# CameraSnap

## Video Walkthrough

In this video, we cover how to calibrate a camera sensor using Camera Snap in Spatial Explorer 6.

{% embed url="<https://www.youtube.com/watch?v=2tDxmSWx5Mg>" %}

* To access CameraSnap, first click the camera within the Project window and then click on the "Configure Sensor" wrench icon.

![Camera Configure Sensor tool](/files/-M_WtQ9sFPJdm703kBsc)

* Click on the "Calibration tab" and verify the following camera parameters are correct:
  * Mounting transform (IMU to Sensor) parameters
  * Intrinsics of each Receptor:
    * Width (mm)
    * Height (mm)
    * Pixel count - width
    * Pixel count - height
    * Principal point x (existing boresight value or half of pixel count width)
    * Principal point y (exisiting boresight value or half of pixel count height)
    * Focal length (close estimate)

![](/files/-M_Wvb-XiAQvSDSCPlvy)

* Click on the "Processing tab"
* Click on "Use Intervals" to select the interval-list to use for activating photos
* Click "OK"&#x20;

![Activate photos within intervals](/files/-M_WwhWRricZUf6k9P1_)

* Click on "Tools..." at the bottom, then select "Calibrate Camera Automatically" to open CameraSnap. &#x20;

![Access to CameraSnap Tool](/files/-MZFwCK22Gw7ar9Fbzf0)


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