Extract Geometry from a Point Cloud
Use the Extract Geometry command to draw or select an existing 2D closed CAD object whose shape and size you want to use as a template for the extraction, and then either manually or automatically select features in a point cloud of the same shape and size (for example, painted arrows on a roadway) and create a closed polyline around each. You can select whether or not "found" features may be rotated or mirrored (flipped) from the selected shape's orientation.
Prerequisites:
See the Subscription Plans page. For a license matrix by command, see the License page in the TBC Community. Also see View and manage licensed features.
To extract geometry from a point cloud:
- In the 3D View or Plan View, display the scan points from which you want to extract geometry.
You can select to not filter the graphic view at all if you expect to extract geometry from all of the scan points in the project. However, to improve extraction performance, you can select to filter the graphic view using the View Filter Manager to display only the point cloud regions from which you want to extract features. In addition, you can use the point cloud Keep Out and Keep In commands to further filter the view.
- Select Extract Geometry in Point Clouds > Extraction to display the Extract Geometry command pane.
The point cloud is automatically rendered in gray-scale intensity, if it is not already.
- In the Extraction type group box, select the appropriate extraction option:
- Single - Extract geometric objects from a point cloud individually as you select them. Instructions...
- Multiple - Extract all of the matching geometric objects in a selected area. Instructions...
