Path: csiph.com!optima2.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!us.feeder.erje.net!news2.arglkargh.de!news.mixmin.net!weretis.net!feeder1.news.weretis.net!news.solani.org!.POSTED!not-for-mail
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
Organization: solani.org
Lines: 17
Message-ID: <mo39kn$jo5$1@solani.org>
References: <418775fc-6ff0-4a3b-b6b1-ba10e1d99264@googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
X-Trace: solani.org 1436887511 20229 eJwFwYEBgDAIA7CXAGnZzhGw/59ggofOqSSYEKQgN/Ic+6RsT9TaG7O+GlmrgWx2XePd1g8lWxHE (14 Jul 2015 15:25:11 GMT)
X-Complaints-To: abuse@news.solani.org
NNTP-Posting-Date: Tue, 14 Jul 2015 15:25:11 +0000 (UTC)
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0
X-User-ID: eJwFwQERACAIA8BKIgyPOA5H/wj+w9OyTyQyMJgLqEtNadl+Hl0zPNvmvkCDtF5epPxRWx9AyhKf
In-Reply-To: <418775fc-6ff0-4a3b-b6b1-ba10e1d99264@googlegroups.com>
Cancel-Lock: sha1:+cJTb3iVWgC512ndusSV5N271x0=
X-NNTP-Posting-Host: eJwNxsEBwCAIA8CVFAjCOCnI/iPYex3Ut9cxhxsGs/WiJMim5krc9c0VK2FmsP9ZtVRHHLpOPyftEcA=
X-Enigmail-Draft-Status: N1110
Xref: csiph.com comp.graphics.apps.gnuplot:2983

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?