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Click on "Set 1st Point" and a new camera viewport will open as shown in Figure 21.
Figure 21. Scale By Motion Camera Viewport
The viewport is further broken down into 3 regions
1. The full window is the Field Of View (FOV). This area represents 100% FOV of the camera.
2. Usable Field of View (UFOV) (The darker blue rectangle). This is the area that will be used to
build the photomosaic. This is specified in the planning phase as a percentage of the FOV (See
Section5.3.6). For flat surfaces a field of view of 70% to 90% may work well, for more textured
or curved surfaces a value of 20% may yield better results.
3. Snapshot window (Gray rectangle). To establish scale with the scale by motion technique, CNC
Scanner takes two snapshots. The snapshot window represents the area that will be captured in
each snapshot. You can reposition the snapshot window within the FOV by dragging it with the
mouse.
UM10138_0712A
CNC Scanner
24
Tormach® CNC Scanner
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