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Re: writing to 2 "windows" in idl? [message #5628]

Fri, 19 January 1996 00:00

Mirko Vukovic
Messages: 124
Registered: January 1996

Senior Member

cas@revelle.cdc.noaa.gov (Cathy Smith) wrote:
>
> Hi- I'd like to write out character strings to a gif imagee and determine
> their lengths (in pixels). I can do this using xyouts and this works for
> most of what I want to do. However, now I would like to find the length
> of a character string BEFORE I write it out. I tried writing out
> in the same color as my image to get the returned length and then writing
> it out again in the color I want. This works except that I cover up some
> lines on my original plot that I don't want covered. Is there a way to
> write to a "fake" device instead?

The trick I heard from a former colleague of mine (PHP) is to write using
xyouts, way out in the left field, meaning way outside the plot, and still
use xyouts to return the string length. So if your plot window covers
coordinates (0,0) to (10,10), then xyout,-100,-100, blah...

--
Mirko Vukovic, Ph.D. mirko.vukovic@grc.varian.com
Varian Research Center Phone: (415) 424-4969
3075 Hansen Way, M/S K-109 Fax: (415) 424-6988
Palo Alto, CA 94304-1025

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[Message index]

		Re: writing to 2 "windows" in idl? By: Mirko Vukovic on Fri, 19 January 1996 00:00
		Re: writing to 2 "windows" in idl? By: jlaw on Thu, 18 January 1996 00:00
		Re: writing to 2 "windows" in idl? By: hahn on Thu, 18 January 1996 00:00
		Re: writing to 2 "windows" in idl? By: steinhh on Thu, 18 January 1996 00:00
		Re: writing to 2 "windows" in idl? By: Eric Deutsch on Thu, 18 January 1996 00:00

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