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Re: Rotate an image using objects

Daniel Sage (daniel.sage@epfl.ch) writes:

> We try to do geometric transformation a 2D flat image (e.g
> findgen(128,128)) including in a model.
> It works fine with the translation (mymodel->Translate) and scaling
> (mymodel->Scale) but
> it doesn't for the rotation (mymodel-> rotate). Our goal is to rotate
> the image at the center of image.
> Anyone has an idea why it doesn't work.

You will have to ask RSI why object images don't rotate,
but they don't. To rotate them, you will have to use a polygon
object and put the image into the polygon as a texture map.



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/
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