use output field param's value executing gdal_polygonize, change defa…

…ult output field name to DN (fix #5416) git-svn-id: http://sextante.googlecode.com/svn/trunk/soft/bindings/qgis-plugin@132 881b9c09-3ef8-f3c2-ec3d-21d735c97f4d
qgis · Apr 19, 2012 · 8b18892 · 8b18892
1 parent e9f0699
commit 8b18892
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/sextante/gdal/polygonize.py b/src/sextante/gdal/polygonize.py
@@ -1,4 +1,4 @@
-from PyQt4 import QtGui
+from PyQt4 import QtGui, QtCore
 from sextante.core.GeoAlgorithm import GeoAlgorithm
 from sextante.parameters.ParameterRaster import ParameterRaster
 import os
@@ -21,7 +21,7 @@ def defineCharacteristics(self):
         self.name = "polygonize"
         self.group = "Conversion"
         self.addParameter(ParameterRaster(polygonize.INPUT, "Input layer", False))
-        self.addParameter(ParameterString(polygonize.FIELD, "Output field name", "Value"))
+        self.addParameter(ParameterString(polygonize.FIELD, "Output field name", "DN"))
         self.addOutput(OutputVector(polygonize.OUTPUT, "Output layer"))
 
     def processAlgorithm(self, progress):
@@ -32,7 +32,9 @@ def processAlgorithm(self, progress):
         commands.append(self.getParameterValue(polygonize.INPUT))
         commands.append('-f')
         commands.append('"ESRI Shapefile"')
-        commands.append(self.getOutputValue(polygonize.OUTPUT))
+        output = self.getOutputValue(polygonize.OUTPUT)
+        commands.append(output)
+        commands.append(QtCore.QFileInfo(output).baseName())
         commands.append(self.getParameterValue(polygonize.FIELD))
 
         GdalUtils.runGdal(commands, progress)