Gp3.c File Reference

OGSF library - loading point sets (lower level functions) More...

#include <stdlib.h>
#include <grass/gis.h>
#include <grass/site.h>
#include <grass/Vect.h>
#include <grass/glocale.h>
#include <grass/gstypes.h>

Include dependency graph for Gp3.c:

Go to the source code of this file.

Functions
int	Gp_set_color (const char *grassname, geopoint *gp)
	Set color for point set. More...
geopoint *	Gp_load_sites (const char *grassname, int *nsites, int *has_z, int *has_att)
	Load to points to memory. More...

Detailed Description

OGSF library - loading point sets (lower level functions)

GRASS OpenGL gsurf OGSF Library

(C) 1999-2008 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.

Author

Bill Brown USACERL, GMSL/University of Illinois (January 1994)

Doxygenized by Martin Landa <landa.martin gmail.com> (May 2008)

Definition in file Gp3.c.

Function Documentation

geopoint* Gp_load_sites	(	const char *	grassname,
		int *	nsites,
		int *	has_z,
		int *	has_att
	)

Load to points to memory.

The other alternative may be to load to a tmp file.

Parameters

grassname	vector point map
nsites
has_z	2D or 3D points?
has_att	attributes included

Returns

pointer to geopoint struct

NULL on failure

Definition at line 90 of file Gp3.c.

References FALSE, G_debug(), G_fatal_error(), G_find_vector2(), G_free(), G_fully_qualified_name(), G_get_set_window(), G_message(), G_warning(), NULL, Vect_close(), Vect_is_3d(), Vect_new_cats_struct(), Vect_new_line_struct(), Vect_open_old(), Vect_read_next_line(), Vect_set_constraint_region(), Vect_set_open_level(), X, and Y.

Referenced by GP_load_site().

int Gp_set_color	(	const char *	grassname,
		geopoint *	gp
	)

Set color for point set.

used when site attribute mode is ST_ATT_COLOR

Gets color structure for grass file, goes through points and uses fattr as CAT, putting rgb color in iattr.

Parameters

grassname	raster map name
gp	pointer to geopoint struct

Returns

1 on success

0 on failure

Definition at line 41 of file Gp3.c.

References b, cat, tools::color, g, G_find_cell2(), G_get_color(), G_read_colors(), G_warning(), if(), int, and r.

Referenced by GP_attmode_color().