Registration

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Scan points are recorded and saved in a coordinate system which is relative to the scanner. The point of origin for this scan coordinate system is the position where the laser meets the mirror. The coordinates of this point are x = 0, y = 0, z = 0. If you have two or more scans taken at different locations in a room, each scan will only know its own scan coordinate systems right after scanning.

In reality however, the origins of these scan coordinate systems are at different positions in the room. Therefore, it is necessary to determine the spatial relationship between them. This is called registration, and the step from the scan coordinate system into the overall coordinate system is called transformation.

The scans of your scan project might have a rough initial placement derived from the sensors of the laser scanner (GPS, Altimeter, Inclinometer or Compass), but, in general, it is still necessary to perform a registration to get a more precise spatial relationship between the scans.

Starting from SCENE 2025.1, you can synchronize registration results of Blink scan projects with Sphere XG. In other words, registration results from SCENE will be uploaded to Sphere XG and vice versa.