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Man Pages
vpSetVolumeSize(3) FreeBSD Library Functions Manual vpSetVolumeSize(3)

vpSetVolumeSize - define the dimensions of a volume

#include <volpack.h>
vpResult
vpSetVolumeSize(vpc, xlen, ylen, zlen)
vpContext *vpc;
int xlen, ylen, zlen;

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.

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.

The current volume dimensions may be retrieved with the following state variable codes (see vpGeti(3)): VP_XLEN, VP_YLEN, VP_ZLEN.

The return value is always VP_OK.

VolPack(3), vpCreateContext(3)
VolPack

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