[osg-users] osgUtil::Simplifier explained

Robert Osfield robert.osfield at gmail.com
Thu Sep 20 01:23:28 PDT 2007

Hi Matt,

It uses a edge collapse technique with an error metric to determine
which edges are collapsed.  You can tune the error metric to make it
more conservative/less conservative.


On 9/19/07, Matt Franklin <mattfranklin1 at googlemail.com> wrote:
> Could someone please explain what conditions are needed for the Simplifier
> to do its job? When I use it on a range of models I can see that some
> simplification happens on the curved surfaces but there always seems to be a
> limit to how much simplification takes place. For example I have a model of
> a bridge with a nice curved arch on the underside. When I simplify the model
> some of the curved surface is simplified away. However, I can never simplify
> it further, no matter what settings I use. I would niavely expect that the
> arch could be simplified to a simple triangular shape but this never
> happens.
> Thanks in advance
> Matt
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