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Camera Calibration with multiple lasers and multiple cameras

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Laser
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2023-03-28

Another camera problem. I have two K40s and one laptop with Lightburn, One K40 has the C3d board, the other has an OMTECH controller upgrade board, Both have a camera, one is a 160 degree fisheye, the other is a 170 degree fisheye. The device setup was completed for the omtech version with home and origin at upper left, camera location and calibration with image capture and all steps to successfully coordinate the camera with the k40.
When I set up the other K40 with C3d board (home upper left, origin lower left), used the manual device creation with a different name, completed setup. Disconnected from C3d laser, connected to omtech laser, successfully homed, but camera has lost its alignment data, need to run the 2nd part of camera setup again. Major PITA if I have to redo the entire camera setup each time I switch! Is there an accessible location where the camera alignment and calibration is stored?

C

    • Miller

      2023-03-29
      This deserved its own Topic so moved the content here.
Not sure if it had anything to do with order of operation or whatnot but each device profile that you have should allow for distinct camera calibration. Switching devices should allow for the respective camera calibration for that device to work.
Is that not what you’re seeing?
All device and calibration data is located in the Prefs file available if you do File->Open prefs folder.
I’d caution to be very cautious with making changes to that file as that is central for LightBurn function. Take a backup before making changes.
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