Polygon Selection

Functional Description: Select point cloud data in polygon area. (Shortcut key: Shift+P)

Steps

1. Click the function button, which is in the box selected state, to activate the function.
2. Add polygonal vertices by left click. Select the vertex position of the polygon, the program will automatically form a closed polygon, as shown in the figure.
   
3. If the vertex position of the polygon is incorrectly selected, you can right-click the vertex selected last time to cancel the operation for several consecutive times.
4. Double-click the last vertex position to end vertex selection, identify the point cloud in the selected polygon area and highlight (red).
5. After one selection is over, another selection can be made on the basis of the first selection.
6. Each selection area will be selected according to the state of Inverse Selection to add or subtract the selection area.

   Note: This function is only applicable to point cloud data.