[processing] adapt algorithms to use new band parameter

Author: alexbruy

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

@@ -30,7 +30,7 @@
 from qgis.core import (QgsRectangle,
                        QgsRasterBandStats,
                        QgsProcessingParameterRasterLayer,
-                       QgsProcessingParameterNumber,
+                       QgsProcessingParameterBand,
                        QgsProcessingParameterFileDestination,
                        QgsProcessingOutputHtml,
                        QgsProcessingOutputNumber)
@@ -60,10 +60,10 @@ def __init__(self):
     def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT,
                                                             self.tr('Input layer')))
-        self.addParameter(QgsProcessingParameterNumber(self.BAND,
-                                                       self.tr('Band number'),
-                                                       QgsProcessingParameterNumber.Integer,
-                                                       1, False, 1, 999))
+        self.addParameter(QgsProcessingParameterBand(self.BAND,
+                                                     self.tr('Band number'),
+                                                     1,
+                                                     self.INPUT))
         self.addParameter(QgsProcessingParameterFileDestination(self.OUTPUT_HTML_FILE, self.tr('Statistics'), self.tr('HTML files (*.html)'), None, True))
         self.addOutput(QgsProcessingOutputHtml(self.OUTPUT_HTML_FILE, self.tr('Statistics')))
 

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

@@ -35,7 +35,7 @@
                        QgsProcessingParameterVectorLayer,
                        QgsProcessingParameterRasterLayer,
                        QgsProcessingParameterString,
-                       QgsProcessingParameterNumber,
+                       QgsProcessingParameterBand,
                        QgsProcessingParameterEnum,
                        QgsProcessingOutputVectorLayer)
 
@@ -78,9 +78,10 @@ def initAlgorithm(self, config=None):
 
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT_RASTER,
                                                             self.tr('Raster layer')))
-        self.addParameter(QgsProcessingParameterNumber(self.RASTER_BAND,
-                                                       self.tr('Raster band'),
-                                                       minValue=1, maxValue=999, defaultValue=1))
+        self.addParameter(QgsProcessingParameterBand(self.RASTER_BAND,
+                                                     self.tr('Raster band'),
+                                                     1,
+                                                     self.INPUT_RASTER))
         self.addParameter(QgsProcessingParameterVectorLayer(self.INPUT_VECTOR,
                                                             self.tr('Vector layer containing zones'),
                                                             [QgsProcessing.TypeVectorPolygon]))