use distance parameter

qgis · Nov 6, 2019 · e11e635 · e11e635
1 parent 02fbe42
commit e11e635
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/python/plugins/processing/algs/gdal/viewshed.py b/python/plugins/processing/algs/gdal/viewshed.py
@@ -32,6 +32,7 @@
                        QgsProcessingParameterBand,
                        QgsProcessingParameterPoint,
                        QgsProcessingParameterNumber,
+                       QgsProcessingParameterDistance,
                        QgsProcessingParameterString,
                        QgsProcessingParameterRasterDestination)
 from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
@@ -76,11 +77,11 @@ def initAlgorithm(self, config=None):
                                                        type=QgsProcessingParameterNumber.Double,
                                                        minValue=0.0,
                                                        defaultValue=1.0))
-        self.addParameter(QgsProcessingParameterNumber(self.MAX_DISTANCE,
-                                                       self.tr('Maximum distance from observer to compute visibility'),
-                                                       type=QgsProcessingParameterNumber.Double,
-                                                       minValue=0.0,
-                                                       defaultValue=100.0))
+        self.addParameter(QgsProcessingParameterDistance(self.MAX_DISTANCE,
+                                                         self.tr('Maximum distance from observer to compute visibility'),
+                                                         parentParameterName=self.INPUT,
+                                                         minValue=0.0,
+                                                         defaultValue=100.0))
 
         options_param = QgsProcessingParameterString(self.OPTIONS,
                                                      self.tr('Additional creation options'),