color_read.c File Reference

#include "gis.h"
#include "glocale.h"
#include <string.h>

Include dependency graph for color_read.c:

Go to the source code of this file.

Functions
int	G_read_colors (char *name, char *mapset, struct Colors *colors)
	read map layer color table
int	G_mark_colors_as_fp (struct Colors *colors)
	Sets a flag in the colors structure that indicates that these colors should only be looked up using floating-point raster data (not integer data). In particular if this flag is set, the routine G_get_colors_min_max() should return min=-255$^3$ and max=255$^3$.

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Function Documentation

int G_mark_colors_as_fp

(

struct Colors *

colors

)

Sets a flag in the colors structure that indicates that these colors should only be looked up using floating-point raster data (not integer data). In particular if this flag is set, the routine G_get_colors_min_max() should return min=-255$^3$ and max=255$^3$.

Parameters:

colors

Returns:

int

Definition at line 393 of file color_read.c.

Referenced by G_make_rainbow_fp_colors(), and G_read_colors().

int G_read_colors	(	char *	name,
		char *	mapset,
		struct Colors *	colors
	)

read map layer color table

This routine reads the rules from the color file. If the input raster map is is a floating-point map it calls G_mark_colors_as_fp().

Returns:

int

Definition at line 60 of file color_read.c.

References G__name_is_fully_qualified(), G_get_fp_range_min_max(), G_get_range_min_max(), G_init_colors(), G_is_c_null_value(), G_is_d_null_value(), G_make_rainbow_colors(), G_make_rainbow_fp_colors(), G_mapset(), G_mark_colors_as_fp(), G_raster_map_is_fp(), G_read_fp_range(), G_read_range(), and G_warning().

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