String jvxlGetVolumeHeader(int nAtoms) {
		String str = (-nAtoms) + " " + (volumetricOrigin.x / ANGSTROMS_PER_BOHR) + " "
				+ (volumetricOrigin.y / ANGSTROMS_PER_BOHR) + " " + (volumetricOrigin.z / ANGSTROMS_PER_BOHR) + "\n";
		for (int i = 0; i < 3; i++)
			str += voxelCounts[i] + " " + (volumetricVectors[i].x / ANGSTROMS_PER_BOHR) + " "
					+ (volumetricVectors[i].y / ANGSTROMS_PER_BOHR) + " "
					+ (volumetricVectors[i].z / ANGSTROMS_PER_BOHR) + "\n";
		return str;
	}