GRASS GIS 8 Programmer's Manual
8.5.0dev(2024)-7ee959a8fa
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Nviz library – Data management. More...
#include <grass/colors.h>
#include <grass/raster.h>
#include <grass/glocale.h>
#include <grass/nviz.h>
Go to the source code of this file.
Functions | |
void | Nviz_init_data (nv_data *data) |
Initialize Nviz data. More... | |
void | Nviz_destroy_data (nv_data *data) |
Free allocated space by nv_data struct. More... | |
void | Nviz_set_bgcolor (nv_data *data, int color) |
Set background color. More... | |
int | Nviz_get_bgcolor (nv_data *data) |
Get background color. More... | |
int | Nviz_color_from_str (const char *color_str) |
Get color value from color string (name or RGB triplet) More... | |
struct fringe_data * | Nviz_new_fringe (nv_data *data, int id, unsigned long color, double elev, int nw, int ne, int sw, int se) |
struct fringe_data * | Nviz_set_fringe (nv_data *data, int id, unsigned long color, double elev, int nw, int ne, int sw, int se) |
void | Nviz_draw_fringe (nv_data *data) |
int | Nviz_set_arrow (nv_data *data, int sx, int sy, float size, unsigned int color) |
Sets the North Arrow position and return world coords. More... | |
int | Nviz_draw_arrow (nv_data *data) |
Draws the North Arrow. More... | |
void | Nviz_delete_arrow (nv_data *data) |
Deletes the North Arrow. More... | |
struct scalebar_data * | Nviz_new_scalebar (nv_data *data, int bar_id, float *coords, float size, unsigned int color) |
struct scalebar_data * | Nviz_set_scalebar (nv_data *data, int bar_id, int sx, int sy, float size, unsigned int color) |
Sets the scale bar position and return world coords. More... | |
void | Nviz_draw_scalebar (nv_data *data) |
Draws the Scale bar. More... | |
void | Nviz_delete_scalebar (nv_data *data, int bar_id) |
Deletes scale bar. More... | |
Nviz library – Data management.
Based on visualization/nviz/src/
(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 nviz.c.
int Nviz_color_from_str | ( | const char * | color_str | ) |
Get color value from color string (name or RGB triplet)
color_str | color string |
Definition at line 125 of file nviz.c.
References _, BLU_MASK, G_str_to_color(), G_warning(), GRN_MASK, and RED_MASK.
void Nviz_delete_arrow | ( | nv_data * | data | ) |
void Nviz_delete_scalebar | ( | nv_data * | data, |
int | bar_id | ||
) |
void Nviz_destroy_data | ( | nv_data * | data | ) |
int Nviz_draw_arrow | ( | nv_data * | data | ) |
void Nviz_draw_fringe | ( | nv_data * | data | ) |
void Nviz_draw_scalebar | ( | nv_data * | data | ) |
int Nviz_get_bgcolor | ( | nv_data * | data | ) |
void Nviz_init_data | ( | nv_data * | data | ) |
struct fringe_data* Nviz_new_fringe | ( | nv_data * | data, |
int | id, | ||
unsigned long | color, | ||
double | elev, | ||
int | nw, | ||
int | ne, | ||
int | sw, | ||
int | se | ||
) |
Add new fringe
data | nviz data |
id | surface id |
color | color |
elev | fringe elevation |
nw,ne,sw,se | 1 (turn on) 0 (turn off) |
struct scalebar_data* Nviz_new_scalebar | ( | nv_data * | data, |
int | bar_id, | ||
float * | coords, | ||
float | size, | ||
unsigned int | color | ||
) |
Add new scalebar
data | nviz data |
bar_id | scale bar id |
coords | real(?) coordinates |
size | scale bar length |
color | scalebar/text color |
int Nviz_set_arrow | ( | nv_data * | data, |
int | sx, | ||
int | sy, | ||
float | size, | ||
unsigned int | color | ||
) |
void Nviz_set_bgcolor | ( | nv_data * | data, |
int | color | ||
) |
struct fringe_data* Nviz_set_fringe | ( | nv_data * | data, |
int | id, | ||
unsigned long | color, | ||
double | elev, | ||
int | nw, | ||
int | ne, | ||
int | sw, | ||
int | se | ||
) |
Set fringe
data | nviz data |
id | surface id |
color | color |
elev | fringe elevation |
nw,ne,sw,se | 1 (turn on) 0 (turn off) |
struct scalebar_data* Nviz_set_scalebar | ( | nv_data * | data, |
int | bar_id, | ||
int | sx, | ||
int | sy, | ||
float | size, | ||
unsigned int | color | ||
) |
Sets the scale bar position and return world coords.
data | nviz data |
bar_id | scale bar id |
sx,sy | screen coordinates |
size | scale bar length |
color | scalebar/text color |