adding cw and ccw circulators

closes #2406

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1227 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Matthias Möller
2015-02-23 16:02:40 +00:00
parent 0f9b4c2358
commit eb877fe9da
13 changed files with 1960 additions and 44 deletions

View File

@@ -61,7 +61,7 @@
namespace OpenMesh {
namespace Iterators {
template<class Mesh, class CenterEntityHandle>
template<class Mesh, class CenterEntityHandle, bool CW>
class GenericCirculator_CenterEntityFnsT {
public:
static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter);
@@ -69,31 +69,61 @@ class GenericCirculator_CenterEntityFnsT {
};
template<class Mesh>
class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::VertexHandle> {
class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::VertexHandle, true> {
public:
inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
heh = mesh->cw_rotated_halfedge_handle(heh);
if (heh == start) lap_counter++;
if (heh == start) ++lap_counter;
}
inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
if (heh == start) lap_counter--;
if (heh == start) --lap_counter;
heh = mesh->ccw_rotated_halfedge_handle(heh);
}
};
template<class Mesh>
class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::FaceHandle> {
class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::FaceHandle, true> {
public:
inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
heh = mesh->next_halfedge_handle(heh);
if (heh == start) lap_counter++;
if (heh == start) ++lap_counter;
}
inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
if (heh == start) lap_counter--;
if (heh == start) --lap_counter;
heh = mesh->prev_halfedge_handle(heh);
}
};
/////////////////////////////////////////////////////////////
// CCW
template<class Mesh>
class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::VertexHandle, false> {
public:
inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
heh = mesh->ccw_rotated_halfedge_handle(heh);
if (heh == start) ++lap_counter;
}
inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
if (heh == start) --lap_counter;
heh = mesh->cw_rotated_halfedge_handle(heh);
}
};
template<class Mesh>
class GenericCirculator_CenterEntityFnsT<Mesh, typename Mesh::FaceHandle, false> {
public:
inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
heh = mesh->prev_halfedge_handle(heh);
if (heh == start) ++lap_counter;
}
inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
if (heh == start) --lap_counter;
heh = mesh->next_halfedge_handle(heh);
}
};
/////////////////////////////////////////////////////////////
template<class Mesh, class CenterEntityHandle, class ValueHandle>
class GenericCirculator_DereferenciabilityCheckT {
public:
@@ -116,7 +146,7 @@ class GenericCirculator_DereferenciabilityCheckT<Mesh, typename Mesh::VertexHand
}
};
template<class Mesh, class CenterEntityHandle, class ValueHandle>
template<class Mesh, class CenterEntityHandle, class ValueHandle, bool CW = true>
class GenericCirculator_ValueHandleFnsT {
public:
inline static bool is_valid(const typename Mesh::HalfedgeHandle &heh, const int lap_counter) {
@@ -124,15 +154,15 @@ class GenericCirculator_ValueHandleFnsT {
}
inline static void init(const Mesh*, typename Mesh::HalfedgeHandle&, typename Mesh::HalfedgeHandle&, int&) {};
inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle>::increment(mesh, heh, start, lap_counter);
GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle, CW>::increment(mesh, heh, start, lap_counter);
}
inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle>::decrement(mesh, heh, start, lap_counter);
GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle, CW>::decrement(mesh, heh, start, lap_counter);
}
};
template<class Mesh, class CenterEntityHandle>
class GenericCirculator_ValueHandleFnsT<Mesh, CenterEntityHandle, typename Mesh::FaceHandle> {
template<class Mesh, class CenterEntityHandle, bool CW>
class GenericCirculator_ValueHandleFnsT<Mesh, CenterEntityHandle, typename Mesh::FaceHandle, CW> {
public:
typedef GenericCirculator_DereferenciabilityCheckT<Mesh, CenterEntityHandle, typename Mesh::FaceHandle> GenericCirculator_DereferenciabilityCheck;
@@ -145,12 +175,12 @@ class GenericCirculator_ValueHandleFnsT<Mesh, CenterEntityHandle, typename Mesh:
};
inline static void increment(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
do {
GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle>::increment(mesh, heh, start, lap_counter);
GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle, CW>::increment(mesh, heh, start, lap_counter);
} while (is_valid(heh, lap_counter) && !GenericCirculator_DereferenciabilityCheck::isDereferenciable(mesh, heh));
}
inline static void decrement(const Mesh *mesh, typename Mesh::HalfedgeHandle &heh, typename Mesh::HalfedgeHandle &start, int &lap_counter) {
do {
GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle>::decrement(mesh, heh, start, lap_counter);
GenericCirculator_CenterEntityFnsT<Mesh, CenterEntityHandle, CW>::decrement(mesh, heh, start, lap_counter);
} while (is_valid(heh, lap_counter) && !GenericCirculator_DereferenciabilityCheck::isDereferenciable(mesh, heh));
}
};
@@ -217,7 +247,7 @@ class GenericCirculatorBaseT {
};
template<class Mesh, class CenterEntityHandle, class ValueHandle,
ValueHandle (GenericCirculatorBaseT<Mesh>::*Handle2Value)() const>
ValueHandle (GenericCirculatorBaseT<Mesh>::*Handle2Value)() const, bool CW = true >
class GenericCirculatorT : protected GenericCirculatorBaseT<Mesh> {
public:
typedef std::ptrdiff_t difference_type;
@@ -228,7 +258,7 @@ class GenericCirculatorT : protected GenericCirculatorBaseT<Mesh> {
typedef typename GenericCirculatorBaseT<Mesh>::mesh_ptr mesh_ptr;
typedef typename GenericCirculatorBaseT<Mesh>::mesh_ref mesh_ref;
typedef GenericCirculator_ValueHandleFnsT<Mesh, CenterEntityHandle, ValueHandle> GenericCirculator_ValueHandleFns;
typedef GenericCirculator_ValueHandleFnsT<Mesh, CenterEntityHandle, ValueHandle, CW> GenericCirculator_ValueHandleFns;
public:
GenericCirculatorT() {}
@@ -244,6 +274,10 @@ class GenericCirculatorT : protected GenericCirculatorBaseT<Mesh> {
}
GenericCirculatorT(const GenericCirculatorT &rhs) : GenericCirculatorBaseT<Mesh>(rhs) {}
friend class GenericCirculatorT<Mesh,CenterEntityHandle,ValueHandle,Handle2Value,!CW>;
explicit GenericCirculatorT( const GenericCirculatorT<Mesh,CenterEntityHandle,ValueHandle,Handle2Value,!CW>& rhs )
:GenericCirculatorBaseT<Mesh>(rhs){}
GenericCirculatorT& operator++() {
assert(this->mesh_);
GenericCirculator_ValueHandleFns::increment(this->mesh_, this->heh_, this->start_, this->lap_counter_);

View File

@@ -105,6 +105,14 @@ public:
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::VertexHandle,
&Iterators::GenericCirculatorBaseT<This>::toVertexHandle>
VertexVertexIter;
typedef VertexVertexIter VertexVertexCWIter;
/**
* Enumerates 1-ring vertices in a counter clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::VertexHandle,
&Iterators::GenericCirculatorBaseT<This>::toVertexHandle, false>
VertexVertexCCWIter;
/**
* Enumerates outgoing half edges in a clockwise fashion.
@@ -112,6 +120,14 @@ public:
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::HalfedgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toHalfedgeHandle>
VertexOHalfedgeIter;
typedef VertexOHalfedgeIter VertexOHalfedgeCWIter;
/**
* Enumerates outgoing half edges in a counter clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::HalfedgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toHalfedgeHandle, false>
VertexOHalfedgeCCWIter;
/**
* Enumerates incoming half edges in a clockwise fashion.
@@ -119,6 +135,14 @@ public:
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::HalfedgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toOppositeHalfedgeHandle>
VertexIHalfedgeIter;
typedef VertexIHalfedgeIter VertexIHalfedgeCWIter;
/**
* Enumerates incoming half edges in a counter clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::HalfedgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toOppositeHalfedgeHandle, false>
VertexIHalfedgeCCWIter;
/**
* Enumerates incident faces in a clockwise fashion.
@@ -126,6 +150,14 @@ public:
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::FaceHandle,
&Iterators::GenericCirculatorBaseT<This>::toFaceHandle>
VertexFaceIter;
typedef VertexFaceIter VertexFaceCWIter;
/**
* Enumerates incident faces in a counter clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::FaceHandle,
&Iterators::GenericCirculatorBaseT<This>::toFaceHandle, false>
VertexFaceCCWIter;
/**
* Enumerates incident edges in a clockwise fashion.
@@ -133,6 +165,13 @@ public:
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::EdgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toEdgeHandle>
VertexEdgeIter;
typedef VertexEdgeIter VertexEdgeCWIter;
/**
* Enumerates incident edges in a counter clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::VertexHandle, This::EdgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toEdgeHandle, false>
VertexEdgeCCWIter;
/**
* Identical to #FaceHalfedgeIter. God knows why this typedef exists.
@@ -140,12 +179,29 @@ public:
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::HalfedgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toHalfedgeHandle>
HalfedgeLoopIter;
typedef HalfedgeLoopIter HalfedgeLoopCWIter;
/**
* Identical to #FaceHalfedgeIter. God knows why this typedef exists.
*/
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::HalfedgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toHalfedgeHandle, false>
HalfedgeLoopCCWIter;
typedef VertexVertexIter ConstVertexVertexIter;
typedef VertexOHalfedgeIter ConstVertexOHalfedgeIter;
typedef VertexIHalfedgeIter ConstVertexIHalfedgeIter;
typedef VertexFaceIter ConstVertexFaceIter;
typedef VertexEdgeIter ConstVertexEdgeIter;
typedef VertexVertexIter ConstVertexVertexIter;
typedef VertexVertexCWIter ConstVertexVertexCWIter;
typedef VertexVertexCCWIter ConstVertexVertexCCWIter;
typedef VertexOHalfedgeIter ConstVertexOHalfedgeIter;
typedef VertexOHalfedgeCWIter ConstVertexOHalfedgeCWIter;
typedef VertexOHalfedgeCCWIter ConstVertexOHalfedgeCCWIter;
typedef VertexIHalfedgeIter ConstVertexIHalfedgeIter;
typedef VertexIHalfedgeCWIter ConstVertexIHalfedgeCWIter;
typedef VertexIHalfedgeCCWIter ConstVertexIHalfedgeCCWIter;
typedef VertexFaceIter ConstVertexFaceIter;
typedef VertexFaceCWIter ConstVertexFaceCWIter;
typedef VertexFaceCCWIter ConstVertexFaceCCWIter;
typedef VertexEdgeIter ConstVertexEdgeIter;
typedef VertexEdgeCWIter ConstVertexEdgeCWIter;
typedef VertexEdgeCCWIter ConstVertexEdgeCCWIter;
/*
* Face-centered circulators
@@ -157,6 +213,14 @@ public:
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::VertexHandle,
&Iterators::GenericCirculatorBaseT<This>::toVertexHandle>
FaceVertexIter;
typedef FaceVertexIter FaceVertexCCWIter;
/**
* Enumerate incident vertices in a clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::VertexHandle,
&Iterators::GenericCirculatorBaseT<This>::toVertexHandle, false>
FaceVertexCWIter;
/**
* Enumerate incident half edges in a counter clockwise fashion.
@@ -164,6 +228,14 @@ public:
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::HalfedgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toHalfedgeHandle>
FaceHalfedgeIter;
typedef FaceHalfedgeIter FaceHalfedgeCCWIter;
/**
* Enumerate incident half edges in a clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::HalfedgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toHalfedgeHandle, false>
FaceHalfedgeCWIter;
/**
* Enumerate incident edges in a counter clockwise fashion.
@@ -171,6 +243,14 @@ public:
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::EdgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toEdgeHandle>
FaceEdgeIter;
typedef FaceEdgeIter FaceEdgeCCWIter;
/**
* Enumerate incident edges in a clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::EdgeHandle,
&Iterators::GenericCirculatorBaseT<This>::toEdgeHandle, false>
FaceEdgeCWIter;
/**
* Enumerate adjacent faces in a counter clockwise fashion.
@@ -178,16 +258,34 @@ public:
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::FaceHandle,
&Iterators::GenericCirculatorBaseT<This>::toOppositeFaceHandle>
FaceFaceIter;
typedef FaceFaceIter FaceFaceCCWIter;
typedef FaceVertexIter ConstFaceVertexIter;
typedef FaceHalfedgeIter ConstFaceHalfedgeIter;
typedef FaceEdgeIter ConstFaceEdgeIter;
typedef FaceFaceIter ConstFaceFaceIter;
/**
* Enumerate adjacent faces in a clockwise fashion.
*/
typedef Iterators::GenericCirculatorT<This, This::FaceHandle, This::FaceHandle,
&Iterators::GenericCirculatorBaseT<This>::toOppositeFaceHandle, false>
FaceFaceCWIter;
typedef FaceVertexIter ConstFaceVertexIter;
typedef FaceVertexCWIter ConstFaceVertexCWIter;
typedef FaceVertexCCWIter ConstFaceVertexCCWIter;
typedef FaceHalfedgeIter ConstFaceHalfedgeIter;
typedef FaceHalfedgeCWIter ConstFaceHalfedgeCWIter;
typedef FaceHalfedgeCCWIter ConstFaceHalfedgeCCWIter;
typedef FaceEdgeIter ConstFaceEdgeIter;
typedef FaceEdgeCWIter ConstFaceEdgeCWIter;
typedef FaceEdgeCCWIter ConstFaceEdgeCCWIter;
typedef FaceFaceIter ConstFaceFaceIter;
typedef FaceFaceCWIter ConstFaceFaceCWIter;
typedef FaceFaceCCWIter ConstFaceFaceCCWIter;
/*
* Halfedge circulator
*/
typedef HalfedgeLoopIter ConstHalfedgeLoopIter;
typedef HalfedgeLoopIter ConstHalfedgeLoopIter;
typedef HalfedgeLoopCWIter ConstHalfedgeLoopCWIter;
typedef HalfedgeLoopCCWIter ConstHalfedgeLoopCCWIter;
//@}
@@ -213,25 +311,59 @@ public:
typedef ConstEdgeIter CEIter;
typedef ConstFaceIter CFIter;
typedef VertexVertexIter VVIter;
typedef VertexOHalfedgeIter VOHIter;
typedef VertexIHalfedgeIter VIHIter;
typedef VertexEdgeIter VEIter;
typedef VertexFaceIter VFIter;
typedef FaceVertexIter FVIter;
typedef FaceHalfedgeIter FHIter;
typedef FaceEdgeIter FEIter;
typedef FaceFaceIter FFIter;
typedef VertexVertexIter VVIter;
typedef VertexVertexCWIter VVCWIter;
typedef VertexVertexCCWIter VVCCWIter;
typedef VertexOHalfedgeIter VOHIter;
typedef VertexOHalfedgeCWIter VOHCWIter;
typedef VertexOHalfedgeCCWIter VOHCCWIter;
typedef VertexIHalfedgeIter VIHIter;
typedef VertexIHalfedgeCWIter VIHICWter;
typedef VertexIHalfedgeCCWIter VIHICCWter;
typedef VertexEdgeIter VEIter;
typedef VertexEdgeCWIter VECWIter;
typedef VertexEdgeCCWIter VECCWIter;
typedef VertexFaceIter VFIter;
typedef VertexFaceCWIter VFCWIter;
typedef VertexFaceCCWIter VFCCWIter;
typedef FaceVertexIter FVIter;
typedef FaceVertexCWIter FVCWIter;
typedef FaceVertexCCWIter FVCCWIter;
typedef FaceHalfedgeIter FHIter;
typedef FaceHalfedgeCWIter FHCWIter;
typedef FaceHalfedgeCCWIter FHCWWIter;
typedef FaceEdgeIter FEIter;
typedef FaceEdgeCWIter FECWIter;
typedef FaceEdgeCCWIter FECWWIter;
typedef FaceFaceIter FFIter;
typedef ConstVertexVertexIter CVVIter;
typedef ConstVertexOHalfedgeIter CVOHIter;
typedef ConstVertexIHalfedgeIter CVIHIter;
typedef ConstVertexEdgeIter CVEIter;
typedef ConstVertexFaceIter CVFIter;
typedef ConstFaceVertexIter CFVIter;
typedef ConstFaceHalfedgeIter CFHIter;
typedef ConstFaceEdgeIter CFEIter;
typedef ConstFaceFaceIter CFFIter;
typedef ConstVertexVertexIter CVVIter;
typedef ConstVertexVertexCWIter CVVCWIter;
typedef ConstVertexVertexCCWIter CVVCCWIter;
typedef ConstVertexOHalfedgeIter CVOHIter;
typedef ConstVertexOHalfedgeCWIter CVOHCWIter;
typedef ConstVertexOHalfedgeCCWIter CVOHCCWIter;
typedef ConstVertexIHalfedgeIter CVIHIter;
typedef ConstVertexIHalfedgeCWIter CVIHCWIter;
typedef ConstVertexIHalfedgeCCWIter CVIHCCWIter;
typedef ConstVertexEdgeIter CVEIter;
typedef ConstVertexEdgeCWIter CVECWIter;
typedef ConstVertexEdgeCCWIter CVECCWIter;
typedef ConstVertexFaceIter CVFIter;
typedef ConstVertexFaceCWIter CVFCWIter;
typedef ConstVertexFaceCCWIter CVFCCWIter;
typedef ConstFaceVertexIter CFVIter;
typedef ConstFaceVertexCWIter CFVCWIter;
typedef ConstFaceVertexCCWIter CFVCCWIter;
typedef ConstFaceHalfedgeIter CFHIter;
typedef ConstFaceHalfedgeCWIter CFHCWIter;
typedef ConstFaceHalfedgeCCWIter CFHCCWIter;
typedef ConstFaceEdgeIter CFEIter;
typedef ConstFaceEdgeCWIter CFECWIter;
typedef ConstFaceEdgeCCWIter CFECCWIter;
typedef ConstFaceFaceIter CFFIter;
typedef ConstFaceFaceCWIter CFFCWIter;
typedef ConstFaceFaceCCWIter CFFCCWIter;
//@}
public:
@@ -426,192 +558,541 @@ public:
/// vertex - vertex circulator
VertexVertexIter vv_iter(VertexHandle _vh)
{ return VertexVertexIter(*this, _vh); }
/// vertex - vertex circulator cw
VertexVertexCWIter vv_cwiter(VertexHandle _vh)
{ return VertexVertexCWIter(*this, _vh); }
/// vertex - vertex circulator ccw
VertexVertexCCWIter vv_ccwiter(VertexHandle _vh)
{ return VertexVertexCCWIter(*this, _vh); }
/// vertex - incoming halfedge circulator
VertexIHalfedgeIter vih_iter(VertexHandle _vh)
{ return VertexIHalfedgeIter(*this, _vh); }
/// vertex - incoming halfedge circulator cw
VertexIHalfedgeCWIter vih_cwiter(VertexHandle _vh)
{ return VertexIHalfedgeCWIter(*this, _vh); }
/// vertex - incoming halfedge circulator ccw
VertexIHalfedgeCCWIter vih_ccwiter(VertexHandle _vh)
{ return VertexIHalfedgeCCWIter(*this, _vh); }
/// vertex - outgoing halfedge circulator
VertexOHalfedgeIter voh_iter(VertexHandle _vh)
{ return VertexOHalfedgeIter(*this, _vh); }
/// vertex - outgoing halfedge circulator cw
VertexOHalfedgeCWIter voh_cwiter(VertexHandle _vh)
{ return VertexOHalfedgeCWIter(*this, _vh); }
/// vertex - outgoing halfedge circulator ccw
VertexOHalfedgeCCWIter voh_ccwiter(VertexHandle _vh)
{ return VertexOHalfedgeCCWIter(*this, _vh); }
/// vertex - edge circulator
VertexEdgeIter ve_iter(VertexHandle _vh)
{ return VertexEdgeIter(*this, _vh); }
/// vertex - edge circulator cw
VertexEdgeCWIter ve_cwiter(VertexHandle _vh)
{ return VertexEdgeCWIter(*this, _vh); }
/// vertex - edge circulator ccw
VertexEdgeCCWIter ve_ccwiter(VertexHandle _vh)
{ return VertexEdgeCCWIter(*this, _vh); }
/// vertex - face circulator
VertexFaceIter vf_iter(VertexHandle _vh)
{ return VertexFaceIter(*this, _vh); }
/// vertex - face circulator cw
VertexFaceCWIter vf_cwiter(VertexHandle _vh)
{ return VertexFaceCWIter(*this, _vh); }
/// vertex - face circulator ccw
VertexFaceCCWIter vf_ccwiter(VertexHandle _vh)
{ return VertexFaceCCWIter(*this, _vh); }
/// const vertex circulator
ConstVertexVertexIter cvv_iter(VertexHandle _vh) const
{ return ConstVertexVertexIter(*this, _vh); }
/// const vertex circulator cw
ConstVertexVertexCWIter cvv_cwiter(VertexHandle _vh) const
{ return ConstVertexVertexCWIter(*this, _vh); }
/// const vertex circulator ccw
ConstVertexVertexCCWIter cvv_ccwiter(VertexHandle _vh) const
{ return ConstVertexVertexCCWIter(*this, _vh); }
/// const vertex - incoming halfedge circulator
ConstVertexIHalfedgeIter cvih_iter(VertexHandle _vh) const
{ return ConstVertexIHalfedgeIter(*this, _vh); }
/// const vertex - incoming halfedge circulator cw
ConstVertexIHalfedgeCWIter cvih_cwiter(VertexHandle _vh) const
{ return ConstVertexIHalfedgeCWIter(*this, _vh); }
/// const vertex - incoming halfedge circulator ccw
ConstVertexIHalfedgeCCWIter cvih_ccwiter(VertexHandle _vh) const
{ return ConstVertexIHalfedgeCCWIter(*this, _vh); }
/// const vertex - outgoing halfedge circulator
ConstVertexOHalfedgeIter cvoh_iter(VertexHandle _vh) const
{ return ConstVertexOHalfedgeIter(*this, _vh); }
/// const vertex - outgoing halfedge circulator cw
ConstVertexOHalfedgeCWIter cvoh_cwiter(VertexHandle _vh) const
{ return ConstVertexOHalfedgeCWIter(*this, _vh); }
/// const vertex - outgoing halfedge circulator ccw
ConstVertexOHalfedgeCCWIter cvoh_ccwiter(VertexHandle _vh) const
{ return ConstVertexOHalfedgeCCWIter(*this, _vh); }
/// const vertex - edge circulator
ConstVertexEdgeIter cve_iter(VertexHandle _vh) const
{ return ConstVertexEdgeIter(*this, _vh); }
/// const vertex - edge circulator cw
ConstVertexEdgeCWIter cve_cwiter(VertexHandle _vh) const
{ return ConstVertexEdgeCWIter(*this, _vh); }
/// const vertex - edge circulator ccw
ConstVertexEdgeCCWIter cve_ccwiter(VertexHandle _vh) const
{ return ConstVertexEdgeCCWIter(*this, _vh); }
/// const vertex - face circulator
ConstVertexFaceIter cvf_iter(VertexHandle _vh) const
{ return ConstVertexFaceIter(*this, _vh); }
/// const vertex - face circulator cw
ConstVertexFaceCWIter cvf_cwiter(VertexHandle _vh) const
{ return ConstVertexFaceCWIter(*this, _vh); }
/// const vertex - face circulator ccw
ConstVertexFaceCCWIter cvf_ccwiter(VertexHandle _vh) const
{ return ConstVertexFaceCCWIter(*this, _vh); }
/// face - vertex circulator
FaceVertexIter fv_iter(FaceHandle _fh)
{ return FaceVertexIter(*this, _fh); }
/// face - vertex circulator cw
FaceVertexCWIter fv_cwiter(FaceHandle _fh)
{ return FaceVertexCWIter(*this, _fh); }
/// face - vertex circulator ccw
FaceVertexCCWIter fv_ccwiter(FaceHandle _fh)
{ return FaceVertexCCWIter(*this, _fh); }
/// face - halfedge circulator
FaceHalfedgeIter fh_iter(FaceHandle _fh)
{ return FaceHalfedgeIter(*this, _fh); }
/// face - halfedge circulator cw
FaceHalfedgeCWIter fh_cwiter(FaceHandle _fh)
{ return FaceHalfedgeCWIter(*this, _fh); }
/// face - halfedge circulator ccw
FaceHalfedgeCCWIter fh_ccwiter(FaceHandle _fh)
{ return FaceHalfedgeCCWIter(*this, _fh); }
/// face - edge circulator
FaceEdgeIter fe_iter(FaceHandle _fh)
{ return FaceEdgeIter(*this, _fh); }
/// face - edge circulator cw
FaceEdgeCWIter fe_cwiter(FaceHandle _fh)
{ return FaceEdgeCWIter(*this, _fh); }
/// face - edge circulator ccw
FaceEdgeCCWIter fe_ccwiter(FaceHandle _fh)
{ return FaceEdgeCCWIter(*this, _fh); }
/// face - face circulator
FaceFaceIter ff_iter(FaceHandle _fh)
{ return FaceFaceIter(*this, _fh); }
/// face - face circulator cw
FaceFaceCWIter ff_cwiter(FaceHandle _fh)
{ return FaceFaceCWIter(*this, _fh); }
/// face - face circulator ccw
FaceFaceCCWIter ff_ccwiter(FaceHandle _fh)
{ return FaceFaceCCWIter(*this, _fh); }
/// const face - vertex circulator
ConstFaceVertexIter cfv_iter(FaceHandle _fh) const
{ return ConstFaceVertexIter(*this, _fh); }
/// const face - vertex circulator cw
ConstFaceVertexCWIter cfv_cwiter(FaceHandle _fh) const
{ return ConstFaceVertexCWIter(*this, _fh); }
/// const face - vertex circulator ccw
ConstFaceVertexCCWIter cfv_ccwiter(FaceHandle _fh) const
{ return ConstFaceVertexCCWIter(*this, _fh); }
/// const face - halfedge circulator
ConstFaceHalfedgeIter cfh_iter(FaceHandle _fh) const
{ return ConstFaceHalfedgeIter(*this, _fh); }
/// const face - halfedge circulator cw
ConstFaceHalfedgeCWIter cfh_cwiter(FaceHandle _fh) const
{ return ConstFaceHalfedgeCWIter(*this, _fh); }
/// const face - halfedge circulator ccw
ConstFaceHalfedgeCCWIter cfh_ccwiter(FaceHandle _fh) const
{ return ConstFaceHalfedgeCCWIter(*this, _fh); }
/// const face - edge circulator
ConstFaceEdgeIter cfe_iter(FaceHandle _fh) const
{ return ConstFaceEdgeIter(*this, _fh); }
/// const face - edge circulator cw
ConstFaceEdgeCWIter cfe_cwiter(FaceHandle _fh) const
{ return ConstFaceEdgeCWIter(*this, _fh); }
/// const face - edge circulator ccw
ConstFaceEdgeCCWIter cfe_ccwiter(FaceHandle _fh) const
{ return ConstFaceEdgeCCWIter(*this, _fh); }
/// const face - face circulator
ConstFaceFaceIter cff_iter(FaceHandle _fh) const
{ return ConstFaceFaceIter(*this, _fh); }
/// const face - face circulator cw
ConstFaceFaceCWIter cff_cwiter(FaceHandle _fh) const
{ return ConstFaceFaceCWIter(*this, _fh); }
/// const face - face circulator
ConstFaceFaceCCWIter cff_ccwiter(FaceHandle _fh) const
{ return ConstFaceFaceCCWIter(*this, _fh); }
// 'begin' circulators
/// vertex - vertex circulator
VertexVertexIter vv_begin(VertexHandle _vh)
{ return VertexVertexIter(*this, _vh); }
/// vertex - vertex circulator cw
VertexVertexCWIter vv_cwbegin(VertexHandle _vh)
{ return VertexVertexCWIter(*this, _vh); }
/// vertex - vertex circulator ccw
VertexVertexCCWIter vv_ccwbegin(VertexHandle _vh)
{ return VertexVertexCCWIter(*this, _vh); }
/// vertex - incoming halfedge circulator
VertexIHalfedgeIter vih_begin(VertexHandle _vh)
{ return VertexIHalfedgeIter(*this, _vh); }
/// vertex - incoming halfedge circulator cw
VertexIHalfedgeCWIter vih_cwbegin(VertexHandle _vh)
{ return VertexIHalfedgeCWIter(*this, _vh); }
/// vertex - incoming halfedge circulator ccw
VertexIHalfedgeCCWIter vih_ccwbegin(VertexHandle _vh)
{ return VertexIHalfedgeCCWIter(*this, _vh); }
/// vertex - outgoing halfedge circulator
VertexOHalfedgeIter voh_begin(VertexHandle _vh)
{ return VertexOHalfedgeIter(*this, _vh); }
/// vertex - outgoing halfedge circulator cw
VertexOHalfedgeCWIter voh_cwbegin(VertexHandle _vh)
{ return VertexOHalfedgeCWIter(*this, _vh); }
/// vertex - outgoing halfedge circulator ccw
VertexOHalfedgeCCWIter voh_ccwbegin(VertexHandle _vh)
{ return VertexOHalfedgeCCWIter(*this, _vh); }
/// vertex - edge circulator
VertexEdgeIter ve_begin(VertexHandle _vh)
{ return VertexEdgeIter(*this, _vh); }
/// vertex - edge circulator cw
VertexEdgeCWIter ve_cwbegin(VertexHandle _vh)
{ return VertexEdgeCWIter(*this, _vh); }
/// vertex - edge circulator ccw
VertexEdgeCCWIter ve_ccwbegin(VertexHandle _vh)
{ return VertexEdgeCCWIter(*this, _vh); }
/// vertex - face circulator
VertexFaceIter vf_begin(VertexHandle _vh)
{ return VertexFaceIter(*this, _vh); }
/// vertex - face circulator cw
VertexFaceCWIter vf_cwbegin(VertexHandle _vh)
{ return VertexFaceCWIter(*this, _vh); }
/// vertex - face circulator ccw
VertexFaceCCWIter vf_ccwbegin(VertexHandle _vh)
{ return VertexFaceCCWIter(*this, _vh); }
/// const vertex circulator
ConstVertexVertexIter cvv_begin(VertexHandle _vh) const
{ return ConstVertexVertexIter(*this, _vh); }
/// const vertex circulator cw
ConstVertexVertexCWIter cvv_cwbegin(VertexHandle _vh) const
{ return ConstVertexVertexCWIter(*this, _vh); }
/// const vertex circulator ccw
ConstVertexVertexCCWIter cvv_ccwbegin(VertexHandle _vh) const
{ return ConstVertexVertexCCWIter(*this, _vh); }
/// const vertex - incoming halfedge circulator
ConstVertexIHalfedgeIter cvih_begin(VertexHandle _vh) const
{ return ConstVertexIHalfedgeIter(*this, _vh); }
/// const vertex - incoming halfedge circulator cw
ConstVertexIHalfedgeCWIter cvih_cwbegin(VertexHandle _vh) const
{ return ConstVertexIHalfedgeCWIter(*this, _vh); }
/// const vertex - incoming halfedge circulator ccw
ConstVertexIHalfedgeCCWIter cvih_ccwbegin(VertexHandle _vh) const
{ return ConstVertexIHalfedgeCCWIter(*this, _vh); }
/// const vertex - outgoing halfedge circulator
ConstVertexOHalfedgeIter cvoh_begin(VertexHandle _vh) const
{ return ConstVertexOHalfedgeIter(*this, _vh); }
/// const vertex - outgoing halfedge circulator cw
ConstVertexOHalfedgeCWIter cvoh_cwbegin(VertexHandle _vh) const
{ return ConstVertexOHalfedgeCWIter(*this, _vh); }
/// const vertex - outgoing halfedge circulator ccw
ConstVertexOHalfedgeCCWIter cvoh_ccwbegin(VertexHandle _vh) const
{ return ConstVertexOHalfedgeCCWIter(*this, _vh); }
/// const vertex - edge circulator
ConstVertexEdgeIter cve_begin(VertexHandle _vh) const
{ return ConstVertexEdgeIter(*this, _vh); }
/// const vertex - edge circulator cw
ConstVertexEdgeCWIter cve_cwbegin(VertexHandle _vh) const
{ return ConstVertexEdgeCWIter(*this, _vh); }
/// const vertex - edge circulator ccw
ConstVertexEdgeCCWIter cve_ccwbegin(VertexHandle _vh) const
{ return ConstVertexEdgeCCWIter(*this, _vh); }
/// const vertex - face circulator
ConstVertexFaceIter cvf_begin(VertexHandle _vh) const
{ return ConstVertexFaceIter(*this, _vh); }
/// const vertex - face circulator cw
ConstVertexFaceCWIter cvf_cwbegin(VertexHandle _vh) const
{ return ConstVertexFaceCWIter(*this, _vh); }
/// const vertex - face circulator ccw
ConstVertexFaceCCWIter cvf_ccwbegin(VertexHandle _vh) const
{ return ConstVertexFaceCCWIter(*this, _vh); }
/// face - vertex circulator
FaceVertexIter fv_begin(FaceHandle _fh)
{ return FaceVertexIter(*this, _fh); }
/// face - vertex circulator cw
FaceVertexCWIter fv_cwbegin(FaceHandle _fh)
{ return FaceVertexCWIter(*this, _fh); }
/// face - vertex circulator ccw
FaceVertexCCWIter fv_ccwbegin(FaceHandle _fh)
{ return FaceVertexCCWIter(*this, _fh); }
/// face - halfedge circulator
FaceHalfedgeIter fh_begin(FaceHandle _fh)
{ return FaceHalfedgeIter(*this, _fh); }
/// face - halfedge circulator cw
FaceHalfedgeCWIter fh_cwbegin(FaceHandle _fh)
{ return FaceHalfedgeCWIter(*this, _fh); }
/// face - halfedge circulator ccw
FaceHalfedgeCCWIter fh_ccwbegin(FaceHandle _fh)
{ return FaceHalfedgeCCWIter(*this, _fh); }
/// face - edge circulator
FaceEdgeIter fe_begin(FaceHandle _fh)
{ return FaceEdgeIter(*this, _fh); }
/// face - edge circulator cw
FaceEdgeCWIter fe_cwbegin(FaceHandle _fh)
{ return FaceEdgeCWIter(*this, _fh); }
/// face - edge circulator ccw
FaceEdgeCCWIter fe_ccwbegin(FaceHandle _fh)
{ return FaceEdgeCCWIter(*this, _fh); }
/// face - face circulator
FaceFaceIter ff_begin(FaceHandle _fh)
{ return FaceFaceIter(*this, _fh); }
/// face - face circulator cw
FaceFaceCWIter ff_cwbegin(FaceHandle _fh)
{ return FaceFaceCWIter(*this, _fh); }
/// face - face circulator ccw
FaceFaceCCWIter ff_ccwbegin(FaceHandle _fh)
{ return FaceFaceCCWIter(*this, _fh); }
/// halfedge circulator
HalfedgeLoopIter hl_begin(HalfedgeHandle _heh)
{ return HalfedgeLoopIter(*this, _heh); }
/// halfedge circulator
HalfedgeLoopCWIter hl_cwbegin(HalfedgeHandle _heh)
{ return HalfedgeLoopCWIter(*this, _heh); }
/// halfedge circulator ccw
HalfedgeLoopCCWIter hl_ccwbegin(HalfedgeHandle _heh)
{ return HalfedgeLoopCCWIter(*this, _heh); }
/// const face - vertex circulator
ConstFaceVertexIter cfv_begin(FaceHandle _fh) const
{ return ConstFaceVertexIter(*this, _fh); }
/// const face - vertex circulator cw
ConstFaceVertexCWIter cfv_cwbegin(FaceHandle _fh) const
{ return ConstFaceVertexCWIter(*this, _fh); }
/// const face - vertex circulator ccw
ConstFaceVertexCCWIter cfv_ccwbegin(FaceHandle _fh) const
{ return ConstFaceVertexCCWIter(*this, _fh); }
/// const face - halfedge circulator
ConstFaceHalfedgeIter cfh_begin(FaceHandle _fh) const
{ return ConstFaceHalfedgeIter(*this, _fh); }
/// const face - halfedge circulator cw
ConstFaceHalfedgeCWIter cfh_cwbegin(FaceHandle _fh) const
{ return ConstFaceHalfedgeCWIter(*this, _fh); }
/// const face - halfedge circulator ccw
ConstFaceHalfedgeCCWIter cfh_ccwbegin(FaceHandle _fh) const
{ return ConstFaceHalfedgeCCWIter(*this, _fh); }
/// const face - edge circulator
ConstFaceEdgeIter cfe_begin(FaceHandle _fh) const
{ return ConstFaceEdgeIter(*this, _fh); }
/// const face - edge circulator cw
ConstFaceEdgeCWIter cfe_cwbegin(FaceHandle _fh) const
{ return ConstFaceEdgeCWIter(*this, _fh); }
/// const face - edge circulator ccw
ConstFaceEdgeCCWIter cfe_ccwbegin(FaceHandle _fh) const
{ return ConstFaceEdgeCCWIter(*this, _fh); }
/// const face - face circulator
ConstFaceFaceIter cff_begin(FaceHandle _fh) const
{ return ConstFaceFaceIter(*this, _fh); }
/// const face - face circulator cw
ConstFaceFaceCWIter cff_cwbegin(FaceHandle _fh) const
{ return ConstFaceFaceCWIter(*this, _fh); }
/// const face - face circulator ccw
ConstFaceFaceCCWIter cff_ccwbegin(FaceHandle _fh) const
{ return ConstFaceFaceCCWIter(*this, _fh); }
/// const halfedge circulator
ConstHalfedgeLoopIter chl_begin(HalfedgeHandle _heh) const
{ return ConstHalfedgeLoopIter(*this, _heh); }
/// const halfedge circulator cw
ConstHalfedgeLoopCWIter chl_cwbegin(HalfedgeHandle _heh) const
{ return ConstHalfedgeLoopCWIter(*this, _heh); }
/// const halfedge circulator ccw
ConstHalfedgeLoopCCWIter chl_ccwbegin(HalfedgeHandle _heh) const
{ return ConstHalfedgeLoopCCWIter(*this, _heh); }
// 'end' circulators
/// vertex - vertex circulator
VertexVertexIter vv_end(VertexHandle _vh)
{ return VertexVertexIter(*this, _vh, true); }
/// vertex - vertex circulator cw
VertexVertexCWIter vv_cwend(VertexHandle _vh)
{ return VertexVertexCWIter(*this, _vh, true); }
/// vertex - vertex circulator ccw
VertexVertexCCWIter vv_ccwend(VertexHandle _vh)
{ return VertexVertexCCWIter(*this, _vh, true); }
/// vertex - incoming halfedge circulator
VertexIHalfedgeIter vih_end(VertexHandle _vh)
{ return VertexIHalfedgeIter(*this, _vh, true); }
/// vertex - incoming halfedge circulator cw
VertexIHalfedgeCWIter vih_cwend(VertexHandle _vh)
{ return VertexIHalfedgeCWIter(*this, _vh, true); }
/// vertex - incoming halfedge circulator ccw
VertexIHalfedgeCCWIter vih_ccwend(VertexHandle _vh)
{ return VertexIHalfedgeCCWIter(*this, _vh, true); }
/// vertex - outgoing halfedge circulator
VertexOHalfedgeIter voh_end(VertexHandle _vh)
{ return VertexOHalfedgeIter(*this, _vh, true); }
/// vertex - outgoing halfedge circulator cw
VertexOHalfedgeCWIter voh_cwend(VertexHandle _vh)
{ return VertexOHalfedgeCWIter(*this, _vh, true); }
/// vertex - outgoing halfedge circulator ccw
VertexOHalfedgeCCWIter voh_ccwend(VertexHandle _vh)
{ return VertexOHalfedgeCCWIter(*this, _vh, true); }
/// vertex - edge circulator
VertexEdgeIter ve_end(VertexHandle _vh)
{ return VertexEdgeIter(*this, _vh, true); }
/// vertex - edge circulator cw
VertexEdgeCWIter ve_cwend(VertexHandle _vh)
{ return VertexEdgeCWIter(*this, _vh, true); }
/// vertex - edge circulator ccw
VertexEdgeCCWIter ve_ccwend(VertexHandle _vh)
{ return VertexEdgeCCWIter(*this, _vh, true); }
/// vertex - face circulator
VertexFaceIter vf_end(VertexHandle _vh)
{ return VertexFaceIter(*this, _vh, true); }
/// vertex - face circulator cw
VertexFaceCWIter vf_cwend(VertexHandle _vh)
{ return VertexFaceCWIter(*this, _vh, true); }
/// vertex - face circulator ccw
VertexFaceCCWIter vf_ccwend(VertexHandle _vh)
{ return VertexFaceCCWIter(*this, _vh, true); }
/// const vertex circulator
ConstVertexVertexIter cvv_end(VertexHandle _vh) const
{ return ConstVertexVertexIter(*this, _vh, true); }
/// const vertex circulator cw
ConstVertexVertexCWIter cvv_cwend(VertexHandle _vh) const
{ return ConstVertexVertexCWIter(*this, _vh, true); }
/// const vertex circulator ccw
ConstVertexVertexCCWIter cvv_ccwend(VertexHandle _vh) const
{ return ConstVertexVertexCCWIter(*this, _vh, true); }
/// const vertex - incoming halfedge circulator
ConstVertexIHalfedgeIter cvih_end(VertexHandle _vh) const
{ return ConstVertexIHalfedgeIter(*this, _vh, true); }
/// const vertex - incoming halfedge circulator cw
ConstVertexIHalfedgeCWIter cvih_cwend(VertexHandle _vh) const
{ return ConstVertexIHalfedgeCWIter(*this, _vh, true); }
/// const vertex - incoming halfedge circulator ccw
ConstVertexIHalfedgeCCWIter cvih_ccwend(VertexHandle _vh) const
{ return ConstVertexIHalfedgeCCWIter(*this, _vh, true); }
/// const vertex - outgoing halfedge circulator
ConstVertexOHalfedgeIter cvoh_end(VertexHandle _vh) const
{ return ConstVertexOHalfedgeIter(*this, _vh, true); }
/// const vertex - outgoing halfedge circulator cw
ConstVertexOHalfedgeCWIter cvoh_cwend(VertexHandle _vh) const
{ return ConstVertexOHalfedgeCWIter(*this, _vh, true); }
/// const vertex - outgoing halfedge circulator ccw
ConstVertexOHalfedgeCCWIter cvoh_ccwend(VertexHandle _vh) const
{ return ConstVertexOHalfedgeCCWIter(*this, _vh, true); }
/// const vertex - edge circulator
ConstVertexEdgeIter cve_end(VertexHandle _vh) const
{ return ConstVertexEdgeIter(*this, _vh, true); }
/// const vertex - edge circulator cw
ConstVertexEdgeCWIter cve_cwend(VertexHandle _vh) const
{ return ConstVertexEdgeCWIter(*this, _vh, true); }
/// const vertex - edge circulator ccw
ConstVertexEdgeCCWIter cve_ccwend(VertexHandle _vh) const
{ return ConstVertexEdgeCCWIter(*this, _vh, true); }
/// const vertex - face circulator
ConstVertexFaceIter cvf_end(VertexHandle _vh) const
{ return ConstVertexFaceIter(*this, _vh, true); }
/// const vertex - face circulator cw
ConstVertexFaceCWIter cvf_cwend(VertexHandle _vh) const
{ return ConstVertexFaceCWIter(*this, _vh, true); }
/// const vertex - face circulator ccw
ConstVertexFaceCCWIter cvf_ccwend(VertexHandle _vh) const
{ return ConstVertexFaceCCWIter(*this, _vh, true); }
/// face - vertex circulator
FaceVertexIter fv_end(FaceHandle _fh)
{ return FaceVertexIter(*this, _fh, true); }
/// face - vertex circulator cw
FaceVertexCWIter fv_cwend(FaceHandle _fh)
{ return FaceVertexCWIter(*this, _fh, true); }
/// face - vertex circulator ccw
FaceVertexCCWIter fv_ccwend(FaceHandle _fh)
{ return FaceVertexCCWIter(*this, _fh, true); }
/// face - halfedge circulator
FaceHalfedgeIter fh_end(FaceHandle _fh)
{ return FaceHalfedgeIter(*this, _fh, true); }
/// face - halfedge circulator cw
FaceHalfedgeCWIter fh_cwend(FaceHandle _fh)
{ return FaceHalfedgeCWIter(*this, _fh, true); }
/// face - halfedge circulator ccw
FaceHalfedgeCCWIter fh_ccwend(FaceHandle _fh)
{ return FaceHalfedgeCCWIter(*this, _fh, true); }
/// face - edge circulator
FaceEdgeIter fe_end(FaceHandle _fh)
{ return FaceEdgeIter(*this, _fh, true); }
/// face - edge circulator cw
FaceEdgeCWIter fe_cwend(FaceHandle _fh)
{ return FaceEdgeCWIter(*this, _fh, true); }
/// face - edge circulator ccw
FaceEdgeCCWIter fe_ccwend(FaceHandle _fh)
{ return FaceEdgeCCWIter(*this, _fh, true); }
/// face - face circulator
FaceFaceIter ff_end(FaceHandle _fh)
{ return FaceFaceIter(*this, _fh, true); }
/// face - face circulator cw
FaceFaceCWIter ff_cwend(FaceHandle _fh)
{ return FaceFaceCWIter(*this, _fh, true); }
/// face - face circulator ccw
FaceFaceCCWIter ff_ccwend(FaceHandle _fh)
{ return FaceFaceCCWIter(*this, _fh, true); }
/// face - face circulator
HalfedgeLoopIter hl_end(HalfedgeHandle _heh)
{ return HalfedgeLoopIter(*this, _heh, true); }
/// face - face circulator cw
HalfedgeLoopCWIter hl_cwend(HalfedgeHandle _heh)
{ return HalfedgeLoopCWIter(*this, _heh, true); }
/// face - face circulator ccw
HalfedgeLoopCCWIter hl_ccwend(HalfedgeHandle _heh)
{ return HalfedgeLoopCCWIter(*this, _heh, true); }
/// const face - vertex circulator
ConstFaceVertexIter cfv_end(FaceHandle _fh) const
{ return ConstFaceVertexIter(*this, _fh, true); }
/// const face - vertex circulator cw
ConstFaceVertexCWIter cfv_cwend(FaceHandle _fh) const
{ return ConstFaceVertexCWIter(*this, _fh, true); }
/// const face - vertex circulator ccw
ConstFaceVertexCCWIter cfv_ccwend(FaceHandle _fh) const
{ return ConstFaceVertexCCWIter(*this, _fh, true); }
/// const face - halfedge circulator
ConstFaceHalfedgeIter cfh_end(FaceHandle _fh) const
{ return ConstFaceHalfedgeIter(*this, _fh, true); }
/// const face - halfedge circulator cw
ConstFaceHalfedgeCWIter cfh_cwend(FaceHandle _fh) const
{ return ConstFaceHalfedgeCWIter(*this, _fh, true); }
/// const face - halfedge circulator ccw
ConstFaceHalfedgeCCWIter cfh_ccwend(FaceHandle _fh) const
{ return ConstFaceHalfedgeCCWIter(*this, _fh, true); }
/// const face - edge circulator
ConstFaceEdgeIter cfe_end(FaceHandle _fh) const
{ return ConstFaceEdgeIter(*this, _fh, true); }
/// const face - edge circulator cw
ConstFaceEdgeCWIter cfe_cwend(FaceHandle _fh) const
{ return ConstFaceEdgeCWIter(*this, _fh, true); }
/// const face - edge circulator ccw
ConstFaceEdgeCCWIter cfe_ccwend(FaceHandle _fh) const
{ return ConstFaceEdgeCCWIter(*this, _fh, true); }
/// const face - face circulator
ConstFaceFaceIter cff_end(FaceHandle _fh) const
{ return ConstFaceFaceIter(*this, _fh, true); }
/// const face - face circulator
ConstFaceFaceCWIter cff_cwend(FaceHandle _fh) const
{ return ConstFaceFaceCWIter(*this, _fh, true); }
/// const face - face circulator
ConstFaceFaceCCWIter cff_ccwend(FaceHandle _fh) const
{ return ConstFaceFaceCCWIter(*this, _fh, true); }
/// const face - face circulator
ConstHalfedgeLoopIter chl_end(HalfedgeHandle _heh) const
{ return ConstHalfedgeLoopIter(*this, _heh, true); }
/// const face - face circulator cw
ConstHalfedgeLoopCWIter chl_cwend(HalfedgeHandle _heh) const
{ return ConstHalfedgeLoopCWIter(*this, _heh, true); }
/// const face - face circulator ccw
ConstHalfedgeLoopCCWIter chl_ccwend(HalfedgeHandle _heh) const
{ return ConstHalfedgeLoopCCWIter(*this, _heh, true); }
//@}
/** @name Range based iterators and circulators */

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@@ -2,6 +2,7 @@
#include <Unittests/unittests_common.hh>
#include <iostream>
#include <algorithm>
namespace {
@@ -129,6 +130,145 @@ TEST_F(OpenMeshTrimeshCirculatorFaceEdge, FaceEdgeIterWithoutHolesIncrement) {
}
}
/*
* test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorFaceEdge, CWAndCCWTest) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[6];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(3, 0, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
vhandle[5] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add three faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
/* Test setup:
*
* 0 ------ 2 ------ 4
* \ / \ /
* \ 0 / \ 2 /
* \ / 1 \ /
* 1 ------- 3
* \ /
* \ 3 /
* \ /
* \ /
* 5
*/
int indices[4] = {4, 1, 3, 4};
int rev_indices[4];
std::reverse_copy(indices,indices+4,rev_indices);
//CCW
Mesh::FaceEdgeCCWIter fe_ccwit = mesh_.fe_ccwbegin(mesh_.face_handle(1));
Mesh::FaceEdgeCCWIter fe_ccwend = mesh_.fe_ccwend(mesh_.face_handle(1));
size_t i = 0;
for (;fe_ccwit != fe_ccwend; ++fe_ccwit, ++i)
{
EXPECT_EQ(indices[i], fe_ccwit->idx()) << "Index wrong in FaceEdgeCCWIter";
}
EXPECT_FALSE(fe_ccwit.is_valid()) << "Iterator invalid in FaceEdgeCCWIter at end";
EXPECT_TRUE( fe_ccwit == fe_ccwend ) << "End iterator for FaceEdgeCCWIter not matching";
//constant CCW
Mesh::ConstFaceEdgeCCWIter cfe_ccwit = mesh_.cfe_ccwbegin(mesh_.face_handle(1));
Mesh::ConstFaceEdgeCCWIter cfe_ccwend = mesh_.cfe_ccwend(mesh_.face_handle(1));
i = 0;
for (;cfe_ccwit != cfe_ccwend; ++cfe_ccwit, ++i)
{
EXPECT_EQ(indices[i], cfe_ccwit->idx()) << "Index wrong in ConstFaceEdgeCCWIter";
}
EXPECT_FALSE(cfe_ccwit.is_valid()) << "Iterator invalid in ConstFaceEdgeCCWIter at end";
EXPECT_TRUE( cfe_ccwit == cfe_ccwend ) << "End iterator for ConstFaceEdgeCCWIter not matching";
//CW
Mesh::FaceEdgeCWIter fe_cwit = mesh_.fe_cwbegin(mesh_.face_handle(1));
Mesh::FaceEdgeCWIter fe_cwend = mesh_.fe_cwend(mesh_.face_handle(1));
i = 0;
for (;fe_cwit != fe_cwend; ++fe_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], fe_cwit->idx()) << "Index wrong in FaceEdgeCWIter";
}
EXPECT_FALSE(fe_cwit.is_valid()) << "Iterator invalid in FaceEdgeCWIter at end";
EXPECT_TRUE( fe_cwit == fe_cwend ) << "End iterator for FaceEdgeCWIter not matching";
//constant CW
Mesh::ConstFaceEdgeCWIter cfe_cwit = mesh_.cfe_cwbegin(mesh_.face_handle(1));
Mesh::ConstFaceEdgeCWIter cfe_cwend = mesh_.cfe_cwend(mesh_.face_handle(1));
i = 0;
for (;cfe_cwit != cfe_cwend; ++cfe_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cfe_cwit->idx()) << "Index wrong in ConstFaceEdgeCWIter";
}
EXPECT_FALSE(cfe_cwit.is_valid()) << "Iterator invalid in ConstFaceEdgeCWIter at end";
EXPECT_TRUE( cfe_cwit == cfe_cwend ) << "End iterator for ConstFaceEdgeCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::FaceEdgeCWIter fe_cwIter = mesh_.fe_cwbegin(mesh_.face_handle(1));
// a)
EXPECT_TRUE( fe_cwIter == Mesh::FaceEdgeCWIter(mesh_.fe_ccwbegin(mesh_.face_handle(1))) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::FaceEdgeCCWIter(fe_cwIter) == mesh_.fe_ccwbegin(mesh_.face_handle(1)) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( fe_cwIter->idx(), Mesh::FaceEdgeCCWIter(fe_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++fe_cwIter;
fe_ccwend = mesh_.fe_ccwend(mesh_.face_handle(1));
--fe_ccwend;
EXPECT_EQ(fe_cwIter->idx(),fe_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
fe_ccwend = Mesh::FaceEdgeCCWIter(fe_cwIter);
EXPECT_EQ(fe_cwIter->idx(),fe_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
fe_cwIter = Mesh::FaceEdgeCWIter(mesh_.fe_ccwend(mesh_.face_handle(1)));
EXPECT_FALSE(fe_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::FaceEdgeCCWIter(mesh_.fe_cwend(mesh_.face_handle(1))) == mesh_.fe_ccwend(mesh_.face_handle(1))) << "end iterators are not equal";
}
/*
* Test if the end iterator stays invalid after one lap

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@@ -2,6 +2,7 @@
#include <Unittests/unittests_common.hh>
#include <iostream>
#include <algorithm>
namespace {
@@ -205,6 +206,146 @@ TEST_F(OpenMeshTrimeshCirculatorFaceFace, FaceFaceIterWithoutHoles) {
}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorFaceFace, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[6];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(3, 0, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
vhandle[5] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add three faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
/* Test setup:
*
* 0 ------ 2 ------ 4
* \ / \ /
* \ 0 / \ 2 /
* \ / 1 \ /
* 1 ------- 3
* \ /
* \ 3 /
* \ /
* \ /
* 5
*/
int indices[4] = {2, 0, 3, 2};
int rev_indices[4];
std::reverse_copy(indices,indices+4,rev_indices);
//CCW
Mesh::FaceFaceCCWIter ff_ccwit = mesh_.ff_ccwbegin(mesh_.face_handle(1));
Mesh::FaceFaceCCWIter ff_ccwend = mesh_.ff_ccwend(mesh_.face_handle(1));
size_t i = 0;
for (;ff_ccwit != ff_ccwend; ++ff_ccwit, ++i)
{
EXPECT_EQ(indices[i], ff_ccwit->idx()) << "Index wrong in FaceFaceCCWIter";
}
EXPECT_FALSE(ff_ccwit.is_valid()) << "Iterator invalid in FaceFaceCCWIter at end";
EXPECT_TRUE( ff_ccwit == ff_ccwend ) << "End iterator for FaceFaceCCWIter not matching";
//constant CCW
Mesh::ConstFaceFaceCCWIter cff_ccwit = mesh_.cff_ccwbegin(mesh_.face_handle(1));
Mesh::ConstFaceFaceCCWIter cff_ccwend = mesh_.cff_ccwend(mesh_.face_handle(1));
i = 0;
for (;cff_ccwit != cff_ccwend; ++cff_ccwit, ++i)
{
EXPECT_EQ(indices[i], cff_ccwit->idx()) << "Index wrong in ConstFaceFaceCCWIter";
}
EXPECT_FALSE(cff_ccwit.is_valid()) << "Iterator invalid in ConstFaceFaceCCWIter at end";
EXPECT_TRUE( cff_ccwit == cff_ccwend ) << "End iterator for ConstFaceFaceCCWIter not matching";
//CW
Mesh::FaceFaceCWIter ff_cwit = mesh_.ff_cwbegin(mesh_.face_handle(1));
Mesh::FaceFaceCWIter ff_cwend = mesh_.ff_cwend(mesh_.face_handle(1));
i = 0;
for (;ff_cwit != ff_cwend; ++ff_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], ff_cwit->idx()) << "Index wrong in FaceFaceCWIter";
}
EXPECT_FALSE(ff_cwit.is_valid()) << "Iterator invalid in FaceFaceCWIter at end";
EXPECT_TRUE( ff_cwit == ff_cwend ) << "End iterator for FaceFaceCWIter not matching";
//constant CW
Mesh::ConstFaceFaceCWIter cff_cwit = mesh_.cff_cwbegin(mesh_.face_handle(1));
Mesh::ConstFaceFaceCWIter cff_cwend = mesh_.cff_cwend(mesh_.face_handle(1));
i = 0;
for (;cff_cwit != cff_cwend; ++cff_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cff_cwit->idx()) << "Index wrong in ConstFaceFaceCWIter";
}
EXPECT_FALSE(cff_cwit.is_valid()) << "Iterator invalid in ConstFaceFaceCWIter at end";
EXPECT_TRUE( cff_cwit == cff_cwend ) << "End iterator for ConstFaceFaceCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::FaceFaceCWIter ff_cwIter = mesh_.ff_cwbegin(mesh_.face_handle(1));
// a)
EXPECT_TRUE( ff_cwIter == Mesh::FaceFaceCWIter(mesh_.ff_ccwbegin(mesh_.face_handle(1))) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::FaceFaceCCWIter(ff_cwIter) == mesh_.ff_ccwbegin(mesh_.face_handle(1)) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( ff_cwIter->idx(), Mesh::FaceFaceCCWIter(ff_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++ff_cwIter;
ff_ccwend = mesh_.ff_ccwend(mesh_.face_handle(1));
--ff_ccwend;
EXPECT_EQ(ff_cwIter->idx(),ff_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
ff_ccwend = Mesh::FaceFaceCCWIter(ff_cwIter);
EXPECT_EQ(ff_cwIter->idx(),ff_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
ff_cwIter = Mesh::FaceFaceCWIter(mesh_.ff_ccwend(mesh_.face_handle(1)));
EXPECT_FALSE(ff_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::FaceFaceCCWIter(mesh_.ff_cwend(mesh_.face_handle(1))) == mesh_.ff_ccwend(mesh_.face_handle(1))) << "end iterators are not equal";
}
/*

View File

@@ -2,6 +2,7 @@
#include <Unittests/unittests_common.hh>
#include <iostream>
#include <algorithm>
namespace {
@@ -127,6 +128,146 @@ TEST_F(OpenMeshTrimeshCirculatorFaceHalfEdge, FaceHalfedgeIterWithoutHolesIncrem
}
/*
* test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorFaceHalfEdge, CWAndCCWTest) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[6];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(3, 0, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
vhandle[5] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add three faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
/* Test setup:
*
* 0 ------ 2 ------ 4
* \ / \ /
* \ 0 / \ 2 /
* \ / 1 \ /
* 1 ------- 3
* \ /
* \ 3 /
* \ /
* \ /
* 5
*/
int indices[4] = {8, 3, 6, 8};
int rev_indices[4];
std::reverse_copy(indices,indices+4,rev_indices);
//CCW
Mesh::FaceHalfedgeIter fh_ccwit = mesh_.fh_ccwbegin(mesh_.face_handle(1));
Mesh::FaceHalfedgeIter fh_ccwend = mesh_.fh_ccwend(mesh_.face_handle(1));
size_t i = 0;
for (;fh_ccwit != fh_ccwend; ++fh_ccwit, ++i)
{
EXPECT_EQ(indices[i], fh_ccwit->idx()) << "Index wrong in FaceHalfedgeIter";
}
EXPECT_FALSE(fh_ccwit.is_valid()) << "Iterator invalid in FaceHalfedgeIter at end";
EXPECT_TRUE( fh_ccwit == fh_ccwend ) << "End iterator for FaceHalfedgeIter not matching";
//constant CCW
Mesh::ConstFaceHalfedgeIter cfh_ccwit = mesh_.cfh_ccwbegin(mesh_.face_handle(1));
Mesh::ConstFaceHalfedgeIter cfh_ccwend = mesh_.cfh_ccwend(mesh_.face_handle(1));
i = 0;
for (;cfh_ccwit != cfh_ccwend; ++cfh_ccwit, ++i)
{
EXPECT_EQ(indices[i], cfh_ccwit->idx()) << "Index wrong in ConstFaceHalfedgeIter";
}
EXPECT_FALSE(cfh_ccwit.is_valid()) << "Iterator invalid in ConstFaceHalfedgeIter at end";
EXPECT_TRUE( cfh_ccwit == cfh_ccwend ) << "End iterator for ConstFaceHalfedgeIter not matching";
//CW
Mesh::FaceHalfedgeCWIter fh_cwit = mesh_.fh_cwbegin(mesh_.face_handle(1));
Mesh::FaceHalfedgeCWIter fh_cwend = mesh_.fh_cwend(mesh_.face_handle(1));
i = 0;
for (;fh_cwit != fh_cwend; ++fh_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], fh_cwit->idx()) << "Index wrong in FaceHalfedgeCWIter";
}
EXPECT_FALSE(fh_cwit.is_valid()) << "Iterator invalid in FaceHalfedgeCWIter at end";
EXPECT_TRUE( fh_cwit == fh_cwend ) << "End iterator for FaceHalfedgeCWIter not matching";
//constant CW
Mesh::ConstFaceHalfedgeCWIter cfh_cwit = mesh_.cfh_cwbegin(mesh_.face_handle(1));
Mesh::ConstFaceHalfedgeCWIter cfh_cwend = mesh_.cfh_cwend(mesh_.face_handle(1));
i = 0;
for (;cfh_cwit != cfh_cwend; ++cfh_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cfh_cwit->idx()) << "Index wrong in ConstFaceHalfedgeCWIter";
}
EXPECT_FALSE(cfh_cwit.is_valid()) << "Iterator invalid in ConstFaceHalfedgeCWIter at end";
EXPECT_TRUE( cfh_cwit == cfh_cwend ) << "End iterator for ConstFaceHalfedgeCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::FaceHalfedgeCWIter fh_cwIter = mesh_.fh_cwbegin(mesh_.face_handle(1));
// a)
EXPECT_TRUE( fh_cwIter == Mesh::FaceHalfedgeCWIter(mesh_.fh_ccwbegin(mesh_.face_handle(1))) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::FaceHalfedgeCCWIter(fh_cwIter) == mesh_.fh_ccwbegin(mesh_.face_handle(1)) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( fh_cwIter->idx(), Mesh::FaceHalfedgeCCWIter(fh_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++fh_cwIter;
fh_ccwend = mesh_.fh_ccwend(mesh_.face_handle(1));
--fh_ccwend;
EXPECT_EQ(fh_cwIter->idx(),fh_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
fh_ccwend = Mesh::FaceHalfedgeCCWIter(fh_cwIter);
EXPECT_EQ(fh_cwIter->idx(),fh_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
fh_cwIter = Mesh::FaceHalfedgeCWIter(mesh_.fh_ccwend(mesh_.face_handle(1)));
EXPECT_FALSE(fh_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::FaceHalfedgeCCWIter(mesh_.fh_cwend(mesh_.face_handle(1))) == mesh_.fh_ccwend(mesh_.face_handle(1))) << "end iterators are not equal";
}
/*
* Test if the end iterator stays invalid after one lap

View File

@@ -206,5 +206,139 @@ TEST_F(OpenMeshTrimeshCirculatorFaceVertex, FaceVertexIterCheckInvalidationAtEnd
}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorFaceVertex, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
int indices[4] = {0, 1, 2, 0};
int rev_indices[4];
std::reverse_copy(indices,indices+4,rev_indices);
//CCW
Mesh::FaceVertexCCWIter fv_ccwit = mesh_.fv_ccwbegin(fh0);
Mesh::FaceVertexCCWIter fv_ccwend = mesh_.fv_ccwend(fh0);
size_t i = 0;
for (;fv_ccwit != fv_ccwend; ++fv_ccwit, ++i)
{
EXPECT_EQ(indices[i], fv_ccwit->idx()) << "Index wrong in FaceVertexCCWIter";
}
EXPECT_FALSE(fv_ccwit.is_valid()) << "Iterator invalid in FaceVertexCCWIter at end";
EXPECT_TRUE( fv_ccwit == fv_ccwend ) << "End iterator for FaceVertexCCWIter not matching";
//constant CCW
Mesh::ConstFaceVertexCCWIter cfv_ccwit = mesh_.cfv_ccwbegin(fh0);
Mesh::ConstFaceVertexCCWIter cfv_ccwend = mesh_.cfv_ccwend(fh0);
i = 0;
for (;cfv_ccwit != cfv_ccwend; ++cfv_ccwit, ++i)
{
EXPECT_EQ(indices[i], cfv_ccwit->idx()) << "Index wrong in ConstFaceVertexCCWIter";
}
EXPECT_FALSE(cfv_ccwit.is_valid()) << "Iterator invalid in ConstFaceVertexCCWIter at end";
EXPECT_TRUE( cfv_ccwit == cfv_ccwend ) << "End iterator for ConstFaceVertexCCWIter not matching";
//CW
Mesh::FaceVertexCWIter fv_cwit = mesh_.fv_cwbegin(fh0);
Mesh::FaceVertexCWIter fv_cwend = mesh_.fv_cwend(fh0);
i = 0;
for (;fv_cwit != fv_cwend; ++fv_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], fv_cwit->idx()) << "Index wrong in FaceVertexCWIter";
}
EXPECT_FALSE(fv_cwit.is_valid()) << "Iterator invalid in FaceVertexCWIter at end";
EXPECT_TRUE( fv_cwit == fv_cwend ) << "End iterator for FaceVertexCWIter not matching";
//constant CW
Mesh::ConstFaceVertexCWIter cfv_cwit = mesh_.cfv_cwbegin(fh0);
Mesh::ConstFaceVertexCWIter cfv_cwend = mesh_.cfv_cwend(fh0);
i = 0;
for (;cfv_cwit != cfv_cwend; ++cfv_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cfv_cwit->idx()) << "Index wrong in ConstFaceVertexCWIter";
}
EXPECT_FALSE(cfv_cwit.is_valid()) << "Iterator invalid in ConstFaceVertexCWIter at end";
EXPECT_TRUE( cfv_cwit == cfv_cwend ) << "End iterator for ConstFaceVertexCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::FaceVertexCWIter fv_cwIter = mesh_.fv_cwbegin(mesh_.face_handle(1));
// a)
EXPECT_TRUE( fv_cwIter == Mesh::FaceVertexCWIter(mesh_.fv_ccwbegin(mesh_.face_handle(1))) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::FaceVertexCCWIter(fv_cwIter) == mesh_.fv_ccwbegin(mesh_.face_handle(1)) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( fv_cwIter->idx(), Mesh::FaceVertexCCWIter(fv_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++fv_cwIter;
fv_ccwend = mesh_.fv_ccwend(mesh_.face_handle(1));
--fv_ccwend;
EXPECT_EQ(fv_cwIter->idx(),fv_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
fv_ccwend = Mesh::FaceVertexCCWIter(fv_cwIter);
EXPECT_EQ(fv_cwIter->idx(),fv_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
fv_cwIter = Mesh::FaceVertexCWIter(mesh_.fv_ccwend(mesh_.face_handle(1)));
EXPECT_FALSE(fv_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::FaceVertexCCWIter(mesh_.fv_cwend(mesh_.face_handle(1))) == mesh_.fv_ccwend(mesh_.face_handle(1))) << "end iterators are not equal";
}
}

View File

@@ -226,4 +226,144 @@ TEST_F(OpenMeshTrimeshCirculatorHalfedgeLoop, HalfedgeLoopWithoutFace) {
}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorHalfedgeLoop, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[6];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(3, 0, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(4, 1, 0));
vhandle[5] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add three faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
/* Test setup:
*
* 0 ------ 2 ------ 4
* \ / \ /
* \ 0 / \ 2 /
* \ / 1 \ /
* 1 ------- 3
* \ /
* \ 3 /
* \ /
* \ /
* 5
*/
int indices[4] = {3, 8, 6, 3};
int rev_indices[4];
std::reverse_copy(indices,indices+4,rev_indices);
//CCW
Mesh::HalfedgeLoopCCWIter hl_ccwit = mesh_.hl_ccwbegin(mesh_.halfedge_handle(3));
Mesh::HalfedgeLoopCCWIter hl_ccwend = mesh_.hl_ccwend(mesh_.halfedge_handle(3));
size_t i = 0;
for (;hl_ccwit != hl_ccwend; ++hl_ccwit, ++i)
{
EXPECT_EQ(indices[i], hl_ccwit->idx()) << "Index wrong in HalfedgeLoopCCWIter";
}
EXPECT_FALSE(hl_ccwit.is_valid()) << "Iterator invalid in HalfedgeLoopCCWIter at end";
EXPECT_TRUE( hl_ccwit == hl_ccwend ) << "End iterator for HalfedgeLoopCCWIter not matching";
//constant CCW
Mesh::ConstHalfedgeLoopCCWIter chl_ccwit = mesh_.chl_ccwbegin(mesh_.halfedge_handle(3));
Mesh::ConstHalfedgeLoopCCWIter chl_ccwend = mesh_.chl_ccwend(mesh_.halfedge_handle(3));
i = 0;
for (;chl_ccwit != chl_ccwend; ++chl_ccwit, ++i)
{
EXPECT_EQ(indices[i], chl_ccwit->idx()) << "Index wrong in ConstHalfedgeLoopCCWIter";
}
EXPECT_FALSE(chl_ccwit.is_valid()) << "Iterator invalid in ConstHalfedgeLoopCCWIter at end";
EXPECT_TRUE( chl_ccwit == chl_ccwend ) << "End iterator for ConstHalfedgeLoopCCWIter not matching";
//CW
Mesh::HalfedgeLoopCWIter hl_cwit = mesh_.hl_cwbegin(mesh_.halfedge_handle(3));
Mesh::HalfedgeLoopCWIter hl_cwend = mesh_.hl_cwend(mesh_.halfedge_handle(3));
i = 0;
for (;hl_cwit != hl_cwend; ++hl_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], hl_cwit->idx()) << "Index wrong in HalfedgeLoopCWIter";
}
EXPECT_FALSE(hl_cwit.is_valid()) << "Iterator invalid in HalfedgeLoopCWIter at end";
EXPECT_TRUE( hl_cwit == hl_cwend ) << "End iterator for HalfedgeLoopCWIter not matching";
//constant CW
Mesh::ConstHalfedgeLoopCWIter chl_cwit = mesh_.chl_cwbegin(mesh_.halfedge_handle(3));
Mesh::ConstHalfedgeLoopCWIter chl_cwend = mesh_.chl_cwend(mesh_.halfedge_handle(3));
i = 0;
for (;chl_cwit != chl_cwend; ++chl_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], chl_cwit->idx()) << "Index wrong in ConstHalfedgeLoopCWIter";
}
EXPECT_FALSE(chl_cwit.is_valid()) << "Iterator invalid in ConstHalfedgeLoopCWIter at end";
EXPECT_TRUE( chl_cwit == chl_cwend ) << "End iterator for ConstHalfedgeLoopCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::HalfedgeLoopCWIter hl_cwIter = mesh_.hl_cwbegin(mesh_.halfedge_handle(3));
// a)
EXPECT_TRUE( hl_cwIter == Mesh::HalfedgeLoopCWIter(mesh_.hl_ccwbegin(mesh_.halfedge_handle(3))) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::HalfedgeLoopCCWIter(hl_cwIter) == mesh_.hl_ccwbegin(mesh_.halfedge_handle(3)) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( hl_cwIter->idx(), Mesh::HalfedgeLoopCCWIter(hl_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++hl_cwIter;
hl_ccwend = mesh_.hl_ccwend(mesh_.halfedge_handle(3));
--hl_ccwend;
EXPECT_EQ(hl_cwIter->idx(),hl_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
hl_ccwend = Mesh::HalfedgeLoopCCWIter(hl_cwIter);
EXPECT_EQ(hl_cwIter->idx(),hl_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
hl_cwIter = Mesh::HalfedgeLoopCWIter(mesh_.hl_ccwend(mesh_.halfedge_handle(3)));
EXPECT_FALSE(hl_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::HalfedgeLoopCCWIter(mesh_.hl_cwend(mesh_.halfedge_handle(3))) == mesh_.hl_ccwend(mesh_.halfedge_handle(3))) << "end iterators are not equal";
}
}

View File

@@ -280,4 +280,138 @@ TEST_F(OpenMeshTrimeshCirculatorVertexEdge, VertexEdgeIterCheckInvalidationAtEnd
}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorVertexEdge, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
int indices[5] = {5, 1, 0, 3, 5};
int rev_indices[5];
std::reverse_copy(indices,indices+5,rev_indices);
//CCW
Mesh::VertexEdgeCCWIter ve_ccwit = mesh_.ve_ccwbegin(vhandle[1]);
Mesh::VertexEdgeCCWIter ve_ccwend = mesh_.ve_ccwend(vhandle[1]);
size_t i = 0;
for (;ve_ccwit != ve_ccwend; ++ve_ccwit, ++i)
{
EXPECT_EQ(indices[i], ve_ccwit->idx()) << "Index wrong in VertexEdgeCCWIter";
}
EXPECT_FALSE(ve_ccwit.is_valid()) << "Iterator invalid in VertexEdgeCCWIter at end";
EXPECT_TRUE( ve_ccwit == ve_ccwend ) << "End iterator for VertexEdgeCCWIter not matching";
//constant CCW
Mesh::ConstVertexEdgeCCWIter cve_ccwit = mesh_.cve_ccwbegin(vhandle[1]);
Mesh::ConstVertexEdgeCCWIter cve_ccwend = mesh_.cve_ccwend(vhandle[1]);
i = 0;
for (;cve_ccwit != cve_ccwend; ++cve_ccwit, ++i)
{
EXPECT_EQ(indices[i], cve_ccwit->idx()) << "Index wrong in ConstVertexEdgeCCWIter";
}
EXPECT_FALSE(cve_ccwit.is_valid()) << "Iterator invalid in ConstVertexEdgeCCWIter at end";
EXPECT_TRUE( cve_ccwit == cve_ccwend ) << "End iterator for ConstVertexEdgeCCWIter not matching";
//CW
Mesh::VertexEdgeCWIter ve_cwit = mesh_.ve_cwbegin(vhandle[1]);
Mesh::VertexEdgeCWIter ve_cwend = mesh_.ve_cwend(vhandle[1]);
i = 0;
for (;ve_cwit != ve_cwend; ++ve_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], ve_cwit->idx()) << "Index wrong in VertexEdgeCWIter";
}
EXPECT_FALSE(ve_cwit.is_valid()) << "Iterator invalid in VertexEdgeCWIter at end";
EXPECT_TRUE( ve_cwit == ve_cwend ) << "End iterator for VertexEdgeCWIter not matching";
//constant CW
Mesh::ConstVertexEdgeCWIter cve_cwit = mesh_.cve_cwbegin(vhandle[1]);
Mesh::ConstVertexEdgeCWIter cve_cwend = mesh_.cve_cwend(vhandle[1]);
i = 0;
for (;cve_cwit != cve_cwend; ++cve_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cve_cwit->idx()) << "Index wrong in ConstVertexEdgeCWIter";
}
EXPECT_FALSE(cve_cwit.is_valid()) << "Iterator invalid in ConstVertexEdgeCWIter at end";
EXPECT_TRUE( cve_cwit == cve_cwend ) << "End iterator for ConstVertexEdgeCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::VertexEdgeCWIter ve_cwIter = mesh_.ve_cwbegin(vhandle[1]);
// a)
EXPECT_TRUE( ve_cwIter == Mesh::VertexEdgeCWIter(mesh_.ve_ccwbegin(vhandle[1])) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::VertexEdgeCCWIter(ve_cwIter) == mesh_.ve_ccwbegin(vhandle[1]) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( ve_cwIter->idx(), Mesh::VertexEdgeCCWIter(ve_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++ve_cwIter;
ve_ccwend = mesh_.ve_ccwend(vhandle[1]);
--ve_ccwend;
EXPECT_EQ(ve_cwIter->idx(),ve_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
ve_ccwend = Mesh::VertexEdgeCCWIter(ve_cwIter);
EXPECT_EQ(ve_cwIter->idx(),ve_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
ve_cwIter = Mesh::VertexEdgeCWIter(mesh_.ve_ccwend(vhandle[1]));
EXPECT_FALSE(ve_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::VertexEdgeCCWIter(mesh_.ve_cwend(vhandle[1])) == mesh_.ve_ccwend(vhandle[1])) << "end iterators are not equal";
}
}

View File

@@ -451,4 +451,139 @@ TEST_F(OpenMeshTrimeshCirculatorVertexFace, VertexFaceIterWithoutHolesDecrement)
}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorVertexFace, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
int indices[5] = {3, 0, 2, 1, 3};
int rev_indices[5];
std::reverse_copy(indices,indices+5,rev_indices);
//CCW
Mesh::VertexFaceCCWIter vf_ccwit = mesh_.vf_ccwbegin(vhandle[1]);
Mesh::VertexFaceCCWIter vf_ccwend = mesh_.vf_ccwend(vhandle[1]);
size_t i = 0;
for (;vf_ccwit != vf_ccwend; ++vf_ccwit, ++i)
{
EXPECT_EQ(indices[i], vf_ccwit->idx()) << "Index wrong in VertexFaceCCWIter";
}
EXPECT_FALSE(vf_ccwit.is_valid()) << "Iterator invalid in VertexFaceCCWIter at end";
EXPECT_TRUE( vf_ccwit == vf_ccwend ) << "End iterator for VertexFaceCCWIter not matching";
//constant CCW
Mesh::ConstVertexFaceCCWIter cvf_ccwit = mesh_.cvf_ccwbegin(vhandle[1]);
Mesh::ConstVertexFaceCCWIter cvf_ccwend = mesh_.cvf_ccwend(vhandle[1]);
i = 0;
for (;cvf_ccwit != cvf_ccwend; ++cvf_ccwit, ++i)
{
EXPECT_EQ(indices[i], cvf_ccwit->idx()) << "Index wrong in ConstVertexFaceCCWIter";
}
EXPECT_FALSE(cvf_ccwit.is_valid()) << "Iterator invalid in ConstVertexFaceCCWIter at end";
EXPECT_TRUE( cvf_ccwit == cvf_ccwend ) << "End iterator for ConstVertexFaceCCWIter not matching";
//CW
Mesh::VertexFaceCWIter vf_cwit = mesh_.vf_cwbegin(vhandle[1]);
Mesh::VertexFaceCWIter vf_cwend = mesh_.vf_cwend(vhandle[1]);
i = 0;
for (;vf_cwit != vf_cwend; ++vf_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], vf_cwit->idx()) << "Index wrong in VertexFaceCWIter";
}
EXPECT_FALSE(vf_cwit.is_valid()) << "Iterator invalid in VertexFaceCWIter at end";
EXPECT_TRUE( vf_cwit == vf_cwend ) << "End iterator for VertexFaceCWIter not matching";
//constant CW
Mesh::ConstVertexFaceCWIter cvf_cwit = mesh_.cvf_cwbegin(vhandle[1]);
Mesh::ConstVertexFaceCWIter cvf_cwend = mesh_.cvf_cwend(vhandle[1]);
i = 0;
for (;cvf_cwit != cvf_cwend; ++cvf_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cvf_cwit->idx()) << "Index wrong in ConstVertexFaceCWIter";
}
EXPECT_FALSE(cvf_cwit.is_valid()) << "Iterator invalid in ConstVertexFaceCWIter at end";
EXPECT_TRUE( cvf_cwit == cvf_cwend ) << "End iterator for ConstVertexFaceCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::VertexFaceCWIter vf_cwIter = mesh_.vf_cwbegin(vhandle[1]);
// a)
EXPECT_TRUE( vf_cwIter == Mesh::VertexFaceCWIter(mesh_.vf_ccwbegin(vhandle[1])) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::VertexFaceCCWIter(vf_cwIter) == mesh_.vf_ccwbegin(vhandle[1]) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( vf_cwIter->idx(), Mesh::VertexFaceCCWIter(vf_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++vf_cwIter;
vf_ccwend = mesh_.vf_ccwend(vhandle[1]);
--vf_ccwend;
EXPECT_EQ(vf_cwIter->idx(),vf_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
vf_ccwend = Mesh::VertexFaceCCWIter(vf_cwIter);
EXPECT_EQ(vf_cwIter->idx(),vf_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
vf_cwIter = Mesh::VertexFaceCWIter(mesh_.vf_ccwend(vhandle[1]));
EXPECT_FALSE(vf_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::VertexFaceCCWIter(mesh_.vf_cwend(vhandle[1])) == mesh_.vf_ccwend(vhandle[1])) << "end iterators are not equal";
}
}

View File

@@ -394,5 +394,139 @@ TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, VertexIHalfEdgeIterCheckInvalid
}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorVertexIHalfEdge, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
int indices[4] = {14, 5, 2, 14};
int rev_indices[4];
std::reverse_copy(indices,indices+4,rev_indices);
//CCW
Mesh::VertexIHalfedgeCCWIter vih_ccwit = mesh_.vih_ccwbegin(vhandle[2]);
Mesh::VertexIHalfedgeCCWIter vih_ccwend = mesh_.vih_ccwend(vhandle[2]);
size_t i = 0;
for (;vih_ccwit != vih_ccwend; ++vih_ccwit, ++i)
{
EXPECT_EQ(indices[i], vih_ccwit->idx()) << "Index wrong in VertexIHalfedgeCCWIter";
}
EXPECT_FALSE(vih_ccwit.is_valid()) << "Iterator invalid in VertexIHalfedgeCCWIter at end";
EXPECT_TRUE( vih_ccwit == vih_ccwend ) << "End iterator for VertexIHalfedgeCCWIter not matching";
//constant CCW
Mesh::ConstVertexIHalfedgeCCWIter cvih_ccwit = mesh_.cvih_ccwbegin(vhandle[2]);
Mesh::ConstVertexIHalfedgeCCWIter cvih_ccwend = mesh_.cvih_ccwend(vhandle[2]);
i = 0;
for (;cvih_ccwit != cvih_ccwend; ++cvih_ccwit, ++i)
{
EXPECT_EQ(indices[i], cvih_ccwit->idx()) << "Index wrong in ConstVertexIHalfedgeCCWIter";
}
EXPECT_FALSE(cvih_ccwit.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeCCWIter at end";
EXPECT_TRUE( cvih_ccwit == cvih_ccwend ) << "End iterator for ConstVertexIHalfedgeCCWIter not matching";
//CW
Mesh::VertexIHalfedgeCWIter vih_cwit = mesh_.vih_cwbegin(vhandle[2]);
Mesh::VertexIHalfedgeCWIter vih_cwend = mesh_.vih_cwend(vhandle[2]);
i = 0;
for (;vih_cwit != vih_cwend; ++vih_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], vih_cwit->idx()) << "Index wrong in VertexIHalfedgeCWIter";
}
EXPECT_FALSE(vih_cwit.is_valid()) << "Iterator invalid in VertexIHalfedgeCWIter at end";
EXPECT_TRUE( vih_cwit == vih_cwend ) << "End iterator for VertexIHalfedgeCWIter not matching";
//constant CW
Mesh::ConstVertexIHalfedgeCWIter cvih_cwit = mesh_.cvih_cwbegin(vhandle[2]);
Mesh::ConstVertexIHalfedgeCWIter cvih_cwend = mesh_.cvih_cwend(vhandle[2]);
i = 0;
for (;cvih_cwit != cvih_cwend; ++cvih_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cvih_cwit->idx()) << "Index wrong in ConstVertexIHalfedgeCWIter";
}
EXPECT_FALSE(cvih_cwit.is_valid()) << "Iterator invalid in ConstVertexIHalfedgeCWIter at end";
EXPECT_TRUE( cvih_cwit == cvih_cwend ) << "End iterator for ConstVertexIHalfedgeCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::VertexIHalfedgeCWIter vih_cwIter = mesh_.vih_cwbegin(vhandle[2]);
// a)
EXPECT_TRUE( vih_cwIter == Mesh::VertexIHalfedgeCWIter(mesh_.vih_ccwbegin(vhandle[2])) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::VertexIHalfedgeCCWIter(vih_cwIter) == mesh_.vih_ccwbegin(vhandle[2]) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( vih_cwIter->idx(), Mesh::VertexIHalfedgeCCWIter(vih_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++vih_cwIter;
vih_ccwend = mesh_.vih_ccwend(vhandle[2]);
--vih_ccwend;
EXPECT_EQ(vih_cwIter->idx(),vih_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
vih_ccwend = Mesh::VertexIHalfedgeCCWIter(vih_cwIter);
EXPECT_EQ(vih_cwIter->idx(),vih_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
vih_cwIter = Mesh::VertexIHalfedgeCWIter(mesh_.vih_ccwend(vhandle[2]));
EXPECT_FALSE(vih_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::VertexIHalfedgeCCWIter(mesh_.vih_cwend(vhandle[2])) == mesh_.vih_ccwend(vhandle[2])) << "end iterators are not equal";
}
}

View File

@@ -394,6 +394,141 @@ TEST_F(OpenMeshTrimeshCirculatorVertexOHalfEdge, VertexOHalfEdgeIterCheckInvalid
}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorVertexOHalfEdge, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
int indices[5] = {11, 2, 1, 6, 11};
int rev_indices[5];
std::reverse_copy(indices,indices+5,rev_indices);
//CCW
Mesh::VertexOHalfedgeCCWIter voh_ccwit = mesh_.voh_ccwbegin(vhandle[1]);
Mesh::VertexOHalfedgeCCWIter voh_ccwend = mesh_.voh_ccwend(vhandle[1]);
size_t i = 0;
for (;voh_ccwit != voh_ccwend; ++voh_ccwit, ++i)
{
EXPECT_EQ(indices[i], voh_ccwit->idx()) << "Index wrong in VertexOHalfedgeCCWIter";
}
EXPECT_FALSE(voh_ccwit.is_valid()) << "Iterator invalid in VertexOHalfedgeCCWIter at end";
EXPECT_TRUE( voh_ccwit == voh_ccwend ) << "End iterator for VertexOHalfedgeCCWIter not matching";
//constant CCW
Mesh::ConstVertexOHalfedgeCCWIter cvoh_ccwit = mesh_.cvoh_ccwbegin(vhandle[1]);
Mesh::ConstVertexOHalfedgeCCWIter cvoh_ccwend = mesh_.cvoh_ccwend(vhandle[1]);
i = 0;
for (;cvoh_ccwit != cvoh_ccwend; ++cvoh_ccwit, ++i)
{
EXPECT_EQ(indices[i], cvoh_ccwit->idx()) << "Index wrong in ConstVertexOHalfedgeCCWIter";
}
EXPECT_FALSE(cvoh_ccwit.is_valid()) << "Iterator invalid in ConstVertexOHalfedgeCCWIter at end";
EXPECT_TRUE( cvoh_ccwit == cvoh_ccwend ) << "End iterator for ConstVertexOHalfedgeCCWIter not matching";
//CW
Mesh::VertexOHalfedgeCWIter voh_cwit = mesh_.voh_cwbegin(vhandle[1]);
Mesh::VertexOHalfedgeCWIter voh_cwend = mesh_.voh_cwend(vhandle[1]);
i = 0;
for (;voh_cwit != voh_cwend; ++voh_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], voh_cwit->idx()) << "Index wrong in VertexOHalfedgeCWIter";
}
EXPECT_FALSE(voh_cwit.is_valid()) << "Iterator invalid in VertexOHalfedgeCWIter at end";
EXPECT_TRUE( voh_cwit == voh_cwend ) << "End iterator for VertexOHalfedgeCWIter not matching";
//constant CW
Mesh::ConstVertexOHalfedgeCWIter cvoh_cwit = mesh_.cvoh_cwbegin(vhandle[1]);
Mesh::ConstVertexOHalfedgeCWIter cvoh_cwend = mesh_.cvoh_cwend(vhandle[1]);
i = 0;
for (;cvoh_cwit != cvoh_cwend; ++cvoh_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cvoh_cwit->idx()) << "Index wrong in ConstVertexOHalfedgeCWIter";
}
EXPECT_FALSE(cvoh_cwit.is_valid()) << "Iterator invalid in ConstVertexOHalfedgeCWIter at end";
EXPECT_TRUE( cvoh_cwit == cvoh_cwend ) << "End iterator for ConstVertexOHalfedgeCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::VertexOHalfedgeCWIter voh_cwIter = mesh_.voh_cwbegin(vhandle[1]);
// a)
EXPECT_TRUE( voh_cwIter == Mesh::VertexOHalfedgeCWIter(mesh_.voh_ccwbegin(vhandle[1])) ) << "ccw to cw conversion failed";
EXPECT_TRUE( Mesh::VertexOHalfedgeCCWIter(voh_cwIter) == mesh_.voh_ccwbegin(vhandle[1]) ) << "cw to ccw conversion failed";
// b)
EXPECT_EQ( voh_cwIter->idx(), Mesh::VertexOHalfedgeCCWIter(voh_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++voh_cwIter;
voh_ccwend = mesh_.voh_ccwend(vhandle[1]);
--voh_ccwend;
EXPECT_EQ(voh_cwIter->idx(),voh_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
voh_ccwend = Mesh::VertexOHalfedgeCCWIter(voh_cwIter);
EXPECT_EQ(voh_cwIter->idx(),voh_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
voh_cwIter = Mesh::VertexOHalfedgeCWIter(mesh_.voh_ccwend(vhandle[1]));
EXPECT_FALSE(voh_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::VertexOHalfedgeCCWIter(mesh_.voh_cwend(vhandle[1])) == mesh_.voh_ccwend(vhandle[1])) << "end iterators are not equal";
}
}

View File

@@ -283,6 +283,140 @@ TEST_F(OpenMeshTrimeshCirculatorVertexVertex, VertexVertexIterCheckInvalidationA
}
/*
* Test CW and CCW iterators
*/
TEST_F(OpenMeshTrimeshCirculatorVertexVertex, CWAndCCWCheck) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[5];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(2,-1, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
Mesh::FaceHandle fh0 = mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
|\ 0 /|
| \ / |
|2 1 3|
| / \ |
|/ 1 \|
3 ==== 4 */
int indices[5] = {4, 2, 0, 3, 4};
int rev_indices[5];
std::reverse_copy(indices,indices+5,rev_indices);
//CCW
Mesh::VertexVertexCCWIter vv_ccwit = mesh_.vv_ccwbegin(vhandle[1]);
Mesh::VertexVertexCCWIter vv_ccwend = mesh_.vv_ccwend(vhandle[1]);
size_t i = 0;
for (;vv_ccwit != vv_ccwend; ++vv_ccwit, ++i)
{
EXPECT_EQ(indices[i], vv_ccwit->idx()) << "Index wrong in VertexVertexCCWIter";
}
EXPECT_FALSE(vv_ccwit.is_valid()) << "Iterator invalid in VertexVertexCCWIter at end";
EXPECT_TRUE( vv_ccwit == vv_ccwend ) << "End iterator for VertexVertexCCWIter not matching";
//constant CCW
Mesh::ConstVertexVertexCCWIter cvv_ccwit = mesh_.cvv_ccwbegin(vhandle[1]);
Mesh::ConstVertexVertexCCWIter cvv_ccwend = mesh_.cvv_ccwend(vhandle[1]);
i = 0;
for (;cvv_ccwit != cvv_ccwend; ++cvv_ccwit, ++i)
{
EXPECT_EQ(indices[i], cvv_ccwit->idx()) << "Index wrong in ConstVertexVertexCCWIter";
}
EXPECT_FALSE(cvv_ccwit.is_valid()) << "Iterator invalid in ConstVertexVertexCCWIter at end";
EXPECT_TRUE( cvv_ccwit == cvv_ccwend ) << "End iterator for ConstVertexVertexCCWIter not matching";
//CW
Mesh::VertexVertexCWIter vv_cwit = mesh_.vv_cwbegin(vhandle[1]);
Mesh::VertexVertexCWIter vv_cwend = mesh_.vv_cwend(vhandle[1]);
i = 0;
for (;vv_cwit != vv_cwend; ++vv_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], vv_cwit->idx()) << "Index wrong in VertexVertexCWIter";
}
EXPECT_FALSE(vv_cwit.is_valid()) << "Iterator invalid in VertexVertexCWIter at end";
EXPECT_TRUE( vv_cwit == vv_cwend ) << "End iterator for VertexVertexCWIter not matching";
//constant CW
Mesh::ConstVertexVertexCWIter cvv_cwit = mesh_.cvv_cwbegin(vhandle[1]);
Mesh::ConstVertexVertexCWIter cvv_cwend = mesh_.cvv_cwend(vhandle[1]);
i = 0;
for (;cvv_cwit != cvv_cwend; ++cvv_cwit, ++i)
{
EXPECT_EQ(rev_indices[i], cvv_cwit->idx()) << "Index wrong in ConstVertexVertexCWIter";
}
EXPECT_FALSE(cvv_cwit.is_valid()) << "Iterator invalid in ConstVertexVertexCWIter at end";
EXPECT_TRUE( cvv_cwit == cvv_cwend ) << "End iterator for ConstVertexVertexCWIter not matching";
/*
* conversion properties:
* a) cw_begin == CWIter(ccw_begin())
* b) cw_iter->idx() == CCWIter(cw_iter)->idx() for valid iterators
* c) --cw_iter == CWIter(++ccwIter) for valid iterators
* d) cw_end == CWIter(ccw_end()) => --cw_end != CWIter(++ccw_end()) *
*/
Mesh::VertexVertexCWIter vv_cwIter = mesh_.vv_cwbegin(vhandle[1]);
// a)
EXPECT_TRUE( vv_cwIter == Mesh::VertexVertexCWIter(mesh_.vv_ccwbegin(vhandle[1])) ) << "ccw to cw convvrsion failed";
EXPECT_TRUE( Mesh::VertexVertexCCWIter(vv_cwIter) == mesh_.vv_ccwbegin(vhandle[1]) ) << "cw to ccw convvrsion failed";
// b)
EXPECT_EQ( vv_cwIter->idx(), Mesh::VertexVertexCCWIter(vv_cwIter)->idx()) << "iterators doesnt point on the same element";
// c)
++vv_cwIter;
vv_ccwend = mesh_.vv_ccwend(vhandle[1]);
--vv_ccwend;
EXPECT_EQ(vv_cwIter->idx(),vv_ccwend->idx()) << "iteratoes are not equal after inc/dec";
// additional conversion check
vv_ccwend = Mesh::VertexVertexCCWIter(vv_cwIter);
EXPECT_EQ(vv_cwIter->idx(),vv_ccwend->idx())<< "iterators doesnt point on the same element";
// d)
vv_cwIter = Mesh::VertexVertexCWIter(mesh_.vv_ccwend(vhandle[1]));
EXPECT_FALSE(vv_cwIter.is_valid()) << "end iterator is not invalid";
EXPECT_TRUE(Mesh::VertexVertexCCWIter(mesh_.vv_cwend(vhandle[1])) == mesh_.vv_ccwend(vhandle[1])) << "end iterators are not equal";
}
}