Re: Gnuplot Question

[Petr M. <mi...@ph...>]

> I have a Gnuplot question that I would like to submit for you. I want to plot a data file
> using pm3d and view map. In this data file the two first column are x and y and I will call
> the third and fourth column R1 and R2 (with the relation R1+R2=1). My problem is that I
> want to attribute one different color for each column R1 and R2 and then  splot on view map
> (x,y,R1+R2).Well maybe I am not so clear...I give an example: if the first line of my data
> file is x=0,y=0,R1=0.5,R2=0.5 and I attribute yellow to R1 and blue to R2, R1+R2 will be green.
> Is it possible to draw such map ?? I hope I was clear enough...

What you mean by "summing colors"? Summing of R,G,B components?
Or do you want to overlap two surfaces -- draw surface R2 on top of R1?

I think you really want first to sum R1+R2, then give it a colour, then 
draw it. If you want to play with the color scale, use "set palette" and 
"set cbrange".

Hope this helps.

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PM