Re: [Gnuplot-info] Surface plot with a 4th variable overlain using a color scale

[t.sefzick <t.s...@gm...>]

3D heatmaps:

http://gnuplot.sourceforge.net/demo_5.4/heatmaps.html

On Sat, Apr 17, 2021 at 08:17:31PM +0000, Reginald Beardsley via gnuplot-info wrote:
> Can gnuplot do this?  I didn't find anything relevant searching.  The system I built 5.4.1 on is currently inaccessible so I can't review the demos.
>
> As an example use case:
>
> Plot ground topography in 3D with an overlay of rainfall or snowpack to show the relationship between topography, wind direction and precipitation.
>
> There are a lot of geoscience applications for such a graphics presentation.
>
> Thanks,
> Reg