moab::BSPTreePoly::EdgeUse Struct Reference

Collaboration diagram for moab::BSPTreePoly::EdgeUse:

Public Member Functions
	EdgeUse (Edge *edge)
	EdgeUse (Edge *edge, Face *face)
	~EdgeUse ()
BSPTreePoly::Vertex *	start () const
BSPTreePoly::Vertex *	end () const
int	sense () const
void	insert_after (BSPTreePoly::EdgeUse *prev)
void	insert_before (BSPTreePoly::EdgeUse *next)

Public Attributes
BSPTreePoly::EdgeUse *	prevPtr
BSPTreePoly::EdgeUse *	nextPtr
BSPTreePoly::Edge *	edgePtr
BSPTreePoly::Face *	facePtr

Detailed Description

Definition at line 46 of file BSPTreePoly.cpp.

Constructor & Destructor Documentation

EdgeUse() [1/2]

moab::BSPTreePoly::EdgeUse::EdgeUse

(

BSPTreePoly::Edge *

edge

)

Definition at line 264 of file BSPTreePoly.cpp.

: prevPtr( 0 ), nextPtr( 0 ), edgePtr( edge ), facePtr( 0 ) {}

EdgeUse() [2/2]

moab::BSPTreePoly::EdgeUse::EdgeUse	(	BSPTreePoly::Edge *	edge,
		BSPTreePoly::Face *	face
	)

Definition at line 266 of file BSPTreePoly.cpp.

                                                                          : edgePtr( edge ), facePtr( face )
{
    assert( !face->usePtr );
    face->usePtr = prevPtr = nextPtr = this;
 
    if( !face->usePtr )
    {
        face->usePtr = prevPtr = nextPtr = this;
        return;
    }
 
    nextPtr = face->usePtr;
    prevPtr = nextPtr->prevPtr;
    assert( prevPtr->nextPtr == nextPtr );
    nextPtr->prevPtr = this;
    prevPtr->nextPtr = this;
}

References nextPtr, and prevPtr.

~EdgeUse()

moab::BSPTreePoly::EdgeUse::~EdgeUse

(

)

Definition at line 312 of file BSPTreePoly.cpp.

{
    if( facePtr->usePtr == this ) facePtr->usePtr = ( nextPtr == this ) ? 0 : nextPtr;
 
    if( edgePtr->forwardPtr == this ) edgePtr->forwardPtr = 0;
    if( edgePtr->reversePtr == this ) edgePtr->reversePtr = 0;
 
    if( !edgePtr->forwardPtr && !edgePtr->reversePtr ) delete edgePtr;
 
    nextPtr->prevPtr = prevPtr;
    prevPtr->nextPtr = nextPtr;
    nextPtr = prevPtr = 0;
}

Member Function Documentation

end()

BSPTreePoly::Vertex * moab::BSPTreePoly::EdgeUse::end ( ) const

inline

Definition at line 346 of file BSPTreePoly.cpp.

{
    if( edgePtr->forwardPtr == this )
        return edgePtr->end();
    else if( edgePtr->reversePtr == this )
        return edgePtr->start();
    else
        return 0;
}

Referenced by moab::BSPTreePoly::get_vertices(), insert_after(), moab::BSPTreePoly::is_valid(), and moab::split_face().

insert_after()

void moab::BSPTreePoly::EdgeUse::insert_after

(

BSPTreePoly::EdgeUse *

prev

)

Definition at line 284 of file BSPTreePoly.cpp.

{
    // shouldn't already be in a face
    assert( !facePtr );
    // adjacent edges should share vertices
    assert( start() == prev->end() );
 
    facePtr          = prev->facePtr;
    nextPtr          = prev->nextPtr;
    prevPtr          = prev;
    nextPtr->prevPtr = this;
    prevPtr->nextPtr = this;
}

References end(), facePtr, nextPtr, and prevPtr.

Referenced by moab::BSPTreePoly::cut_polyhedron(), moab::BSPTreePoly::set(), and moab::split_edge().

insert_before()

void moab::BSPTreePoly::EdgeUse::insert_before

(

BSPTreePoly::EdgeUse *

next

)

Definition at line 298 of file BSPTreePoly.cpp.

{
    // shouldn't already be in a face
    assert( !facePtr );
    // adjacent edges should share vertices
    assert( end() == next->start() );
 
    facePtr          = next->facePtr;
    prevPtr          = next->prevPtr;
    nextPtr          = next;
    nextPtr->prevPtr = this;
    prevPtr->nextPtr = this;
}

References facePtr, nextPtr, prevPtr, and start().

Referenced by moab::split_edge().

sense()

int moab::BSPTreePoly::EdgeUse::sense

(

)

const

Definition at line 326 of file BSPTreePoly.cpp.

{
    if( edgePtr->forwardPtr == this )
        return 1;
    else if( edgePtr->reversePtr == this )
        return -1;
    else
        return 0;
}

start()

BSPTreePoly::Vertex * moab::BSPTreePoly::EdgeUse::start ( ) const

inline

Definition at line 336 of file BSPTreePoly.cpp.

{
    if( edgePtr->forwardPtr == this )
        return edgePtr->start();
    else if( edgePtr->reversePtr == this )
        return edgePtr->end();
    else
        return 0;
}

Referenced by insert_before(), moab::BSPTreePoly::is_valid(), and moab::split_face().

Member Data Documentation

edgePtr

BSPTreePoly::Edge* moab::BSPTreePoly::EdgeUse::edgePtr

Definition at line 53 of file BSPTreePoly.cpp.

Referenced by moab::BSPTreePoly::cut_polyhedron(), and moab::BSPTreePoly::is_valid().

facePtr

BSPTreePoly::Face* moab::BSPTreePoly::EdgeUse::facePtr

Definition at line 54 of file BSPTreePoly.cpp.

Referenced by moab::BSPTreePoly::Edge::forward(), insert_after(), insert_before(), moab::BSPTreePoly::is_valid(), moab::BSPTreePoly::Edge::reverse(), moab::split_face(), and moab::BSPTreePoly::Edge::use().

nextPtr

BSPTreePoly::EdgeUse * moab::BSPTreePoly::EdgeUse::nextPtr

Definition at line 52 of file BSPTreePoly.cpp.

Referenced by moab::BSPTreePoly::cut_polyhedron(), EdgeUse(), moab::BSPTreePoly::get_vertices(), insert_after(), insert_before(), moab::BSPTreePoly::is_valid(), moab::BSPTreePoly::Face::signed_volume(), and moab::split_face().

prevPtr

BSPTreePoly::EdgeUse* moab::BSPTreePoly::EdgeUse::prevPtr

Definition at line 52 of file BSPTreePoly.cpp.

Referenced by EdgeUse(), insert_after(), insert_before(), moab::BSPTreePoly::is_valid(), and moab::split_face().

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

• BSPTreePoly.cpp