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| /*************************************************************************** | ||
| testqgsrastersublayer.cpp | ||
| -------------------------------------- | ||
| Date : Dec 2012 | ||
| Copyright : (C) 2012 by Radim Blazek | ||
| Email : radim.blazek@gmail.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 <QtTest> | ||
| #include <QObject> | ||
| #include <QString> | ||
| #include <QStringList> | ||
| #include <QObject> | ||
| #include <iostream> | ||
| #include <QApplication> | ||
| #include <QFileInfo> | ||
| #include <QDir> | ||
| #include <QPainter> | ||
| #include <QTime> | ||
| #include <QDesktopServices> | ||
|
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| #include <gdal.h> | ||
|
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| //qgis includes... | ||
| #include <qgsrasterlayer.h> | ||
| #include <qgsrasterpyramid.h> | ||
| #include <qgsrasterbandstats.h> | ||
| #include <qgsrasterpyramid.h> | ||
| #include <qgsmaplayerregistry.h> | ||
| #include <qgsapplication.h> | ||
| #include <qgsmaprenderer.h> | ||
| #include <qgsmaplayerregistry.h> | ||
| #include <qgssinglebandgrayrenderer.h> | ||
| #include <qgssinglebandpseudocolorrenderer.h> | ||
| #include <qgsvectorcolorrampv2.h> | ||
| #include <qgscptcityarchive.h> | ||
|
|
||
| //qgis unit test includes | ||
| #include <qgsrenderchecker.h> | ||
|
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| /** \ingroup UnitTests | ||
| * This is a unit test for raster sublayers | ||
| */ | ||
| class TestQgsRasterSubLayer: public QObject | ||
| { | ||
| Q_OBJECT; | ||
| private slots: | ||
| void initTestCase();// will be called before the first testfunction is executed. | ||
| void cleanupTestCase();// will be called after the last testfunction was executed. | ||
| void init() {};// will be called before each testfunction is executed. | ||
| void cleanup() {};// will be called after every testfunction. | ||
|
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| void subLayersList(); | ||
| void checkStats(); | ||
| private: | ||
| QString mTestDataDir; | ||
| QString mFileName; | ||
| QgsRasterLayer * mpRasterLayer; | ||
| QString mReport; | ||
| bool mHasNetCDF; | ||
| }; | ||
|
|
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| //runs before all tests | ||
| void TestQgsRasterSubLayer::initTestCase() | ||
| { | ||
| // init QGIS's paths - true means that all path will be inited from prefix | ||
| QgsApplication::init(); | ||
| QgsApplication::initQgis(); | ||
| // disable any PAM stuff to make sure stats are consistent | ||
| CPLSetConfigOption( "GDAL_PAM_ENABLED", "NO" ); | ||
| QString mySettings = QgsApplication::showSettings(); | ||
| mySettings = mySettings.replace( "\n", "<br />" ); | ||
| mTestDataDir = QString( TEST_DATA_DIR ) + QDir::separator(); //defined in CmakeLists.txt | ||
|
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| GDALAllRegister(); | ||
| QString format = "netCDF"; | ||
| GDALDriverH myGdalDriver = GDALGetDriverByName( format.toLocal8Bit().constData() ); | ||
| mHasNetCDF = myGdalDriver != 0; | ||
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| mFileName = mTestDataDir + "landsat2.nc"; | ||
|
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| mReport += "<h1>Raster Sub Layer Tests</h1>\n"; | ||
| //mReport += "<p>" + mySettings + "</p>"; | ||
|
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| if ( mHasNetCDF ) | ||
| { | ||
| QFileInfo myRasterFileInfo( mFileName ); | ||
| mpRasterLayer = new QgsRasterLayer( myRasterFileInfo.filePath(), | ||
| myRasterFileInfo.completeBaseName() ); | ||
| qDebug() << "raster metadata: " << mpRasterLayer->dataProvider()->metadata(); | ||
| mReport += "raster metadata: " + mpRasterLayer->dataProvider()->metadata(); | ||
|
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| } | ||
| else | ||
| { | ||
| mReport += "<p>NetCDF format is not compiled in GDAL library, cannot test sub layers.</p>"; | ||
| } | ||
| } | ||
|
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| //runs after all tests | ||
| void TestQgsRasterSubLayer::cleanupTestCase() | ||
| { | ||
| QString myReportFile = QDir::tempPath() + QDir::separator() + "qgistest.html"; | ||
| QFile myFile( myReportFile ); | ||
| if ( myFile.open( QIODevice::WriteOnly | QIODevice::Append ) ) | ||
| { | ||
| QTextStream myQTextStream( &myFile ); | ||
| myQTextStream << mReport; | ||
| myFile.close(); | ||
| } | ||
| if ( mHasNetCDF ) delete mpRasterLayer; | ||
| } | ||
|
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| void TestQgsRasterSubLayer::subLayersList() | ||
| { | ||
| if ( mHasNetCDF ) | ||
| { | ||
| mReport += "<h2>Check Sublayers List</h2>\n"; | ||
| // Layer with sublayers is not valid | ||
| //QVERIFY( mpRasterLayer->isValid() ); | ||
| QStringList expected; | ||
| expected << "NETCDF:\"" + mFileName + "\":Band1"; | ||
| expected << "NETCDF:\"" + mFileName + "\":Band2"; | ||
|
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| QStringList sublayers = mpRasterLayer->subLayers(); | ||
| mReport += QString( "sublayers:<br>%1<br>\n" ).arg( sublayers.join("<br>") ); | ||
| mReport += QString( "expected:<br>%1<br>\n" ).arg( expected.join("<br>") ); | ||
| QVERIFY( sublayers == expected ); | ||
| mReport += "<p>Passed</p>"; | ||
| } | ||
| } | ||
|
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| void TestQgsRasterSubLayer::checkStats() | ||
| { | ||
| if ( mHasNetCDF ) | ||
| { | ||
| mReport += "<h2>Check Stats</h2>\n"; | ||
| QString sublayerUri = mpRasterLayer->subLayers().value(0); | ||
| mReport += "sublayer: " + sublayerUri + "<br>\n"; | ||
|
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| QgsRasterLayer *sublayer = new QgsRasterLayer( sublayerUri, "Sublayer 1" ); | ||
|
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| QgsRasterBandStats myStatistics = sublayer->dataProvider()->bandStatistics( 1, | ||
| QgsRasterBandStats::Min | QgsRasterBandStats::Max ); | ||
| int width = 200; | ||
| int height = 200; | ||
| double min = 122; | ||
| double max = 130; | ||
| mReport += QString( "width = %1 expected = %2<br>\n" ).arg( sublayer->width() ).arg( width ); | ||
| mReport += QString( "height = %1 expected = %2<br>\n" ).arg( sublayer->height() ).arg( height ); | ||
| mReport += QString( "min = %1 expected = %2<br>\n" ).arg( myStatistics.minimumValue ).arg( min ); | ||
| mReport += QString( "max = %1 expected = %2<br>\n" ).arg( myStatistics.maximumValue ).arg( max ); | ||
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| QVERIFY( sublayer->width() == width ); | ||
| QVERIFY( sublayer->height() == height ); | ||
| QVERIFY( doubleNear ( myStatistics.minimumValue, min ) ); | ||
| QVERIFY( doubleNear ( myStatistics.maximumValue, max ) ); | ||
| mReport += "<p>Passed</p>"; | ||
| delete sublayer; | ||
| } | ||
| } | ||
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| QTEST_MAIN( TestQgsRasterSubLayer ) | ||
| #include "moc_testqgsrastersublayer.cxx" |
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