Face intersection class. More...
Public Types  
enum  triangulationMode { tmFan, tmMesh } 
Public Member Functions  
faceAreaIntersect (const pointField &pointsA, const pointField &pointsB, const DynamicList< face > &trisA, const DynamicList< face > &trisB, const bool reverseB=false, const bool cacheTriangulation=false)  
Construct from components. More...  
bool  cacheTriangulation () const 
Const access to the cacheTriangulation flag. More...  
const DynamicList< triPoints >  triangles () const 
Const access to the triangulation. More...  
DynamicList< triPoints > &  triangles () 
Nonconst access to the triangulation. More...  
void  calc (const face &faceA, const face &faceB, const vector &n, scalar &area, vector ¢roid) const 
bool  overlaps (const face &faceA, const face &faceB, const vector &n, const scalar threshold) const 
Return area of intersection of faceA with faceB. More...  
Static Public Member Functions  
static scalar &  tolerance () 
Fraction of local length scale to use as intersection tolerance. More...  
static void  triangulate (const face &f, const pointField &points, const triangulationMode &triMode, faceList &faceTris) 
Triangulate a face using the given triangulation mode. More...  
static void  triangleFan (const face &f, DynamicList< face > &faces) 
Decompose face into triangle fan. More...  
Static Public Attributes  
static const Enum< triangulationMode >  triangulationModeNames_ 
Face intersection class.
 calculates intersection area by subdividing face into triangles and cutting
Definition at line 59 of file faceAreaIntersect.H.
enum triangulationMode 
Enumerator  

tmFan  
tmMesh 
Definition at line 63 of file faceAreaIntersect.H.
faceAreaIntersect  (  const pointField &  pointsA, 
const pointField &  pointsB,  
const DynamicList< face > &  trisA,  
const DynamicList< face > &  trisB,  
const bool  reverseB = false , 

const bool  cacheTriangulation = false 

) 
Construct from components.
Definition at line 386 of file faceAreaIntersect.C.

inlinestatic 
Fraction of local length scale to use as intersection tolerance.
Definition at line 127 of file faceAreaIntersectI.H.

static 
Triangulate a face using the given triangulation mode.
Definition at line 408 of file faceAreaIntersect.C.
References Foam::exit(), f(), Foam::FatalError, FatalErrorInFunction, points, and List< T >::resize().

inline 
Const access to the cacheTriangulation flag.
Definition at line 133 of file faceAreaIntersectI.H.

inline 
Const access to the triangulation.
Definition at line 140 of file faceAreaIntersectI.H.
Referenced by faceAreaWeightAMI::calcInterArea().

inline 
Nonconst access to the triangulation.
Definition at line 146 of file faceAreaIntersectI.H.

inlinestatic 
Decompose face into triangle fan.
Definition at line 32 of file faceAreaIntersectI.H.
References DynamicList< T, SizeMin >::append(), and f().
Referenced by advancingFrontAMI::triangulatePatch().
void calc  (  const face &  faceA, 
const face &  faceB,  
const vector &  n,  
scalar &  area,  
vector &  centroid  
)  const 
Return area of intersection of faceA with faceB and effective face centre
Definition at line 451 of file faceAreaIntersect.C.
References Foam::fieldTypes::area, n, and VectorSpace< Vector< scalar >, scalar, 3 >::zero.
Referenced by faceAreaWeightAMI::calcInterArea().
bool overlaps  (  const face &  faceA, 
const face &  faceB,  
const vector &  n,  
const scalar  threshold  
)  const 
Return area of intersection of faceA with faceB.
Definition at line 512 of file faceAreaIntersect.C.
References Foam::fieldTypes::area, n, and Foam::Zero.
Referenced by faceAreaWeightAMI::overlaps().

static 
Definition at line 69 of file faceAreaIntersect.H.