Fix for ticket #122 (projection set incorrectly for some raster

layers). The way that the raster layer sets it's srs is a bit complex
- hopefully these changes fix the problem without introducing other
problems (seems ok from the testing that I've done).


git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@5726 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: g_j_m

src/gui/qgsspatialrefsys.cpp

@@ -173,9 +173,11 @@ void QgsSpatialRefSys::validate()
       return;
     }
   }
+
   QSettings mySettings;
   QString myDefaultProjectionOption =
     mySettings.readEntry("/Projections/defaultBehaviour");
+
   if (myDefaultProjectionOption=="prompt")
   {
     //@note this class is not a descendent of QWidget so we cant pass
@@ -188,6 +190,8 @@ void QgsSpatialRefSys::validate()
     if(mySelector->exec())
     {
       createFromSrsId(mySelector->getCurrentSRSID());
+      delete mySelector;
+      return;
     }
     else
     {
@@ -200,10 +204,12 @@ void QgsSpatialRefSys::validate()
     // XXX TODO: Change project to store selected CS as 'projectSRS' not 'selectedWKT'
     mProj4String = QgsProject::instance()->readEntry("SpatialRefSys","//ProjectSRSProj4String",GEOPROJ4);
   }
-  else ///Projections/defaultBehaviour==useDefault
+  else ///Projections/defaultBehaviour==useGlobal
   {
     // XXX TODO: Change global settings to store default CS as 'defaultSRS' not 'defaultProjectionWKT'
-    mProj4String = mySettings.readEntry("/Projections/defaultSRS",GEOPROJ4);
+    int srs_id = mySettings.readNumEntry("/Projections/defaultProjectionSRSID",GEOSRS_ID);
+    createFromSrsId(srs_id);
+    return;
   }
 
   //
@@ -222,7 +228,9 @@ void QgsSpatialRefSys::validate()
     //default to proj 4..if all else fails we will use that for this srs
     mProj4String = GEOPROJ4;
   }
+
   createFromProj4(mProj4String);
+
   return;
 }
 
@@ -460,6 +468,7 @@ bool QgsSpatialRefSys::createFromSrsId (long theSrsId)
     mGeoFlag = (geo == 0 ? false : true);
     setMapUnits();
     mIsValidFlag = true;
+
   }
   else
   {

src/raster/qgsrasterlayer.cpp

@@ -88,7 +88,7 @@ wish to see edbug messages printed to stdout.
 #include <QDomElement>
 #include <QFrame>
 #include <QPixmap>
-
+#include <QSettings>
 /*
  * 
  * New includes that will convert this class to a data provider interface
@@ -690,8 +690,15 @@ QString QgsRasterLayer::getProjectionWKT()
    {
       //try to get the gcp srs from the raster layer if available
       myWKTString=QString(gdalDataset->GetGCPProjection());
+      mySRS.createFromWkt(myWKTString);
+      if (!mySRS.isValid())
+        {
+          // set to default here?
+          QSettings settings;
+          int srsid = settings.readNumEntry("Projections/defaultProjectionSRSID", 4326);
+          mySRS.createFromId(srsid, QgsSpatialRefSys::QGIS_SRSID);
+        }
     }
-    
 
    return myWKTString;
 }