vpSetVolumeSize(3)
define the dimensions of a volume
SYNOPSIS
#include <volpack.h>
vpResult
-
vpSetVolumeSize(vpc, xlen, ylen, zlen)
-
-
- vpContext *vpc;
-
-
int xlen, ylen, zlen;
ARGUMENTS
- vpc
-
VolPack context from vpCreateContext.
- xlen
-
Size of first dimension of the volume in voxels.
- ylen
-
Size of the second dimension of the volume in voxels.
- zlen
-
Size of the third dimension of the volume in voxels.
DESCRIPTION
vpSetVolumeSize is used to define the dimensions of a volume.
It must be called before volume data is loaded into a rendering
context. Any existing precomputed volume data structures in the
context are destroyed.
STATE VARIABLES
The current volume dimensions may be retrieved with the following
state variable codes (see
vpGeti(3)): VP_XLEN, VP_YLEN, VP_ZLEN.
ERRORS
The return value is always VP_OK.