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From: =?UTF-8?Q?J=c3=b6rg_Buchholz?= <bookwood4new@freenet.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: contour lines have points
Date: Wed, 1 Aug 2018 07:56:47 +0200
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On 31.07.2018 22:08, Ethan Merritt wrote:
> On Tue, 31 Jul 2018 09:42:04 +0200, Karl Ratzsch wrote:
> 
>> Am 31.07.2018 um 07:05 schrieb Jörg Buchholz:
>>> I would like to have points where the measuring point are, they are at
>>> the surface not at the contour lines.
>>>
>>
>> But they aren't, those are the interpolated points from dgrid3d!
>>
>> I agree it makes little sense to have points on the contour, except to
>> show the principle of how they are generated. Perhaps (and the key
>> implies that was intended, although that's probably an accident) they
>> should be omitted by default.
> 
> I can't think of any case where it makes sense to use "linespoints" for
> contours.  Can you point to an example of such a plot?

I think this is a mix-up. I like to have my data with points and contour
lines without points.

Jörg