/**
* Sets a spatial index that the layer should expose to support spatial
* queries against this layer. You can set the spatial index to NULL but
* this will slow down spatial search operations (a lot).
*
* @param index
* Spatial index to use
*/
public void setSpatialIndex(SpatialIndex _index)
{
index = _index;
if (index == null && store != null)
{
index = new SimpleSpatialIndex(store);
}
}
/**
* Tells the feature layer to build or load its spatial index immediately.
* Usually the feature layer will do so when needed; this way you can
* directly exactly when the potentially long operation will occur.
*
* @return True if the index load/build succeeded, false if it failed.
*/
public bool assertSpatialIndex()
{
if (store != null && index == null)
{
//ScopedLock<ReentrantMutex> lock( osgGIS::Registry::instance()->getGlobalMutex() );
//TODO osgGIS::notice() << "Initializing spatial index..." << std::flush;
index = new RTreeSpatialIndex(store);
//if ( index != null )
// osgGIS::notice() << "OK." << std::endl;
//else
// osgGIS::warn() << "ERROR, failed to load/build index!" << std::endl;
}
return (index != null);
}
/**
* Sets a spatial index that the layer should expose to support spatial
* queries against this layer. You can set the spatial index to NULL but
* this will slow down spatial search operations (a lot).
*
* @param index
* Spatial index to use
*/
public void setSpatialIndex(SpatialIndex _index)
{
index = _index;
if (index == null && store != null)
{
index = new SimpleSpatialIndex(store);
}
}