POINTCLOUDPROFILESWEEP command

Reconstructs a linear feature in a point cloud.

BricsCAD Pro; BricsCAD Mechanical; BricsCAD BIM

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Description

Reconstructs a linear feature in a point cloud by connecting a set of profile key points in consecutive cross sections of the point cloud. The detection of the profile in the next cross section can be automatic or manual.

Method

Launch the command to open the Point Cloud Profile Sweep command context panel.

Note: To improve the selection of relevant point cloud points, turn on the Point Cloud Nearest Point entity snap (see the PCNEAREST command article).
In the model space:
  • Click a point in the point cloud near the linear edge to reconstruct to define the start position.
  • Click a second point in the point cloud to approximate the direction of the linear edge. This direction will be refined in the next steps.
  • Click any grip point, drag it, and click again to change the position, size, or direction of the profile section.
In the command context panel:
  • Click inside the section preview to add or edit key points.
  • Control the step settings.
  • Start or pause the stepping process.
  • Choose the desired output format.
  • Click Accept to create the profile entities according to the stepping preview or click Cancel to exit the command.

Options within the command context panel

Profile preview
Allows you to add points to define the step profile.
  • Left-click to add key points.
  • Right-click to remove key points.
  • Click, hold and drag a key point to reposition it.
  • Use the scroll wheel to zoom in or out.
  • Hold middle-mouse button to pan.
  • Use the slider or the control buttons to select a step.
Adjust key points in step profile
Adjusts each key point independently to best match its position in the next step.
Close profile
Connects the first and last key points within the profile section.
Step controls
Run
Starts or resumes the stepping process with the current settings.
Pause
Pauses the automatic stepping process.
Steps drop-down list
Note: The stepping process starts automatically once a stepping option is selected.
Multi steps
Automatically advances multiple steps using key-point matching until the accuracy threshold is no longer met.
Single step
Advances one step using key-point matching if the accuracy threshold is met.
Manual step
Moves one step manually according to the current direction and step size without using the matching algorithm.
Invert
Inverts the step direction.
Camera aligned
When turned on, keeps the camera aligned with the movement.
Remove steps
Removes the specified steps.
Previous steps
Removes steps from the first to the current.
Current step
Removes the current step.
Next steps
Removes steps from the current to the last.
Options
Accuracy
Sets the stepping process accuracy threshold.

The stepping process stops when the key-point match score is below the chosen threshold. To resume it, adjust the threshold or keypoints, or add a manual step.

Step size
Sets the distance used to move to the next step when advancing.
Geometry
Sets the entity type used for creating the profile geometry. Select between lines, polylines, surfaces and stringlines.
Output
Sets the output format.
Key point lines
Creates geometry to connect key points between step profiles.
Step lines
Creates geometry to connect key points within step profiles.
Both
Creates geometry to connect key points both within and between step profiles.
Close loop
Creates geometry between the key points of the first and last step profiles.
Note: The options in the Command line reflect those in the command context panel.