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Alternative to COLOR_QUAN ? GIF with more than 256 colors [message #75002]

Wed, 09 February 2011 13:21

natha
Messages: 482
Registered: October 2007

Senior Member

Hi folks,

I want to create an animated GIF from my IDLgrWindow (object graphics
IDL 7.1).
I'm reading the content of my window and then I retrieve the true
color image :

image=window->Read()
image->GetProperty, DATA=true_image

Here, true_image is a 3 x N x M array.
Before, creating the GIF file with the routine WRITE_GIF I have to
convert the true_color image to an array of index and the red, green,
blue vectors.
To do that, I use COLOR_QUAN but this routine does not accept more
than 256 colors. T_T

How could I create GIFs with more than 256 colors ?
Thank you in advance,

Bernat

PS GIFs aren’t limited to 256 colors

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