Update gridcalculator.rst

Added a conditional example
qgis · Jun 6, 2014 · 86ab4c8 · 86ab4c8
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commit 86ab4c8
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diff --git a/python/plugins/processing/algs/saga/help/gridcalculator.rst b/python/plugins/processing/algs/saga/help/gridcalculator.rst
@@ -48,6 +48,15 @@ Outputs
 
 - ``Result[Raster]``: The resulting layer.
 
+Example
+-------
+
+You can for instance use the Grid Calculator module to flag 0 cells with -1:
+
+ifelse(eq(g1,0), (-1), g2)
+
+The formula reads like "if the cell is equal to zero, then write -1 else write the current value to the output grid".
+
 See also
 ---------