wildfire config.pro option documentation for: STORE_TOOL_PATH_FILE            

store_tool_path_file

yes, no

specifies how cmm probe path information is computed:

• yesothe probe path information is stored in a file called filename.tph, where filenameis the name of the cmm model.

• noothe probe path is recomputed every time you retrieve the cmm model or change any measure parameters.