Delete fields before segmentarization

kreis-viersen · May 21, 2024 · 5425f90 · 5425f90
1 parent 748905e
commit 5425f90
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Showing 3 changed files with 42 additions and 5 deletions.
diff --git a/metadata.txt b/metadata.txt
@@ -21,6 +21,7 @@ server=False
 hasProcessingProvider=yes
 changelog=unreleased:
     - Raster-Hilfswerkzeuge: Komprimiere erzeugte Rasterpläne mit Deflate
+    - Raster-Hilfswerkzeuge: Behebe Fehler für bestimmte Polygone
     v2.10.0:
     - Raster-Hilfswerkzeuge: Option zum Leerwert setzen
     v2.9.0:

diff --git a/xplan_umring_algorithm_clip_raster.py b/xplan_umring_algorithm_clip_raster.py
@@ -124,10 +124,28 @@ def processAlgorithm(self, parameters, context, feedback):
         if no_data:
             palett_index = 0
 
+        # Zu erhaltende Felder
+        alg_params = {
+            "FIELDS": [""],
+            "INPUT": parameters["polygon_zum_zuschneiden_vektor"],
+            "OUTPUT": QgsProcessing.TEMPORARY_OUTPUT,
+        }
+        outputs["ZuErhaltendeFelder"] = processing.run(
+            "native:retainfields",
+            alg_params,
+            context=context,
+            feedback=feedback,
+            is_child_algorithm=True,
+        )
+
+        feedback.setCurrentStep(1)
+        if feedback.isCanceled():
+            return {}
+
         # Durch maximalen Abstand segmentieren
         alg_params = {
             "DISTANCE": 0.01,
-            "INPUT": parameters["polygon_zum_zuschneiden_vektor"],
+            "INPUT": outputs["ZuErhaltendeFelder"]["OUTPUT"],
             "OUTPUT": QgsProcessing.TEMPORARY_OUTPUT,
         }
         outputs["DurchMaximalenAbstandSegmentieren"] = processing.run(
@@ -138,7 +156,7 @@ def processAlgorithm(self, parameters, context, feedback):
             is_child_algorithm=True,
         )
 
-        feedback.setCurrentStep(1)
+        feedback.setCurrentStep(2)
         if feedback.isCanceled():
             return {}
 

diff --git a/xplan_umring_algorithm_difference_raster.py b/xplan_umring_algorithm_difference_raster.py
@@ -141,11 +141,29 @@ def processAlgorithm(self, parameters, context, feedback):
         feedback.setCurrentStep(1)
         if feedback.isCanceled():
             return {}
+
+        # Zu erhaltende Felder
+        alg_params = {
+            "FIELDS": [""],
+            "INPUT": parameters["polygon_zum_abziehen"],
+            "OUTPUT": QgsProcessing.TEMPORARY_OUTPUT,
+        }
+        outputs["ZuErhaltendeFelder"] = processing.run(
+            "native:retainfields",
+            alg_params,
+            context=context,
+            feedback=feedback,
+            is_child_algorithm=True,
+        )
+
+        feedback.setCurrentStep(2)
+        if feedback.isCanceled():
+            return {}
 
         # Durch maximalen Abstand segmentieren
         alg_params = {
             "DISTANCE": 0.01,
-            "INPUT": parameters["polygon_zum_abziehen"],
+            "INPUT": outputs["ZuErhaltendeFelder"]["OUTPUT"],
             "OUTPUT": QgsProcessing.TEMPORARY_OUTPUT,
         }
         outputs["DurchMaximalenAbstandSegmentieren"] = processing.run(
@@ -156,7 +174,7 @@ def processAlgorithm(self, parameters, context, feedback):
             is_child_algorithm=True,
         )
 
-        feedback.setCurrentStep(2)
+        feedback.setCurrentStep(3)
         if feedback.isCanceled():
             return {}
 
@@ -175,7 +193,7 @@ def processAlgorithm(self, parameters, context, feedback):
             is_child_algorithm=True,
         )
 
-        feedback.setCurrentStep(3)
+        feedback.setCurrentStep(4)
         if feedback.isCanceled():
             return {}