Re: [Gnuplot-info] color-mapped lines on 2D plots

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

you may use the 'palette z' option.

assuming your data are in the format
x y height
the plot command would looklike this:

plot "datafilename" using 1:2:3 with lines linecolor palette z


gregsa wrote:
> 
> Hello,
> 
> I am using plot command to draw a simple area maps like this:
>  http://old.nabble.com/file/p29415470/waw-zch-map.png 
> 
> (This is actually a track of a flight from Warsaw to Zurich)
> 
> What I need, is to plot lines that would add a 3rd dimention to the plot.
> I.e. to color the orange line according to the height of a plane. Just
> like on the http://flightradar24.com
> 
> The only way I could come up with is to cut the line into sections
> according to some height ranges and plot sections separately. 
> 
> However, it would be perfect to be able to have something like pm3d but
> for lines.
> 
> Any advice? Thanks in advance.
> 
> Greg.
> 

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