I'm not entirely sure what you are going for, but if you want the labels, etc... dark you need pen 0, not pen 1 (pen 0 is the background pen, pens 1+ are for user labels and lines, etc...) try pen 0,7 then pen 0,13 Mark -- Mark Verschell NASA/Goddard Space Flight Center verschell@neptune.gsfc.nasa.gov Code 970/Lab. for Hydrospheric Proc. 301-286-2027 Fax: 301-286-1761 Greenbelt, MD 20771