[processing] extent is mandatory parameter for interpolation algorithms

Author: alexbruy

python/plugins/processing/algs/qgis/IdwInterpolation.py

@@ -134,7 +134,8 @@ def dataToString(data):
                                           self.tr('Cell Size Y'),
                                           0.0, 999999.000000, 0.0))
         self.addParameter(ParameterExtent(self.EXTENT,
-                                          self.tr('Extent')))
+                                          self.tr('Extent'),
+                                          optional=False))
         self.addOutput(OutputRaster(self.OUTPUT_LAYER,
                                     self.tr('Interpolated')))
 

python/plugins/processing/algs/qgis/TinInterpolation.py

@@ -143,7 +143,8 @@ def dataToString(data):
                                           self.tr('Cell size Y'),
                                           0.0, 999999.000000, 0.0))
         self.addParameter(ParameterExtent(self.EXTENT,
-                                          self.tr('Extent')))
+                                          self.tr('Extent'),
+                                          optional=False))
         self.addOutput(OutputRaster(self.OUTPUT_LAYER,
                                     self.tr('Interpolated')))
         self.addOutput(OutputVector(self.TRIANULATION_FILE,