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Leios Mesh is a part of the suite of EGS softwares for the elaboration of 3d scannings.
LeiosMesh imports data obtained with 3D scanners or touch probes for transforming the point clouds, typically derived from the scans, in mathematical meshes or NURBS: this procedure is called "reverse engineering".
Usually the process of manufacturing of a model starts in a virtual environment, a workstation with CAD or 3D graphics software, and it's subsequently realized with both tooling and rapid prototyping machines.
On the other hand the reverse engineering procedure is the process of acquiring the 3D shape of a physical object with scanners, in a form which can be further developed with a CAD or 3D graphics software.
LeiosMesh is now natively able to take full advantage of the 64bit architecture.
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The standard workflow of LeiosMesh includes the following steps:
1) Point Cloud
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Import of one or several point clouds generated from digitalization or measuring machine (laser or structured light 3D scanners, time-of-fly or other types of scanners, CMM machines with touch probes...) in ASCII, STL and others formats;
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Registration and merge of the point clouds and / or meshes in a single model;
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Processing and editing of the point cloud - noise and redundancy cleaning, several filtering procedures, smoothing, ecc..
2) Mesh
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Triangulation: convert the point cloud into a triangulated mesh;
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Processing and editing of the mesh - manifold healing, smoothing, hole filling, decimation, refining, ecc..
3) Surface and Geometries
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Automatic or semi-automatic reconstruction of the model by NURBS paths;
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Splines or polylines on mesh, sections, planes, analytic geometries.
4) Analysis
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Mesh / Surfaces comparison;
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Distances, areas, volumes, ecc...
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Point Cloud |
Triangulated Mesh |
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Triangulated mesh with edges |
Watertight model |
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Cut a Mesh By Curve |
Mesh-Surface comparison |
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Cross Sections along Curve |
Mesh Fitting to Cylinder |
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| LEIOS MESH BASIC SPECIFICATIONS: |
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Noise and redundancy elimination filters.
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Homogeneous and curvature-based point cloud sampling, the new type of curvature point cloud filtering gives the best quality filtering results.
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Point cloud noise cleaning procedure including anisotropy filtering allows to delete noise vertices much more efficiently.
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Point cloud or triangle mesh offset: probe radius compensation for the touch-probe scanners.
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Fast shaded preview for a point cloud.
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Point cloud triangulation yielding a manifold mesh.
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LeiosMesh triangulation procedure has less memory requirements. On multi-processor computers, a multithreaded version of the procedure is automatically launched, thereby allowing to use all processors with the maximum effectiveness.
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LeiosMesh includes Multithreaded versions of several point cloud processing operations.
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Efficient in-memory storage of the triangle mesh objects.
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Various triangle mesh healing procedures cleaning non-manifold, irregularly shaped and overlapped triangles.
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Flat and curvature-based mesh hole filling.
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Mesh smoothing with possible error control.
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Mesh decimation, with options including error control, skew triangle suppression.
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Mesh refinement.
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Fitting a mesh part to plane, cylinder, or sphere.
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Curves construction, editing, splitting, trimming, cross sections along a curve, cut mesh by curve.
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Reference geometry objects like arcs, circles and custom WCSs.
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Mesh-surface comparison.
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Paths creation from curves, dynamic editing, loops tracking, multi-extension.
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Import/Export of DXF, IGES, Opton, Polygonia, STL, PLY, OBJ, Vertex Files…
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Native 64bit compatibility.
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Windows Vista ready.
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| OPTIONAL PACKAGES : |
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- REGISTRATION:Registration of point clouds or triangle meshes
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Manual Mesh Registration |
Merged Meshes |
- AUTOSURF: Autosurfacing package, mesh fitting by NURBS patches
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Autosurfacing |
Surfaces with Boundaries |
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Manual Patch Creation |
Resulting Surfaces |
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