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Diffstat (limited to 'applications/rview/cube_render_mesh.c')
-rw-r--r-- | applications/rview/cube_render_mesh.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/applications/rview/cube_render_mesh.c b/applications/rview/cube_render_mesh.c new file mode 100644 index 0000000..bebaab6 --- /dev/null +++ b/applications/rview/cube_render_mesh.c @@ -0,0 +1,48 @@ +/* +* This file is part of rasdaman community. +* +* Rasdaman community is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* Rasdaman community is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>. +* +* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / +rasdaman GmbH. +* +* For more information please see <http://www.rasdaman.org> +* or contact Peter Baumann via <baumann@rasdaman.com>. +/ + +/** + * COMMENTS: + * This is called from within cube_render.c to create a vertex mesh + * out of the source data when rendering height fields. + */ + +static void RENDER_MESH_NAME(vertex_fp *vert, const uint8 *src, int srcIncX, int srcIncZ, int dimx, int dimz, real_t scaleGrid, real_t scaleHeight) +{ + union {uint8 *c; uint16 *s; uint32 *l; float *f; double *d;} srcLine, srcPtr; + real_t gridx, gridz; + real_t posx, posz; + int i, j; + vertex_fp *vp; + + gridx = scaleGrid; gridz = scaleGrid; srcLine.c = (uint8*)src; vp = vert; + for (i=0, posx=0.0; i<dimx; i++, posx += gridx, srcLine.c += srcIncX) + { + srcPtr.c = srcLine.c; + for (j=0, posz=0.0; j<dimz; j++, posz += gridz, srcPtr.c += srcIncZ) + { + vp->x = posx; vp->y = (real_t)(*srcPtr.RENDER_MESH_TYPE)*scaleHeight; vp->z = posz; + vp++; + } + } +} |