Defined in File SLAMScanWrapper.hpp
Annotates the use of a Scan when creating an slam6D .frames file.
Values:
The Scan has not been registered yet.
The Scan changed since the last Frame.
The Scan did not change since the last Frame.
The Scan was part of a GraphSLAM Iteration.
The Scan was part of a Loopclose Iteration.