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We have created a simple 3 step process to ensure you are able to obtain a successful calibration the first time it is attempted. It might be a little time consuming at first but this was all done to ensure the best possible results.
First, have a read of this article for PRO-TIPS to keep in mind during calibration.
On to the 3 Steps!
- Make sure the calibration board is centered within the Yellow bounding box.
- The edges of the calibration board should be touching the bounding box on all sides (or as close as possible)
PRO TIP : Use the top yellow line as a guide to make sure the calibration board or scanner is not tilted at an angle. The red lines show the direction in which you should move (NOT TILT) the scanner to make sure it is within the centre of the cameras field of view. You are ready when all the sides are yellow.
- Once your calibration board is within the yellow bounding box, you will need to adjust the height of the calibration board or scanner to ensure that each of the blue squares contain a black dot.
- The yellow bounding box can be moved up or down to adjust for height.
PRO TIP : Once there is a black dot in each blue square, the screen will lock onto the calibration pattern.
Note: If you are having trouble here, it may mean that the calibration board is not flat or is tilted.
- The red shaded parts you notice present any reflections which the camera can see on the calibration board. It acts as a sort of heatmap. Eliminate as much of this as possible.
Once everything is in place, the button will turn blue. Hit calibrate!
Calibration is a 2 stage process and the above steps are repeated in stage 2 by moving the calibration board further away from the scanner. The size of the Yellow bounding box is changed to suit this distance.
- Raise the Board to fit the yellow box.
- Align 16 squares with 16 dots (Snaps into place if it is right)
- Green grid is good ( Go green or go home!)
- Red heatmap is bad (get rid of those reflections!)
- Button Blue? Hit Calibrate!
Do watch the video below to get a better idea!
Here is a quick video explaining how to test the calibration:
- Run a test scan on a flat surface like a wall
- Rotate model to confirm that the result correctly represents the flat surface