POV-Ray : Newsgroups : povray.newusers : How to get a rounding between two boxes : Re: How to get a rounding between two boxes Server Time
7 Jul 2024 07:12:57 EDT (-0400)
  Re: How to get a rounding between two boxes  
From: Harry H  Arends
Date: 29 Mar 2010 15:00:49
Message: <4bb0f8e1@news.povray.org>
Thanks for the suggestions but that's to complicated for me.
I am a novice and still trying things out.
"clipka" <ano### [at] anonymousorg> schreef in bericht 
news:4ba69eaf@news.povray.org...
> gharryh schrieb:
>> For a test i am constructing a inc that contains some profiles.
>> Now i want to create a rounding between two boxes to visualize a smooth
>> transition between these two surfaces.
>
> For rounded concave edges, you'll need to add another box with square 
> cross-section in that corner, then cut away from it using "difference" 
> with a cylinder (make sure it's a bit longer than the beam, so you don't 
> get a "coincident surfaces" problem at the ends).
>
> For rounde convex edges, you'll need to subtract a box from the corner 
> (again make sure it's a bit longer than the beam), then fill it up with a 
> cylinder.
>
> As this will quickly increase the complexity of the shape, I'd suggest 
> using a prism object (with a linear spline) instead of a bunch of boxes 
> and box-cutouts, and finally just add/subtract the cylinders. Or, 
> depending on your requirements, you may even be able to get away without 
> the cylinders by just approximating the curves with a number of straight 
> line segments - in that case you only need the prism object.
>
> Alternatively, you might try taming one of the other spline-types to make 
> the whole rounded-off profile out of a single prism.


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