OGSF library - loading and manipulating volumes. More...

#include <string.h>
#include <grass/gis.h>
#include <grass/raster3d.h>
#include <grass/ogsf.h>
#include <grass/glocale.h>
#include "gsget.h"

Include dependency graph for gvl2.c:

Go to the source code of this file.

Functions
void	GVL_libinit (void)
	Library initialization for volumes.

void	GVL_init_region (void)
	Initialize 3D region.

int	GVL_get_region (float n, float s, float w, float e, float t, float b)
	Get region extent settings.

void *	GVL_get_window (void)
	Get window.

int	GVL_vol_exists (int id)
	Check if volume set exists.

int	GVL_new_vol (void)
	Create new volume set.

int	GVL_num_vols (void)
	Get number of loaded volume sets.

int *	GVL_get_vol_list (int *numvols)
	Get list of loaded volume sets.

int	GVL_delete_vol (int id)
	Delete volume set from list.

int	GVL_load_vol (int id, const char *filename)
	Load 3d raster map to volume set.

int	GVL_get_volname (int id, char *filename)
	Get volume set name.

void	GVL_get_dims (int id, int rows, int cols, int *depths)
	Get volume dimensions.

void	GVL_set_trans (int id, float xtrans, float ytrans, float ztrans)
	Set trans ?

int	GVL_get_trans (int id, float xtrans, float ytrans, float *ztrans)
	Get trans ?

void	GVL_set_draw_wire (int id, int draw_wire)
	Set drawing wire box.

void	GVL_draw_vol (int vid)
	Draw volume set.

void	GVL_draw_wire (int id)
	Draw volume in wire mode.

void	GVL_alldraw_vol (void)
	Draw all volume sets.

void	GVL_alldraw_wire (void)
	Draw all volume sets in wire mode.

int	GVL_Set_ClientData (int id, void *clientd)
	Set client data for volume set.

void *	GVL_Get_ClientData (int id)
	Get client data.

void	GVL_set_focus_center_map (int id)
	Set focus on map center.

void	GVL_isosurf_get_drawres (int id, int xres, int yres, int *zres)
	Get draw resolution for isosurface.

int	GVL_isosurf_set_drawres (int id, int xres, int yres, int zres)
	Set isosurface draw resolution.

int	GVL_isosurf_get_drawmode (int id, int *mode)
	Get isosurface draw mode.

int	GVL_isosurf_set_drawmode (int id, int mode)
	Set isosurface draw mode.

int	GVL_isosurf_add (int id)
	Add isosurface.

int	GVL_isosurf_del (int id, int isosurf_id)
	Delete isosurface.

int	GVL_isosurf_move_up (int id, int isosurf_id)
	Move up isosurface in list.

int	GVL_isosurf_move_down (int id, int isosurf_id)
	Move down isosurface in list.

int	GVL_isosurf_get_att (int id, int isosurf_id, int att, int set, float constant, char *mapname)
	Get isosurface attributes.

int	GVL_isosurf_unset_att (int id, int isosurf_id, int att)
	Unset isosurface attributes.

int	GVL_isosurf_set_att_const (int id, int isosurf_id, int att, float constant)
	Set constant isosurface attribute.

int	GVL_isosurf_set_att_map (int id, int isosurf_id, int att, const char *filename)
	Set isosurface map attribute.

int	GVL_isosurf_get_flags (int id, int isosurf_id, int *inout)
	Get isosurface flags.

int	GVL_isosurf_set_flags (int id, int isosurf_id, int inout)
	Set isosurface flags.

int	GVL_isosurf_num_isosurfs (int id)
	Get number of available isosurfaces.

int	GVL_isosurf_set_maskmode (int id, int isosurf_id, int mode)
	Set mask attribute mode.

int	GVL_isosurf_get_maskmode (int id, int isosurf_id, int *mode)
	Get isosurface mask mode.

void	GVL_slice_get_drawres (int id, int xres, int yres, int *zres)
	Get draw resolution of slice.

int	GVL_slice_set_drawres (int id, int xres, int yres, int zres)
	Set slice draw resolution.

int	GVL_slice_get_drawmode (int id, int *mode)
	Get slice draw mode.

int	GVL_slice_set_drawmode (int id, int mode)
	Set slice draw mode.

int	GVL_slice_add (int id)
	Add slice.

int	GVL_slice_del (int id, int slice_id)
	Delete slice.

int	GVL_slice_move_up (int id, int slice_id)
	Move up slice.

int	GVL_slice_move_down (int id, int slice_id)
	Move down slice.

int	GVL_slice_num_slices (int id)
	Get number or slices.

int	GVL_slice_get_pos (int id, int slice_id, float x1, float x2, float y1, float y2, float z1, float z2, int *dir)
	Get slice position.

int	GVL_slice_set_pos (int id, int slice_id, float x1, float x2, float y1, float y2, float z1, float z2, int dir)
	Get slice position.

int	GVL_slice_get_transp (int id, int slice_id, int *transp)
	Get slice trans ?

int	GVL_slice_set_transp (int id, int slice_id, int transp)
	Set slice trans ?

Detailed Description

OGSF library - loading and manipulating volumes.

GRASS OpenGL gsurf OGSF Library

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 UI-GMSL (May 1997) Tomas Paudits (February 2004)

Definition in file gvl2.c.

Function Documentation

◆ GVL_alldraw_vol()

void GVL_alldraw_vol ( void )

Draw all volume sets.

Definition at line 447 of file gvl2.c.

References GVL_draw_vol().

Referenced by gk_follow_frames(), and GK_show_vol().

◆ GVL_alldraw_wire()

void GVL_alldraw_wire ( void )

Draw all volume sets in wire mode.

Definition at line 461 of file gvl2.c.

References GVL_draw_wire().

Referenced by Nviz_draw_quick().

◆ GVL_delete_vol()

int GVL_delete_vol ( int id )

Delete volume set from list.

Parameters

id	volume set id

Returns: 1 on success; -1 on error (invalid volume set id)

Definition at line 210 of file gvl2.c.

References G_debug(), gvl_delete_vol(), GVL_isosurf_del(), GVL_isosurf_num_isosurfs(), GVL_slice_del(), GVL_slice_num_slices(), and GVL_vol_exists().

Referenced by Nviz_new_map_obj().

◆ GVL_draw_vol()

void GVL_draw_vol ( int vid )

Draw volume set.

Parameters

vid	volume set id

Definition at line 408 of file gvl2.c.

References gvl_get_vol(), gvld_vol(), and gvld_wind3_box().

Referenced by GVL_alldraw_vol(), and Nviz_draw_all_vol().

◆ GVL_draw_wire()

void GVL_draw_wire ( int id )

Draw volume in wire mode.

Parameters

id	volume set id

Definition at line 429 of file gvl2.c.

References G_debug(), gvl_get_vol(), and gvld_wire_vol().

Referenced by GVL_alldraw_wire().

◆ GVL_Get_ClientData()

void * GVL_Get_ClientData ( int id )

Get client data.

Parameters

id	volume set id

Returns: pointer to client data; NULL on error

Definition at line 504 of file gvl2.c.

References gvl_get_vol(), and NULL.

◆ GVL_get_dims()

void GVL_get_dims	(	int	id,
		int *	rows,
		int *	cols,
		int *	depths
	)

Get volume dimensions.

Parameters

	id	volume set id
[out]	rows,cols,depths	number of rows, cols, depths

Definition at line 309 of file gvl2.c.

References G_debug(), and gvl_get_vol().

Referenced by Nviz_set_volume_attr_default().

◆ GVL_get_region()

int GVL_get_region	(	float *	n,
		float *	s,
		float *	w,
		float *	e,
		float *	t,
		float *	b
	)

Get region extent settings.

Parameters

[out]	n,s,w,e	north, south, west, east
[out]	t,b	top, bottom

Returns: 1

Definition at line 79 of file gvl2.c.

References b, and t.

◆ GVL_get_trans()

int GVL_get_trans	(	int	id,
		float *	xtrans,
		float *	ytrans,
		float *	ztrans
	)

Get trans ?

Parameters

	id	volume set id
[out]	xtrans,ytrans,ztrans	x/y/z trans values

Returns: 1 on success; -1 on error

Definition at line 365 of file gvl2.c.

References gvl_get_vol().

◆ GVL_get_vol_list()

int * GVL_get_vol_list ( int * numvols )

Get list of loaded volume sets.

Must be freed if not needed!

Parameters

[out] numvols number of volume sets

Returns: pointer to list of volume sets; NULL on error

Definition at line 181 of file gvl2.c.

References G_malloc, and NULL.

Referenced by Nviz_draw_all_vol(), and Nviz_set_focus_map().

◆ GVL_get_volname()

int GVL_get_volname	(	int	id,
		char *	filename
	)

Get volume set name.

Parameters

	id	volume set id
[out]	filename	name (must be allocated)

Returns: -1 on error; 1 on success

Definition at line 286 of file gvl2.c.

References gvl_file_get_name(), gvl_get_vol(), NULL, and strcpy.

◆ GVL_get_window()

void * GVL_get_window ( void )

Get window.

Todo:: gvl_file.c use this - change

Returns: pointer to RASTER3D_Region struct (static)

Definition at line 98 of file gvl2.c.

◆ GVL_init_region()

void GVL_init_region ( void )

Initialize 3D region.

Set region extent (N,S,W,E,T,B)

Definition at line 57 of file gvl2.c.

References NULL, and Rast3d_read_window().

◆ GVL_isosurf_add()

int GVL_isosurf_add ( int id )

Add isosurface.

Parameters

id	volume set id

Returns: -1 on error (invalid volume set id; 1 on success

Definition at line 667 of file gvl2.c.

References G_debug(), G_malloc, gvl_get_vol(), gvl_isosurf_init(), and MAX_ISOSURFS.

◆ GVL_isosurf_del()

int GVL_isosurf_del	(	int	id,
		int	isosurf_id
	)

Delete isosurface.

Parameters

id	volume set id
isosurf_id	isosurface id

Returns: -1 on error; 1 on success

Definition at line 704 of file gvl2.c.

References G_debug(), G_free(), gvl_get_vol(), gvl_isosurf_freemem(), and gvl_isosurf_get_isosurf().

Referenced by GVL_delete_vol().

◆ GVL_isosurf_get_att()

int GVL_isosurf_get_att	(	int	id,
		int	isosurf_id,
		int	att,
		int *	set,
		float *	constant,
		char *	mapname
	)

Get isosurface attributes.

Parameters

	id	volume set id
	isosurf_id	surface id
	att	attribute id
[out]	set
[out]	constant
[out]	mapname

Returns: -1 on error; 1 on success

Definition at line 815 of file gvl2.c.

References geovol_isosurf::att, CONST_ATT, geovol_isosurf_att::constant, G_debug(), gvl_file_get_name(), gvl_isosurf_get_att_src(), gvl_isosurf_get_isosurf(), geovol_isosurf_att::hfile, MAP_ATT, and strcpy.

◆ GVL_isosurf_get_drawmode()

int GVL_isosurf_get_drawmode	(	int	id,
		int *	mode
	)

Get isosurface draw mode.

Parameters

	id	volume set id
[out]	mode	draw-mode

Returns: 1 on success; -1 on error

Definition at line 618 of file gvl2.c.

References gvl_get_vol().

◆ GVL_isosurf_get_drawres()

void GVL_isosurf_get_drawres	(	int	id,
		int *	xres,
		int *	yres,
		int *	zres
	)

Get draw resolution for isosurface.

Todo:: error handling

Parameters

	id	volume set id
[out]	xres,yres,zres	x/y/z resolution value

Definition at line 555 of file gvl2.c.

References G_debug(), and gvl_get_vol().

◆ GVL_isosurf_get_flags()

int GVL_isosurf_get_flags	(	int	id,
		int	isosurf_id,
		int *	inout
	)

Get isosurface flags.

Parameters

	id	volume set id
	isosurf_id	isosurface id
[out]	inout	map name

Returns: 1 on success; -1 on error

Definition at line 957 of file gvl2.c.

References G_debug(), gvl_isosurf_get_isosurf(), and geovol_isosurf::inout_mode.

◆ GVL_isosurf_get_maskmode()

int GVL_isosurf_get_maskmode	(	int	id,
		int	isosurf_id,
		int *	mode
	)

Get isosurface mask mode.

Parameters

id	volume set id
isosurf_id	isosurface id
mode	attribute mode

Returns: 1 on success; -1 on error

Definition at line 1062 of file gvl2.c.

References geovol_isosurf::att, ATT_MASK, geovol_isosurf_att::constant, and gvl_isosurf_get_isosurf().

◆ GVL_isosurf_move_down()

int GVL_isosurf_move_down	(	int	id,
		int	isosurf_id
	)

Move down isosurface in list.

Parameters

id	volume set id
isosurf_id	isosurface id

Returns: -1 on error; 1 on success

Definition at line 777 of file gvl2.c.

References G_debug(), and gvl_get_vol().

◆ GVL_isosurf_move_up()

int GVL_isosurf_move_up	(	int	id,
		int	isosurf_id
	)

Move up isosurface in list.

Parameters

id	volume set id
isosurf_id	isosurface id

Returns: -1 on error; 1 on success

Definition at line 743 of file gvl2.c.

References G_debug(), and gvl_get_vol().

◆ GVL_isosurf_num_isosurfs()

int GVL_isosurf_num_isosurfs ( int id )

Get number of available isosurfaces.

Parameters

id	volume set id

Returns: number of isosurfaces; -1 on error

Definition at line 1008 of file gvl2.c.

References G_debug(), and gvl_get_vol().

Referenced by GVL_delete_vol().

◆ GVL_isosurf_set_att_const()

int GVL_isosurf_set_att_const	(	int	id,
		int	isosurf_id,
		int	att,
		float	constant
	)

Set constant isosurface attribute.

Attributes:

ATT_NORM
ATT_TOPO topography (level) constant
ATT_COLOR color map/constant
ATT_MASK mask map
ATT_TRANSP transparency map/constant
ATT_SHINE shininess map/constant
ATT_EMIT emission map/constant

Parameters

id	volume set id
isosurf_id	isosurface id (0 - MAX_ISOSURFS)
att	attribute descriptor
constant	constant value

Returns: 1 on success; -1 on error

Definition at line 890 of file gvl2.c.

References G_debug(), gvl_isosurf_get_isosurf(), and gvl_isosurf_set_att_const().

◆ GVL_isosurf_set_att_map()

int GVL_isosurf_set_att_map	(	int	id,
		int	isosurf_id,
		int	att,
		const char *	filename
	)

Set isosurface map attribute.

Attributes:

ATT_NORM
ATT_TOPO topography (level) constant
ATT_COLOR color map/constant
ATT_MASK mask map
ATT_TRANSP transparency map/constant
ATT_SHINE shininess map/constant
ATT_EMIT emission map/constant

Parameters

id	volume set id
isosurf_id	isosurface id (0 - MAX_ISOSURFS)
att	attribute descriptor
filename	map name

Returns: 1 on success; -1 on error

Definition at line 928 of file gvl2.c.

References G_debug(), gvl_isosurf_get_isosurf(), and gvl_isosurf_set_att_map().

◆ GVL_isosurf_set_drawmode()

int GVL_isosurf_set_drawmode	(	int	id,
		int	mode
	)

Set isosurface draw mode.

Parameters

id	volume set id
mode	draw mode

Returns: 0 on success; -1 on error (invalid volume set id)

Definition at line 642 of file gvl2.c.

References G_debug(), and gvl_get_vol().

Referenced by Nviz_set_volume_attr_default().

◆ GVL_isosurf_set_drawres()

int GVL_isosurf_set_drawres	(	int	id,
		int	xres,
		int	yres,
		int	zres
	)

Set isosurface draw resolution.

Parameters

id	volume set id
xres,yres,zres	x/y/z resolution value

Returns: -1 on error (invalid values/volume set id); 0 on success

Definition at line 581 of file gvl2.c.

References ATT_TOPO, G_debug(), gvl_get_vol(), and gvl_isosurf_set_att_changed().

Referenced by Nviz_set_volume_attr_default().

◆ GVL_isosurf_set_flags()

int GVL_isosurf_set_flags	(	int	id,
		int	isosurf_id,
		int	inout
	)

Set isosurface flags.

Parameters

id	volume set id
isosurf_id	isosurface id
inout	map name

Returns: 1 on success; -1 on error

Definition at line 983 of file gvl2.c.

References G_debug(), gvl_isosurf_get_isosurf(), and geovol_isosurf::inout_mode.

◆ GVL_isosurf_set_maskmode()

int GVL_isosurf_set_maskmode	(	int	id,
		int	isosurf_id,
		int	mode
	)

Set mask attribute mode.

Mask attribute special: constant is set to indicate invert or no

Parameters

id	volume set id
isosurf_id	isosurface id
mode	attribute mode

Returns: mode id; -1 on error

Definition at line 1035 of file gvl2.c.

References geovol_isosurf::att, ATT_MASK, geovol_isosurf_att::constant, G_debug(), and gvl_isosurf_get_isosurf().

◆ GVL_isosurf_unset_att()

int GVL_isosurf_unset_att	(	int	id,
		int	isosurf_id,
		int	att
	)

Unset isosurface attributes.

Parameters

id	volume set id
isosurf_id	isosurface id
att	attribute id

Returns: ?; -1 on error

Definition at line 855 of file gvl2.c.

References G_debug(), gvl_isosurf_get_isosurf(), gvl_isosurf_set_att_src(), and NOTSET_ATT.

◆ GVL_libinit()

void GVL_libinit ( void )

Library initialization for volumes.

Set region extent (N,S,W,E,T,B)

Definition at line 37 of file gvl2.c.

References Rast3d_get_window(), and Rast3d_init_defaults().

◆ GVL_load_vol()

int GVL_load_vol	(	int	id,
		const char *	filename
	)

Load 3d raster map to volume set.

Parameters

id	volume set id
filename	3d raster map name

Returns: -1 on error; 0 on success

Definition at line 256 of file gvl2.c.

References _, G_debug(), G_message(), gvl_file_newh(), gvl_get_vol(), NULL, and VOL_FTYPE_RASTER3D.

Referenced by Nviz_new_map_obj().

◆ GVL_new_vol()

int GVL_new_vol ( void )

Create new volume set.

Returns: volume set id; -1 on error

Definition at line 136 of file gvl2.c.

References G_debug(), gvl_get_new_vol(), gvl_init_vol(), and MAX_VOLS.

Referenced by Nviz_new_map_obj().

◆ GVL_num_vols()

int GVL_num_vols ( void )

Get number of loaded volume sets.

Returns: number of volume sets

Definition at line 166 of file gvl2.c.

References gvl_num_vols().

Referenced by Nviz_new_map_obj(), and Nviz_set_focus_map().

◆ GVL_Set_ClientData()

int GVL_Set_ClientData	(	int	id,
		void *	clientd
	)

Set client data for volume set.

Parameters

id	volume set id
clientd	pointer to client data

Returns: 1 on success; -1 on error

Definition at line 481 of file gvl2.c.

References gvl_get_vol().

◆ GVL_set_draw_wire()

void GVL_set_draw_wire	(	int	id,
		int	draw_wire
	)

Set drawing wire box.

Parameters

id	volume set id
draw_wire	1 for drawing wire, 0 otherwise

Definition at line 388 of file gvl2.c.

References G_debug(), and gvl_get_vol().

◆ GVL_set_focus_center_map()

void GVL_set_focus_center_map ( int id )

Set focus on map center.

Parameters

id	volume set id

Definition at line 522 of file gvl2.c.

References G_debug(), GS_set_focus(), gvl_get_vol(), X, Y, and Z.

Referenced by Nviz_set_focus_map().

◆ GVL_set_trans()

void GVL_set_trans	(	int	id,
		float	xtrans,
		float	ytrans,
		float	ztrans
	)

Set trans ?

Parameters

id	volume set id
xtrans,ytrans,ztrans	x/y/z trans values

Definition at line 339 of file gvl2.c.

References G_debug(), and gvl_get_vol().

◆ GVL_slice_add()

int GVL_slice_add ( int id )

Add slice.

Parameters

id	volume set id

Returns: -1 on error; 1 on success

Definition at line 1200 of file gvl2.c.

References G_debug(), G_malloc, gvl_get_vol(), gvl_slice_init(), MAX_SLICES, and NULL.

◆ GVL_slice_del()

int GVL_slice_del	(	int	id,
		int	slice_id
	)

Delete slice.

Parameters

id	volume set id
slice_id	slice id

Returns: -1 on error; 1 on success

Definition at line 1236 of file gvl2.c.

References G_debug(), G_free(), gvl_get_vol(), gvl_slice_freemem(), and gvl_slice_get_slice().

Referenced by GVL_delete_vol().

◆ GVL_slice_get_drawmode()

int GVL_slice_get_drawmode	(	int	id,
		int *	mode
	)

Get slice draw mode.

Parameters

	id	volume set id
[out]	mode	draw mode

Returns: 1 on success; -1 on error (invalid id)

Definition at line 1151 of file gvl2.c.

References gvl_get_vol().

◆ GVL_slice_get_drawres()

void GVL_slice_get_drawres	(	int	id,
		int *	xres,
		int *	yres,
		int *	zres
	)

Get draw resolution of slice.

Parameters

	id	volume set id
[out]	xres,yres,zres	x/y/z resolution value

Definition at line 1088 of file gvl2.c.

References G_debug(), and gvl_get_vol().

◆ GVL_slice_get_pos()

int GVL_slice_get_pos	(	int	id,
		int	slice_id,
		float *	x1,
		float *	x2,
		float *	y1,
		float *	y2,
		float *	z1,
		float *	z2,
		int *	dir
	)

Get slice position.

Parameters

	id	volume set id
	slice_id	slice id
[out]	x1,y1,z1	coordinates ?
[out]	x2,y2,z2	coordinates ?
[out]	dir	direction

Returns: -1 on error; 1 on success

Definition at line 1369 of file gvl2.c.

References geovol_slice::dir, gvl_get_vol(), gvl_slice_get_slice(), X, geovol_slice::x1, geovol_slice::x2, Y, geovol_slice::y1, geovol_slice::y2, Z, geovol_slice::z1, and geovol_slice::z2.

◆ GVL_slice_get_transp()

int GVL_slice_get_transp	(	int	id,
		int	slice_id,
		int *	transp
	)

Get slice trans ?

Parameters

	id	volume set id
	slice_id	slice id
[out]	transp	transp value

Returns: -1 on error; 1 on success

Definition at line 1489 of file gvl2.c.

References G_debug(), gvl_slice_get_slice(), and geovol_slice::transp.

◆ GVL_slice_move_down()

int GVL_slice_move_down	(	int	id,
		int	slice_id
	)

Move down slice.

Parameters

id	volume set id
slice_id	slice id

Returns: -1 on error; 1 on success

Definition at line 1309 of file gvl2.c.

References G_debug(), and gvl_get_vol().

◆ GVL_slice_move_up()

int GVL_slice_move_up	(	int	id,
		int	slice_id
	)

Move up slice.

Parameters

id	volume set id
slice_id	slice id

Returns: -1 on error; 1 on success

Definition at line 1275 of file gvl2.c.

References G_debug(), and gvl_get_vol().

◆ GVL_slice_num_slices()

int GVL_slice_num_slices ( int id )

Get number or slices.

Parameters

id	volume set id

Returns: number of slices; -1 on error

Definition at line 1342 of file gvl2.c.

References G_debug(), and gvl_get_vol().

Referenced by GVL_delete_vol().

◆ GVL_slice_set_drawmode()

int GVL_slice_set_drawmode	(	int	id,
		int	mode
	)

Set slice draw mode.

Parameters

id	volume set id
mode	draw mode

Returns: 0 on success; -1 on error (invalid id)

Definition at line 1175 of file gvl2.c.

References G_debug(), and gvl_get_vol().

Referenced by Nviz_set_volume_attr_default().

◆ GVL_slice_set_drawres()

int GVL_slice_set_drawres	(	int	id,
		int	xres,
		int	yres,
		int	zres
	)

Set slice draw resolution.

Parameters

id	volume set id
xres,yres,zres	x/y/z resolution value

Returns: 0 on success; -1 on error (invalid value or id)

Definition at line 1114 of file gvl2.c.

References G_debug(), and gvl_get_vol().

Referenced by Nviz_set_volume_attr_default().

◆ GVL_slice_set_pos()

int GVL_slice_set_pos	(	int	id,
		int	slice_id,
		float	x1,
		float	x2,
		float	y1,
		float	y2,
		float	z1,
		float	z2,
		int	dir
	)

Get slice position.

Parameters

id	volume set id
slice_id	slice id
x1,y1,z1	coordinates ?
x2,y2,z2	coordinates ?
dir	direction

Returns: -1 on error; 1 on success

Definition at line 1429 of file gvl2.c.

References geovol_slice::changed, geovol_slice::dir, gvl_get_vol(), gvl_slice_get_slice(), X, geovol_slice::x1, geovol_slice::x2, Y, geovol_slice::y1, geovol_slice::y2, Z, geovol_slice::z1, and geovol_slice::z2.

◆ GVL_slice_set_transp()

int GVL_slice_set_transp	(	int	id,
		int	slice_id,
		int	transp
	)

Set slice trans ?

Parameters

id	volume set id
slice_id	slice id
transp	transp value

Returns: -1 on error; 1 on success

Definition at line 1515 of file gvl2.c.

References G_debug(), gvl_slice_get_slice(), and geovol_slice::transp.

◆ GVL_vol_exists()

int GVL_vol_exists ( int id )

Check if volume set exists.

Parameters

id	volume set id

Returns: 1 found; 0 not found

Definition at line 111 of file gvl2.c.

References G_debug(), gvl_get_vol(), and NULL.

Referenced by GVL_delete_vol().

Functions

Detailed Description

Function Documentation

◆ GVL_alldraw_vol()

◆ GVL_alldraw_wire()

◆ GVL_delete_vol()

◆ GVL_draw_vol()

◆ GVL_draw_wire()

◆ GVL_Get_ClientData()

◆ GVL_get_dims()

◆ GVL_get_region()

◆ GVL_get_trans()

◆ GVL_get_vol_list()

◆ GVL_get_volname()

◆ GVL_get_window()

◆ GVL_init_region()

◆ GVL_isosurf_add()

◆ GVL_isosurf_del()

◆ GVL_isosurf_get_att()

◆ GVL_isosurf_get_drawmode()

◆ GVL_isosurf_get_drawres()

◆ GVL_isosurf_get_flags()

◆ GVL_isosurf_get_maskmode()

◆ GVL_isosurf_move_down()

◆ GVL_isosurf_move_up()

◆ GVL_isosurf_num_isosurfs()

◆ GVL_isosurf_set_att_const()

◆ GVL_isosurf_set_att_map()

◆ GVL_isosurf_set_drawmode()

◆ GVL_isosurf_set_drawres()

◆ GVL_isosurf_set_flags()

◆ GVL_isosurf_set_maskmode()

◆ GVL_isosurf_unset_att()

◆ GVL_libinit()

◆ GVL_load_vol()

◆ GVL_new_vol()

◆ GVL_num_vols()

◆ GVL_Set_ClientData()

◆ GVL_set_draw_wire()

◆ GVL_set_focus_center_map()

◆ GVL_set_trans()

◆ GVL_slice_add()

◆ GVL_slice_del()

◆ GVL_slice_get_drawmode()

◆ GVL_slice_get_drawres()

◆ GVL_slice_get_pos()

◆ GVL_slice_get_transp()

◆ GVL_slice_move_down()

◆ GVL_slice_move_up()

◆ GVL_slice_num_slices()

◆ GVL_slice_set_drawmode()

◆ GVL_slice_set_drawres()

◆ GVL_slice_set_pos()

◆ GVL_slice_set_transp()

◆ GVL_vol_exists()