[Scilab-users] ?==?utf-8?q? density in a graph

[P M]

something like this...only in gray?
[image: test.png]

Am Do., 23. Jan. 2020 um 19:08 Uhr schrieb Antoine Monmayrant <
amonmayr at laas.fr>:

> Hello Jean-Philippe,
>
> I think I understand what you want to do, but there is no easy way to get
> this in scilab.
> The main issue is that scilab does not support transparency.
> Otherwise, you could just plot your lines in black with 1/32 alpha (or
> 255/32 alpha if 0 means transparent and 255 solid color).
> For this kind of plot, I usually plot everything in scilab with a dummy
> color (let's say blue), export in svg, edit the svg to replace the dummy
> color by the transparent one.
>
> Antoine
>
>
> Le Jeudi, Janvier 23, 2020 16:35 CET, Jean-Philippe Grivet <
> jean-philippe.grivet at wanadoo.fr> a écrit:
>
> > Dear all,
> >
> > I am drawing a graph in a gray scale (say from 1 to 32), using lines of
> > different density. I would like that, in the region of intersection of
> > two lines, the shade of gray be the sum of the densities of each line.
> > How can I manage that ?
> >
> > Thanks in advance for any hint
> >
> > JP Grivet
> >
> >
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