The package contains tools for the delineation of line and polygon vector representations from point cloud data. Applications are the extrusion of shapes and the derivation of skeletons and polygonal 3D shapes from point cloud segments.
Tool: 3D Alpha Shapes from PC Segments
Features |
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• creation of polygonal shapes from point cloud segments by Tetrahedronisation |
• output: 3D polygon shapefile of mesh |
Application |
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• meshing of voluminous objects |
Tool: Catenary Curve Fitting
Features |
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• vectorization of power line cables by catenary curve fitting |
• input: classified and segmentized point cloud |
• output: 3D line shapefile |
• attributes include cable identifier and elasticity parameter alpha |
Application |
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• modelling of power line cables |
Tool: Create Pipe Model from Skeleton
Features |
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• creation of a polygonal pipe model from a skeleton line shapefile |
• number of prism faces can be specified |
Application |
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• modelling of volumetric representations from line skeletons, e.g. tree models |
Tool: Dijkstra Skeletonizer
Features |
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• creation of line skeletons from a segmented point cloud with pre-calculated Dikstra distances |
• variable node stepping and branching distance |
Application |
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• modelling of linear representations from point cloud segments, e.g. trees |
Tool: Extrude Shapes
Features |
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• extrusion of polygon shapefiles to create 3D block models (LOD1) from outlines with relative height information |
Application |
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• creation of 3D block models (LOD1) |
Tool: Extrude Shapes (absolute Z)
Features |
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• extrusion of polygon shapefiles to create 3D block models (LOD1) from outlines with absolute height information |
Application |
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• creation of 3D block models (LOD1) |
Tool: Polygon Outlines from PC Segments
Features |
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• creation of 3D polygonal shapes (outlines) from point cloud segments |
• optional line simplification |
• optional polygon rectification to the main directions of the point cloud segment |
Application |
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• outlines of point cloud segments, e.g. building roofs/walls, joint planes |