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Re: Write PNG from plots with different color tables?? [message #70016 is a reply to message #69871]

Wed, 03 March 2010 07:14

ben.bighair
Messages: 221
Registered: April 2007

Senior Member

On Mar 2, 2:30 pm, Mark Shephard <mark.w.sheph...@gmail.com> wrote:
> Hi PP,
>
> Thanks for the prompt response. I had already tried what you
> suggested. When I do so I get a very strange result. The top half is
> completely black and the bottom half has the plot repeated three times
> (still using just one of the color tables).
>
> ----------------
> | |
> | BLACK |
> | |
> ----------------
> | |
> | P1 P1 P1 |
> | |
> ----------------
>
> Any thoughts?
>
> Thanks,
> Mark
>
> On Mar 2, 2:06 pm, pp <pp.pente...@gmail.com> wrote:
>
>> On Mar 2, 3:51 pm, Mark Shephard <mark.w.sheph...@gmail.com> wrote:
>
>>> image = tvrd()
>>> write_png, file_out, image, r, g, b
>
>> Do it without color tables instead:
>
>> image=tvrd(true=1)
>> write_png,file_out,image
>
>

Hi,

What happens if you use David Fanning's handy TVREAD rather than IDL's
built-in TVRD?

http://dfanning.com/color_tips/strange_tvrd.html

Ben

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[Message index]

		Re: Write PNG from plots with different color tables?? By: penteado on Tue, 02 March 2010 16:17
		Re: Write PNG from plots with different color tables?? By: penteado on Tue, 02 March 2010 16:06
		Re: Write PNG from plots with different color tables?? By: Mark Shephard on Tue, 02 March 2010 11:30
		Re: Write PNG from plots with different color tables?? By: penteado on Tue, 02 March 2010 11:06
		Re: Write PNG from plots with different color tables?? By: ben.bighair on Wed, 03 March 2010 07:14
		Re: Write PNG from plots with different color tables?? By: jkeller on Wed, 03 March 2010 03:13

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