| Re: Changing the Colour Table for RGB images on Linux/Solaris [message #38732 is a reply to message #38731] |
Fri, 26 March 2004 08:54   |
Philip Kershaw
Messages: 5
Registered: March 2004
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Junior Member |
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Yes, I did need to check that I'd done that. The problem persisted but it
seems I have a solution in that I actually apply the RGB stretch to the
image itself.
Thanks for your help,
Phil
"Antonio Santiago" <d6522117@est.fib.upc.es> wrote in message
news:406441FD.6010606@est.fib.upc.es...
> Maybe you forgot update your image with the new colors. As you see in
> "color_example.pro" of the master Fanning, he cautch the event
> "xcolors_load" and then does redraw the image.
>
> Bye :)
>
>
> Philip Kershaw wrote:
>> Hello,
>>
>> I'm developing a colour editor for use with an image display program for
>> Linux and Sun Solaris. I've found that when I update the colour table
for
>> an RGB image, the image display isn't updated. However, when I run the
same
>> program under Windows 2000, the image IS updated as expected.
>>
>> I'm running IDL 6.0 set with
>>
>> Device, Decomposed=0
>>
>> The display is 24-bit in each case for Windows, Linux and Solaris
platforms.
>>
>> When I alter the colour table I re-display the image using
>>
>> TV, image, True=3
>>
>> The image has dimensions (m, n, 3)
>>
>> As a test, I tried adapting one of Dave Fanning's programs (thank you
for
>> this!), "color_example.pro" to run loading the RGB image. Again, it
works
>> under Windows but not Linux or Solaris.
>>
>> Has anyone come across anything like this? Any ideas?
>>
>> With thanks,
>> Phil
>> ____________________________________________
>>
>> Philip Kershaw
>> Space Science & Technology Department
>> Rutherford Appleton Laboratory
>> UK
>> ____________________________________________
>>
>>
>>
>>
>
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