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-rw-r--r--applications/rview/cube_render_mesh.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/applications/rview/cube_render_mesh.c b/applications/rview/cube_render_mesh.c
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+++ b/applications/rview/cube_render_mesh.c
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+/*
+* 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++;
+ }
+ }
+}