[Scilab-users] {EXT} density in a graph

[Claus Futtrup]

Hi Jean-Philippe

To me it sounds like you are trying to fill a set of polygons in Scilab, 
i.e. that what you wish to do can be done with xfpolys ...

https://help.scilab.org/docs/6.0.2/en_US/xfpolys.html

I doubt there is an automagic way to do it in Scilab. Probably it will 
require some manual labor and or thinking up some function on your own. (?)

Best regards,
Claus

On 23.01.2020 17:50, Jean-Philippe Grivet wrote:
> Le 23/01/2020 à 17:24, Dang Ngoc Chan, Christophe a écrit :
>> Hello,
>>
>>> De : Jean-Philippe Grivet
>>> Envoyé : jeudi 23 janvier 2020 16:36
>>>
>>> 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 ?
>> I'm affraid I can't figure out what you're trying to do.
>>
>> Maybe a small drawing or a small sample of data?
>>
>> Do you have lines with a linear density and try to draw a surface 
>> density or?
>>
>> -- 
>> Christophe Dang Ngoc Chan
>> Mechanical calculation engineer
>>
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>
> Sorry that I haven't been clear enough. Suppose that I want to draw a 
> figure X made up of two strips. Strip 1 (SW_NE) has gray level 3; 
> strip 2 (NW-SE) is drawn at gray level 7. The region of overlap of 
> these strips (roughly a parallelogram) should display a density of 7 
> (darker than either strip). Is that possible within Scilab ?
>
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