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Feb 28, 2011  09:02 PM | Arne Hans
RGBA files
As Ziad requested, let's continue the discussion about GIFTI RGBA files here on the message board.

I have attached a sample GIFTI surface and a sample RGBA file to go with it. The PNG screenshot illustrates how the colors should look like.
The data type of the RGBA file is float, with values between 0.0 and 1.0.
Attachment: fmri-rh.zip
Mar 14, 2011  05:03 PM | John Harwell
RE: RGBA files
An unreleased version of Caret is able to read the RGBA file.  Image is attached.
Attachment: rgba.jpg