int
o_var(char *basemap, char *covermap, char *outputmap, int usecats,
struct Categories *cats)
{
char command[1024];
FILE *stats, *reclass;
int first, mem, i, count;
long basecat, covercat, catb, catc;
double value, vari, x;
double *tab;
mem = MEM * sizeof(double);
tab = (double *)G_malloc(mem);
sprintf(command, "r.stats -cn input=\"%s,%s\" fs=space", basemap,
covermap);
stats = popen(command, "r");
sprintf(command, "r.reclass i=\"%s\" o=\"%s\"", basemap, outputmap);
reclass = popen(command, "w");
first = 1;
while (read_stats(stats, &basecat, &covercat, &value)) {
if (first) {
first = 0;
catb = basecat;
catc = covercat;
i = 0;
count = 0;
}
if (basecat != catb) {
m_var(tab, count, &vari);
fprintf(reclass, "%ld = %ld %f\n", catb, catb, vari);
/*fprintf (stdout, "1. %ld = %ld %f\n", catb, catb, vari); */
catb = basecat;
catc = covercat;
count = 0;
}
if (usecats)
sscanf(G_get_cat((CELL) covercat, cats), "%lf", &x);
else
x = covercat;
for (i = 0; i < value; i++) {
if (count * sizeof(double) >= mem) {
mem += MEM * sizeof(double);
tab = (double *)G_realloc(tab, mem);
/* fprintf(stderr,"MALLOC: %d KB needed\n",(int)(mem/1024)); */
}
tab[count++] = x;
}
}
if (first) {
catb = catc = 0;
}
m_var(tab, count, &vari);
fprintf(reclass, "%ld = %ld %f\n", catb, catb, vari);
G_debug(5, "2. %ld = %ld %f", catb, catb, vari);
pclose(stats);
pclose(reclass);
return (0);
}
int o_var(const char *basemap, const char *covermap, const char *outputmap,
int usecats, struct Categories *cats)
{
struct Popen stats_child, reclass_child;
FILE *stats, *reclass;
int first, mem, i, count;
long basecat, covercat, catb, catc;
double value, vari, x;
double *tab;
mem = MEM * sizeof(double);
tab = (double *)G_malloc(mem);
stats = run_stats(&stats_child, basemap, covermap, "-cn");
reclass = run_reclass(&reclass_child, basemap, outputmap);
first = 1;
while (read_stats(stats, &basecat, &covercat, &value)) {
if (first) {
first = 0;
catb = basecat;
catc = covercat;
i = 0;
count = 0;
}
if (basecat != catb) {
m_var(tab, count, &vari);
fprintf(reclass, "%ld = %ld %f\n", catb, catb, vari);
/*fprintf (stdout, "1. %ld = %ld %f\n", catb, catb, vari); */
catb = basecat;
catc = covercat;
count = 0;
}
if (usecats)
sscanf(Rast_get_c_cat((CELL *) &covercat, cats), "%lf", &x);
else
x = covercat;
for (i = 0; i < value; i++) {
if (count * sizeof(double) >= mem) {
mem += MEM * sizeof(double);
tab = (double *)G_realloc(tab, mem);
/* fprintf(stderr,"MALLOC: %d KB needed\n",(int)(mem/1024)); */
}
tab[count++] = x;
}
}
if (first) {
catb = catc = 0;
}
m_var(tab, count, &vari);
fprintf(reclass, "%ld = %ld %f\n", catb, catb, vari);
G_debug(5, "2. %ld = %ld %f", catb, catb, vari);
G_popen_close(&stats_child);
G_popen_close(&reclass_child);
return 0;
}
