indexwizard launch
trace on or off
findspot (now everything is finish, just wait the response from the socket, if socket return values, we can process the information, after receive the information, turn the trace variable on, then everything can continue, and the indexing still can be done.
set l_images [$::project getImages]
set l_first_image [lindex $l_images 0]
findSpots $l_first_image