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R200 realisense camera, the three-dimensional coordinates of a point on the 3D scanning model is the camera as the origin of it? Also, how do I calculate the distance from the point to the camera on the model?

SYude
Beginner
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R200 realisense camera, the three-dimensional coordinates of a point on the 3D scanning model is the camera as the origin of it? Also, how do I calculate the distance from the point to the camera?

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MartyG
Honored Contributor III
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The camera sees a digital image made of pixels. From this you can:

- Find out the screen coordinates of a point on the digital image using the ProjectCameratoColor instruction.

https://software.intel.com/sites/landingpage/realsense/camera-sdk/v1.1/documentation/html/index.html?projectcameratocolor_pxcprojection.html Intel® RealSense™ SDK 2016 R2 Documentation

- Find out the real world coordinates of a point on the digital image using the ProjectCameraToDepth instruction.

https://software.intel.com/sites/landingpage/realsense/camera-sdk/v1.1/documentation/html/index.html?projectcameratodepth_pxcprojection.html Intel® RealSense™ SDK 2016 R2 Documentation

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MartyG
Honored Contributor III
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The camera sees a digital image made of pixels. From this you can:

- Find out the screen coordinates of a point on the digital image using the ProjectCameratoColor instruction.

https://software.intel.com/sites/landingpage/realsense/camera-sdk/v1.1/documentation/html/index.html?projectcameratocolor_pxcprojection.html Intel® RealSense™ SDK 2016 R2 Documentation

- Find out the real world coordinates of a point on the digital image using the ProjectCameraToDepth instruction.

https://software.intel.com/sites/landingpage/realsense/camera-sdk/v1.1/documentation/html/index.html?projectcameratodepth_pxcprojection.html Intel® RealSense™ SDK 2016 R2 Documentation

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