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Re: Transparency in object_graphics [message #64696] Tue, 13 January 2009 15:21
Michael Galloy is currently offline  Michael Galloy
Messages: 1114
Registered: April 2006
Senior Member
On Jan 13, 10:35 am, "dcl...@gmail.com" <dcl...@gmail.com> wrote:
> All,
>    Hopefully I'm missing something obvious. IDL's help pages indicate
> that its possible to get a 4-channel image using the IMAGE_DATA
> keyword to IDLgrWindow:GetProperty and IDLgrBuffer::GetProperty
> methods. Yet, whenever I try I end up with a 3-channel (RGB) image
> despite the fact that I'm successfully using transparency in the
> images I'm producing.

The help pages definitely seem to indicate this is possible, but I
can't get it to. I tried the read method too, but no luck.

Mike
--
www.michaelgalloy.com
Tech-X Corporation
Associate Research Scientist
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