Fix rounding error while calculating output raster dimensions

This was creating artifacts in some situations (missing line in the middle).
qgis · Nov 28, 2018 · 55017d7 · 55017d7
1 parent e01cb7c
commit 55017d7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/python/plugins/processing/algs/qgis/RasterCalculator.py b/python/plugins/processing/algs/qgis/RasterCalculator.py
@@ -168,8 +168,8 @@ def _cellsize(layer):
 
         output = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
 
-        width = math.floor((bbox.xMaximum() - bbox.xMinimum()) / cellsize)
-        height = math.floor((bbox.yMaximum() - bbox.yMinimum()) / cellsize)
+        width = round((bbox.xMaximum() - bbox.xMinimum()) / cellsize)
+        height = round((bbox.yMaximum() - bbox.yMinimum()) / cellsize)
         driverName = GdalUtils.getFormatShortNameFromFilename(output)
 
         calc = QgsRasterCalculator(expression,