[Scilab-users] {EXT} How to count pixels

[Jean-Philippe Grivet]

Hello,

I am mainly interested in obtaining the ratio (number of white 
pixels)/(number of black pixels), so that units are not of primary interest.

Le 03/06/2019 à 15:21, Stéphane Mottelet a écrit :
> Le 03/06/2019 à 14:56, Jean-Philippe Grivet a écrit :
>> My thanks to all respondants.
>>
>> The figure is in internal Scilab firmat made up of polylines., the 
>> border is a polygon.
> you did not say if you want to compute a surface in current units or 
> really compute a surface in pixels
>>
>>
>> Le 03/06/2019 à 12:47, Dang Ngoc Chan, Christophe a écrit :
>>> Hello,
>>>
>>>> De : Jean-Philippe Grivet
>>>> Envoyé : lundi 3 juin 2019 12:08
>>>>
>>>> Using Scilab (6.02/Win7), I have drawn a picure made up of thick 
>>>> lines and
>>>> arcs, within a region with irregular borders.
>>> What is the data structure of your picture?
>>> A matrix of dots?
>>> A Scilab figure containing polylines?
>>>
>>> -- 
>>> Christophe Dang Ngoc Chan
>>> Mechanical calculation engineer
>>>
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