POV-Ray

The Persistence of Vision Raytracer (POV-Ray).

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Attached to Project: POV-Ray
Opened by Mike H - 2010-06-15
Last edited by Thorsten Fröhlich - 2010-06-20

FS#132 - Native support for mesh-based surface approximations

There are various scripts around the Net meant for approximating things like isosurfaces and parametric objects using meshes. It would probably run bit faster and be easier to use if this were supported natively within Povray. The feature would require an additional object parameter in order to toggle this behavior on/off.

Closed by  Thorsten Fröhlich
Sunday, 20 June 2010, 06:16 GMT
Reason for closing:  Won't implement
Additional comments about closing:  

Can be done with macros already.

Grimbert Jérôme commented on Thursday, 17 June 2010, 10:53 GMT

Toggle the behaviour with an additional parameter, or change the kind of object by changing the object-name ?
a new object (or two: one for mesh_from_isosurface, one for mesh_from_parametric ?) at least would be clearer and would keep the freedom for the traditional objects.

(you might end up needing more than a simple parameter for generating the mesh, so separating at the object level does make sense)

Mike H commented on Sunday, 20 June 2010, 00:36 GMT

By a parameter probably. "approximate" or "mesh" or something.

e.g.

sphere
{
  0, 2
  mesh
}
Thorsten Fröhlich commented on Sunday, 20 June 2010, 06:15 GMT

This feature has no benefit because the mesh data is not useful if only kept inside POV-Ray. Turning an object into a mesh will not make it render faster unless quality is reduced by creating a very, very simple mesh. For this purpose, macros already exist.

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