/** 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 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[])
{
int i;
int print_flag = 0;
int flat_flag;
int set_flag;
double x;
int ival;
int row_flag = 0, col_flag = 0;
struct Cell_head window, temp_window;
const char *value;
const char *name;
const char *mapset;
char **rast_ptr, **vect_ptr;
struct GModule *module;
struct
{
struct Flag
*update, *print, *gprint, *flprint, *lprint, *eprint, *nangle,
*center, *res_set, *dist_res, *dflt, *z, *savedefault,
*bbox, *gmt_style, *wms_style;
} flag;
struct
{
struct Option
*north, *south, *east, *west, *top, *bottom,
*res, *nsres, *ewres, *res3, *tbres, *rows, *cols,
*save, *region, *raster, *raster3d, *align,
*zoom, *vect;
} parm;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("general"));
G_add_keyword(_("settings"));
module->description =
_("Manages the boundary definitions for the " "geographic region.");
/* flags */
flag.dflt = G_define_flag();
flag.dflt->key = 'd';
flag.dflt->description = _("Set from default region");
flag.dflt->guisection = _("Existing");
flag.savedefault = G_define_flag();
flag.savedefault->key = 's';
flag.savedefault->label = _("Save as default region");
flag.savedefault->description = _("Only possible from the PERMANENT mapset");
flag.savedefault->guisection = _("Existing");
flag.print = G_define_flag();
flag.print->key = 'p';
flag.print->description = _("Print the current region");
flag.print->guisection = _("Print");
flag.lprint = G_define_flag();
flag.lprint->key = 'l';
flag.lprint->description = _("Print the current region in lat/long "
"using the current ellipsoid/datum");
flag.lprint->guisection = _("Print");
flag.eprint = G_define_flag();
flag.eprint->key = 'e';
flag.eprint->description = _("Print the current region extent");
flag.eprint->guisection = _("Print");
flag.center = G_define_flag();
flag.center->key = 'c';
flag.center->description =
_("Print the current region map center coordinates");
flag.center->guisection = _("Print");
flag.gmt_style = G_define_flag();
flag.gmt_style->key = 't';
flag.gmt_style->description =
_("Print the current region in GMT style");
flag.gmt_style->guisection = _("Print");
flag.wms_style = G_define_flag();
flag.wms_style->key = 'w';
flag.wms_style->description =
_("Print the current region in WMS style");
flag.wms_style->guisection = _("Print");
flag.dist_res = G_define_flag();
flag.dist_res->key = 'm';
flag.dist_res->description =
_("Print region resolution in meters (geodesic)");
flag.dist_res->guisection = _("Print");
flag.nangle = G_define_flag();
flag.nangle->key = 'n';
flag.nangle->label = _("Print the convergence angle (degrees CCW)");
flag.nangle->description =
_("The difference between the projection's grid north and true north, "
"measured at the center coordinates of the current region.");
flag.nangle->guisection = _("Print");
flag.z = G_define_flag();
flag.z->key = '3';
flag.z->description = _("Print also 3D settings");
flag.z->guisection = _("Print");
flag.bbox = G_define_flag();
flag.bbox->key = 'b';
flag.bbox->description =
_("Print the maximum bounding box in lat/long on WGS84");
flag.bbox->guisection = _("Print");
flag.gprint = G_define_flag();
flag.gprint->key = 'g';
flag.gprint->description = _("Print in shell script style");
flag.gprint->guisection = _("Print");
flag.flprint = G_define_flag();
flag.flprint->key = 'f';
flag.flprint->description = _("Print in shell script style, but in one line (flat)");
flag.flprint->guisection = _("Print");
flag.res_set = G_define_flag();
flag.res_set->key = 'a';
flag.res_set->description =
_("Align region to resolution (default = align to bounds, "
"works only for 2D resolution)");
flag.res_set->guisection = _("Bounds");
flag.update = G_define_flag();
flag.update->key = 'u';
flag.update->description = _("Do not update the current region");
flag.update->guisection = _("Effects");
/* parameters */
parm.region = G_define_standard_option(G_OPT_M_REGION);
parm.region->description = _("Set current region from named region");
parm.region->guisection = _("Existing");
parm.raster = G_define_standard_option(G_OPT_R_MAP);
parm.raster->key = "raster";
parm.raster->required = NO;
parm.raster->multiple = YES;
parm.raster->description = _("Set region to match raster map(s)");
parm.raster->guisection = _("Existing");
parm.raster3d = G_define_standard_option(G_OPT_R3_MAP);
parm.raster3d->key = "raster_3d";
parm.raster3d->required = NO;
parm.raster3d->multiple = NO;
parm.raster3d->description =
_("Set region to match 3D raster map(s) (both 2D and 3D "
"values)");
parm.raster3d->guisection = _("Existing");
parm.vect = G_define_standard_option(G_OPT_V_MAP);
parm.vect->key = "vector";
parm.vect->required = NO;
parm.vect->multiple = YES;
parm.vect->label = _("Set region to match vector map(s)");
parm.vect->description = NULL;
parm.vect->guisection = _("Existing");
parm.north = G_define_option();
parm.north->key = "n";
parm.north->key_desc = "value";
parm.north->required = NO;
parm.north->multiple = NO;
parm.north->type = TYPE_STRING;
parm.north->description = _("Value for the northern edge");
parm.north->guisection = _("Bounds");
parm.south = G_define_option();
parm.south->key = "s";
parm.south->key_desc = "value";
parm.south->required = NO;
parm.south->multiple = NO;
parm.south->type = TYPE_STRING;
parm.south->description = _("Value for the southern edge");
parm.south->guisection = _("Bounds");
parm.east = G_define_option();
parm.east->key = "e";
parm.east->key_desc = "value";
parm.east->required = NO;
parm.east->multiple = NO;
parm.east->type = TYPE_STRING;
parm.east->description = _("Value for the eastern edge");
parm.east->guisection = _("Bounds");
parm.west = G_define_option();
parm.west->key = "w";
parm.west->key_desc = "value";
parm.west->required = NO;
parm.west->multiple = NO;
parm.west->type = TYPE_STRING;
parm.west->description = _("Value for the western edge");
parm.west->guisection = _("Bounds");
parm.top = G_define_option();
parm.top->key = "t";
parm.top->key_desc = "value";
parm.top->required = NO;
parm.top->multiple = NO;
parm.top->type = TYPE_STRING;
parm.top->description = _("Value for the top edge");
parm.top->guisection = _("Bounds");
parm.bottom = G_define_option();
parm.bottom->key = "b";
parm.bottom->key_desc = "value";
parm.bottom->required = NO;
parm.bottom->multiple = NO;
parm.bottom->type = TYPE_STRING;
parm.bottom->description = _("Value for the bottom edge");
parm.bottom->guisection = _("Bounds");
parm.rows = G_define_option();
parm.rows->key = "rows";
parm.rows->key_desc = "value";
parm.rows->required = NO;
parm.rows->multiple = NO;
parm.rows->type = TYPE_INTEGER;
parm.rows->description = _("Number of rows in the new region");
parm.rows->guisection = _("Resolution");
parm.cols = G_define_option();
parm.cols->key = "cols";
parm.cols->key_desc = "value";
parm.cols->required = NO;
parm.cols->multiple = NO;
parm.cols->type = TYPE_INTEGER;
parm.cols->description = _("Number of columns in the new region");
parm.cols->guisection = _("Resolution");
parm.res = G_define_option();
parm.res->key = "res";
parm.res->key_desc = "value";
parm.res->required = NO;
parm.res->multiple = NO;
parm.res->type = TYPE_STRING;
parm.res->description =
_("2D grid resolution (north-south and east-west)");
parm.res->guisection = _("Resolution");
parm.res3 = G_define_option();
parm.res3->key = "res3";
parm.res3->key_desc = "value";
parm.res3->required = NO;
parm.res3->multiple = NO;
parm.res3->type = TYPE_STRING;
parm.res3->description =
_("3D grid resolution (north-south, east-west and top-bottom)");
parm.res3->guisection = _("Resolution");
parm.nsres = G_define_option();
parm.nsres->key = "nsres";
parm.nsres->key_desc = "value";
parm.nsres->required = NO;
parm.nsres->multiple = NO;
parm.nsres->type = TYPE_STRING;
parm.nsres->description = _("North-south 2D grid resolution");
parm.nsres->guisection = _("Resolution");
parm.ewres = G_define_option();
parm.ewres->key = "ewres";
parm.ewres->key_desc = "value";
parm.ewres->required = NO;
parm.ewres->multiple = NO;
parm.ewres->type = TYPE_STRING;
parm.ewres->description = _("East-west 2D grid resolution");
parm.ewres->guisection = _("Resolution");
parm.tbres = G_define_option();
parm.tbres->key = "tbres";
parm.tbres->key_desc = "value";
parm.tbres->required = NO;
parm.tbres->multiple = NO;
parm.tbres->type = TYPE_STRING;
parm.tbres->description = _("Top-bottom 3D grid resolution");
parm.tbres->guisection = _("Resolution");
parm.zoom = G_define_option();
parm.zoom->key = "zoom";
parm.zoom->key_desc = "name";
parm.zoom->required = NO;
parm.zoom->multiple = NO;
parm.zoom->type = TYPE_STRING;
parm.zoom->description =
_("Shrink region until it meets non-NULL data from this raster map");
parm.zoom->gisprompt = "old,cell,raster";
parm.zoom->guisection = _("Bounds");
parm.align = G_define_option();
parm.align->key = "align";
parm.align->key_desc = "name";
parm.align->required = NO;
parm.align->multiple = NO;
parm.align->type = TYPE_STRING;
parm.align->description =
_("Adjust region cells to cleanly align with this raster map");
parm.align->gisprompt = "old,cell,raster";
parm.align->guisection = _("Bounds");
parm.save = G_define_option();
parm.save->key = "save";
parm.save->key_desc = "name";
parm.save->required = NO;
parm.save->multiple = NO;
parm.save->type = TYPE_STRING;
parm.save->description =
_("Save current region settings in named region file");
parm.save->gisprompt = "new,windows,region";
parm.save->guisection = _("Effects");
G_option_required(flag.dflt, flag.savedefault, flag.print, flag.lprint,
flag.eprint, flag.center, flag.gmt_style, flag.wms_style,
flag.dist_res, flag.nangle, flag. z, flag.bbox, flag.gprint,
flag.res_set, flag.update, parm.region, parm.raster,
parm.raster3d, parm.vect, parm.north, parm.south, parm.east,
parm.west, parm.top, parm.bottom, parm.rows, parm.cols,
parm.res, parm.res3, parm.nsres, parm.ewres, parm.tbres,
parm.zoom, parm.align, parm.save, NULL);
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_get_default_window(&window);
set_flag = !flag.update->answer;
flat_flag = flag.flprint->answer;
if (flag.print->answer)
print_flag |= PRINT_REG;
if (flag.gprint->answer)
print_flag |= PRINT_SH;
if (flag.lprint->answer)
print_flag |= PRINT_LL;
if (flag.eprint->answer)
print_flag |= PRINT_EXTENT;
if (flag.center->answer)
print_flag |= PRINT_CENTER;
if (flag.gmt_style->answer)
print_flag |= PRINT_GMT;
if (flag.wms_style->answer)
print_flag |= PRINT_WMS;
if (flag.nangle->answer)
print_flag |= PRINT_NANGLE;
if (flag.dist_res->answer)
print_flag |= PRINT_METERS;
if (flag.z->answer)
print_flag |= PRINT_3D;
if (flag.bbox->answer)
print_flag |= PRINT_MBBOX;
if (print_flag == PRINT_METERS)
print_flag |= PRINT_SH;
if (print_flag == PRINT_SH ||
print_flag & PRINT_3D || print_flag == PRINT_METERS + PRINT_SH) {
print_flag |= PRINT_REG;
}
if (!flag.dflt->answer)
G_get_window(&window);
/* region= */
if ((name = parm.region->answer)) {
mapset = G_find_file2("windows", name, "");
if (!mapset)
G_fatal_error(_("Region <%s> not found"), name);
G_get_element_window(&window, "windows", name, mapset);
}
/* raster= */
if (parm.raster->answer) {
int first = 0;
rast_ptr = parm.raster->answers;
for (; *rast_ptr != NULL; rast_ptr++) {
char rast_name[GNAME_MAX];
strcpy(rast_name, *rast_ptr);
mapset = G_find_raster2(rast_name, "");
if (!mapset)
G_fatal_error(_("Raster map <%s> not found"), rast_name);
Rast_get_cellhd(rast_name, mapset, &temp_window);
if (!first) {
window = temp_window;
first = 1;
}
else {
window.north = (window.north > temp_window.north) ?
window.north : temp_window.north;
window.south = (window.south < temp_window.south) ?
window.south : temp_window.south;
window.east = (window.east > temp_window.east) ?
window.east : temp_window.east;
window.west = (window.west < temp_window.west) ?
window.west : temp_window.west;
}
}
G_adjust_Cell_head3(&window, 0, 0, 0);
}
/* raster3d= */
if ((name = parm.raster3d->answer)) {
RASTER3D_Region win;
if ((mapset = G_find_raster3d(name, "")) == NULL)
G_fatal_error(_("3D raster map <%s> not found"), name);
if (Rast3d_read_region_map(name, mapset, &win) < 0)
G_fatal_error(_("Unable to read header of 3D raster map <%s@%s>"),
name, mapset);
Rast3d_region_to_cell_head(&win, &window);
}
/* vector= */
if (parm.vect->answer) {
int first = 0;
vect_ptr = parm.vect->answers;
for (; *vect_ptr != NULL; vect_ptr++) {
struct Map_info Map;
struct bound_box box;
char vect_name[GNAME_MAX];
struct Cell_head map_window;
strcpy(vect_name, *vect_ptr);
mapset = G_find_vector2(vect_name, "");
if (!mapset)
G_fatal_error(_("Vector map <%s> not found"), vect_name);
temp_window = window;
Vect_set_open_level(2);
if (2 > Vect_open_old_head(&Map, vect_name, mapset))
G_fatal_error(_("Unable to open vector map <%s> on topological level"),
vect_name);
Vect_get_map_box(&Map, &box);
map_window = window;
map_window.north = box.N;
map_window.south = box.S;
map_window.west = box.W;
map_window.east = box.E;
map_window.top = box.T;
map_window.bottom = box.B;
if (!first) {
window = map_window;
first = 1;
}
else {
window.north = (window.north > map_window.north) ?
window.north : map_window.north;
window.south = (window.south < map_window.south) ?
window.south : map_window.south;
window.east = (window.east > map_window.east) ?
window.east : map_window.east;
window.west = (window.west < map_window.west) ?
window.west : map_window.west;
if (map_window.top > window.top)
window.top = map_window.top;
if (map_window.bottom < window.bottom)
window.bottom = map_window.bottom;
}
if (window.north == window.south) {
window.north = window.north + 0.5 * temp_window.ns_res;
window.south = window.south - 0.5 * temp_window.ns_res;
}
if (window.east == window.west) {
window.west = window.west - 0.5 * temp_window.ew_res;
window.east = window.east + 0.5 * temp_window.ew_res;
}
if (window.top == window.bottom) {
window.bottom = (window.bottom - 0.5 * temp_window.tb_res);
window.top = (window.top + 0.5 * temp_window.tb_res);
}
if (flag.res_set->answer)
Rast_align_window(&window, &temp_window);
Vect_close(&Map);
}
}
/* n= */
if ((value = parm.north->answer)) {
if ((i = nsew(value, "n+", "n-", "s+"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.north);
switch (i) {
case 1:
window.north += x;
break;
case 2:
window.north -= x;
break;
case 3:
window.north = window.south + x;
break;
}
}
else if (G_scan_northing(value, &x, window.proj))
window.north = x;
else
die(parm.north);
}
/* s= */
if ((value = parm.south->answer)) {
if ((i = nsew(value, "s+", "s-", "n-"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.south);
switch (i) {
case 1:
window.south += x;
break;
case 2:
window.south -= x;
break;
case 3:
window.south = window.north - x;
break;
}
}
else if (G_scan_northing(value, &x, window.proj))
window.south = x;
else
die(parm.south);
}
/* e= */
if ((value = parm.east->answer)) {
if ((i = nsew(value, "e+", "e-", "w+"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.east);
switch (i) {
case 1:
window.east += x;
break;
case 2:
window.east -= x;
break;
case 3:
window.east = window.west + x;
break;
}
}
else if (G_scan_easting(value, &x, window.proj))
window.east = x;
else
die(parm.east);
}
/* w= */
if ((value = parm.west->answer)) {
if ((i = nsew(value, "w+", "w-", "e-"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.west);
switch (i) {
case 1:
window.west += x;
break;
case 2:
window.west -= x;
break;
case 3:
window.west = window.east - x;
break;
}
}
else if (G_scan_easting(value, &x, window.proj))
window.west = x;
else
die(parm.west);
}
/* t= */
if ((value = parm.top->answer)) {
if ((i = nsew(value, "t+", "t-", "b+"))) {
if (sscanf(value + 2, "%lf", &x) != 1)
die(parm.top);
switch (i) {
case 1:
window.top += x;
break;
case 2:
window.top -= x;
break;
case 3:
window.top = window.bottom + x;
break;
}
}
else if (sscanf(value, "%lf", &x) == 1)
window.top = x;
else
die(parm.top);
}
/* b= */
if ((value = parm.bottom->answer)) {
if ((i = nsew(value, "b+", "b-", "t-"))) {
if (sscanf(value + 2, "%lf", &x) != 1)
die(parm.bottom);
switch (i) {
case 1:
window.bottom += x;
break;
case 2:
window.bottom -= x;
break;
case 3:
window.bottom = window.top - x;
break;
}
}
else if (sscanf(value, "%lf", &x) == 1)
window.bottom = x;
else
die(parm.bottom);
}
/* res= */
if ((value = parm.res->answer)) {
if (!G_scan_resolution(value, &x, window.proj))
die(parm.res);
window.ns_res = x;
window.ew_res = x;
if (flag.res_set->answer) {
window.north = ceil(window.north / x) * x;
window.south = floor(window.south / x) * x;
window.east = ceil(window.east / x) * x;
window.west = floor(window.west / x) * x;
}
}
/* res3= */
if ((value = parm.res3->answer)) {
if (!G_scan_resolution(value, &x, window.proj))
die(parm.res);
window.ns_res3 = x;
window.ew_res3 = x;
window.tb_res = x;
}
/* nsres= */
if ((value = parm.nsres->answer)) {
if (!G_scan_resolution(value, &x, window.proj))
die(parm.nsres);
window.ns_res = x;
if (flag.res_set->answer) {
window.north = ceil(window.north / x) * x;
window.south = floor(window.south / x) * x;
}
}
/* ewres= */
if ((value = parm.ewres->answer)) {
if (!G_scan_resolution(value, &x, window.proj))
die(parm.ewres);
window.ew_res = x;
if (flag.res_set->answer) {
window.east = ceil(window.east / x) * x;
window.west = floor(window.west / x) * x;
}
}
/* tbres= */
if ((value = parm.tbres->answer)) {
if (sscanf(value, "%lf", &x) != 1)
die(parm.tbres);
window.tb_res = x;
if (flag.res_set->answer) {
window.top = ceil(window.top / x) * x;
window.bottom = floor(window.bottom / x) * x;
}
}
/* rows= */
if ((value = parm.rows->answer)) {
if (sscanf(value, "%i", &ival) != 1)
die(parm.rows);
window.rows = ival;
row_flag = 1;
}
/* cols= */
if ((value = parm.cols->answer)) {
if (sscanf(value, "%i", &ival) != 1)
die(parm.cols);
window.cols = ival;
col_flag = 1;
}
/* zoom= */
if ((name = parm.zoom->answer)) {
mapset = G_find_raster2(name, "");
if (!mapset)
G_fatal_error(_("Raster map <%s> not found"), name);
zoom(&window, name, mapset);
}
/* align= */
if ((name = parm.align->answer)) {
mapset = G_find_raster2(name, "");
if (!mapset)
G_fatal_error(_("Raster map <%s> not found"), name);
Rast_get_cellhd(name, mapset, &temp_window);
Rast_align_window(&window, &temp_window);
}
/* save= */
if ((name = parm.save->answer)) {
temp_window = window;
G_adjust_Cell_head3(&temp_window, 0, 0, 0);
if (G_put_element_window(&temp_window, "windows", name) < 0)
G_fatal_error(_("Unable to set region <%s>"), name);
}
G_adjust_Cell_head3(&window, row_flag, col_flag, 0);
if (set_flag) {
if (G_put_window(&window) < 0)
G_fatal_error(_("Unable to update current region"));
}
if (flag.savedefault->answer) {
if (strcmp(G_mapset(), "PERMANENT") == 0) {
G_put_element_window(&window, "", "DEFAULT_WIND");
}
else {
G_fatal_error(_("Unable to change default region. "
"The current mapset is not <PERMANENT>."));
}
} /* / flag.savedefault->answer */
if (print_flag)
print_window(&window, print_flag, flat_flag);
exit(EXIT_SUCCESS);
}
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 n, verbose = 1,
backrow, backcol,
col, row,
len, flag,
srows, scols,
backrow_fd, backcol_fd, path_fd, in_row_fd, in_col_fd, out_fd;
const char *current_mapset,
*search_mapset,
*path_mapset,
*backrow_mapset,
*backcol_mapset, *in_row_file, *in_col_file, *out_file;
CELL *cell;
POINT *PRES_PT, *PRESENT_PT, *OLD_PT;
struct Cell_head window;
double east, north;
struct Option *opt1, *opt2, *opt3, *opt4;
struct Flag *flag1;
struct GModule *module;
G_gisinit(argv[0]);
/* Set description */
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("fire"));
G_add_keyword(_("cumulative costs"));
module->description =
_("Recursively traces the least cost path backwards to "
"cells from which the cumulative cost was determined.");
opt1 = G_define_option();
opt1->key = "x_input";
opt1->type = TYPE_STRING;
opt1->required = YES;
opt1->gisprompt = "old,cell,raster";
opt1->description =
_("Name of raster map containing back-path easting information");
opt2 = G_define_option();
opt2->key = "y_input";
opt2->type = TYPE_STRING;
opt2->required = YES;
opt2->gisprompt = "old,cell,raster";
opt2->description =
_("Name of raster map containing back-path northing information");
opt3 = G_define_option();
opt3->key = "coordinate";
opt3->type = TYPE_STRING;
opt3->multiple = YES;
opt3->key_desc = "x,y";
opt3->description =
_("The map E and N grid coordinates of starting points");
opt4 = G_define_option();
opt4->key = "output";
opt4->type = TYPE_STRING;
opt4->required = YES;
opt4->gisprompt = "new,cell,raster";
opt4->description = _("Name of spread path raster map");
flag1 = G_define_flag();
flag1->key = 'v';
flag1->description = _("Run verbosely");
/* Do command line parsing */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
current_mapset = G_mapset();
in_row_file = G_tempfile();
in_col_file = G_tempfile();
out_file = G_tempfile();
/* Get database window parameters */
G_get_window(&window);
verbose = flag1->answer;
/* Check if backrow layer exists in data base */
search_mapset = "";
strcpy(backrow_layer, opt2->answer);
strcpy(backcol_layer, opt1->answer);
backrow_mapset = G_find_raster(backrow_layer, search_mapset);
backcol_mapset = G_find_raster(backcol_layer, search_mapset);
if (backrow_mapset == NULL)
G_fatal_error("%s - not found", backrow_layer);
if (backcol_mapset == NULL)
G_fatal_error("%s - not found", backcol_layer);
search_mapset = "";
strcpy(path_layer, opt4->answer);
path_mapset = G_find_raster(path_layer, search_mapset);
/* find number of rows and cols in window */
nrows = Rast_window_rows();
ncols = Rast_window_cols();
cell = Rast_allocate_c_buf();
/* Open back cell layers for reading */
backrow_fd = Rast_open_old(backrow_layer, backrow_mapset);
backcol_fd = Rast_open_old(backcol_layer, backcol_mapset);
/* Parameters for map submatrices */
len = sizeof(CELL);
srows = nrows / 4 + 1;
scols = ncols / 4 + 1;
if (verbose)
G_message
("\nReading the input map -%s- and -%s- and creating some temporary files...",
backrow_layer, backcol_layer);
/* Create segmented files for back cell and output layers */
in_row_fd = creat(in_row_file, 0666);
segment_format(in_row_fd, nrows, ncols, srows, scols, len);
close(in_row_fd);
in_col_fd = creat(in_col_file, 0666);
segment_format(in_col_fd, nrows, ncols, srows, scols, len);
close(in_col_fd);
out_fd = creat(out_file, 0666);
segment_format(out_fd, nrows, ncols, srows, scols, len);
close(out_fd);
/* Open initialize and segment all files */
in_row_fd = open(in_row_file, 2);
segment_init(&in_row_seg, in_row_fd, 4);
in_col_fd = open(in_col_file, 2);
segment_init(&in_col_seg, in_col_fd, 4);
out_fd = open(out_file, 2);
segment_init(&out_seg, out_fd, 4);
/* Write the back cell layers in the segmented files, and
* Change UTM coordinates to ROWs and COLUMNs */
for (row = 0; row < nrows; row++) {
Rast_get_c_row(backrow_fd, cell, row);
for (col = 0; col < ncols; col++)
if (cell[col] > 0)
cell[col] =
(window.north - cell[col]) / window.ns_res /* - 0.5 */ ;
else
cell[col] = -1;
segment_put_row(&in_row_seg, cell, row);
Rast_get_c_row(backcol_fd, cell, row);
for (col = 0; col < ncols; col++)
if (cell[col] > 0)
cell[col] =
(cell[col] - window.west) / window.ew_res /* - 0.5 */ ;
segment_put_row(&in_col_seg, cell, row);
}
/* Convert easting and northing from the command line to row and col */
if (opt3->answer) {
for (n = 0; opt3->answers[n] != NULL; n += 2) {
G_scan_easting(opt3->answers[n], &east, G_projection());
G_scan_northing(opt3->answers[n + 1], &north, G_projection());
row = (window.north - north) / window.ns_res;
col = (east - window.west) / window.ew_res;
/* ignore pt outside window */
if (east < window.west || east > window.east ||
north < window.south || north > window.north) {
G_warning("Ignoring point outside window: ");
G_warning(" %.4f,%.4f", east, north);
continue;
}
value = (char *)&backrow;
segment_get(&in_row_seg, value, row, col);
/* ignore pt in no-data area */
if (backrow < 0) {
G_warning("Ignoring point in NO-DATA area :");
G_warning(" %.4f,%.4f", east, north);
continue;
}
value = (char *)&backcol;
segment_get(&in_col_seg, value, row, col);
insert(&PRESENT_PT, row, col, backrow, backcol);
}
}
/* Set flag according to input */
if (path_mapset != NULL) {
if (head_start_pt == NULL)
/*output layer exists and start pts are not given on cmd line */
flag = 1;
/* output layer exists and starting pts are given on cmd line */
else
flag = 2;
}
else
flag = 3; /* output layer does not previously exist */
/* If the output layer containing the starting positions */
/* create a linked list of of them */
if (flag == 1) {
path_fd = Rast_open_old(path_layer, path_mapset);
/* Search for the marked starting pts and make list */
for (row = 0; row < nrows; row++) {
Rast_get_c_row(path_fd, cell, row);
for (col = 0; col < ncols; col++) {
if (cell[col] > 0) {
value = (char *)&backrow;
segment_get(&in_row_seg, value, row, col);
/* ignore pt in no-data area */
if (backrow < 0) {
G_warning("Ignoring point in NO-DATA area:");
G_warning(" %.4f,%.4f\n",
window.west + window.ew_res * (col + 0.5),
window.north - window.ns_res * (row + 0.5));
continue;
}
value = (char *)&backcol;
segment_get(&in_col_seg, value, row, col);
insert(&PRESENT_PT, row, col, backrow, backcol);
}
} /* loop over cols */
} /* loop over rows */
Rast_close(path_fd);
}
/* loop over the starting points to find the least cost paths */
if (verbose)
G_message("\nFinding the least cost paths ...");
PRES_PT = head_start_pt;
while (PRES_PT != NULL) {
path_finder(PRES_PT->row, PRES_PT->col, PRES_PT->backrow,
PRES_PT->backcol);
OLD_PT = PRES_PT;
PRES_PT = NEXT_PT;
G_free(OLD_PT);
}
/* Write pending updates by segment_put() to outputmap */
segment_flush(&out_seg);
if (verbose)
G_message("\nWriting the output map -%s-...", path_layer);
path_fd = Rast_open_c_new(path_layer);
for (row = 0; row < nrows; row++) {
segment_get_row(&out_seg, cell, row);
Rast_put_row(path_fd, cell, CELL_TYPE);
}
if (verbose)
G_message("finished.");
segment_release(&in_row_seg); /* release memory */
segment_release(&in_col_seg);
segment_release(&out_seg);
close(in_row_fd); /* close all files */
close(in_col_fd);
close(out_fd);
Rast_close(path_fd);
Rast_close(backrow_fd);
Rast_close(backcol_fd);
unlink(in_row_file); /* remove submatrix files */
unlink(in_col_file);
unlink(out_file);
exit(EXIT_SUCCESS);
}
/* *************************************************************** */
int main(int argc, char *argv[])
{
int i, j;
int nfiles;
int fd[NFILES];
struct Categories cats[NFILES];
struct Cell_head window;
struct Colors ncolor[NFILES];
struct Colors colors;
RASTER_MAP_TYPE out_type[NFILES];
CELL *cell[NFILES];
DCELL *dcell[NFILES];
/* int row, col; */
double drow, dcol;
int row_in_window, in_window;
double east, north;
int line;
char buffer[1024];
char **ptr;
struct Option *opt1, *opt2, *opt3, *opt4, *opt_fs;
struct Flag *label_flag, *cache_flag, *int_flag, *color_flag, *header_flag;
char fs;
int Cache_size;
int done = FALSE;
int point, point_cnt;
struct order *cache;
int cur_row;
int projection;
int cache_hit = 0, cache_miss = 0;
int cache_hit_tot = 0, cache_miss_tot = 0;
int pass = 0;
int cache_report = FALSE;
char tmp_buf[500], *null_str;
int red, green, blue;
struct GModule *module;
G_gisinit(argv[0]);
/* Set description */
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("position"));
G_add_keyword(_("querying"));
module->description =
_("Queries raster map layers on their category values and category labels.");
opt1 = G_define_option();
opt1->key = "input";
opt1->type = TYPE_STRING;
opt1->required = YES;
opt1->multiple = YES;
opt1->gisprompt = "old,cell,raster";
opt1->description = _("Name of existing raster map(s) to query");
opt2 = G_define_option();
opt2->key = "cache";
opt2->type = TYPE_INTEGER;
opt2->required = NO;
opt2->multiple = NO;
opt2->description = _("Size of point cache");
opt2->answer = "500";
opt2->guisection = _("Advanced");
opt3 = G_define_option();
opt3->key = "null";
opt3->type = TYPE_STRING;
opt3->required = NO;
opt3->answer = "*";
opt3->description = _("Char string to represent no data cell");
opt_fs = G_define_standard_option(G_OPT_F_SEP);
opt4 = G_define_option();
opt4->key = "east_north";
opt4->type = TYPE_DOUBLE;
opt4->key_desc = "east,north";
opt4->required = NO;
opt4->multiple = YES;
opt4->description = _("Coordinates for query");
header_flag = G_define_flag();
header_flag->key = 'n';
header_flag->description = _("Output header row");
label_flag = G_define_flag();
label_flag->key = 'f';
label_flag->description = _("Show the category labels of the grid cell(s)");
color_flag = G_define_flag();
color_flag->key = 'r';
color_flag->description = _("Output color values as RRR:GGG:BBB");
int_flag = G_define_flag();
int_flag->key = 'i';
int_flag->description = _("Output integer category values, not cell values");
cache_flag = G_define_flag();
cache_flag->key = 'c';
cache_flag->description = _("Turn on cache reporting");
cache_flag->guisection = _("Advanced");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
tty = isatty(0);
projection = G_projection();
/* see v.in.ascii for a better solution */
if (opt_fs->answer != NULL) {
if (strcmp(opt_fs->answer, "space") == 0)
fs = ' ';
else if (strcmp(opt_fs->answer, "tab") == 0)
fs = '\t';
else if (strcmp(opt_fs->answer, "\\t") == 0)
fs = '\t';
else
fs = opt_fs->answer[0];
}
null_str = opt3->answer;
if (tty)
Cache_size = 1;
else
Cache_size = atoi(opt2->answer);
if (Cache_size < 1)
Cache_size = 1;
cache = (struct order *)G_malloc(sizeof(struct order) * Cache_size);
/*enable cache report */
if (cache_flag->answer)
cache_report = TRUE;
ptr = opt1->answers;
nfiles = 0;
for (; *ptr != NULL; ptr++) {
char name[GNAME_MAX];
if (nfiles >= NFILES)
G_fatal_error(_("can only do up to %d raster maps"),
NFILES);
strcpy(name, *ptr);
fd[nfiles] = Rast_open_old(name, "");
out_type[nfiles] = Rast_get_map_type(fd[nfiles]);
if (int_flag->answer)
out_type[nfiles] = CELL_TYPE;
if (color_flag->answer) {
Rast_read_colors(name, "", &colors);
ncolor[nfiles] = colors;
}
if (label_flag->answer && Rast_read_cats(name, "", &cats[nfiles]) < 0)
G_fatal_error(_("Unable to read category file for <%s>"), name);
nfiles++;
}
for (i = 0; i < nfiles; i++) {
if (int_flag->answer)
out_type[i] = CELL_TYPE;
cell[i] = Rast_allocate_c_buf();
if (out_type[i] != CELL_TYPE)
dcell[i] = Rast_allocate_d_buf();
}
G_get_window(&window);
if(header_flag->answer) {
fprintf(stdout, "easting%cnorthing%csite_name", fs, fs);
ptr = opt1->answers;
for (; *ptr != NULL; ptr++) {
char name[GNAME_MAX];
strcpy(name, *ptr);
fprintf(stdout, "%c%s", fs, name);
if (label_flag->answer)
fprintf(stdout, "%c%s_label", fs, name);
if (color_flag->answer)
fprintf(stdout, "%c%s_color", fs, name);
}
fprintf(stdout, "\n");
}
line = 0;
if (!opt4->answers && tty)
fprintf(stderr, "enter points, \"end\" to quit\n");
j = 0;
done = FALSE;
while (!done) {
pass++;
if (cache_report & !tty)
fprintf(stderr, "Pass %3d Line %6d - ", pass, line);
cache_hit = cache_miss = 0;
if (!opt4->answers && tty) {
fprintf(stderr, "\neast north [label] > ");
Cache_size = 1;
}
{
point_cnt = 0;
for (i = 0; i < Cache_size; i++) {
if (!opt4->answers && fgets(buffer, 1000, stdin) == NULL)
done = TRUE;
else {
line++;
if ((!opt4->answers &&
(strncmp(buffer, "end\n", 4) == 0 ||
strncmp(buffer, "exit\n", 5) == 0)) ||
(opt4->answers && !opt4->answers[j]))
done = TRUE;
else {
*(cache[point_cnt].lab_buf) =
*(cache[point_cnt].east_buf) =
*(cache[point_cnt].north_buf) = 0;
if (!opt4->answers)
sscanf(buffer, "%s %s %[^\n]",
cache[point_cnt].east_buf,
cache[point_cnt].north_buf,
cache[point_cnt].lab_buf);
else {
strcpy(cache[point_cnt].east_buf,
opt4->answers[j++]);
strcpy(cache[point_cnt].north_buf,
opt4->answers[j++]);
}
if (*(cache[point_cnt].east_buf) == 0)
continue; /* skip blank lines */
if (*(cache[point_cnt].north_buf) == 0) {
oops(line, buffer,
"two coordinates (east north) required");
continue;
}
if (!G_scan_northing
(cache[point_cnt].north_buf, &north, window.proj)
|| !G_scan_easting(cache[point_cnt].east_buf,
&east, window.proj)) {
oops(line, buffer, "invalid coordinate(s)");
continue;
}
/* convert north, east to row and col */
drow = Rast_northing_to_row(north, &window);
dcol = Rast_easting_to_col(east, &window);
/* a special case.
* if north falls at southern edge, or east falls on eastern edge,
* the point will appear outside the window.
* So, for these edges, bring the point inside the window
*/
if (drow == window.rows)
drow--;
if (dcol == window.cols)
dcol--;
cache[point_cnt].row = (int)drow;
cache[point_cnt].col = (int)dcol;
cache[point_cnt].point = point_cnt;
point_cnt++;
}
}
}
}
if (Cache_size > 1)
qsort(cache, point_cnt, sizeof(struct order), by_row);
/* extract data from files and store in cache */
cur_row = -99;
for (point = 0; point < point_cnt; point++) {
row_in_window = 1;
in_window = 1;
if (cache[point].row < 0 || cache[point].row >= window.rows)
row_in_window = in_window = 0;
if (cache[point].col < 0 || cache[point].col >= window.cols)
in_window = 0;
if (!in_window) {
if (tty)
fprintf(stderr,
"** note ** %s %s is outside your current window\n",
cache[point].east_buf, cache[point].north_buf);
}
if (cur_row != cache[point].row) {
cache_miss++;
if (row_in_window)
for (i = 0; i < nfiles; i++) {
Rast_get_c_row(fd[i], cell[i], cache[point].row);
if (out_type[i] != CELL_TYPE)
Rast_get_d_row(fd[i], dcell[i], cache[point].row);
}
cur_row = cache[point].row;
}
else
cache_hit++;
for (i = 0; i < nfiles; i++) {
if (in_window)
cache[point].value[i] = cell[i][cache[point].col];
else
Rast_set_c_null_value(&(cache[point].value[i]), 1);
if (out_type[i] != CELL_TYPE) {
if (in_window)
cache[point].dvalue[i] = dcell[i][cache[point].col];
else
Rast_set_d_null_value(&(cache[point].dvalue[i]), 1);
}
if (color_flag->answer) {
if (out_type[i] == CELL_TYPE)
Rast_get_c_color(&cell[i][cache[point].col],
&red, &green, &blue, &ncolor[i]);
else
Rast_get_d_color(&dcell[i][cache[point].col],
&red, &green, &blue, &ncolor[i]);
sprintf(cache[point].clr_buf[i], "%03d:%03d:%03d", red,
green, blue);
}
}
} /* point loop */
if (Cache_size > 1)
qsort(cache, point_cnt, sizeof(struct order), by_point);
/* report data from re-ordered cache */
for (point = 0; point < point_cnt; point++) {
G_debug(1, "%s|%s at col %d, row %d\n",
cache[point].east_buf, cache[point].north_buf,
cache[point].col, cache[point].row);
fprintf(stdout, "%s%c%s%c%s", cache[point].east_buf, fs,
cache[point].north_buf, fs, cache[point].lab_buf);
for (i = 0; i < nfiles; i++) {
if (out_type[i] == CELL_TYPE) {
if (Rast_is_c_null_value(&cache[point].value[i])) {
fprintf(stdout, "%c%s", fs, null_str);
if (label_flag->answer)
fprintf(stdout, "%c", fs);
if (color_flag->answer)
fprintf(stdout, "%c", fs);
continue;
}
fprintf(stdout, "%c%ld", fs, (long)cache[point].value[i]);
}
else { /* FCELL or DCELL */
if (Rast_is_d_null_value(&cache[point].dvalue[i])) {
fprintf(stdout, "%c%s", fs, null_str);
if (label_flag->answer)
fprintf(stdout, "%c", fs);
if (color_flag->answer)
fprintf(stdout, "%c", fs);
continue;
}
if (out_type[i] == FCELL_TYPE)
sprintf(tmp_buf, "%.7g", cache[point].dvalue[i]);
else /* DCELL */
sprintf(tmp_buf, "%.15g", cache[point].dvalue[i]);
G_trim_decimal(tmp_buf); /* not needed with %g? */
fprintf(stdout, "%c%s", fs, tmp_buf);
}
if (label_flag->answer)
fprintf(stdout, "%c%s", fs,
Rast_get_c_cat(&(cache[point].value[i]), &cats[i]));
if (color_flag->answer)
fprintf(stdout, "%c%s", fs, cache[point].clr_buf[i]);
}
fprintf(stdout, "\n");
}
if (cache_report & !tty)
fprintf(stderr, "Cache Hit: %6d Miss: %6d\n",
cache_hit, cache_miss);
cache_hit_tot += cache_hit;
cache_miss_tot += cache_miss;
cache_hit = cache_miss = 0;
}
if (!opt4->answers && tty)
fprintf(stderr, "\n");
if (cache_report & !tty)
fprintf(stderr, "Total: Cache Hit: %6d Miss: %6d\n",
cache_hit_tot, cache_miss_tot);
exit(EXIT_SUCCESS);
}
int G__oldsite_get(FILE * ptr, Site * s, int fmt)
/*-
* Reads ptr and returns 0 on success,
* -1 on EOF,
* -2 on other fatal error or insufficient data,
* 1 on format mismatch (extra data)
*/
{
char sbuf[MAX_SITE_LEN], *buf, *last, *p1, *p2;
char ebuf[128], nbuf[128];
int n = 0, d = 0, c = 0, dim = 0, err = 0, tmp;
buf = sbuf;
if ((buf = fgets(sbuf, 1024, ptr)) == (char *)NULL)
return EOF;
while ((*buf == '#' || !isdigit(*buf)) && *buf != '-' && *buf != '+')
if ((buf = fgets(sbuf, 1024, ptr)) == (char *)NULL)
return EOF;
if (buf[strlen(buf) - 1] == '\n')
buf[strlen(buf) - 1] = '\0';
if (sscanf(buf, "%[^|]|%[^|]|%*[^\n]", ebuf, nbuf) < 2) {
fprintf(stderr, "ERROR: ebuf %s nbuf %s\n", ebuf, nbuf);
return -2;
}
if (!G_scan_northing(nbuf, &(s->north), fmt) ||
!G_scan_easting(ebuf, &(s->east), fmt)) {
fprintf(stderr, "ERROR: ebuf %s nbuf %s\n", ebuf, nbuf);
return -2;
}
/* move pointer past easting and northing fields */
if (NULL == (buf = G_index(buf, PIPE)))
return -2;
if (NULL == (buf = G_index(buf + 1, PIPE)))
return -2;
/* check for remaining dimensional fields */
do {
buf++;
if (isnull(*buf))
return (FOUND_ALL(s, n, dim, c, d) ? 0 : -2);
last = buf;
if (dim < s->dim_alloc) { /* should be more dims to read */
if (sscanf(buf, "%lf|", &(s->dim[dim++])) < 1)
return -2; /* no more dims, though expected */
}
else if (NULL != (p1 = G_index(buf, PIPE))) {
if (NULL == (p2 = G_index(buf, DQUOTE)))
err = 1; /* more dims, though none expected */
else if (strlen(p1) > strlen(p2))
err = 1; /* more dims, though none expected */
}
} while ((buf = G_index(buf, PIPE)) != NULL);
buf = last;
/* no more dimensions-now we parse attribute fields */
while (!isnull(*buf)) {
switch (*buf) {
case '#': /* category field */
if (n == 0) {
switch (s->cattype) {
case CELL_TYPE:
if (sscanf(buf, "#%d", &s->ccat) == 1)
n++;
break;
case FCELL_TYPE:
if (sscanf(buf, "#%f", &s->fcat) == 1)
n++;
break;
case DCELL_TYPE:
if (sscanf(buf, "#%lf", &s->dcat) == 1)
n++;
break;
default:
err = 1; /* has cat, none expected */
break;
}
}
else {
err = 1; /* extra cat */
}
/* move to beginning of next attribute */
if ((buf = next_att(buf)) == (char *)NULL)
return (FOUND_ALL(s, n, dim, c, d) ? err : -2);
break;
case '%': /* decimal attribute */
if (d < s->dbl_alloc) {
p1 = ++buf;
errno = 0;
s->dbl_att[d++] = strtod(buf, &p1);
if (p1 == buf || errno == ERANGE) {
/* replace with:
* s->dbl_att[d - 1] = NAN
* when we add NULL attribute support
*/
return -2;
}
/* err = 0; Make sure this is zeroed */
}
else {
err = 1; /* extra decimal */
}
if ((buf = next_att(buf)) == (char *)NULL) {
return (FOUND_ALL(s, n, dim, c, d)) ? err : -2;
}
break;
case '@': /* string attribute */
if (isnull(*buf) || isnull(*(buf + 1)))
return (FOUND_ALL(s, n, dim, c, d) ? err : -2);
else
buf++;
default: /* defaults to string attribute */
/* allow both prefixed and unprefixed strings */
if (c < s->str_alloc) {
if ((tmp = cleanse_string(buf)) > 0) {
G_strncpy(s->str_att[c++], buf, tmp);
buf += tmp;
}
else
return (FOUND_ALL(s, n, dim, c, d) ? err : -2);
}
if ((buf = next_att(buf)) == (char *)NULL) {
return (FOUND_ALL(s, n, dim, c, d) ? err : -2);
}
break;
}
}
return (FOUND_ALL(s, n, dim, c, d) ? err : -2);
}
int E_edit_cellhd(struct Cell_head *cellhd, int type)
{
char ll_north[20];
char ll_south[20];
char ll_east[20];
char ll_west[20];
char ll_nsres[20];
char ll_ewres[20];
char ll_def_north[20];
char ll_def_south[20];
char ll_def_east[20];
char ll_def_west[20];
char ll_def_ewres[20];
char ll_def_nsres[20];
char projection[80];
char **screen;
struct Cell_head def_wind;
double north, south, east, west;
double nsres, ewres;
char buf[64], buf2[30], *p;
short ok;
int line;
char *prj;
char *err;
if (type == AS_CELLHD && (cellhd->rows <= 0 || cellhd->cols <= 0)) {
G_message("E_edit_cellhd() - programmer error");
G_message(" ** rows and cols must be positive **");
return -1;
}
if (type != AS_DEF_WINDOW) {
if (G_get_default_window(&def_wind) != 1)
return -1;
if (cellhd->proj < 0) {
cellhd->proj = def_wind.proj;
cellhd->zone = def_wind.zone;
}
else if (cellhd->zone < 0)
cellhd->zone = def_wind.zone;
}
prj = G__projection_name(cellhd->proj);
if (!prj)
prj = "** unknown **";
sprintf(projection, "%d (%s)", cellhd->proj, prj);
if (type != AS_DEF_WINDOW) {
if (cellhd->west >= cellhd->east || cellhd->south >= cellhd->north) {
cellhd->north = def_wind.north;
cellhd->south = def_wind.south;
cellhd->west = def_wind.west;
cellhd->east = def_wind.east;
if (type != AS_CELLHD) {
cellhd->ew_res = def_wind.ew_res;
cellhd->ns_res = def_wind.ns_res;
cellhd->rows = def_wind.rows;
cellhd->cols = def_wind.cols;
}
}
if (cellhd->proj != def_wind.proj) {
if (type == AS_CELLHD)
G_message
("header projection %d differs from default projection %d",
cellhd->proj, def_wind.proj);
else
G_message
("region projection %d differs from default projection %d",
cellhd->proj, def_wind.proj);
if (!G_yes("do you want to make them match? ", 1))
return -1;
cellhd->proj = def_wind.proj;
cellhd->zone = def_wind.zone;
}
if (cellhd->zone != def_wind.zone) {
if (type == AS_CELLHD)
G_message("header zone %d differs from default zone %d",
cellhd->zone, def_wind.zone);
else
G_message("region zone %d differs from default zone %d",
cellhd->zone, def_wind.zone);
if (!G_yes("do you want to make them match? ", 1))
return -1;
cellhd->zone = def_wind.zone;
}
*ll_def_north = 0;
*ll_def_south = 0;
*ll_def_east = 0;
*ll_def_west = 0;
*ll_def_ewres = 0;
*ll_def_nsres = 0;
format_northing(def_wind.north, ll_def_north, def_wind.proj);
format_northing(def_wind.south, ll_def_south, def_wind.proj);
format_easting(def_wind.east, ll_def_east, def_wind.proj);
format_easting(def_wind.west, ll_def_west, def_wind.proj);
format_resolution(def_wind.ew_res, ll_def_ewres, def_wind.proj);
format_resolution(def_wind.ns_res, ll_def_nsres, def_wind.proj);
}
*ll_north = 0;
*ll_south = 0;
*ll_east = 0;
*ll_west = 0;
*ll_ewres = 0;
*ll_nsres = 0;
format_northing(cellhd->north, ll_north, cellhd->proj);
format_northing(cellhd->south, ll_south, cellhd->proj);
format_easting(cellhd->east, ll_east, cellhd->proj);
format_easting(cellhd->west, ll_west, cellhd->proj);
format_resolution(cellhd->ew_res, ll_ewres, cellhd->proj);
format_resolution(cellhd->ns_res, ll_nsres, cellhd->proj);
while (1) {
ok = 1;
/* List window options on the screen for the user to answer */
switch (type) {
case AS_CELLHD:
screen = cellhd_screen;
break;
case AS_DEF_WINDOW:
screen = def_window_screen;
break;
default:
screen = window_screen;
break;
}
V_clear();
line = 0;
while (*screen)
V_line(line++, *screen++);
/* V_ques ( variable, type, row, col, length) ; */
V_ques(ll_north, 's', 6, 36, 10);
V_ques(ll_south, 's', 10, 36, 10);
V_ques(ll_west, 's', 9, 12, 10);
V_ques(ll_east, 's', 9, 52, 10);
if (type != AS_CELLHD) {
V_ques(ll_ewres, 's', 18, 48, 10);
V_ques(ll_nsres, 's', 19, 48, 10);
}
if (type != AS_DEF_WINDOW) {
V_const(ll_def_north, 's', 3, 36, 10);
V_const(ll_def_south, 's', 13, 36, 10);
V_const(ll_def_west, 's', 9, 1, 10);
V_const(ll_def_east, 's', 9, 65, 10);
if (type != AS_CELLHD) {
V_const(ll_def_ewres, 's', 18, 21, 10);
V_const(ll_def_nsres, 's', 19, 21, 10);
}
}
V_const(projection, 's', 15, 23, (int)strlen(projection));
V_const(&cellhd->zone, 'i', 15, 60, 3);
V_intrpt_ok();
if (!V_call())
return -1;
G_squeeze(ll_north);
G_squeeze(ll_south);
G_squeeze(ll_east);
G_squeeze(ll_west);
if (type != AS_CELLHD) {
G_squeeze(ll_ewres);
G_squeeze(ll_nsres);
}
if (!G_scan_northing(ll_north, &cellhd->north, cellhd->proj)) {
G_warning("Illegal value for north: %s", ll_north);
ok = 0;
}
if (!G_scan_northing(ll_south, &cellhd->south, cellhd->proj)) {
G_warning("Illegal value for south: %s", ll_south);
ok = 0;
}
if (!G_scan_easting(ll_east, &cellhd->east, cellhd->proj)) {
G_warning("Illegal value for east: %s", ll_east);
ok = 0;
}
if (!G_scan_easting(ll_west, &cellhd->west, cellhd->proj)) {
G_warning("Illegal value for west: %s", ll_west);
ok = 0;
}
if (type != AS_CELLHD) {
if (!G_scan_resolution(ll_ewres, &cellhd->ew_res, cellhd->proj)) {
G_warning("Illegal east-west resolution: %s", ll_ewres);
ok = 0;
}
if (!G_scan_resolution(ll_nsres, &cellhd->ns_res, cellhd->proj)) {
G_warning("Illegal north-south resolution: %s", ll_nsres);
ok = 0;
}
}
if (!ok) {
hitreturn();
continue;
}
/* Adjust and complete the cell header */
north = cellhd->north;
south = cellhd->south;
east = cellhd->east;
west = cellhd->west;
nsres = cellhd->ns_res;
ewres = cellhd->ew_res;
if ((err =
G_adjust_Cell_head(cellhd, type == AS_CELLHD,
type == AS_CELLHD))) {
G_message("%s", err);
hitreturn();
continue;
}
if (type == AS_CELLHD) {
nsres = cellhd->ns_res;
ewres = cellhd->ew_res;
}
SHOW:
fprintf(stderr, "\n\n");
G_message(" projection: %s", projection);
G_message(" zone: %d", cellhd->zone);
G_format_northing(cellhd->north, buf, cellhd->proj);
G_format_northing(north, buf2, cellhd->proj);
fprintf(stderr, " north: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to match resolution)");
}
fprintf(stderr, "\n");
G_format_northing(cellhd->south, buf, cellhd->proj);
G_format_northing(south, buf2, cellhd->proj);
fprintf(stderr, " south: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to match resolution)");
}
fprintf(stderr, "\n");
G_format_easting(cellhd->east, buf, cellhd->proj);
G_format_easting(east, buf2, cellhd->proj);
fprintf(stderr, " east: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to match resolution)");
}
fprintf(stderr, "\n");
G_format_easting(cellhd->west, buf, cellhd->proj);
G_format_easting(west, buf2, cellhd->proj);
fprintf(stderr, " west: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to match resolution)");
}
fprintf(stderr, "\n\n");
G_format_resolution(cellhd->ew_res, buf, cellhd->proj);
G_format_resolution(ewres, buf2, cellhd->proj);
fprintf(stderr, " e-w res: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to conform to grid)");
}
fprintf(stderr, "\n");
G_format_resolution(cellhd->ns_res, buf, cellhd->proj);
G_format_resolution(nsres, buf2, cellhd->proj);
fprintf(stderr, " n-s res: %s", buf);
if (strcmp(buf, buf2) != 0) {
ok = 0;
fprintf(stderr, " (Changed to conform to grid)");
}
fprintf(stderr, "\n\n");
G_message(" total rows: %15d", cellhd->rows);
G_message(" total cols: %15d", cellhd->cols);
sprintf(buf, "%lf", (double)cellhd->rows * cellhd->cols);
*(p = strchr(buf, '.')) = 0;
G_insert_commas(buf);
G_message(" total cells: %15s", buf);
fprintf(stderr, "\n");
if (type != AS_DEF_WINDOW) {
if (cellhd->north > def_wind.north) {
G_warning("north falls outside the default region");
ok = 0;
}
if (cellhd->south < def_wind.south) {
G_warning("south falls outside the default region");
ok = 0;
}
if (cellhd->proj != PROJECTION_LL) {
if (cellhd->east > def_wind.east) {
G_warning("east falls outside the default region");
ok = 0;
}
if (cellhd->west < def_wind.west) {
G_warning("west falls outside the default region");
ok = 0;
}
}
}
ASK:
fflush(stdin);
if (type == AS_CELLHD)
fprintf(stderr, "\nDo you accept this header? (y/n) [%s] > ",
ok ? "y" : "n");
else
fprintf(stderr, "\nDo you accept this region? (y/n) [%s] > ",
ok ? "y" : "n");
if (!G_gets(buf))
goto SHOW;
G_strip(buf);
switch (*buf) {
case 0:
break;
case 'y':
case 'Y':
ok = 1;
break;
case 'n':
case 'N':
ok = 0;
break;
default:
goto ASK;
}
if (ok)
return 0;
}
}
int main(int argc, char *argv[])
{
int i;
double x;
struct Cell_head cellhd, window;
const char *value;
const char *name;
struct GModule *module;
struct
{
struct Flag *dflt, *cur;
} flag;
struct
{
struct Option
*map,
*north, *south, *east, *west,
*raster, *vect, *region, *align;
} parm;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("metadata"));
module->description =
_("Sets the boundary definitions for a raster map.");
/* flags */
flag.cur = G_define_flag();
flag.cur->key = 'c';
flag.cur->description = _("Set from current region");
flag.cur->guisection = _("Existing");
flag.dflt = G_define_flag();
flag.dflt->key = 'd';
flag.dflt->description = _("Set from default region");
flag.dflt->guisection = _("Existing");
/* parameters */
parm.map = G_define_standard_option(G_OPT_R_MAP);
parm.map->description = _("Name of raster map to change");
parm.region = G_define_option();
parm.region->key = "region";
parm.region->key_desc = "name";
parm.region->required = NO;
parm.region->multiple = NO;
parm.region->type = TYPE_STRING;
parm.region->description = _("Set region from named region");
parm.region->gisprompt = "old,windows,region";
parm.region->guisection = _("Existing");
parm.raster = G_define_standard_option(G_OPT_R_MAP);
parm.raster->key = "raster";
parm.raster->required = NO;
parm.raster->multiple = NO;
parm.raster->description = _("Set region to match this raster map");
parm.raster->guisection = _("Existing");
parm.vect = G_define_standard_option(G_OPT_V_MAP);
parm.vect->key = "vector";
parm.vect->required = NO;
parm.vect->multiple = NO;
parm.vect->description = _("Set region to match this vector map");
parm.vect->guisection = _("Existing");
parm.north = G_define_option();
parm.north->key = "n";
parm.north->key_desc = "value";
parm.north->required = NO;
parm.north->multiple = NO;
parm.north->type = TYPE_STRING;
parm.north->description = _("Value for the northern edge");
parm.north->guisection = _("Bounds");
parm.south = G_define_option();
parm.south->key = "s";
parm.south->key_desc = "value";
parm.south->required = NO;
parm.south->multiple = NO;
parm.south->type = TYPE_STRING;
parm.south->description = _("Value for the southern edge");
parm.south->guisection = _("Bounds");
parm.east = G_define_option();
parm.east->key = "e";
parm.east->key_desc = "value";
parm.east->required = NO;
parm.east->multiple = NO;
parm.east->type = TYPE_STRING;
parm.east->description = _("Value for the eastern edge");
parm.east->guisection = _("Bounds");
parm.west = G_define_option();
parm.west->key = "w";
parm.west->key_desc = "value";
parm.west->required = NO;
parm.west->multiple = NO;
parm.west->type = TYPE_STRING;
parm.west->description = _("Value for the western edge");
parm.west->guisection = _("Bounds");
parm.align = G_define_standard_option(G_OPT_R_MAP);
parm.align->key = "align";
parm.align->required = NO;
parm.align->multiple = NO;
parm.align->description = _("Raster map to align to");
parm.align->guisection = _("Existing");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
G_get_window(&window);
name = parm.map->answer;
Rast_get_cellhd(name, G_mapset(), &cellhd);
window = cellhd;
if (flag.dflt->answer)
G_get_default_window(&window);
if (flag.cur->answer)
G_get_window(&window);
if ((name = parm.region->answer)) /* region= */
G__get_window(&window, "windows", name, "");
if ((name = parm.raster->answer)) { /* raster= */
Rast_get_cellhd(name, "", &window);
}
if ((name = parm.vect->answer)) { /* vect= */
struct Map_info Map;
struct bound_box box;
Vect_set_open_level(1);
if (Vect_open_old(&Map, name, "") != 1)
G_fatal_error(_("Unable to open vector map <%s>"), name);
Vect_get_map_box(&Map, &box);
window.north = box.N;
window.south = box.S;
window.west = box.W;
window.east = box.E;
Rast_align_window(&window, &cellhd);
Vect_close(&Map);
}
if ((value = parm.north->answer)) { /* n= */
if ((i = nsew(value, "n+", "n-", "s+"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.north);
switch (i) {
case 1:
window.north += x;
break;
case 2:
window.north -= x;
break;
case 3:
window.north = window.south + x;
break;
}
}
else if (G_scan_northing(value, &x, window.proj))
window.north = x;
else
die(parm.north);
}
if ((value = parm.south->answer)) { /* s= */
if ((i = nsew(value, "s+", "s-", "n-"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.south);
switch (i) {
case 1:
window.south += x;
break;
case 2:
window.south -= x;
break;
case 3:
window.south = window.north - x;
break;
}
}
else if (G_scan_northing(value, &x, window.proj))
window.south = x;
else
die(parm.south);
}
if ((value = parm.east->answer)) { /* e= */
if ((i = nsew(value, "e+", "e-", "w+"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.east);
switch (i) {
case 1:
window.east += x;
break;
case 2:
window.east -= x;
break;
case 3:
window.east = window.west + x;
break;
}
}
else if (G_scan_easting(value, &x, window.proj))
window.east = x;
else
die(parm.east);
}
if ((value = parm.west->answer)) { /* w= */
if ((i = nsew(value, "w+", "w-", "e-"))) {
if (!G_scan_resolution(value + 2, &x, window.proj))
die(parm.west);
switch (i) {
case 1:
window.west += x;
break;
case 2:
window.west -= x;
break;
case 3:
window.west = window.east - x;
break;
}
}
else if (G_scan_easting(value, &x, window.proj))
window.west = x;
else
die(parm.west);
}
if ((name = parm.align->answer)) { /* align= */
struct Cell_head temp_window;
Rast_get_cellhd(name, "", &temp_window);
Rast_align_window(&window, &temp_window);
}
window.rows = cellhd.rows;
window.cols = cellhd.cols;
G_adjust_Cell_head(&window, 1, 1);
cellhd.north = window.north;
cellhd.south = window.south;
cellhd.east = window.east;
cellhd.west = window.west;
Rast_put_cellhd(parm.map->answer, &cellhd);
G_done_msg(" ");
return 0;
}
/*!
\brief Read data in GRASS ASCII vector format
\param ascii pointer to the input ASCII file
\param[out] Map pointer to the output Map_info structure
\return number of read features
\return -1 on error
*/
int Vect_read_ascii(FILE *ascii, struct Map_info *Map)
{
char ctype;
char buff[BUFFSIZE];
char east_str[256], north_str[256];
double *xarray;
double *yarray;
double *zarray;
double *x, *y, *z;
int i, n_points, n_coors, n_cats, n_lines;
int type, with_z, skip_feat, nskipped_3d;
int alloc_points;
struct line_pnts *Points;
struct line_cats *Cats;
int catn, cat;
/* Must always use this to create an initialized line_pnts structure */
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
/*alloc_points = 1000 ; */
alloc_points = 1;
xarray = (double *)G_calloc(alloc_points, sizeof(double));
yarray = (double *)G_calloc(alloc_points, sizeof(double));
zarray = (double *)G_calloc(alloc_points, sizeof(double));
n_lines = nskipped_3d = 0;
with_z = Vect_is_3d(Map);
while (G_getl2(buff, BUFFSIZE - 1, ascii) != 0) {
n_cats = 0;
skip_feat = FALSE;
if (buff[0] == '\0') {
G_debug(3, "a2b: skipping blank line");
continue;
}
if (sscanf(buff, "%1c%d%d", &ctype, &n_coors, &n_cats) < 2 ||
n_coors < 0 || n_cats < 0) {
if (ctype == '#') {
G_debug(2, "a2b: skipping commented line");
continue;
}
G_warning(_("Error reading ASCII file: (bad type) [%s]"),
buff);
return -1;
}
if (ctype == '#') {
G_debug(2, "a2b: Skipping commented line");
continue;
}
switch (ctype) {
case 'A':
type = GV_BOUNDARY;
break;
case 'B':
type = GV_BOUNDARY;
break;
case 'C':
type = GV_CENTROID;
break;
case 'L':
type = GV_LINE;
break;
case 'P':
type = GV_POINT;
break;
case 'F':
type = GV_FACE;
break;
case 'K':
type = GV_KERNEL;
break;
case 'a':
case 'b':
case 'c':
case 'l':
case 'p':
type = 0; /* dead -> ignore */
break;
default: {
G_warning(_("Error reading ASCII file: (unknown type) [%s]"),
buff);
return -1;
}
}
G_debug(5, "feature type = %d", type);
if ((type & (GV_FACE | GV_KERNEL)) && !with_z) {
skip_feat = TRUE;
nskipped_3d++;
}
n_points = 0;
x = xarray;
y = yarray;
z = zarray;
/* Collect the points */
for (i = 0; i < n_coors; i++) {
if (G_getl2(buff, BUFFSIZE - 1, ascii) == 0) {
G_warning(_("End of ASCII file reached before end of coordinates"));
return -1;
}
if (buff[0] == '\0') {
G_debug(3, "a2b: skipping blank line while reading vertices");
i--;
continue;
}
*z = 0;
if (sscanf(buff, "%lf%lf%lf", x, y, z) < 2) {
if (sscanf(buff, " %s %s %lf", east_str, north_str, z) < 2) {
G_warning(_("Error reading ASCII file: (bad point) [%s]"),
buff);
return -1;
} else {
if (!G_scan_easting(east_str, x, G_projection())) {
G_warning(_("Unparsable longitude value: [%s]"),
east_str);
return -1;
}
if (!G_scan_northing(north_str, y, G_projection())) {
G_warning(_("Unparsable latitude value: [%s]"),
north_str);
return -1;
}
}
}
G_debug(5, "coor in: %s -> x = %f y = %f z = %f", G_chop(buff),
*x, *y, *z);
n_points++;
x++;
y++;
z++;
if (n_points >= alloc_points) {
alloc_points = n_points + 1000;
xarray =
(double *)G_realloc((void *)xarray,
alloc_points * sizeof(double));
yarray =
(double *)G_realloc((void *)yarray,
alloc_points * sizeof(double));
zarray =
(double *)G_realloc((void *)zarray,
alloc_points * sizeof(double));
x = xarray + n_points;
y = yarray + n_points;
z = zarray + n_points;
}
}
/* Collect the cats */
Vect_reset_cats(Cats);
for (i = 0; i < n_cats; i++) {
if (G_getl2(buff, BUFFSIZE - 1, ascii) == 0) {
G_warning(_("End of ASCII file reached before end of categories"));
return -1;
}
if (buff[0] == '\0') {
G_debug(3,
"a2b: skipping blank line while reading category info");
i--;
continue;
}
if (sscanf(buff, "%u%u", &catn, &cat) != 2) {
G_warning(_("Error reading categories: [%s]"), buff);
return -1;
}
Vect_cat_set(Cats, catn, cat);
}
if (skip_feat)
continue;
/* Allocation is handled for line_pnts */
if (0 >
Vect_copy_xyz_to_pnts(Points, xarray, yarray, zarray, n_points)) {
G_warning(_("Unable to copy points"));
return -1;
}
if (type > 0) {
if (-1 == Vect_write_line(Map, type, Points, Cats)) {
return -1;
}
n_lines++;
}
}
if (nskipped_3d > 0)
G_warning(_("Vector map <%s> is 2D. %d 3D features (faces or kernels) skipped."),
Vect_get_name(Map), nskipped_3d);
Vect_destroy_line_struct(Points);
Vect_destroy_cats_struct(Cats);
return n_lines;
}
int main(int argc, char *argv[])
{
char *name, *outfile;
int fd, projection;
FILE *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;
struct Flag *g, *c;
}
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_option();
parm.output->key = "output";
parm.output->type = TYPE_STRING;
parm.output->required = NO;
parm.output->answer = "-";
parm.output->gisprompt = "new_file,file,output";
parm.output->description =
_("Name of file for output (use output=- for stdout)");
parm.profile = G_define_option();
parm.profile->key = "profile";
parm.profile->type = TYPE_STRING;
parm.profile->required = NO;
parm.profile->multiple = YES;
parm.profile->key_desc = "east,north";
parm.profile->description = _("Profile coordinate pairs");
parm.res = G_define_option();
parm.res->key = "res";
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");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
clr = 0;
if (parm.c->answer)
clr = 1; /* color output */
null_string = parm.null_str->answer;
G_get_window(&window);
projection = G_projection();
if (parm.res->answer) {
res = atof(parm.res->answer);
/* Catch bad resolution ? */
if (res <= 0)
G_fatal_error(_("Illegal resolution! [%g]"), res);
}
else {
/* Do average of EW and NS res */
res = (window.ew_res + window.ns_res) / 2;
}
G_message(_("Using resolution [%g]"), res);
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 Format:"));
if (coords == 1)
sprintf(formatbuff,
_("[Easting] [Northing] [Along Track Dist.(m)] [Elevation]"));
else
sprintf(formatbuff, _("[Along Track Dist.(m)] [Elevation]"));
if (clr)
strcat(formatbuff, _(" [RGB Color]"));
G_message(formatbuff);
/* Get Profile Start Coords */
if (!parm.profile->answer) {
/* Assume input from stdin */
for (n = 1; input(b1, ebuf, b2, nbuf, label); 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, name, coords, res, fd, data_type,
fp, null_string);
e1 = e2;
n1 = n2;
havefirst = TRUE;
}
}
else {
/* Coords from Command Line */
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, name, coords, res, fd, data_type, fp,
null_string);
}
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, name, coords, res, fd, data_type,
fp, null_string);
}
}
}
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 *map, *profile;
struct Flag *stored;
struct Cell_head window;
struct point *points = NULL;
int num_points, max_points = 0;
double length;
double t, b, l, r;
int fd;
int i;
double sx;
int last;
/* Initialize the GIS calls */
G_gisinit(argv[0]);
/* Set description */
module = G_define_module();
G_add_keyword(_("display"));
G_add_keyword(_("profile"));
G_add_keyword(_("raster"));
module->description = _("Plots profile of a transect.");
/* set up command line */
map = G_define_standard_option(G_OPT_R_INPUT);
map->description = _("Raster map to be profiled");
profile = G_define_option();
profile->key = "profile";
profile->type = TYPE_DOUBLE;
profile->required = YES;
profile->multiple = YES;
profile->key_desc = "east,north";
profile->description = _("Profile coordinate pairs");
stored = G_define_flag();
stored->key = 'r';
stored->description = _("Use map's range recorded range");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
mapname = map->answer;
fd = Rast_open_old(mapname, "");
if (stored->answer)
get_map_range();
else
get_region_range(fd);
G_get_window(&window);
num_points = 0;
length = 0;
for (i = 0; profile->answers[i]; i += 2) {
struct point *p;
double x, y;
if (num_points >= max_points) {
max_points = num_points + 100;
points = G_realloc(points, max_points * sizeof(struct point));
}
p = &points[num_points];
G_scan_easting( profile->answers[i+0], &x, G_projection());
G_scan_northing(profile->answers[i+1], &y, G_projection());
p->x = Rast_easting_to_col (x, &window);
p->y = Rast_northing_to_row(y, &window);
if (num_points > 0) {
const struct point *prev = &points[num_points-1];
double dx = fabs(p->x - prev->x);
double dy = fabs(p->y - prev->y);
double d = sqrt(dx * dx + dy * dy);
length += d;
p->d = length;
}
num_points++;
}
points[0].d = 0;
if (num_points < 2)
G_fatal_error(_("At least two points are required"));
/* establish connection with graphics driver */
if (D_open_driver() != 0)
G_fatal_error(_("No graphics device selected. "
"Use d.mon to select graphics device."));
D_setup2(1, 0, 1.05, -0.05, -0.15, 1.05);
plot_axes();
D_use_color(D_translate_color(DEFAULT_FG_COLOR));
D_get_src(&t, &b, &l, &r);
t -= 0.1 * (t - b);
b += 0.1 * (t - b);
l += 0.1 * (r - l);
r -= 0.1 * (r - l);
D_begin();
i = 0;
last = 0;
for (sx = 0; sx < 1; sx += D_get_d_to_u_xconv()) {
double d = length * (sx - l);
const struct point *p, *next;
double k, sy, x, y;
DCELL v;
for (;;) {
p = &points[i];
next = &points[i + 1];
k = (d - p->d) / (next->d - p->d);
if (k < 1)
break;
i++;
}
x = p->x * (1 - k) + next->x * k;
y = p->y * (1 - k) + next->y * k;
if (!get_cell(&v, fd, x, y)) {
last = 0;
continue;
}
sy = (v - min) / (max - min);
if (last)
D_cont_abs(sx, sy);
else
D_move_abs(sx, sy);
last = 1;
}
D_end();
D_stroke();
D_close_driver();
exit(EXIT_SUCCESS);
}
int main(int argc, char **argv)
{
int colorg = 0;
int colorb = 0;
int colort = 0;
double size = 0., gsize = 0.; /* initialize to zero */
double east, north;
int do_text, fontsize, mark_type, line_width;
struct GModule *module;
struct Option *opt1, *opt2, *opt3, *opt4, *fsize, *tcolor, *lwidth;
struct Flag *noborder, *notext, *geogrid, *nogrid, *wgs84, *cross,
*fiducial, *dot;
struct pj_info info_in; /* Proj structures */
struct pj_info info_out; /* Proj structures */
/* Initialize the GIS calls */
G_gisinit(argv[0]);
module = G_define_module();
module->keywords = _("display, cartography");
module->description =
_("Overlays a user-specified grid "
"in the active display frame on the graphics monitor.");
opt2 = G_define_option();
opt2->key = "size";
opt2->key_desc = "value";
opt2->type = TYPE_STRING;
opt2->required = YES;
opt2->label = _("Size of grid to be drawn");
opt2->description = _("In map units or DDD:MM:SS format. "
"Example: \"1000\" or \"0:10\"");
opt3 = G_define_option();
opt3->key = "origin";
opt3->type = TYPE_STRING;
opt3->key_desc = "easting,northing";
opt3->answer = "0,0";
opt3->multiple = NO;
opt3->description = _("Lines of the grid pass through this coordinate");
lwidth = G_define_option();
lwidth->key = "width";
lwidth->type = TYPE_DOUBLE;
lwidth->required = NO;
lwidth->description = _("Grid line width");
opt1 = G_define_standard_option(G_OPT_C_FG);
opt1->answer = "gray";
opt1->label = _("Grid color");
opt1->guisection = _("Color");
opt4 = G_define_standard_option(G_OPT_C_FG);
opt4->key = "bordercolor";
opt4->label = _("Border color");
opt4->guisection = _("Color");
tcolor = G_define_standard_option(G_OPT_C_FG);
tcolor->key = "textcolor";
tcolor->answer = "gray";
tcolor->label = _("Text color");
tcolor->guisection = _("Color");
fsize = G_define_option();
fsize->key = "fontsize";
fsize->type = TYPE_INTEGER;
fsize->required = NO;
fsize->answer = "9";
fsize->options = "1-72";
fsize->description = _("Font size for gridline coordinate labels");
geogrid = G_define_flag();
geogrid->key = 'g';
geogrid->description =
_("Draw geographic grid (referenced to current ellipsoid)");
wgs84 = G_define_flag();
wgs84->key = 'w';
wgs84->description =
_("Draw geographic grid (referenced to WGS84 ellipsoid)");
cross = G_define_flag();
cross->key = 'c';
cross->description = _("Draw '+' marks instead of grid lines");
dot = G_define_flag();
dot->key = 'd';
dot->description = _("Draw '.' marks instead of grid lines");
fiducial = G_define_flag();
fiducial->key = 'f';
fiducial->description = _("Draw fiducial marks instead of grid lines");
nogrid = G_define_flag();
nogrid->key = 'n';
nogrid->description = _("Disable grid drawing");
nogrid->guisection = _("Disable");
noborder = G_define_flag();
noborder->key = 'b';
noborder->description = _("Disable border drawing");
noborder->guisection = _("Disable");
notext = G_define_flag();
notext->key = 't';
notext->description = _("Disable text drawing");
notext->guisection = _("Disable");
/* Check command line */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/* do some checking */
if (nogrid->answer && noborder->answer)
G_fatal_error(_("Both grid and border drawing are disabled"));
if (wgs84->answer)
geogrid->answer = 1; /* -w implies -g */
if (geogrid->answer && G_projection() == PROJECTION_LL)
G_fatal_error(_("Geo-Grid option is not available for LL projection"));
if (geogrid->answer && G_projection() == PROJECTION_XY)
G_fatal_error(_("Geo-Grid option is not available for XY projection"));
if (notext->answer)
do_text = FALSE;
else
do_text = TRUE;
if (lwidth->answer) {
line_width = atoi(lwidth->answer);
if(line_width < 0 || line_width > 1e3)
G_fatal_error("Invalid line width.");
}
else
line_width = 0;
fontsize = atoi(fsize->answer);
mark_type = MARK_GRID;
if (cross->answer + fiducial->answer + dot->answer > 1)
G_fatal_error(_("Choose a single mark style"));
if (cross->answer)
mark_type = MARK_CROSS;
if (fiducial->answer)
mark_type = MARK_FIDUCIAL;
if (dot->answer)
mark_type = MARK_DOT;
/* get grid size */
if (geogrid->answer) {
if (!G_scan_resolution(opt2->answer, &gsize, PROJECTION_LL) ||
gsize <= 0.0)
G_fatal_error(_("Invalid geo-grid size <%s>"), opt2->answer);
}
else {
if (!G_scan_resolution(opt2->answer, &size, G_projection()) ||
size <= 0.0)
G_fatal_error(_("Invalid grid size <%s>"), opt2->answer);
}
/* get grid easting start */
if (!G_scan_easting(opt3->answers[0], &east, G_projection())) {
G_usage();
G_fatal_error(_("Illegal east coordinate <%s>"), opt3->answers[0]);
}
/* get grid northing start */
if (!G_scan_northing(opt3->answers[1], &north, G_projection())) {
G_usage();
G_fatal_error(_("Illegal north coordinate <%s>"), opt3->answers[1]);
}
/* Setup driver and check important information */
if (R_open_driver() != 0)
G_fatal_error(_("No graphics device selected"));
/* Parse and select grid color */
colorg = D_parse_color(opt1->answer, FALSE);
/* Parse and select border color */
colorb = D_parse_color(opt4->answer, FALSE);
/* Parse and select text color */
colort = D_parse_color(tcolor->answer, FALSE);
D_setup(0);
/* draw grid */
if (!nogrid->answer) {
if (geogrid->answer) {
/* initialzie proj stuff */
init_proj(&info_in, &info_out, wgs84->answer);
plot_geogrid(gsize, info_in, info_out, do_text, colorg, colort,
fontsize, mark_type, line_width);
}
else {
/* Do the grid plotting */
plot_grid(size, east, north, do_text, colorg, colort, fontsize,
mark_type, line_width);
}
}
/* Draw border */
if (!noborder->answer) {
/* Set border color */
D_raster_use_color(colorb);
/* Do the border plotting */
plot_border(size, east, north);
}
D_add_to_list(G_recreate_command());
R_close_driver();
exit(EXIT_SUCCESS);
}
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);
}
int main(int argc, char *argv[])
{
/* loop */
int i, j;
/* store filename and path */
char *dig_file;
char buf[2000];
/* Other local variables */
int attCount, nbreaks;
struct grid_description grid_info;
struct Cell_head window;
struct Map_info Map;
struct Option *vectname, *grid, *coord, *box, *angle, *position_opt, *breaks;
struct GModule *module;
struct Flag *points_fl, *line_fl;
int points_p, line_p, output_type;
char *desc;
struct line_pnts *Points;
struct line_cats *Cats;
/* Attributes */
struct field_info *Fi;
dbDriver *Driver;
dbString sql;
G_gisinit(argv[0]);
/* Set description */
module = G_define_module();
G_add_keyword(_("vector"));
G_add_keyword(_("geometry"));
module->description = _("Creates a vector map of a user-defined grid.");
vectname = G_define_standard_option(G_OPT_V_OUTPUT);
vectname->key = "map";
grid = G_define_option();
grid->key = "grid";
grid->key_desc = _("rows,columns");
grid->type = TYPE_INTEGER;
grid->required = YES;
grid->multiple = NO;
grid->description = _("Number of rows and columns in grid");
position_opt = G_define_option();
position_opt->key = "position";
position_opt->type = TYPE_STRING;
position_opt->required = NO;
position_opt->multiple = NO;
position_opt->options = "region,coor";
position_opt->answer = "region";
position_opt->description = _("Where to place the grid");
desc = NULL;
G_asprintf(&desc,
"region;%s;coor;%s",
_("current region"),
_("use 'coor' and 'box' options"));
position_opt->descriptions = desc;
coord = G_define_option();
coord->key = "coor";
coord->key_desc = "x,y";
coord->type = TYPE_DOUBLE;
coord->required = NO;
coord->multiple = NO;
coord->description =
_("Lower left easting and northing coordinates of map");
box = G_define_option();
box->key = "box";
box->key_desc = _("width,height");
box->type = TYPE_DOUBLE;
box->required = NO;
box->multiple = NO;
box->description = _("Width and height of boxes in grid");
angle = G_define_option();
angle->key = "angle";
angle->type = TYPE_DOUBLE;
angle->required = NO;
angle->description =
_("Angle of rotation (in degrees counter-clockwise)");
angle->answer = "0";
breaks = G_define_option();
breaks->key = "breaks";
breaks->type = TYPE_INTEGER;
breaks->required = NO;
breaks->description =
_("Number of vertex points per grid cell");
breaks->options = "0-60";
breaks->answer = "3";
points_fl = G_define_flag();
points_fl->key = 'p';
points_fl->description =
_("Create grid of points instead of areas and centroids");
line_fl = G_define_flag();
line_fl->key = 'l';
line_fl->description =
_("Create grid as lines, instead of areas");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
line_p = line_fl->answer;
if (line_p) {
output_type = GV_LINE;
} else {
output_type = GV_BOUNDARY;
}
points_p = points_fl->answer;
/* get the current window */
G_get_window(&window);
/*
* information we need to collect from user: origin point x and y (lower
* left), shift in x, shift in y, number of rows, number of cols
*/
dig_file = G_store(vectname->answer);
/* Number of row and cols */
grid_info.num_rows = atoi(grid->answers[0]);
grid_info.num_cols = atoi(grid->answers[1]);
grid_info.angle = M_PI / 180 * atof(angle->answer);
nbreaks = atoi(breaks->answer);
/* Position */
if (position_opt->answer[0] == 'r') { /* region */
if (coord->answer)
G_fatal_error(_("'coor' and 'position=region' are exclusive options"));
if (box->answer)
G_fatal_error(_("'box' and 'position=region' are exclusive options"));
if (grid_info.angle != 0.0)
G_fatal_error(_("'angle' and 'position=region' are exclusive options"));
grid_info.origin_x = window.west;
grid_info.origin_y = window.south;
grid_info.length = (window.east - window.west) / grid_info.num_cols;
grid_info.width = (window.north - window.south) / grid_info.num_rows;
G_debug(2, "x = %e y = %e l = %e w = %e", grid_info.origin_x,
grid_info.origin_y, grid_info.length, grid_info.width);
}
else {
if (!coord->answer)
G_fatal_error(_("'coor' option missing"));
if (!box->answer)
G_fatal_error(_("'box' option missing"));
if (!G_scan_easting
(coord->answers[0], &(grid_info.origin_x), window.proj))
G_fatal_error(_("Invalid easting"));;
if (!G_scan_northing
(coord->answers[1], &(grid_info.origin_y), window.proj))
G_fatal_error(_("Invalid northing"));;
if (!G_scan_resolution
(box->answers[0], &(grid_info.length), window.proj))
G_fatal_error(_("Invalid distance"));;
if (!G_scan_resolution
(box->answers[1], &(grid_info.width), window.proj))
G_fatal_error(_("Invalid distance"));;
}
/*
* vector rows are the actual number of rows of vectors to make up the
* entire grid. ditto for cols.
*/
grid_info.num_vect_rows = grid_info.num_rows + 1;
grid_info.num_vect_cols = grid_info.num_cols + 1;
Points = Vect_new_line_struct();
Cats = Vect_new_cats_struct();
db_init_string(&sql);
/* Open output map */
if (0 > Vect_open_new(&Map, dig_file, 0)) {
G_fatal_error(_("Unable to create vector map <%s>"), dig_file);
}
Vect_hist_command(&Map);
/* Open database, create table */
Fi = Vect_default_field_info(&Map, 1, NULL, GV_1TABLE);
Vect_map_add_dblink(&Map, Fi->number, Fi->name, Fi->table, Fi->key,
Fi->database, Fi->driver);
Driver =
db_start_driver_open_database(Fi->driver,
Vect_subst_var(Fi->database, &Map));
if (Driver == NULL)
G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
Fi->database, Fi->driver);
db_set_error_handler_driver(Driver);
if (grid_info.num_rows < 27 && grid_info.num_cols < 27) {
sprintf(buf,
"create table %s ( cat integer, row integer, col integer, "
"rown varchar(1), coln varchar(1))", Fi->table);
}
else {
sprintf(buf,
"create table %s ( cat integer, row integer, col integer)",
Fi->table);
}
db_set_string(&sql, buf);
G_debug(1, "SQL: %s", db_get_string(&sql));
if (db_execute_immediate(Driver, &sql) != DB_OK) {
G_fatal_error(_("Unable to create table: %s"), db_get_string(&sql));
}
if (db_create_index2(Driver, Fi->table, Fi->key) != DB_OK)
G_warning(_("Unable to create index"));
if (db_grant_on_table
(Driver, Fi->table, DB_PRIV_SELECT, DB_GROUP | DB_PUBLIC) != DB_OK)
G_fatal_error(_("Unable to grant privileges on table <%s>"),
Fi->table);
if (!points_p) {
/* create areas */
write_grid(&grid_info, &Map, nbreaks, output_type);
}
/* Create a grid of label points at the centres of the grid cells */
G_verbose_message(_("Creating centroids..."));
/* Write out centroids and attributes */
/* If the output id is lines it skips to add centroids and attributes
TODO decide what to write in the attribute table
*/
if (!line_p) {
db_begin_transaction(Driver);
attCount = 0;
for (i = 0; i < grid_info.num_rows; ++i) {
for (j = 0; j < grid_info.num_cols; ++j) {
double x, y;
const int point_type = points_p ? GV_POINT : GV_CENTROID;
x = grid_info.origin_x + (0.5 + j) * grid_info.length;
y = grid_info.origin_y + (0.5 + i) * grid_info.width;
rotate(&x, &y, grid_info.origin_x, grid_info.origin_y,
grid_info.angle);
Vect_reset_line(Points);
Vect_reset_cats(Cats);
Vect_append_point(Points, x, y, 0.0);
Vect_cat_set(Cats, 1, attCount + 1);
Vect_write_line(&Map, point_type, Points, Cats);
sprintf(buf, "insert into %s values ", Fi->table);
if (db_set_string(&sql, buf) != DB_OK)
G_fatal_error(_("Unable to fill attribute table"));
if (grid_info.num_rows < 27 && grid_info.num_cols < 27) {
sprintf(buf,
"( %d, %d, %d, '%c', '%c' )",
attCount + 1, grid_info.num_rows - i,
j + 1, 'A' + grid_info.num_rows - i - 1, 'A' + j);
}
else {
sprintf(buf, "( %d, %d, %d )",
attCount + 1, i + 1, j + 1);
}
if (db_append_string(&sql, buf) != DB_OK)
G_fatal_error(_("Unable to fill attribute table"));
G_debug(3, "SQL: %s", db_get_string(&sql));
if (db_execute_immediate(Driver, &sql) != DB_OK) {
G_fatal_error(_("Unable to insert new record: %s"),
db_get_string(&sql));
}
attCount++;
}
}
}
db_commit_transaction(Driver);
db_close_database_shutdown_driver(Driver);
Vect_build(&Map);
Vect_close(&Map);
exit(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)
{
int colorg = 0;
int colorb = 0;
int colort = 0;
int colorbg = 0;
double size = 0., gsize = 0.; /* initialize to zero */
double east, north;
int do_text, fontsize, mark_type, line_width, dirn;
struct GModule *module;
struct Option *opt1, *opt2, *opt3, *opt4, *fsize, *tcolor, *lwidth,
*direction, *bgcolor;
struct Flag *noborder, *notext, *geogrid, *nogrid, *wgs84, *cross,
*fiducial, *dot, *align;
struct pj_info info_in; /* Proj structures */
struct pj_info info_out; /* Proj structures */
struct Cell_head wind;
/* Initialize the GIS calls */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("display"));
G_add_keyword(_("cartography"));
G_add_keyword(_("graticule"));
module->description =
_("Overlays a user-specified grid "
"in the active display frame on the graphics monitor.");
opt2 = G_define_option();
opt2->key = "size";
opt2->key_desc = "value";
opt2->type = TYPE_STRING;
opt2->required = YES;
opt2->label = _("Size of grid to be drawn (in map units)");
opt2->description =
_("0 for north-south resolution of the current region. "
"In map units or DDD:MM:SS format. "
"Example: \"1000\" or \"0:10\"");
opt3 = G_define_standard_option(G_OPT_M_COORDS);
opt3->key = "origin";
opt3->answer = "0,0";
opt3->multiple = NO;
opt3->description = _("Lines of the grid pass through this coordinate");
direction = G_define_option();
direction->key = "direction";
direction->type = TYPE_STRING;
direction->required = NO;
direction->answer = "both";
direction->options = "both,east-west,north-south";
direction->description =
_("Draw only east-west lines, north-south lines, or both ");
direction->guisection = _("Disable");
lwidth = G_define_option();
lwidth->key = "width";
lwidth->type = TYPE_DOUBLE;
lwidth->required = NO;
lwidth->description = _("Grid line width");
opt1 = G_define_standard_option(G_OPT_C);
opt1->answer = "gray";
opt1->label = _("Grid color");
opt1->guisection = _("Color");
opt4 = G_define_standard_option(G_OPT_C);
opt4->key = "border_color";
opt4->label = _("Border color");
opt4->guisection = _("Color");
tcolor = G_define_standard_option(G_OPT_C);
tcolor->key = "text_color";
tcolor->answer = "gray";
tcolor->label = _("Text color");
tcolor->guisection = _("Color");
bgcolor = G_define_standard_option(G_OPT_CN);
bgcolor->key = "bgcolor";
bgcolor->answer = "none";
bgcolor->label = _("Background color");
bgcolor->guisection = _("Color");
fsize = G_define_option();
fsize->key = "fontsize";
fsize->type = TYPE_INTEGER;
fsize->required = NO;
fsize->answer = "9";
fsize->options = "1-72";
fsize->description = _("Font size for gridline coordinate labels");
align = G_define_flag();
align->key = 'a';
align->description =
_("Align the origin to the east-north corner of the current region");
geogrid = G_define_flag();
geogrid->key = 'g';
geogrid->description =
_("Draw geographic grid (referenced to current ellipsoid)");
geogrid->guisection = _("Draw");
wgs84 = G_define_flag();
wgs84->key = 'w';
wgs84->description =
_("Draw geographic grid (referenced to WGS84 ellipsoid)");
wgs84->guisection = _("Draw");
cross = G_define_flag();
cross->key = 'c';
cross->description = _("Draw '+' marks instead of grid lines");
cross->guisection = _("Draw");
dot = G_define_flag();
dot->key = 'd';
dot->description = _("Draw '.' marks instead of grid lines");
dot->guisection = _("Draw");
fiducial = G_define_flag();
fiducial->key = 'f';
fiducial->description = _("Draw fiducial marks instead of grid lines");
fiducial->guisection = _("Draw");
nogrid = G_define_flag();
nogrid->key = 'n';
nogrid->description = _("Disable grid drawing");
nogrid->guisection = _("Disable");
noborder = G_define_flag();
noborder->key = 'b';
noborder->description = _("Disable border drawing");
noborder->guisection = _("Disable");
notext = G_define_flag();
notext->key = 't';
notext->description = _("Disable text drawing");
notext->guisection = _("Disable");
/* Check command line */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/* do some checking */
if (nogrid->answer && noborder->answer)
G_fatal_error(_("Both grid and border drawing are disabled"));
if (wgs84->answer)
geogrid->answer = 1; /* -w implies -g */
if (geogrid->answer && G_projection() == PROJECTION_LL)
G_fatal_error(_("Geo-grid option not available for LL projection, use without -g/-w"));
if (geogrid->answer && G_projection() == PROJECTION_XY)
G_fatal_error(_("Geo-grid option not available for XY projection, use without -g/-w"));
if (notext->answer)
do_text = FALSE;
else
do_text = TRUE;
if (lwidth->answer) {
line_width = atoi(lwidth->answer);
if (line_width < 0 || line_width > 1e3)
G_fatal_error("Invalid line width");
}
else
line_width = 0;
fontsize = atoi(fsize->answer);
mark_type = MARK_GRID;
if (cross->answer + fiducial->answer + dot->answer > 1)
G_fatal_error(_("Choose a single mark style"));
if (cross->answer)
mark_type = MARK_CROSS;
if (fiducial->answer)
mark_type = MARK_FIDUCIAL;
if (dot->answer)
mark_type = MARK_DOT;
if (G_strcasecmp(direction->answer, "both") == 0)
dirn = DIRN_BOTH;
else if (G_strcasecmp(direction->answer, "east-west") == 0)
dirn = DIRN_LAT;
else if (G_strcasecmp(direction->answer, "north-south") == 0)
dirn = DIRN_LON;
else
G_fatal_error("Invalid direction: %s", direction->answer);
if (align->answer || strcmp(opt2->answer, "0") == 0)
G_get_element_window(&wind, "", "WIND", G_mapset());
if (strcmp(opt2->answer, "0") == 0) {
if (geogrid->answer)
gsize = wind.ns_res;
else
size = wind.ns_res;
}
else {
/* get grid size */
if (geogrid->answer) {
if (!G_scan_resolution(opt2->answer, &gsize, PROJECTION_LL) ||
gsize <= 0.0)
G_fatal_error(_("Invalid geo-grid size <%s>"), opt2->answer);
}
else {
if (!G_scan_resolution(opt2->answer, &size, G_projection()) ||
size <= 0.0)
G_fatal_error(_("Invalid grid size <%s>"), opt2->answer);
}
}
if (align->answer) {
/* reduce accumulated errors when ew_res is not the same as ns_res. */
struct Cell_head w;
G_get_set_window(&w);
east =
wind.west +
(int)((w.west - wind.west) / wind.ew_res) * wind.ew_res;
north =
wind.south +
(int)((w.south - wind.south) / wind.ns_res) * wind.ns_res;
}
else {
/* get grid easting start */
if (!G_scan_easting(opt3->answers[0], &east, G_projection())) {
G_usage();
G_fatal_error(_("Illegal east coordinate <%s>"),
opt3->answers[0]);
}
/* get grid northing start */
if (!G_scan_northing(opt3->answers[1], &north, G_projection())) {
G_usage();
G_fatal_error(_("Illegal north coordinate <%s>"),
opt3->answers[1]);
}
}
/* Setup driver and check important information */
D_open_driver();
/* Parse and select grid color */
colorg = D_parse_color(opt1->answer, FALSE);
/* Parse and select border color */
colorb = D_parse_color(opt4->answer, FALSE);
/* Parse and select text color */
colort = D_parse_color(tcolor->answer, FALSE);
/* Parse and select background color */
colorbg = D_parse_color(bgcolor->answer, TRUE);
D_setup(0);
/* draw grid */
if (!nogrid->answer) {
if (geogrid->answer) {
/* initialzie proj stuff */
init_proj(&info_in, &info_out, wgs84->answer);
plot_geogrid(gsize, info_in, info_out, do_text, colorg, colort,
colorbg, fontsize, mark_type, line_width, dirn);
}
else {
/* Do the grid plotting */
plot_grid(size, east, north, do_text, colorg, colort, colorbg,
fontsize, mark_type, line_width, dirn);
}
}
/* Draw border */
if (!noborder->answer) {
/* Set border color */
D_use_color(colorb);
/* Do the border plotting */
plot_border(size, east, north, dirn);
}
D_save_command(G_recreate_command());
D_close_driver();
exit(EXIT_SUCCESS);
}
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 scan_easting(char *buf, double *f)
{
if (scan_percent(buf, f, PS.w.west, PS.w.east))
return 1;
return G_scan_easting(buf, f, PS.w.proj);
}