I want to create a workflow with a QGIS script where I need a viewshed tool. There is a really cool viewshed plugin. Unfortunately I am not able to access it in the QGIS console. I also found out that GRASS GIS 7.0 and SAGA GIS have viewshed tools. But I am not able to access them in QGIS.
Do you have an idea how I can use a viewshed tool in a QGIS script?