Hi Serge,
Which version of the OSG are you using? Which OS? In 2.3.x/2.4
there was a bug fix to Optimizer that might fix the problem you are
seeing.
Also any chance of you providing an example dataset?
Robert.
On Wed, Apr 30, 2008 at 2:12 PM, S.I.M. van Keulen
<[EMAIL PROTECTED]> wrote:
> Hello All,
>
> I encountered a problem with osgUtil::Optimizer.
> The merge of two Vec3 vertex arrays fails in:
> optimizer.cpp: MergeArrayVisitor::_merge
> The problem started when I changed the construction of a Geode from
> having one Geometry to having several.
> When I do not optimize there is no problem. Rendering is just fine. Also
> no problems at shut-down and no memory leaks.
> At first I suspected a memory management bug in my code, but I just
> can't see it.
>
>
> *This is roughly what I did before the problem:
>
> *osg::Geode*
> Construct(void)
> {
> osg::Geode* l_Geode = new osg::Geode;
> osg::Geometry* l_Geometry = new osg::Geometry;
> osg::Vec3Array* l_Vertices = new osg::Vec3Array;
> l_Geometry->setVertexArray(l_Vertices);
>
> for (..)
> {
> for (..)
> {
> l_Vertices->push_back(..);
> l_Vertices->push_back(..);
> l_Vertices->push_back(..);
> l_Vertices->push_back(..);
>
> l_Geometry->addPrimitiveSet(new
> osg::DrawArrays(osg::PrimitiveSet::QUADS, l_Vertices.size()-4, 4));
> }
> }
> l_Geode->addDrawable(l_Geometry);
> return l_Geode;
> }
>
>
> *This is roughly what I do now, causing the problem:
>
> *osg::Geode*
> Construct(void)
> {
> osg::Geode* l_Geode = new osg::Geode;
> osg::Geometry* l_Geometry = NULL;
> osg::Vec3Array* l_Vertices = NULL;
>
> for (..)
> {
> l_Geometry = new osg::Geometry;
> l_Vertices = new osg::Vec3Array;
> l_Geometry->setVertexArray(l_Vertices);
>
> for (..)
> {
> l_Vertices->push_back(..);
> l_Vertices->push_back(..);
> l_Vertices->push_back(..);
> l_Vertices->push_back(..);
>
> l_Geometry->addPrimitiveSet(new
> osg::DrawArrays(osg::PrimitiveSet::QUADS, l_Vertices.size()-4, 4));
> }
>
> l_Geode->addDrawable(l_Geometry);
> }
>
> return l_Geode;
> }
>
>
> I'm fairly new to OSG, so if someone could give me a pointer. That would
> be much appreciated.
>
> Serge
>
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