[Scilab-users] {EXT} Re: Function "locate" for 3d graphs

[Stéphane Mottelet]

Of course, if points are part of a graph it is doable. But a « locate » giving raw 3D coordinates has no sense...

S.

> Le 15 juin 2018 à 09:24, Dang Ngoc Chan, Christophe <Christophe.Dang at sidel.com> a écrit :
> 
> Hello,
> 
>> De : users [mailto:users-bounces at lists.scilab.org] De la part de Stéphane Mottelet
>> Envoyé : vendredi 15 juin 2018 08:49
>> 
>> Your 3D graphics is projected on 2D. How could you get points in 3D ?
> 
> This is a common feature of the CAD softwares and I think I already saw this on some data analysis software.
> Youv'e got an injective function between the projected points on the screen and the 3D data points.
> 
> However, I don't claim it is easy to implement.
> I guess you can do this manually with the matrix used for the 2D projection
> which you can compute from the view angles.
> 
> Regards
> 
> --
> Christophe Dang Ngoc Chan
> Mechanical calculation engineer
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