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Next, create a mask for what the camera sees. This is not to limit where the projection will go, but to tell the
calibrator which portions of what the camera sees it can ignore. The tools to draw the required masked areas
are located on the left-hand side tool bar and can be made to any shape and size (within the camera view).
Create as many masks as needed. The created masks will be listed and be available for later editing on a list
at the right-hand side.
In this example, a mask to block out the middle stripe, and another to let in the full area of the curved surface
was created. The middle bit is set to inverse. Now if the camera sees bright spots anywhere that is covered
by red in this image, it will ignore them for the purpose of the calibration later.
Fig. 71 -
Autocalibration: mask out unwanted projection areas
Next, adjust the brightness of the projector until the edges of the projection are a nice sharp line.
Fig. 72 -
Autocalibration: adjust the projector brightness
