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Re: Using color tables in function graphics [message #94788 is a reply to message #94785]

Thu, 12 October 2017 11:26

laura.hike
Messages: 87
Registered: September 2013

Member

I like that -- thanks!

On Thursday, October 12, 2017 at 2:27:11 AM UTC-7, Markus Schmassmann wrote:
> On 10/12/2017 05:36 AM, Jim P wrote:
>> On Wednesday, October 11, 2017 at 6:05:02 PM UTC-6, laura...@gmail.com wrote:
>>> I would like to plot multiple lines on the same set of axes and I
>>> would like each line to be a different color where the colors follow a
>>> specific IDL color table (e.g., rainbow and white = 39). In direct
>>> graphics, I could use
>>>
>>> loadct, 39
>>>
>>> then specify the colors using indices from 0 to 255. I can't find
>>> any way to do this in function graphics. Most functions only allow colors to
>>> be specified by names. The only exception I can find is using the
>>> rgb_table property with "plot," but this just applies the colors to the
>>> individual points in a line. Does anyone know a way to do this?
>>
>
> p=!null
> for i=0,9 do p=plot( sin(!dpi*[0:2:.1]+i*.2), $
> overplot=p,vert_colors=25*i,rgb_table=39 )
>
> Markus

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[Message index]

		Using color tables in function graphics By: laura.hike on Wed, 11 October 2017 17:05
		Re: Using color tables in function graphics By: Jim Pendleton on Wed, 11 October 2017 20:36
		Re: Using color tables in function graphics By: Markus Schmassmann on Thu, 12 October 2017 02:27
		Re: Using color tables in function graphics By: laura.hike on Thu, 12 October 2017 11:26

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