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Re: [Newbie]writing JPEG or GIF file with plot? [message #25139]

Tue, 22 May 2001 08:23

davidf
Messages: 2866
Registered: September 1996

Senior Member

Yopsolo (planchais@arguin.observ.u-bordeaux.fr) writes:

> I have writting a procedure which draw on the screen 2D graphics
> (withthe help of widgets and the functions PLOT, OPLOT and XYOUTS).
>
> I would know how I have to transform my procedure in order to write my
> graphic on a JPEG or GIF file without showing on screen my graphic.

You will have to draw your graphics in either a pixmap window
or in the Z graphics buffer. You can take a screen snapshot and
write the proper file by using my TVREAD procedure:

http://www.dfanning.com/programs/tvread.pro

Your code will look something like this:

thisDevice = !D.Name
Set_Plot, 'Z'
Plot, ....
OPlot, ....
XYOutS, ...
image = TVRead(/JPEG)
Set_Plot, thisDevice

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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		Re: [Newbie]writing JPEG or GIF file with plot? By: davidf on Tue, 22 May 2001 08:23
		Re: [Newbie]writing JPEG or GIF file with plot? By: Yopsolo on Wed, 23 May 2001 03:12

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