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Re: How to pm3d plot a kind of randomized data set

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From	Karl Ratzsch <mail.kfr@gmx.net>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: How to pm3d plot a kind of randomized data set
Date	Tue, 14 Jul 2015 17:25:07 +0200
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Am 14.07.2015 um 17:02 schrieb philippbasler@googlemail.com:
> Hello,
> 
> How can I make an pm3d colour plot with x1 and x2 as axes and f for
> the colour? Additionally for some x1 and x2 f produces a value I want
> to be ignored, 1e+300. How can I make the pm3d plot ignore these?


I take it you want a coloured 2D map, not a painted airplane? ;-)

I think all you need is

	set dgrid3d	# create a regularized grid from your "data"
	set view map	# 2D projection
	splot dataf us 1:2:($3<1e299?$3:NaN) w pm3d  # z-coloured

But why don't you directly plot the function?

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Thread

How to pm3d plot a kind of randomized data set philippbasler@googlemail.com - 2015-07-14 08:02 -0700
  Re: How to pm3d plot a kind of randomized data set Karl Ratzsch <mail.kfr@gmx.net> - 2015-07-14 17:25 +0200
  Re: How to pm3d plot a kind of randomized data set philippbasler@googlemail.com - 2015-07-14 08:37 -0700
  Re: How to pm3d plot a kind of randomized data set philippbasler@googlemail.com - 2015-07-14 08:41 -0700
    Re: How to pm3d plot a kind of randomized data set Karl Ratzsch <mail.kfr@gmx.net> - 2015-07-14 18:10 +0200
  Re: How to pm3d plot a kind of randomized data set "Philipp B." <philippbasler@googlemail.com> - 2015-07-14 09:13 -0700
    Re: How to pm3d plot a kind of randomized data set Karl-Friedrich Ratzsch <mail.kfr@gmx.net> - 2015-07-15 07:08 +0200
  Re: How to pm3d plot a kind of randomized data set "Phil B." <philippbasler@googlemail.com> - 2015-07-27 03:18 -0700

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