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Merge pull request #3121 from rouault/pyramids
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Various improvements and fixes related to raster pyramids
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@rouault
rouault committed May 28, 2016
2 parents 2c1f2ce + 88c8d35 commit 4f49b8b
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Showing 9 changed files with 150 additions and 42 deletions.
19 changes: 18 additions & 1 deletion src/app/qgsrasterlayerproperties.cpp
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -183,6 +183,16 @@ QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer* lyr, QgsMapCanv
{ {
cboResamplingMethod->addItem( method.second, method.first ); cboResamplingMethod->addItem( method.second, method.first );
} }

// keep it in sync with qgsrasterpyramidsoptionwidget.cpp
QString prefix = provider->name() + "/driverOptions/_pyramids/";
QSettings mySettings;
QString defaultMethod = mySettings.value( prefix + "resampling", "AVERAGE" ).toString();
int idx = cboResamplingMethod->findData( defaultMethod );
if ( idx >= 0 )
cboResamplingMethod->setCurrentIndex( idx );


// build pyramid list // build pyramid list
QList< QgsRasterPyramid > myPyramidList = provider->buildPyramidList(); QList< QgsRasterPyramid > myPyramidList = provider->buildPyramidList();
QList< QgsRasterPyramid >::iterator myRasterPyramidIterator; QList< QgsRasterPyramid >::iterator myRasterPyramidIterator;
Expand Down Expand Up @@ -988,6 +998,13 @@ void QgsRasterLayerProperties::on_buttonBuildPyramids_clicked()
//mark to be pyramided //mark to be pyramided
myPyramidList[myCounterInt].build = myItem->isSelected() || myPyramidList[myCounterInt].exists; myPyramidList[myCounterInt].build = myItem->isSelected() || myPyramidList[myCounterInt].exists;
} }

// keep it in sync with qgsrasterpyramidsoptionwidget.cpp
QString prefix = provider->name() + "/driverOptions/_pyramids/";
QSettings mySettings;
QString resamplingMethod( cboResamplingMethod->itemData( cboResamplingMethod->currentIndex() ).toString() );
mySettings.setValue( prefix + "resampling", resamplingMethod );

// //
// Ask raster layer to build the pyramids // Ask raster layer to build the pyramids
// //
Expand All @@ -996,7 +1013,7 @@ void QgsRasterLayerProperties::on_buttonBuildPyramids_clicked()
QApplication::setOverrideCursor( Qt::WaitCursor ); QApplication::setOverrideCursor( Qt::WaitCursor );
QString res = provider->buildPyramids( QString res = provider->buildPyramids(
myPyramidList, myPyramidList,
cboResamplingMethod->itemData( cboResamplingMethod->currentIndex() ).toString(), resamplingMethod,
( QgsRaster::RasterPyramidsFormat ) cbxPyramidsFormat->currentIndex() ); ( QgsRaster::RasterPyramidsFormat ) cbxPyramidsFormat->currentIndex() );
QApplication::restoreOverrideCursor(); QApplication::restoreOverrideCursor();
mPyramidProgress->setValue( 0 ); mPyramidProgress->setValue( 0 );
Expand Down
28 changes: 22 additions & 6 deletions src/gui/qgsrasterformatsaveoptionswidget.cpp
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -31,6 +31,9 @@


QMap< QString, QStringList > QgsRasterFormatSaveOptionsWidget::mBuiltinProfiles; QMap< QString, QStringList > QgsRasterFormatSaveOptionsWidget::mBuiltinProfiles;


static const QString PYRAMID_JPEG_YCBCR_COMPRESSION( "JPEG_QUALITY_OVERVIEW=75 COMPRESS_OVERVIEW=JPEG PHOTOMETRIC_OVERVIEW=YCBCR INTERLEAVE_OVERVIEW=PIXEL" );
static const QString PYRAMID_JPEG_COMPRESSION( "JPEG_QUALITY_OVERVIEW=75 COMPRESS_OVERVIEW=JPEG INTERLEAVE_OVERVIEW=PIXEL" );

QgsRasterFormatSaveOptionsWidget::QgsRasterFormatSaveOptionsWidget( QWidget* parent, const QString& format, QgsRasterFormatSaveOptionsWidget::QgsRasterFormatSaveOptionsWidget( QWidget* parent, const QString& format,
QgsRasterFormatSaveOptionsWidget::Type type, const QString& provider ) QgsRasterFormatSaveOptionsWidget::Type type, const QString& provider )
: QWidget( parent ) : QWidget( parent )
Expand Down Expand Up @@ -81,7 +84,7 @@ QgsRasterFormatSaveOptionsWidget::QgsRasterFormatSaveOptionsWidget( QWidget* par
<< "COMPRESS_OVERVIEW=DEFLATE PREDICTOR_OVERVIEW=2 ZLEVEL=9" ); // how to set zlevel? << "COMPRESS_OVERVIEW=DEFLATE PREDICTOR_OVERVIEW=2 ZLEVEL=9" ); // how to set zlevel?
mBuiltinProfiles[ "z__pyramids_gtiff_4jpeg" ] = mBuiltinProfiles[ "z__pyramids_gtiff_4jpeg" ] =
( QStringList() << "_pyramids" << tr( "JPEG compression" ) ( QStringList() << "_pyramids" << tr( "JPEG compression" )
<< "JPEG_QUALITY_OVERVIEW=75 COMPRESS_OVERVIEW=JPEG PHOTOMETRIC_OVERVIEW=YCBCR INTERLEAVE_OVERVIEW=PIXEL" ); << PYRAMID_JPEG_YCBCR_COMPRESSION );
} }


connect( mProfileComboBox, SIGNAL( currentIndexChanged( const QString & ) ), connect( mProfileComboBox, SIGNAL( currentIndexChanged( const QString & ) ),
Expand Down Expand Up @@ -151,10 +154,15 @@ void QgsRasterFormatSaveOptionsWidget::setType( QgsRasterFormatSaveOptionsWidget
} }
} }


QString QgsRasterFormatSaveOptionsWidget::pseudoFormat() const
{
return mPyramids ? "_pyramids" : mFormat;
}

void QgsRasterFormatSaveOptionsWidget::updateProfiles() void QgsRasterFormatSaveOptionsWidget::updateProfiles()
{ {
// build profiles list = user + builtin(last) // build profiles list = user + builtin(last)
QString format = mPyramids ? "_pyramids" : mFormat; QString format = pseudoFormat();
QStringList profileKeys = profiles(); QStringList profileKeys = profiles();
QMapIterator<QString, QStringList> it( mBuiltinProfiles ); QMapIterator<QString, QStringList> it( mBuiltinProfiles );
while ( it.hasNext() ) while ( it.hasNext() )
Expand Down Expand Up @@ -209,6 +217,14 @@ void QgsRasterFormatSaveOptionsWidget::updateOptions()
QString myOptions = mOptionsMap.value( currentProfileKey() ); QString myOptions = mOptionsMap.value( currentProfileKey() );
QStringList myOptionsList = myOptions.trimmed().split( ' ', QString::SkipEmptyParts ); QStringList myOptionsList = myOptions.trimmed().split( ' ', QString::SkipEmptyParts );


// If the default JPEG compression profile was selected, remove PHOTOMETRIC_OVERVIEW=YCBCR
// if the raster is not RGB. Otherwise this is bound to fail afterwards.
if ( mRasterLayer && mRasterLayer->bandCount() != 3 &&
myOptions == PYRAMID_JPEG_YCBCR_COMPRESSION )
{
myOptions = PYRAMID_JPEG_COMPRESSION;
}

if ( mOptionsStackedWidget->currentIndex() == 0 ) if ( mOptionsStackedWidget->currentIndex() == 0 )
{ {
mOptionsTable->setRowCount( 0 ); mOptionsTable->setRowCount( 0 );
Expand Down Expand Up @@ -487,7 +503,7 @@ QString QgsRasterFormatSaveOptionsWidget::settingsKey( QString profileName ) con
profileName = "/profile_" + profileName; profileName = "/profile_" + profileName;
else else
profileName = "/profile_default" + profileName; profileName = "/profile_default" + profileName;
return mProvider + "/driverOptions/" + mFormat.toLower() + profileName + "/create"; return mProvider + "/driverOptions/" + pseudoFormat().toLower() + profileName + "/create";
} }


QString QgsRasterFormatSaveOptionsWidget::currentProfileKey() const QString QgsRasterFormatSaveOptionsWidget::currentProfileKey() const
Expand Down Expand Up @@ -523,9 +539,9 @@ void QgsRasterFormatSaveOptionsWidget::setCreateOptions()
myProfiles += i.key() + QLatin1String( " " ); myProfiles += i.key() + QLatin1String( " " );
++i; ++i;
} }
mySettings.setValue( mProvider + "/driverOptions/" + mFormat.toLower() + "/profiles", mySettings.setValue( mProvider + "/driverOptions/" + pseudoFormat().toLower() + "/profiles",
myProfiles.trimmed() ); myProfiles.trimmed() );
mySettings.setValue( mProvider + "/driverOptions/" + mFormat.toLower() + "/defaultProfile", mySettings.setValue( mProvider + "/driverOptions/" + pseudoFormat().toLower() + "/defaultProfile",
currentProfileKey().trimmed() ); currentProfileKey().trimmed() );
} }


Expand All @@ -543,7 +559,7 @@ void QgsRasterFormatSaveOptionsWidget::setCreateOptions( const QString& profileN
QStringList QgsRasterFormatSaveOptionsWidget::profiles() const QStringList QgsRasterFormatSaveOptionsWidget::profiles() const
{ {
QSettings mySettings; QSettings mySettings;
return mySettings.value( mProvider + "/driverOptions/" + mFormat.toLower() + "/profiles", "" ).toString().trimmed().split( ' ', QString::SkipEmptyParts ); return mySettings.value( mProvider + "/driverOptions/" + pseudoFormat().toLower() + "/profiles", "" ).toString().trimmed().split( ' ', QString::SkipEmptyParts );
} }


void QgsRasterFormatSaveOptionsWidget::swapOptionsUI( int newIndex ) void QgsRasterFormatSaveOptionsWidget::swapOptionsUI( int newIndex )
Expand Down
1 change: 1 addition & 0 deletions src/gui/qgsrasterformatsaveoptionswidget.h
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -104,6 +104,7 @@ class GUI_EXPORT QgsRasterFormatSaveOptionsWidget: public QWidget,
void setCreateOptions( const QString& profile, const QStringList& list ); void setCreateOptions( const QString& profile, const QStringList& list );
QStringList profiles() const; QStringList profiles() const;
bool eventFilter( QObject *obj, QEvent *event ) override; bool eventFilter( QObject *obj, QEvent *event ) override;
QString pseudoFormat() const;


}; };


Expand Down
2 changes: 2 additions & 0 deletions src/gui/qgsrasterlayersaveasdialog.cpp
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -21,6 +21,8 @@
#include "qgsrasterformatsaveoptionswidget.h" #include "qgsrasterformatsaveoptionswidget.h"
#include "qgsgenericprojectionselector.h" #include "qgsgenericprojectionselector.h"


#include "gdal.h"

#include <QFileDialog> #include <QFileDialog>
#include <QMessageBox> #include <QMessageBox>
#include <QSettings> #include <QSettings>
Expand Down
41 changes: 29 additions & 12 deletions src/gui/qgsrasterpyramidsoptionswidget.cpp
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -27,7 +27,6 @@
#include <QMenu> #include <QMenu>
#include <QCheckBox> #include <QCheckBox>



QgsRasterPyramidsOptionsWidget::QgsRasterPyramidsOptionsWidget( QWidget* parent, const QString& provider ) QgsRasterPyramidsOptionsWidget::QgsRasterPyramidsOptionsWidget( QWidget* parent, const QString& provider )
: QWidget( parent ) : QWidget( parent )
, mProvider( provider ) , mProvider( provider )
Expand All @@ -52,14 +51,14 @@ void QgsRasterPyramidsOptionsWidget::updateUi()
QString prefix = mProvider + "/driverOptions/_pyramids/"; QString prefix = mProvider + "/driverOptions/_pyramids/";
QString tmpStr; QString tmpStr;


// cbxPyramidsInternal->setChecked( mySettings.value( prefix + "internal", false ).toBool() ); // keep it in sync with qgsrasterlayerproperties.cpp
tmpStr = mySettings.value( prefix + "format", "gtiff" ).toString(); tmpStr = mySettings.value( prefix + "format", "external" ).toString();
if ( tmpStr == "internal" ) if ( tmpStr == "internal" )
cbxPyramidsFormat->setCurrentIndex( 1 ); cbxPyramidsFormat->setCurrentIndex( Format::INTERNAL );
else if ( tmpStr == "external_erdas" ) else if ( tmpStr == "external_erdas" )
cbxPyramidsFormat->setCurrentIndex( 2 ); cbxPyramidsFormat->setCurrentIndex( Format::ERDAS );
else else
cbxPyramidsFormat->setCurrentIndex( 0 ); cbxPyramidsFormat->setCurrentIndex( Format::GTIFF );


// initialize resampling methods // initialize resampling methods
cboResamplingMethod->clear(); cboResamplingMethod->clear();
Expand All @@ -68,8 +67,9 @@ void QgsRasterPyramidsOptionsWidget::updateUi()
{ {
cboResamplingMethod->addItem( method.second, method.first ); cboResamplingMethod->addItem( method.second, method.first );
} }
cboResamplingMethod->setCurrentIndex( cboResamplingMethod->findData( QString defaultMethod = mySettings.value( prefix + "resampling", "AVERAGE" ).toString();
mySettings.value( prefix + "resampling", "AVERAGE" ).toString() ) ); int idx = cboResamplingMethod->findData( defaultMethod );
cboResamplingMethod->setCurrentIndex( idx );


// validate string, only space-separated positive integers are allowed // validate string, only space-separated positive integers are allowed
lePyramidsLevels->setEnabled( cbxPyramidsLevelsCustom->isChecked() ); lePyramidsLevels->setEnabled( cbxPyramidsLevelsCustom->isChecked() );
Expand Down Expand Up @@ -126,9 +126,9 @@ void QgsRasterPyramidsOptionsWidget::apply()
QString tmpStr; QString tmpStr;


// mySettings.setValue( prefix + "internal", cbxPyramidsInternal->isChecked() ); // mySettings.setValue( prefix + "internal", cbxPyramidsInternal->isChecked() );
if ( cbxPyramidsFormat->currentIndex() == 1 ) if ( cbxPyramidsFormat->currentIndex() == Format::INTERNAL )
tmpStr = "internal"; tmpStr = "internal";
else if ( cbxPyramidsFormat->currentIndex() == 2 ) else if ( cbxPyramidsFormat->currentIndex() == Format::ERDAS )
tmpStr = "external_erdas"; tmpStr = "external_erdas";
else else
tmpStr = "external"; tmpStr = "external";
Expand Down Expand Up @@ -165,8 +165,25 @@ void QgsRasterPyramidsOptionsWidget::on_cbxPyramidsLevelsCustom_toggled( bool to


void QgsRasterPyramidsOptionsWidget::on_cbxPyramidsFormat_currentIndexChanged( int index ) void QgsRasterPyramidsOptionsWidget::on_cbxPyramidsFormat_currentIndexChanged( int index )
{ {
mSaveOptionsWidget->setEnabled( index != 2 ); mSaveOptionsWidget->setEnabled( index != Format::ERDAS );
mSaveOptionsWidget->setPyramidsFormat(( QgsRaster::RasterPyramidsFormat ) index ); QgsRaster::RasterPyramidsFormat format;
switch ( index )
{
case Format::GTIFF:
format = QgsRaster::PyramidsGTiff;
break;
case Format::INTERNAL:
format = QgsRaster::PyramidsInternal;
break;
case Format::ERDAS:
format = QgsRaster::PyramidsErdas;
break;
default:
QgsDebugMsg( "Should not happen !" );
format = QgsRaster::PyramidsGTiff;
break;
}
mSaveOptionsWidget->setPyramidsFormat( format );
} }


void QgsRasterPyramidsOptionsWidget::setOverviewList() void QgsRasterPyramidsOptionsWidget::setOverviewList()
Expand Down
9 changes: 9 additions & 0 deletions src/gui/qgsrasterpyramidsoptionswidget.h
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -63,6 +63,15 @@ class GUI_EXPORT QgsRasterPyramidsOptionsWidget: public QWidget,


private: private:


// Must be in the same order as in the .ui file
typedef enum
{
GTIFF = 0,
INTERNAL = 1,
ERDAS = 2
} Format;


QString mProvider; QString mProvider;
QList< int > mOverviewList; QList< int > mOverviewList;
QMap< int, QCheckBox* > mOverviewCheckBoxes; QMap< int, QCheckBox* > mOverviewCheckBoxes;
Expand Down
52 changes: 31 additions & 21 deletions src/providers/gdal/qgsgdalprovider.cpp
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -1598,13 +1598,20 @@ QString QgsGdalProvider::buildPyramids( const QList<QgsRasterPyramid> & theRaste
Q_FOREACH ( const QString& option, theConfigOptions ) Q_FOREACH ( const QString& option, theConfigOptions )
{ {
QStringList opt = option.split( '=' ); QStringList opt = option.split( '=' );
QByteArray key = opt[0].toLocal8Bit(); if ( opt.size() == 2 )
QByteArray value = opt[1].toLocal8Bit(); {
// save previous value QByteArray key = opt[0].toLocal8Bit();
myConfigOptionsOld[ opt[0] ] = QString( CPLGetConfigOption( key.data(), nullptr ) ); QByteArray value = opt[1].toLocal8Bit();
// set temp. value // save previous value
CPLSetConfigOption( key.data(), value.data() ); myConfigOptionsOld[ opt[0] ] = QString( CPLGetConfigOption( key.data(), nullptr ) );
QgsDebugMsg( QString( "set option %1=%2" ).arg( key.data(), value.data() ) ); // set temp. value
CPLSetConfigOption( key.data(), value.data() );
QgsDebugMsg( QString( "set option %1=%2" ).arg( key.data(), value.data() ) );
}
else
{
QgsDebugMsg( QString( "invalid pyramid option: %1" ).arg( option ) );
}
} }
} }


Expand Down Expand Up @@ -1634,7 +1641,8 @@ QString QgsGdalProvider::buildPyramids( const QList<QgsRasterPyramid> & theRaste
} }
} }
/* From : http://www.gdal.org/classGDALDataset.html#a2aa6f88b3bbc840a5696236af11dde15 /* From : http://www.gdal.org/classGDALDataset.html#a2aa6f88b3bbc840a5696236af11dde15
* pszResampling : one of "NEAREST", "GAUSS", "CUBIC", "AVERAGE", "MODE", "AVERAGE_MAGPHASE" or "NONE" controlling the downsampling method applied. * pszResampling : one of "NEAREST", "GAUSS", "CUBIC", "CUBICSPLINE" (GDAL >= 2.0),
* "LANCZOS" ( GDAL >= 2.0), "AVERAGE", "MODE" or "NONE" controlling the downsampling method applied.
* nOverviews : number of overviews to build. * nOverviews : number of overviews to build.
* panOverviewList : the list of overview decimation factors to build. * panOverviewList : the list of overview decimation factors to build.
* nListBands : number of bands to build overviews for in panBandList. Build for all bands if this is 0. * nListBands : number of bands to build overviews for in panBandList. Build for all bands if this is 0.
Expand Down Expand Up @@ -2962,7 +2970,7 @@ QString QgsGdalProvider::validateCreationOptions( const QStringList& createOptio
return message; return message;
} }


QString QgsGdalProvider::validatePyramidsCreationOptions( QgsRaster::RasterPyramidsFormat pyramidsFormat, QString QgsGdalProvider::validatePyramidsConfigOptions( QgsRaster::RasterPyramidsFormat pyramidsFormat,
const QStringList & theConfigOptions, const QString & fileFormat ) const QStringList & theConfigOptions, const QString & fileFormat )
{ {
// Erdas Imagine format does not support config options // Erdas Imagine format does not support config options
Expand All @@ -2977,21 +2985,19 @@ QString QgsGdalProvider::validatePyramidsCreationOptions( QgsRaster::RasterPyram
else if ( pyramidsFormat == QgsRaster::PyramidsInternal ) else if ( pyramidsFormat == QgsRaster::PyramidsInternal )
{ {
QStringList supportedFormats; QStringList supportedFormats;
supportedFormats << "gtiff" << "georaster" << "hfa" << "jp2kak" << "mrsid" << "nitf"; supportedFormats << "gtiff" << "georaster" << "hfa" << "gpkg" << "rasterlite" << "nitf";
if ( ! supportedFormats.contains( fileFormat.toLower() ) ) if ( ! supportedFormats.contains( fileFormat.toLower() ) )
return QString( "Internal pyramids format only supported for gtiff/georaster/hfa/jp2kak/mrsid/nitf files (using %1)" ).arg( fileFormat ); return QString( "Internal pyramids format only supported for gtiff/georaster/gpkg/rasterlite/nitf files (using %1)" ).arg( fileFormat );
// TODO - check arguments for georaster hfa jp2kak mrsid nitf
// for now, only test gtiff
else if ( fileFormat.toLower() != "gtiff" )
return QString();
} }

else
// for gtiff external or internal pyramids, validate gtiff-specific values
// PHOTOMETRIC_OVERVIEW=YCBCR requires a source raster with only 3 bands (RGB)
if ( theConfigOptions.contains( "PHOTOMETRIC_OVERVIEW=YCBCR" ) )
{ {
if ( GDALGetRasterCount( mGdalDataset ) != 3 ) // for gtiff external pyramids, validate gtiff-specific values
return "PHOTOMETRIC_OVERVIEW=YCBCR requires a source raster with only 3 bands (RGB)"; // PHOTOMETRIC_OVERVIEW=YCBCR requires a source raster with only 3 bands (RGB)
if ( theConfigOptions.contains( "PHOTOMETRIC_OVERVIEW=YCBCR" ) )
{
if ( GDALGetRasterCount( mGdalDataset ) != 3 )
return "PHOTOMETRIC_OVERVIEW=YCBCR requires a source raster with only 3 bands (RGB)";
}
} }


return QString(); return QString();
Expand Down Expand Up @@ -3022,6 +3028,10 @@ QGISEXTERN QList<QPair<QString, QString> > *pyramidResamplingMethods()
methods.append( QPair<QString, QString>( "AVERAGE", QObject::tr( "Average" ) ) ); methods.append( QPair<QString, QString>( "AVERAGE", QObject::tr( "Average" ) ) );
methods.append( QPair<QString, QString>( "GAUSS", QObject::tr( "Gauss" ) ) ); methods.append( QPair<QString, QString>( "GAUSS", QObject::tr( "Gauss" ) ) );
methods.append( QPair<QString, QString>( "CUBIC", QObject::tr( "Cubic" ) ) ); methods.append( QPair<QString, QString>( "CUBIC", QObject::tr( "Cubic" ) ) );
#if GDAL_VERSION_MAJOR >= 2
methods.append( QPair<QString, QString>( "CUBICSPLINE", QObject::tr( "Cubic Spline" ) ) );
methods.append( QPair<QString, QString>( "LANCZOS", QObject::tr( "Lanczos" ) ) );
#endif
methods.append( QPair<QString, QString>( "MODE", QObject::tr( "Mode" ) ) ); methods.append( QPair<QString, QString>( "MODE", QObject::tr( "Mode" ) ) );
methods.append( QPair<QString, QString>( "NONE", QObject::tr( "None" ) ) ); methods.append( QPair<QString, QString>( "NONE", QObject::tr( "None" ) ) );
} }
Expand Down
4 changes: 2 additions & 2 deletions src/providers/gdal/qgsgdalprovider.h
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -244,8 +244,8 @@ class QgsGdalProvider : public QgsRasterDataProvider, QgsGdalProviderBase
bool remove() override; bool remove() override;


QString validateCreationOptions( const QStringList& createOptions, const QString& format ) override; QString validateCreationOptions( const QStringList& createOptions, const QString& format ) override;
QString validatePyramidsCreationOptions( QgsRaster::RasterPyramidsFormat pyramidsFormat, QString validatePyramidsConfigOptions( QgsRaster::RasterPyramidsFormat pyramidsFormat,
const QStringList & theConfigOptions, const QString & fileFormat ); const QStringList & theConfigOptions, const QString & fileFormat ) override;


private: private:
// update mode // update mode
Expand Down
36 changes: 36 additions & 0 deletions tests/src/core/testqgsrasterlayer.cpp
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Original file line number Original file line Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
#include <QDesktopServices> #include <QDesktopServices>


#include "cpl_conv.h" #include "cpl_conv.h"
#include "gdal.h"


//qgis includes... //qgis includes...
#include <qgsrasterlayer.h> #include <qgsrasterlayer.h>
Expand Down Expand Up @@ -512,6 +513,7 @@ void TestQgsRasterLayer::buildExternalOverviews()
QString myResult = QString myResult =
mypLayer->dataProvider()->buildPyramids( myPyramidList, "NEAREST", myFormatFlag ); mypLayer->dataProvider()->buildPyramids( myPyramidList, "NEAREST", myFormatFlag );
qDebug( "%s", myResult.toLocal8Bit().constData() ); qDebug( "%s", myResult.toLocal8Bit().constData() );
QVERIFY( myResult.isEmpty() );
// //
// Lets verify we have pyramids now... // Lets verify we have pyramids now...
// //
Expand All @@ -526,8 +528,42 @@ void TestQgsRasterLayer::buildExternalOverviews()
// And that they were indeed in an external file... // And that they were indeed in an external file...
// //
QVERIFY( QFile::exists( myTempPath + "landsat.tif.ovr" ) ); QVERIFY( QFile::exists( myTempPath + "landsat.tif.ovr" ) );

//cleanup
delete mypLayer;

QFile::remove( myTempPath + "landsat.tif.ovr" );
mypLayer = new QgsRasterLayer( myRasterFileInfo.filePath(),
myRasterFileInfo.completeBaseName() );
myPyramidList = mypLayer->dataProvider()->buildPyramidList();
for ( int myCounterInt = 0; myCounterInt < myPyramidList.count(); myCounterInt++ )
{
//mark to be pyramided
myPyramidList[myCounterInt].build = true;
}

// Test with options
QStringList optionList;
optionList << "COMPRESS_OVERVIEW=DEFLATE";
optionList << "invalid";

myResult =
mypLayer->dataProvider()->buildPyramids( myPyramidList, "NEAREST", myFormatFlag, optionList );
qDebug( "%s", myResult.toLocal8Bit().constData() );
QVERIFY( myResult.isEmpty() );
QVERIFY( QFile::exists( myTempPath + "landsat.tif.ovr" ) );

//cleanup //cleanup
delete mypLayer; delete mypLayer;

// Check that the overview is Deflate compressed
QString ovrFilename( myTempPath + "landsat.tif.ovr" );
GDALDatasetH hDS = GDALOpen( ovrFilename.toLocal8Bit().constData(), GA_ReadOnly );
QVERIFY( hDS );
const char* pszCompression = GDALGetMetadataItem( hDS, "COMPRESSION", "IMAGE_STRUCTURE" );
QVERIFY( pszCompression && EQUAL( pszCompression, "DEFLATE" ) );
GDALClose( hDS );

mReport += "<h2>Check Overviews</h2>\n"; mReport += "<h2>Check Overviews</h2>\n";
mReport += "<p>Passed</p>"; mReport += "<p>Passed</p>";
} }
Expand Down

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