Remove QgsDatumTransformStore

and port usage over to QgsCoordinateTransformContext instead

Author: nyalldawson

doc/api_break.dox

@@ -279,6 +279,7 @@ should now call QgsCoordinateReferenceSystem::invalidateCache() and QgsCoordinat
 - QgsDataDefined was removed. Use the QgsProperty framework instead.
 - QgsDataDefinedButton was removed. Use QgsPropertyOverrideButton instead.
 - QgsDataDefinedSymbolDialog was removed. Code using this dialog should be reworked to use QgsPropertyOverrideButton
+- QgsDatumTransformStore. Use QgsCoordinateTransformContext instead.
 - QgsDefaultPluginLayerLegend was removed. Use QgsMapLayer::setLegend() to provide legend nodes for plugin layers.
 - DualEdgeTriangulation
 - QgsFileNameWidgetWrapper was removed. Use QgsExternalResourceWidgetWrapper instead.

python/core/core_auto.sip

@@ -31,7 +31,6 @@
 %Include qgsdataitemproviderregistry.sip
 %Include qgsdatasourceuri.sip
 %Include qgsdatetimestatisticalsummary.sip
-%Include qgsdatumtransformstore.sip
 %Include qgsdbfilterproxymodel.sip
 %Include qgsdefaultvalue.sip
 %Include qgsdiagramrenderer.sip

python/core/qgsdatumtransformstore.sip

@@ -304,12 +304,6 @@ Return the distance in geographical coordinates that equals to one pixel in the
  :rtype: QgsExpressionContext
 %End
 
-
-    QgsDatumTransformStore &datumTransformStore();
-%Docstring
- :rtype: QgsDatumTransformStore
-%End
-
     QgsCoordinateTransformContext transformContext() const;
 %Docstring
  Returns the coordinate transform context, which stores various

python/core/qgsmapsettings.sip

@@ -727,7 +727,7 @@ called to read map canvas settings from project
 called to write map canvas settings to project
 %End
 
-    void getDatumTransformInfo( const QgsMapLayer *ml, const QString &srcAuthId, const QString &destAuthId );
+    void getDatumTransformInfo( const QgsCoordinateReferenceSystem &source, const QgsCoordinateReferenceSystem &destination );
 %Docstring
 ask user about datum transformation
 %End

python/gui/qgsmapcanvas.sip

@@ -7019,28 +7019,15 @@ void QgisApp::saveAsVectorFileGeneral( QgsVectorLayer *vlayer, bool symbologyOpt
 
     if ( destCRS.isValid() && destCRS != vlayer->crs() )
     {
-      ct = QgsCoordinateTransform( vlayer->crs(), destCRS, QgsProject::instance() );
-
       //ask user about datum transformation
       QgsSettings settings;
       QList< QList< int > > dt = QgsCoordinateTransform::datumTransformations( vlayer->crs(), destCRS );
       if ( dt.size() > 1 && settings.value( QStringLiteral( "Projections/showDatumTransformDialog" ), false ).toBool() )
       {
-        QgsDatumTransformDialog d( vlayer->name(), dt );
-        if ( d.exec() == QDialog::Accepted )
-        {
-          QList< int > sdt = d.selectedDatumTransform();
-          if ( !sdt.isEmpty() )
-          {
-            ct.setSourceDatumTransform( sdt.at( 0 ) );
-          }
-          if ( sdt.size() > 1 )
-          {
-            ct.setDestinationDatumTransform( sdt.at( 1 ) );
-          }
-          ct.initialize();
-        }
+        QgsDatumTransformDialog d( dt );
+        d.exec();
       }
+      ct = QgsCoordinateTransform( vlayer->crs(), destCRS, QgsProject::instance() );
     }
 
     QgsRectangle filterExtent = dialog->filterExtent();

src/app/qgisapp.cpp

@@ -270,17 +270,13 @@ QgsFeatureList QgsClipboard::transformedCopyOf( const QgsCoordinateReferenceSyst
 {
   QgsFeatureList featureList = copyOf( fields );
 
-  QgsCoordinateTransform ct;
   if ( mSrcLayer )
   {
-    QgisApp::instance()->mapCanvas()->getDatumTransformInfo( mSrcLayer, crs().authid(), destCRS.authid() );
-    ct = QgisApp::instance()->mapCanvas()->mapSettings().datumTransformStore().transformation( mSrcLayer, crs().authid(), destCRS.authid() );
-  }
-  else
-  {
-    ct = QgsCoordinateTransform( crs(), destCRS, QgsProject::instance() );
+    QgisApp::instance()->mapCanvas()->getDatumTransformInfo( crs(), destCRS );
   }
 
+  QgsCoordinateTransform ct = QgsCoordinateTransform( crs(), destCRS, QgsProject::instance() );
+
   QgsDebugMsg( "transforming clipboard." );
   for ( QgsFeatureList::iterator iter = featureList.begin(); iter != featureList.end(); ++iter )
   {

src/app/qgsclipboard.cpp

@@ -162,7 +162,6 @@ SET(QGIS_CORE_SRCS
   qgsdatasourceuri.cpp
   qgsdataprovider.cpp
   qgsdatetimestatisticalsummary.cpp
-  qgsdatumtransformstore.cpp
   qgsdbfilterproxymodel.cpp
   qgsdefaultvalue.cpp
   qgsdiagramrenderer.cpp
@@ -864,7 +863,6 @@ SET(QGIS_CORE_HDRS
   qgsdataitemproviderregistry.h
   qgsdatasourceuri.h
   qgsdatetimestatisticalsummary.h
-  qgsdatumtransformstore.h
   qgsdbfilterproxymodel.h
   qgsdefaultvalue.h
   qgsdiagramrenderer.h

src/core/CMakeLists.txt

@@ -204,9 +204,6 @@ QgsMapSettings QgsComposerMap::mapSettings( const QgsRectangle &extent, QSizeF s
   jobMapSettings.setFlag( QgsMapSettings::DrawEditingInfo, false );
   jobMapSettings.setFlag( QgsMapSettings::DrawSelection, false );
   jobMapSettings.setFlag( QgsMapSettings::UseAdvancedEffects, mComposition->useAdvancedEffects() ); // respect the composition's useAdvancedEffects flag
-
-  jobMapSettings.datumTransformStore().setDestinationCrs( renderCrs );
-
   jobMapSettings.setLabelingEngineSettings( mComposition->project()->labelingEngineSettings() );
 
   return jobMapSettings;