UP3D UP500 User Manual page 39

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【Rectangle selection tool】
Operation:
A1.Click 【Rectangle selection tool】 to enable or disable the rectangle selection function.
A2. Click the mouse to determine the selection area of the rectangle,drag the mouse to select
the model with a rectangle, then release the mouse, and all the data (including the uncovered
area)in the rectangle range is marked as red.
A3.If the model is mesh(non-point cloud), hold down the Alt key and select only the visible
area when selecting an area(the covered area will not be selected)
A4. Hold down the Ctrl key when selecting an area, so you can deselect the area in the selected
A5.The mouse is not released when the area is selected, you can press 【Esc】to cancel the
selection.
【Polygon selection tool】
Operation:
A1.Click 【Polygon selection tool】 to enable or disable the polygon selection function.
A2. Click the left button to construct the polygon point by point, click right button to end
selection, and all data in the range of the polygon (including the uncovered area) is marked as
red.
A3 .If the model is mesh (non-point cloud), hold down the Alt key and select only the visible
area when selecting an area (the covered area will not be selected)
A4. Hold down the Ctrl key when selecting an area, so you can deselect the area in the selected
red area.
A5.the mouse is not released when the area was selected, you can press 【Esc】to cancel the
selection.
【Lasso selection tool】
Operation:
A1.Click 【Lasso selection tool】 to enable or disable the lasso selection function.
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