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20 Nov 2024 12:46:27 EST (-0500)
  fillet? (Message 1 to 4 of 4)  
From: Sylvax
Subject: fillet?
Date: 8 Aug 2001 18:14:58
Message: <3b71b9e2@news.povray.org>
Hello,

is-it possible with Pov:

 -- to round the corners of a solidn(3D fillet)? ;
 -- to sweep a template along a path? ;
 -- to join two closed shapes to produce a solid?

Thanks


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From: Chris Huff
Subject: Re: fillet?
Date: 8 Aug 2001 19:15:43
Message: <chrishuff-E3706B.18130508082001@netplex.aussie.org>
In article <3b71b9e2@news.povray.org>,
 "Sylvax" <syl### [at] darthsylvaxcom> wrote:

>  -- to round the corners of a solidn(3D fillet)? ;

With some shapes this is fairly easy, for example using a CSG of 
spheres, cylinders, and boxes to make a rounded box. Macros have been 
written for some objects...boxes, cylinders, and cones mainly.


>  -- to sweep a template along a path? ;

Check out the prism object, it might do what you want. You can't use a 
curved path though, unless you use an external editor to create a mesh 
or code it yourself...you could write a macro that generates a mesh of 
the sweep. This would be a lot easier to do in MegaPOV using the spline 
patch, but would still require a lot of coding. And of course a mesh 
will take up more memory, and you might have to use a very high-res mesh 
to make the individual triangles invisible...you will probably spend a 
lot of time parsing.


>  -- to join two closed shapes to produce a solid?

Uh, how about "union {}"? Or "merge {}" if you want to remove interior 
surfaces.
Or were you talking about making solid shapes out of non-solid shapes, 
like bezier patches? That isn't possible, sorry. MegaPOV can use solid 
meshes, but that's it.

-- 
Christopher James Huff - chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

<><


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From: Ken
Subject: Re: fillet?
Date: 8 Aug 2001 23:20:47
Message: <3B720201.E0193DA7@pacbell.net>
Chris Huff wrote:

> >  -- to sweep a template along a path? ;
> 
> Check out the prism object, it might do what you want. You can't use a
> curved path though, unless you use an external editor to create a mesh
> or code it yourself...you could write a macro that generates a mesh of
> the sweep.

A publically available macro has been written with this in mind
http://members.nbci.com/dvarrazzo/epov.htm

-- 
Ken Tyler


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From: David Fontaine
Subject: Re: fillet?
Date: 9 Aug 2001 17:03:35
Message: <3B72F893.58FE8F5@faricy.net>
Sylvax wrote:
> 
> Hello,
> 
> is-it possible with Pov:
> 
>  -- to round the corners of a solidn(3D fillet)? ;

http://davidf.faricy.net/povre.html#macros_shape

-- 
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/


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