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Re: object graphics question [message #37870 is a reply to message #9709]

Wed, 04 February 2004 06:08

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Karsten Rodenacker writes:

> I have a problem with coordinated transformations of IDLgrImage and
> other objects, e.g. IDLgrContour.
>
> Does anybody know why rotating behaves like it does?
> In the small example:
>
> img=read_png( filepath('mineral.png', SUBDIR=['examples','data']))
> m=obj_new('IDLgrModel')
> m->add,obj_new('IDLgrImage',img)
> m->add,obj_new('IDLgrContour',img,color=[255,0,0])
> xobjview,m,/block
>
> rotation shows a quite bizar behaviour.
>
> I would expect that the image moves like one level of the contour object.

You will have to put your image on a polygon as
a texture map to get it to rotate. Images
have *never* rotated. I don't know why.

Cheers,

David
--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Phone: 970-221-0438, E-mail: david@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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[Message index]

		Object graphics questions and comment By: Paul van Delst on Fri, 08 August 1997 00:00
		Re: object graphics question By: btt on Wed, 04 February 2004 06:54
		Re: object graphics question By: David Fanning on Wed, 04 February 2004 06:08
		Re: Object graphics questions By: Michael Wallace on Fri, 11 March 2005 16:54

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