Hi Jian, The thick line that is used for the DARK pen in the contour command calls different graphics code from what is used to draw other lines which are controlled by settings of the /THICK qualifier. (Improved control over line thickness and color is something we hope to add to Ferret, but have not had the time to do it.) It is possible to edit the postscript output when the Ferret session that uses SET MODE META and the metafile is converted to postscript. Here is a mail message that outlines some of the ideas http://ferret.pmel.noaa.gov/Ferret/Mail_Archives/fu_2002/msg00333.html For example: yes? set mode meta yes? plot/vs/line/I=1:314/thick=3 i*cos(i/20),i*sin(i/20) yes? exit > Fprint -o thick3.ps metafile.plt edit thick3.ps, and change the line towards the end of the file, 3.000000 lw to, perhaps 6.000000 lw Jian Ma wrote:
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