Map pilot pro terrain following

You can use a DEM that includes the man made structures by creating your own custom terrain data source. 

https://support.dronesmadeeasy.com/hc/en-us/articles/360000745623-Custom-Terrain-Source-for-Terrain-Awareness

https://support.dronesmadeeasy.com/hc/en-us/articles/360021867012-Arbitrary-DEM-Preparation-for-use-as-a-Custom-Terrain-Source