Version: 6.5.0
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
INTERP_KERNEL::EdgeIntersector Class Reference
Inheritance diagram for INTERP_KERNEL::EdgeIntersector:
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Public Member Functions

virtual ~EdgeIntersector ()
virtual bool keepOrder () const =0
virtual bool haveTheySameDirection () const =0
virtual void getPlacements (Node *start, Node *end, TypeOfLocInEdge &whereStart, TypeOfLocInEdge &whereEnd, MergePoints &commonNode) const =0
bool intersect (const Bounds *whereToFind, std::vector< Node * > &newNodes, bool &order, MergePoints &commonNode)
virtual void areOverlappedOrOnlyColinears (const Bounds *whereToFind, bool &obviousNoIntersection, bool &areOverlapped)=0
virtual std::list
< IntersectElement
getIntersectionsCharacteristicVal () const =0

Protected Member Functions

 EdgeIntersector (const Edge &e1, const Edge &e2)
void obviousCaseForCurvAbscisse (Node *node, TypeOfLocInEdge &where, MergePoints &commonNode, bool &obvious) const

Protected Attributes

const Edge_e1
const Edge_e2

Detailed Description

This abstract interface specifies all the methods to be overloaded of all possibilities edge-intersection.

Constructor & Destructor Documentation

INTERP_KERNEL::EdgeIntersector::EdgeIntersector ( const Edge e1,
const Edge e2 
)
protected

All non symetric methods are relative to 'e1'.

virtual INTERP_KERNEL::EdgeIntersector::~EdgeIntersector ( )
virtual

Member Function Documentation

virtual bool INTERP_KERNEL::EdgeIntersector::keepOrder ( ) const
pure virtual
virtual bool INTERP_KERNEL::EdgeIntersector::haveTheySameDirection ( ) const
pure virtual

to call only if 'areOverlapped' have been set to true when areOverlappedOrOnlyColinears was called

Implemented in INTERP_KERNEL::CrossTypeEdgeIntersector, and INTERP_KERNEL::ArcCArcCIntersector.

Referenced by INTERP_KERNEL::Edge::IntersectOverlapped().

virtual void INTERP_KERNEL::EdgeIntersector::getPlacements ( Node start,
Node end,
TypeOfLocInEdge whereStart,
TypeOfLocInEdge whereEnd,
MergePoints commonNode 
) const
pure virtual

to call only if 'areOverlapped' have been set to true when areOverlappedOrOnlyColinears was called

Implemented in INTERP_KERNEL::ArcCSegIntersector, and INTERP_KERNEL::ArcCArcCIntersector.

Referenced by INTERP_KERNEL::Edge::IntersectOverlapped().

bool EdgeIntersector::intersect ( const Bounds *  whereToFind,
std::vector< Node * > &  newNodes,
bool &  order,
MergePoints commonNode 
)

When true is returned, newNodes should contains at least 1 element. All merging nodes betw _e1 and _e2 extremities must be done.

References getIntersectionsCharacteristicVal(), INTERP_KERNEL::IntersectElement::LIMIT_ALONE, and INTERP_KERNEL::IntersectElement::LIMIT_ON.

Referenced by INTERP_KERNEL::Edge::Intersect().

virtual void INTERP_KERNEL::EdgeIntersector::areOverlappedOrOnlyColinears ( const Bounds *  whereToFind,
bool &  obviousNoIntersection,
bool &  areOverlapped 
)
pure virtual

Should be called only once per association.

Implemented in INTERP_KERNEL::ArcCSegIntersector, and INTERP_KERNEL::ArcCArcCIntersector.

Referenced by INTERP_KERNEL::Edge::Intersect().

virtual std::list< IntersectElement > INTERP_KERNEL::EdgeIntersector::getIntersectionsCharacteristicVal ( ) const
pure virtual

The size of returned vector is equal to number of potential intersections point. The values are so that their are interpretable by virtual Edge::isIn method.

Implemented in INTERP_KERNEL::ArcCSegIntersector, and INTERP_KERNEL::ArcCArcCIntersector.

Referenced by intersect().

void EdgeIntersector::obviousCaseForCurvAbscisse ( Node node,
TypeOfLocInEdge where,
MergePoints commonNode,
bool &  obvious 
) const
protected

Locates 'node' regarding edge this->_e1. If node is located close to (with distant lt epsilon) start or end point of _e1, 'node' takes its place. In this case 'obvious' is set to true and 'commonNode' stores information of merge point and finally 'where' is set. Furthermore 'node' is declared as ON LIMIT to indicate in locating process that an absolute location computation will have to be done. If 'node' is not close to start or end point of _e1, 'obvious' is set to false and 'commonNode' and 'where' are let unchanged.

References _e1, INTERP_KERNEL::Edge::changeEndNodeWith(), INTERP_KERNEL::Edge::changeStartNodeWith(), INTERP_KERNEL::Node::declareOnLim(), INTERP_KERNEL::END, INTERP_KERNEL::MergePoints::end1Replaced(), INTERP_KERNEL::Edge::getEndNode(), INTERP_KERNEL::Edge::getStartNode(), INTERP_KERNEL::Node::isEqual(), INTERP_KERNEL::START, and INTERP_KERNEL::MergePoints::start1Replaced().

Referenced by INTERP_KERNEL::ArcCArcCIntersector::getPlacements().

Member Data Documentation

const Edge& INTERP_KERNEL::EdgeIntersector::_e1
protected
const Edge& INTERP_KERNEL::EdgeIntersector::_e2
protected
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