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Multiple plots on top of each other

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  Multiple plots on top of each other csakmanae@gmail.com - 2018-04-05 11:42 -0700
    Re: Multiple plots on top of each other Ethan Merritt <sfeam@users.sf.net> - 2018-04-05 20:53 +0000

#3935 — Multiple plots on top of each other

Hi.

Helping out someone, sorry for the noob wording.

2 sets of 2D data (few 1000).

What i need is a heatmap, with a scale on the side.

Like: https://sites.google.com/site/antialamas/hv_joint_spectrum.jpg


How do I set the coloring of a given spot if there are multiple plots on top of each other?
How to set a number--for exanple after 100 identical spots let it be green, after 200 hundred red, after 300 blue?

Thanks in advance! Any question, suggestion is appreciated!

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#3936

On Thu, 05 Apr 2018 11:42:08 -0700, csakmanae wrote:

> Hi.
> 
> Helping out someone, sorry for the noob wording.
> 
> 2 sets of 2D data (few 1000).
> 
> What i need is a heatmap, with a scale on the side.
> 
> Like: https://sites.google.com/site/antialamas/hv_joint_spectrum.jpg

You may find these examples from the on-line demo set to be useful:

1) Example of generating and contouring a surface from the distribution
of non-gridded 2D data (in your case the Z coordinate of each [x,y] is the 
number of occurances)

  http://gnuplot.sourceforge.net/demo_svg_5.2/scatter.html

2) Align 2D and 3D distributions as in the URL you point to

  http://gnuplot.sourceforge.net/demo_svg_5.2/margins.html



> 
> How do I set the coloring of a given spot if there are multiple plots on
> top of each other?
> How to set a number--for exanple after 100 identical spots let it be
> green, after 200 hundred red, after 300 blue?
> 
> Thanks in advance! Any question, suggestion is appreciated!

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