Patch Instructions - rosepearson/GeoFabrics GitHub Wiki
These options control behaviour of the patch inclusion stage and are all grouped under the patch key-value.
The patch sub-section within the patch key is required if non-default values are specified.
layers[Optional,str, defaultz] - The 'z' (elevation) or 'zo' (roughness) layer where the patch(es) are to be applied.patch_on_top[Optional,bool, defaultTrue] - If True the patches are applied over the input dem/geofabric if False the are applied only where there is only no data in teh dem/geofabric.drop_patch_offshore[Optional,bool, defaultFalse] - If True the patches are only applied on land and the foreshore.