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/* ***************************************************************
* *
* * MODULE: v.digit
* *
* * AUTHOR(S): Radim Blazek
* *
* * PURPOSE: Edit vector
* *
* * COPYRIGHT: (C) 2001 by the GRASS Development Team
* *
* * This program is free software under the
* * GNU General Public License (>=v2).
* * Read the file COPYING that comes with GRASS
* * for details.
* *
* **************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gis.h"
#include "colors.h"
#include "raster.h"
#include "display.h"
#include "global.h"
#include "proto.h"
/* Init cats */
void
cat_init ( void )
{
int i, line, nlines;
struct line_cats *Cats;
G_debug (2, "cat_init()" );
Cats = Vect_new_cats_struct ();
/* Max cats */
nMaxFieldCat = 0;
aMaxFieldCat = 10; /* allocated space */
MaxFieldCat = (void *) G_malloc ( (aMaxFieldCat) * sizeof(int) * 2 );
/* Read the map and set maximum categories */
nlines = Vect_get_num_lines ( &Map );
for ( line = 1; line <= nlines; line++ ) {
Vect_read_line ( &Map, NULL, Cats, line );
for ( i = 0; i < Cats->n_cats; i++ ) {
if ( (cat_max_get(Cats->field[i])) < Cats->cat[i] ) {
cat_max_set(Cats->field[i],Cats->cat[i]);
}
}
}
}
/* get maximum cat for field */
int
cat_max_get ( int field )
{
int i;
G_debug (2, "cat_max_get() field = %d", field );
for ( i = 0; i < nMaxFieldCat; i++ ) {
if ( MaxFieldCat[i][0] == field ) {
return (MaxFieldCat[i][1]);
}
}
return 0;
}
/* set maximum cat for field */
void
cat_max_set ( int field, int cat)
{
int i;
G_debug (2, "cat_max_set() field = %d cat = %d", field, cat );
for ( i = 0; i < nMaxFieldCat; i++ ) {
if ( MaxFieldCat[i][0] == field ) {
MaxFieldCat[i][1] = cat;
return;
}
}
/* Field not found -> add new */
if ( nMaxFieldCat == aMaxFieldCat ) {
aMaxFieldCat += 10;
MaxFieldCat = (void *) G_realloc ( MaxFieldCat, (aMaxFieldCat) * sizeof(int) * 2 );
}
MaxFieldCat[nMaxFieldCat][0] = field;
MaxFieldCat[nMaxFieldCat][1] = cat;
nMaxFieldCat++;
}
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