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Hybrid 2D/3D data in a virtual environment

  • US 10,438,413 B2
  • Filed: 11/07/2017
  • Issued: 10/08/2019
  • Est. Priority Date: 11/07/2017
  • Status: Active Grant
First Claim
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1. A method for using a virtual reality (VR) headset to view a two-dimensional (2D) technical drawing of a real-world, physical object in three dimensions (3D), the method comprising:

  • using LiDAR to produce a 3D point cloud of a real-world environment that comprises the physical object by performing the following substeps;

    scanning the real-world environment with a laser scanner to produce scan data;

    registering the scan data with a computer to stitch data from multiple scans together to create a data-intensive point cloud;

    degrading the data-intensive point cloud by reducing the number of data points in the data-intensive point cloud to create a degraded point cloud by using an octree filter to subdivide the data-intensive point cloud and preserving only one point from each nonempty subdivision;

    creating the 3D point cloud by formatting the degraded point cloud into a game-engine-compatible format; and

    importing the 3D point cloud into a software framework used for creating and developing video games;

    scaling and aligning the 2D technical drawing to match the size and orientation of the physical object as depicted in the 3D point cloud;

    overlaying the 2D technical drawing (including all labels and dimensions) on the physical object depicted in the 3D point cloud; and

    visually comparing the 3D point cloud representation of the physical object to the 2D technical drawing by simultaneously displaying the 3D point cloud of the real-world environment and the overlaid 2D technical drawing to a user with the VR headset.

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