Modification Tool

Modification tool Application

Step 1: Source Selection

• Click on the wrench icon to access the modification tool
• Select one or multiple point clouds you wish to align (choose a primary point cloud, either dedicated or georeferenced, to serve as the anchor for aligning all other point clouds)
• Click “Next” or click on “Point Selection” to proceed with the next step

Step 2: Point Selection

Select the desired tool for point selection from the available options.

• None (Rotation)

• Box Selection; left-click + hold and drag mouse across the screen in desired area
• Polygon Selection; left-click to select multiple points on point cloud for the desired area – close or finish Polygon by clicking on the first point again

• Lasso Selection; left-click + hold and drag mouse to enclose the desired area

• Click on the Reset icon in Selected Points Action to revert and undo previous selections.
• Click on “Next” or “Align” to proceed with Step 3

Step 3: Align

The Alignment mode serves to align the point clouds either on the horizontal plane or on the vertical plane.

• Horizontal Plane; Top view/ plan view alignment
• Vertical Plane; Front view / elevation view alignment

The Camera Control mode facilitates viewing from various angles and perspectives.

• Top View
• Front View
• Bottom View
• Rotate 90° to the left
• Rotate 90° to the right
• Move artifacts to visible area; applicable when the point cloud is not georeferenced, and the specific location of the point cloud is irrelevant
• Move camera to artifacts; when the point cloud is georeferenced, and the specific location of the point cloud is relevant

Navigation to align the point clouds:

Use Cutaway View to eliminate points from the displayed area, enhancing precision and providing a clearer floor plan view.

• Click on the "Cutaway View" icon in the top right corner
• Click Scroll-Wheel and move mouse up and down: eliminate points from top
• STRG (CTRL) + Click the scroll-wheel and move mouse up and down; eliminating points from bottom

Horizontal Plane + Top View

• Left-click and drag the mouse up and down; rotate around its center, marked by the crosshair.
• Right-click and move mouse; shift the entire point cloud to the desired location
• Scroll-Wheel; to zoom in and out
• STRG (CTRL) + right-click; to navigate around in the plane
• Utilize the arrow keys on your keyboard for precise and incremental movements, especially when requiring small adjustments

Vertical Plane + Front View:

• Left-click and move mouse up and down: to horizontally rotate the point cloud, center is indicated by the crosshair
• Right-click and move mouse up and down; to vertically move point cloud up and down

• Proceed to the Analysis section by clicking on "Next" or selecting "Analysis”

Step 4: Analysis

This section functions as a tool for comparing alignment steps and for undoing and redoing actions.

• To complete the alignment, click "Save" or alternatively, use the trash bin icon to delete the entire alignment