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Namespace ae108::meshing::cppgmsh

Namespace List > ae108 > meshing > cppgmsh

Classes

Type Name
class Context
struct Node <Dimension>

Public Functions

Type Name
std::array< double, 16 > as_affine_transform (const std::array< double, 3 > & translation) noexcept
Returns affine transform (16 entries of a 4x4 matrix, by row) based on translation.
std::pair< int, int > construct_box (const std::array< double, 3 > origin, const std::array< double, 3 > side_lengths) noexcept
Constructs a parallelepipedic box using gmsh. Returns the entity.
std::vector< std::pair< int, int > > construct_cylinders (const std::vector< std::array< double, 3 > > & nodes, const std::vector< std::array< std::size_t, 2 > > & connectivity, const std::vector< double > & radii, const bool capped=true) noexcept
Constructs cylinders of differing radius from each segment using gmsh. Returns the entity.
std::pair< int, int > construct_polyhedron (const BoundaryRepresentation< SizeType, ValueType, 3 > & brep) noexcept
Constructs a solid polyhedron from a BoundaryRepresentation using gmsh. Returns the gmsh entity.
std::pair< int, int > construct_rectangle (const std::array< double, 3 > origin, const std::array< double, 2 > side_lengths, const double rounded_radius=0.) noexcept
Constructs a rectangle, with lower left corner at {x, y, z} and upper right corner at {x+dx,y+dy,z}. Returns the gmsh entity.
std::vector< std::pair< int, int > > copy_entities (const std::vector< std::pair< int, int > > & entities) noexcept
Copies the given entities and returns the copies.
std::tuple< std::vector< std::array< double, coordinate_dimension > >, std::vector< std::vector< std::size_t > >, std::map< std::size_t, std::size_t >, std::map< std::size_t, std::size_t > > extract_mesh (const std::size_t element_dimension=coordinate_dimension) noexcept
Extract mesh from Gmsh.
std::vector< std::pair< int, int > > extrude_entities (const std::vector< std::pair< int, int > > & entities, const std::array< double, 3 > & translation, const bool extrude_mesh=false, const int number_of_layers=1) noexcept
Extrudes the given entities along a translation vector. Returns the extruded entities.
std::pair< int, int > extrude_surface (const int surface_tag, const std::array< double, 3 > & from, const std::array< double, 3 > & to, const std::array< double, 3 > & surface_normal={{0, 0, 1}}) noexcept
Extrudes the surface entity from origin to target.
std::vector< std::pair< int, int > > fragment_entities (const std::vector< std::pair< int, int > > & entities) noexcept
Fuses the given entities, while keeping/creating a separate entity for each boolean fragment. All interfaces among the fragments are made conformal.
std::vector< std::pair< int, int > > fuse_entities (const std::vector< std::pair< int, int > > & entities) noexcept
Returns vector of fused entities.
void generate_mesh (const int dimension=3, const int order=1, const int algorithm=6) noexcept
Generate mesh. The mesh can be exported with extract_mesh.
std::vector< std::pair< int, int > > get_boundary_of (const std::vector< std::pair< int, int > > & entities, const bool recursive=false) noexcept
Returns boundary entities (dim-1) of the specified entities, or optionally the boundary points, if recursive = true.
std::array< double, 3 > get_centroid_of (const std::pair< int, int > & entity) noexcept
Returns the centroid coordinates of the entity.
std::array< double, 3 > get_coords_of (const int point_tag) noexcept
Returns coordinates of point.
std::vector< std::array< double, 3 > > get_coords_of (const std::vector< int > & point_tags) noexcept
Returns coordinates of points.
std::vector< std::pair< int, std::size_t > > get_elements_in (const std::pair< int, int > & entity) noexcept
Returns the element types and tags of the elements in the specified entity.
std::vector< std::pair< int, int > > get_entities_in (const BoundingBox< std::array< double, 3 > > & bounding_box, const int dimension, const double tol=1e-6) noexcept
Returns all entities of dimension inside of a bounding box.
std::vector< std::pair< int, int > > get_entities_in (const std::pair< int, int > & physical_group) noexcept
Returns all entities in the specified physical group.
std::vector< std::pair< int, int > > get_entities_of (const int dim=-1) noexcept
Returns all geometric entities of all or just the specified dimension.
std::vector< Node< Dimension > > get_nodes_of (const std::pair< int, int > & entity, const bool remove_duplicates=true) noexcept
Get the nodes of one or more entities. Optionally avoids duplicate nodes (e.g. on entity boundaries). Returns a vector of Nodes.
std::array< double, 3 > get_normal_of (const int surface_tag) noexcept
Returns the normal of a surface.
std::pair< std::vector< std::size_t >, std::vector< std::size_t > > get_periodic_nodes_of (const std::pair< int, int > & target_entity, std::pair< int, int > * source_entity=nullptr, std::array< double, 16 > * affine_transform=nullptr) noexcept
Returns the corresponding node tags of the target entity (out.first) and the source entity (out.second)
std::vector< std::pair< int, int > > get_physical_groups (const int dim=-1) noexcept
Returns the physical groups in the model.
std::vector< int > get_points_of (const std::pair< int, int > & entity) noexcept
Returns tags of all points of an entity.
void heal_periodic_domains (const BoundingBox< std::array< double, 3 > > & source, const BoundingBox< std::array< double, 3 > > & target, const double tol=1e-9) noexcept
Matches points between all periodic surfaces in the source and target domain. If a point on the source surface is missing on the target surface, it will be added to the target surface. Assumption: Source and target domain are translational periodic.
void heal_periodic_surfaces (const int source, const int target, const std::array< double, 3 > & translation, const double tol=1e-9) noexcept
Matches points between source and target surface. If a point on the source surface is missing on the target surface, it will be added to the target surface. Source and target surface are translational periodic.
std::vector< std::pair< int, int > > import_shapes (const std::string & fileName, const bool highestDimOnly=true) noexcept
Imports shapes from a BREP, STEP or IGES file.
std::vector< std::pair< int, int > > intersect_entities (const std::vector< std::pair< int, int > > & object_entities, const std::vector< std::pair< int, int > > & tool_entities, const bool remove_object=true, const bool remove_tool=true) noexcept
Returns vector of intersected entities.
void read_file (const std::string & path) noexcept
Reads a file. The export format is determined by the file extension (e.g. *.vtk).
void remove_entities (const std::vector< std::pair< int, int > > & entities, const bool recursive=false) noexcept
Removes the given entities.
void rotate_entities (const std::vector< std::pair< int, int > > & entities, const std::array< double, 3 > & center, const std::array< double, 3 > & direction, double angle) noexcept
Rotates the given entities.
void set_domain_entities_periodic (const BoundingBox< std::array< double, 3 > > & source, const BoundingBox< std::array< double, 3 > > & target, const int dim, const double tol=1e-9) noexcept
Set the meshes of the entities in domain target as periodic copies of the meshes of entities in domain source.
void set_expert_mode (const bool enable=true) noexcept
Enables/disables expert mode (to disable all the messages and user input requests meant for inexperienced users)
void set_granularity (const double granularity) noexcept
Sets the mesh element length scale.
void set_periodic (const std::vector< std::pair< int, int > > & target_entities, const std::pair< int, int > & source_entity, const std::array< double, 16 > & affine_transform) noexcept
Sets the mesh of all target entities as periodic copies of the source entity, using the affine transformation.
std::pair< int, int > set_physical_group_of (const std::vector< std::pair< int, int > > & entities) noexcept
Adds entities to a physical group. Returns the tag of the added group.
void synchronize () noexcept
Synchronize the built-in CAD representation with the current Gmsh model.
std::vector< std::pair< int, int > > translate_entities (std::vector< std::pair< int, int > > entities, const std::array< double, 3 > & translation, const bool copy=false) noexcept
Translates the given entities by a vector or makes a translated copy of the entities. Returns the translated entity.
void write_file (const std::string & path) noexcept
Writes a file.

Public Functions Documentation

function as_affine_transform

Returns affine transform (16 entries of a 4x4 matrix, by row) based on translation. 

std::array< double, 16 > ae108::meshing::cppgmsh::as_affine_transform (
    const std::array< double, 3 > & translation
) noexcept

Parameters:

  • translation The 3D translation vector.

function construct_box

Constructs a parallelepipedic box using gmsh. Returns the entity. 

std::pair< int, int > ae108::meshing::cppgmsh::construct_box (
    const std::array< double, 3 > origin,
    const std::array< double, 3 > side_lengths
) noexcept

Parameters:

  • origin Position of the box origin
  • side_lengths Side lengths of x-, y-, and z-side.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2398

function construct_cylinders

Constructs cylinders of differing radius from each segment using gmsh. Returns the entity. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::construct_cylinders (
    const std::vector< std::array< double, 3 > > & nodes,
    const std::vector< std::array< std::size_t, 2 > > & connectivity,
    const std::vector< double > & radii,
    const bool capped=true
) noexcept

Parameters:

  • nodes Node positions.
  • connectivity Nodal connectivity of each segment.
  • radii Radii of all segments.
  • capped Option to add a cap on each cylinder end.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2414

function construct_polyhedron

Constructs a solid polyhedron from a BoundaryRepresentation using gmsh. Returns the gmsh entity. 

template<class SizeType, class ValueType>
std::pair< int, int > ae108::meshing::cppgmsh::construct_polyhedron (
    const BoundaryRepresentation < SizeType, ValueType, 3 > & brep
) noexcept

Parameters:

  • brep A boundary representation containing the polyhedron.

function construct_rectangle

Constructs a rectangle, with lower left corner at {x, y, z} and upper right corner at {x+dx,y+dy,z}. Returns the gmsh entity. 

std::pair< int, int > ae108::meshing::cppgmsh::construct_rectangle (
    const std::array< double, 3 > origin,
    const std::array< double, 2 > side_lengths,
    const double rounded_radius=0.
) noexcept

Parameters:

  • origin Position of the rectangle origin {x,y,z}.
  • side_lengths Side lengths: {dx,dy}, {dy,dz} or {dx,dz}, according to plane.
  • rounded_radius If > 0 the corners are rounded.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2229

function copy_entities

Copies the given entities and returns the copies. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::copy_entities (
    const std::vector< std::pair< int, int > > & entities
) noexcept

Parameters:

  • entities Original entities.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2729

function extract_mesh

Extract mesh from Gmsh. 

template<std::size_t coordinate_dimension>
std::tuple< std::vector< std::array< double, coordinate_dimension > >, std::vector< std::vector< std::size_t > >, std::map< std::size_t, std::size_t >, std::map< std::size_t, std::size_t > > ae108::meshing::cppgmsh::extract_mesh (
    const std::size_t element_dimension=coordinate_dimension
) noexcept

Parameters:

  • element_dimension dimension of the elements of interest.

function extrude_entities

Extrudes the given entities along a translation vector. Returns the extruded entities. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::extrude_entities (
    const std::vector< std::pair< int, int > > & entities,
    const std::array< double, 3 > & translation,
    const bool extrude_mesh=false,
    const int number_of_layers=1
) noexcept

Parameters:

  • entities Entities to extrude_entities.
  • translation Extrusion vector.
  • extrude_mesh If true, the mesh of the base area of the extruded bodies will be extruded as well, i.e. the same layer of 3D elements will be repeated several times. Otherwise, The bodies are meshed as general 3D bodies.
  • number_of_layers Number of element layers (if extrude_mesh is true).

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2514

function extrude_surface

Extrudes the surface entity from origin to target. 

std::pair< int, int > ae108::meshing::cppgmsh::extrude_surface (
    const int surface_tag,
    const std::array< double, 3 > & from,
    const std::array< double, 3 > & to,
    const std::array< double, 3 > & surface_normal={{0, 0, 1}}
) noexcept

Parameters:

  • surface_tag Tag of the surface defining the cross-section in xy-plane.
  • from Position of the origin.
  • to Position of the target.
  • surface_normal Normal of the surface.

function fragment_entities

Fuses the given entities, while keeping/creating a separate entity for each boolean fragment. All interfaces among the fragments are made conformal. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::fragment_entities (
    const std::vector< std::pair< int, int > > & entities
) noexcept

Parameters:

  • entities Separate entities.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2651

function fuse_entities

Returns vector of fused entities. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::fuse_entities (
    const std::vector< std::pair< int, int > > & entities
) noexcept

Parameters:

  • entities Seperate entities.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2600

function generate_mesh

Generate mesh. The mesh can be exported with extract_mesh. 

void ae108::meshing::cppgmsh::generate_mesh (
    const int dimension=3,
    const int order=1,
    const int algorithm=6
) noexcept

Parameters:

  • dimension The desired meshing dimension (e.g. volume (3) or surface (2) mesh).
  • order The desired element order. See gmsh docs.
  • algorithm The desired meshing algorithm. See gmsh docs.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L585

function get_boundary_of

Returns boundary entities (dim-1) of the specified entities, or optionally the boundary points, if recursive = true. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::get_boundary_of (
    const std::vector< std::pair< int, int > > & entities,
    const bool recursive=false
) noexcept

Parameters:

  • entities Entities of interest.
  • recursive If true, returns boundary points (dim=0).

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L284

function get_centroid_of

Returns the centroid coordinates of the entity. 

std::array< double, 3 > ae108::meshing::cppgmsh::get_centroid_of (
    const std::pair< int, int > & entity
) noexcept

Parameters:

  • entity The point tag.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2834

function get_coords_of

Returns coordinates of point. 

std::array< double, 3 > ae108::meshing::cppgmsh::get_coords_of (
    const int point_tag
) noexcept

Parameters:

  • point_tag The point tag.

function get_coords_of

Returns coordinates of points. 

std::vector< std::array< double, 3 > > ae108::meshing::cppgmsh::get_coords_of (
    const std::vector< int > & point_tags
) noexcept

Parameters:

  • point_tags The point tags.

function get_elements_in

Returns the element types and tags of the elements in the specified entity. 

std::vector< std::pair< int, std::size_t > > ae108::meshing::cppgmsh::get_elements_in (
    const std::pair< int, int > & entity
) noexcept

Parameters:

  • entity The entity {dim, tag}.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L771

function get_entities_in

Returns all entities of dimension inside of a bounding box. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::get_entities_in (
    const BoundingBox < std::array< double, 3 > > & bounding_box,
    const int dimension,
    const double tol=1e-6
) noexcept

Parameters:

  • bounding_box The bounding box or search domain.
  • dimension Entity dimension, i.e 3-volume, 2-surface, 1-line, 0-point
  • tol Spatial tolerance.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L307

function get_entities_in

Returns all entities in the specified physical group. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::get_entities_in (
    const std::pair< int, int > & physical_group
) noexcept

Parameters:

  • physical_group The physical group {dim, tag}.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L230

function get_entities_of

Returns all geometric entities of all or just the specified dimension. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::get_entities_of (
    const int dim=-1
) noexcept

Parameters:

  • dim The dimension of interest. If < 0, the entities of all dimensions are returned.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2792

function get_nodes_of

Get the nodes of one or more entities. Optionally avoids duplicate nodes (e.g. on entity boundaries). Returns a vector of Nodes. 

template<std::size_t Dimension>
std::vector< Node < Dimension > > ae108::meshing::cppgmsh::get_nodes_of (
    const std::pair< int, int > & entity,
    const bool remove_duplicates=true
) noexcept

Parameters:

  • dim The dimension of the model entities of interest. Set to < 0 to get all nodes of the mesh.
  • tag The tag of the model entity of interest. Set to < 0 to get the nodes of all entities of dimension dim.
  • remove_duplicates If true, node duplicates are removed.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L662

function get_normal_of

Returns the normal of a surface. 

std::array< double, 3 > ae108::meshing::cppgmsh::get_normal_of (
    const int surface_tag
) noexcept

Parameters:

  • surface_tag The surface tag.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L462

function get_periodic_nodes_of

Returns the corresponding node tags of the target entity (out.first) and the source entity (out.second) 

std::pair< std::vector< std::size_t >, std::vector< std::size_t > > ae108::meshing::cppgmsh::get_periodic_nodes_of (
    const std::pair< int, int > & target_entity,
    std::pair< int, int > * source_entity=nullptr,
    std::array< double, 16 > * affine_transform=nullptr
) noexcept

Parameters:

  • target_entity Target entity.
  • source_entity Optional output of the source entity.
  • affine_transform Optional output of the affine transformation.

function get_physical_groups

Returns the physical groups in the model. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::get_physical_groups (
    const int dim=-1
) noexcept

Parameters:

  • dim The dimension of the physical groups to return, if < 0, the groups of all dimensions are returned.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L223

function get_points_of

Returns tags of all points of an entity. 

std::vector< int > ae108::meshing::cppgmsh::get_points_of (
    const std::pair< int, int > & entity
) noexcept

Parameters:

  • entity The entity.

function heal_periodic_domains

Matches points between all periodic surfaces in the source and target domain. If a point on the source surface is missing on the target surface, it will be added to the target surface. Assumption: Source and target domain are translational periodic. 

void ae108::meshing::cppgmsh::heal_periodic_domains (
    const BoundingBox < std::array< double, 3 > > & source,
    const BoundingBox < std::array< double, 3 > > & target,
    const double tol=1e-9
) noexcept

Parameters:

  • source Source domain spanned by a bounding box.
  • target Target domain spanned by a bounding box.
  • tol Tolerance for point matching.

function heal_periodic_surfaces

Matches points between source and target surface. If a point on the source surface is missing on the target surface, it will be added to the target surface. Source and target surface are translational periodic. 

void ae108::meshing::cppgmsh::heal_periodic_surfaces (
    const int source,
    const int target,
    const std::array< double, 3 > & translation,
    const double tol=1e-9
) noexcept

Parameters:

  • source Source surface tag.
  • target Target surface tag.
  • translation Translation vector from source to target.
  • tol Tolerance for point matching.

function import_shapes

Imports shapes from a BREP, STEP or IGES file. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::import_shapes (
    const std::string & fileName,
    const bool highestDimOnly=true
) noexcept

Parameters:

  • fileName Name of the imported file.
  • highestDimOnly If true, only the highest dimensional entities are imported.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2770

function intersect_entities

Returns vector of intersected entities. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::intersect_entities (
    const std::vector< std::pair< int, int > > & object_entities,
    const std::vector< std::pair< int, int > > & tool_entities,
    const bool remove_object=true,
    const bool remove_tool=true
) noexcept

Parameters:

  • object_entities Object entities.
  • tool_entities Tool entities.
  • remove_object If true, the object entities will be removed after the intersection was performed.
  • remove_tool If true, the tool entities will be removed after the intersection was performed.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2616

function read_file

Reads a file. The export format is determined by the file extension (e.g. *.vtk). 

void ae108::meshing::cppgmsh::read_file (
    const std::string & path
) noexcept

Parameters:

  • path The file name.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L77

function remove_entities

Removes the given entities. 

void ae108::meshing::cppgmsh::remove_entities (
    const std::vector< std::pair< int, int > > & entities,
    const bool recursive=false
) noexcept

Parameters:

  • entities Entities to remove.
  • recursive If true, all entities on the boundaries of the given entity are removed as well, down to dimension 0 (points).

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2737

function rotate_entities

Rotates the given entities. 

void ae108::meshing::cppgmsh::rotate_entities (
    const std::vector< std::pair< int, int > > & entities,
    const std::array< double, 3 > & center,
    const std::array< double, 3 > & direction,
    double angle
) noexcept

Parameters:

  • entities Entities to rotate.
  • center Center of rotation.
  • direction Direction of the axis of rotation.
  • angle Angle of rotation measured in radians.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2673

function set_domain_entities_periodic

Set the meshes of the entities in domain target as periodic copies of the meshes of entities in domain source. 

void ae108::meshing::cppgmsh::set_domain_entities_periodic (
    const BoundingBox < std::array< double, 3 > > & source,
    const BoundingBox < std::array< double, 3 > > & target,
    const int dim,
    const double tol=1e-9
) noexcept

Parameters:

  • source Source domain.
  • target Target domain.
  • dim Dimension of the entities (1 or 2).
  • tol Spatial tolerance for entity matching.

function set_expert_mode

Enables/disables expert mode (to disable all the messages and user input requests meant for inexperienced users) 

void ae108::meshing::cppgmsh::set_expert_mode (
    const bool enable=true
) noexcept

Parameters:

  • enable Specifies if the expert mode should be enabled (true) or disabled (false).

function set_granularity

Sets the mesh element length scale. 

void ae108::meshing::cppgmsh::set_granularity (
    const double granularity
) noexcept

Parameters:

  • granularity The desired maximum mesh size for the volume mesh.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L1225

function set_periodic

Sets the mesh of all target entities as periodic copies of the source entity, using the affine transformation. 

void ae108::meshing::cppgmsh::set_periodic (
    const std::vector< std::pair< int, int > > & target_entities,
    const std::pair< int, int > & source_entity,
    const std::array< double, 16 > & affine_transform
) noexcept

The function supportes line (dim=1) and surface (dim=2) entities. Target and surface entity need to have the same dimension.

Parameters:

  • target_entities Target entities.
  • source_entity Source entity.
  • affine_transform Affine transformation matrix (4x4 matrix, by row)

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L1423

function set_physical_group_of

Adds entities to a physical group. Returns the tag of the added group. 

std::pair< int, int > ae108::meshing::cppgmsh::set_physical_group_of (
    const std::vector< std::pair< int, int > > & entities
) noexcept

Parameters:

  • dim The dimension of the model entities to be grouped.
  • tags The tags of the model entities to be grouped.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L247

function synchronize

Synchronize the built-in CAD representation with the current Gmsh model. 

void ae108::meshing::cppgmsh::synchronize () noexcept

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L1983

function translate_entities

Translates the given entities by a vector or makes a translated copy of the entities. Returns the translated entity. 

std::vector< std::pair< int, int > > ae108::meshing::cppgmsh::translate_entities (
    std::vector< std::pair< int, int > > entities,
    const std::array< double, 3 > & translation,
    const bool copy=false
) noexcept

Parameters:

  • entities Entities to translate.
  • translation translation vector.
  • copy It true, a copy of the entities is translated.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L2663

function write_file

Writes a file. 

void ae108::meshing::cppgmsh::write_file (
    const std::string & path
) noexcept

Parameters:

  • path The bounding box or search domain.

Note:

https://gitlab.onelab.info/gmsh/gmsh/-/blob/gmsh_4_8_4/api/gmsh.h#L89

The documentation for this class was generated from the following file meshing/src/include/ae108/meshing/cppgmsh/as_affine_transform.h