Re: [Gnuplot-info] Vectors with the same color as the underlying points

[Thomas S. <t.s...@fz...>]

this has been repaired in the development version of gnuplot.


Paulo E. Abreu-2 wrote:
> 
> Hello,
> I am doing a 3D plot where I have to plot some points colored by their
> z-value.
> 
> unset key
> set palette
> splot 'file1.txt' using 1:2:3 with points palette pointtype 7 pointsize
> 0.75
> 
> But I also want to plot a vector on each point with the same color as the
> previous plotted point. So I use
> 
> splot 'file1.txt' using 1:2:3 with points palette pointtype 7 pointsize
> 0.75, 'vecs.txt' using 1:2:3:4:5:6:(3) with vectors linetype palette
> 
> but I get the color of the vectors from the sixth coordinate in the
> 'vecs.txt' file which is always zero in my case and I end up with all
> black
> vectors.
> I know that I could do
> 
> splot 'file1.txt' using 1:2:3 with points palette pointtype 7 pointsize
> 0.75, 'vecs.txt' using 1:2:3:4:5:6 with vectors linetype palette cb 3
> 
> but I want to have the color determined by the third coordinate which
> gives
> the height of each point. Is that possible ? or should I convert
> everything
> to 'set arrow' commands ? How to plot the arrows with a color determined
> by
> its third coordinate ?
> 
> Thanks in advance
> 
> Paulo
> 
> -- 
> Paulo E. Abreu
> Professor Auxiliar
> Departamento de Química
> Faculdade de Ciências e Tecnologia da Universidade de Coimbra
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