Leios 2009 Specifications

Import Files
  • Leios Mesh imports all ASCII files and native formats from a variety of scanners
 
Output Files
  • CAD Formats: iges, sat, step
  • Point formats: asc, txt, dat, asd, scanner specific formats
  • Polygon formats: sty, vrml, obj, ply 
Edit
  • Undo and redo with no limits
  • Registration, alignment and merging of point clouds and meshes * Requires registration option
  • Transform point clouds, meshes, and entities
  • Shift, rotate, scale, mirror
 
Point Cloud
  • Eliminate and smoothen out measurement noise
  • Clean point cloud noise and redundancy
  • Point cloud filtering methods include stochastic, point density equalization, and curvature-dependent
Triangulation
  • Compute a triangle mesh from a point cloud
  • Import and repair corrupted STL files
  • Eliminate spike triangles, abnormal and irregular triangles
  • Non-manifold geometry correction
  • Mesh smoothing
  • Fix normals, flip normals, and mesh decimation
  • Fit selected mesh part to plane, cylinder, and sphere
  • Holes filling
  • Defeature
  • Fit boundary to curve
 
Edge Recognition
  • Edge Analysis: auto recognition of the model edges separating distinct regions
  • Automatic determination of the edge fillet radius
  • Modeling and fit tools
 
Create / Fit Primitives
  • Create a variety of primitive types including the following: Point, Vector, Circle, Arc, Plane, Cylinder, Cone, Sphere, Block
  • Create and edit wires
  • Create and edit NURBS surfaces * Requires Autosurf option
  • Create solids and reference entities * Requires Autosurf option
Patch Surface Fitting * Requires Autosurf option
  • Automatic autosurfacing
  • Create patch curve net
  • Fit patch surfaces
 
Automatic Analytical NURBS-Based Model Reconstruction * Requires Autosurf option
  • Reconstruct freeform or prismatic models
  • Dissection of the model onto separate faces
  • Reconstruction of the wireframe and sheet models
  • Recognition of analytical surfaces
  • Automatic edge blending
 
Analysis
  • Measurement of distances
  • Evaluation and visualization using NURBS models
  • Geometry reports