/usr/include/trilinos/DomainClassifier.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2008 Lawrence Livermore National Laboratory. Under
the terms of Contract B545069 with the University of Wisconsin --
Madison, Lawrence Livermore National Laboratory retains certain
rights in this software.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
(lgpl.txt) along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(2008) kraftche@cae.wisc.edu
***************************************************************** */
#ifndef MSQ_DOMAIN_CLASSIFIER_HPP
#define MSQ_DOMAIN_CLASSIFIER_HPP
/** \file DomainClassifier.hpp
* \brief
* \author Jason Kraftcheck
*/
#include "Mesquite.hpp"
#include "MeshInterface.hpp"
namespace MESQUITE_NS {
/**\brief Assign subsets of a mesh do different domains.
*
* Provide classification of mesh entities to domain(s). For
* example, given a domain defined by multiple surfaces and
* curves of intersection, associate the appropriate elements
* and vertices to the appropriate geometric entities.
*/
class DomainClassifier : public MeshDomain
{
public:
/**\brief Check that classification maps to B-Rep topology */
MESQUITE_EXPORT void test_valid_classification( Mesh* mesh, MsqError& err );
/**\brief Classify mesh entities using tag values
*
* Given a list of MeshDomain instances, a unique
* integer ID for each MeshDomain, and a tag name:
* classify mesh entities by matching the tag value
* on each mesh entity to the list of MeshDomain IDs.
*
*\param result DomainClassifier to popupate
*\param mesh The Mesquite::Mesh instance
*\param tag_name Tag containing integer domain ID for each mesh entity.
*\param domain_array Array of MeshDomain instances.
*\param id_array Array of integer MeshDomain IDs.
*\param array_length Length of 'domain_array' and 'id_array'
*/
static MESQUITE_EXPORT
void classify_by_tag( DomainClassifier& result,
Mesh* mesh,
const char* tag_name,
MeshDomain** domain_array,
const int* id_array,
unsigned array_length,
MsqError& err );
/**\brief Skin mesh and classify skin entities geometrically.
*
* Calculate the boundary of the mesh, and classify boundary
* entities by calculating the distance from the mesh domain
* to each vertex.
*
* NOTE: Mesquite's limited MeshDomain callback interface
* is not sufficient for robust geometric classification. If
* the mesh is not sufficiently refined, this method may produce
* invalid results.
*
* NOTE: This method should not be used for surface meshes.
* Everything in a surface mesh should be classified to a domain.
* not just the skin. Use classify_geometrically instead.
*
*\param result DomainClassifier to popupate
*\param mesh The Mesquite::Mesh instance
*\param tolerance Maximum distance a vertex may deviate from its domain.
*\param domain_array Array of MeshDomain instances.
*\param dimension_array Topological dimensiono of each MeshDomain
*\param array_length Length of 'domain_array' and 'dimension_array'
*/
MESQUITE_EXPORT static
void classify_skin_geometrically( DomainClassifier& result,
Mesh* mesh,
double tolerance,
MeshDomain** domain_array,
const int* dimension_array,
unsigned array_length,
MsqError& err );
/**\brief Classify all mesh entities geometrically.
*
* Classify entities by distance from vertex coordiantes to
* mesh domain instances.
*
* NOTE: Mesquite's limited MeshDomain callback interface
* is not sufficient for robust geometric classification. If
* the mesh is not sufficiently refined, this method may produce
* invalid results.
*
* NOTE: This method is likely to fail for many domains for
* volume meshes. Use classify_skin_geometrically for
* volume meshes.
*
*\param result DomainClassifier to popupate
*\param mesh The Mesquite::Mesh instance
*\param tolerance Maximum distance a vertex may deviate from its domain.
*\param domain_array Array of MeshDomain instances.
*\param dimension_array Topological dimensiono of each MeshDomain
*\param array_length Length of 'domain_array' and 'dimension_array'
*/
MESQUITE_EXPORT static
void classify_geometrically( DomainClassifier& result,
Mesh* mesh,
double tolerance,
MeshDomain** domain_array,
const int* dimension_array,
unsigned array_length,
MsqError& err );
struct DomainSet {
MESQUITE_EXPORT DomainSet( MeshDomain* dom ) : domain(dom) {}
MESQUITE_EXPORT DomainSet() : domain(0) {}
MeshDomain* domain;
MESQUITE_EXPORT void set_vertices( const std::vector<Mesh::VertexHandle>& verts )
{ vertices = verts; }
MESQUITE_EXPORT void set_elements( const std::vector<Mesh::ElementHandle>& elems )
{ elements = elems; }
MESQUITE_EXPORT void get_vertices( std::vector<Mesh::VertexHandle>& verts ) const
{ verts = vertices; }
MESQUITE_EXPORT void get_elements( std::vector<Mesh::ElementHandle>& elems ) const
{ elems = elements; }
std::vector<Mesh::VertexHandle> vertices;
std::vector<Mesh::ElementHandle> elements;
};
/**\brief Specify classification explicitly for each entity.
*
* For each mesh element and vertex that is classified to
* a domain, specify that classification explicitly.
*
*\param result DomainClassifier to popupate
*\param mesh The Mesquite::Mesh instance
*\param domain_set_array Array of DomainClassifier::DomainSet structs
* specifying for each MeshDomain: the
* domain instance and the elements and
* vertices associated with the domain.
*\param array_length Length of 'domain_set_array'
*/
MESQUITE_EXPORT static
void classify_by_handle( DomainClassifier& result,
Mesh* mesh,
DomainSet* domain_set_array,
unsigned array_length,
MsqError& err );
MESQUITE_EXPORT DomainClassifier() : deleteSubDomains(false)
{}
MESQUITE_EXPORT virtual ~DomainClassifier();
MESQUITE_EXPORT
virtual void snap_to(Mesh::VertexHandle entity_handle,
Vector3D &coordinate) const;
MESQUITE_EXPORT
virtual void vertex_normal_at(Mesh::VertexHandle entity_handle,
Vector3D &coordinate) const;
MESQUITE_EXPORT
virtual void element_normal_at(Mesh::ElementHandle entity_handle,
Vector3D &coordinate) const;
MESQUITE_EXPORT
virtual void vertex_normal_at( const Mesh::VertexHandle* handles,
Vector3D coordinates[],
unsigned count,
MsqError& err ) const;
MESQUITE_EXPORT
virtual void closest_point( Mesh::VertexHandle handle,
const Vector3D& position,
Vector3D& closest,
Vector3D& normal,
MsqError& err ) const;
MESQUITE_EXPORT
virtual void domain_DoF( const Mesh::VertexHandle* handle_array,
unsigned short* dof_array,
size_t num_handles,
MsqError& err ) const;
/**\brief Clear all data, including MeshDomain list */
MESQUITE_EXPORT
void clear() {
vertexList.clear();
elementList.clear();
}
struct DomainBlock {
Mesh::EntityHandle firstHandle;
Mesh::EntityHandle lastHandle;
MeshDomain* domain;
};
MESQUITE_EXPORT
MeshDomain* find_vertex_domain( Mesh::VertexHandle vertex ) const
{ return find_domain( vertex, vertexList ); }
MESQUITE_EXPORT
MeshDomain* find_element_domain( Mesh::ElementHandle element ) const
{ return find_domain( element, elementList ); }
MESQUITE_EXPORT
void delete_sub_domains(bool yesno)
{ deleteSubDomains = yesno; }
MESQUITE_EXPORT
void delete_all_sub_domains();
private:
bool deleteSubDomains;
static MeshDomain* find_domain( Mesh::EntityHandle handle,
const std::vector<DomainBlock>& list );
std::vector<DomainBlock> vertexList;
std::vector<DomainBlock> elementList;
};
} // namespace Mesquite
#endif // MSQ_DOMAIN_CLASSIFIER_HPP
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