Sigma LBA-300, LBA-710, LBA-714PC DIS Set Manual Origin Location, PAN Set Capture Window Location

Detector coordinates are used to position the origin location which in turn defines the World Coordinate system. Detector coordinates also are used to define the location of the frame data capture windwo which in turn defines the Frame Coordinate system.

10.7.2.1 DIS - Set Manual Origin Location

The Origin location can be set anywhere inside the :PNW? limits. Since the Origin location defines world coordinates, there is no way for you to associate a particular world coordinate with the manual origin location. The Origin location must be defined in terms of the detector coordinate system.

See section 9 regarding the World Coordinate system and the LBA-PC online help for more information about Origin Locations.

The following example describes how to enable the manual origin and set the manual origin location to the center of the detector. The center of the detector in this example is at (112+744)/2 and (32+512)/2.

Host sends

:DIS

Origin=0(^END)

Host sends

:PNW?(^END)

LBA-PC sends

PNW

UpperLeft=112,32;

LowerRight=744,512(^END)

Host sends

:DIS

ManualOrigin=426,272(^END)

Another technique that you can use to position the origin in manual origin mode is to move the cursors to the desired location (:CUR) and send the :ORG command which sets the manual origin to the current cursor location.

10.7.2.2 PAN - Set Capture Window Location

The PAN command specifies the upper left corner of the capture window. The entire capture window must fit inside the current pan window limits retrieved with the PNW? command.

Operator’s Manual 202 LBA-PC