[osg-users] setLODScale affecting near far planes?

Robert Osfield robert.osfield at gmail.com
Mon Sep 22 08:56:54 PDT 2008


On Mon, Sep 22, 2008 at 4:45 PM, Tomlinson, Gordon
<GTOMLINSON at overwatch.textron.com> wrote:
> Culling IS done against the near and far clip, this is standard
> operating procedure of OGL and OSG

FYI, Roland is correct, the OSG just does culling on sides of the
frustum by default.

OpenGL does no culling, is just does near and far *clipping*.   The
OSG of course doesn't change this so will do near/far clipping and the
only way to switch this off is to disable GL_DEPTH_TEST.

It would seem that Paul and Gordon have confused the clipping and
culling a little.

Robert.



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