HI Steven,
Are you calling _geometry->dirtyBound() anywhere in your update code??
If not then there's your problem.
Robert.
On Thu, Apr 24, 2008 at 5:28 PM, Steven Powers <[EMAIL PROTECTED]> wrote:
>
>
> Currently I'm entering all points as 0,0,0 and update them with values
> within the render loop.
>
> Except for these:
> addPoint(PCPoint(90000, 0, 0), PCColor(0,0,0,0));
> addPoint(PCPoint(-90000, 0, 0), PCColor(0,0,0,0));
> addPoint(PCPoint(0, 90000, 0), PCColor(0,0,0,0));
> addPoint(PCPoint(0, -90000, 0), PCColor(0,0,0,0));
> addPoint(PCPoint(0, 0, 90000), PCColor(0,0,0,0));
> addPoint(PCPoint(0, 0, -90000), PCColor(0,0,0,0));
>
> Which I wont ever update with new values. I never force an update of the
> bounding box.
>
> The farthest extent of a point that I modify should be +/- 1000.
>
> Here is my code for creating the pointCloud:
>
> void PointCloud::factory()
> {
> _lastEntered = -1;
> _geometry = new osg::Geometry();
>
> _geometry->setSupportsDisplayList(false);
> _geometry->setUseDisplayList(false);
>
> _cloud3DRep = new osg::Geode();
> _points = new osg::Vec3Array();
> _colors = new osg::Vec4Array();
>
> PCPoint p(0,0,0);
> PCColor c(0,0,0,0);
>
> double px, py, pz, cr, cb, cg, ca(1.0);
> for (int i = 0; i < _maxSize; i++)
> {
> _points->push_back(p);
> _colors->push_back(c);
> }
>
> _geometry->setVertexArray(_points.get());
>
> _geometry->setColorArray(_colors.get());
>
> _geometry->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
> _geometry->addPrimitiveSet(new
> osg::DrawArrays(osg::PrimitiveSet::POINTS, 0, _maxSize));
>
> _cloud3DRep->setCullingActive(false);
> _cloud3DRep->addDrawable(_geometry.get());
> addChild(_cloud3DRep.get());
>
> osg::StateSet *set = new osg::StateSet();
>
> /// Give some size to the points to be able to see the
> sprite
> osg::Point *point = new osg::Point();
> point->setSize(2.0f);
> set->setAttribute(point);
>
> /// Disable depth test to avoid sort problems and
> Lighting
> set->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
> set->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
>
> _cloud3DRep->setStateSet(set);
>
> addPoint(PCPoint(90000, 0, 0), PCColor(0,0,0,0));
> addPoint(PCPoint(-90000, 0, 0), PCColor(0,0,0,0));
> addPoint(PCPoint(0, 90000, 0), PCColor(0,0,0,0));
> addPoint(PCPoint(0, -90000, 0), PCColor(0,0,0,0));
> addPoint(PCPoint(0, 0, 90000), PCColor(0,0,0,0));
> addPoint(PCPoint(0, 0, -90000), PCColor(0,0,0,0));
> }
>
>
> And my code for editing each point:
>
> void PointCloud::addPoint(PCPoint p, PCColor c)
> {
> //if we hit the end of the array start at the beginning
> _lastEntered++;
> if (_lastEntered >= _maxSize && _maxSize >= 0)
> _lastEntered = 0;
> (*_points.get())[_lastEntered] = p;
> (*_colors.get())[_lastEntered] = c;
>
> }
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
>
> [mailto:[EMAIL PROTECTED] On Behalf Of Gordon
> Tomlinson
> Sent: Thursday, April 24, 2008 12:15 PM
> To: 'OpenSceneGraph Users'
> Subject: Re: [osg-users] Point cloud culling/paging
>
>
> Hi
>
> Sounds like it could be a bounding sphere/box issue
>
> How are you loading and creating the point cloud ?
>
> You might possibly have one or more errant points that are out side the
> range/volume of all the other points of a geode
>
> Depending on how your loading/creating the geodes, you should check the
> bounding box/spheres against the expected
> Extents of the point cloud for the geode etc...
>
>
>
> _______________________________________________
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>
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