| Re: Multiple image plots in postscript [message #919 is a reply to message #918] |
Wed, 17 March 1993 08:46   |
thompson
Messages: 584
Registered: August 1991
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Senior Member |
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jdlb@kukui.ifa.hawaii.edu (J-F Pitot de La Beaujardiere) writes:
> kevin@dipl.rdd.lmsc.lockheed.com (Kevin Anderson) writes:
>> Does anybody know how to put multiple image plots on 1
>> page in postscript using pvwave CL?
>> [...]
>> The only way I have discovered to get multiple image plots
>> on the same postscript page is to use the position parameter
>> when calling tv or tvscl, but now the problem is the images
>> are again scaled to the entire size of the plot area.
> Because PostScript has scalable pixels, you must specify the xsize and
> ysize parameters, as well as the position parameter, in TV or TVSCL.
> I don't know about PV-Wave, but the following works in IDL:
> ; Display four images in a 2x2 grid
> ; Assume data(x,y,4) = array containing the 4 images
> set_plot, 'ps' ;request PostScript output
> device, ... ;modify page size, orientation, etc. as desired
> ximsize = 0.5*!d.x_size ;define output image size
> yimsize = 0.5*!d.y_size ;note: 0.5 assumes 2x2 grid
> for i=0,3 do begin ;display the 4 images, using i as position index
> tv, data(*,*,i), i, xsize=ximsize, ysize=yimsize
> endfor
> Hope this helps,
> Jeff
> % Jeff de La Beaujardiere % jdlb@mamane.ifa.hawaii.edu %
> % Institute for Astronomy % 808-956-9843 %
> % University of Hawai`i % fax 956-9402 %
This sounds like another one for the new FAQ.
Bill Thompson
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