comp.lang.idl-pvwave archive: archive » Re: 24-bit color problem on Red Hat Linux 7.1

Home » Public Forums » archive » Re: 24-bit color problem on Red Hat Linux 7.1

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: 24-bit color problem on Red Hat Linux 7.1 [message #30428 is a reply to message #30427]

Wed, 24 April 2002 11:26

Amar Nayegandhi
Messages: 15
Registered: May 2001

Junior Member

Hi,
I should do some reading myself before posting a question! tvrd(true=1)
will be the answer to my question.
Sorry for the easy question...
-amar

On Wed, 24 Apr 2002, Amar Nayegandhi wrote:

> Hi,
> Thanks for your suggestion. I think I now know what the problem was. I
> have this "32-bit" Matrox G450 graphics card. Earlier, I had configured
> my X-display to 24/8bit, which I think meant that idl was working on an
> 8-bit set up while the rest of my screen was 24-bit (which might explain
> flashing colors *ONLY* when my mouse cursor was on an 'active' colorbar).
> I changed my X-display to 24-bit only, and with a startup file similar to
> the one below, I do get true colors.
>
> Further, while I got those flashing colors, I was able to dump graphics
> from a current window to a tiff file. I cannot do that now. Which is my
> follow up question:
> Is there any way in which I can write out a tiff file dumped from a
> window (using the write_tiff command) while I am in true color mode? If
> tvrd() will not work, is there any other way of doing it?
>
> thanks in advance,
> amar
>
>
> On Tue, 23 Apr 2002, Robert Stockwell wrote:
>
>>
>>
>> Amar Nayegandhi wrote:
>>
>>> Hi,
>>> I have a problem using a color table on Red Hat Linux 7.1. I have
>>> downloaded the patch available at the rsinc website to resolve the
>>> striping effect, but there is one more problem.
>>> Any image that I display (for e.g. with a plot/plots command), shows up
>>> in black and white. When I call xloadct or annotate and place my mouse on
>>> the colorbar, I get flashing colors.
>>> What do I need to do to get rid of this problem? My graphics card
>>> supports 24-bit true (direct) color.
>>> Thanks in advance,
>>> -amar
>>
>>>
>>> ****************************************************
>>> Amar Nayegandhi
>>> ****************************************************
>>>
>>>
>>
>> Do you have a device,true=24 statement in your startup?
>>
>> I start with the following:
>>
>> device,true=24
>> device,retain = 2
>> device,decomposed=0
>>
>> Are you sure you are really in 24 bit color mode?
>>
>>
>> Cheers,
>> bob
>>
>>
>>
>
> ****************************************************
> Amar Nayegandhi
> ****************************************************
>
>

****************************************************
Amar Nayegandhi
****************************************************

Report message to a moderator

[Message index]

		Re: 24-bit color problem on Red Hat Linux 7.1 By: Nigel Wade on Thu, 25 April 2002 02:01
		Re: 24-bit color problem on Red Hat Linux 7.1 By: nobody@nowhere.com (S on Wed, 24 April 2002 12:57
		Re: 24-bit color problem on Red Hat Linux 7.1 By: Rick Towler on Wed, 24 April 2002 11:40
		Re: 24-bit color problem on Red Hat Linux 7.1 By: Amar Nayegandhi on Wed, 24 April 2002 11:26
		Re: 24-bit color problem on Red Hat Linux 7.1 By: Amar Nayegandhi on Wed, 24 April 2002 11:10
		Re: 24-bit color problem on Red Hat Linux 7.1 By: Robert Stockwell on Tue, 23 April 2002 14:51
		Re: 24-bit color problem on Red Hat Linux 7.1 By: Amar Nayegandhi on Tue, 23 April 2002 14:42
		Re: 24-bit color problem on Red Hat Linux 7.1 By: Sean Dettrick on Tue, 23 April 2002 13:35

Previous Topic:	Re: not sure what to call this request
Next Topic:	signed character

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 19:21:56 PDT 2025

Total time taken to generate the page: 0.00414 seconds