geom3d
Geometric computing library for 3D shapes: meshes, points, lines, planes...
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Editor's Note: This file was selected as MATLAB Central Pick of the Week
Cite As
David Legland (2026). geom3d (https://www.mathworks.com/matlabcentral/fileexchange/24484-geom3d), MATLAB Central File Exchange. Retrieved .
Acknowledgements
Inspired by: iscoplanar.m
Inspired: BrillouinzoneBCCLattice(), Rotate point cloud on orizontal plane - script (ITA, ENG), STL Lattice Generator, intersectPlaneSurf II, Perspective projection, Optimal Step Nonrigid ICP
General Information
- Version 1.25.0 (922 KB)
MATLAB Release Compatibility
- Compatible with any release
Platform Compatibility
- Windows
- macOS
- Linux
| Version | Published | Release Notes | Action |
|---|---|---|---|
| 1.25.0 | add link to matGeom (GitHub + FEx contribution) |
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| 1.24.0 | new functions for processing 3D meshes (repairing, simplification), renaming of inertia ellipsoid into equivalent ellipsoid. |
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| 1.23.1 | package as mltbx file |
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| 1.23.1-0 | package as toolbox. |
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| 1.23.0 | add meshes3d/meshFaceAreas.m, add geom3d/isTransform3d.m (thanks to Oqilipo), updated return type of several drawing functions, fixed bug in orientedBox3d |
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| 1.22.0 | added several functions fore reading/writing 3D meshes in PLY and OFF formats, and new functions for working with 3d meshes (distancePointMesh, isPointInMesh). |
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| 1.21.0 | integrate several contrinutions (oqilipo, Roozbeh). add clip/split/concatenate meshes, new transforms from vectors. |
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| 1.20.0 | remove deprecated functions, update some display functions |
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| 1.19.2 | fix bug in clipConvexPolyhedronHP, fix bug in nomalizePlane.m for multiple planes (thanks to Zubiao Xiong), add orientedBox3d |
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| 1.19.1 | fix bug in polyhedronCentroid |
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| 1.19.0 | Several updates for processing of meshes (intersectPlaneMesh, intersectLineSphere), for display of meshes, for computation and display of inertia ellipsoids |
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| 1.18.0 | added trimMesh function (that removes non connected vertices from a mesh), update mergeCoplanarFaces, and update tolerance management in interesectLineMesh3d |
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| 1.17.0 | fix various small bugs |
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| 1.16.0 | fixed bug in surfToMesh |
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| 1.15.0 | minor bug fixes, new functions for manipulating polygons, speed improvements (thanks to Sven Holcombe!) |
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| 1.14.0 | several bug fixes, new functions (fitLine3d, parallelPlane, reversePlane, intersectPlaneMesh, meshCentroid...), and fonctions for creating meshes from patches or geometric primitives. |
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| 1.13.0 | fix bugs in demos |
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| 1.12.0 | bug fixes, new functions for spherical polygons, for reading meshes (off foramt), for point-edge distance, and for computing surface area of 3D polygons, meshes, or ellipsoids. |
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| 1.10.0 | various code cleanup and speed improvements, mainly contributed by Sven Holcombe (many thanks!) |
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| 1.9.0 | use degrees for drawing shapes, split lib into packages 'geom3d' and meshes3d |
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| 1.8.0 | Add new functions for meshes and polyhedra, and for 3D transforms (rotations, basis transform). See file changelog.txt |
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| 1.5.0 | fixed bugs in rotations and in drawing of some shapes, added rotation by Euler angles, various update in doc and in code |
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| 1.4.0 | add missing demos |
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| 1.3.0 | some bug fixes, demo files as published m-files. |
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| 1.0.0 |
