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Re: IDL and X and PS [message #596 is a reply to message #593]

Wed, 16 September 1992 06:49

offenberg
Messages: 5
Registered: October 1992

Junior Member

In article <1992Sep14.204750.8612@sunspot.noao.edu>, mcgraw@sunspot.sunspot.noao.edu (Robert McGraw) writes...
> I am looking for any information and/or procedures that make it
> eash to stay with the same coordinates system when going from
> set_plot,'x to/from set_plot,'ps' in IDL.
>
> For example, it seems that tv and xyouts uses a different coordinate
> system in PostScript then when in the X environment.
>
> Is there a way to make a procedure work the same when in X or PS
> without having to make a lot of changes?
>
> Thanks
> Robert
Another thing to play around with is the /NORMAL keyword (which works for
all graphics commands in IDL, such as XYOUTS). This indicates that the
coordinates you are giving are to be normalized to the image you are working
with (i.e. 0.0 0.0 is the lower left corner, 1.0 1.0 is the upper right).
It may take a bit longer to touch up what you want on screen, but it should
transfer with minimal problems to Postscript (or any other format...)

In Postscript, where there will be space below the bottom of the image, it is
possible to specify a negative y coordinate, by the way.
_______________________________________________________
Joel D. Offenberg
Hughes STX
Offenberg@stars.gsfc.nasa.gov

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[Message index]

		Re: IDL and X and PS By: knight on Wed, 16 September 1992 07:38
		Re: IDL and X and PS By: zawodny on Wed, 16 September 1992 08:59
		Re: IDL and X and PS By: offenberg on Wed, 16 September 1992 06:49
		Re: IDL and X and PS By: thompson on Tue, 15 September 1992 14:20

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