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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have built qgis 1.8 final release from source on Centos6. When I run make check, I get failures in qgis_rasterlayertest and qgis_rendererstest. These failures are the result of raster anomalies that do not match the expected raster anomalies stored in testdata. <span style='color:#1F497D'>T</span>he raster anomalies<span style='color:#1F497D'> </span> are <span style='color:#1F497D'>in many cases </span>similar too (but a bit worse than) the expected windows anomalies. The anomalies are as follows:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Continuous_result_diff.png<o:p></o:p></p><p class=MsoNormal>Graduated_result_diff.png<o:p></o:p></p><p class=MsoNormal>Landsat_875_result_diff.png<o:p></o:p></p><p class=MsoNormal>Landsat_basic_result_diff.png<o:p></o:p></p><p class=MsoNormal>Raster_pseudo_result_diff.png<o:p></o:p></p><p class=MsoNormal>Raster_result_diff.png<o:p></o:p></p><p class=MsoNormal>Single_result_diff.png<o:p></o:p></p><p class=MsoNormal>Uniquevalue_result_diff.png<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I added these raster anomalies to tests/testdata/control_images/[test case], and that did eliminate the unittest failures as a result of anomalies not matching any expected anomalies. However, my unittests still fail after the anomaly match as a result of bandStatistics<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>QDEBUG : TestQgsRasterLayer::landsatBasic875Qml() Expected size: 120w x 120h<o:p></o:p></p><p class=MsoNormal>QDEBUG : TestQgsRasterLayer::landsatBasic875Qml() Actual size: 120w x 120h<o:p></o:p></p><p class=MsoNormal>QDEBUG : TestQgsRasterLayer::landsatBasic875Qml() 9482/14400 pixels mismatched<o:p></o:p></p><p class=MsoNormal>QDEBUG : TestQgsRasterLayer::landsatBasic875Qml() "<DartMeasurement name="Mismatch Count " type="numeric/integer">9482/14400</DartMeasurement>" <o:p></o:p></p><p class=MsoNormal>QDEBUG : TestQgsRasterLayer::landsatBasic875Qml() "<DartMeasurement name="Anomoly check" type="text/text">Checking if anomaly centos_landsat875_anomaly.png (hash fd5a62c1938dbadc2652e22c587c81e5) matches /tmp//landsat_875_result_diff.png (hash fd5a62c1938dbadc2652e22c587c81e5)</DartMeasurement>" <o:p></o:p></p><p class=MsoNormal>PASS : TestQgsRasterLayer::landsatBasic875Qml()<o:p></o:p></p><p class=MsoNormal>PASS : TestQgsRasterLayer::checkDimensions()<o:p></o:p></p><p class=MsoNormal>FAIL! : TestQgsRasterLayer::checkStats() 'mpRasterLayer->bandStatistics( 1 ).mean == 4.5' returned FALSE. ()<o:p></o:p></p><p class=MsoNormal> Loc: [/pse/edv/hil/src/qgis/18release/qgis-1.8.0/tests/src/core/testqgsrasterlayer.cpp(177)]<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>When I ran qgis_rasterlayertest through gdb, this mean value was found to be 4.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Qgis is linking yum installed libpng 1.2.49.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Are the anomalies a feature of the system, and just need to be added to testdata, or are they manifestations of a bug? <o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>What can I do about the bandStatistics error? Is this going to cause bad behavior in qgis, or is only going to effect image quality?<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Might this be coming from a library dependency?<o:p></o:p></p><p class=MsoListParagraph><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>MonsterMushroom<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p></div></body></html>