Gives information about the detector. Extension for the items used in SAS.
_sas_detc.id 2D _sas_detc.beamstop_size_x 0.5 _sas_detc.beamstop_size_y 0.5 _sas_detc.pixsize_x 0.01 _sas_detc.pixsize_y 0.01 _sas_detc.center_x 2.0 _sas_detc.center_y 2.2 _sas_detc.sector_width 45 _sas_detc.sector_orientation 22.5