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Added a simple IsWaterTight method

This commit is contained in:
Paolo Cignoni 2016-01-30 23:05:51 +00:00
parent 5394d354f9
commit 3330625ba6
1 changed files with 13 additions and 0 deletions
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13
vcg/complex/algorithms/clean.h
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@ -976,6 +976,19 @@ public:
} }
return nonManifoldCnt; return nonManifoldCnt;
} }
/// Very simple test of water tightness. No boundary and no non manifold edges.
/// Assume that it is orientable.
/// It could be debated if a closed non orientable surface is watertight or not.
///
/// The rationale of not testing orientability here is that
/// it requires FFAdj while this test do not require any adjacency.
///
static bool IsWaterTight(MeshType & m)
{
int edgeNum=0,edgeBorderNum=0,edgeNonManifNum=0;
CountEdgeNum(m, edgeNum, edgeBorderNum,edgeNonManifNum);
return (edgeBorderNum==0) && (edgeNonManifNum==0);
}
static void CountEdgeNum( MeshType & m, int &total_e, int &boundary_e, int &non_manif_e ) static void CountEdgeNum( MeshType & m, int &total_e, int &boundary_e, int &non_manif_e )
{ {