Public Member Functions | |
TriangleMeshReader (const std::string &filename, const MeshType &meshType, int verbosity=0, const MPIComm &comm=MPIComm::world()) | |
TriangleMeshReader (const ParameterList ¶ms) | |
virtual | ~TriangleMeshReader () |
virtual Mesh | fillMesh () const |
virtual std::string | description () const |
virtual RCP< MeshSourceBase > | getRcp () |
Private Member Functions | |
void | readParallelInfo (Array< int > &ptGID, Array< int > &ptOwner, Array< int > &elemGID, Array< int > &elemOwner) const |
Mesh | readNodes (Array< int > &ptGID, Array< int > &ptOwner) const |
void | readSides (Mesh &mesh) const |
void | readElems (Mesh &mesh, const Array< int > &nodeGID, Array< int > &elemGID, Array< int > &elemOwner) const |
Private Attributes | |
std::string | nodeFilename_ |
std::string | elemFilename_ |
std::string | parFilename_ |
std::string | sideFilename_ |
int | offset_ |
.node
files and element information in .ele
files. The filename
constructor argument is the stem of the filenames, and so that a reader constructed with filename joe
will look for node and element data in joe.node
and joe.ele
respectively. Node and element attributes are read if present, and can be accessed with the getAttributes()
method of MeshSource.
We have extended the Triangle format to deal with distributed meshes. A TriangleMeshReader is constructed with an MPIComm object, and if that communicator has more than one processor the mesh is assumed to be split into files, one for each processor. Data on mesh "joe" for the nnn-th processor will be found in the files
joe.node.
nnn joe.ele.
nnn joe.par.
nnn .node.
nnn and .ele.
nnn files contain the node and element data for the part of the mesh seen by the nnn-th processor. The node and element numberings given in those two files are local indexes. The .par.
nnn contains node and element ownership information for the part of the mesh seen by the nnn-th processor.
A .par
file is formatted as follows:
rank numProcs
numPoints
ptLID ptGID ptOwnerRank
numElems
elemLID elemGID elemOwnerRank
Definition at line 89 of file SundanceTriangleMeshReader.hpp.
TriangleMeshReader::TriangleMeshReader | ( | const std::string & | filename, | |
const MeshType & | meshType, | |||
int | verbosity = 0 , |
|||
const MPIComm & | comm = MPIComm::world() | |||
) |
Definition at line 12 of file SundanceTriangleMeshReader.cpp.
References elemFilename_, Sundance::MeshSourceBase::myRank(), nodeFilename_, Sundance::MeshSourceBase::nProc(), parFilename_, sideFilename_, SUNDANCE_OUT, Sundance::toString(), and Playa::ObjectWithVerbosity::verb().
TriangleMeshReader::TriangleMeshReader | ( | const ParameterList & | params | ) |
Construct from a ParameterList
Definition at line 47 of file SundanceTriangleMeshReader.cpp.
References elemFilename_, Sundance::MeshSourceBase::myRank(), nodeFilename_, Sundance::MeshSourceBase::nProc(), parFilename_, SUNDANCE_OUT, Sundance::toString(), and Playa::ObjectWithVerbosity::verb().
virtual Sundance::TriangleMeshReader::~TriangleMeshReader | ( | ) | [inline, virtual] |
virtual dtor
Definition at line 102 of file SundanceTriangleMeshReader.hpp.
virtual std::string Sundance::TriangleMeshReader::description | ( | ) | const [inline, virtual] |
Print a short descriptive std::string
Reimplemented from Sundance::MeshSourceBase.
Definition at line 109 of file SundanceTriangleMeshReader.hpp.
References Sundance::MeshReaderBase::filename().
Mesh TriangleMeshReader::fillMesh | ( | ) | const [virtual] |
Create a mesh
Implements Sundance::MeshSourceBase.
Definition at line 76 of file SundanceTriangleMeshReader.cpp.
References Sundance::Mesh::freezeTopology(), readElems(), readNodes(), readParallelInfo(), and readSides().
virtual RCP<MeshSourceBase> Sundance::TriangleMeshReader::getRcp | ( | ) | [inline, virtual] |
Return a ref count pointer to self
Implements Playa::Handleable< MeshSourceBase >.
Definition at line 114 of file SundanceTriangleMeshReader.hpp.
void TriangleMeshReader::readElems | ( | Mesh & | mesh, | |
const Array< int > & | nodeGID, | |||
Array< int > & | elemGID, | |||
Array< int > & | elemOwner | |||
) | const [private] |
Definition at line 345 of file SundanceTriangleMeshReader.cpp.
References Sundance::Mesh::addElement(), Sundance::MeshReaderBase::atof(), Sundance::MeshReaderBase::atoi(), Sundance::MeshSourceBase::elemAttributes(), elemFilename_, Sundance::MeshReaderBase::getNextLine(), Sundance::MeshSourceBase::nProc(), offset_, Sundance::MeshReaderBase::openFile(), parFilename_, Sundance::Mesh::spatialDim(), and SUNDANCE_TRACE.
Referenced by fillMesh().
Mesh TriangleMeshReader::readNodes | ( | Array< int > & | ptGID, | |
Array< int > & | ptOwner | |||
) | const [private] |
Definition at line 222 of file SundanceTriangleMeshReader.cpp.
References Sundance::Mesh::addVertex(), Sundance::MeshReaderBase::atof(), Sundance::MeshReaderBase::atoi(), Sundance::MeshSourceBase::createMesh(), Sundance::dimension(), Sundance::MeshReaderBase::getNextLine(), Sundance::MeshSourceBase::nodeAttributes(), nodeFilename_, Sundance::MeshSourceBase::nProc(), offset_, Sundance::MeshReaderBase::openFile(), parFilename_, SUNDANCE_OUT, and Playa::ObjectWithVerbosity::verb().
Referenced by fillMesh().
void TriangleMeshReader::readParallelInfo | ( | Array< int > & | ptGID, | |
Array< int > & | ptOwner, | |||
Array< int > & | elemGID, | |||
Array< int > & | elemOwner | |||
) | const [private] |
Definition at line 98 of file SundanceTriangleMeshReader.cpp.
References Sundance::MeshReaderBase::atoi(), Sundance::MeshReaderBase::getNextLine(), Sundance::MeshSourceBase::myRank(), Sundance::MeshSourceBase::nProc(), Sundance::MeshReaderBase::openFile(), parFilename_, SUNDANCE_OUT, SUNDANCE_TRACE, and Playa::ObjectWithVerbosity::verb().
Referenced by fillMesh().
void TriangleMeshReader::readSides | ( | Mesh & | mesh | ) | const [private] |
Definition at line 448 of file SundanceTriangleMeshReader.cpp.
References Sundance::MeshReaderBase::atoi(), Sundance::Mesh::facetLID(), Sundance::MeshReaderBase::getNextLine(), Sundance::Mesh::hasGID(), Sundance::Mesh::mapGIDToLID(), Sundance::MeshReaderBase::openFile(), Sundance::Mesh::setLabel(), sideFilename_, Sundance::Mesh::spatialDim(), SUNDANCE_TRACE, and SUNDANCE_VERB_LOW.
Referenced by fillMesh().
std::string Sundance::TriangleMeshReader::elemFilename_ [private] |
Definition at line 138 of file SundanceTriangleMeshReader.hpp.
Referenced by readElems(), and TriangleMeshReader().
std::string Sundance::TriangleMeshReader::nodeFilename_ [private] |
Definition at line 135 of file SundanceTriangleMeshReader.hpp.
Referenced by readNodes(), and TriangleMeshReader().
int Sundance::TriangleMeshReader::offset_ [mutable, private] |
Definition at line 147 of file SundanceTriangleMeshReader.hpp.
Referenced by readElems(), and readNodes().
std::string Sundance::TriangleMeshReader::parFilename_ [private] |
Definition at line 141 of file SundanceTriangleMeshReader.hpp.
Referenced by readElems(), readNodes(), readParallelInfo(), and TriangleMeshReader().
std::string Sundance::TriangleMeshReader::sideFilename_ [private] |
Definition at line 144 of file SundanceTriangleMeshReader.hpp.
Referenced by readSides(), and TriangleMeshReader().