void GDALPamRasterBand::PamInitialize()
{
if( psPam )
return;
GDALPamDataset *poParentDS = (GDALPamDataset *) GetDataset();
if( poParentDS == NULL || !(poParentDS->GetMOFlags() & GMO_PAM_CLASS) )
return;
poParentDS->PamInitialize();
if( poParentDS->psPam == NULL )
return;
// Often (always?) initializing our parent will have initialized us.
if( psPam != NULL )
return;
psPam = (GDALRasterBandPamInfo *)
CPLCalloc(sizeof(GDALRasterBandPamInfo),1);
psPam->dfScale = 1.0;
psPam->poParentDS = poParentDS;
psPam->dfNoDataValue = -1e10;
psPam->poDefaultRAT = NULL;
}
void GDALPamRasterBand::PamInitialize()
{
if( psPam )
return;
GDALDataset* poNonPamParentDS = GetDataset();
if( poNonPamParentDS == nullptr ||
!(poNonPamParentDS->GetMOFlags() & GMO_PAM_CLASS) )
return;
GDALPamDataset *poParentDS =
dynamic_cast<GDALPamDataset *>( poNonPamParentDS );
if( poParentDS == nullptr ) {
// Should never happen.
CPLAssert(false);
return;
}
poParentDS->PamInitialize();
if( poParentDS->psPam == nullptr )
return;
// Often (always?) initializing our parent will have initialized us.
if( psPam != nullptr )
return;
psPam = static_cast<GDALRasterBandPamInfo *>(
VSI_CALLOC_VERBOSE(sizeof(GDALRasterBandPamInfo), 1) );
if( psPam == nullptr )
return;
psPam->dfScale = 1.0;
psPam->poParentDS = poParentDS;
psPam->dfNoDataValue = -1e10;
psPam->poDefaultRAT = nullptr;
}