GRASS GIS 8 Programmer's Manual 8.3.2(2024)-exported
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Nviz library – Change lighting settings. More...
#include <grass/glocale.h>
#include <grass/nviz.h>
Go to the source code of this file.
Functions | |
int | Nviz_set_light_position (nv_data *data, int num, double x, double y, double z, double w) |
Set light position. | |
int | Nviz_set_light_bright (nv_data *data, int num, double value) |
Set light brightness. | |
int | Nviz_set_light_color (nv_data *data, int num, int red, int green, int blue) |
Set light color. | |
int | Nviz_set_light_ambient (nv_data *data, int num, double value) |
Set light ambient. | |
int | Nviz_init_light (nv_data *data, int num) |
Init new light. | |
int | Nviz_new_light (nv_data *data) |
Define new light. | |
void | Nviz_draw_model (nv_data *data UNUSED) |
Draw lighting model. | |
Nviz library – Change lighting settings.
Based on visualization/nviz/src/lights.c
(C) 2008, 2010 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.
Definition in file lights.c.
void Nviz_draw_model | ( | nv_data *data | UNUSED | ) |
Draw lighting model.
data | nviz data [unused] |
Definition at line 186 of file lights.c.
References GS_done_draw(), GS_draw_lighting_model(), GS_ready_draw(), and GS_set_draw().
int Nviz_init_light | ( | nv_data * | data, |
int | num | ||
) |
Init new light.
data | nviz data |
num | light num (starts at 1) |
Definition at line 134 of file lights.c.
References G_debug().
Referenced by Nviz_new_light().
int Nviz_new_light | ( | nv_data * | data | ) |
Define new light.
data | nviz data |
Definition at line 165 of file lights.c.
References G_warning(), GS_new_light(), and Nviz_init_light().
Referenced by Nviz_init_data().
int Nviz_set_light_ambient | ( | nv_data * | data, |
int | num, | ||
double | value | ||
) |
Set light ambient.
data | nviz data |
num | light num (starts at 1) |
value | ambient value (same for R/G/B) (0-1) |
Definition at line 116 of file lights.c.
References G_debug(), and GS_setlight_ambient().
Referenced by Nviz_init_view().
int Nviz_set_light_bright | ( | nv_data * | data, |
int | num, | ||
double | value | ||
) |
Set light brightness.
data | nviz data |
num | light num (starts at 1) |
value | brightness value |
Definition at line 65 of file lights.c.
References b, g, G_debug(), GS_setlight_color(), and r.
Referenced by Nviz_init_view().
int Nviz_set_light_color | ( | nv_data * | data, |
int | num, | ||
int | red, | ||
int | green, | ||
int | blue | ||
) |
Set light color.
data | nviz data |
num | light num (starts at 1) |
red,green,blue | RGB values (0-255) |
Definition at line 90 of file lights.c.
References b, g, G_debug(), GS_setlight_color(), and r.
Referenced by Nviz_init_view().
int Nviz_set_light_position | ( | nv_data * | data, |
int | num, | ||
double | x, | ||
double | y, | ||
double | z, | ||
double | w | ||
) |
Set light position.
data | nviz data |
num | light num (starts at 1) |
x,y,z,w | position, model coordinates |
Definition at line 28 of file lights.c.
References G_debug(), GS_setlight_position(), and x.
Referenced by Nviz_init_view().