[Scilab-users] Surface calculation

[paul.carrico at free.fr]

Hi 

I finally found how to proceed in a simpler way ... 
http://paulbourke.net/geometry/polygonmesh/ 

Many interesting thinks on these pages 

Paul 

Le 2016-12-24 10:16, Rafael Guerra a écrit : 

> Hi Paul, 
> 
> Season's Greetings. 
> 
> Could you provide one representative example of your input mesh files?
> 
> Regards, 
> 
> Rafael 
> 
> FROM: users [mailto:users-bounces at lists.scilab.org] ON BEHALF OF
> paul.carrico at free.fr
> SENT: Saturday, December 24, 2016 9:54 AM
> TO: Users mailing list for Scilab <users at lists.scilab.org>
> SUBJECT: Re: [Scilab-users] Surface calculation 
> 
> Hi 
> 
> The topic remains open (one never knows), but I think I found an
> interesting way to answer to my needs: the "ear clipping method"; then
> based on the triangles it becomes easy to calculate the surface. 
> 
> Paul 
> 
> Le 2016-12-23 23:42, paul.carrico at free.fr a écrit : 
> 
>> Hi All
>> 
>> I'm wondering how I can calculate (with accuracy) the value of any
>> closed surface composed of edges; these ones come from a mesh and
>> the
>> surface is no more than a hole.
>> 
>> In a first step I'm thinking in  Delaunay triangulation based on the
>> edges to mesh the surface (triangles), but maybe there are simpliest
>> ways (to avoid to reivent the wheel)? does somebody can advice?
>> 
>> Obviously the surface can be highly irregular, such as a daisy
>> flower
>> (to illustrate the shape).
>> 
>> Merry Christmas to all the community
>> 
>> Paul
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