Lines to Points: convert polylines into point clouds

Turn polyline objects into point clouds in one click

1 min read
In the app
  • LinesLines to Points

Lines to Points turns polyline objects into point clouds: every vertex of the line becomes a point. Use it when the next step needs points instead of a line, for example a point-cloud tool or an export to a point format.

The tool is on the Lines tab, in the group with the other conversion tools.

The Lines tab of MeshInspector with Lines Derivative and the conversion tools Lines to Distance Map, Lines to Mesh, Lines to Points and Lines to Voxels.

Convert lines to points

  1. Select one or more polyline objects in the Scene tree.
  2. Click Lines › Lines to Points.

The tool has no panel and works at once:

  • Each selected polyline object is replaced by a point cloud with the same name, in the same place of the Scene tree. The Information panel shows its type as Point Cloud.
  • The points are the vertices of the line, so the cloud is only as dense as the line. A line with long straight segments gives few points: split the segments first with Subdivide (Lines › Subdivide).
  • Vertex colors of the line are kept.
  • If all contours of the line are closed, the cloud gets one extra point: a copy of the first vertex. For example, a closed section contour with 1 076 vertices gives 1 077 points.
  • The point cloud has no normals: the Information panel shows Point Normals: No.

A point cloud made by Lines to Points from a closed section contour of a CAD housing. The Information panel shows the object type Point Cloud, 1 077 points and no point normals; the long straight segments of the contour gave only a few points.

To get the line back, use Undo (Ctrl+Z, or Cmd+Z on macOS). To build a line from ordered points again, use Points to Lines. What you can do with the result is described in Point clouds.

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