)
G_fatal_error(_("Unable to grant privileges on table <%s>"), Fi->table);
db_begin_transaction(driver);
/* stream nodes */
for (i = 1; i <= n_stream_nodes; i++) {
sprintf(buf, "insert into %s values ( %lld, \'%s\', %d )",
Fi->table, i,
(stream_node[i].n_trib > 0 ? "intermediate" : "start"),
(stream_node[i].n_trib > 0));
db_set_string(&dbsql, buf);
if (db_execute_immediate(driver, &dbsql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error(_("Unable to insert new row: '%s'"),
db_get_string(&dbsql));
}
}
db_commit_transaction(driver);
db_close_database_shutdown_driver(driver);
Vect_map_add_dblink(&Out, 1, NULL, Fi->table,
cat_col_name, Fi->database, Fi->driver);
G_debug(1, "close vector");
Vect_hist_command(&Out);
Vect_build(&Out);
Vect_close(&Out);
G_free(nodestack);
return 1;
}
int main(int argc, char *argv[])
{
struct Map_info In, Out;
static struct line_pnts *Points;
struct line_cats *Cats;
struct GModule *module; /* GRASS module for parsing arguments */
struct Option *map_in, *map_out;
struct Option *method_opt, *afield_opt, *nfield_opt, *abcol,
*afcol, *ncol;
struct Flag *add_f;
int with_z;
int afield, nfield, mask_type;
dglGraph_s *graph;
int *component, nnodes, type, i, nlines, components, max_cat;
char buf[2000], *covered;
char *desc;
/* Attribute table */
dbString sql;
dbDriver *driver;
struct field_info *Fi;
/* initialize GIS environment */
G_gisinit(argv[0]); /* reads grass env, stores program name to G_program_name() */
/* initialize module */
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("network"));
G_add_keyword(_("components"));
module->description =
_("Computes strongly and weakly connected components in the network.");
/* Define the different options as defined in gis.h */
map_in = G_define_standard_option(G_OPT_V_INPUT);
afield_opt = G_define_standard_option(G_OPT_V_FIELD);
afield_opt->key = "arc_layer";
afield_opt->answer = "1";
afield_opt->label = _("Arc layer");
afield_opt->guisection = _("Cost");
nfield_opt = G_define_standard_option(G_OPT_V_FIELD);
nfield_opt->key = "node_layer";
nfield_opt->answer = "2";
nfield_opt->label = _("Node layer");
nfield_opt->guisection = _("Cost");
afcol = G_define_standard_option(G_OPT_DB_COLUMN);
afcol->key = "arc_column";
afcol->required = NO;
afcol->description =
_("Arc forward/both direction(s) cost column (number)");
afcol->guisection = _("Cost");
abcol = G_define_standard_option(G_OPT_DB_COLUMN);
abcol->key = "arc_backward_column";
abcol->required = NO;
abcol->description = _("Arc backward direction cost column (number)");
abcol->guisection = _("Cost");
ncol = G_define_option();
ncol->key = "node_column";
ncol->type = TYPE_STRING;
ncol->required = NO;
ncol->description = _("Node cost column (number)");
ncol->guisection = _("Cost");
map_out = G_define_standard_option(G_OPT_V_OUTPUT);
method_opt = G_define_option();
method_opt->key = "method";
method_opt->type = TYPE_STRING;
method_opt->required = YES;
method_opt->multiple = NO;
method_opt->options = "weak,strong";
desc = NULL;
G_asprintf(&desc,
"weak;%s;strong;%s",
_("Weakly connected components"),
_("Strongly connected components"));
method_opt->descriptions = desc;
method_opt->description = _("Type of components");
add_f = G_define_flag();
add_f->key = 'a';
add_f->description = _("Add points on nodes");
/* options and flags parser */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/* TODO: make an option for this */
mask_type = GV_LINE | GV_BOUNDARY;
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
Vect_check_input_output_name(map_in->answer, map_out->answer,
G_FATAL_EXIT);
Vect_set_open_level(2);
if (1 > Vect_open_old(&In, map_in->answer, ""))
G_fatal_error(_("Unable to open vector map <%s>"), map_in->answer);
with_z = Vect_is_3d(&In);
if (0 > Vect_open_new(&Out, map_out->answer, with_z)) {
Vect_close(&In);
G_fatal_error(_("Unable to create vector map <%s>"), map_out->answer);
}
/* parse filter option and select appropriate lines */
afield = Vect_get_field_number(&In, afield_opt->answer);
nfield = Vect_get_field_number(&In, nfield_opt->answer);
if (0 != Vect_net_build_graph(&In, mask_type, afield, nfield, afcol->answer,
abcol->answer, ncol->answer, 0, 2))
G_fatal_error(_("Unable to build graph for vector map <%s>"), Vect_get_full_name(&In));
graph = Vect_net_get_graph(&In);
nnodes = Vect_get_num_nodes(&In);
component = (int *)G_calloc(nnodes + 1, sizeof(int));
covered = (char *)G_calloc(nnodes + 1, sizeof(char));
if (!component || !covered) {
G_fatal_error(_("Out of memory"));
exit(EXIT_FAILURE);
}
/* Create table */
Fi = Vect_default_field_info(&Out, 1, NULL, GV_1TABLE);
Vect_map_add_dblink(&Out, 1, NULL, Fi->table, GV_KEY_COLUMN, Fi->database,
Fi->driver);
db_init_string(&sql);
driver = db_start_driver_open_database(Fi->driver, Fi->database);
if (driver == NULL)
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Fi->database, Fi->driver);
sprintf(buf, "create table %s ( cat integer, comp integer)", Fi->table);
db_set_string(&sql, buf);
G_debug(2, "%s", db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database_shutdown_driver(driver);
G_fatal_error(_("Unable to create table: '%s'"), db_get_string(&sql));
}
if (db_create_index2(driver, Fi->table, GV_KEY_COLUMN) != DB_OK)
G_warning(_("Cannot create index"));
if (db_grant_on_table
(driver, Fi->table, DB_PRIV_SELECT, DB_GROUP | DB_PUBLIC) != DB_OK)
G_fatal_error(_("Cannot grant privileges on table <%s>"), Fi->table);
db_begin_transaction(driver);
if (method_opt->answer[0] == 'w') {
G_message(_("Computing weakly connected components..."));
components = NetA_weakly_connected_components(graph, component);
}
else {
G_message(_("Computing strongly connected components..."));
components = NetA_strongly_connected_components(graph, component);
}
G_debug(3, "Components: %d", components);
G_message(_("Writing output..."));
Vect_copy_head_data(&In, &Out);
Vect_hist_copy(&In, &Out);
Vect_hist_command(&Out);
nlines = Vect_get_num_lines(&In);
max_cat = 1;
G_percent(0, nlines, 4);
for (i = 1; i <= nlines; i++) {
int comp, cat;
G_percent(i, nlines, 4);
type = Vect_read_line(&In, Points, Cats, i);
if (!Vect_cat_get(Cats, afield, &cat))
continue;
if (type == GV_LINE || type == GV_BOUNDARY) {
int node1, node2;
Vect_get_line_nodes(&In, i, &node1, &node2);
if (component[node1] == component[node2]) {
comp = component[node1];
}
else {
continue;
}
}
else if (type == GV_POINT) {
int node;
/* Vect_get_line_nodes(&In, i, &node, NULL); */
node = Vect_find_node(&In, Points->x[0], Points->y[0], Points->z[0], 0, 0);
if (!node)
continue;
comp = component[node];
covered[node] = 1;
}
else
continue;
cat = max_cat++;
Vect_reset_cats(Cats);
Vect_cat_set(Cats, 1, cat);
Vect_write_line(&Out, type, Points, Cats);
insert_new_record(driver, Fi, &sql, cat, comp);
}
/*add points on nodes not covered by any point in the network */
if (add_f->answer) {
for (i = 1; i <= nnodes; i++)
if (!covered[i]) {
Vect_reset_cats(Cats);
Vect_cat_set(Cats, 1, max_cat);
NetA_add_point_on_node(&In, &Out, i, Cats);
insert_new_record(driver, Fi, &sql, max_cat++, component[i]);
}
}
db_commit_transaction(driver);
db_close_database_shutdown_driver(driver);
Vect_close(&In);
Vect_build(&Out);
Vect_close(&Out);
G_done_msg(_("Found %d components."), components);
exit(EXIT_SUCCESS);
}
int line_area(struct Map_info *In, int *field, struct Map_info *Tmp,
struct Map_info *Out, struct field_info *Fi,
dbDriver * driver, int operator, int *ofield,
ATTRIBUTES * attr, struct ilist *BList)
{
int line, nlines, ncat;
struct line_pnts *Points;
struct line_cats *Cats, *ACats, *OCats;
char buf[1000];
dbString stmt;
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
ACats = Vect_new_cats_struct();
OCats = Vect_new_cats_struct();
db_init_string(&stmt);
G_message(_("Breaking lines..."));
Vect_break_lines_list(Tmp, NULL, BList, GV_LINE | GV_BOUNDARY, NULL);
/*
G_message(_("Merging lines..."));
Vect_merge_lines(Tmp, GV_LINE, NULL, NULL);
*/
nlines = Vect_get_num_lines(Tmp);
/* Warning!: cleaning process (break) creates new vertices which are usually slightly
* moved (RE), to compare such new vertex with original input is a problem?
*
* TODO?: would it be better to copy centroids also and query output map?
*/
/* Check if the line is inside or outside binput area */
G_message(_("Selecting lines..."));
ncat = 1;
for (line = 1; line <= nlines; line++) {
int ltype;
G_percent(line, nlines, 1); /* must be before any continue */
if (!Vect_line_alive(Tmp, line))
continue;
ltype = Vect_get_line_type(Tmp, line);
if (ltype == GV_BOUNDARY) { /* No more needed */
continue;
}
/* Now the type should be only GV_LINE */
/* Decide if the line is inside or outside the area. In theory:
* 1) All vertices outside
* - easy, first vertex must be outside
* 2) All vertices inside
* 3) All vertices on the boundary, we take it as inside (attention,
* result of Vect_point_in_area() for points on segments between vertices may be both
* inside or outside, because of representation of numbers)
* 4) One or two end vertices on the boundary, all others outside
* 5) One or two end vertices on the boundary, all others inside
*
*/
/* Note/TODO: the test done is quite simple, check the point in the middle of segment.
* If the line overlaps the boundary, the result may be both outside and inside
* this should be solved (check angles?)
* This should not happen if Vect_break_lines_list() works correctly
*/
/* merge here */
merge_line(Tmp, line, Points, Cats);
G_debug(3, "line = %d", line);
point_area(&(In[1]), field[1], (Points->x[0] + Points->x[1]) / 2,
(Points->y[0] + Points->y[1]) / 2, ACats);
if ((ACats->n_cats > 0 && operator == OP_AND) ||
(ACats->n_cats == 0 && operator == OP_NOT)) {
int i;
/* Point is inside */
G_debug(3, "OK, write line, line ncats = %d area ncats = %d",
Cats->n_cats, ACats->n_cats);
Vect_reset_cats(OCats);
if (ofield[0] > 0) {
/* rewrite with all combinations of acat - bcat (-1 in cycle for null) */
for (i = -1; i < Cats->n_cats; i++) { /* line cats */
int j;
if (i == -1 && Cats->n_cats > 0)
continue; /* no need to make null */
for (j = -1; j < ACats->n_cats; j++) {
if (j == -1 && ACats->n_cats > 0)
continue; /* no need to make null */
if (ofield[0] > 0)
Vect_cat_set(OCats, ofield[0], ncat);
/* Attributes */
if (driver) {
ATTR *at;
sprintf(buf, "insert into %s values ( %d", Fi->table,
ncat);
db_set_string(&stmt, buf);
/* cata */
if (i >= 0) {
if (attr[0].columns) {
at = find_attr(&(attr[0]), Cats->cat[i]);
if (!at)
G_fatal_error(_("Attribute not found"));
if (at->values)
db_append_string(&stmt, at->values);
else
db_append_string(&stmt,
attr[0].null_values);
}
else {
sprintf(buf, ", %d", Cats->cat[i]);
db_append_string(&stmt, buf);
}
}
else {
if (attr[0].columns) {
db_append_string(&stmt, attr[0].null_values);
}
else {
sprintf(buf, ", null");
db_append_string(&stmt, buf);
}
}
/* catb */
if (j >= 0) {
if (attr[1].columns) {
at = find_attr(&(attr[1]), ACats->cat[j]);
if (!at)
G_fatal_error(_("Attribute not found"));
if (at->values)
db_append_string(&stmt, at->values);
else
db_append_string(&stmt,
attr[1].null_values);
}
else {
sprintf(buf, ", %d", ACats->cat[j]);
db_append_string(&stmt, buf);
}
}
else {
if (attr[1].columns) {
db_append_string(&stmt, attr[1].null_values);
}
else {
sprintf(buf, ", null");
db_append_string(&stmt, buf);
}
}
db_append_string(&stmt, " )");
G_debug(3, "%s", db_get_string(&stmt));
if (db_execute_immediate(driver, &stmt) != DB_OK)
G_warning(_("Unable to insert new record: '%s'"),
db_get_string(&stmt));
}
ncat++;
}
}
}
/* Add cats from input vectors */
if (ofield[1] > 0 && field[0] > 0) {
for (i = 0; i < Cats->n_cats; i++) {
if (Cats->field[i] == field[0])
Vect_cat_set(OCats, ofield[1], Cats->cat[i]);
}
}
if (ofield[2] > 0 && field[1] > 0 && ofield[1] != ofield[2]) {
for (i = 0; i < ACats->n_cats; i++) {
if (ACats->field[i] == field[1])
Vect_cat_set(OCats, ofield[2], ACats->cat[i]);
}
}
Vect_write_line(Out, ltype, Points, OCats);
}
}
return 0;
}
int write_line(PAD_ENT_HDR adenhd, int type, int level)
{
int i, l;
double x, y, z, r, ang;
adSeekLayer(dwghandle, adenhd->entlayerobjhandle, Layer);
/* Transformation, go up through all levels of transformation */
/* not sure what is the right order of transformation */
for (l = level; l >= 0; l--) {
for (i = 0; i < Points->n_points; i++) {
/* scale */
x = Points->x[i] * Trans[l].xscale;
y = Points->y[i] * Trans[l].yscale;
z = Points->z[i] * Trans[l].zscale;
/* rotate */
r = sqrt(x * x + y * y);
ang = atan2(y, x) + Trans[l].rotang;
x = r * cos(ang);
y = r * sin(ang);
/* move */
x += Trans[l].dx;
y += Trans[l].dy;
z += Trans[l].dz;
Points->x[i] = x;
Points->y[i] = y;
Points->z[i] = z;
}
}
Vect_reset_cats(Cats);
Vect_cat_set(Cats, 1, cat);
Vect_write_line(&Map, type, Points, Cats);
/* Cat */
sprintf(buf, "insert into %s values ( %d", Fi->table, cat);
db_set_string(&sql, buf);
/* Entity name */
getEntTypeName(adenhd, buf2);
sprintf(buf, ", '%s'", buf2);
db_append_string(&sql, buf);
/* Color */
sprintf(buf, ", %d", adenhd->entcolor);
db_append_string(&sql, buf);
/* Weight */
sprintf(buf, ", %d", adenhd->lineweight);
db_append_string(&sql, buf);
/* Layer name */
if (!Layer->purgedflag && Layer->name != NULL) {
db_set_string(&str, Layer->name);
db_double_quote_string(&str);
sprintf(buf, ", '%s'", db_get_string(&str));
}
else {
sprintf(buf, ", ''");
}
db_append_string(&sql, buf);
/* Block name */
if (Block != NULL) {
db_set_string(&str, Block);
db_double_quote_string(&str);
}
else {
db_set_string(&str, "");
}
sprintf(buf, ", '%s'", db_get_string(&str));
db_append_string(&sql, buf);
/* Text */
if (Txt != NULL) {
db_set_string(&str, Txt);
db_double_quote_string(&str);
}
else {
db_set_string(&str, "");
}
sprintf(buf, ", '%s'", db_get_string(&str));
db_append_string(&sql, buf);
db_append_string(&sql, ")");
G_debug(3, db_get_string(&sql));
if (db_execute_immediate(driver, &sql) != DB_OK) {
db_close_database(driver);
db_shutdown_driver(driver);
G_fatal_error("Cannot insert new row: %s", db_get_string(&sql));
}
cat++;
return 0;
}