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Re: Black Widgets Draw Window in d_plot2d and d_gridding [message #65545]

Tue, 10 March 2009 04:47

R.Bauer
Messages: 1424
Registered: November 1998

Senior Member

edwinretana@gmail.com schrieb:
> On Mar 8, 10:29 pm, David Fanning <n...@dfanning.com> wrote:
>> edwinret...@gmail.com writes:
>>> The program already has set RETAIN =3D 2, when WIDGET_DRAW is called.
>>> wAreaDraw =3D WIDGET_DRAW(wRightBase, XSIZE=3DdrawXSize, YSIZE=3DdrawYSize,
>>> RETAIN=3D2)
>>> PD : I am using the d_plot2d.pro program that is included in the IDL
>>> Demos.
>> Ah, I see.
>>
>> Yes, well, ITTVIS assumes you will be running a crippled
>> graphics card. Try these two commands:
>>
>> IDL> Device, Decomposed=0
>> IDL> d_plot2d
>>
>> This is really an inexcusable programming error for a demo
>> system, in my opinion. Please don't use this code as an
>> example of how IDL programs are suppose to be written. You
>> can find MUCH better IDL code elsewhere on the Internet. :-)
>>
>> Cheers,
>>
>> David
>> --
>> David Fanning, Ph.D.
>> Fanning Software Consulting, Inc.
>> Coyote's Guide to IDL Programming:http://www.dfanning.com/
>> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
>
> Thanks ! It worked.
>
> Actually my graphics card is a Nvidia 8600 GT, which is a good
> graphics card (I there are betters ) but for using 2-d idl plotting.
>
> Thanks ! Again.

Well the problem isn't really the graphic card. The problem is that an
example should not be written that way. It assumes too much user
settings and knowledge of the user so that it usually looks like you
described.

cheers
Reimar

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[Message index]

		Re: Black Widgets Draw Window in d_plot2d and d_gridding By: R.Bauer on Tue, 10 March 2009 04:47
		Re: Black Widgets Draw Window in d_plot2d and d_gridding By: edwinretana on Sun, 08 March 2009 22:38
		Re: Black Widgets Draw Window in d_plot2d and d_gridding By: David Fanning on Sun, 08 March 2009 21:29
		Re: Black Widgets Draw Window in d_plot2d and d_gridding By: edwinretana on Sun, 08 March 2009 20:36
		Re: Black Widgets Draw Window in d_plot2d and d_gridding By: David Fanning on Sun, 08 March 2009 17:07

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