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gmsh_4_7_0Release Gmsh 4.7.0
Changelog
API errors now throw exceptions with the last error message (instead of an integer error code); API functions now print messages on the terminal by default, and throw exceptions on all errors unless in interactive mode; new API functions to retrieve homogeneous model-based data (for improved Python performance), to set interpolation matrices for high-order datasets, to assign automatic transfinite meshing constraints and to pass native (C++, C, Python or Julia) mesh size callback; added option to save high-order periodic nodes info; added support for scripted window splitting; improved VTK reader; new MatrixOfInertia command; added support for Unicode command line arguments on Windows; uniformized commands, options and field option names to match the documented terminology (CharacteristicLength -> MeshSize, geometry Line -> Curve, ...; old names are still accepted, but deprecated); improved handling of complex periodic cases; removed bundled Mmg3D and added support for stock Mmg 5; Gmsh now requires C++11 and CMake 3.1, and uses Eigen by default instead of Blas/Lapack for dense linear algebra; small bug fixes.
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gmsh_4_6_0Release Gmsh 4.6.0
Changelog
New options to only generate initial 2D or 3D meshes (without node insertion), and to only mesh non-meshed entities; added ability to only remesh parts of discrete models; added support for mesh size fields and embedded entities in HXT; improved reparametrization and partitioning code; new OCC API functions to reduce the number of synchronizations for complex models; new OCC spline surface interfaces; new functions and options to control the first tag of entities, nodes and elements; fixed duplicated entities in STEP output; improved mesh subdivision and high-order pipeline; MED output now preserves node and element tags; small bug fixes.
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gmsh_4_5_6Release Gmsh 4.5.6
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gmsh_4_5_5Release Gmsh 4.5.5
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gmsh_4_5_3Release Gmsh 4.5.3
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gmsh_4_5_2Release Gmsh 4.5.2
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gmsh_4_5_1Release Gmsh 4.5.1
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gmsh_4_5_0Release Gmsh 4.5.0
Changelog
Changed default 2D meshing algorithm to Frontal-Delaunay; new compound Spline/BSpline commands; new MeshSizeFromBoundary command; new CGNS importer/exporter; new X3D exporter for geometries and meshes; improved surface mesh reclassification; new separate option to govern curvature adapted meshes (Mesh.MinimumElementsPerTwoPi and -clcurve val); improved handling of anisotropic surface meshes in 3D Delaunay; improved high-order periodic meshing; improved 2D boolean unions; file chooser type is now changeable at runtime; FLTK GUI can now be created and destroyed at will through the API; fixed regression in MeshAdapt for non-periodic surfaces with singularities; combining views now copies options; added API support for mesh compounds, per-surface mesh algorithm and mesh size from boundary; renamed plugin AnalyseCurvedMesh to AnalyseMeshQuality; fixed regression for built-in kernel BSplines on non-flat geometries (Sphere, PolarSphere); small fixes and improvements.
- Incompatible API changes: removed mesh/smooth (now handled by mesh/optimize like all other mesh optimizers); renamed logger/time to logger/getWallTime and logger/cputime to logger/getCpuTime; new arguments to mesh/optimize, mesh/getElementProperties and occ/healShapes; added optional argument to mesh/classifySurfaces and view/combine.
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gmsh_4_4_1 protectedRelease Gmsh 4.4.1
Changelog
Small improvements (transfinite with degenerate curves, renumbering for some mesh formats, empty MSH file sections, tunable accuracy of compound meshes) and bug fixes (ellipse < pi, orientation and reclassification of compound parts, serendip pyramids, periodic MeshAdapt robustness, invalidate cache after mesh/addNodes).
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gmsh_4_4_0 protectedRelease Gmsh 4.4.0
Changelog
New STL remeshing workflow (with new ClassifySurfaces command in .geo files); added API support for color options, mesh optimization, recombination, smoothing and shape healing; exposed additional METIS options; improved support for periodic entities (multiple curves with the same start/end points, legacy MSH2 format, periodic surfaces with embedded entities); added mesh renumbering also after interactive mesh modifications; improved support for OpenCASCADE ellipse arcs; new interactive filter in visibility window; flatter GUI; small bug fixes.
- Incompatible API changes: mesh/getJacobians and mesh/getBasisFunctions now take integration points explicitely; mesh/setNodes and mesh/setElements have been replaced by mesh/addNodes and mesh/addElements; added optional arguments to mesh/classifySurfaces and occ/addSurfaceLoop; changed arguments of occ/addEllipseArc to follow geo/addEllipseArc.
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gmsh_4_3_0 protectedRelease Gmsh 4.3.0
Changelog
Improved meshing of surfaces with singular parametrizations; added API support for aliasing and combining views, copying view options, setting point coordinates, extruding built-in CAD entities along normals and retrieving mass, center of mass and inertia from OpenCASCADE CAD entities; fixed regression introduced in 4.1.4 that could lead to non-deterministic 2D meshes; small bug fixes.
- Incompatible API changes: added optional arguments to mesh/getNodes and mesh/getElementByCoordinates
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gmsh_4_2_0 protectedRelease Gmsh 4.2.0
Changelog
New MSH4.1 revision of the MSH file format, with support for size_t node and element tags (see the reference manual for detailed changes); added support for reading STEP labels and colors with OCC CAF; changed default Geometry.OCCTargetUnit value to none (i.e. use STEP file coordinates as-is, without conversion); improved high-order mesh optimization; added ability to import groups of nodes from MED files; enhanced Plugin(Distance) and Plugin(SimplePartition); removed unmaintained plugins; removed default dependency on PETSc; small improvements and bug fixes.
- Incompatible API changes: changed type of node and element tags from int to size_t to support (very) large meshes; changed logger/start, mesh/getPeriodicNodes and mesh/setElementsByType.