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qgspointcloudblockrequest.cpp
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qgspointcloudblockrequest.cpp
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/***************************************************************************
qgspointcloudblockrequest.cpp
--------------------
begin : March 2021
copyright : (C) 2021 by Belgacem Nedjima
email : belgacem dot nedjima at gmail dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgspointcloudblockrequest.h"
#include "qgstiledownloadmanager.h"
#include "qgseptdecoder.h"
//
// QgsPointCloudBlockRequest
//
///@cond PRIVATE
QgsPointCloudBlockRequest::QgsPointCloudBlockRequest( const QString &dataType, const QgsPointCloudAttributeCollection &attributes, const QgsPointCloudAttributeCollection &requestedAttributes, QgsTileDownloadManagerReply *tileDownloadManagerReply )
: mDataType( dataType ), mAttributes( attributes ), mRequestedAttributes( requestedAttributes ), mTileDownloadManagetReply( tileDownloadManagerReply )
{
connect( tileDownloadManagerReply, &QgsTileDownloadManagerReply::finished, this, &QgsPointCloudBlockRequest::blockFinishedLoading );
}
QgsPointCloudBlock *QgsPointCloudBlockRequest::block()
{
return mBlock.get();
}
QString QgsPointCloudBlockRequest::errorStr()
{
return mErrorStr;
}
void QgsPointCloudBlockRequest::blockFinishedLoading()
{
mBlock.reset( nullptr );
if ( mTileDownloadManagetReply->error() == QNetworkReply::NetworkError::NoError )
{
try
{
if ( mDataType == QLatin1String( "binary" ) )
{
mBlock.reset( QgsEptDecoder::decompressBinary( mTileDownloadManagetReply->data(), mAttributes, mRequestedAttributes ) );
}
else if ( mDataType == QLatin1String( "zstandard" ) )
{
mBlock.reset( QgsEptDecoder::decompressZStandard( mTileDownloadManagetReply->data(), mAttributes, mRequestedAttributes ) );
}
else if ( mDataType == QLatin1String( "laszip" ) )
{
mBlock.reset( QgsEptDecoder::decompressLaz( mTileDownloadManagetReply->data(), mAttributes, mRequestedAttributes ) );
}
}
catch ( std::exception e )
{
mErrorStr = QStringLiteral( "Exception while decompressing file: %1" ).arg( e.what() );
}
if ( !mBlock.get() )
mErrorStr = QStringLiteral( "unknown data type %1;" ).arg( mDataType ) + mTileDownloadManagetReply->errorString();
}
else
{
mErrorStr = mTileDownloadManagetReply->errorString();
}
emit finished();
}
///@endcond