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add check if any inner points are in polygon when adding inner point
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@ -787,6 +787,54 @@ void AdFront3 :: SetStartFront (int /* baseelnp */)
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*/
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*/
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}
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}
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bool AdFront3 :: PointInsideGroup(const NgArray<PointIndex, PointIndex::BASE> &grouppindex,
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const NgArray<MiniElement2d> &groupfaces) const
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{
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for(auto pi : Range(points))
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{
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const auto& p = points[pi].P();
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bool found = false;
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for(const auto& f : groupfaces)
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{
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for(auto i : Range(3))
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if(grouppindex.Get(f.PNum(i+1)) == pi)
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{
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found = true;
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break;
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}
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}
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if(found)
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continue;
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// "random" direction
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Vec<3> dir = { 0.123871, 0.15432,-0.43989 };
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DenseMatrix a(3), ainv(3);
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Vector b(3), u(3);
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int count = 0;
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for(const auto& f : groupfaces)
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{
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const auto& p1 = points[grouppindex.Get(f.PNum(1))].P();
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auto v1 = points[grouppindex.Get(f.PNum(2))].P() - p1;
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auto v2 = points[grouppindex.Get(f.PNum(3))].P() - p1;
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for(auto i : Range(3))
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{
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a(i,0) = v1[i];
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a(i,1) = v2[i];
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a(i,2) = -dir[i];
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b(i) = p[i] - p1[i];
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}
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CalcInverse (a, ainv);
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ainv.Mult (b, u);
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if (u(0) >= 0 && u(1) >= 0 && u(0)+u(1) <= 1 &&
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u(2) > 0)
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count++;
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}
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if (count % 2 == 1)
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return true;
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}
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return false;
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}
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bool AdFront3 :: Inside (const Point<3> & p) const
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bool AdFront3 :: Inside (const Point<3> & p) const
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{
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{
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@ -262,6 +262,9 @@ public:
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void GetIntersectingFaces (const Point<3> & pmin, const Point<3> & pmax,
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void GetIntersectingFaces (const Point<3> & pmin, const Point<3> & pmax,
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NgArray<int> & ifaces) const;
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NgArray<int> & ifaces) const;
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bool PointInsideGroup(const NgArray<PointIndex, PointIndex::BASE> &grouppindex,
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const NgArray<MiniElement2d>& groupfaces) const;
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///
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///
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void GetFaceBoundingBox (int i, Box3d & box) const;
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void GetFaceBoundingBox (int i, Box3d & box) const;
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@ -372,7 +372,8 @@ GenerateMesh (Mesh & mesh, const MeshingParameters & mp)
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onlytri = 0;
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onlytri = 0;
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if (onlytri && groupfaces.Size() <= 20 + 2*stat.qualclass &&
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if (onlytri && groupfaces.Size() <= 20 + 2*stat.qualclass &&
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FindInnerPoint (grouppoints, groupfaces, inp))
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FindInnerPoint (grouppoints, groupfaces, inp) &&
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!adfront->PointInsideGroup(grouppindex, groupfaces))
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{
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{
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(*testout) << "inner point found" << endl;
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(*testout) << "inner point found" << endl;
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@ -139,7 +139,7 @@ endrule
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rule "Tetrahedron Vis a Vis Point (1)"
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rule "Tetrahedron Vis a Vis Point (1)"
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quality 100
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quality 20
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mappoints
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mappoints
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(0, 0, 0);
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(0, 0, 0);
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