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Re: Associate a color to each element in a vector [message #76581 is a reply to message #76573]

Mon, 13 June 2011 10:55

le.davide
Messages: 18
Registered: November 2010

Junior Member

On Jun 12, 4:42 pm, Gray <grayliketheco...@gmail.com> wrote:
> On Jun 12, 9:25 am, "le.davide" <le.dav...@tiscali.it> wrote:
>
>> Dear all,
>> consider a scatter plot of the couple of points (x,y), where each x
>> and y is an array. Do you know if it is possible to associate a color
>> to each element according to its position in the vector?
>> ...I don't know of much this is clear.
>> Thanks in advance.
>
> Or rather, colors=scale_vector(indgen(n_elements(x)),0,255)

Thanks for the suggestion but I get the error message:
PLOT: Expression must be a scalar or 1 element array in this context:
COLORS.

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[Message index]

		Re: Associate a color to each element in a vector By: Gray on Tue, 14 June 2011 00:24
		Re: Associate a color to each element in a vector By: le.davide on Mon, 13 June 2011 10:55
		Re: Associate a color to each element in a vector By: David Fanning on Sun, 12 June 2011 14:50
		Re: Associate a color to each element in a vector By: Gray on Sun, 12 June 2011 13:42
		Re: Associate a color to each element in a vector By: Gray on Sun, 12 June 2011 13:41

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