[processing] Fix create constant raster layer modifies pixel size

Fixes #18446
qgis · Jun 5, 2018 · 8c689b2 · 8c689b2
1 parent d9336c2
commit 8c689b2
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/python/plugins/processing/algs/qgis/CreateConstantRaster.py b/python/plugins/processing/algs/qgis/CreateConstantRaster.py
@@ -87,8 +87,8 @@ def processAlgorithm(self, parameters, context, feedback):
         outputFile = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
         outputFormat = QgsRasterFileWriter.driverForExtension(os.path.splitext(outputFile)[1])
 
-        rows = max([math.ceil(extent.height() / pixelSize) + 1, 1.0])
-        cols = max([math.ceil(extent.width() / pixelSize) + 1, 1.0])
+        rows = max([math.ceil(extent.height() / pixelSize), 1.0])
+        cols = max([math.ceil(extent.width() / pixelSize), 1.0])
 
         writer = QgsRasterFileWriter(outputFile)
         writer.setOutputProviderKey('gdal')

diff --git a/python/plugins/processing/tests/testdata/qgis_algorithm_tests.yaml b/python/plugins/processing/tests/testdata/qgis_algorithm_tests.yaml
@@ -1652,7 +1652,7 @@ tests:
       NUMBER: 3.0
     results:
       OUTPUT:
-        hash: e453e9e36ce314d5197963ac27872a0cc3dfe43764ed586a334c66f0
+        hash: 56172fe81f40efba9fadcaeccdbab247e99c8725990a94d9609769f6
         type: rasterhash
 
   - algorithm: native:lineintersections