VolumeSize(3)

define the dimensions of a volume

Section 3 libvolpack1-dev bookworm source

Description

vpSetVolumeSize

NAME

vpSetVolumeSize - 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.