POV-Ray : Newsgroups : povray.newusers : Very big time difference of a render : Re: Very big time difference of a render Server Time
19 May 2024 13:23:44 EDT (-0400)
  Re: Very big time difference of a render  
From: LanuHum
Date: 29 Jun 2013 00:45:05
Message: <web.51ce652691e1715f7a3e03fe0@news.povray.org>
Alain <kua### [at] videotronca> wrote:

>
> The inside_vctor is a tool that enable a mesh object to be used as a
> solid primitive. Otherwise, it's just a shell that can't be used in a
> difference or intersection.
>
> It can be added to any mesh. Just add:
> inside_vector<1,0,0>
> AFTER all other components of the mesh and before any other modifier and
> transform.
> The exact direction of the inside_vector is not crutial as long as it's
> not parallel with a face.
>
> A difference of a box and a mesh normaly return the box with an
> invisible thickness less cut. With a mesh with an inside_vector, the
> mesh can actualy remove parts of the other object.
>
> A difference of a mesh without an inside_vector only return the surface
> of the mesh inside the other object. With inside_vector, you get some
> actual volume.
>
> It have nothing to do with the normals.
>
> It's only an added attribute for the mesh.
> If I remember correctly, it was introduced in the earlyest RC releases,
> or one of the last beta.
>
> Sample:
> mesh{ Body_Of_The_Mesh
>   material{Some_Material}
>   inside_vector<1,0,0>
>   transform Transform
> }


Thanks!


>
> The main difference is that a mesh can, with time and patience, be
> codded by hand, while a mesh2 is best suited for an automated process by
> a programm.
>

Understand


> 2.4.2.3.1 Solid Mesh DON'T apply to version 3.6.1.

I am not going to use version 3.6.1.

Alain, thank you!




LanuHum


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