moab::BSPTreePoly::Face Struct Reference

Collaboration diagram for moab::BSPTreePoly::Face:

Public Member Functions
	Face (Face *next)
	Face ()
	~Face ()
double	signed_volume () const
Public Attributes
BSPTreePoly::EdgeUse *	usePtr
BSPTreePoly::Face *	nextPtr

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Detailed Description

Definition at line 156 of file BSPTreePoly.cpp.

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Constructor & Destructor Documentation

moab::BSPTreePoly::Face::Face

(

Face *

next

)

[inline]

Definition at line 158 of file BSPTreePoly.cpp.

        : usePtr( 0 ), nextPtr( next )
#ifdef DEBUG_IDS
          ,
          id( nextID++ )
#endif
    {
    }

moab::BSPTreePoly::Face::Face

(

)

[inline]

Definition at line 166 of file BSPTreePoly.cpp.

        : usePtr( 0 ), nextPtr( 0 )
#ifdef DEBUG_IDS
          ,
          id( nextID++ )
#endif
    {
    }

moab::BSPTreePoly::Face::~Face

(

)

Definition at line 374 of file BSPTreePoly.cpp.

{
    BSPTreePoly::EdgeUse* nextEdgeUsePtr = usePtr;
    while( nextEdgeUsePtr )
    {
        delete nextEdgeUsePtr;  // This is tricky: ~EdgeUse() might change the value of usePtr
        if( usePtr && usePtr != nextEdgeUsePtr )
            nextEdgeUsePtr = usePtr;
        else
            nextEdgeUsePtr = 0;
    }
    usePtr = 0;
}

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Member Function Documentation

double moab::BSPTreePoly::Face::signed_volume

(

)

const

Definition at line 486 of file BSPTreePoly.cpp.

References moab::BSPTreePoly::EdgeUse::nextPtr, and moab::sum().

{
    CartVect sum( 0.0 );
    const CartVect* base = usePtr->start();
    CartVect d1          = ( *usePtr->end() - *base );
    for( EdgeUse* coedge = usePtr->nextPtr; coedge != usePtr; coedge = coedge->nextPtr )
    {
        CartVect d2 = ( *coedge->end() - *base );
        sum += d1 * d2;
        d1 = d2;
    }
    return ( 1.0 / 6.0 ) * ( sum % *base );
}

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Member Data Documentation

BSPTreePoly::Face* moab::BSPTreePoly::Face::nextPtr

Definition at line 176 of file BSPTreePoly.cpp.

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

BSPTreePoly::EdgeUse* moab::BSPTreePoly::Face::usePtr

Definition at line 175 of file BSPTreePoly.cpp.

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

List of all members.

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

• BSPTreePoly.cpp