void xyzToVoxelPt(Point3f point, Point3f pt2) {
		pointVector.set(point);
		pointVector.sub(volumetricOrigin);
		pt2.x = scaleByVoxelVector(pointVector, 0);
		pt2.y = scaleByVoxelVector(pointVector, 1);
		pt2.z = scaleByVoxelVector(pointVector, 2);
	}