int write_form_cat_colors (char* raster, CATCOLORS* ccolors) {
struct Colors colors;
struct Categories cats;
int i;
Rast_init_colors(&colors);
for(i=1;i<CNT;++i)
Rast_add_color_rule(
&ccolors[i].cat, ccolors[i].r, ccolors[i].g, ccolors[i].b,
&ccolors[i].cat, ccolors[i].r, ccolors[i].g, ccolors[i].b,
&colors, CELL_TYPE);
Rast_write_colors(raster, G_mapset(), &colors);
Rast_free_colors(&colors);
Rast_init_cats("Forms", &cats);
for(i=1;i<CNT;++i)
Rast_set_cat(&ccolors[i].cat, &ccolors[i].cat, ccolors[i].label, &cats, CELL_TYPE);
Rast_write_cats(raster, &cats);
Rast_free_cats(&cats);
return 0;
}
/*!
* \brief Set a raster category label (FCELL)
*
* Adds the label for range <i>rast1</i> through <i>rast2</i> in
* category structure <i>pcats</i>.
*
* \param rast1, rast2 raster values (range)
* \param label category label
* \param pcats pointer to Categories structure
*
* \return
*/
int Rast_set_f_cat(const FCELL * rast1, const FCELL * rast2,
const char *label, struct Categories *pcats)
{
return Rast_set_cat(rast1, rast2, label, pcats, FCELL_TYPE);
}
static CELL read_cats(const char *element,
const char *name,
const char *mapset, struct Categories *pcats, int full)
{
FILE *fd;
char buff[1024];
CELL cat;
DCELL val1, val2;
int old = 0, fp_map;
long num = -1;
if (strncmp(element, "dig", 3) == 0)
fp_map = 0;
else
fp_map = Rast_map_is_fp(name, mapset);
if (!(fd = G_fopen_old(element, name, mapset)))
return -2;
/* Read the number of categories */
if (G_getl(buff, sizeof buff, fd) == 0)
goto error;
if (sscanf(buff, "# %ld", &num) == 1)
old = 0;
else if (sscanf(buff, "%ld", &num) == 1)
old = 1;
if (!full) {
fclose(fd);
if (num < 0)
return 0; /* coorect */
return (CELL) num;
}
/* Read the title for the file */
if (G_getl(buff, sizeof buff, fd) == 0)
goto error;
G_strip(buff);
/* G_ascii_check(buff) ; */
Rast_init_cats(buff, pcats);
if (num >= 0)
pcats->num = num;
if (!old) {
char fmt[256];
float m1, a1, m2, a2;
if (G_getl(fmt, sizeof fmt, fd) == 0)
goto error;
/* next line contains equation coefficients */
if (G_getl(buff, sizeof buff, fd) == 0)
goto error;
if (sscanf(buff, "%f %f %f %f", &m1, &a1, &m2, &a2) != 4)
goto error;
Rast_set_cats_fmt(fmt, m1, a1, m2, a2, pcats);
}
/* Read all category names */
for (cat = 0;; cat++) {
char label[1024];
if (G_getl(buff, sizeof buff, fd) == 0)
break;
if (old)
Rast_set_c_cat(&cat, &cat, buff, pcats);
else {
*label = 0;
if (sscanf(buff, "%1s", label) != 1)
continue;
if (*label == '#')
continue;
*label = 0;
/* for fp maps try to read a range of data */
if (fp_map
&& sscanf(buff, "%lf:%lf:%[^\n]", &val1, &val2, label) == 3)
Rast_set_cat(&val1, &val2, label, pcats, DCELL_TYPE);
else if (sscanf(buff, "%d:%[^\n]", &cat, label) >= 1)
Rast_set_cat(&cat, &cat, label, pcats, CELL_TYPE);
else if (sscanf(buff, "%lf:%[^\n]", &val1, label) >= 1)
Rast_set_cat(&val1, &val1, label, pcats, DCELL_TYPE);
else
goto error;
}
}
fclose(fd);
return 0;
error:
fclose(fd);
return -1;
}
int make_support(struct rr_state *theState, int percent, double percentage)
{
char title[100];
struct History hist;
struct Categories cats;
struct Colors clr;
char *inraster;
struct RASTER_MAP_PTR nulls;
/* write categories for output raster
use values from input or cover map
*/
if (theState->docover == 1) {
inraster = theState->inrcover;
nulls = theState->cnulls;
}
else {
inraster = theState->inraster;
nulls = theState->nulls;
}
if (Rast_read_cats(inraster, "", &cats) >= 0) {
sprintf(title, "Random points on <%s>", inraster);
Rast_set_cats_title(title, &cats);
if (theState->use_nulls)
Rast_set_cat(nulls.data.v,
nulls.data.v,
"Points with NULL values in original",
&cats, nulls.type);
Rast_write_cats(theState->outraster, &cats);
}
/* write history for output raster */
if (Rast_read_history(theState->outraster, G_mapset(), &hist) >= 0) {
Rast_short_history(theState->outraster, "raster", &hist);
Rast_format_history(&hist, HIST_DATSRC_1, "Based on map <%s>", inraster);
if (percent)
Rast_format_history(
&hist, HIST_DATSRC_2,
"Random points over %.2f percent of the base map <%s>",
percentage, inraster);
else
Rast_format_history(
&hist, HIST_DATSRC_2,
"%ld random points on the base map <%s>",
theState->nRand, theState->inraster);
Rast_command_history(&hist);
Rast_write_history(theState->outraster, &hist);
}
/* write commandline to output vector */
if (theState->outvector) {
struct Map_info map;
Vect_open_old(&map, theState->outvector, G_mapset());
Vect_hist_command(&map);
Vect_close(&map);
}
/* set colors for output raster */
if (Rast_read_colors(inraster, "", &clr) >= 0) {
if (theState->use_nulls) {
Rast_add_color_rule(nulls.data.v, 127, 127, 127,
nulls.data.v, 127, 127, 127, &clr,
nulls.type);
}
Rast_write_colors(theState->outraster, G_mapset(), &clr);
}
return 0;
}
static int
read_cats(const char *name, const char *mapset, struct Categories *pcats)
/* adapted from G__read_cats */
{
FILE *fd;
char buff[1024];
CELL cat;
DCELL val1, val2;
int old;
long num = -1;
fd = G_fopen_old_misc(RASTER3D_DIRECTORY, RASTER3D_CATS_ELEMENT, name, mapset);
if (!fd)
return -2;
/* Read the number of categories */
if (G_getl(buff, sizeof(buff), fd) == 0)
goto error;
if (sscanf(buff, "# %ld", &num) == 1)
old = 0;
else if (sscanf(buff, "%ld", &num) == 1)
old = 1;
/* Read the title for the file */
if (G_getl(buff, sizeof(buff), fd) == 0)
goto error;
G_strip(buff);
Rast_init_cats(buff, pcats);
if (num >= 0)
pcats->num = num;
if (!old) {
char fmt[256];
float m1, a1, m2, a2;
if (G_getl(fmt, sizeof(fmt), fd) == 0)
goto error;
/* next line contains equation coefficients */
if (G_getl(buff, sizeof(buff), fd) == 0)
goto error;
if (sscanf(buff, "%f %f %f %f", &m1, &a1, &m2, &a2) != 4)
goto error;
Rast_set_cats_fmt(fmt, m1, a1, m2, a2, pcats);
}
/* Read all category names */
for (cat = 0;; cat++) {
char label[1024];
if (G_getl(buff, sizeof(buff), fd) == 0)
break;
if (old)
Rast_set_c_cat(&cat, &cat, buff, pcats);
else {
*label = 0;
if (sscanf(buff, "%1s", label) != 1)
continue;
if (*label == '#')
continue;
*label = 0;
/* try to read a range of data */
if (sscanf(buff, "%lf:%lf:%[^\n]", &val1, &val2, label) == 3)
Rast_set_cat(&val1, &val2, label, pcats, DCELL_TYPE);
else if (sscanf(buff, "%d:%[^\n]", &cat, label) >= 1)
Rast_set_cat(&cat, &cat, label, pcats, CELL_TYPE);
else if (sscanf(buff, "%lf:%[^\n]", &val1, label) >= 1)
Rast_set_cat(&val1, &val1, label, pcats, DCELL_TYPE);
else
goto error;
}
}
fclose(fd);
return 0;
error:
fclose(fd);
return -1;
}