public static void UsedVolumeLabel(float UsedVolume, float UsedVolumeFrac, string label = "Used Volume")
{
GUILayout.Label(string.Format("{0}: {1} {2:P1}", label,
Utils.formatVolume(UsedVolume), UsedVolumeFrac),
Styles.fracStyle(1 - UsedVolumeFrac), GUILayout.ExpandWidth(true));
}