create vector grid in layer CRS (fix #5204)

alexbruy · alexbruy · commit c367a35ce9ae · 2012-05-22T17:52:15.000+03:00
diff --git a/python/plugins/fTools/tools/doVectorGrid.py b/python/plugins/fTools/tools/doVectorGrid.py
@@ -153,7 +153,7 @@ def accept(self):
         self.buttonOk.setEnabled( True )
 
     def compute( self, bound, xOffset, yOffset, polygon ):
-        crs = self.iface.mapCanvas().mapRenderer().destinationSrs()
+        crs = ftools_utils.getMapLayerByName(unicode(self.inShape.currentText())).crs()
         if not crs.isValid(): crs = None
         if polygon:
             fields = {0:QgsField("ID", QVariant.Int), 1:QgsField("XMIN", QVariant.Double), 2:QgsField("XMAX", QVariant.Double),
@@ -163,15 +163,13 @@ def compute( self, bound, xOffset, yOffset, polygon ):
                 if not QgsVectorFileWriter.deleteShapeFile(self.shapefileName):
                     return
             writer = QgsVectorFileWriter(self.shapefileName, self.encoding, fields, QGis.WKBPolygon, crs)
-            #writer = QgsVectorFileWriter(outPath, "CP1250", fields, QGis.WKBPolygon, None)
         else:
             fields = {0:QgsField("ID", QVariant.Int), 1:QgsField("COORD", QVariant.Double)}
             check = QFile(self.shapefileName)
             if check.exists():
                 if not QgsVectorFileWriter.deleteShapeFile(self.shapefileName):
                     return
             writer = QgsVectorFileWriter(self.shapefileName, self.encoding, fields, QGis.WKBLineString, crs)
-            #writer = QgsVectorFileWriter(unicode(outPath), "CP1250", fields, QGis.WKBLineString, None)
         outFeat = QgsFeature()
         outGeom = QgsGeometry()
         idVar = 0
@@ -279,16 +277,16 @@ def getClosestPixel(self, startVal, targetVal, step, isMin ):
             while foundVal is None:
                 if tmpVal <= targetVal:
                     if backOneStep:
-                        tmpVal -= step 
+                        tmpVal -= step
                     foundVal = tmpVal
                 tmpVal += step
         else:
             backOneStep = isMin
             while foundVal is None:
                 if tmpVal >= targetVal:
                     if backOneStep:
-                        tmpVal -= step 
+                        tmpVal -= step
                     foundVal = tmpVal
                 tmpVal += step
-        return foundVal           
+        return foundVal
 
