static void write_support_files(int xtile, int ytile, int overlap)
{
char name[GNAME_MAX];
struct Cell_head cellhd;
char title[64];
struct History history;
struct Colors colors;
struct Categories cats;
sprintf(name, "%s-%03d-%03d", parm.rastout->answer, ytile, xtile);
Rast_get_cellhd(name, G_mapset(), &cellhd);
cellhd.north = src_w.north - ytile * dst_w.rows * src_w.ns_res;
cellhd.south = cellhd.north - (dst_w.rows + 2 * overlap) * src_w.ns_res;
cellhd.west = src_w.west + xtile * dst_w.cols * src_w.ew_res;
cellhd.east = cellhd.west + (dst_w.cols + 2 * overlap) * src_w.ew_res;
Rast_put_cellhd(name, &cellhd);
/* copy cats from source map */
if (Rast_read_cats(parm.rastin->answer, "", &cats) < 0)
G_fatal_error(_("Unable to read cats for %s"),
parm.rastin->answer);
Rast_write_cats(name, &cats);
/* record map metadata/history info */
G_debug(1, "Tile %d,%d of %s: writing %s", xtile, ytile, parm.rastin->answer, name);
sprintf(title, "Tile %d,%d of %s", xtile, ytile, parm.rastin->answer);
Rast_put_cell_title(name, title);
Rast_short_history(name, "raster", &history);
Rast_set_history(&history, HIST_DATSRC_1, parm.rastin->answer);
Rast_command_history(&history);
Rast_write_history(name, &history);
/* copy color table from source map */
if (Rast_read_colors(parm.rastin->answer, "", &colors) < 0)
G_fatal_error(_("Unable to read color table for %s"),
parm.rastin->answer);
if (map_type != CELL_TYPE)
Rast_mark_colors_as_fp(&colors);
Rast_write_colors(name, G_mapset(), &colors);
}
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;
}
int main(int argc, char *argv[])
{
const char *name;
const char *mapset;
long x, y;
double dx;
RASTER_MAP_TYPE map_type;
int i;
int from_stdin = FALSE;
struct GModule *module;
struct
{
struct Option *map, *fs, *cats, *vals, *raster, *file, *fmt_str,
*fmt_coeff;
} parm;
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("category"));
module->description =
_("Manages category values and labels associated "
"with user-specified raster map layers.");
parm.map = G_define_standard_option(G_OPT_R_MAP);
parm.cats = G_define_standard_option(G_OPT_V_CATS);
parm.cats->multiple = YES;
parm.cats->guisection = _("Selection");
parm.vals = G_define_option();
parm.vals->key = "vals";
parm.vals->type = TYPE_DOUBLE;
parm.vals->multiple = YES;
parm.vals->required = NO;
parm.vals->label = _("Comma separated value list");
parm.vals->description = _("Example: 1.4,3.8,13");
parm.vals->guisection = _("Selection");
parm.fs = G_define_standard_option(G_OPT_F_SEP);
parm.fs->answer = "tab";
parm.raster = G_define_standard_option(G_OPT_R_INPUT);
parm.raster->key = "raster";
parm.raster->required = NO;
parm.raster->description =
_("Raster map from which to copy category table");
parm.raster->guisection = _("Define");
parm.file = G_define_standard_option(G_OPT_F_INPUT);
parm.file->key = "rules";
parm.file->required = NO;
parm.file->description =
_("File containing category label rules (or \"-\" to read from stdin)");
parm.file->guisection = _("Define");
parm.fmt_str = G_define_option();
parm.fmt_str->key = "format";
parm.fmt_str->type = TYPE_STRING;
parm.fmt_str->required = NO;
parm.fmt_str->label =
_("Default label or format string for dynamic labeling");
parm.fmt_str->description =
_("Used when no explicit label exists for the category");
parm.fmt_coeff = G_define_option();
parm.fmt_coeff->key = "coefficients";
parm.fmt_coeff->type = TYPE_DOUBLE;
parm.fmt_coeff->required = NO;
parm.fmt_coeff->key_desc = "mult1,offset1,mult2,offset2";
/* parm.fmt_coeff->answer = "0.0,0.0,0.0,0.0"; */
parm.fmt_coeff->label = _("Dynamic label coefficients");
parm.fmt_coeff->description =
_("Two pairs of category multiplier and offsets, for $1 and $2");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
name = parm.map->answer;
fs = G_option_to_separator(parm.fs);
mapset = G_find_raster2(name, "");
if (mapset == NULL)
G_fatal_error(_("Raster map <%s> not found"), name);
map_type = Rast_map_type(name, mapset);
/* create category labels */
if (parm.raster->answer || parm.file->answer ||
parm.fmt_str->answer || parm.fmt_coeff->answer) {
/* restrict editing to current mapset */
if (strcmp(mapset, G_mapset()) != 0)
G_fatal_error(_("Raster map <%s> not found in current mapset"),
name);
/* use cats from another map */
if (parm.raster->answer) {
int fd;
const char *cmapset;
cmapset = G_find_raster2(parm.raster->answer, "");
if (cmapset == NULL)
G_fatal_error(_("Raster map <%s> not found"),
parm.raster->answer);
fd = Rast_open_old(name, mapset);
Rast_init_cats("", &cats);
if (0 > Rast_read_cats(parm.raster->answer, cmapset, &cats))
G_fatal_error(_("Unable to read category file of raster map <%s@%s>"),
parm.raster->answer, cmapset);
Rast_write_cats(name, &cats);
G_message(_("Category table for <%s> set from <%s>"),
name, parm.raster->answer);
Rast_close(fd);
}
/* load cats from rules file */
if (parm.file->answer) {
FILE *fp;
char **tokens;
int ntokens;
char *e1;
char *e2;
if (strcmp("-", parm.file->answer) == 0) {
from_stdin = TRUE;
fp = stdin;
}
else {
fp = fopen(parm.file->answer, "r");
if (!fp)
G_fatal_error(_("Unable to open file <%s>"),
parm.file->answer);
}
Rast_init_cats("", &cats);
for (;;) {
char buf[1024];
DCELL d1, d2;
int parse_error = 0;
if (!G_getl2(buf, sizeof(buf), fp))
break;
tokens = G_tokenize(buf, fs);
ntokens = G_number_of_tokens(tokens);
if (ntokens == 3) {
d1 = strtod(tokens[0], &e1);
d2 = strtod(tokens[1], &e2);
if (*e1 == 0 && *e2 == 0)
Rast_set_d_cat(&d1, &d2, tokens[2], &cats);
else
parse_error = 1;
}
else if (ntokens == 2) {
d1 = strtod(tokens[0], &e1);
if (*e1 == 0)
Rast_set_d_cat(&d1, &d1, tokens[1], &cats);
else
parse_error = 1;
}
else if (!strlen(buf))
continue;
else
parse_error = 1;
if (parse_error)
G_fatal_error(_("Incorrect format of input rules. "
"Check separators. Invalid line is:\n%s"), buf);
}
G_free_tokens(tokens);
Rast_write_cats(name, &cats);
if (!from_stdin)
fclose(fp);
}
/* set dynamic cat rules for cats without explicit labels */
if (parm.fmt_str->answer || parm.fmt_coeff->answer) {
char *fmt_str;
double m1, a1, m2, a2;
/* read existing values */
Rast_init_cats("", &cats);
if (0 > Rast_read_cats(name, G_mapset(), &cats))
G_warning(_("Unable to read category file of raster map <%s@%s>"),
name, G_mapset());
if (parm.fmt_str->answer) {
fmt_str =
G_malloc(strlen(parm.fmt_str->answer) > strlen(cats.fmt)
? strlen(parm.fmt_str->answer) +
1 : strlen(cats.fmt) + 1);
strcpy(fmt_str, parm.fmt_str->answer);
}
else {
fmt_str = G_malloc(strlen(cats.fmt) + 1);
strcpy(fmt_str, cats.fmt);
}
m1 = cats.m1;
a1 = cats.a1;
m2 = cats.m2;
a2 = cats.a2;
if (parm.fmt_coeff->answer) {
m1 = atof(parm.fmt_coeff->answers[0]);
a1 = atof(parm.fmt_coeff->answers[1]);
m2 = atof(parm.fmt_coeff->answers[2]);
a2 = atof(parm.fmt_coeff->answers[3]);
}
Rast_set_cats_fmt(fmt_str, m1, a1, m2, a2, &cats);
Rast_write_cats(name, &cats);
}
Rast_free_cats(&cats);
exit(EXIT_SUCCESS);
}
else {
if (Rast_read_cats(name, mapset, &cats) < 0)
G_fatal_error(_("Unable to read category file of raster map <%s> in <%s>"),
name, mapset);
}
/* describe the category labels */
/* if no cats requested, use r.describe to get the cats */
if (parm.cats->answer == NULL) {
if (map_type == CELL_TYPE) {
get_cats(name, mapset);
while (next_cat(&x))
print_label(x);
exit(EXIT_SUCCESS);
}
}
else {
if (map_type != CELL_TYPE)
G_warning(_("The map is floating point! Ignoring cats list, using vals list"));
else { /* integer map */
for (i = 0; parm.cats->answers[i]; i++)
if (!scan_cats(parm.cats->answers[i], &x, &y)) {
G_usage();
exit(EXIT_FAILURE);
}
for (i = 0; parm.cats->answers[i]; i++) {
scan_cats(parm.cats->answers[i], &x, &y);
while (x <= y)
print_label(x++);
}
exit(EXIT_SUCCESS);
}
}
if (parm.vals->answer == NULL)
G_fatal_error(_("vals argument is required for floating point map!"));
for (i = 0; parm.vals->answers[i]; i++)
if (!scan_vals(parm.vals->answers[i], &dx)) {
G_usage();
exit(EXIT_FAILURE);
}
for (i = 0; parm.vals->answers[i]; i++) {
scan_vals(parm.vals->answers[i], &dx);
print_d_label(dx);
}
exit(EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
char *p;
int method;
int in_fd;
int selection_fd;
int out_fd;
DCELL *result;
char *selection;
RASTER_MAP_TYPE map_type;
int row, col;
int readrow;
int nrows, ncols;
int n;
int copycolr;
int half;
stat_func *newvalue;
stat_func_w *newvalue_w;
ifunc cat_names;
double quantile;
const void *closure;
struct Colors colr;
struct Cell_head cellhd;
struct Cell_head window;
struct History history;
struct GModule *module;
struct
{
struct Option *input, *output, *selection;
struct Option *method, *size;
struct Option *title;
struct Option *weight;
struct Option *gauss;
struct Option *quantile;
} parm;
struct
{
struct Flag *align, *circle;
} flag;
DCELL *values; /* list of neighborhood values */
DCELL(*values_w)[2]; /* list of neighborhood values and weights */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("algebra"));
G_add_keyword(_("statistics"));
module->description =
_("Makes each cell category value a "
"function of the category values assigned to the cells "
"around it, and stores new cell values in an output raster "
"map layer.");
parm.input = G_define_standard_option(G_OPT_R_INPUT);
parm.selection = G_define_standard_option(G_OPT_R_INPUT);
parm.selection->key = "selection";
parm.selection->required = NO;
parm.selection->description = _("Name of an input raster map to select the cells which should be processed");
parm.output = G_define_standard_option(G_OPT_R_OUTPUT);
parm.method = G_define_option();
parm.method->key = "method";
parm.method->type = TYPE_STRING;
parm.method->required = NO;
parm.method->answer = "average";
p = G_malloc(1024);
for (n = 0; menu[n].name; n++) {
if (n)
strcat(p, ",");
else
*p = 0;
strcat(p, menu[n].name);
}
parm.method->options = p;
parm.method->description = _("Neighborhood operation");
parm.method->guisection = _("Neighborhood");
parm.size = G_define_option();
parm.size->key = "size";
parm.size->type = TYPE_INTEGER;
parm.size->required = NO;
parm.size->description = _("Neighborhood size");
parm.size->answer = "3";
parm.size->guisection = _("Neighborhood");
parm.title = G_define_option();
parm.title->key = "title";
parm.title->key_desc = "phrase";
parm.title->type = TYPE_STRING;
parm.title->required = NO;
parm.title->description = _("Title of the output raster map");
parm.weight = G_define_standard_option(G_OPT_F_INPUT);
parm.weight->key = "weight";
parm.weight->required = NO;
parm.weight->description = _("Text file containing weights");
parm.gauss = G_define_option();
parm.gauss->key = "gauss";
parm.gauss->type = TYPE_DOUBLE;
parm.gauss->required = NO;
parm.gauss->description = _("Sigma (in cells) for Gaussian filter");
parm.quantile = G_define_option();
parm.quantile->key = "quantile";
parm.quantile->type = TYPE_DOUBLE;
parm.quantile->required = NO;
parm.quantile->description = _("Quantile to calculate for method=quantile");
parm.quantile->options = "0.0-1.0";
parm.quantile->answer = "0.5";
flag.align = G_define_flag();
flag.align->key = 'a';
flag.align->description = _("Do not align output with the input");
flag.circle = G_define_flag();
flag.circle->key = 'c';
flag.circle->description = _("Use circular neighborhood");
flag.circle->guisection = _("Neighborhood");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
sscanf(parm.size->answer, "%d", &ncb.nsize);
if (ncb.nsize <= 0)
G_fatal_error(_("Neighborhood size must be positive"));
if (ncb.nsize % 2 == 0)
G_fatal_error(_("Neighborhood size must be odd"));
ncb.dist = ncb.nsize / 2;
if (parm.weight->answer && flag.circle->answer)
G_fatal_error(_("weight= and -c are mutually exclusive"));
if (parm.weight->answer && parm.gauss->answer)
G_fatal_error(_("weight= and gauss= are mutually exclusive"));
ncb.oldcell = parm.input->answer;
ncb.newcell = parm.output->answer;
if (!flag.align->answer) {
Rast_get_cellhd(ncb.oldcell, "", &cellhd);
G_get_window(&window);
Rast_align_window(&window, &cellhd);
Rast_set_window(&window);
}
nrows = Rast_window_rows();
ncols = Rast_window_cols();
/* open raster maps */
in_fd = Rast_open_old(ncb.oldcell, "");
map_type = Rast_get_map_type(in_fd);
/* get the method */
for (method = 0; (p = menu[method].name); method++)
if ((strcmp(p, parm.method->answer) == 0))
break;
if (!p) {
G_warning(_("<%s=%s> unknown %s"),
parm.method->key, parm.method->answer, parm.method->key);
G_usage();
exit(EXIT_FAILURE);
}
if (menu[method].method == c_quant) {
quantile = atoi(parm.quantile->answer);
closure = &quantile;
}
half = (map_type == CELL_TYPE) ? menu[method].half : 0;
/* establish the newvalue routine */
newvalue = menu[method].method;
newvalue_w = menu[method].method_w;
/* copy color table? */
copycolr = menu[method].copycolr;
if (copycolr) {
G_suppress_warnings(1);
copycolr =
(Rast_read_colors(ncb.oldcell, "", &colr) > 0);
G_suppress_warnings(0);
}
/* read the weights */
if (parm.weight->answer) {
read_weights(parm.weight->answer);
if (!newvalue_w)
weights_mask();
}
else if (parm.gauss->answer) {
if (!newvalue_w)
G_fatal_error(_("Method %s not compatible with Gaussian filter"), parm.method->answer);
gaussian_weights(atof(parm.gauss->answer));
}
else
newvalue_w = NULL;
/* allocate the cell buffers */
allocate_bufs();
result = Rast_allocate_d_buf();
/* get title, initialize the category and stat info */
if (parm.title->answer)
strcpy(ncb.title, parm.title->answer);
else
sprintf(ncb.title, "%dx%d neighborhood: %s of %s",
ncb.nsize, ncb.nsize, menu[method].name, ncb.oldcell);
/* initialize the cell bufs with 'dist' rows of the old cellfile */
readrow = 0;
for (row = 0; row < ncb.dist; row++)
readcell(in_fd, readrow++, nrows, ncols);
/* open the selection raster map */
if (parm.selection->answer) {
G_message(_("Opening selection map <%s>"), parm.selection->answer);
selection_fd = Rast_open_old(parm.selection->answer, "");
selection = Rast_allocate_null_buf();
} else {
selection_fd = -1;
selection = NULL;
}
/*open the new raster map */
out_fd = Rast_open_new(ncb.newcell, map_type);
if (flag.circle->answer)
circle_mask();
if (newvalue_w)
values_w =
(DCELL(*)[2]) G_malloc(ncb.nsize * ncb.nsize * 2 * sizeof(DCELL));
else
values = (DCELL *) G_malloc(ncb.nsize * ncb.nsize * sizeof(DCELL));
for (row = 0; row < nrows; row++) {
G_percent(row, nrows, 2);
readcell(in_fd, readrow++, nrows, ncols);
if (selection)
Rast_get_null_value_row(selection_fd, selection, row);
for (col = 0; col < ncols; col++) {
DCELL *rp = &result[col];
if (selection && selection[col]) {
*rp = ncb.buf[ncb.dist][col];
continue;
}
if (newvalue_w)
n = gather_w(values_w, col);
else
n = gather(values, col);
if (n < 0)
Rast_set_d_null_value(rp, 1);
else {
if (newvalue_w)
newvalue_w(rp, values_w, n, closure);
else
newvalue(rp, values, n, closure);
if (half && !Rast_is_d_null_value(rp))
*rp += 0.5;
}
}
Rast_put_d_row(out_fd, result);
}
G_percent(row, nrows, 2);
Rast_close(out_fd);
Rast_close(in_fd);
if (selection)
Rast_close(selection_fd);
/* put out category info */
null_cats();
if ((cat_names = menu[method].cat_names))
cat_names();
Rast_write_cats(ncb.newcell, &ncb.cats);
if (copycolr)
Rast_write_colors(ncb.newcell, G_mapset(), &colr);
Rast_short_history(ncb.newcell, "raster", &history);
Rast_command_history(&history);
Rast_write_history(ncb.newcell, &history);
exit(EXIT_SUCCESS);
}
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;
}
/*
* check_stats() - Check and update statistics
*
* RETURN: 0 on success / 1 on failure
*/
int check_stats(const char *name)
{
RASTER_MAP_TYPE data_type;
struct Histogram histogram;
struct Categories cats;
struct Range range;
struct FPRange fprange;
int i, histo_num;
int cats_ok;
int max;
data_type = Rast_map_type(name, "");
G_message(_("Updating statistics for [%s]..."), name);
if (!do_histogram(name))
return 1;
if (Rast_read_histogram(name, "", &histogram) <= 0)
return 1;
/* Init histogram range */
if (data_type == CELL_TYPE)
Rast_init_range(&range);
else
Rast_init_fp_range(&fprange);
G_message(_("Updating histogram range..."));
i = histo_num = Rast_get_histogram_num(&histogram);
while (i >= 0) {
G_percent(i, histo_num, 2);
if (data_type == CELL_TYPE)
Rast_update_range(Rast_get_histogram_cat(i--, &histogram), &range);
else
Rast_update_fp_range((DCELL) Rast_get_histogram_cat(i--, &histogram),
&fprange);
}
/* Write histogram range */
if (data_type == CELL_TYPE)
Rast_write_range(name, &range);
else
Rast_write_fp_range(name, &fprange);
/* Get category status and max */
cats_ok = (Rast_read_cats(name, "", &cats) >= 0);
max = (data_type == CELL_TYPE ? range.max : fprange.max);
/* Further category checks */
if (!cats_ok)
Rast_init_cats("", &cats);
else if (cats.num != max) {
cats.num = max;
cats_ok = 0;
}
/* Update categories if needed */
if (!cats_ok) {
G_message(_("Updating the number of categories for [%s]..."), name);
Rast_write_cats(name, &cats);
}
Rast_free_histogram(&histogram);
Rast_free_cats(&cats);
return 0;
}
int main(int argc, char *argv[])
{
int fd[NFILES];
int outfd;
int i;
const char *name;
const char *output;
const char *mapset;
int non_zero;
struct Range range;
CELL ncats, max_cats;
int primary;
struct Categories pcats;
struct Colors pcolr;
char buf[1024];
CELL result;
struct GModule *module;
struct
{
struct Option *input, *output;
} parm;
struct
{
struct Flag *z;
} flag;
G_gisinit(argv[0]);
/* Define the different options */
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("statistics"));
module->description =
_("Creates a cross product of the category values from "
"multiple raster map layers.");
parm.input = G_define_option();
parm.input->key = "input";
parm.input->type = TYPE_STRING;
parm.input->required = YES;
parm.input->multiple = YES;
parm.input->gisprompt = "old,cell,raster";
sprintf(buf, _("Names of 2-%d input raster maps"), NFILES);
parm.input->description = G_store(buf);
parm.output = G_define_standard_option(G_OPT_R_OUTPUT);
/* Define the different flags */
flag.z = G_define_flag();
flag.z->key = 'z';
flag.z->description = _("Non-zero data only");
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
nrows = Rast_window_rows();
ncols = Rast_window_cols();
nfiles = 0;
non_zero = flag.z->answer;
for (nfiles = 0; (name = parm.input->answers[nfiles]); nfiles++) {
if (nfiles >= NFILES)
G_fatal_error(_("More than %d files not allowed"), NFILES);
mapset = G_find_raster2(name, "");
if (!mapset)
G_fatal_error(_("Raster map <%s> not found"), name);
names[nfiles] = name;
fd[nfiles] = Rast_open_old(name, mapset);
Rast_read_range(name, mapset, &range);
ncats = range.max - range.min;
if (nfiles == 0 || ncats > max_cats) {
primary = nfiles;
max_cats = ncats;
}
}
if (nfiles <= 1)
G_fatal_error(_("Must specify 2 or more input maps"));
output = parm.output->answer;
outfd = Rast_open_c_new(output);
sprintf(buf, "Cross of %s", names[0]);
for (i = 1; i < nfiles - 1; i++) {
strcat(buf, ", ");
strcat(buf, names[i]);
}
strcat(buf, " and ");
strcat(buf, names[i]);
Rast_init_cats(buf, &pcats);
/* first step is cross product, but un-ordered */
result = cross(fd, non_zero, primary, outfd);
/* print message STEP mesage */
G_message(_("%s: STEP 2 ..."), G_program_name());
/* now close all files */
for (i = 0; i < nfiles; i++)
Rast_close(fd[i]);
Rast_close(outfd);
if (result <= 0)
exit(0);
/* build the renumbering/reclass and the new cats file */
qsort(reclass, result + 1, sizeof(RECLASS), cmp);
table = (CELL *) G_calloc(result + 1, sizeof(CELL));
for (i = 0; i < nfiles; i++) {
mapset = G_find_raster2(names[i], "");
Rast_read_cats(names[i], mapset, &labels[i]);
}
for (ncats = 0; ncats <= result; ncats++) {
table[reclass[ncats].result] = ncats;
set_cat(ncats, reclass[ncats].cat, &pcats);
}
for (i = 0; i < nfiles; i++)
Rast_free_cats(&labels[i]);
/* reopen the output cell for reading and for writing */
fd[0] = Rast_open_old(output, G_mapset());
outfd = Rast_open_c_new(output);
renumber(fd[0], outfd);
G_message(_("Creating support files for <%s>..."), output);
Rast_close(fd[0]);
Rast_close(outfd);
Rast_write_cats(output, &pcats);
Rast_free_cats(&pcats);
if (result > 0) {
Rast_make_random_colors(&pcolr, (CELL) 1, result);
Rast_write_colors(output, G_mapset(), &pcolr);
}
G_message(_("%ld categories"), (long)result);
exit(EXIT_SUCCESS);
}
int exec_rectify(char *extension, char *interp_method, char *angle_map)
{
char *name;
char *mapset;
char *result;
char *type = "raster";
int n;
struct Colors colr;
struct Categories cats;
struct History hist;
int colr_ok, cats_ok;
long start_time, rectify_time;
double aver_z;
int elevfd;
struct cache *ebuffer;
G_debug(1, "Open elevation raster: ");
/* open elevation raster */
select_target_env();
G_set_window(&target_window);
G_debug(1, "target window: rs=%d cs=%d n=%f s=%f w=%f e=%f\n",
target_window.rows, target_window.cols, target_window.north,
target_window.south, target_window.west, target_window.east);
elevfd = Rast_open_old(elev_name, elev_mapset);
if (elevfd < 0) {
G_fatal_error(_("Could not open elevation raster"));
return 1;
}
ebuffer = readcell(elevfd, seg_mb_elev, 1);
select_target_env();
Rast_close(elevfd);
/* get an average elevation of the control points */
/* this is used only if target cells have no elevation */
get_aver_elev(&group.control_points, &aver_z);
G_message("-----------------------------------------------");
/* rectify each file */
for (n = 0; n < group.group_ref.nfiles; n++) {
if (!ref_list[n])
continue;
name = group.group_ref.file[n].name;
mapset = group.group_ref.file[n].mapset;
result =
G_malloc(strlen(group.group_ref.file[n].name) + strlen(extension) + 1);
strcpy(result, group.group_ref.file[n].name);
strcat(result, extension);
G_debug(2, "ORTHO RECTIFYING:");
G_debug(2, "NAME %s", name);
G_debug(2, "MAPSET %s", mapset);
G_debug(2, "RESULT %s", result);
G_debug(2, "select_current_env...");
select_current_env();
cats_ok = Rast_read_cats(name, mapset, &cats) >= 0;
colr_ok = Rast_read_colors(name, mapset, &colr) > 0;
/* Initialze History */
if (Rast_read_history(name, mapset, &hist) < 0)
Rast_short_history(result, type, &hist);
G_debug(2, "reading was fine...");
time(&start_time);
G_debug(2, "Starting the rectification...");
if (rectify(name, mapset, ebuffer, aver_z, result, interp_method)) {
G_debug(2, "Done. Writing results...");
select_target_env();
if (cats_ok) {
Rast_write_cats(result, &cats);
Rast_free_cats(&cats);
}
if (colr_ok) {
Rast_write_colors(result, G_mapset(), &colr);
Rast_free_colors(&colr);
}
/* Write out History */
Rast_command_history(&hist);
Rast_write_history(result, &hist);
select_current_env();
time(&rectify_time);
report(rectify_time - start_time, 1);
}
else
report((long)0, 0);
G_free(result);
}
close(ebuffer->fd);
release_cache(ebuffer);
if (angle_map) {
camera_angle(angle_map);
}
return 0;
}
int main(int argc, char *argv[])
{
char rname[GNAME_MAX]; /* Reclassed map name */
char rmapset[GMAPSET_MAX]; /* Reclassed mapset */
const char *mapset; /* Raster mapset */
struct Cell_head cellhd;
struct GModule *module;
struct Option *raster, *title_opt, *history_opt;
struct Option *datasrc1_opt, *datasrc2_opt, *datadesc_opt;
struct Option *map_opt, *units_opt, *vdatum_opt;
struct Option *load_opt, *save_opt;
struct Flag *stats_flag, *null_flag, *del_flag;
int is_reclass; /* Is raster reclass? */
const char *infile;
char title[MAX_TITLE_LEN + 1];
struct History hist;
/* Initialize GIS engine */
G_gisinit(argv[0]);
module = G_define_module();
G_add_keyword(_("raster"));
G_add_keyword(_("metadata"));
module->description = _("Allows creation and/or modification of "
"raster map layer support files.");
raster = G_define_standard_option(G_OPT_R_MAP);
title_opt = G_define_option();
title_opt->key = "title";
title_opt->key_desc = "phrase";
title_opt->type = TYPE_STRING;
title_opt->required = NO;
title_opt->description = _("Title for resultant raster map");
history_opt = G_define_option();
history_opt->key = "history";
history_opt->key_desc = "phrase";
history_opt->type = TYPE_STRING;
history_opt->required = NO;
history_opt->description =
_("Text to append to the next line of the map's metadata file");
units_opt = G_define_option();
units_opt->key = "units";
units_opt->type = TYPE_STRING;
units_opt->required = NO;
units_opt->description = _("Text to use for map data units");
vdatum_opt = G_define_option();
vdatum_opt->key = "vdatum";
vdatum_opt->type = TYPE_STRING;
vdatum_opt->required = NO;
vdatum_opt->description = _("Text to use for map vertical datum");
datasrc1_opt = G_define_option();
datasrc1_opt->key = "source1";
datasrc1_opt->key_desc = "phrase";
datasrc1_opt->type = TYPE_STRING;
datasrc1_opt->required = NO;
datasrc1_opt->description = _("Text to use for data source, line 1");
datasrc2_opt = G_define_option();
datasrc2_opt->key = "source2";
datasrc2_opt->key_desc = "phrase";
datasrc2_opt->type = TYPE_STRING;
datasrc2_opt->required = NO;
datasrc2_opt->description = _("Text to use for data source, line 2");
datadesc_opt = G_define_option();
datadesc_opt->key = "description";
datadesc_opt->key_desc = "phrase";
datadesc_opt->type = TYPE_STRING;
datadesc_opt->required = NO;
datadesc_opt->description =
_("Text to use for data description or keyword(s)");
map_opt = G_define_option();
map_opt->key = "raster";
map_opt->type = TYPE_STRING;
map_opt->required = NO;
map_opt->gisprompt = "old,cell,raster";
map_opt->description = _("Raster map from which to copy category table");
load_opt = G_define_standard_option(G_OPT_F_INPUT);
load_opt->key = "loadhistory";
load_opt->required = NO;
load_opt->description = _("Text file from which to load history");
save_opt = G_define_standard_option(G_OPT_F_OUTPUT);
save_opt->key = "savehistory";
save_opt->required = NO;
save_opt->description = _("Text file in which to save history");
stats_flag = G_define_flag();
stats_flag->key = 's';
stats_flag->description = _("Update statistics (histogram, range)");
null_flag = G_define_flag();
null_flag->key = 'n';
null_flag->description = _("Create/reset the null file");
del_flag = G_define_flag();
del_flag->key = 'd';
del_flag->description = _("Delete the null file");
/* Parse command-line options */
if (G_parser(argc, argv))
exit(EXIT_FAILURE);
/* Make sure raster exists and set mapset */
infile = raster->answer;
mapset = G_find_raster2(infile, G_mapset()); /* current mapset only for editing */
if (!mapset || strcmp(mapset, G_mapset()) != 0)
G_fatal_error(_("Raster map <%s> not found in current mapset"), infile);
Rast_get_cellhd(raster->answer, "", &cellhd);
is_reclass = (Rast_is_reclass(raster->answer, "", rname, rmapset) > 0);
if (title_opt->answer) {
strncpy(title, title_opt->answer, MAX_TITLE_LEN);
title[MAX_TITLE_LEN - 1] = '\0'; /* strncpy doesn't null terminate oversized input */
G_strip(title);
G_debug(3, "map title= [%s] (%li chars)", title, strlen(title));
Rast_read_history(raster->answer, "", &hist);
Rast_set_history(&hist, HIST_TITLE, title);
Rast_write_history(raster->answer, &hist);
}
if (save_opt->answer) {
FILE *fp = fopen(save_opt->answer, "w");
int i;
if (!fp)
G_fatal_error(_("Unable to open output file <%s>"), save_opt->answer);
Rast_read_history(raster->answer, "", &hist);
for (i = 0; i < Rast_history_length(&hist); i++)
fprintf(fp, "%s\n", Rast_history_line(&hist, i));
fclose(fp);
}
if (load_opt->answer) {
FILE *fp = fopen(load_opt->answer, "r");
if (!fp)
G_fatal_error(_("Unable to open input file <%s>"), load_opt->answer);
Rast_read_history(raster->answer, "", &hist);
Rast_clear_history(&hist);
for (;;) {
char buf[80];
if (!G_getl2(buf, sizeof(buf), fp))
break;
Rast_append_history(&hist, buf);
}
fclose(fp);
Rast_write_history(raster->answer, &hist);
}
if (history_opt->answer) {
Rast_read_history(raster->answer, "", &hist);
/* two less than defined as if only one less a newline gets appended in the hist file. bug? */
/* Should be RECORD_LEN, but r.info truncates at > 71 chars */
if (strlen(history_opt->answer) > 71) {
int i;
for (i = 0; i < strlen(history_opt->answer); i += 71) {
char buf[72];
strncpy(buf, &history_opt->answer[i], sizeof(buf)-1);
buf[sizeof(buf)-1] = '\0';
Rast_append_history(&hist, buf);
}
}
else
Rast_append_history(&hist, history_opt->answer);
Rast_write_history(raster->answer, &hist);
}
if (units_opt->answer)
Rast_write_units(raster->answer, units_opt->answer);
if (vdatum_opt->answer)
Rast_write_vdatum(raster->answer, vdatum_opt->answer);
if (datasrc1_opt->answer || datasrc2_opt->answer || datadesc_opt->answer) {
Rast_read_history(raster->answer, "", &hist);
if (datasrc1_opt->answer)
Rast_set_history(&hist, HIST_DATSRC_1, datasrc1_opt->answer);
if (datasrc2_opt->answer)
Rast_set_history(&hist, HIST_DATSRC_2, datasrc2_opt->answer);
if (datadesc_opt->answer)
Rast_set_history(&hist, HIST_KEYWRD, datadesc_opt->answer);
Rast_write_history(raster->answer, &hist);
}
if (map_opt->answer) { /* use cats from another map */
int fd;
struct Categories cats;
fd = Rast_open_old(infile, "");
Rast_init_cats("", &cats);
if (Rast_read_cats(map_opt->answer, "", &cats) < 0)
G_fatal_error(_("Unable to read category file of raster map <%s>"),
map_opt->answer);
Rast_write_cats(infile, &cats);
G_message(_("cats table for [%s] set to %s"),
infile, map_opt->answer);
Rast_close(fd);
Rast_free_cats(&cats);
}
if (title_opt->answer || history_opt->answer || units_opt->answer
|| vdatum_opt->answer || datasrc1_opt->answer || datasrc2_opt->answer
|| datadesc_opt->answer || map_opt->answer)
exit(EXIT_SUCCESS);
/* Check the histogram and range */
if (stats_flag->answer)
check_stats(raster->answer);
/* null file */
if (null_flag->answer) {
unsigned char *null_bits;
int row, col;
int fd;
if (is_reclass)
G_fatal_error(_("[%s] is a reclass of another map. Exiting."),
raster->answer);
/* Create a file of no-nulls */
null_bits = Rast__allocate_null_bits(cellhd.cols);
for (col = 0; col < Rast__null_bitstream_size(cellhd.cols); col++)
null_bits[col] = 0;
/* Open null file for writing */
Rast_set_window(&cellhd);
fd = Rast__open_null_write(raster->answer);
G_message(_("Writing new null file for [%s]... "), raster->answer);
for (row = 0; row < cellhd.rows; row++) {
G_percent(row, cellhd.rows, 1);
Rast__write_null_bits(fd, null_bits);
}
G_percent(row, cellhd.rows, 1);
/* Cleanup */
Rast__close_null(fd);
G_free(null_bits);
}
if (del_flag->answer) {
char path[GPATH_MAX];
if (is_reclass)
G_fatal_error(_("[%s] is a reclass of another map. Exiting."),
raster->answer);
/* Write a file of no-nulls */
G_message(_("Removing null file for [%s]...\n"), raster->answer);
G_file_name_misc(path, "cell_misc", "null", raster->answer, G_mapset());
unlink(path);
G_file_name_misc(path, "cell_misc", "null2", raster->answer, G_mapset());
unlink(path);
G_done_msg(_("Done."));
}
return EXIT_SUCCESS;
}
