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Re: Color behavior when using TEXTURE MAP [message #42319]

Wed, 02 February 2005 01:18

Jesus Dominguez
Messages: 2
Registered: February 2005

Junior Member

Thanks for your answer Robert. It helped understand more. My problem,
anyway, is that i want the image to be the background.

In your example code create a smaller image and add the following line:
themodel->add,oimage ;before adding r and s to the model

You will see that now 0 is no longer opaque, but transparent to the
background.

What i want to achieve is a polygon that is opaque with 0 and
transparent to the background with 255, just like using the keyword
ALPHA_CHANNEL in IDL 6.1. Any comment will be apreciated!
Best regards,
Jesus

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