Open CASCADE Technology: BRepMesh_DataStructureOfDelaun Class Reference

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BRepMesh_DataStructureOfDelaun Class Reference

Describes the data structure necessary for the mesh algorithms in two dimensions plane or on surface by meshing in UV space. More...

`#include <BRepMesh_DataStructureOfDelaun.hxx>`

Inheritance diagram for BRepMesh_DataStructureOfDelaun:
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## Public Member Functions
| BRepMesh_DataStructureOfDelaun (const Handle< NCollection_IncAllocator > &theAllocator, const Standard_Integer theReservedNodeSize=100)
| Constructor. More...
API for accessing mesh nodes.
Standard_Integer | NbNodes () const
| Returns number of nodes. More...
Standard_Integer | AddNode (const BRepMesh_Vertex &theNode, const Standard_Boolean isForceAdd=Standard_False)
| Adds node to the mesh if it is not already in the mesh. More...
Standard_Integer | IndexOf (const BRepMesh_Vertex &theNode)
| Finds the index of the given node. More...
const BRepMesh_Vertex & | GetNode (const Standard_Integer theIndex)
| Get node by the index. More...
const BRepMesh_Vertex & | operator() (const Standard_Integer theIndex)
| Alias for GetNode. More...
Standard_Boolean | SubstituteNode (const Standard_Integer theIndex, const BRepMesh_Vertex &theNewNode)
| Substitutes the node with the given index by new one. More...
void | RemoveNode (const Standard_Integer theIndex, const Standard_Boolean isForce=Standard_False)
| Removes node from the mesh in case if it has no connected links and its type is Free. More...
const BRepMesh::ListOfInteger & | LinksConnectedTo (const Standard_Integer theIndex) const
| Get list of links attached to the node with the given index. More...
API for accessing mesh links.
Standard_Integer | NbLinks () const
| Returns number of links. More...
Standard_Integer | AddLink (const BRepMesh_Edge &theLink)
| Adds link to the mesh if it is not already in the mesh. More...
Standard_Integer | IndexOf (const BRepMesh_Edge &theLink) const
| Finds the index of the given link. More...
const BRepMesh_Edge & | GetLink (const Standard_Integer theIndex)
| Get link by the index. More...
const BRepMesh::MapOfInteger & | LinksOfDomain () const
| Returns map of indices of links registered in mesh. More...
Standard_Boolean | SubstituteLink (const Standard_Integer theIndex, const BRepMesh_Edge &theNewLink)
| Substitutes the link with the given index by new one. More...
void | RemoveLink (const Standard_Integer theIndex, const Standard_Boolean isForce=Standard_False)
| Removes link from the mesh in case if it has no connected elements and its type is Free. More...
const BRepMesh_PairOfIndex & | ElementsConnectedTo (const Standard_Integer theLinkIndex) const
| Returns indices of elements conected to the link with the given index. More...
API for accessing mesh elements.
Standard_Integer | NbElements () const
| Returns number of links. More...
Standard_Integer | AddElement (const BRepMesh_Triangle &theElement)
| Adds element to the mesh if it is not already in the mesh. More...
Standard_Integer | IndexOf (const BRepMesh_Triangle &theElement) const
| Finds the index of the given element. More...
const BRepMesh_Triangle & | GetElement (const Standard_Integer theIndex)
| Get element by the index. More...
const BRepMesh::MapOfInteger & | ElementsOfDomain () const
| Returns map of indices of elements registered in mesh. More...
Standard_Boolean | SubstituteElement (const Standard_Integer theIndex, const BRepMesh_Triangle &theNewElement)
| Substitutes the element with the given index by new one. More...
void | RemoveElement (const Standard_Integer theIndex)
| Removes element from the mesh. More...
void | ElementNodes (const BRepMesh_Triangle &theElement, Standard_Integer(&theNodes)[3])
| Returns indices of nodes forming the given element. More...
Public Member Functions inherited from Standard_Transient
| Standard_Transient ()
| Empty constructor. More...
| Standard_Transient (const Standard_Transient &)
| Copy constructor – does nothing. More...
Standard_Transient & | operator= (const Standard_Transient &)
| Assignment operator, needed to avoid copying reference counter. More...
virtual | ~Standard_Transient ()
| Destructor must be virtual. More...
virtual void | Delete () const
| Memory deallocator for transient classes. More...
virtual const Handle_Standard_Type & | DynamicType () const
| Returns a type information object about this object. More...
Standard_Boolean | IsInstance (const Handle_Standard_Type &theType) const
| Returns a true value if this is an instance of Type. More...
Standard_Boolean | IsInstance (const Standard_CString theTypeName) const
| Returns a true value if this is an instance of TypeName. More...
Standard_Boolean | IsKind (const Handle_Standard_Type &theType) const
| Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
Standard_Boolean | IsKind (const Standard_CString theTypeName) const
| Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
virtual Handle_Standard_Transient | This () const
| Returns a Handle which references this object. Must never be called to objects created in stack. More...
Standard_Integer | GetRefCount () const
| Get the reference counter of this object. More...

## Auxilary API
void | Statistics (Standard_OStream &theStream) const
| Dumps information about this structure. More...
const Handle< NCollection_IncAllocator > & | Allocator () const
| Returns memory allocator used by the structure. More...
BRepMesh::HVertexTool & | Data ()
| Gives the data structure for initialization of cell size and tolerance. More...
void | ClearDomain ()
| Removes all elements. More...
void | ClearDeleted ()
| Substitutes deleted items by the last one from corresponding map to have only non-deleted elements, links or nodes in the structure. More...

## Detailed Description

Describes the data structure necessary for the mesh algorithms in two dimensions plane or on surface by meshing in UV space.

## Constructor & Destructor Documentation

BRepMesh_DataStructureOfDelaun::BRepMesh_DataStructureOfDelaun | ( | const Handle< NCollection_IncAllocator > & | theAllocator,
|  | const Standard_Integer | theReservedNodeSize = `100`
| ) |  |

Constructor.

Parameters

  theAllocator | memory allocator to be used by internal structures.
  theReservedNodeSize | presumed number of nodes in this mesh.

## Member Function Documentation

Standard_Integer BRepMesh_DataStructureOfDelaun::AddElement | ( | const BRepMesh_Triangle & | theElement | ) |

Adds element to the mesh if it is not already in the mesh.

Parameters

  theElement | element to be added to the mesh.

Returns
  index of the element in the structure.

Standard_Integer BRepMesh_DataStructureOfDelaun::AddLink | ( | const BRepMesh_Edge & | theLink | ) |

Adds link to the mesh if it is not already in the mesh.

Parameters

  theLink | link to be added to the mesh.

Returns
  index of the link in the structure.

Standard_Integer BRepMesh_DataStructureOfDelaun::AddNode | ( | const BRepMesh_Vertex & | theNode,
|  | const Standard_Boolean | isForceAdd = `Standard_False`
| ) |  |

Adds node to the mesh if it is not already in the mesh.

Parameters

  theNode | node to be added to the mesh.
  isForceAdd | adds the given node to structure without checking on coincidence with other nodes.

Returns
  index of the node in the structure.

const Handle< NCollection_IncAllocator >& BRepMesh_DataStructureOfDelaun::Allocator | ( |  | ) | const
| inline

Returns memory allocator used by the structure.

void BRepMesh_DataStructureOfDelaun::ClearDeleted | ( |  | ) |
| inline

Substitutes deleted items by the last one from corresponding map to have only non-deleted elements, links or nodes in the structure.

void BRepMesh_DataStructureOfDelaun::ClearDomain | ( |  | ) |

Removes all elements.

BRepMesh::HVertexTool& BRepMesh_DataStructureOfDelaun::Data | ( |  | ) |
| inline

Gives the data structure for initialization of cell size and tolerance.

void BRepMesh_DataStructureOfDelaun::ElementNodes | ( | const BRepMesh_Triangle & | theElement,
|  | Standard_Integer(&) | theNodes[3]
| ) |  |

Returns indices of nodes forming the given element.

Parameters

  | theElement | element which nodes should be retrieved.
  [out] | theNodes | nodes of the given element.

const BRepMesh_PairOfIndex& BRepMesh_DataStructureOfDelaun::ElementsConnectedTo | ( | const Standard_Integer | theLinkIndex | ) | const
| inline

Returns indices of elements conected to the link with the given index.

Parameters

  theLinkIndex | index of link whose data should be retrieved.

Returns
  indices of elements conected to the link.

const BRepMesh::MapOfInteger& BRepMesh_DataStructureOfDelaun::ElementsOfDomain | ( |  | ) | const
| inline

Returns map of indices of elements registered in mesh.

const BRepMesh_Triangle& BRepMesh_DataStructureOfDelaun::GetElement | ( | const Standard_Integer | theIndex | ) |
| inline

Get element by the index.

Parameters

  theIndex | index of an element.

Returns
  element with the given index.

const BRepMesh_Edge& BRepMesh_DataStructureOfDelaun::GetLink | ( | const Standard_Integer | theIndex | ) |
| inline

Get link by the index.

Parameters

  theIndex | index of a link.

Returns
  link with the given index.

const BRepMesh_Vertex& BRepMesh_DataStructureOfDelaun::GetNode | ( | const Standard_Integer | theIndex | ) |
| inline

Get node by the index.

Parameters

  theIndex | index of a node.

Returns
  node with the given index.

Standard_Integer BRepMesh_DataStructureOfDelaun::IndexOf | ( | const BRepMesh_Vertex & | theNode | ) |
| inline

Finds the index of the given node.

Parameters

  theNode | node to find.

Returns
  index of the given element of zero if node is not in the mesh.

Standard_Integer BRepMesh_DataStructureOfDelaun::IndexOf | ( | const BRepMesh_Edge & | theLink | ) | const
| inline

Finds the index of the given link.

Parameters

  theLink | link to find.

Returns
  index of the given element of zero if link is not in the mesh.

Standard_Integer BRepMesh_DataStructureOfDelaun::IndexOf | ( | const BRepMesh_Triangle & | theElement | ) | const
| inline

Finds the index of the given element.

Parameters

  theElement | element to find.

Returns
  index of the given element of zero if element is not in the mesh.

const BRepMesh::ListOfInteger& BRepMesh_DataStructureOfDelaun::LinksConnectedTo | ( | const Standard_Integer | theIndex | ) | const
| inline

Get list of links attached to the node with the given index.

Parameters

  theIndex | index of node whose links should be retrieved.

Returns
  list of links attached to the node.

const BRepMesh::MapOfInteger& BRepMesh_DataStructureOfDelaun::LinksOfDomain | ( |  | ) | const
| inline

Returns map of indices of links registered in mesh.

Standard_Integer BRepMesh_DataStructureOfDelaun::NbElements | ( |  | ) | const
| inline

Returns number of links.

Standard_Integer BRepMesh_DataStructureOfDelaun::NbLinks | ( |  | ) | const
| inline

Returns number of links.

Standard_Integer BRepMesh_DataStructureOfDelaun::NbNodes | ( |  | ) | const
| inline

Returns number of nodes.

const BRepMesh_Vertex& BRepMesh_DataStructureOfDelaun::operator() | ( | const Standard_Integer | theIndex | ) |
| inline

Alias for GetNode.

void BRepMesh_DataStructureOfDelaun::RemoveElement | ( | const Standard_Integer | theIndex | ) |

Removes element from the mesh.

Parameters

  theIndex | index of element to be removed.

void BRepMesh_DataStructureOfDelaun::RemoveLink | ( | const Standard_Integer | theIndex,
|  | const Standard_Boolean | isForce = `Standard_False`
| ) |  |

Removes link from the mesh in case if it has no connected elements and its type is Free.

Parameters

  theIndex | index of link to be removed.
  isForce | if TRUE link will be removed even if movability is not Free.

void BRepMesh_DataStructureOfDelaun::RemoveNode | ( | const Standard_Integer | theIndex,
|  | const Standard_Boolean | isForce = `Standard_False`
| ) |  |
| inline

Removes node from the mesh in case if it has no connected links and its type is Free.

Parameters

  theIndex | index of node to be removed.
  isForce | if TRUE node will be removed even if movability is not Free.

void BRepMesh_DataStructureOfDelaun::Statistics | ( | Standard_OStream & | theStream | ) | const

Dumps information about this structure.

Parameters

  theStream | stream to be used for dump.

Standard_Boolean BRepMesh_DataStructureOfDelaun::SubstituteElement | ( | const Standard_Integer | theIndex,
|  | const BRepMesh_Triangle & | theNewElement
| ) |  |

Substitutes the element with the given index by new one.

Parameters

  theIndex | index of element to be substituted.
  theNewLink | substituting element.

Returns
  FALSE in case if new element is already in the structure, TRUE elsewhere.

Standard_Boolean BRepMesh_DataStructureOfDelaun::SubstituteLink | ( | const Standard_Integer | theIndex,
|  | const BRepMesh_Edge & | theNewLink
| ) |  |

Substitutes the link with the given index by new one.

Parameters

  theIndex | index of link to be substituted.
  theNewLink | substituting link.

Returns
  FALSE in case if new link is already in the structure, TRUE elsewhere.

Standard_Boolean BRepMesh_DataStructureOfDelaun::SubstituteNode | ( | const Standard_Integer | theIndex,
|  | const BRepMesh_Vertex & | theNewNode
| ) |  |

Substitutes the node with the given index by new one.

Parameters

  theIndex | index of node to be substituted.
  theNewNode | substituting node.

Returns
  FALSE in case if new node is already in the structure, TRUE elsewhere.

The documentation for this class was generated from the following file:

- BRepMesh_DataStructureOfDelaun.hxx