3D scanning and XR terms

How the real world gets into 3D, and how 3D gets back into the real world: scanning objects and places, and showing 3D content in augmented and virtual reality.

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3D scanning and XR terms FAQ

What is the easiest way to 3D scan an object?
Photogrammetry with a phone: take overlapping photos all around the object in soft, even light, then let an app build the model. Phones with a depth sensor can also scan rooms quickly.
What is the difference between AR and VR?
Augmented reality adds 3D content to your view of the real world, usually through a phone or glasses. Virtual reality replaces your view entirely with a 3D world, through a headset.
What is a point cloud used for?
Point clouds record the shape of real objects and places as millions of measured points. Surveyors and engineers measure with them directly; 3D artists usually turn them into meshes first.

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