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Re: How to plot the transparent shadow? [message #62928 is a reply to message #62598]

Wed, 15 October 2008 08:38

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

jdu writes:

> By the way, it seems that the method in Coyote's website cannot be
> used to create a PostScript file.
> How do I create a transparent polygon on the PostScript device.

Do the same thing, but don't draw the axes on your plot.
And when you take a snapshot of the plot don't take the
whole window, but only the portion inside the axes.

Then, send the inside/transparent image to the PostScript
file with TVIMAGE, so you can position it properly. Then
draw the plot, with no data, in your PostScript file.

Whala!

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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		How to plot the transparent shadow? By: duxiyu@gmail.com on Fri, 19 September 2008 10:38
		Re: How to plot the transparent shadow? By: duxiyu@gmail.com on Wed, 15 October 2008 14:44
		Re: How to plot the transparent shadow? By: David Fanning on Wed, 15 October 2008 08:38

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