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GRASS Programmer's Manual
6.5.svn(2014)-r66266
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OGSF library - loading and manipulating point sets. More...

Go to the source code of this file.
Macros | |
| #define | CHK_FREQ 50 |
| #define | v_border 50 |
Functions | |
| int | gpd_obj_site_attr (geosurf *gs, geosite *gp, geopoint *gpt, Point3 site) |
| Substitutes gpd_obj() More... | |
| int | gs_point_in_region (geosurf *gs, float *pt, float *region) |
| Check if point is in region. More... | |
| void | gpd_obj (geosurf *gs, int color, float size, int marker, Point3 pt) |
| ADD. More... | |
| int | gpd_2dsite (geosite *gp, geosurf *gs, int do_fast) |
| ADD. More... | |
| int | gpd_3dsite (geosite *gp, float xo, float yo, int do_fast) |
| ADD. More... | |
OGSF library - loading and manipulating point sets.
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.
Definition in file gpd.c.
| #define CHK_FREQ 50 |
Definition at line 26 of file gpd.c.
Referenced by gpd_2dsite(), and gpd_3dsite().
ADD.
Need to think about translations - If user translates surface, sites should automatically go with it, but translating sites should translate it relative to surface on which it's displayed
Handling mask checking here
| gp | site (geosite) |
| gs | surface (geosurf) |
| do_fast | (unused) |
Definition at line 349 of file gpd.c.
References buf, CHK_FREQ, tools::color, gpd_obj_site_attr(), GS_check_cancel(), gs_get_att_src(), gs_get_att_typbuff(), gs_point_in_region(), gs_point_is_masked(), gs_update_curmask(), gsd_checkpoint(), gsd_do_scale(), gsd_getwindow(), gsd_linewidth(), gsd_popmatrix(), gsd_pushmatrix(), gsd_translate(), NULL, tools::size, viewcell_tri_interp(), tools::window, X, and Y.
Referenced by GP_draw_site().
ADD.
| gp | site (geosite) |
| xo,yo | |
| do_fast | (unused) |
Definition at line 458 of file gpd.c.
References CHK_FREQ, tools::color, gpd_obj_site_attr(), GS_check_cancel(), GS_global_exag(), gsd_checkpoint(), gsd_do_scale(), gsd_getwindow(), gsd_linewidth(), gsd_popmatrix(), gsd_pushmatrix(), NULL, tools::size, tools::window, X, and Y.
Referenced by GP_draw_site().
ADD.
Do normal transforms before calling
Note gs: NULL if 3d obj or const elev surface
| gs | surface (geosurf) |
| size | |
| marker | |
| pt | 3d point (Point3) |
Definition at line 202 of file gpd.c.
References GS_global_exag(), GS_v3eq(), gsd_box(), gsd_color_func(), gsd_colormode(), gsd_cube(), gsd_diamond(), gsd_draw_asterisk(), gsd_draw_box(), gsd_draw_gyro(), gsd_popmatrix(), gsd_pushmatrix(), gsd_scale(), gsd_sphere(), gsd_x(), and tools::size.
Referenced by gpd_obj_site_attr(), and GS_draw_X().
| int gpd_obj_site_attr | ( | geosurf * | gs, |
| geosite * | gp, | ||
| geopoint * | gpt, | ||
| Point3 | site | ||
| ) |
Substitutes gpd_obj()
| gs | surface (geosurf) |
| gp | site (geosite) |
| gpt | point (point) |
| site | point |
Definition at line 44 of file gpd.c.
References tools::color, gpd_obj(), GS_global_exag(), int, tools::size, X, y, and Y.
Referenced by gpd_2dsite(), and gpd_3dsite().
| int gs_point_in_region | ( | geosurf * | gs, |
| float * | pt, | ||
| float * | region | ||
| ) |
Check if point is in region.
Check for cancel every CHK_FREQ points
| gs | surface (geosurf) |
| pt | point (array(X,Y,Z)) |
| region | region settings (array (top,bottom,left,right)) |
Definition at line 167 of file gpd.c.
References VCOL2X, VCOLS, VROW2Y, VROWS, X, and Y.
Referenced by gpd_2dsite().