Executing: Viewshed dsm_all Points C:\Workspace\viewshed 1 FLAT_EARTH 0.13 #
Start Time: Tue May 16 08:26:48 2017
ERROR 010067: Error in executing grid expression. Unable to initialize mapping values(VMINI).
Failed to execute (Viewshed).
Failed at Tue May 16 08:42:01 2017 (Elapsed Time: 15 minutes 12 seconds)