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Open3d PointCloud Interpolator

How to use

点云插值

  1. I键插值点云, 会打开Open3d VisualizerWithEditing,教程如下:
  -- Editing control
    F            : Enter freeview mode.
    X            : Enter orthogonal view along X axis, press again to flip.
    Y            : Enter orthogonal view along Y axis, press again to flip.
    Z            : Enter orthogonal view along Z axis, press again to flip.
    K            : Lock / unlock camera.
    Ctrl + D     : Downsample point cloud with a voxel grid.
    Ctrl + R     : Reset geometry to its initial state.
    Shift + +/-  : Increase/decrease picked point size..
    Shift + mouse left button   : Pick a point and add in queue.
    Shift + mouse right button  : Remove last picked point from queue.

    -- When camera is locked --
    Mouse left button + drag    : Create a selection rectangle.
    Ctrl + mouse buttons + drag : Hold Ctrl key to draw a selection polygon.
                                  Left mouse button to add point. Right mouse
                                  button to remove point. Release Ctrl key to
                                  close the polygon.
    C                           : Crop the geometry with selection region.
  1. 首先选择要插值的点云区域,建议选择一个较大的平面区域。在选之前按K锁定相机,然后按住Ctrl键,用鼠标左键选择一个多边形区域,然后按C键裁剪点云,重复上面的操作直到选择到满意的区域,最后按 Q 退出。
  2. 在第二个弹出的窗口中,选择需要保留的插值区域,选择方法同上。
  3. 然后在主界面中就能看到插值后的点云了,点击右侧的Accept按钮或者按A键保留这次插值结果,按Decline按钮或者D键取消这次插值结果。

点云裁剪

  1. C键裁剪点云,同理用上面的方法选择裁剪区域,最后按Q键退出后便能看到裁剪后的结果。

P.S.

可以按Ctrl+Z键撤销上一次的裁剪操作, 按Ctrl+Y键重做上一次的操作。

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