Hi ralf
Try casting the node to an osgTerrain::TerrainTile. If the cast works
you'll be able to grab the elevation layer and cast it to a
heightfieldlayer and grab the hf
Jason
Sent from my iPhone
On Apr 2, 2009, at 8:05 AM, Ralf Stokholm <[email protected]>
wrote:
Hi List
Im trying to get the heightfiled data from a VPB terrain using
ReadFileCallback.
I use the code from readfile callback like this.
class MyReadFileCallback : public osgDB::Registry::ReadFileCallback
{
public:
virtual osgDB::ReaderWriter::ReadResult readNode(const
std::string& fileName, const osgDB::ReaderWriter::Options* options)
{
// note when calling the Registry to do the read you have to
call readNodeImplementation NOT readNode, as this will
// cause on infinite recusive loop.
osgDB::ReaderWriter::ReadResult result =
osgDB::Registry::instance()->readNodeImplementation(fileName,options);
if (result.validHeightField())
{
LOG_ERROR("Found a valid HeightField");
}
return result;
}
};
The idea was simply to see if I had the heightfield available, but
even though I have verified that it gets called it is never a valid
heightfield.
This is on a terrain build using VPB with the --TERRAIN option.
Shouldent I be able to get the heightfieldnodes?
Brgs.
Ralf Stokholm
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