opt_mesh.texi

@c
@c This file is generated automatically by running "gmsh -doc".
@c Do not edit by hand!
@c

@ftable @code
@item Mesh.Algorithm
2D mesh algorithm (1=MeshAdapt+Delaunay, 4=MeshAdapt, 5=Delaunay, 6=Frontal)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Algorithm3D
3D mesh algorithm (1=Tetgen+Delaunay, 4=Netgen)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.AngleSmoothNormals
Threshold angle below which normals are not smoothed@*
Default value: @code{30}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.AllowSwapAngle
Treshold angle (in degrees) between faces normals under which we allow an edge swap@*
Default value: @code{10}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.BdfFieldFormat
Field format for Nastran BDF files (0=free, 1=small, 2=large)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Binary
Write mesh files in binary format (if possible)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.C1Continuity
Impose C1 continuity to high order meshes (only valid in 2D plane and ElemenOrder = 2)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoArchitecture
(Adv. Chaco): Parallel architecture topology (0=hypercube, 1-3=mesh dimensions)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoEigensolver
(Adv. Chaco): Type of eigensolver for a spectral algorithm (0=Lanczos, 1=Multilevel RQI/Symmlq)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoEigTol
(Adv. Chaco): Tolerance of the eigensolver for spectral or multilevel-KL algorithms@*
Default value: @code{0.001}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoGlobalMethod
Chaco partitioning algorithm (1=Multilevel-KL, 2=Spectral, 4=Linear, 5=Random, 6=Scattered)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoHypercubeDim
(Adv. Chaco): Dimensional partitioning for a hypercube topology@*
Default value: @code{2}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoLocalMethod
(Adv. Chaco): Local partitioning algorithm@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoMeshDim1
(Adv. Chaco): Number of partitions in the first dimension of a mesh topology@*
Default value: @code{4}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoMeshDim2
(Adv. Chaco): Number of partitions in the second dimension of a mesh topology@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoMeshDim3
(Adv. Chaco): Number of partitions in the third dimension of a mesh topology@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoPartitionSection
(Adv. Chaco): Partition by (1=bisection, 2=quadrisection, 3=octasection@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoSeed
(Adv. Chaco): Seed for random number generator@*
Default value: @code{7.65432e+06}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoVMax
(Adv. Chaco): Maximum vertices in a coarse graph (for multilevel-KL algorithm and Multilevel RQI/Symmlq eigensolver)@*
Default value: @code{250}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoParamINTERNAL_VERTICES
(Adv. Chaco): Parameter INTERNAL_VERTICES@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoParamREFINE_MAP
(Adv. Chaco): Parameter REFINE_MAP@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoParamREFINE_PARTITION
(Adv. Chaco): Parameter REFINE_PARTITION@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ChacoParamTERMINAL_PROPOGATION
(Adv. Chaco): Parameter TERMINAL_PROPOGATION@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.CharacteristicLengthExtendFromBoundary
Extend characteristic lengths from the boundaries inside the surface/volume@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.CharacteristicLengthFactor
Factor applied to all characteristic lengths@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.CharacteristicLengthMin
Minimum characteristic length@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.CharacteristicLengthMax
Maximum characteristic length@*
Default value: @code{1e+22}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.CharacteristicLengthFromCurvature
Compute characteristic lengths from curvature@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.CharacteristicLengthFromPoints
Compute characteristic lengths from values given at geometry points@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Clip
Enable clipping planes? (Plane[i]=2^i, i=0,...,5)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.ColorCarousel
Mesh coloring (0=by element type, 1=by elementary entity, 2=by physical entity, 3=by partition)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.CpuTime
CPU time (in seconds) for the generation of the current mesh (read-only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.DrawSkinOnly
Draw only the skin of 3D meshes?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Dual
Display the dual mesh obtained by barycentric subdivision@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ElementOrder
Element order (1=linear elements, N (<6) = elements of higher order)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Explode
Element shrinking factor (between 0 and 1)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Format
Mesh output format (1=msh, 2=unv, 19=vrml, 27=stl, 30=mesh, 31=bdf, 32=cgns, 33=med)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Hexahedra
Display mesh hexahedra?@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.LabelsFrequency
Labels display frequency?@*
Default value: @code{100}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.LabelType
Type of element label (0=element number, 1=elementary entity number, 2=physical entity number, 3=partition number, 4=coordinates)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Light
Enable lighting for the mesh@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.LightLines
Enable lighting for mesh lines (element edges)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.LightTwoSide
Light both sides of surfaces (leads to slower rendering)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Lines
Display mesh lines (1D elements)?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.LineNumbers
Display mesh line numbers?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.LineWidth
Display width of mesh lines (in pixels)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.MeshOnlyVisible
Mesh only visible entities (experimental: use with caution!)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.MetisAlgorithm
METIS partitioning algorithm (1=Recursive, 2=K-way)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.MetisEdgeMatching
(Adv. METIS): Determines the matching type (1=Random, 2=Heavy-Edge, 3=Sorted Heavy-Edge)@*
Default value: @code{3}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.MetisRefinementAlgorithm
(Adv. METIS): Algorithm for k-way refinement (1=Random, 2=Greedy, 3=Random with minimized connectivity)@*
Default value: @code{3}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.MinimumCirclePoints
Minimum number of points used to mesh a circle@*
Default value: @code{7}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.MinimumCurvePoints
Minimum number of points used to mesh a (non-straight) curve@*
Default value: @code{3}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.MshFileVersion
Version of the MSH file format to use@*
Default value: @code{2}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.NbHexahedra
Number of hexahedra in the current mesh (read-only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.NbNodes
Number of nodes in the current mesh (read-only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.NbPartitions
Number of partitions@*
Default value: @code{4}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.NbPrisms
Number of prisms in the current mesh (read-only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.NbPyramids
Number of pyramids in the current mesh (read-only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.NbQuadrangles
Number of quadrangles in the current mesh (read-only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.NbTetrahedra
Number of tetrahedra in the current mesh (read-only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.NbTriangles
Number of triangles in the current mesh (read-only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.Normals
Display size of normal vectors (in pixels)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.NumSubEdges
Number of edge subdivisions when displaying high order elements@*
Default value: @code{2}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Optimize
Optimize the mesh to improve the quality of tetrahedral elements@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.OptimizeNetgen
Optimize the mesh using Netgen to improve the quality of tetrahedral elements@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Partitioner
Partitioner software (1=Chacho, 2=METIS)@*
Default value: @code{2}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Points
Display mesh vertices (nodes)?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.PointNumbers
Display mesh node numbers?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.PointSize
Display size of mesh vertices (in pixels)@*
Default value: @code{4}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.PointType
Display mesh vertices as solid color dots (0) or 3D spheres (1)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Prisms
Display mesh prisms?@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Pyramids
Display mesh pyramids?@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Quadrangles
Display mesh quadrangles?@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.QualityInf
Only display elements whose quality measure is greater than QualityInf@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.QualitySup
Only display elements whose quality measure is smaller than QualitySup@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.QualityType
Type of quality measure (0=gamma~vol/sum_face/max_edge, 1=eta~vol^(2/3)/sum_edge^2, 2=rho~min_edge/max_edge)@*
Default value: @code{2}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.RadiusInf
Only display elements whose longest edge is greater than RadiusInf@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.RadiusSup
Only display elements whose longest edge is smaller than RadiusSup@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.RandomFactor
Random factor used in 2D and 3D meshing algorithm (test other values when the algorithm fails)@*
Default value: @code{1e-09}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.RefineSteps
Number of refinement steps in the MeshAdapt-based 2D algorithms@*
Default value: @code{10}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.RecombineAlgo
Recombine algorithm (1=mixed triangles-quadrangles, 2=all quadrangles)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ReverseAllNormals
Reverse all the mesh normals (for display)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SaveAll
Ignore Physical definitions and save all elements@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.SaveParametric
Save parametric coordinates of nodes@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.SaveGroupsOfNodes
Save groups of nodes for each physical line and surface (UNV mesh format only)@*
Default value: @code{0}@*
Saved in: @code{-}

@item Mesh.ScalingFactor
Global scaling factor applied to the saved mesh@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SecondOrderExperimental
Use experimental code to generate second order mesh@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SecondOrderIncomplete
Create incomplete second order elements? (8-node quads, 20-node hexas, etc.)@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SecondOrderLinear
Should second order vertices simply be created by linear interpolation?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.LcIntegrationPrecision
Accuracy of evaluation of the LC field for 1D mesh generation@*
Default value: @code{1e-09}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Smoothing
Number of smoothing steps applied to the final mesh@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SmoothInternalEdges
Number of smoothing steps of internal edges for high order meshes@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SmoothNormals
Smooth the mesh normals?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SurfaceEdges
Display edges of surface mesh?@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SurfaceFaces
Display faces of surface mesh?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.SurfaceNumbers
Display surface mesh element numbers?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Tangents
Display size of tangent vectors (in pixels)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Tetrahedra
Display mesh tetrahedra?@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ToleranceEdgeLength
Skip a model edge in mesh generation if its length is less than user's defined tolerance@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Triangles
Display mesh triangles?@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.VolumeEdges
Display edges of volume mesh?@*
Default value: @code{1}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.VolumeFaces
Display faces of volume mesh?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.VolumeNumbers
Display volume mesh element numbers?@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Voronoi
Display the voronoi diagram@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.ZoneDefinition
Method for defining a zone (0=single zone, 1=by partition, 2=by physical)@*
Default value: @code{0}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Points
Mesh node color@*
Default value: @code{@{0,0,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.PointsSup
Second order mesh node color@*
Default value: @code{@{255,0,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Lines
Mesh line color@*
Default value: @code{@{0,0,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Triangles
Mesh triangle color (if Mesh.ColorCarousel=0)@*
Default value: @code{@{160,150,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Quadrangles
Mesh quadrangle color (if Mesh.ColorCarousel=0)@*
Default value: @code{@{130,120,225@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Tetrahedra
Mesh tetrahedron color (if Mesh.ColorCarousel=0)@*
Default value: @code{@{160,150,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Hexahedra
Mesh hexahedron color (if Mesh.ColorCarousel=0)@*
Default value: @code{@{130,120,225@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Prisms
Mesh prism color (if Mesh.ColorCarousel=0)@*
Default value: @code{@{232,210,23@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Pyramids
Mesh pyramid color (if Mesh.ColorCarousel=0)@*
Default value: @code{@{217,113,38@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Tangents
Tangent mesh vector color@*
Default value: @code{@{255,255,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Normals
Normal mesh vector color@*
Default value: @code{@{255,0,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Zero
Color 0 in color carousel@*
Default value: @code{@{255,120,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.One
Color 1 in color carousel@*
Default value: @code{@{255,160,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Two
Color 2 in color carousel@*
Default value: @code{@{255,200,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Three
Color 3 in color carousel@*
Default value: @code{@{255,240,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Four
Color 4 in color carousel@*
Default value: @code{@{228,255,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Five
Color 5 in color carousel@*
Default value: @code{@{188,255,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Six
Color 6 in color carousel@*
Default value: @code{@{148,255,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Seven
Color 7 in color carousel@*
Default value: @code{@{108,255,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Eight
Color 8 in color carousel@*
Default value: @code{@{68,255,0@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Nine
Color 9 in color carousel@*
Default value: @code{@{0,255,52@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Ten
Color 10 in color carousel@*
Default value: @code{@{0,255,132@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Eleven
Color 11 in color carousel@*
Default value: @code{@{0,255,192@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Twelve
Color 12 in color carousel@*
Default value: @code{@{0,216,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Thirteen
Color 13 in color carousel@*
Default value: @code{@{0,176,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Fourteen
Color 14 in color carousel@*
Default value: @code{@{0,116,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Fifteen
Color 15 in color carousel@*
Default value: @code{@{0,76,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Sixteen
Color 16 in color carousel@*
Default value: @code{@{24,0,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Seventeen
Color 17 in color carousel@*
Default value: @code{@{84,0,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Eighteen
Color 18 in color carousel@*
Default value: @code{@{104,0,255@}}@*
Saved in: @code{General.OptionsFileName}

@item Mesh.Color.Nineteen
Color 19 in color carousel@*
Default value: @code{@{184,0,255@}}@*
Saved in: @code{General.OptionsFileName}

@end ftable