//************************************************************************************************
//! Returns the image geometry object associated with this tile source or NULL if non defined.
//! The geometry contains full-to-local image transform as well as projection (image-to-world)
//************************************************************************************************
rspfRefPtr<rspfImageGeometry> rspfEnviTileSource::getImageGeometry()
{
if ( !theGeometry )
{
// Check for external geom:
theGeometry = getExternalImageGeometry();
if ( !theGeometry )
{
// Check the internal geometry first to avoid a factory call.
theGeometry = getInternalImageGeometry();
// At this point it is assured theGeometry is set.
//---
// WARNING:
// Must create/set theGeometry at this point or the next call to
// rspfImageGeometryRegistry::extendGeometry will put us in an infinite loop
// as it does a recursive call back to rspfImageHandler::getImageGeometry().
//---
// Check for set projection.
if ( theGeometry.valid()&&!theGeometry->getProjection() )
{
// Try factories for projection.
rspfImageGeometryRegistry::instance()->extendGeometry(this);
}
}
// Set image things the geometry object should know about.
initImageParameters( theGeometry.get() );
}
return theGeometry;
}
ossimRefPtr<ossimImageGeometry> ossimMrSidReader::getImageGeometry()
{
if ( !theGeometry )
{
//---
// Check for external geom:
//---
theGeometry = getExternalImageGeometry();
if ( !theGeometry )
{
//---
// Check the internal geometry first to avoid a factory call.
//---
theGeometry = getInternalImageGeometry();
// At this point it is assured theGeometry is set.
// Check for set projection.
if ( !theGeometry->getProjection() )
{
// Try factories for projection.
ossimImageGeometryRegistry::instance()->extendGeometry(this);
}
}
// Set image things the geometry object should know about.
initImageParameters( theGeometry.get() );
}
return theGeometry;
}
ossimRefPtr<ossimImageGeometry> ossimH5Reader::getImageGeometry()
{
if ( !theGeometry )
{
//---
// Check for external geom:
//---
theGeometry = getExternalImageGeometry();
if ( !theGeometry )
{
//---
// WARNING:
// Must create/set the geometry at this point or the next call to
// ossimImageGeometryRegistry::extendGeometry will put us in an infinite loop
// as it does a recursive call back to ossimImageHandler::getImageGeometry().
//---
// Check the internal geometry first to avoid a factory call.
m_mutex.lock();
theGeometry = getInternalImageGeometry();
m_mutex.unlock();
// At this point it is assured theGeometry is set.
// Check for set projection.
if ( !theGeometry->getProjection() )
{
// Try factories for projection.
ossimImageGeometryRegistry::instance()->extendGeometry(this);
}
}
// Set image things the geometry object should know about.
initImageParameters( theGeometry.get() );
}
return theGeometry;
}
