[processing] set default value for band parameters in GDAL algs (fix #20610)

Author: alexbruy

python/plugins/processing/algs/gdal/ColorRelief.py

@@ -62,6 +62,7 @@ def initAlgorithm(self, config=None):
                                                             self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterBoolean(self.COMPUTE_EDGES,
                                                         self.tr('Compute edges'),

python/plugins/processing/algs/gdal/aspect.py

@@ -59,6 +59,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterBoolean(self.TRIG_ANGLE,
                                                         self.tr('Return trigonometric angle instead of azimuth'),

python/plugins/processing/algs/gdal/contour.py

@@ -66,6 +66,7 @@ def initAlgorithm(self, config=None):
                                                             self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterNumber(self.INTERVAL,
                                                        self.tr('Interval between contour lines'),

python/plugins/processing/algs/gdal/fillnodata.py

@@ -59,6 +59,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterNumber(self.DISTANCE,
                                                        self.tr('Maximum distance (in pixels) to search out for values to interpolate'),

python/plugins/processing/algs/gdal/gdal2xyz.py

@@ -53,6 +53,7 @@ def initAlgorithm(self, config=None):
                                                             self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterBoolean(self.CSV,
                                                         self.tr('Output comma-separated values'),

python/plugins/processing/algs/gdal/hillshade.py

@@ -65,6 +65,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterNumber(self.Z_FACTOR,
                                                        self.tr('Z factor (vertical exaggeration)'),

python/plugins/processing/algs/gdal/pct2rgb.py

@@ -57,6 +57,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterBoolean(self.RGBA,
                                                         self.tr('Generate a RGBA file'),

python/plugins/processing/algs/gdal/polygonize.py

@@ -59,6 +59,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterString(self.FIELD,
                                                        self.tr('Name of the field to create'),

python/plugins/processing/algs/gdal/proximity.py

@@ -75,6 +75,7 @@ def initAlgorithm(self, config=None):
                                                             self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterString(self.VALUES,
                                                        self.tr('A list of pixel values in the source image to be considered target pixels'),

python/plugins/processing/algs/gdal/roughness.py

@@ -57,6 +57,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterBoolean(self.COMPUTE_EDGES,
                                                         self.tr('Compute edges'),

python/plugins/processing/algs/gdal/slope.py

@@ -61,6 +61,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterNumber(self.SCALE,
                                                        self.tr('Ratio of vertical units to horizontal'),

python/plugins/processing/algs/gdal/tpi.py

@@ -56,6 +56,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterBoolean(self.COMPUTE_EDGES,
                                                         self.tr('Compute edges'),

python/plugins/processing/algs/gdal/tri.py

@@ -55,6 +55,7 @@ def initAlgorithm(self, config=None):
         self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
         self.addParameter(QgsProcessingParameterBand(self.BAND,
                                                      self.tr('Band number'),
+                                                     1,
                                                      parentLayerParameterName=self.INPUT))
         self.addParameter(QgsProcessingParameterBoolean(self.COMPUTE_EDGES,
                                                         self.tr('Compute edges'),