Allow overwriting of existing raster datasets

qgis · Jul 19, 2012 · 7c9b2c1 · 7c9b2c1
1 parent 8ba3a59
commit 7c9b2c1
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Showing 2 changed files with 7 additions and 12 deletions.
diff --git a/src/gui/qgsrasterlayersaveasdialog.cpp b/src/gui/qgsrasterlayersaveasdialog.cpp
@@ -69,7 +69,7 @@ void QgsRasterLayerSaveAsDialog::on_mBrowseButton_clicked()
   }
   else
   {
-    fileName = QFileDialog::getOpenFileName( this, tr( "Select output file" ) );
+    fileName = QFileDialog::getSaveFileName( this, tr( "Select output file" ) );
   }
 
   if ( !fileName.isEmpty() )

diff --git a/src/providers/gdal/qgsgdalprovider.cpp b/src/providers/gdal/qgsgdalprovider.cpp
@@ -2055,11 +2055,6 @@ void QgsGdalProvider::initBaseDataset()
 bool QgsGdalProvider::create( const QString& format, int nBands, QgsRasterDataProvider::DataType type, int width, int height,
                               double* geoTransform, const QgsCoordinateReferenceSystem& crs )
 {
-  if ( isValid() ) //datasource already exists
-  {
-    return false;
-  }
-
   //get driver
   GDALDriverH driver = GDALGetDriverByName( format.toLocal8Bit().data() );
   if ( !driver )
@@ -2091,12 +2086,12 @@ bool QgsGdalProvider::create( const QString& format, int nBands, QgsRasterDataPr
 
 bool QgsGdalProvider::write( void* data, int band, int width, int height, int xOffset, int yOffset )
 {
-    GDALRasterBandH rasterBand = GDALGetRasterBand( mGdalDataset, band );
-    if ( rasterBand == NULL )
-    {
-        return false;
-    }
-    return ( GDALRasterIO( rasterBand, GF_Write, xOffset, yOffset, width, height, data, width, height, GDALGetRasterDataType( rasterBand ), 0, 0 ) == CE_None );
+  GDALRasterBandH rasterBand = GDALGetRasterBand( mGdalDataset, band );
+  if ( rasterBand == NULL )
+  {
+    return false;
+  }
+  return ( GDALRasterIO( rasterBand, GF_Write, xOffset, yOffset, width, height, data, width, height, GDALGetRasterDataType( rasterBand ), 0, 0 ) == CE_None );
 }
 
 QStringList QgsGdalProvider::createFormats() const