Fixed auto fill the labeling buttoms from layer function, added anoth…

…er way to compute the unique values if no xml color style is defined in the layer, among others fixes

gui/response_design_window.py

@@ -667,7 +667,7 @@ def __init__(self, buttons_config):
         self.setupUi(self)
         self.buttons_config = buttons_config if buttons_config is not None else {}
         # init with empty table
-        self.table_buttons = dict(zip(range(1, 301), [""] * 300))
+        self.table_buttons = dict(zip(range(1, 1001), [""] * 1000))
         self.create_table()
         #
         self.tableBtnsConfig.itemClicked.connect(self.table_item_clicked)
@@ -837,14 +837,20 @@ def apply_auto_fill_from_thematic_map(self):
         from AcATaMa.gui.acatama_dockwidget import AcATaMaDockWidget as AcATaMa
         # clean the table
         self.create_table()
+
         # get the symbology table; pixel values, labels and colors from thematic map
-        symbology_table = get_symbology_table(AcATaMa.dockwidget.QCBox_ThematicMap.currentLayer())
+        symbology_table = get_symbology_table(AcATaMa.dockwidget.QCBox_ThematicMap.currentLayer(),
+                                              band=int(AcATaMa.dockwidget.QCBox_band_ThematicMap.currentText()))
+        nodata_value = get_nodata_format(AcATaMa.dockwidget.nodata_ThematicMap.text())
+
         # create the buttons
-        for symbology_item in symbology_table:
+        for item_idx, symbology_item in enumerate(symbology_table):
             value, label, color = symbology_item
-            self.tableBtnsConfig.item(value, 0).setText(label)
-            self.tableBtnsConfig.item(value, 1).setBackground(color)
-            self.tableBtnsConfig.item(value, 2).setText(str(value))
+            if value == nodata_value:
+                continue
+            self.tableBtnsConfig.item(item_idx, 0).setText(label)
+            self.tableBtnsConfig.item(item_idx, 1).setBackground(color)
+            self.tableBtnsConfig.item(item_idx, 2).setText(str(value))
 
 
 FORM_CLASS, _ = uic.loadUiType(os.path.join(

utils/others_utils.py

@@ -74,6 +74,14 @@ def get_pixel_values(layer, band):
     pixel_values = []
     for item in items:
         pixel_values.append(int(item.get("value")))
+
+    # fallback to get the unique values if no xml color style is defined in the layer
+    if not pixel_values:
+        dataset = gdal_array.LoadFile(get_file_path_of_layer(layer))
+        if len(dataset.shape) == 3:
+            dataset = dataset[band - 1]
+        pixel_values = np.unique(dataset).tolist()
+
     return pixel_values
 
 

utils/qgis_utils.py

@@ -120,9 +120,14 @@ def unload_layer(layer_path):
             QgsProject.instance().removeMapLayer(layer_loaded.id())
 
 
-def get_symbology_table(raster_layer):
+def get_symbology_table(raster_layer, band):
     """Get the symbology table with pixel value, label and Qcolor of raster layer
     """
+    from AcATaMa.core.map import get_xml_style
+
+    # check if the thematic map has a valid symbology else ask to apply an automatic classification
+    get_xml_style(raster_layer, band)
+
     renderer = raster_layer.renderer()
 
     if renderer.type() == 'singlebandpseudocolor':