I am using QGIS 2.8.1 to build a model. All is working fine until the raster calculator input. I understand that the raster calculator in QGIS Modeller is a SAGA tool. With this, I have tried both the following formulae:
I keep on getting an error message, am I typing in the formula completely wrong?
All I want to do is take away one raster layer from the other, giving me a new raster output.