Hi Robert,
Thanx for the feed back. I am using paged LOD database.
I will implement it and will get back to you if still find any problem;)
thanx a ton
RJ
On Mon, 2007-03-26 at 17:08 +0100, Robert Osfield wrote:
> Hi RJ,
>
> If the osga file contain paged database? Is so then you'll want to
> use osgSim::HeightAboveTerrain as it includes default support for
> reading in paged databases.
>
> Robert.
>
> On 3/26/07, RJ <[EMAIL PROTECTED]> wrote:
> > Hi All,
> > I want to find a point on the terrain(.osga) so that i can place my
> > model at that point.
> > This is what i am doing
> >
> > osg::Node* terrainNode = osgDB::readNodeFile("terrain.osga")
> >
> > osg::BoundingSphere bS = terrainNode->getInitialBound();
> > osg::Vec3 centre = bS.center();
> > float radius = bS.radius();
> >
> > osg::Vec3 v0(centre.x(),centre.y(),centre.z()+999.0);
> > osg::Vec3 v1(centre.x(),centre.y(),centre.z()-999.0);
> >
> > //get intersecton function returns the intersection point :the function
> > //is written using osgUtil::IntersectionVisitor
> > osg::Vec3 initialTankPos = getIntersectionPoint(v0,v1,terrainNode);
> >
> > The problem is i am not able to find intersection point. When i uses
> > JoeDirt.flt terrain i am able to find intersection point which means
> > that the function "getIntersectionPoint"is working fine. But when i use
> > "terrain.osga" which i have created using osgdem i am not able to find
> > any intersection point.
> >
> > can somebody tell me what is going wrong?
> >
> > best regards
> > Rahul Jain
> >
> >
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> > http://www.openscenegraph.org/
> >
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