/** add points to the visibility graph
*/
void add_points(char **coor, struct Point **points, int *index_point)
{
int i;
double x, y;
/* and defining the points */
for (i = 0; coor[i] != NULL; i += 2) {
G_scan_easting(coor[i], &x, G_projection());
G_scan_northing(coor[i + 1], &y, G_projection());
(*points)[*index_point].x = x;
(*points)[*index_point].y = y;
(*points)[*index_point].cat = -1;
(*points)[*index_point].line1 = NULL;
(*points)[*index_point].line2 = NULL;
(*points)[*index_point].left_brother = NULL;
(*points)[*index_point].right_brother = NULL;
(*points)[*index_point].father = NULL;
(*points)[*index_point].rightmost_son = NULL;
(*index_point)++;
}
}
int lookup_and_function_ptrs(SHORT nrows, SHORT ncols)
{
double a, e2; /* used to control geodetic distance calculations */
if ((ll = (G_projection() == PROJECTION_LL))) {
/* equivalent to G_begin_distance_calculations () */
G_get_ellipsoid_parameters(&a, &e2);
G_begin_geodesic_distance_l(nrows, a, e2);
LL_lookup_tables(nrows, ncols);
init_row_search = first_west_LL;
comp_row_search = completed_row_LL;
locate_neighbors = find_neighbors_LL;
check_offset = offset_distance_LL;
exhaust_row = exhaust_search_LL;
}
else {
lookup_tables(nrows, ncols);
init_row_search = first_west;
comp_row_search = completed_row;
locate_neighbors = find_neighbors;
check_offset = offset_distance;
exhaust_row = exhaust_search;
}
return 0;
}
/*!
\brief Get units id for the current location
\return units id
*/
int G_database_unit()
{
int units;
const char *name;
units = G_projection_units(G_projection());
if (units == U_UNDEFINED) {
name = lookup_units("unit");
if (!name)
return U_UNKNOWN;
if (strcasecmp(name, "meter") == 0 || strcasecmp(name, "metre") == 0
|| strcasecmp(name, "meters") == 0 || strcasecmp(name, "metres") == 0)
units = U_METERS;
else if (strcasecmp(name, "kilometer") == 0 || strcasecmp(name, "kilometre") == 0
|| strcasecmp(name, "kilometers") == 0 || strcasecmp(name, "kilometres") == 0)
units = U_KILOMETERS;
else if (strcasecmp(name, "acre") == 0 || strcasecmp(name, "acres") == 0)
units = U_ACRES;
else if (strcasecmp(name, "hectare") == 0 || strcasecmp(name, "hectares") == 0)
units = U_HECTARES;
else if (strcasecmp(name, "mile") == 0 || strcasecmp(name, "miles") == 0)
units = U_MILES;
else if (strcasecmp(name, "foot") == 0 || strcasecmp(name, "feet") == 0)
units = U_FEET;
else if (strcasecmp(name, "foot_us") == 0 || strcasecmp(name, "foot_uss") == 0)
units = U_USFEET;
else if (strcasecmp(name, "degree") == 0 || strcasecmp(name, "degrees") == 0)
units = U_DEGREES;
else
units = U_UNKNOWN;
}
return units;
}
static int profile(int coords, const char *map, const char *nulls, char **line)
{
double e1, n1, e2, n2;
char buf[1024], profile[1024];
const char *argv[7];
int argc = 0;
int n;
int projection;
projection = G_projection();
argv[argc++] = "r.profile";
if (coords)
argv[argc++] = "-g";
sprintf(buf, "input=%s", map);
argv[argc++] = G_store(buf);
argv[argc++] = "output=-";
sprintf(buf, "null_value=%s", nulls);
argv[argc++] = G_store(buf);
strcpy(profile, "coordinates=");
for (n = 0; line[n]; n += 4) {
int err = parse_line("line", &line[n], &e1, &n1, &e2, &n2, projection);
if (err) {
G_usage();
exit(EXIT_FAILURE);
}
if (n > 0)
strcat(profile, ",");
G_format_easting(e1, buf, projection);
strcat(profile, buf);
G_format_northing(n1, buf, projection);
strcat(profile, ",");
strcat(profile, buf);
G_format_easting(e2, buf, projection);
strcat(profile, ",");
strcat(profile, buf);
G_format_northing(n2, buf, projection);
strcat(profile, ",");
strcat(profile, buf);
}
argv[argc++] = profile;
argv[argc++] = NULL;
G_verbose_message(_("End coordinate: %.15g, %.15g"), e2, n2);
return G_vspawn_ex(argv[0], argv);
}
void print_shell(const struct Map_info *Map)
{
if (Vect_maptype(Map) & (GV_FORMAT_OGR | GV_FORMAT_OGR_DIRECT)) {
fprintf(stdout, "ogr_layer=%s\n",
Vect_get_ogr_layer_name(Map));
fprintf(stdout, "ogr_dsn=%s\n",
Vect_get_ogr_dsn_name(Map));
}
else {
fprintf(stdout, "name=%s\n",
Vect_get_name(Map));
fprintf(stdout, "mapset=%s\n",
Vect_get_mapset(Map));
}
fprintf(stdout, "location=%s\n",
G_location());
fprintf(stdout, "database=%s\n",
G_gisdbase());
fprintf(stdout, "title=%s\n",
Vect_get_map_name(Map));
fprintf(stdout, "scale=1:%d\n",
Vect_get_scale(Map));
if (Vect_maptype(Map) & (GV_FORMAT_OGR | GV_FORMAT_OGR_DIRECT)) {
fprintf(stdout, "format=%s,%s\n",
Vect_maptype_info(Map), Vect_get_ogr_format_info(Map));
}
else {
fprintf(stdout, "format=%s\n",
Vect_maptype_info(Map));
}
fprintf(stdout, "creator=%s\n",
Vect_get_person(Map));
fprintf(stdout, "organization=%s\n",
Vect_get_organization(Map));
fprintf(stdout, "source_date=%s\n",
Vect_get_map_date(Map));
fprintf(stdout, "level=%d\n",
Vect_level(Map));
if (Vect_level(Map) > 0) {
fprintf(stdout, "num_dblinks=%d\n",
Vect_get_num_dblinks(Map));
}
fprintf(stdout, "projection=%s\n",
Vect_get_proj_name(Map));
if (G_projection() == PROJECTION_UTM) {
fprintf(stdout, "zone=%d\n",
Vect_get_zone(Map));
}
fprintf(stdout, "digitization_threshold=%f\n",
Vect_get_thresh(Map));
fprintf(stdout, "comment=%s\n",
Vect_get_comment(Map));
}
void G_shortest_way(double *east1, double *east2)
{
if (G_projection() == PROJECTION_LL) {
if (*east1 > *east2)
while ((*east1 - *east2) > 180)
*east2 += 360;
else if (*east2 > *east1)
while ((*east2 - *east1) > 180)
*east1 += 360;
}
}
/*!
\brief Query cartographic projection for the current location
Returns a pointer to a string which is a printable name for
projection code <i>proj</i> (as returned by G_projection). Returns
NULL if <i>proj</i> is not a valid projection.
\return projection name
*/
const char *G_database_projection_name(void)
{
int n;
const char *name;
switch (n = G_projection()) {
case PROJECTION_XY:
case PROJECTION_UTM:
case PROJECTION_LL:
return G_projection_name(n);
}
name = lookup_proj("name");
if (!name)
return _("Unknown projection");
return name;
}
char *G_database_projection_name()
{
int n;
static char name[256];
char *G__projection_name();
switch(n=G_projection())
{
case PROJECTION_XY:
case PROJECTION_UTM:
case PROJECTION_LL:
case PROJECTION_SP:
return G__projection_name(n);
}
if(!lookup (PROJECTION_FILE, "name", name, sizeof(name)))
strcpy (name, "Unknown projection");
return name;
}
int main(int argc, char **argv)
{
struct GModule *module;
struct
{
struct Option *input;
struct Option *output;
} params;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("hydrology"));
module->description =
_("Creates a topographic index raster map from an elevation raster map.");
params.input = G_define_standard_option(G_OPT_R_ELEV);
params.input->key = "input";
params.output = G_define_standard_option(G_OPT_R_OUTPUT);
params.output->description = _("Name for output topographic index raster map");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/* Make sure that the current projection is not lat/long */
if ((G_projection() == PROJECTION_LL))
G_fatal_error(_("Lat/Long location is not supported by %s. Please reproject map first."),
G_program_name());
input = params.input->answer;
output = params.output->answer;
G_get_window(&window);
read_cells();
initialize();
calculate_atanb();
write_cells();
exit(EXIT_SUCCESS);
}
char *G_database_unit_name(int plural)
{
int n;
static char name[256];
char *G__unit_name();
switch(n=G_projection())
{
case PROJECTION_XY:
case PROJECTION_UTM:
case PROJECTION_LL:
case PROJECTION_SP:
return G__unit_name(G__projection_units(n), plural);
}
if(!lookup (UNIT_FILE, plural?"units":"unit", name, sizeof(name)))
strcpy (name, plural ? "units" : "unit");
return name;
}
/*!
\brief Set constraint region
Vect_read_next_line() will read only features inside of given
region or features with overlapping bounding box.
\note Constraint is ignored for random access - Vect_read_line().
\param Map pointer to Map_info struct
\param n,s,e,w,t,b bbox definition (north, south, east, west, top, and bottom coordinates)
\return 0 on success
\return -1 on error (invalid region)
*/
int Vect_set_constraint_region(struct Map_info *Map,
double n, double s, double e, double w,
double t, double b)
{
if (n <= s)
return -1;
if (e <= w)
return -1;
Map->constraint.region_flag = TRUE;
Map->constraint.box.N = n;
Map->constraint.box.S = s;
Map->constraint.box.E = e;
Map->constraint.box.W = w;
Map->constraint.box.T = t;
Map->constraint.box.B = b;
Map->head.proj = G_projection();
return 0;
}
int main(int argc, char **argv)
{
interface(argc, argv);
/* Make sure that the current projection is not lat/long */
if ((G_projection() == PROJECTION_LL))
G_fatal_error(_("Lat/Long locations are not supported by this module"));
open_files();
process();
close_down();
if (mparam == FEATURE) {
write_cols();
write_cats();
}
return 0;
}
/*!
\brief Get units (localized) name for the current location
Returns a string describing the database grid units. It returns a
plural form (eg. 'feet') if <i>plural</i> is non-zero. Otherwise it
returns a singular form (eg. 'foot').
\param plural plural form if non-zero
\return localized units name
*/
const char *G_database_unit_name(int plural)
{
int units;
const char *name;
units = G_projection_units(G_projection());
if (units == U_UNDEFINED) {
name = lookup_units(plural ? "units" : "unit");
if (!name)
return plural ? _("units") : _("unit");
if (strcasecmp(name, "meter") == 0 || strcasecmp(name, "metre") == 0
|| strcasecmp(name, "meters") == 0 || strcasecmp(name, "metres") == 0)
units = U_METERS;
else if (strcasecmp(name, "kilometer") == 0 || strcasecmp(name, "kilometre") == 0
|| strcasecmp(name, "kilometers") == 0 || strcasecmp(name, "kilometres") == 0)
units = U_KILOMETERS;
else if (strcasecmp(name, "acre") == 0 || strcasecmp(name, "acres") == 0)
units = U_ACRES;
else if (strcasecmp(name, "hectare") == 0 || strcasecmp(name, "hectares") == 0)
units = U_HECTARES;
else if (strcasecmp(name, "mile") == 0 || strcasecmp(name, "miles") == 0)
units = U_MILES;
else if (strcasecmp(name, "foot") == 0 || strcasecmp(name, "feet") == 0)
units = U_FEET;
else if (strcasecmp(name, "foot_us") == 0 || strcasecmp(name, "foot_uss") == 0)
units = U_USFEET;
else if (strcasecmp(name, "degree") == 0 || strcasecmp(name, "degrees") == 0)
units = U_DEGREES;
else
units = U_UNKNOWN;
}
return G_get_units_name(units, plural, FALSE);
}
int main(int argc, char *argv[])
{
int i, type, stat;
int day, yr, Out_proj;
int out_zone = 0;
int overwrite; /* overwrite output map */
const char *mapset;
const char *omap_name, *map_name, *iset_name, *iloc_name;
struct pj_info info_in;
struct pj_info info_out;
const char *gbase;
char date[40], mon[4];
struct GModule *module;
struct Option *omapopt, *mapopt, *isetopt, *ilocopt, *ibaseopt, *smax;
struct Key_Value *in_proj_keys, *in_unit_keys;
struct Key_Value *out_proj_keys, *out_unit_keys;
struct line_pnts *Points, *Points2;
struct line_cats *Cats;
struct Map_info Map;
struct Map_info Out_Map;
struct bound_box src_box, tgt_box;
int nowrap = 0, recommend_nowrap = 0;
double lmax;
struct
{
struct Flag *list; /* list files in source location */
struct Flag *transformz; /* treat z as ellipsoidal height */
struct Flag *wrap; /* latlon output: wrap to 0,360 */
struct Flag *no_topol; /* do not build topology */
} flag;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("projection"));
G_add_keyword(_("transformation"));
G_add_keyword(_("import"));
module->description = _("Re-projects a vector map from one location to the current location.");
/* set up the options and flags for the command line parser */
ilocopt = G_define_standard_option(G_OPT_M_LOCATION);
ilocopt->required = YES;
ilocopt->label = _("Location containing input vector map");
ilocopt->guisection = _("Source");
isetopt = G_define_standard_option(G_OPT_M_MAPSET);
isetopt->label = _("Mapset containing input vector map");
isetopt->description = _("Default: name of current mapset");
isetopt->guisection = _("Source");
mapopt = G_define_standard_option(G_OPT_V_INPUT);
mapopt->required = NO;
mapopt->label = _("Name of input vector map to re-project");
mapopt->description = NULL;
mapopt->guisection = _("Source");
ibaseopt = G_define_standard_option(G_OPT_M_DBASE);
ibaseopt->label = _("Path to GRASS database of input location");
smax = G_define_option();
smax->key = "smax";
smax->type = TYPE_DOUBLE;
smax->required = NO;
smax->answer = "10000";
smax->label = _("Maximum segment length in meters in output vector map");
smax->description = _("Increases accuracy of reprojected shapes, disable with smax=0");
smax->guisection = _("Target");
omapopt = G_define_standard_option(G_OPT_V_OUTPUT);
omapopt->required = NO;
omapopt->description = _("Name for output vector map (default: input)");
omapopt->guisection = _("Target");
flag.list = G_define_flag();
flag.list->key = 'l';
flag.list->description = _("List vector maps in input mapset and exit");
flag.transformz = G_define_flag();
flag.transformz->key = 'z';
flag.transformz->description = _("3D vector maps only");
flag.transformz->label =
_("Assume z coordinate is ellipsoidal height and "
"transform if possible");
flag.transformz->guisection = _("Target");
flag.wrap = G_define_flag();
flag.wrap->key = 'w';
flag.wrap->description = _("Latlon output only, default is -180,180");
flag.wrap->label =
_("Disable wrapping to -180,180 for latlon output");
flag.transformz->guisection = _("Target");
flag.no_topol = G_define_flag();
flag.no_topol->key = 'b';
flag.no_topol->label = _("Do not build vector topology");
flag.no_topol->description = _("Recommended for massive point projection");
/* The parser checks if the map already exists in current mapset,
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);
/* start checking options and flags */
/* set input vector map name and mapset */
map_name = mapopt->answer;
if (omapopt->answer)
omap_name = omapopt->answer;
else
omap_name = map_name;
if (omap_name && !flag.list->answer && !overwrite &&
G_find_vector2(omap_name, G_mapset()))
G_fatal_error(_("option <%s>: <%s> exists. To overwrite, use the --overwrite flag"), omapopt->key,
omap_name);
if (isetopt->answer)
iset_name = isetopt->answer;
else
iset_name = G_store(G_mapset());
iloc_name = ilocopt->answer;
if (ibaseopt->answer)
gbase = ibaseopt->answer;
else
gbase = G_store(G_gisdbase());
if (!ibaseopt->answer && strcmp(iloc_name, G_location()) == 0)
G_fatal_error(_("Input and output locations can not be the same"));
lmax = atof(smax->answer);
if (lmax < 0)
lmax = 0;
Out_proj = G_projection();
if (Out_proj == PROJECTION_LL && flag.wrap->answer)
nowrap = 1;
G_begin_distance_calculations();
/* Change the location here and then come back */
select_target_env();
G_setenv_nogisrc("GISDBASE", gbase);
G_setenv_nogisrc("LOCATION_NAME", iloc_name);
stat = G_mapset_permissions(iset_name);
if (stat >= 0) { /* yes, we can access the mapset */
/* if requested, list the vector maps in source location - MN 5/2001 */
if (flag.list->answer) {
int i;
char **list;
G_verbose_message(_("Checking location <%s> mapset <%s>"),
iloc_name, iset_name);
list = G_list(G_ELEMENT_VECTOR, G_getenv_nofatal("GISDBASE"),
G_getenv_nofatal("LOCATION_NAME"), iset_name);
if (list[0]) {
for (i = 0; list[i]; i++) {
fprintf(stdout, "%s\n", list[i]);
}
fflush(stdout);
}
else {
G_important_message(_("No vector maps found"));
}
exit(EXIT_SUCCESS); /* leave v.proj after listing */
}
if (mapopt->answer == NULL) {
G_fatal_error(_("Required parameter <%s> not set"), mapopt->key);
}
G_setenv_nogisrc("MAPSET", iset_name);
/* Make sure map is available */
mapset = G_find_vector2(map_name, iset_name);
if (mapset == NULL)
G_fatal_error(_("Vector map <%s> in location <%s> mapset <%s> not found"),
map_name, iloc_name, iset_name);
/*** Get projection info for input mapset ***/
in_proj_keys = G_get_projinfo();
if (in_proj_keys == NULL)
exit(EXIT_FAILURE);
/* apparently the +over switch must be set in the input projection,
* not the output latlon projection */
if (Out_proj == PROJECTION_LL && nowrap == 1)
G_set_key_value("+over", "defined", in_proj_keys);
in_unit_keys = G_get_projunits();
if (in_unit_keys == NULL)
exit(EXIT_FAILURE);
if (pj_get_kv(&info_in, in_proj_keys, in_unit_keys) < 0)
exit(EXIT_FAILURE);
Vect_set_open_level(1);
G_debug(1, "Open old: location: %s mapset : %s", G_location_path(),
G_mapset());
if (Vect_open_old(&Map, map_name, mapset) < 0)
G_fatal_error(_("Unable to open vector map <%s>"), map_name);
}
else if (stat < 0)
{ /* allow 0 (i.e. denied permission) */
/* need to be able to read from others */
if (stat == 0)
G_fatal_error(_("Mapset <%s> in input location <%s> - permission denied"),
iset_name, iloc_name);
else
G_fatal_error(_("Mapset <%s> in input location <%s> not found"),
iset_name, iloc_name);
}
select_current_env();
/****** get the output projection parameters ******/
out_proj_keys = G_get_projinfo();
if (out_proj_keys == NULL)
exit(EXIT_FAILURE);
out_unit_keys = G_get_projunits();
if (out_unit_keys == NULL)
exit(EXIT_FAILURE);
if (pj_get_kv(&info_out, out_proj_keys, out_unit_keys) < 0)
exit(EXIT_FAILURE);
G_free_key_value(in_proj_keys);
G_free_key_value(in_unit_keys);
G_free_key_value(out_proj_keys);
G_free_key_value(out_unit_keys);
if (G_verbose() == G_verbose_max()) {
pj_print_proj_params(&info_in, &info_out);
}
/* Initialize the Point / Cat structure */
Points = Vect_new_line_struct();
Points2 = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
/* test if latlon wrapping to -180,180 should be disabled */
if (Out_proj == PROJECTION_LL && nowrap == 0) {
int first = 1, counter = 0;
double x, y;
/* Cycle through all lines */
Vect_rewind(&Map);
while (1) {
type = Vect_read_next_line(&Map, Points, Cats); /* read line */
if (type == 0)
continue; /* Dead */
if (type == -1)
G_fatal_error(_("Reading input vector map"));
if (type == -2)
break;
if (first && Points->n_points > 0) {
first = 0;
src_box.E = src_box.W = Points->x[0];
src_box.N = src_box.S = Points->y[0];
src_box.T = src_box.B = Points->z[0];
}
for (i = 0; i < Points->n_points; i++) {
if (src_box.E < Points->x[i])
src_box.E = Points->x[i];
if (src_box.W > Points->x[i])
src_box.W = Points->x[i];
if (src_box.N < Points->y[i])
src_box.N = Points->y[i];
if (src_box.S > Points->y[i])
src_box.S = Points->y[i];
}
counter++;
}
if (counter == 0) {
G_warning(_("Input vector map <%s> is empty"), omap_name);
exit(EXIT_SUCCESS);
}
/* NW corner */
x = src_box.W;
y = src_box.N;
if (pj_do_transform(1, &x, &y, NULL,
&info_in, &info_out) < 0) {
G_fatal_error(_("Error in pj_do_transform"));
}
tgt_box.E = x;
tgt_box.W = x;
tgt_box.N = y;
tgt_box.S = y;
/* SW corner */
x = src_box.W;
y = src_box.S;
if (pj_do_transform(1, &x, &y, NULL,
&info_in, &info_out) < 0) {
G_fatal_error(_("Error in pj_do_transform"));
}
if (tgt_box.W > x)
tgt_box.W = x;
if (tgt_box.E < x)
tgt_box.E = x;
if (tgt_box.N < y)
tgt_box.N = y;
if (tgt_box.S > y)
tgt_box.S = y;
/* NE corner */
x = src_box.E;
y = src_box.N;
if (pj_do_transform(1, &x, &y, NULL,
&info_in, &info_out) < 0) {
G_fatal_error(_("Error in pj_do_transform"));
}
if (tgt_box.W > x) {
tgt_box.E = x + 360;
recommend_nowrap = 1;
}
if (tgt_box.N < y)
tgt_box.N = y;
if (tgt_box.S > y)
tgt_box.S = y;
/* SE corner */
x = src_box.E;
y = src_box.S;
if (pj_do_transform(1, &x, &y, NULL,
&info_in, &info_out) < 0) {
G_fatal_error(_("Error in pj_do_transform"));
}
if (tgt_box.W > x) {
if (tgt_box.E < x + 360)
tgt_box.E = x + 360;
recommend_nowrap = 1;
}
if (tgt_box.N < y)
tgt_box.N = y;
if (tgt_box.S > y)
tgt_box.S = y;
}
G_debug(1, "Open new: location: %s mapset : %s", G_location_path(),
G_mapset());
if (Vect_open_new(&Out_Map, omap_name, Vect_is_3d(&Map)) < 0)
G_fatal_error(_("Unable to create vector map <%s>"), omap_name);
Vect_set_error_handler_io(NULL, &Out_Map); /* register standard i/o error handler */
Vect_copy_head_data(&Map, &Out_Map);
Vect_hist_copy(&Map, &Out_Map);
Vect_hist_command(&Out_Map);
out_zone = info_out.zone;
Vect_set_zone(&Out_Map, out_zone);
/* Read and write header info */
sprintf(date, "%s", G_date());
sscanf(date, "%*s%s%d%*s%d", mon, &day, &yr);
if (yr < 2000)
yr = yr - 1900;
else
yr = yr - 2000;
sprintf(date, "%s %d %d", mon, day, yr);
Vect_set_date(&Out_Map, date);
/* line densification works only with vector topology */
if (Map.format != GV_FORMAT_NATIVE)
lmax = 0;
/* Cycle through all lines */
Vect_rewind(&Map);
i = 0;
G_message(_("Reprojecting primitives ..."));
while (TRUE) {
++i;
G_progress(i, 1e3);
type = Vect_read_next_line(&Map, Points, Cats); /* read line */
if (type == 0)
continue; /* Dead */
if (type == -1)
G_fatal_error(_("Reading input vector map"));
if (type == -2)
break;
Vect_line_prune(Points);
if (lmax > 0 && (type & GV_LINES) && Points->n_points > 1) {
double x1, y1, z1, x2, y2, z2;
double dx, dy, dz;
double l;
int i, n;
Vect_reset_line(Points2);
for (i = 0; i < Points->n_points - 1; i++) {
x1 = Points->x[i];
y1 = Points->y[i];
z1 = Points->z[i];
n = i + 1;
x2 = Points->x[n];
y2 = Points->y[n];
z2 = Points->z[n];
dx = x2 - x1;
dy = y2 - y1;
dz = z2 - z1;
if (pj_do_transform(1, &x1, &y1,
flag.transformz->answer ? &z1 : NULL,
&info_in, &info_out) < 0) {
G_fatal_error(_("Unable to re-project vector map <%s> from <%s>"),
Vect_get_full_name(&Map), ilocopt->answer);
}
if (pj_do_transform(1, &x2, &y2,
flag.transformz->answer ? &z2 : NULL,
&info_in, &info_out) < 0) {
G_fatal_error(_("Unable to re-project vector map <%s> from <%s>"),
Vect_get_full_name(&Map), ilocopt->answer);
}
Vect_append_point(Points2, x1, y1, z1);
l = G_distance(x1, y1, x2, y2);
if (l > lmax) {
int j;
double x, y, z;
x1 = Points->x[i];
y1 = Points->y[i];
z1 = Points->z[i];
n = ceil(l / lmax);
for (j = 1; j < n; j++) {
x = x1 + dx * j / n;
y = y1 + dy * j / n;
z = z1 + dz * j / n;
if (pj_do_transform(1, &x, &y,
flag.transformz->answer ? &z : NULL,
&info_in, &info_out) < 0) {
G_fatal_error(_("Unable to re-project vector map <%s> from <%s>"),
Vect_get_full_name(&Map), ilocopt->answer);
}
Vect_append_point(Points2, x, y, z);
}
}
}
Vect_append_point(Points2, x2, y2, z2);
Vect_write_line(&Out_Map, type, Points2, Cats); /* write line */
}
else {
if (pj_do_transform(Points->n_points, Points->x, Points->y,
flag.transformz->answer ? Points->z : NULL,
&info_in, &info_out) < 0) {
G_fatal_error(_("Unable to re-project vector map <%s> from <%s>"),
Vect_get_full_name(&Map), ilocopt->answer);
}
Vect_write_line(&Out_Map, type, Points, Cats); /* write line */
}
} /* end lines section */
G_progress(1, 1);
/* Copy tables */
if (Vect_copy_tables(&Map, &Out_Map, 0))
G_warning(_("Failed to copy attribute table to output map"));
Vect_close(&Map);
if (!flag.no_topol->answer)
Vect_build(&Out_Map);
Vect_close(&Out_Map);
if (recommend_nowrap)
G_important_message(_("Try to disable wrapping to -180,180 "
"if topological errors occurred"));
exit(EXIT_SUCCESS);
}
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 read_scalebar(void)
{
char buf[1024];
char *key, *data;
char ch;
/* struct defined in decorate.h */
sb.segment = 4; /* four segments */
sb.numbers = 1; /* label each segment */
sb.font = G_store("Helvetica");
sb.fontsize = 8;
sb.color = BLACK; /* TODO: multi-color */
sb.width = 1.;
sb.length = -1.;
sb.height = 0.1; /* default height in inches */
sb.x = PS.page_width / 2.;
sb.y = 2.;
sb.bgcolor = 1; /* TODO: multi-color */
sb.units = SB_UNITS_AUTO; /* default to automatic based on value in PROJ_UNITS */
while (input(2, buf, help)) {
if (!key_data(buf, &key, &data))
continue;
if (KEY("where")) {
if (sscanf(data, "%lf %lf", &sb.x, &sb.y) != 2) {
error(key, data, "illegal where request");
}
else
continue;
}
if (KEY("height")) {
if (sscanf(data, "%lf", &sb.height) != 1 || sb.height <= 0.) {
error(key, data, "illegal height request");
}
else
continue;
}
if (KEY("length")) {
if (sscanf(data, "%lf", &sb.length) != 1 || sb.length <= 0.) {
error(key, data, "illegal length request");
}
else
continue;
}
if (KEY("units")) {
G_strip(data);
if (strcmp(data, "auto") == 0) {
sb.units = SB_UNITS_AUTO;
continue;
}
else if (G_projection() == PROJECTION_XY) {
error(key, data,
"Earth units not available in simple XY location");
}
else if (strcmp(data, "meters") == 0) {
sb.units = SB_UNITS_METERS;
continue;
}
else if (strcmp(data, "kilometers") == 0 || strcmp(data, "km") == 0) {
sb.units = SB_UNITS_KM;
continue;
}
else if (strcmp(data, "feet") == 0) {
sb.units = SB_UNITS_FEET;
continue;
}
else if (strcmp(data, "miles") == 0) {
sb.units = SB_UNITS_MILES;
continue;
}
else if (strcmp(data, "nautmiles") == 0 || strcmp(data, "nm") == 0) {
sb.units = SB_UNITS_NMILES;
continue;
}
else
error(key, data, "illegal units request");
}
if (KEY("segment")) {
if (sscanf(data, "%d", &sb.segment) != 1 || sb.segment <= 0) {
error(key, data, "illegal segment request");
}
else
continue;
}
if (KEY("numbers")) {
if (sscanf(data, "%d", &sb.numbers) != 1 || sb.numbers <= 0) {
error(key, data, "illegal numbers request");
}
else
continue;
}
if (KEY("font")) {
get_font(data);
G_free(sb.font);
sb.font = G_store(data);
continue;
}
if (KEY("fontsize")) {
if (sscanf(data, "%d", &sb.fontsize) != 1 || sb.fontsize <= 0) {
error(key, data, "illegal fontsize request");
}
else
continue;
}
if (KEY("color"))
{
sb.color = get_color_number(data);
if (sb.color < 0)
{
sb.color = BLACK;
error(key, data, "illegal color request");
}
continue;
}
if (KEY("background")) {
sb.bgcolor = yesno(key, data);
continue;
}
if (KEY("width")) {
sb.width = -1.;
ch = ' ';
if ((sscanf(data, "%lf%c", &sb.width, &ch) < 1) ||
(sb.width < 0.)) {
sb.width = 1.;
error(key, data, "illegal grid width request");
}
if (ch == 'i')
sb.width = sb.width * 72.0;
continue;
}
error(key, data, "illegal request (scalebar)");
}
return 0;
}
int main(int argc, char *argv[])
{
struct Map_info in, out, vis;
struct GModule *module; /* GRASS module for parsing arguments */
struct Option *input, *output; /* The input map */
struct Option *coor, *ovis;
char *mapset;
struct Point *points;
struct Line *lines;
int num_points, num_lines;
int n = 0;
/* 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, path, visibility");
module->description = _("Visibility graph construction.");
/* define the arguments needed */
input = G_define_standard_option(G_OPT_V_INPUT);
output = G_define_standard_option(G_OPT_V_OUTPUT);
coor = G_define_option();
coor->key = "coordinate";
coor->key_desc = "x,y";
coor->type = TYPE_STRING;
coor->required = NO;
coor->multiple = YES;
coor->description = _("One or more coordinates");
ovis = G_define_option();
ovis->key = "vis";
ovis->type = TYPE_STRING;
ovis->required = NO;
ovis->description = _("Add points after computing the vis graph");
/* options and flags parser */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
Vect_check_input_output_name(input->answer, output->answer,
GV_FATAL_EXIT);
Vect_set_open_level(2);
mapset = G_find_vector2(input->answer, NULL); /* finds the map */
if (mapset == NULL)
G_fatal_error("Vector map <%s> not found", input->answer);
if (Vect_open_old(&in, input->answer, mapset) < 1) /* opens the map */
G_fatal_error(_("Unable to open vector map <%s>"),
G_fully_qualified_name(input->answer, mapset));
if (Vect_open_new(&out, output->answer, WITHOUT_Z) < 0) {
Vect_close(&in);
G_fatal_error(_("Unable to create vector map <%s>"), output->answer);
}
if (ovis->answer != NULL) {
mapset = G_find_vector2(ovis->answer, NULL);
if (Vect_open_old(&vis, ovis->answer, mapset) < 1)
G_fatal_error(_("Unable to open vector map <%s>"),
G_fully_qualified_name(ovis->answer, mapset));
if (Vect_copy_map_lines(&vis, &out) > 0)
G_fatal_error(_("Unable to copy elements from vector map <%s>"),
G_fully_qualified_name(ovis->answer, mapset));
}
if (G_projection() == PROJECTION_LL)
G_warning(_("Lat-long projection"));
/* counting how many points and lines we have to allocate */
count(&in, &num_points, &num_lines);
/* modify the number if we have new points to add */
if (coor->answers != NULL)
num_points += count_new(coor->answers);
/* and allocate */
points = G_malloc(num_points * sizeof(struct Point));
lines = G_malloc(num_lines * sizeof(struct Line));
/* and finally set the lines */
load_lines(&in, &points, &num_points, &lines, &num_lines);
if (coor->answers != NULL)
add_points(coor->answers, &points, &num_points);
if (ovis->answer == NULL)
construct_visibility(points, num_points, lines, num_lines, &out);
else
visibility_points(points, num_points, lines, num_lines, &out, n);
G_free(points);
G_free(lines);
Vect_build(&out);
Vect_close(&out);
Vect_close(&in);
exit(EXIT_SUCCESS);
}
int G_get_3dview(const char *fname, const char *mapset, struct G_3dview *View)
{
struct Cell_head curwin;
FILE *fp;
char buffer[80], keystring[24], boo[8], nbuf[128], ebuf[128];
int lap, v_maj, v_min, wind_keys = 0, reqkeys = 0;
int current = 0; /* current version flag */
mapset = G_find_file2("3d.view", fname, mapset);
if (mapset != NULL) {
if (NULL == (fp = G_fopen_old("3d.view", fname, mapset))) {
G_warning(_("Unable to open %s for reading"), fname);
return (-1);
}
G_get_set_window(&curwin);
G_get_3dview_defaults(View, &curwin);
if (NULL != fgets(buffer, 80, fp)) {
if (buffer[0] != '#') { /* old d.3d format */
rewind(fp);
if (0 <= read_old_format(View, fp))
return (0);
else
return (-1);
}
else {
sscanf(buffer, "#%d.%d\n", &v_maj, &v_min);
if (v_maj == vers_major && v_min == vers_minor)
current = 1; /* same version */
}
}
while (NULL != fgets(buffer, 75, fp)) {
if (buffer[0] != '#') {
sscanf(buffer, "%[^:]:", keystring);
if (!strcmp(keystring, "PGM_ID")) {
sscanf(buffer, "%*s%s", (View->pgm_id));
continue;
}
if (!strcmp(keystring, "north")) {
sscanf(buffer, "%*s%lf", &(View->vwin.north));
++wind_keys;
continue;
}
if (!strcmp(keystring, "south")) {
sscanf(buffer, "%*s%lf", &(View->vwin.south));
++wind_keys;
continue;
}
if (!strcmp(keystring, "east")) {
sscanf(buffer, "%*s%lf", &(View->vwin.east));
++wind_keys;
continue;
}
if (!strcmp(keystring, "west")) {
sscanf(buffer, "%*s%lf", &(View->vwin.west));
++wind_keys;
continue;
}
if (!strcmp(keystring, "rows")) {
sscanf(buffer, "%*s%d", &(View->vwin.rows));
++wind_keys;
continue;
}
if (!strcmp(keystring, "cols")) {
sscanf(buffer, "%*s%d", &(View->vwin.cols));
++wind_keys;
continue;
}
if (!strcmp(keystring, "TO_EASTING")) {
sscanf(buffer, "%*s%f", &(View->from_to[1][0]));
++reqkeys;
continue;
}
if (!strcmp(keystring, "TO_NORTHING")) {
sscanf(buffer, "%*s%f", &(View->from_to[1][1]));
++reqkeys;
continue;
}
if (!strcmp(keystring, "TO_HEIGHT")) {
sscanf(buffer, "%*s%f", &(View->from_to[1][2]));
++reqkeys;
continue;
}
if (!strcmp(keystring, "FROM_EASTING")) {
sscanf(buffer, "%*s%f", &(View->from_to[0][0]));
++reqkeys;
continue;
}
if (!strcmp(keystring, "FROM_NORTHING")) {
sscanf(buffer, "%*s%f", &(View->from_to[0][1]));
++reqkeys;
continue;
}
if (!strcmp(keystring, "FROM_HEIGHT")) {
sscanf(buffer, "%*s%f", &(View->from_to[0][2]));
++reqkeys;
continue;
}
if (!strcmp(keystring, "Z_EXAG")) {
sscanf(buffer, "%*s%f", &(View->exag));
++reqkeys;
continue;
}
if (!strcmp(keystring, "MESH_FREQ")) {
sscanf(buffer, "%*s%d", &(View->mesh_freq));
continue;
}
if (!strcmp(keystring, "POLY_RES")) {
sscanf(buffer, "%*s%d", &(View->poly_freq));
continue;
}
if (!strcmp(keystring, "DOAVG")) {
sscanf(buffer, "%*s%d", &(View->doavg));
continue;
}
if (!strcmp(keystring, "FIELD_VIEW")) {
sscanf(buffer, "%*s%f", &(View->fov));
++reqkeys;
continue;
}
if (!strcmp(keystring, "TWIST")) {
sscanf(buffer, "%*s%f", &(View->twist));
continue;
}
if (!strcmp(keystring, "DISPLAY_TYPE")) {
sscanf(buffer, "%*s%d", &View->display_type);
continue;
}
if (!strcmp(keystring, "DOZERO")) {
sscanf(buffer, "%*s%s", boo);
View->dozero = get_bool(boo);
continue;
}
if (!strcmp(keystring, "COLORGRID")) {
sscanf(buffer, "%*s%s", boo);
View->colorgrid = get_bool(boo);
continue;
}
if (!strcmp(keystring, "FRINGE")) {
sscanf(buffer, "%*s%s", boo);
View->fringe = get_bool(boo);
continue;
}
if (!strcmp(keystring, "SHADING")) {
sscanf(buffer, "%*s%s", boo);
View->shading = get_bool(boo);
continue;
}
if (!strcmp(keystring, "BG_COL")) {
sscanf(buffer, "%*s%s", View->bg_col);
continue;
}
if (!strcmp(keystring, "GRID_COL")) {
sscanf(buffer, "%*s%s", View->grid_col);
continue;
}
if (!strcmp(keystring, "OTHER_COL")) {
sscanf(buffer, "%*s%s", View->other_col);
continue;
}
if (!strcmp(keystring, "SURFACEONLY")) {
sscanf(buffer, "%*s%s", boo);
View->surfonly = get_bool(boo);
continue;
}
if (!strcmp(keystring, "LIGHTS_ON")) {
sscanf(buffer, "%*s%s", boo);
View->lightson = get_bool(boo);
continue;
}
if (!strcmp(keystring, "LIGHTPOS")) {
sscanf(buffer, "%*s%f%f%f%f", &(View->lightpos[0]),
&(View->lightpos[1]), &(View->lightpos[2]),
&(View->lightpos[3]));
continue;
}
if (!strcmp(keystring, "LIGHTCOL")) {
sscanf(buffer, "%*s%f%f%f", &(View->lightcol[0]),
&(View->lightcol[1]), &(View->lightcol[2]));
continue;
}
if (!strcmp(keystring, "LIGHTAMBIENT")) {
sscanf(buffer, "%*s%f", &(View->ambient));
continue;
}
if (!strcmp(keystring, "SHINE")) {
sscanf(buffer, "%*s%f", &(View->shine));
continue;
}
}
}
fclose(fp);
if (reqkeys != REQ_KEYS) /* required keys not found */
return (-1);
/* fill rest of View->vwin */
if (wind_keys == 6) {
View->vwin.ew_res = (View->vwin.east - View->vwin.west) /
View->vwin.cols;
View->vwin.ns_res = (View->vwin.north - View->vwin.south) /
View->vwin.rows;
}
else
return (0); /* older format */
if (!Suppress_warn) {
if (95 > (lap = compare_wind(&(View->vwin), &curwin))) {
fprintf(stderr, _("GRASS window when view was saved:\n"));
G_format_northing(View->vwin.north, nbuf, G_projection());
fprintf(stderr, "north: %s\n", nbuf);
G_format_northing(View->vwin.south, nbuf, G_projection());
fprintf(stderr, "south: %s\n", nbuf);
G_format_easting(View->vwin.east, ebuf, G_projection());
fprintf(stderr, "east: %s\n", ebuf);
G_format_easting(View->vwin.west, ebuf, G_projection());
fprintf(stderr, "west: %s\n", ebuf);
pr_winerr(lap, fname);
}
}
}
else {
G_warning(_("Unable to open %s for reading"), fname);
return (-1);
}
if (current)
return (2);
return (1);
}
int main(int argc, char *argv[]) {
struct GModule *module;
struct {
struct Option *input;
struct Option *output;
struct Option *null;
struct Option *bytes;
struct Option *order;
struct Option *north;
struct Option *south;
struct Option *top;
struct Option *bottom;
struct Option *east;
struct Option *west;
struct Option *rows;
struct Option *cols;
struct Option *depths;
} parm;
struct {
struct Flag *integer_in;
struct Flag *sign;
struct Flag *depth;
struct Flag *row;
} flag;
const char *input;
const char *output;
int is_integer;
int is_signed;
int bytes;
int order;
int byte_swap;
RASTER_MAP_TYPE map_type;
off_t file_size;
struct History history;
off_t expected;
/* Need to be allocated later */
in_cell = NULL;
G_gisinit(argv[0]);
/* Set description */
module = G_define_module();
G_add_keyword(_("raster3d"));
G_add_keyword(_("import"));
G_add_keyword(_("voxel"));
module->description =
_("Imports a binary raster file into a GRASS 3D raster map.");
parm.input = G_define_standard_option(G_OPT_F_BIN_INPUT);
parm.input->description = _("Name of binary 3D raster file to be imported");
parm.output = G_define_standard_option(G_OPT_R3_OUTPUT);
parm.bytes = G_define_option();
parm.bytes->key = "bytes";
parm.bytes->type = TYPE_INTEGER;
parm.bytes->required = YES;
parm.bytes->options = "1,2,4,8";
parm.bytes->description = _("Number of bytes per cell in binary file");
parm.order = G_define_option();
parm.order->key = "order";
parm.order->type = TYPE_STRING;
parm.order->required = NO;
parm.order->options = "big,little,native,swap";
parm.order->description = _("Byte order in binary file");
parm.order->answer = "native";
parm.north = G_define_option();
parm.north->key = "north";
parm.north->type = TYPE_DOUBLE;
parm.north->required = YES;
parm.north->description =
_("Northern limit of geographic region (outer edge)");
parm.north->guisection = _("Bounds");
parm.south = G_define_option();
parm.south->key = "south";
parm.south->type = TYPE_DOUBLE;
parm.south->required = YES;
parm.south->description =
_("Southern limit of geographic region (outer edge)");
parm.south->guisection = _("Bounds");
parm.east = G_define_option();
parm.east->key = "east";
parm.east->type = TYPE_DOUBLE;
parm.east->required = YES;
parm.east->description =
_("Eastern limit of geographic region (outer edge)");
parm.east->guisection = _("Bounds");
parm.west = G_define_option();
parm.west->key = "west";
parm.west->type = TYPE_DOUBLE;
parm.west->required = YES;
parm.west->description =
_("Western limit of geographic region (outer edge)");
parm.west->guisection = _("Bounds");
parm.bottom = G_define_option();
parm.bottom->key = "bottom";
parm.bottom->type = TYPE_DOUBLE;
parm.bottom->required = YES;
parm.bottom->description =
_("Bottom limit of geographic region (outer edge)");
parm.bottom->guisection = _("Bounds");
parm.top = G_define_option();
parm.top->key = "top";
parm.top->type = TYPE_DOUBLE;
parm.top->required = YES;
parm.top->description = _("Top limit of geographic region (outer edge)");
parm.top->guisection = _("Bounds");
parm.rows = G_define_option();
parm.rows->key = "rows";
parm.rows->type = TYPE_INTEGER;
parm.rows->required = YES;
parm.rows->description = _("Number of rows");
parm.rows->guisection = _("Bounds");
parm.cols = G_define_option();
parm.cols->key = "cols";
parm.cols->type = TYPE_INTEGER;
parm.cols->required = YES;
parm.cols->description = _("Number of columns");
parm.cols->guisection = _("Bounds");
parm.depths = G_define_option();
parm.depths->key = "depths";
parm.depths->type = TYPE_INTEGER;
parm.depths->required = YES;
parm.depths->description = _("Number of depths");
parm.depths->guisection = _("Bounds");
parm.null = G_define_option();
parm.null->key = "null";
parm.null->type = TYPE_DOUBLE;
parm.null->required = NO;
parm.null->description = _("Set Value to NULL");
flag.row = G_define_flag();
flag.row->key = 'r';
flag.row->description = _("Switch the row order in output from "
"north->south to south->north");
flag.depth = G_define_flag();
flag.depth->key = 'd';
flag.depth->description = _("Switch the depth order in output "
"from bottom->top to top->bottom");
flag.integer_in = G_define_flag();
flag.integer_in->key = 'i';
flag.integer_in->description =
_("Binary data is of type integer");
flag.sign = G_define_flag();
flag.sign->key = 's';
flag.sign->description = _("Signed data (two's complement)");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
input = parm.input->answer;
output = parm.output->answer;
if (G_strcasecmp(parm.order->answer, "big") == 0)
order = 0;
else if (G_strcasecmp(parm.order->answer, "little") == 0)
order = 1;
else if (G_strcasecmp(parm.order->answer, "native") == 0)
order = G_is_little_endian() ? 1 : 0;
else if (G_strcasecmp(parm.order->answer, "swap") == 0)
order = G_is_little_endian() ? 0 : 1;
byte_swap = order == (G_is_little_endian() ? 0 : 1);
is_signed = !!flag.sign->answer;
is_integer = 0;
bytes = 8;
if (parm.bytes->answer)
bytes = atoi(parm.bytes->answer);
if (!flag.integer_in->answer) {
if (bytes && bytes < 4)
G_fatal_error(
_("bytes=%d; must be 4 or 8 in case of floating point input"),
bytes);
if (!bytes)
bytes = 4;
} else {
is_integer = 1;
}
#ifndef HAVE_LONG_LONG_INT
if (is_integer && bytes > 4)
G_fatal_error(_("Integer input doesn't support size=8 in this build"));
#endif
if (bytes != 1 && bytes != 2 && bytes != 4 && bytes != 8)
G_fatal_error(_("bytes= must be 1, 2, 4 or 8"));
region.zone = G_zone();
region.proj = G_projection();
region.rows = atoi(parm.rows->answer);
region.cols = atoi(parm.cols->answer);
region.depths = atoi(parm.depths->answer);
region.top = atof(parm.top->answer);
region.bottom = atof(parm.bottom->answer);
if (!G_scan_northing(parm.north->answer, ®ion.north, region.proj))
G_fatal_error(_("Illegal north coordinate <%s>"), parm.north->answer);
if (!G_scan_northing(parm.south->answer, ®ion.south, region.proj))
G_fatal_error(_("Illegal south coordinate <%s>"), parm.south->answer);
if (!G_scan_easting(parm.east->answer, ®ion.east, region.proj))
G_fatal_error(_("Illegal east coordinate <%s>"), parm.east->answer);
if (!G_scan_easting(parm.west->answer, ®ion.west, region.proj))
G_fatal_error(_("Illegal west coordinate <%s>"), parm.west->answer);
Rast3d_adjust_region(®ion);
expected = (off_t) region.rows * region.cols * region.depths * bytes;
fp = fopen(input, "rb");
if (!fp)
G_fatal_error(_("Unable to open <%s>"), input);
/* Find File Size in Byte and Check against byte size */
G_fseek(fp, 0, SEEK_END);
file_size = G_ftell(fp);
G_fseek(fp, 0, SEEK_SET);
if (file_size != expected) {
G_warning(_("File Size %lld ... Total Bytes %lld"),
(long long int) file_size, (long long int) expected);
G_fatal_error(_("Bytes do not match file size"));
}
map_type = (bytes > 4 ? DCELL_TYPE : FCELL_TYPE);
if(is_integer && bytes >= 4)
map_type = DCELL_TYPE;
Rast3d_init_defaults();
/*Open the new 3D raster map */
map = Rast3d_open_new_opt_tile_size(output, RASTER3D_USE_CACHE_DEFAULT,
®ion, map_type, 32);
if (map == NULL)
G_fatal_error(_("Unable to open 3D raster map"));
in_cell = G_malloc(bytes);
bin_to_raster3d(parm.null->answer, map_type, is_integer, is_signed, bytes,
byte_swap, flag.row->answer, flag.depth->answer);
if (!Rast3d_close(map))
G_fatal_error(_("Unable to close 3D raster map"));
/* write input name to map history */
Rast3d_read_history(output, G_mapset(), &history);
Rast_set_history(&history, HIST_DATSRC_1, input);
Rast3d_write_history(output, &history);
fclose(fp);
if (in_cell)
G_free(in_cell);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
int line_color;
int text_color;
double lon1, lat1, lon2, lat2;
char *deftcolor;
struct GModule *module;
struct
{
struct Option *lcolor, *tcolor, *coor;
} parm;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("display"));
G_add_keyword(_("distance"));
module->description =
_("Displays a geodesic line, tracing the shortest distance "
"between two geographic points along a great circle, in "
"a longitude/latitude data set.");
parm.coor = G_define_option();
parm.coor->key = "coor";
parm.coor->key_desc = "lon1,lat1,lon2,lat2";
parm.coor->type = TYPE_STRING;
parm.coor->required = YES;
parm.coor->description = _("Starting and ending coordinates");
parm.lcolor = G_define_option();
parm.lcolor->key = "lcolor";
parm.lcolor->type = TYPE_STRING;
parm.lcolor->required = NO;
parm.lcolor->description = _("Line color");
parm.lcolor->gisprompt = "old_color,color,color";
parm.lcolor->answer = DEFAULT_FG_COLOR;
parm.tcolor = G_define_option();
parm.tcolor->key = "tcolor";
parm.tcolor->type = TYPE_STRING;
parm.tcolor->required = NO;
parm.tcolor->description = _("Text color or \"none\"");
parm.tcolor->gisprompt = "old_color,color,color";
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
if (G_projection() != PROJECTION_LL)
G_fatal_error(_("Location is not %s"), G__projection_name(PROJECTION_LL));
if (parm.coor->answers[0] == NULL)
G_fatal_error(_("No coordinates given"));
if (!G_scan_easting(parm.coor->answers[0], &lon1, G_projection()))
G_fatal_error(_("%s - illegal longitude"), parm.coor->answers[0]);
if (!G_scan_northing(parm.coor->answers[1], &lat1, G_projection()))
G_fatal_error(_("%s - illegal longitude"), parm.coor->answers[1]);
if (!G_scan_easting(parm.coor->answers[2], &lon2, G_projection()))
G_fatal_error(_("%s - illegal longitude"), parm.coor->answers[2]);
if (!G_scan_northing(parm.coor->answers[3], &lat2, G_projection()))
G_fatal_error(_("%s - illegal longitude"), parm.coor->answers[3]);
if (D_open_driver() != 0)
G_fatal_error(_("No graphics device selected. "
"Use d.mon to select graphics device."));
line_color = D_translate_color(parm.lcolor->answer);
if (!line_color)
line_color = D_translate_color(parm.lcolor->answer =
DEFAULT_FG_COLOR);
if (strcmp(parm.lcolor->answer, DEFAULT_FG_COLOR) == 0)
deftcolor = "red";
else
deftcolor = DEFAULT_FG_COLOR;
if (parm.tcolor->answer == NULL)
text_color = D_translate_color(deftcolor);
else if (strcmp(parm.tcolor->answer, "none") == 0)
text_color = -1;
else
text_color = D_translate_color(parm.tcolor->answer);
plot(lon1, lat1, lon2, lat2, line_color, text_color);
D_save_command(G_recreate_command());
D_close_driver();
exit(EXIT_SUCCESS);
}
int main(int argc, char **argv)
{
char *mapname, /* ptr to name of output layer */
*setname, /* ptr to name of input mapset */
*ipolname; /* name of interpolation method */
int fdi, /* input map file descriptor */
fdo, /* output map file descriptor */
method, /* position of method in table */
permissions, /* mapset permissions */
cell_type, /* output celltype */
cell_size, /* size of a cell in bytes */
row, col, /* counters */
irows, icols, /* original rows, cols */
orows, ocols, have_colors, /* Input map has a colour table */
overwrite, /* Overwrite */
curr_proj; /* output projection (see gis.h) */
void *obuffer, /* buffer that holds one output row */
*obufptr; /* column ptr in output buffer */
struct cache *ibuffer; /* buffer that holds the input map */
func interpolate; /* interpolation routine */
double xcoord1, xcoord2, /* temporary x coordinates */
ycoord1, ycoord2, /* temporary y coordinates */
col_idx, /* column index in input matrix */
row_idx, /* row index in input matrix */
onorth, osouth, /* save original border coords */
oeast, owest, inorth, isouth, ieast, iwest;
char north_str[30], south_str[30], east_str[30], west_str[30];
struct Colors colr; /* Input map colour table */
struct History history;
struct pj_info iproj, /* input map proj parameters */
oproj; /* output map proj parameters */
struct Key_Value *in_proj_info, /* projection information of */
*in_unit_info, /* input and output mapsets */
*out_proj_info, *out_unit_info;
struct GModule *module;
struct Flag *list, /* list files in source location */
*nocrop, /* don't crop output map */
*print_bounds, /* print output bounds and exit */
*gprint_bounds; /* same but print shell style */
struct Option *imapset, /* name of input mapset */
*inmap, /* name of input layer */
*inlocation, /* name of input location */
*outmap, /* name of output layer */
*indbase, /* name of input database */
*interpol, /* interpolation method:
nearest neighbor, bilinear, cubic */
*memory, /* amount of memory for cache */
*res; /* resolution of target map */
struct Cell_head incellhd, /* cell header of input map */
outcellhd; /* and output map */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("projection"));
G_add_keyword(_("transformation"));
module->description =
_("Re-projects a raster map from given location to the current location.");
inmap = G_define_standard_option(G_OPT_R_INPUT);
inmap->description = _("Name of input raster map to re-project");
inmap->required = NO;
inmap->guisection = _("Source");
inlocation = G_define_option();
inlocation->key = "location";
inlocation->type = TYPE_STRING;
inlocation->required = YES;
inlocation->description = _("Location containing input raster map");
inlocation->gisprompt = "old,location,location";
inlocation->key_desc = "name";
imapset = G_define_standard_option(G_OPT_M_MAPSET);
imapset->label = _("Mapset containing input raster map");
imapset->description = _("default: name of current mapset");
imapset->guisection = _("Source");
indbase = G_define_option();
indbase->key = "dbase";
indbase->type = TYPE_STRING;
indbase->required = NO;
indbase->description = _("Path to GRASS database of input location");
indbase->gisprompt = "old,dbase,dbase";
indbase->key_desc = "path";
indbase->guisection = _("Source");
outmap = G_define_standard_option(G_OPT_R_OUTPUT);
outmap->required = NO;
outmap->description = _("Name for output raster map (default: same as 'input')");
outmap->guisection = _("Target");
ipolname = make_ipol_list();
interpol = G_define_option();
interpol->key = "method";
interpol->type = TYPE_STRING;
interpol->required = NO;
interpol->answer = "nearest";
interpol->options = ipolname;
interpol->description = _("Interpolation method to use");
interpol->guisection = _("Target");
interpol->descriptions = make_ipol_desc();
memory = G_define_option();
memory->key = "memory";
memory->type = TYPE_INTEGER;
memory->required = NO;
memory->description = _("Cache size (MiB)");
res = G_define_option();
res->key = "resolution";
res->type = TYPE_DOUBLE;
res->required = NO;
res->description = _("Resolution of output raster map");
res->guisection = _("Target");
list = G_define_flag();
list->key = 'l';
list->description = _("List raster maps in input location and exit");
nocrop = G_define_flag();
nocrop->key = 'n';
nocrop->description = _("Do not perform region cropping optimization");
print_bounds = G_define_flag();
print_bounds->key = 'p';
print_bounds->description =
_("Print input map's bounds in the current projection and exit");
print_bounds->guisection = _("Target");
gprint_bounds = G_define_flag();
gprint_bounds->key = 'g';
gprint_bounds->description =
_("Print input map's bounds in the current projection and exit (shell style)");
gprint_bounds->guisection = _("Target");
/* The parser checks if the map already exists in current mapset,
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);
/* get the method */
for (method = 0; (ipolname = menu[method].name); method++)
if (strcmp(ipolname, interpol->answer) == 0)
break;
if (!ipolname)
G_fatal_error(_("<%s=%s> unknown %s"),
interpol->key, interpol->answer, interpol->key);
interpolate = menu[method].method;
mapname = outmap->answer ? outmap->answer : inmap->answer;
if (mapname && !list->answer && !overwrite &&
G_find_raster(mapname, G_mapset()))
G_fatal_error(_("option <%s>: <%s> exists."), "output", mapname);
setname = imapset->answer ? imapset->answer : G_store(G_mapset());
if (strcmp(inlocation->answer, G_location()) == 0 &&
(!indbase->answer || strcmp(indbase->answer, G_gisdbase()) == 0))
#if 0
G_fatal_error(_("Input and output locations can not be the same"));
#else
G_warning(_("Input and output locations are the same"));
#endif
G_get_window(&outcellhd);
if(gprint_bounds->answer && !print_bounds->answer)
print_bounds->answer = gprint_bounds->answer;
curr_proj = G_projection();
/* Get projection info for output mapset */
if ((out_proj_info = G_get_projinfo()) == NULL)
G_fatal_error(_("Unable to get projection info of output raster map"));
if ((out_unit_info = G_get_projunits()) == NULL)
G_fatal_error(_("Unable to get projection units of output raster map"));
if (pj_get_kv(&oproj, out_proj_info, out_unit_info) < 0)
G_fatal_error(_("Unable to get projection key values of output raster map"));
/* Change the location */
G__create_alt_env();
G__setenv("GISDBASE", indbase->answer ? indbase->answer : G_gisdbase());
G__setenv("LOCATION_NAME", inlocation->answer);
permissions = G__mapset_permissions(setname);
if (permissions < 0) /* can't access mapset */
G_fatal_error(_("Mapset <%s> in input location <%s> - %s"),
setname, inlocation->answer,
permissions == 0 ? _("permission denied")
: _("not found"));
/* if requested, list the raster maps in source location - MN 5/2001 */
if (list->answer) {
int i;
char **list;
G_verbose_message(_("Checking location <%s> mapset <%s>"),
inlocation->answer, setname);
list = G_list(G_ELEMENT_RASTER, G__getenv("GISDBASE"),
G__getenv("LOCATION_NAME"), setname);
for (i = 0; list[i]; i++) {
fprintf(stdout, "%s\n", list[i]);
}
fflush(stdout);
exit(EXIT_SUCCESS); /* leave r.proj after listing */
}
if (!inmap->answer)
G_fatal_error(_("Required parameter <%s> not set"), inmap->key);
if (!G_find_raster(inmap->answer, setname))
G_fatal_error(_("Raster map <%s> in location <%s> in mapset <%s> not found"),
inmap->answer, inlocation->answer, setname);
/* Read input map colour table */
have_colors = Rast_read_colors(inmap->answer, setname, &colr);
/* Get projection info for input mapset */
if ((in_proj_info = G_get_projinfo()) == NULL)
G_fatal_error(_("Unable to get projection info of input map"));
if ((in_unit_info = G_get_projunits()) == NULL)
G_fatal_error(_("Unable to get projection units of input map"));
if (pj_get_kv(&iproj, in_proj_info, in_unit_info) < 0)
G_fatal_error(_("Unable to get projection key values of input map"));
G_free_key_value(in_proj_info);
G_free_key_value(in_unit_info);
G_free_key_value(out_proj_info);
G_free_key_value(out_unit_info);
if (G_verbose() > G_verbose_std())
pj_print_proj_params(&iproj, &oproj);
/* this call causes r.proj to read the entire map into memeory */
Rast_get_cellhd(inmap->answer, setname, &incellhd);
Rast_set_input_window(&incellhd);
if (G_projection() == PROJECTION_XY)
G_fatal_error(_("Unable to work with unprojected data (xy location)"));
/* Save default borders so we can show them later */
inorth = incellhd.north;
isouth = incellhd.south;
ieast = incellhd.east;
iwest = incellhd.west;
irows = incellhd.rows;
icols = incellhd.cols;
onorth = outcellhd.north;
osouth = outcellhd.south;
oeast = outcellhd.east;
owest = outcellhd.west;
orows = outcellhd.rows;
ocols = outcellhd.cols;
if (print_bounds->answer) {
G_message(_("Input map <%s@%s> in location <%s>:"),
inmap->answer, setname, inlocation->answer);
if (pj_do_proj(&iwest, &isouth, &iproj, &oproj) < 0)
G_fatal_error(_("Error in pj_do_proj (projection of input coordinate pair)"));
if (pj_do_proj(&ieast, &inorth, &iproj, &oproj) < 0)
G_fatal_error(_("Error in pj_do_proj (projection of input coordinate pair)"));
G_format_northing(inorth, north_str, curr_proj);
G_format_northing(isouth, south_str, curr_proj);
G_format_easting(ieast, east_str, curr_proj);
G_format_easting(iwest, west_str, curr_proj);
if(gprint_bounds->answer) {
fprintf(stdout, "n=%s s=%s w=%s e=%s rows=%d cols=%d\n",
north_str, south_str, west_str, east_str, irows, icols);
}
else {
fprintf(stdout, "Source cols: %d\n", icols);
fprintf(stdout, "Source rows: %d\n", irows);
fprintf(stdout, "Local north: %s\n", north_str);
fprintf(stdout, "Local south: %s\n", south_str);
fprintf(stdout, "Local west: %s\n", west_str);
fprintf(stdout, "Local east: %s\n", east_str);
}
/* somehow approximate local ewres, nsres ?? (use 'g.region -m' on lat/lon side) */
exit(EXIT_SUCCESS);
}
/* Cut non-overlapping parts of input map */
if (!nocrop->answer)
bordwalk(&outcellhd, &incellhd, &oproj, &iproj);
/* Add 2 cells on each side for bilinear/cubic & future interpolation methods */
/* (should probably be a factor based on input and output resolution) */
incellhd.north += 2 * incellhd.ns_res;
incellhd.east += 2 * incellhd.ew_res;
incellhd.south -= 2 * incellhd.ns_res;
incellhd.west -= 2 * incellhd.ew_res;
if (incellhd.north > inorth)
incellhd.north = inorth;
if (incellhd.east > ieast)
incellhd.east = ieast;
if (incellhd.south < isouth)
incellhd.south = isouth;
if (incellhd.west < iwest)
incellhd.west = iwest;
Rast_set_input_window(&incellhd);
/* And switch back to original location */
G__switch_env();
/* Adjust borders of output map */
if (!nocrop->answer)
bordwalk(&incellhd, &outcellhd, &iproj, &oproj);
#if 0
outcellhd.west = outcellhd.south = HUGE_VAL;
outcellhd.east = outcellhd.north = -HUGE_VAL;
for (row = 0; row < incellhd.rows; row++) {
ycoord1 = Rast_row_to_northing((double)(row + 0.5), &incellhd);
for (col = 0; col < incellhd.cols; col++) {
xcoord1 = Rast_col_to_easting((double)(col + 0.5), &incellhd);
pj_do_proj(&xcoord1, &ycoord1, &iproj, &oproj);
if (xcoord1 > outcellhd.east)
outcellhd.east = xcoord1;
if (ycoord1 > outcellhd.north)
outcellhd.north = ycoord1;
if (xcoord1 < outcellhd.west)
outcellhd.west = xcoord1;
if (ycoord1 < outcellhd.south)
outcellhd.south = ycoord1;
}
}
#endif
if (res->answer != NULL) /* set user defined resolution */
outcellhd.ns_res = outcellhd.ew_res = atof(res->answer);
G_adjust_Cell_head(&outcellhd, 0, 0);
Rast_set_output_window(&outcellhd);
G_message(" ");
G_message(_("Input:"));
G_message(_("Cols: %d (%d)"), incellhd.cols, icols);
G_message(_("Rows: %d (%d)"), incellhd.rows, irows);
G_message(_("North: %f (%f)"), incellhd.north, inorth);
G_message(_("South: %f (%f)"), incellhd.south, isouth);
G_message(_("West: %f (%f)"), incellhd.west, iwest);
G_message(_("East: %f (%f)"), incellhd.east, ieast);
G_message(_("EW-res: %f"), incellhd.ew_res);
G_message(_("NS-res: %f"), incellhd.ns_res);
G_message(" ");
G_message(_("Output:"));
G_message(_("Cols: %d (%d)"), outcellhd.cols, ocols);
G_message(_("Rows: %d (%d)"), outcellhd.rows, orows);
G_message(_("North: %f (%f)"), outcellhd.north, onorth);
G_message(_("South: %f (%f)"), outcellhd.south, osouth);
G_message(_("West: %f (%f)"), outcellhd.west, owest);
G_message(_("East: %f (%f)"), outcellhd.east, oeast);
G_message(_("EW-res: %f"), outcellhd.ew_res);
G_message(_("NS-res: %f"), outcellhd.ns_res);
G_message(" ");
/* open and read the relevant parts of the input map and close it */
G__switch_env();
Rast_set_input_window(&incellhd);
fdi = Rast_open_old(inmap->answer, setname);
cell_type = Rast_get_map_type(fdi);
ibuffer = readcell(fdi, memory->answer);
Rast_close(fdi);
G__switch_env();
Rast_set_output_window(&outcellhd);
if (strcmp(interpol->answer, "nearest") == 0) {
fdo = Rast_open_new(mapname, cell_type);
obuffer = (CELL *) Rast_allocate_output_buf(cell_type);
}
else {
fdo = Rast_open_fp_new(mapname);
cell_type = FCELL_TYPE;
obuffer = (FCELL *) Rast_allocate_output_buf(cell_type);
}
cell_size = Rast_cell_size(cell_type);
xcoord1 = xcoord2 = outcellhd.west + (outcellhd.ew_res / 2);
/**/ ycoord1 = ycoord2 = outcellhd.north - (outcellhd.ns_res / 2);
/**/ G_important_message(_("Projecting..."));
G_percent(0, outcellhd.rows, 2);
for (row = 0; row < outcellhd.rows; row++) {
obufptr = obuffer;
for (col = 0; col < outcellhd.cols; col++) {
/* project coordinates in output matrix to */
/* coordinates in input matrix */
if (pj_do_proj(&xcoord1, &ycoord1, &oproj, &iproj) < 0)
Rast_set_null_value(obufptr, 1, cell_type);
else {
/* convert to row/column indices of input matrix */
col_idx = (xcoord1 - incellhd.west) / incellhd.ew_res;
row_idx = (incellhd.north - ycoord1) / incellhd.ns_res;
/* and resample data point */
interpolate(ibuffer, obufptr, cell_type,
&col_idx, &row_idx, &incellhd);
}
obufptr = G_incr_void_ptr(obufptr, cell_size);
xcoord2 += outcellhd.ew_res;
xcoord1 = xcoord2;
ycoord1 = ycoord2;
}
Rast_put_row(fdo, obuffer, cell_type);
xcoord1 = xcoord2 = outcellhd.west + (outcellhd.ew_res / 2);
ycoord2 -= outcellhd.ns_res;
ycoord1 = ycoord2;
G_percent(row, outcellhd.rows - 1, 2);
}
Rast_close(fdo);
if (have_colors > 0) {
Rast_write_colors(mapname, G_mapset(), &colr);
Rast_free_colors(&colr);
}
Rast_short_history(mapname, "raster", &history);
Rast_command_history(&history);
Rast_write_history(mapname, &history);
G_done_msg(NULL);
exit(EXIT_SUCCESS);
}
int get_item(FILE * fd, int *type, long *cat, double **x, double **y,
int *count, struct Categories *labels)
{
static double *X = NULL;
static double *Y = NULL;
static int nalloc = 0;
char buf[1024];
char lbl[1024];
char east[256], north[256];
double e, n;
long offset;
*cat = 0;
*count = 0;
*type = 0;
/* scan until we find the start of a new feature */
while (G_getl2(buf, sizeof buf, fd)) {
/* skip comments and blank lines */
if ((*buf == '#') || (*buf == '\0'))
continue;
G_strip(buf);
if (*buf == 'A' || *buf == 'a') {
*type = 'A';
break;
}
if (*buf == 'L' || *buf == 'l') {
*type = 'L';
break;
}
if (*buf == 'P' || *buf == 'p') {
*type = 'P';
break;
}
}
if (*type == 0)
return 0;
/* read the feature's data */
while (1) {
offset = G_ftell(fd);
if (!G_getl2(buf, (sizeof buf) - 1, fd))
break;
/* skip comments and blank lines */
if ((*buf == '#') || (*buf == '\0'))
continue;
G_strip(buf);
/* if we've found the next feature, rewind to the start of it and complete */
if (*buf == 'A' || *buf == 'a' ||
*buf == 'L' || *buf == 'l' || *buf == 'P' || *buf == 'p') {
G_fseek(fd, offset, 0);
break;
}
/* if we found a cat (and optionally a label), read them and continue to scan */
if (*buf == '=') {
if (sscanf(buf + 1, "%ld", cat) != 1)
continue;
/* probably change this as G_getl2() doesn't store the new line (?) */
if (sscanf(buf + 1, "%ld%[^\n]", cat, lbl) == 2) {
G_strip(lbl);
Rast_set_c_cat((CELL*) cat, (CELL *) cat, lbl, labels);
}
continue;
}
if (sscanf(buf, "%s %s", east, north) != 2) {
G_warning(_("Illegal coordinate <%s, %s>, skipping."), east, north);
continue;
}
if (!G_scan_northing(north, &n, G_projection())) {
G_warning(_("Illegal north coordinate <%s>, skipping."), north);
continue;
}
if (!G_scan_easting(east, &e, G_projection())) {
G_warning(_("Illegal east coordinate <%s>, skipping."), east);
continue;
}
if (*count >= nalloc) {
nalloc += 32;
X = (double *)G_realloc(X, nalloc * sizeof(double));
Y = (double *)G_realloc(Y, nalloc * sizeof(double));
}
X[*count] = e;
Y[*count] = n;
(*count)++;
}
*x = X;
*y = Y;
return 1;
}
int main(int argc, char *argv[])
{
char *terrainmap, *seedmap, *lakemap, *mapset;
int rows, cols, in_terran_fd, out_fd, lake_fd, row, col, pases, pass;
int lastcount, curcount, start_col = 0, start_row = 0;
double east, north, area = 0, volume = 0;
FCELL **in_terran, **out_water, water_level, max_depth = 0, min_depth = 0;
FCELL water_window[3][3];
struct Option *tmap_opt, *smap_opt, *wlvl_opt, *lake_opt, *sdxy_opt;
struct Flag *negative_flag, *overwrite_flag;
struct GModule *module;
struct Colors colr;
struct Cell_head window;
struct History history;
G_gisinit(argv[0]);
module = G_define_module();
module->keywords = _("raster, hydrology");
module->description = _("Fills lake at given point to given level.");
tmap_opt = G_define_option();
tmap_opt->key = "dem";
tmap_opt->key_desc = "name";
tmap_opt->description = _("Name of terrain raster map (DEM)");
tmap_opt->type = TYPE_STRING;
tmap_opt->gisprompt = "old,cell,raster";
tmap_opt->required = YES;
wlvl_opt = G_define_option();
wlvl_opt->key = "wl";
wlvl_opt->description = _("Water level");
wlvl_opt->type = TYPE_DOUBLE;
wlvl_opt->required = YES;
lake_opt = G_define_option();
lake_opt->key = "lake";
lake_opt->key_desc = "name";
lake_opt->description = _("Name for output raster map with lake");
lake_opt->type = TYPE_STRING;
lake_opt->gisprompt = "new,cell,raster";
lake_opt->required = NO;
sdxy_opt = G_define_option();
sdxy_opt->key = "xy";
sdxy_opt->description = _("Seed point coordinates");
sdxy_opt->type = TYPE_DOUBLE;
sdxy_opt->key_desc = "east,north";
sdxy_opt->required = NO;
sdxy_opt->multiple = NO;
smap_opt = G_define_option();
smap_opt->key = "seed";
smap_opt->key_desc = "name";
smap_opt->description =
_("Name of raster map with given starting point(s) (at least 1 cell > 0)");
smap_opt->type = TYPE_STRING;
smap_opt->gisprompt = "old,cell,raster";
smap_opt->required = NO;
negative_flag = G_define_flag();
negative_flag->key = 'n';
negative_flag->description =
_("Use negative depth values for lake raster map");
overwrite_flag = G_define_flag();
overwrite_flag->key = 'o';
overwrite_flag->description =
_("Overwrite seed map with result (lake) map");
if (G_parser(argc, argv)) /* Returns 0 if successful, non-zero otherwise */
exit(EXIT_FAILURE);
if (smap_opt->answer && sdxy_opt->answer)
G_fatal_error(_("Both seed map and coordinates cannot be specified"));
if (!smap_opt->answer && !sdxy_opt->answer)
G_fatal_error(_("Seed map or seed coordinates must be set!"));
if (sdxy_opt->answer && !lake_opt->answer)
G_fatal_error(_("Seed coordinates and output map lake= must be set!"));
if (lake_opt->answer && overwrite_flag->answer)
G_fatal_error(_("Both lake and overwrite cannot be specified"));
if (!lake_opt->answer && !overwrite_flag->answer)
G_fatal_error(_("Output lake map or overwrite flag must be set!"));
terrainmap = tmap_opt->answer;
seedmap = smap_opt->answer;
sscanf(wlvl_opt->answer, "%f", &water_level);
lakemap = lake_opt->answer;
/* If lakemap is set, write to it, else is set overwrite flag and we should write to seedmap. */
if (lakemap) {
lake_fd = G_open_raster_new(lakemap, 1);
if (lake_fd < 0)
G_fatal_error(_("Unable to create raster map <%s>"), lakemap);
}
rows = G_window_rows();
cols = G_window_cols();
/* If we use x,y as seed... */
if (sdxy_opt->answer) {
G_get_window(&window);
east = window.east;
north = window.north;
G_scan_easting(sdxy_opt->answers[0], &east, G_projection());
G_scan_northing(sdxy_opt->answers[1], &north, G_projection());
start_col = (int)G_easting_to_col(east, &window);
start_row = (int)G_northing_to_row(north, &window);
if (start_row < 0 || start_row > rows ||
start_col < 0 || start_col > cols)
G_fatal_error(_("Seed point outside the current region"));
}
/* Open terran map */
mapset = G_find_cell2(terrainmap, "");
if (mapset == NULL)
G_fatal_error(_("Raster map <%s> not found"), terrainmap);
in_terran_fd = G_open_cell_old(terrainmap, mapset);
if (in_terran_fd < 0)
G_fatal_error(_("Unable to open raster map <%s>"),
G_fully_qualified_name(terrainmap, mapset));
/* Open seed map */
if (smap_opt->answer) {
mapset = G_find_cell2(seedmap, "");
if (mapset == NULL)
G_fatal_error(_("Raster map <%s> not found"), seedmap);
out_fd = G_open_cell_old(seedmap, mapset);
if (out_fd < 0)
G_fatal_error(_("Unable to open raster map <%s>"),
G_fully_qualified_name(seedmap, mapset));
}
/* Pointers to rows. Row = ptr to 'col' size array. */
in_terran = (FCELL **) G_malloc(rows * sizeof(FCELL *));
out_water = (FCELL **) G_malloc(rows * sizeof(FCELL *));
if (in_terran == NULL || out_water == NULL)
G_fatal_error(_("G_malloc: out of memory"));
G_debug(1, "Loading maps...");
/* foo_rows[row] == array with data (2d array). */
for (row = 0; row < rows; row++) {
in_terran[row] = (FCELL *) G_malloc(cols * sizeof(FCELL));
out_water[row] = (FCELL *) G_calloc(cols, sizeof(FCELL));
/* In newly created space load data from file. */
if (G_get_f_raster_row(in_terran_fd, in_terran[row], row) != 1)
G_fatal_error(_("Unable to read raster map <%s> row %d"),
terrainmap, row);
if (smap_opt->answer)
if (G_get_f_raster_row(out_fd, out_water[row], row) != 1)
G_fatal_error(_("Unable to read raster map <%s> row %d"),
seedmap, row);
G_percent(row + 1, rows, 5);
}
/* Set seed point */
if (sdxy_opt->answer)
/* Check is water level higher than seed point */
if (in_terran[start_row][start_col] >= water_level)
G_fatal_error(_("Given water level at seed point is below earth surface. "
"Increase water level or move seed point."));
out_water[start_row][start_col] = 1;
/* Close seed map for reading. */
if (smap_opt->answer)
G_close_cell(out_fd);
/* Open output map for writing. */
if (lakemap) {
out_fd = lake_fd;
}
else {
out_fd = G_open_raster_new(seedmap, 1);
if (out_fd < 0)
G_fatal_error(_("Unable to create raster map <%s>"), seedmap);
}
/* More pases are renudant. Real pases count is controled by altered cell count. */
pases = (int)(rows * cols) / 2;
G_debug(1,
"Starting lake filling at level of %8.4f in %d passes. Percent done:",
water_level, pases);
lastcount = 0;
for (pass = 0; pass < pases; pass++) {
G_debug(3, "Pass: %d", pass);
curcount = 0;
/* Move from left upper corner to right lower corner. */
for (row = 0; row < rows; row++) {
for (col = 0; col < cols; col++) {
/* Loading water data into window. */
load_window_values(out_water, water_window, rows, cols, row,
col);
/* Cheking presence of water. */
if (is_near_water(water_window) == 1) {
if (in_terran[row][col] < water_level) {
out_water[row][col] =
water_level - in_terran[row][col];
curcount++;
}
else {
out_water[row][col] = 0; /* Cell is higher than water level -> NULL. */
}
}
}
}
if (curcount == lastcount)
break; /* We done. */
lastcount = curcount;
curcount = 0;
/* Move backwards - from lower right corner to upper left corner. */
for (row = rows - 1; row >= 0; row--) {
for (col = cols - 1; col >= 0; col--) {
load_window_values(out_water, water_window, rows, cols, row,
col);
if (is_near_water(water_window) == 1) {
if (in_terran[row][col] < water_level) {
out_water[row][col] =
water_level - in_terran[row][col];
curcount++;
}
else {
out_water[row][col] = 0;
}
}
}
}
G_percent(pass + 1, pases, 10);
if (curcount == lastcount)
break; /* We done. */
lastcount = curcount;
} /*pases */
G_percent(pases, pases, 10); /* Show 100%. */
save_map(out_water, out_fd, rows, cols, negative_flag->answer, &min_depth,
&max_depth, &area, &volume);
G_message(_("Lake depth from %f to %f"), min_depth, max_depth);
G_message(_("Lake area %f square meters"), area);
G_message(_("Lake volume %f cubic meters"), volume);
G_warning(_("Volume is correct only if lake depth (terrain raster map) is in meters"));
/* Close all files. Lake map gets written only now. */
G_close_cell(in_terran_fd);
G_close_cell(out_fd);
/* Add blue color gradient from light bank to dark depth */
G_init_colors(&colr);
if (negative_flag->answer == 1) {
G_add_f_raster_color_rule(&max_depth, 0, 240, 255,
&min_depth, 0, 50, 170, &colr);
}
else {
G_add_f_raster_color_rule(&min_depth, 0, 240, 255,
&max_depth, 0, 50, 170, &colr);
}
if (G_write_colors(lakemap, G_mapset(), &colr) != 1)
G_fatal_error(_("Unable to read color file of raster map <%s>"),
lakemap);
G_short_history(lakemap, "raster", &history);
G_command_history(&history);
G_write_history(lakemap, &history);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
struct GModule *module;
struct Option *in_opt, *layer_opt, *out_opt, *length_opt, *units_opt, *vertices_opt;
struct Map_info In, Out;
struct line_pnts *Points, *Points2;
struct line_cats *Cats;
int line, nlines, layer;
double length = -1;
int vertices = 0;
double (*line_length) ();
int latlon = 0;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("geometry"));
module->description = _("Splits vector lines to shorter segments.");
in_opt = G_define_standard_option(G_OPT_V_INPUT);
layer_opt = G_define_standard_option(G_OPT_V_FIELD_ALL);
out_opt = G_define_standard_option(G_OPT_V_OUTPUT);
length_opt = G_define_option();
length_opt->key = "length";
length_opt->type = TYPE_DOUBLE;
length_opt->required = NO;
length_opt->multiple = NO;
length_opt->description = _("Maximum segment length");
units_opt = G_define_option();
units_opt->key = "units";
units_opt->type = TYPE_STRING;
units_opt->required = NO;
units_opt->multiple = NO;
units_opt->options = "meters,kilometers,feet,miles,nautmiles";
units_opt->answer = "meters";
units_opt->description = _("Length units");
vertices_opt = G_define_option();
vertices_opt->key = "vertices";
vertices_opt->type = TYPE_INTEGER;
vertices_opt->required = NO;
vertices_opt->multiple = NO;
vertices_opt->description = _("Maximum number of vertices in segment");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
if ((length_opt->answer && vertices_opt->answer) ||
!(length_opt->answer || vertices_opt->answer))
G_fatal_error(_("Use either length or vertices"));
line_length = NULL;
if (length_opt->answer) {
length = atof(length_opt->answer);
if (length <= 0)
G_fatal_error(_("Length must be positive but is %g"), length);
/* convert length to meters */
if (strcmp(units_opt->answer, "meters") == 0)
/* do nothing */ ;
else if (strcmp(units_opt->answer, "kilometers") == 0)
length *= FROM_KILOMETERS;
else if (strcmp(units_opt->answer, "feet") == 0)
length *= FROM_FEET;
else if (strcmp(units_opt->answer, "miles") == 0)
length *= FROM_MILES;
else if (strcmp(units_opt->answer, "nautmiles") == 0)
length *= FROM_NAUTMILES;
else
G_fatal_error(_("Unknown unit %s"), units_opt->answer);
/* set line length function */
if ((latlon = (G_projection() == PROJECTION_LL)) == 1)
line_length = Vect_line_geodesic_length;
else {
double factor;
line_length = Vect_line_length;
/* convert length to map units */
if ((factor = G_database_units_to_meters_factor()) == 0)
G_fatal_error(_("Can not get projection units"));
else {
/* meters to units */
length = length / factor;
}
}
G_verbose_message(_("length in %s: %g"), (latlon ? "meters" : "map units"), length);
}
if (vertices_opt->answer) {
vertices = atoi(vertices_opt->answer);
if (vertices < 2)
G_fatal_error(_("Number of vertices must be at least 2"));
}
Vect_set_open_level(2);
Vect_open_old2(&In, in_opt->answer, "", layer_opt->answer);
layer = Vect_get_field_number(&In, layer_opt->answer);
Vect_open_new(&Out, out_opt->answer, Vect_is_3d(&In));
Vect_copy_head_data(&In, &Out);
Vect_hist_copy(&In, &Out);
Vect_hist_command(&Out);
Vect_copy_tables(&In, &Out, layer);
Points = Vect_new_line_struct();
Points2 = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
nlines = Vect_get_num_lines(&In);
for (line = 1; line <= nlines; line++) {
int ltype;
G_percent(line, nlines, 1);
if (!Vect_line_alive(&In, line))
continue;
ltype = Vect_read_line(&In, Points, Cats, line);
if (layer != -1 && !Vect_cat_get(Cats, layer, NULL))
continue;
if (ltype & GV_LINES) {
if (length > 0) {
double l, from, to, step;
l = line_length(Points);
if (l <= length) {
Vect_write_line(&Out, ltype, Points, Cats);
}
else {
int n, i;
n = ceil(l / length);
if (latlon)
l = Vect_line_length(Points);
step = l / n;
from = 0.;
for (i = 0; i < n; i++) {
int ret;
double x, y, z;
if (i == n - 1) {
to = l; /* to be sure that it goes to end */
}
else {
to = from + step;
}
ret = Vect_line_segment(Points, from, to, Points2);
if (ret == 0) {
G_warning(_("Unable to make line segment: %f - %f (line length = %f)"),
from, to, l);
continue;
}
/* To be sure that the coordinates are identical */
if (i > 0) {
Points2->x[0] = x;
Points2->y[0] = y;
Points2->z[0] = z;
}
if (i == n - 1) {
Points2->x[Points2->n_points - 1] =
Points->x[Points->n_points - 1];
Points2->y[Points2->n_points - 1] =
Points->y[Points->n_points - 1];
Points2->z[Points2->n_points - 1] =
Points->z[Points->n_points - 1];
}
Vect_write_line(&Out, ltype, Points2, Cats);
/* last point */
x = Points2->x[Points2->n_points - 1];
y = Points2->y[Points2->n_points - 1];
z = Points2->z[Points2->n_points - 1];
from += step;
}
}
}
else {
int start = 0; /* number of coordinates written */
while (start < Points->n_points - 1) {
int i, v;
Vect_reset_line(Points2);
for (i = 0; i < vertices; i++) {
v = start + i;
if (v == Points->n_points)
break;
Vect_append_point(Points2, Points->x[v], Points->y[v],
Points->z[v]);
}
Vect_write_line(&Out, ltype, Points2, Cats);
start = v;
}
}
}
else {
Vect_write_line(&Out, ltype, Points, Cats);
}
}
Vect_close(&In);
Vect_build(&Out);
Vect_close(&Out);
exit(EXIT_SUCCESS);
}
void print_info(const struct Map_info *Map)
{
int i;
char line[100];
char tmp1[100], tmp2[100];
struct bound_box box;
divider('+');
if (Vect_maptype(Map) & (GV_FORMAT_OGR | GV_FORMAT_OGR_DIRECT)) {
/* for OGR format print also datasource and layer */
sprintf(line, "%-17s%s", _("OGR layer:"),
Vect_get_ogr_layer_name(Map));
printline(line);
sprintf(line, "%-17s%s", _("OGR datasource:"),
Vect_get_ogr_dsn_name(Map));
printline(line);
}
else {
sprintf(line, "%-17s%s", _("Name:"),
Vect_get_name(Map));
printline(line);
sprintf(line, "%-17s%s", _("Mapset:"),
Vect_get_mapset(Map));
printline(line);
}
sprintf(line, "%-17s%s", _("Location:"),
G_location());
printline(line);
sprintf(line, "%-17s%s", _("Database:"),
G_gisdbase());
printline(line);
sprintf(line, "%-17s%s", _("Title:"),
Vect_get_map_name(Map));
printline(line);
sprintf(line, "%-17s1:%d", _("Map scale:"),
Vect_get_scale(Map));
printline(line);
if (Vect_maptype(Map) & (GV_FORMAT_OGR | GV_FORMAT_OGR_DIRECT)) {
sprintf(line, "%-17s%s (%s)", _("Map format:"),
Vect_maptype_info(Map), Vect_get_ogr_format_info(Map));
}
else {
sprintf(line, "%-17s%s", _("Map format:"),
Vect_maptype_info(Map));
}
printline(line);
sprintf(line, "%-17s%s", _("Name of creator:"),
Vect_get_person(Map));
printline(line);
sprintf(line, "%-17s%s", _("Organization:"),
Vect_get_organization(Map));
printline(line);
sprintf(line, "%-17s%s", _("Source date:"),
Vect_get_map_date(Map));
printline(line);
divider('|');
sprintf(line, " %s: %s (%s: %i)",
_("Type of map"), _("vector"), _("level"), Vect_level(Map));
printline(line);
if (Vect_level(Map) > 0) {
printline("");
sprintf(line,
" %-24s%-9d %-22s%-9d",
_("Number of points:"),
Vect_get_num_primitives(Map, GV_POINT),
_("Number of centroids:"),
Vect_get_num_primitives(Map, GV_CENTROID));
printline(line);
sprintf(line,
" %-24s%-9d %-22s%-9d",
_("Number of lines:"),
Vect_get_num_primitives(Map, GV_LINE),
_("Number of boundaries:"),
Vect_get_num_primitives(Map, GV_BOUNDARY));
printline(line);
sprintf(line,
" %-24s%-9d %-22s%-9d",
_("Number of areas:"),
Vect_get_num_areas(Map),
_("Number of islands:"),
Vect_get_num_islands(Map));
printline(line);
if (Vect_is_3d(Map)) {
sprintf(line,
" %-24s%-9d %-22s%-9d",
_("Number of faces:"),
Vect_get_num_primitives(Map, GV_FACE),
_("Number of kernels:"),
Vect_get_num_primitives(Map, GV_KERNEL));
printline(line);
sprintf(line,
" %-24s%-9d %-22s%-9d",
_("Number of volumes:"),
Vect_get_num_volumes(Map),
_("Number of holes:"),
Vect_get_num_holes(Map));
printline(line);
}
printline("");
sprintf(line, " %-24s%s",
_("Map is 3D:"),
Vect_is_3d(Map) ? _("Yes") : _("No"));
printline(line);
sprintf(line, " %-24s%-9d",
_("Number of dblinks:"),
Vect_get_num_dblinks(Map));
printline(line);
}
printline("");
/* this differs from r.info in that proj info IS taken from the map here, not the location settings */
/* Vect_get_proj_name() and _zone() are typically unset?! */
if (G_projection() == PROJECTION_UTM)
sprintf(line, " %s: %s (%s %d)",
_("Projection:"),
Vect_get_proj_name(Map),
_("zone"), Vect_get_zone(Map));
else
sprintf(line, " %s: %s",
_("Projection"),
Vect_get_proj_name(Map));
printline(line);
printline("");
Vect_get_map_box(Map, &box);
G_format_northing(box.N, tmp1, G_projection());
G_format_northing(box.S, tmp2, G_projection());
sprintf(line, " %c: %17s %c: %17s",
'N', tmp1, 'S', tmp2);
printline(line);
G_format_easting(box.E, tmp1, G_projection());
G_format_easting(box.W, tmp2, G_projection());
sprintf(line, " %c: %17s %c: %17s",
'E', tmp1, 'W', tmp2);
printline(line);
if (Vect_is_3d(Map)) {
format_double(box.B, tmp1);
format_double(box.T, tmp2);
sprintf(line, " %c: %17s %c: %17s",
'B', tmp1, 'T', tmp2);
printline(line);
}
printline("");
format_double(Vect_get_thresh(Map), tmp1);
sprintf(line, " %s: %s", _("Digitization threshold"), tmp1);
printline(line);
sprintf(line, " %s:", _("Comment"));
printline(line);
sprintf(line, " %s", Vect_get_comment(Map));
printline(line);
divider('+');
fprintf(stdout, "\n");
}
int main(int argc, char **argv)
{
struct Option *input_opt, *output_opt, *afield_opt, *nfield_opt,
*tfield_opt, *tucfield_opt, *afcol, *abcol, *ncol, *type_opt;
struct Option *max_dist, *file_opt;
struct Flag *geo_f, *segments_f, *turntable_f;
struct GModule *module;
struct Map_info In, Out;
int type, afield, nfield, tfield, tucfield, geo;
double maxdist;
/* Initialize the GIS calls */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("network"));
G_add_keyword(_("shortest path"));
module->description = _("Finds shortest path on vector network.");
input_opt = G_define_standard_option(G_OPT_V_INPUT);
output_opt = G_define_standard_option(G_OPT_V_OUTPUT);
afield_opt = G_define_standard_option(G_OPT_V_FIELD);
afield_opt->key = "arc_layer";
afield_opt->answer = "1";
afield_opt->required = YES;
afield_opt->label = _("Arc layer");
type_opt = G_define_standard_option(G_OPT_V_TYPE);
type_opt->key = "arc_type";
type_opt->options = "line,boundary";
type_opt->answer = "line,boundary";
type_opt->required = YES;
type_opt->label = _("Arc type");
nfield_opt = G_define_standard_option(G_OPT_V_FIELD);
nfield_opt->key = "node_layer";
nfield_opt->answer = "2";
nfield_opt->required = YES;
nfield_opt->label = _("Node layer");
file_opt = G_define_standard_option(G_OPT_F_INPUT);
file_opt->key = "file";
file_opt->required = NO;
file_opt->description = _("Name of file containing start and end points. "
"If not given, read from stdin");
afcol = G_define_option();
afcol->key = "arc_column";
afcol->type = TYPE_STRING;
afcol->required = NO;
afcol->description = _("Arc forward/both direction(s) cost column (number)");
afcol->guisection = _("Cost");
abcol = G_define_option();
abcol->key = "arc_backward_column";
abcol->type = TYPE_STRING;
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");
max_dist = G_define_option();
max_dist->key = "dmax";
max_dist->type = TYPE_DOUBLE;
max_dist->required = NO;
max_dist->answer = "1000";
max_dist->label = _("Maximum distance to the network");
max_dist->description = _("If start/end are given as coordinates. "
"If start/end point is outside this threshold, "
"the path is not found "
"and error message is printed. To speed up the process, keep this "
"value as low as possible.");
turntable_f = G_define_flag();
turntable_f->key = 't';
turntable_f->description = _("Use turntable");
turntable_f->guisection = _("Turntable");
tfield_opt = G_define_standard_option(G_OPT_V_FIELD);
tfield_opt->key = "turn_layer";
tfield_opt->answer = "3";
tfield_opt->label = _("Layer with turntable");
tfield_opt->description =
_("Relevant only with -t flag");
tfield_opt->guisection = _("Turntable");
tucfield_opt = G_define_standard_option(G_OPT_V_FIELD);
tucfield_opt->key = "turn_cat_layer";
tucfield_opt->answer = "4";
tucfield_opt->label = _("Layer with unique categories used in turntable");
tucfield_opt->description =
_("Relevant only with -t flag");
tucfield_opt->guisection = _("Turntable");
geo_f = G_define_flag();
geo_f->key = 'g';
geo_f->description =
_("Use geodesic calculation for longitude-latitude locations");
segments_f = G_define_flag();
segments_f->key = 's';
segments_f->description = _("Write output as original input segments, "
"not each path as one line.");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
type = Vect_option_to_types(type_opt);
maxdist = atof(max_dist->answer);
if (geo_f->answer) {
geo = 1;
if (G_projection() != PROJECTION_LL)
G_warning(_("The current projection is not longitude-latitude"));
}
else
geo = 0;
Vect_check_input_output_name(input_opt->answer, output_opt->answer,
G_FATAL_EXIT);
Vect_set_open_level(2);
if (Vect_open_old(&In, input_opt->answer, "") < 0)
G_fatal_error(_("Unable to open vector map <%s>"), input_opt->answer);
afield = Vect_get_field_number(&In, afield_opt->answer);
nfield = Vect_get_field_number(&In, nfield_opt->answer);
tfield = Vect_get_field_number(&In, tfield_opt->answer);
tucfield = Vect_get_field_number(&In, tucfield_opt->answer);
if (1 > Vect_open_new(&Out, output_opt->answer, Vect_is_3d(&In))) {
Vect_close(&In);
G_fatal_error(_("Unable to create vector map <%s>"),
output_opt->answer);
}
Vect_hist_command(&Out);
if (turntable_f->answer)
Vect_net_ttb_build_graph(&In, type, afield, nfield, tfield, tucfield,
afcol->answer, abcol->answer, ncol->answer,
geo, 0);
else
Vect_net_build_graph(&In, type, afield, nfield, afcol->answer,
abcol->answer, ncol->answer, geo, 0);
path(&In, &Out, file_opt->answer, nfield, maxdist, segments_f->answer,
tucfield, turntable_f->answer);
Vect_close(&In);
Vect_build(&Out);
Vect_close(&Out);
exit(EXIT_SUCCESS);
}
/* ************************************************************************* */
int main(int argc, char *argv[])
{
struct GModule *module = NULL;
N_solute_transport_data2d *data = NULL;
N_geom_data *geom = NULL;
N_les *les = NULL;
N_les_callback_2d *call = NULL;
struct Cell_head region;
double error, sor;
char *solver;
int x, y, stat, i, maxit = 1;
double loops = 1;
N_array_2d *xcomp = NULL;
N_array_2d *ycomp = NULL;
N_array_2d *hc_x = NULL;
N_array_2d *hc_y = NULL;
N_array_2d *phead = NULL;
double time_step, cfl, length, time_loops, time_sum;
/* Initialize GRASS */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("hydrology"));
G_add_keyword(_("solute transport"));
module->description =
_("Numerical calculation program for transient, confined and unconfined "
"solute transport in two dimensions");
/* Get parameters from user */
set_params();
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/* Make sure that the current projection is not lat/long */
if ((G_projection() == PROJECTION_LL))
G_fatal_error(_("Lat/Long location is not supported by %s. Please reproject map first."),
G_program_name());
/*Set the maximum iterations */
sscanf(param.maxit->answer, "%i", &(maxit));
/*Set the calculation error break criteria */
sscanf(param.error->answer, "%lf", &(error));
sscanf(param.sor->answer, "%lf", &(sor));
/*number of loops*/
sscanf(param.loops->answer, "%lf", &(loops));
/*Set the solver */
solver = param.solver->answer;
if (strcmp(solver, G_MATH_SOLVER_DIRECT_LU) == 0 && !param.full_les->answer)
G_fatal_error(_("The direct LU solver do not work with sparse matrices"));
if (strcmp(solver, G_MATH_SOLVER_DIRECT_GAUSS) == 0 && !param.full_les->answer)
G_fatal_error(_("The direct Gauss solver do not work with sparse matrices"));
/*get the current region */
G_get_set_window(®ion);
/*allocate the geometry structure for geometry and area calculation */
geom = N_init_geom_data_2d(®ion, geom);
/*Set the function callback to the groundwater flow function */
call = N_alloc_les_callback_2d();
N_set_les_callback_2d_func(call, (*N_callback_solute_transport_2d)); /*solute_transport 2d */
/*Allocate the groundwater flow data structure */
data = N_alloc_solute_transport_data2d(geom->cols, geom->rows);
/*Set the stabilizing scheme*/
if (strncmp("full", param.stab->answer, 4) == 0) {
data->stab = N_UPWIND_FULL;
}
if (strncmp("exp", param.stab->answer, 3) == 0) {
data->stab = N_UPWIND_EXP;
}
/*the dispersivity lengths*/
sscanf(param.al->answer, "%lf", &(data->al));
sscanf(param.at->answer, "%lf", &(data->at));
/*Set the calculation time */
sscanf(param.dt->answer, "%lf", &(data->dt));
/*read all input maps into the memory and take care of the
* null values.*/
N_read_rast_to_array_2d(param.c->answer, data->c);
N_convert_array_2d_null_to_zero(data->c);
N_read_rast_to_array_2d(param.c->answer, data->c_start);
N_convert_array_2d_null_to_zero(data->c_start);
N_read_rast_to_array_2d(param.status->answer, data->status);
N_convert_array_2d_null_to_zero(data->status);
N_read_rast_to_array_2d(param.diff_x->answer, data->diff_x);
N_convert_array_2d_null_to_zero(data->diff_x);
N_read_rast_to_array_2d(param.diff_y->answer, data->diff_y);
N_convert_array_2d_null_to_zero(data->diff_y);
N_read_rast_to_array_2d(param.q->answer, data->q);
N_convert_array_2d_null_to_zero(data->q);
N_read_rast_to_array_2d(param.nf->answer, data->nf);
N_convert_array_2d_null_to_zero(data->nf);
N_read_rast_to_array_2d(param.cs->answer, data->cs);
N_convert_array_2d_null_to_zero(data->cs);
N_read_rast_to_array_2d(param.top->answer, data->top);
N_convert_array_2d_null_to_zero(data->top);
N_read_rast_to_array_2d(param.bottom->answer, data->bottom);
N_convert_array_2d_null_to_zero(data->bottom);
N_read_rast_to_array_2d(param.r->answer, data->R);
N_convert_array_2d_null_to_zero(data->R);
if(param.cin->answer) {
N_read_rast_to_array_2d(param.cin->answer, data->cin);
N_convert_array_2d_null_to_zero(data->cin);
}
/*initiate the values for velocity calculation*/
hc_x = N_alloc_array_2d(geom->cols, geom->rows, 1, DCELL_TYPE);
hc_x = N_read_rast_to_array_2d(param.hc_x->answer, hc_x);
N_convert_array_2d_null_to_zero(hc_x);
hc_y = N_alloc_array_2d(geom->cols, geom->rows, 1, DCELL_TYPE);
hc_y = N_read_rast_to_array_2d(param.hc_y->answer, hc_y);
N_convert_array_2d_null_to_zero(hc_y);
phead = N_alloc_array_2d(geom->cols, geom->rows, 1, DCELL_TYPE);
phead = N_read_rast_to_array_2d(param.phead->answer, phead);
N_convert_array_2d_null_to_zero(phead);
/* Set the inactive values to zero, to assure a no flow boundary */
for (y = 0; y < geom->rows; y++) {
for (x = 0; x < geom->cols; x++) {
stat = (int)N_get_array_2d_d_value(data->status, x, y);
if (stat == N_CELL_INACTIVE) { /*only inactive cells */
N_put_array_2d_d_value(data->diff_x, x, y, 0);
N_put_array_2d_d_value(data->diff_y, x, y, 0);
N_put_array_2d_d_value(data->cs, x, y, 0);
N_put_array_2d_d_value(data->q, x, y, 0);
}
}
}
/*compute the velocities */
N_math_array_2d(hc_x, data->nf, hc_x, N_ARRAY_DIV);
N_math_array_2d(hc_y, data->nf, hc_y, N_ARRAY_DIV);
N_compute_gradient_field_2d(phead, hc_x, hc_y, geom, data->grad);
/*Now compute the dispersivity tensor*/
N_calc_solute_transport_disptensor_2d(data);
/***************************************/
/*the Courant-Friedrichs-Lewy criteria */
/*Compute the correct time step */
if (geom->dx > geom->dy)
length = geom->dx;
else
length = geom->dy;
if (fabs(data->grad->max) > fabs(data->grad->min)) {
cfl = (double)data->dt * fabs(data->grad->max) / length;
time_step = 1*length / fabs(data->grad->max);
}
else {
cfl = (double)data->dt * fabs(data->grad->min) / length;
time_step = 1*length / fabs(data->grad->min);
}
G_message(_("The Courant-Friedrichs-Lewy criteria is %g it should be within [0:1]"), cfl);
G_message(_("The largest stable time step is %g"), time_step);
/*Set the number of inner loops and the time step*/
if (data->dt > time_step && param.cfl->answer) {
/*safe the user time step */
time_sum = data->dt;
time_loops = data->dt / time_step;
time_loops = floor(time_loops) + 1;
data->dt = data->dt / time_loops;
G_message(_("Number of inner loops is %g"), time_loops);
G_message(_("Time step for each loop %g"), data->dt);
}
else {
if(data->dt > time_step)
G_warning(_("The time step is to large: %gs. The largest time step should be of size %gs."), data->dt, time_step);
time_loops = loops;
data->dt = data->dt / loops;
}
N_free_array_2d(phead);
N_free_array_2d(hc_x);
N_free_array_2d(hc_y);
/*Compute for each time step*/
for (i = 0; i < time_loops; i++) {
G_message(_("Time step %i with time sum %g"), i + 1, (i + 1)*data->dt);
/*assemble the linear equation system and solve it */
les = create_solve_les(geom, data, call, solver, maxit, error, sor);
/* copy the result into the c array for output */
copy_result(data->status, data->c_start, les->x, ®ion, data->c, 1);
N_convert_array_2d_null_to_zero(data->c_start);
if (les)
N_free_les(les);
/*Set the start array*/
N_copy_array_2d(data->c, data->c_start);
/*Set the transmission boundary*/
N_calc_solute_transport_transmission_2d(data);
}
/*write the result to the output file */
N_write_array_2d_to_rast(data->c, param.output->answer);
/*Compute the the velocity field if required and write the result into three rast maps */
if (param.vector_x->answer || param.vector_y->answer) {
xcomp = N_alloc_array_2d(geom->cols, geom->rows, 1, DCELL_TYPE);
ycomp = N_alloc_array_2d(geom->cols, geom->rows, 1, DCELL_TYPE);
N_compute_gradient_field_components_2d(data->grad, xcomp, ycomp);
if (param.vector_x->answer)
N_write_array_2d_to_rast(xcomp, param.vector_x->answer);
if (param.vector_y->answer)
N_write_array_2d_to_rast(ycomp, param.vector_y->answer);
if (xcomp)
N_free_array_2d(xcomp);
if (ycomp)
N_free_array_2d(ycomp);
}
if (data)
N_free_solute_transport_data2d(data);
if (geom)
N_free_geom_data(geom);
if (call)
G_free(call);
return (EXIT_SUCCESS);
}
int G_site_put_new(FILE * fptr, Site * s, int has_cat)
/* Writes a site to file open on fptr. */
{
char ebuf[MAX_SITE_STRING], nbuf[MAX_SITE_STRING];
char xbuf[MAX_SITE_STRING], buf[MAX_SITE_LEN];
static int format_double();
int fmt, i, j, k;
int G_format_northing(), G_format_easting(), G_projection();
fmt = G_projection();
G_format_northing(s->north, nbuf, fmt);
G_format_easting(s->east, ebuf, fmt);
sprintf(buf, "%s|%s|", ebuf, nbuf);
for (i = 0; i < s->dim_alloc; ++i) {
format_double(s->dim[i], nbuf);
sprintf(xbuf, "%s|", nbuf);
strcat(buf, xbuf);
}
if (has_cat) {
switch (s->cattype) {
case CELL_TYPE:
sprintf(xbuf, "#%d ", s->ccat);
strcat(buf, xbuf);
break;
case FCELL_TYPE:
sprintf(xbuf, "#%g ", s->fcat);
strcat(buf, xbuf);
break;
case DCELL_TYPE:
sprintf(xbuf, "#%g ", s->dcat);
strcat(buf, xbuf);
break;
}
}
else { /* no cat there, so data in plain x,y,z format will be imported 12/99 MN */
/* we create a #cat entry in site_list from the current site number 11/99 */
sprintf(xbuf, "#%d ", loop);
loop++;
strcat(buf, xbuf);
}
/* now import attributes */
for (i = 0; i < s->dbl_alloc; ++i) {
format_double(s->dbl_att[i], nbuf);
sprintf(xbuf, "%%%s ", nbuf);
strcat(buf, xbuf);
}
for (i = 0; i < s->str_alloc; ++i) {
if (strlen(s->str_att[i]) != 0) {
/* escape double quotes */
j = k = 0;
if (G_index(s->str_att[i], DQUOTE) != (char *)NULL) {
while (!isnull(s->str_att[i][j])) {
if (isquote(s->str_att[i][j])) {
xbuf[k++] = BSLASH;
xbuf[k++] = DQUOTE;
}
else if (isbslash(s->str_att[i][j])) {
xbuf[k++] = BSLASH;
xbuf[k++] = BSLASH;
}
else
xbuf[k++] = s->str_att[i][j];
j++;
}
xbuf[k] = (char)NULL;
}
else
strcpy(xbuf, s->str_att[i]);
strcpy(s->str_att[i], xbuf);
if (G_index(s->str_att[i], SPACE) != (char *)NULL)
sprintf(xbuf, "@\"%s\" ", s->str_att[i]);
else
sprintf(xbuf, "@%s ", s->str_att[i]);
strcat(buf, xbuf);
}
}
fprintf(fptr, "%s\n", buf);
return 0;
}
int main(int argc, char *argv[])
{
char *name, *outfile;
const char *unit;
int unit_id;
double factor;
int fd, projection;
FILE *fp, *coor_fp;
double res;
char *null_string;
char ebuf[256], nbuf[256], label[512], formatbuff[256];
char b1[100], b2[100];
int n;
int havefirst = FALSE;
int coords = 0, i, k = -1;
double e1, e2, n1, n2;
RASTER_MAP_TYPE data_type;
struct Cell_head window;
struct
{
struct Option *opt1, *profile, *res, *output, *null_str, *coord_file, *units;
struct Flag *g, *c, *m;
}
parm;
struct GModule *module;
G_gisinit(argv[0]);
/* Set description */
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("profile"));
module->description =
_("Outputs the raster map layer values lying on user-defined line(s).");
parm.opt1 = G_define_standard_option(G_OPT_R_INPUT);
parm.output = G_define_standard_option(G_OPT_F_OUTPUT);
parm.output->required = NO;
parm.output->answer = "-";
parm.output->description =
_("Name of file for output (use output=- for stdout)");
parm.profile = G_define_standard_option(G_OPT_M_COORDS);
parm.profile->required = NO;
parm.profile->multiple = YES;
parm.profile->description = _("Profile coordinate pairs");
parm.coord_file = G_define_standard_option(G_OPT_F_INPUT);
parm.coord_file->key = "file";
parm.coord_file->required = NO;
parm.coord_file->label =
_("Name of input file containing coordinate pairs");
parm.coord_file->description =
_("Use instead of the 'coordinates' option. "
"\"-\" reads from stdin.");
parm.res = G_define_option();
parm.res->key = "resolution";
parm.res->type = TYPE_DOUBLE;
parm.res->required = NO;
parm.res->description =
_("Resolution along profile (default = current region resolution)");
parm.null_str = G_define_option();
parm.null_str->key = "null";
parm.null_str->type = TYPE_STRING;
parm.null_str->required = NO;
parm.null_str->answer = "*";
parm.null_str->description = _("Character to represent no data cell");
parm.g = G_define_flag();
parm.g->key = 'g';
parm.g->description =
_("Output easting and northing in first two columns of four column output");
parm.c = G_define_flag();
parm.c->key = 'c';
parm.c->description =
_("Output RRR:GGG:BBB color values for each profile point");
parm.units = G_define_standard_option(G_OPT_M_UNITS);
parm.units->options = "meters,kilometers,feet,miles";
parm.units->label = parm.units->description;
parm.units->description = _("If units are not specified, current location units are used. "
"Meters are used by default in geographic (latlon) locations.");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
clr = 0;
if (parm.c->answer)
clr = 1; /* color output */
null_string = parm.null_str->answer;
if ((parm.profile->answer && parm.coord_file->answer) ||
(!parm.profile->answer && !parm.coord_file->answer))
G_fatal_error(_("Either use profile option or coordinate_file "
" option, but not both"));
G_get_window(&window);
projection = G_projection();
/* get conversion factor and units name */
if (parm.units->answer) {
unit_id = G_units(parm.units->answer);
factor = 1. / G_meters_to_units_factor(unit_id);
unit = G_get_units_name(unit_id, 1, 0);
}
/* keep meters in case of latlon */
else if (projection == PROJECTION_LL) {
factor = 1;
unit = "meters";
}
else {
/* get conversion factor to current units */
unit = G_database_unit_name(1);
factor = G_database_units_to_meters_factor();
}
if (parm.res->answer) {
res = atof(parm.res->answer);
/* Catch bad resolution ? */
if (res <= 0)
G_fatal_error(_("Illegal resolution %g [%s]"), res / factor, unit);
}
else {
/* Do average of EW and NS res */
res = (window.ew_res + window.ns_res) / 2;
}
G_message(_("Using resolution: %g [%s]"), res / factor, unit);
G_begin_distance_calculations();
/* Open Input File for reading */
/* Get Input Name */
name = parm.opt1->answer;
if (parm.g->answer)
coords = 1;
/* Open Raster File */
fd = Rast_open_old(name, "");
/* initialize color structure */
if (clr)
Rast_read_colors(name, "", &colors);
/* Open ASCII file for output or stdout */
outfile = parm.output->answer;
if ((strcmp("-", outfile)) == 0) {
fp = stdout;
}
else if (NULL == (fp = fopen(outfile, "w")))
G_fatal_error(_("Unable to open file <%s>"), outfile);
/* Get Raster Type */
data_type = Rast_get_map_type(fd);
/* Done with file */
/* Show message giving output format */
G_message(_("Output columns:"));
if (coords == 1)
sprintf(formatbuff,
_("Easting, Northing, Along track dist. [%s], Elevation"), unit);
else
sprintf(formatbuff, _("Along track dist. [%s], Elevation"), unit);
if (clr)
strcat(formatbuff, _(" RGB color"));
G_message(formatbuff);
/* Get Profile Start Coords */
if (parm.coord_file->answer) {
if (strcmp("-", parm.coord_file->answer) == 0)
coor_fp = stdin;
else
coor_fp = fopen(parm.coord_file->answer, "r");
if (coor_fp == NULL)
G_fatal_error(_("Could not open <%s>"), parm.coord_file->answer);
for (n = 1; input(b1, ebuf, b2, nbuf, label, coor_fp); n++) {
G_debug(4, "stdin line %d: ebuf=[%s] nbuf=[%s]", n, ebuf, nbuf);
if (!G_scan_easting(ebuf, &e2, G_projection()) ||
!G_scan_northing(nbuf, &n2, G_projection()))
G_fatal_error(_("Invalid coordinates %s %s"), ebuf, nbuf);
if (havefirst)
do_profile(e1, e2, n1, n2, coords, res, fd, data_type,
fp, null_string, unit, factor);
e1 = e2;
n1 = n2;
havefirst = TRUE;
}
if (coor_fp != stdin)
fclose(coor_fp);
}
else {
/* Coords given on the Command Line using the profile= option */
for (i = 0; parm.profile->answers[i]; i += 2) {
/* Test for number coordinate pairs */
k = i;
}
if (k == 0) {
/* Only one coordinate pair supplied */
G_scan_easting(parm.profile->answers[0], &e1, G_projection());
G_scan_northing(parm.profile->answers[1], &n1, G_projection());
e2 = e1;
n2 = n1;
/* Get profile info */
do_profile(e1, e2, n1, n2, coords, res, fd, data_type, fp,
null_string, unit, factor);
}
else {
for (i = 0; i <= k - 2; i += 2) {
G_scan_easting(parm.profile->answers[i], &e1, G_projection());
G_scan_northing(parm.profile->answers[i + 1], &n1,
G_projection());
G_scan_easting(parm.profile->answers[i + 2], &e2,
G_projection());
G_scan_northing(parm.profile->answers[i + 3], &n2,
G_projection());
/* Get profile info */
do_profile(e1, e2, n1, n2, coords, res, fd, data_type,
fp, null_string, unit, factor);
}
}
}
Rast_close(fd);
fclose(fp);
if (clr)
Rast_free_colors(&colors);
exit(EXIT_SUCCESS);
} /* Done with main */
int main(int argc, char *argv[])
{
struct GModule *module;
struct Option *coord, *out_file, *min, *max, *mult;
struct Flag *flag;
int *int_buf;
struct Cell_head w;
struct History history;
int cellfile;
double east, north, pt[2], cur[2], row, col, fmult;
double fmin, fmax;
int binary;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("buffer"));
G_add_keyword(_("geometry"));
G_add_keyword(_("circle"));
module->description =
_("Creates a raster map containing concentric "
"rings around a given point.");
out_file = G_define_standard_option(G_OPT_R_OUTPUT);
coord = G_define_standard_option(G_OPT_M_COORDS);
coord->required = YES;
coord->description = _("The coordinate of the center (east,north)");
min = G_define_option();
min->key = "min";
min->type = TYPE_DOUBLE;
min->required = NO;
min->description = _("Minimum radius for ring/circle map (in meters)");
max = G_define_option();
max->key = "max";
max->type = TYPE_DOUBLE;
max->required = NO;
max->description = _("Maximum radius for ring/circle map (in meters)");
mult = G_define_option();
mult->key = "multiplier";
mult->type = TYPE_DOUBLE;
mult->required = NO;
mult->description = _("Data value multiplier");
flag = G_define_flag();
flag->key = 'b';
flag->description = _("Generate binary raster map");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_scan_easting(coord->answers[0], &east, G_projection());
G_scan_northing(coord->answers[1], &north, G_projection());
pt[0] = east;
pt[1] = north;
fmult = 1.0;
if (min->answer)
sscanf(min->answer, "%lf", &fmin);
else
fmin = 0;
if (max->answer)
sscanf(max->answer, "%lf", &fmax);
else
fmax = HUGE_VAL;
if (fmin > fmax)
G_fatal_error(_("Please specify a radius in which min < max"));
if (mult->answer)
if (1 != sscanf(mult->answer, "%lf", &fmult))
fmult = 1.0;
/* nonsense test */
if (flag->answer && (!min->answer && !max->answer))
G_fatal_error(_("Please specify min and/or max radius when "
"using the binary flag"));
if (flag->answer)
binary = 1; /* generate binary pattern only, useful for MASK */
else
binary = 0;
G_get_set_window(&w);
cellfile = Rast_open_c_new(out_file->answer);
int_buf = (int *)G_malloc(w.cols * sizeof(int));
{
int c;
for (row = 0; row < w.rows; row++) {
G_percent(row, w.rows, 2);
cur[1] = Rast_row_to_northing(row + 0.5, &w);
for (col = 0; col < w.cols; col++) {
c = col;
cur[0] = Rast_col_to_easting(col + 0.5, &w);
int_buf[c] =
(int)(distance(pt, cur, fmin, fmax, binary) * fmult);
if (int_buf[c] == 0)
Rast_set_null_value(&int_buf[c], 1, CELL_TYPE);
}
Rast_put_row(cellfile, int_buf, CELL_TYPE);
}
}
G_free(int_buf);
Rast_close(cellfile);
Rast_short_history(out_file->answer, "raster", &history);
Rast_command_history(&history);
Rast_write_history(out_file->answer, &history);
G_done_msg(_("Raster map <%s> created."),
out_file->answer);
return (EXIT_SUCCESS);
}
