Registration Tool

What is the Registration tool?[edit | edit source]

The Registration tool automatically aligns two or more point clouds, providing a rough alignment between them. For a precise alignment, it is recommended to use the Alignment tool following the processing with the Registration tool.

Registration tool application

Step 1: Target Selection

• Click on the wrench icon to access the registration 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” to proceed with Step 2

Step 2: Source Selection

• Choose the point cloud you wish to align
• Click “Next” to proceed with Step 3

Step 3: Data Filtering

• 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” to proceed with Step 4

Step 4: Processing

This step may take a few minutes. Once it is finished, a green check mark will appear indicating successful processing.

• Click "Next" to proceed with Step 5

Step 5: Analysis

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

• Choose between «Show selected areas only" or the entire content
• Toggle the wireframe view by clicking on the checkbox next to "Use wireframe view for models"
• To complete the alignment, click "Save" or alternatively, use the "X" on the top right corner of the Registration tool box to close the tool and delete the entire alignment