mirror of
https://github.com/NGSolve/netgen.git
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modernization SpecialPointCalculation
This commit is contained in:
Joachim Schöberl
parent
decb6c6e90
commit
ad69a9d5a5
@ -193,6 +193,125 @@ namespace netgen
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INSOLID_TYPE Solid ::
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PointInSolid (const Point<3> & p, double eps) const
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{
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switch (op)
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{
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case TERM: case TERM_REF:
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return prim->PointInSolid (p, eps);
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case SECTION:
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{
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auto res1 = s1->PointInSolid (p, eps);
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auto res2 = s2->PointInSolid (p, eps);
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if (res1 == IS_INSIDE && res2 == IS_INSIDE) return IS_INSIDE;
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if (res1 == IS_OUTSIDE || res2 == IS_OUTSIDE) return IS_OUTSIDE;
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return DOES_INTERSECT;
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}
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case UNION:
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{
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auto res1 = s1->PointInSolid (p, eps);
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auto res2 = s2->PointInSolid (p, eps);
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if (res1 == IS_INSIDE || res2 == IS_INSIDE) return IS_INSIDE;
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if (res1 == IS_OUTSIDE && res2 == IS_OUTSIDE) return IS_OUTSIDE;
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return DOES_INTERSECT;
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}
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case SUB:
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{
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auto res1 = s1->PointInSolid (p, eps);
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switch (res1)
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{
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case IS_INSIDE: return IS_OUTSIDE;
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case IS_OUTSIDE: return IS_INSIDE;
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default: return DOES_INTERSECT;
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}
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}
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case ROOT:
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return s1->PointInSolid (p, eps);
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}
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}
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INSOLID_TYPE Solid ::
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VecInSolid (const Point<3> & p, const Vec<3> & v, double eps) const
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{
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switch (op)
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{
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case TERM: case TERM_REF:
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return prim->VecInSolid (p, v, eps);
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case SECTION:
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{
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auto res1 = s1->VecInSolid (p, v, eps);
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auto res2 = s2->VecInSolid (p, v, eps);
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if (res1 == IS_INSIDE && res2 == IS_INSIDE) return IS_INSIDE;
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if (res1 == IS_OUTSIDE || res2 == IS_OUTSIDE) return IS_OUTSIDE;
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return DOES_INTERSECT;
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}
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case UNION:
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{
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auto res1 = s1->VecInSolid (p, v, eps);
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auto res2 = s2->VecInSolid (p, v, eps);
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if (res1 == IS_INSIDE || res2 == IS_INSIDE) return IS_INSIDE;
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if (res1 == IS_OUTSIDE && res2 == IS_OUTSIDE) return IS_OUTSIDE;
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return DOES_INTERSECT;
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}
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case SUB:
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{
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auto res1 = s1->VecInSolid (p, v, eps);
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switch (res1)
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{
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case IS_INSIDE: return IS_OUTSIDE;
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case IS_OUTSIDE: return IS_INSIDE;
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default: return DOES_INTERSECT;
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}
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}
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case ROOT:
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return s1->VecInSolid (p, v, eps);
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}
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}
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// checks if lim s->0 lim t->0 p + t(v1 + s v2) in solid
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INSOLID_TYPE Solid ::
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VecInSolid2 (const Point<3> & p, const Vec<3> & v1,
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const Vec<3> & v2, double eps) const
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{
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switch (op)
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{
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case TERM: case TERM_REF:
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return prim->VecInSolid2 (p, v1, v2, eps);
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case SECTION:
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{
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auto res1 = s1->VecInSolid2 (p, v1, v2, eps);
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auto res2 = s2->VecInSolid2 (p, v1, v2, eps);
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if (res1 == IS_INSIDE && res2 == IS_INSIDE) return IS_INSIDE;
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if (res1 == IS_OUTSIDE || res2 == IS_OUTSIDE) return IS_OUTSIDE;
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return DOES_INTERSECT;
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}
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case UNION:
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{
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auto res1 = s1->VecInSolid2 (p, v1, v2, eps);
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auto res2 = s2->VecInSolid2 (p, v1, v2, eps);
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if (res1 == IS_INSIDE || res2 == IS_INSIDE) return IS_INSIDE;
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if (res1 == IS_OUTSIDE && res2 == IS_OUTSIDE) return IS_OUTSIDE;
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return DOES_INTERSECT;
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}
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case SUB:
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{
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auto res1 = s1->VecInSolid2 (p, v1, v2, eps);
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switch (res1)
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{
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case IS_INSIDE: return IS_OUTSIDE;
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case IS_OUTSIDE: return IS_INSIDE;
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default: return DOES_INTERSECT;
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}
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}
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case ROOT:
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return s1->VecInSolid2 (p, v1, v2, eps);
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}
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}
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bool Solid :: IsIn (const Point<3> & p, double eps) const
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{
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@ -102,6 +102,14 @@ namespace netgen
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// geometric tests
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INSOLID_TYPE PointInSolid (const Point<3> & p, double eps) const;
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INSOLID_TYPE VecInSolid (const Point<3> & p, const Vec<3> & v, double eps) const;
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// checks if lim s->0 lim t->0 p + t(v1 + s v2) in solid
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INSOLID_TYPE VecInSolid2 (const Point<3> & p, const Vec<3> & v1,
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const Vec<3> & v2, double eps) const;
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bool IsIn (const Point<3> & p, double eps = 1e-6) const;
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bool IsStrictIn (const Point<3> & p, double eps = 1e-6) const;
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bool VectorIn (const Point<3> & p, const Vec<3> & v, double eps = 1e-6) const;
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@ -286,35 +286,29 @@ namespace netgen
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dynamic_cast<const Plane*> (geometry->GetSurface(locsurf[k3])),
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pts);
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for (int j = 0; j < pts.Size(); j++)
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if (Dist (pts[j], box.Center()) < box.Diam()/2)
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for (auto pnt : pts)
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if (Dist (pnt, box.Center()) < box.Diam()/2)
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{
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auto tansol = sol -> TangentialSolid (pnt, surfids, 1e-9*size);
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if (tansol)
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{
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// Solid * tansol;
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auto tansol = sol -> TangentialSolid (pts[j], surfids, 1e-9*size);
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if(!tansol)
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continue;
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bool ok1 = false, ok2 = false, ok3 = false;
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int rep1 = geometry->GetSurfaceClassRepresentant(locsurf[k1]);
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int rep2 = geometry->GetSurfaceClassRepresentant(locsurf[k2]);
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int rep3 = geometry->GetSurfaceClassRepresentant(locsurf[k3]);
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for(int jj=0; jj<surfids.Size(); jj++)
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for (auto surfid : surfids)
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{
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int actrep = geometry->GetSurfaceClassRepresentant(surfids[jj]);
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int actrep = geometry->GetSurfaceClassRepresentant(surfid);
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if (actrep == rep1) ok1 = true;
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if (actrep == rep2) ok2 = true;
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if (actrep == rep3) ok3 = true;
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}
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if (tansol && ok1 && ok2 && ok3)
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// if (sol -> IsIn (pts[j], 1e-6*size) && !sol->IsStrictIn (pts[j], 1e-6*size))
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{
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if (AddPoint (pts[j], layer))
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(*testout) << "cross point found, 1: " << pts[j] << endl;
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if (ok1 && ok2 && ok3)
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if (AddPoint (pnt, layer))
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(*testout) << "cross point found, 1: " << pnt << endl;
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}
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// delete tansol;
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}
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}
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@ -330,38 +324,29 @@ namespace netgen
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qsurf, pts);
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//(*testout) << "checking pot. crosspoints: " << pts << endl;
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for (int j = 0; j < pts.Size(); j++)
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if (Dist (pts[j], box.Center()) < box.Diam()/2)
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for (auto pnt : pts)
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if (Dist (pnt, box.Center()) < box.Diam()/2)
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{
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auto tansol = sol -> TangentialSolid (pnt, surfids, 1e-9*size);
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if (tansol)
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{
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// Solid * tansol;
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auto tansol = sol -> TangentialSolid (pts[j], surfids, 1e-9*size);
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if(!tansol)
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continue;
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bool ok1 = false, ok2 = false, ok3 = true;//false;
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int rep1 = geometry->GetSurfaceClassRepresentant(locsurf[k1]);
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int rep2 = geometry->GetSurfaceClassRepresentant(locsurf[k2]);
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//int rep3 = geometry->GetSurfaceClassRepresentant(quadi);
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for(int jj=0; jj<surfids.Size(); jj++)
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for (auto surfid : surfids)
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{
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int actrep = geometry->GetSurfaceClassRepresentant(surfids[jj]);
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int actrep = geometry->GetSurfaceClassRepresentant(surfid);
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if (actrep == rep1) ok1 = true;
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if (actrep == rep2) ok2 = true;
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//if(actrep == rep3) ok3 = true;
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}
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if (tansol && ok1 && ok2 && ok3)
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//if (sol -> IsIn (pts[j], 1e-6*size) && !sol->IsStrictIn (pts[j], 1e-6*size) )
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{
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if (AddPoint (pts[j], layer))
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(*testout) << "cross point found, 2: " << pts[j] << endl;
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}
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// delete tansol;
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if (ok1 && ok2 && ok3)
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if (AddPoint (pnt, layer))
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(*testout) << "cross point found, 2: " << pnt << endl;
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}
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}
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}
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for (int k1 = 0; k1 < numprim; k1++)
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if (k1 != quadi)
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@ -372,16 +357,11 @@ namespace netgen
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for (int j = 0; j < pts.Size(); j++)
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if (Dist (pts[j], box.Center()) < box.Diam()/2)
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{
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// Solid * tansol;
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auto tansol = sol -> TangentialSolid (pts[j], surfids, 1e-9*size);
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if (tansol)
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// sol -> IsIn (pts[j], 1e-6*size) && !sol->IsStrictIn (pts[j], 1e-6*size) )
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{
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if (AddPoint (pts[j], layer))
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(*testout) << "extremal point found, 1: " << pts[j] << endl;
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}
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// delete tansol;
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}
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}
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}
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@ -395,8 +375,6 @@ namespace netgen
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NgArray<Point<3> > pts;
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NgArray<int> surfids;
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for (int k1 = 0; k1 < numprim; k1++)
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for (int k2 = 0; k2 < k1; k2++)
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for (int k3 = 0; k3 < k2; k3++)
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@ -409,16 +387,14 @@ namespace netgen
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for (int j = 0; j < pts.Size(); j++)
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if (Dist (pts[j], box.Center()) < box.Diam()/2)
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{
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// Solid * tansol;
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auto tansol = sol -> TangentialSolid (pts[j], surfids, 1e-9*size);
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if(!tansol)
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continue;
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if (!tansol) continue;
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bool ok1 = false, ok2 = false, ok3 = false;
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int rep1 = geometry->GetSurfaceClassRepresentant(locsurf[k1]);
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int rep2 = geometry->GetSurfaceClassRepresentant(locsurf[k2]);
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int rep3 = geometry->GetSurfaceClassRepresentant(locsurf[k3]);
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for(int jj=0; jj<surfids.Size(); jj++)
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{
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int actrep = geometry->GetSurfaceClassRepresentant(surfids[jj]);
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@ -427,15 +403,10 @@ namespace netgen
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if(actrep == rep3) ok3 = true;
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}
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if (tansol && ok1 && ok2 && ok3)
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// if (sol -> IsIn (pts[j], 1e-6*size) && !sol->IsStrictIn (pts[j], 1e-6*size))
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{
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if (ok1 && ok2 && ok3)
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if (AddPoint (pts[j], layer))
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(*testout) << "cross point found, 1: " << pts[j] << endl;
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}
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// delete tansol;
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}
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}
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@ -449,30 +420,23 @@ namespace netgen
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for (int j = 0; j < pts.Size(); j++)
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if (Dist (pts[j], box.Center()) < box.Diam()/2)
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{
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// Solid * tansol;
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auto tansol = sol -> TangentialSolid (pts[j], surfids, 1e-9*size);
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if (tansol)
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// sol -> IsIn (pts[j], 1e-6*size) && !sol->IsStrictIn (pts[j], 1e-6*size) )
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{
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if (AddPoint (pts[j], layer))
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(*testout) << "extremal point found, spheres: " << pts[j] << endl;
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}
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// delete tansol;
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}
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}
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return;
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}
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if (numprim == 2 &&
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(typeid(*geometry->GetSurface(locsurf[0])) == typeid(RevolutionFace&)) &&
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(typeid(*geometry->GetSurface(locsurf[1])) == typeid(RevolutionFace&)))
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auto rev0 = dynamic_cast<const RevolutionFace*> (geometry->GetSurface(locsurf[0]));
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auto rev1 = dynamic_cast<const RevolutionFace*> (geometry->GetSurface(locsurf[1]));
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if (numprim == 2 && rev0 && rev1)
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{
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NgArray<Point<3>> pts;
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bool check =
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ComputeExtremalPoints (static_cast<const RevolutionFace*> (geometry->GetSurface(locsurf[0])),
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static_cast<const RevolutionFace*> (geometry->GetSurface(locsurf[1])),
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pts);
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bool check = ComputeExtremalPoints (rev0, rev1, pts);
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if (check)
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{
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// int cnt_inbox = 0;
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@ -489,7 +453,6 @@ namespace netgen
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*/
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}
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}
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} // end if (numprim <= check_crosspoint)
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@ -521,7 +484,6 @@ namespace netgen
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(*testout) << "k1,2,3 = " << k1 << "," << k2 << "," << k3 << ", nc = " << nc << ", deg = " << deg << endl;
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#endif
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if (!nc && !deg) decision = 0;
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if (nc) surecrossp = 1;
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}
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@ -1829,10 +1791,8 @@ namespace netgen
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continue;
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// Solid * locsol;
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auto locsol = sol -> TangentialSolid (p, surfind, ideps*geomsize);
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rep_surfind.SetSize (surfind.Size());
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int num_indep_surfs = 0;
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@ -1859,10 +1819,10 @@ namespace netgen
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if (surf)
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{
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// locsol -> GetSurfaceIndices (surfind);
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bool hassurf = 0;
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bool hassurf = false;
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for (int m = 0; m < surfind.Size(); m++)
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if (ageometry.GetSurface(surfind[m]) == surf)
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hassurf = 1;
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hassurf = true;
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if (!hassurf)
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continue;
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@ -1955,19 +1915,14 @@ namespace netgen
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CalcInverse (mat, inv);
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t2 = inv * rhs;
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// t2 = StableSolve (mat, rhs);
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#ifdef DEVELOP
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*testout << "t = " << t << ", t2 = " << t2 << endl;
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#endif
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/*
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ageometry.GetIndependentSurfaceIndices
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(locsol, p, t, surfind2);
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*/
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// Solid * locsol2;
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auto locsol2 = locsol -> TangentialSolid3 (p, t, t2, surfind2, ideps*geomsize);
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if (!locsol2) continue;
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@ -2009,13 +1964,10 @@ namespace netgen
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Vec<3> nv =
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ageometry.GetSurface(surfind2[l]) -> GetNormalVector(p);
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Vec<3> m1 = Cross (t, nv);
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Vec<3> m2 = -m1;
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bool isface1 = 0, isface2 = 0;
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// Solid * locsol3;
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// locsol2 -> TangentialSolid2 (p, m1, locsol3, surfind3, 1e-9*geomsize);
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auto locsol3 = locsol -> TangentialEdgeSolid (p, t, t2, m1, surfind3, ideps*geomsize);
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#ifdef DEVELOP
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@ -2025,7 +1977,6 @@ namespace netgen
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if (surfind3.Contains(surfind2[l]))
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isface1 = 1;
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// delete locsol3;
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// locsol2 -> TangentialSolid2 (p, m2, locsol3, surfind3, 1e-9*geomsize);
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locsol3 = locsol -> TangentialEdgeSolid (p, t, t2, m2, surfind3, ideps*geomsize);
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@ -2038,7 +1989,6 @@ namespace netgen
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if (surfind3.Contains(surfind2[l]))
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isface2 = 1;
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// delete locsol3;
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if (isface1 != isface2)
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cnt_tang_faces++;
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@ -2051,7 +2001,6 @@ namespace netgen
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if (cnt_tang_faces < 1)
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ok = false;
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// delete locsol2;
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if (!ok) continue;
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}
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@ -2088,8 +2037,12 @@ namespace netgen
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!locsol->VectorStrictIn (p, t2b, 1e-6*geomsize));
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bool isfacenew =
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locsol -> VecInSolid2(p, t, s, 1e-6*geomsize) == DOES_INTERSECT ||
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locsol -> VecInSolid2(p, t, -s, 1e-6*geomsize) == DOES_INTERSECT;
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/*
|
||||
(locsol->VectorIn2 (p, t, s, 1e-6*geomsize) && !locsol->VectorStrictIn2 (p, t, s, 1e-6*geomsize)) ||
|
||||
(locsol->VectorIn2 (p, t, -s, 1e-6*geomsize) && !locsol->VectorStrictIn2 (p, t, -s, 1e-6*geomsize));
|
||||
*/
|
||||
|
||||
bool isface = isfacenew;
|
||||
|
||||
@ -2182,46 +2135,15 @@ namespace netgen
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// delete locsol;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
NgBitArray testuncond (specpoints.Size());
|
||||
testuncond.Clear();
|
||||
for(int i = 0; i<specpoints.Size(); i++)
|
||||
{
|
||||
if(testuncond.Test(i))
|
||||
continue;
|
||||
|
||||
NgArray<int> same;
|
||||
same.Append(i);
|
||||
|
||||
for(int j = i+1; j<specpoints.Size(); j++)
|
||||
{
|
||||
if(Dist(specpoints[i].p,specpoints[j].p) < 1e-20)
|
||||
{
|
||||
same.Append(j);
|
||||
testuncond.Set(j);
|
||||
}
|
||||
}
|
||||
|
||||
if(same.Size() < 3)
|
||||
for(int j=0; j<same.Size(); j++)
|
||||
{
|
||||
(*testout) << "setting " << specpoints[same[j]].p << "; " << specpoints[same[j]].v << "; "
|
||||
<<specpoints[same[j]].unconditional << " to conditional" << endl;
|
||||
specpoints[same[j]].unconditional=0;
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
|
||||
// if special point is unconditional on some solid,
|
||||
// it must be unconditional everywhere:
|
||||
|
||||
NgBitArray uncond (apoints.Size());
|
||||
BitArray uncond (apoints.Size());
|
||||
uncond.Clear();
|
||||
|
||||
for (int i = 0; i < specpoints.Size(); i++)
|
||||
@ -2229,7 +2151,6 @@ namespace netgen
|
||||
uncond.Set (specpoint2point[i]);
|
||||
|
||||
for (int i = 0; i < specpoints.Size(); i++)
|
||||
specpoints[i].unconditional =
|
||||
uncond.Test (specpoint2point[i]) ? 1 : 0;
|
||||
specpoints[i].unconditional = uncond.Test (specpoint2point[i]);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user