| Re: No colors when plotting [message #8155] |
Thu, 13 February 1997 00:00 |
Tim Patterson
Messages: 65
Registered: October 1995
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Member |
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burkhard prause wrote:
>
> I run IDL on a Sun Ultra1, model 170E, Creator3D. When plotting data
> (eg. any of
> the routines described in chapter 14 of the user guide) I can only get
> black and white output. The "colors = ...." seems to have no effect. I
> can use colortables for image visualization.
>
> Does anybody have suggestions where the problem might be?
>
> Thanks,
>
> Burke
> --
Can you post a sample of the code that shows this behaviour?
What happens if you make a plot and then run Xpalette to
change the colour tables interactively. Does it still
remain in black and white or can you change the colours?
Tim
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| Re: No colors when plotting [message #8160 is a reply to message #8155] |
Thu, 13 February 1997 00:00  |
Liam Gumley
Messages: 473
Registered: November 1994
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Senior Member |
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burkhard prause wrote:
> I run IDL on a Sun Ultra1, model 170E, Creator3D. When plotting data
> (eg. any of
> the routines described in chapter 14 of the user guide) I can only get
> black and white output. The "colors = ...." seems to have no effect. I
> can use colortables for image visualization.
> Does anybody have suggestions where the problem might be?
Here's an idea:
If you are using the Common Desktop Environment (CDE), it may
be grabbing almost all of the available colors for itself.
At the bottom of your desktop, you should see a row of icons.
Select the one on the right that shows a color palette.
Then select the 'Colors', 'Number of colors' option.
Check 'More for Applications'. Then restart IDL.
Of course, it could be something else.
Cheers,
Liam.
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| Re: No colors when plotting [message #8161 is a reply to message #8155] |
Thu, 13 February 1997 00:00 |
Burkhard Prause
Messages: 6
Registered: February 1997
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Junior Member |
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David Fanning wrote:
> Sounds strange. I'd like to know how many colors IDL
> *thinks* it is using:
>
> IDL> Print, !D.N_Colors
>
> I'm going to guess that the answer is over 256. If it is,
> start up IDL and before you do anything else, type this:
>
> IDL> Device, Pseudo=8
>
> See if that helps.
>
Sorry to say that it is 256. Good suggestion, though. I thought that
that was the problem, just didn't know how to check.
Guess for the time being I'm stuck in monochrome (at least for
plotting).
Thanks,
Burke
************************************************************ ********************
BURKHARD A. PRAUSE
DEPARTMENT OF PHYSICS
UNIVERSITY OF NOTRE DAME
NOTRE DAME, IN 46556
bprause@campra.phys.nd.edu
(219) 631-4088
Fax: (219) 6315952
************************************************************ ********************
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| Re: No colors when plotting [message #8171 is a reply to message #8155] |
Wed, 12 February 1997 00:00 |
davidf
Messages: 2866
Registered: September 1996
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Senior Member |
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Burke Prause <bprause@campra.phys.nd.edu> writes:
> I run IDL on a Sun Ultra1, model 170E, Creator3D. When plotting data
> (eg. any ofthe routines described in chapter 14 of the user guide)
> I can only get black and white output. The "colors = ...." seems to have
> no effect. I can use colortables for image visualization.
>
> Does anybody have suggestions where the problem might be?
Sounds strange. I'd like to know how many colors IDL
*thinks* it is using:
IDL> Print, !D.N_Colors
I'm going to guess that the answer is over 256. If it is,
start up IDL and before you do anything else, type this:
IDL> Device, Pseudo=8
See if that helps.
Cheers!
David
-----------------------------------------------------------
David Fanning, Ph.D.
Fanning Software Consulting
2642 Bradbury Court, Fort Collins, CO 80521
Phone: 970-221-0438 Fax: 970-221-4762
E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com
-----------------------------------------------------------
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