void xyzToVoxelPt(float x, float y, float z, Point3i pt2) {
		pointVector.set(x, y, z);
		pointVector.sub(volumetricOrigin);
		ptXyzTemp.x = scaleByVoxelVector(pointVector, 0);
		ptXyzTemp.y = scaleByVoxelVector(pointVector, 1);
		ptXyzTemp.z = scaleByVoxelVector(pointVector, 2);
		pt2.set((int) ptXyzTemp.x, (int) ptXyzTemp.y, (int) ptXyzTemp.z);
	}