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1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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2 | // |
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3 | // This file is part of Open CASCADE Technology software library. |
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4 | // |
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5 | // This library is free software; you can redistribute it and/or modify it under |
| 6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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7 | // by the Free Software Foundation, with special exception defined in the file |
| 8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 9 | // distribution for complete text of the license and disclaimer of any warranty. |
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10 | // |
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11 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 12 | // commercial license or contractual agreement. |
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13 | |
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14 | // rln 22.03.99: syntax correction in CombineVertex |
| 15 | //szv#4 S4163 |
| 16 | #include <ShapeBuild_Vertex.ixx> |
| 17 | #include <BRep_Tool.hxx> |
| 18 | #include <Precision.hxx> |
| 19 | #include <BRep_Builder.hxx> |
| 20 | |
| 21 | //======================================================================= |
| 22 | //function : CombineVertex |
| 23 | //purpose : |
| 24 | //======================================================================= |
| 25 | |
| 26 | TopoDS_Vertex ShapeBuild_Vertex::CombineVertex (const TopoDS_Vertex& V1, |
| 27 | const TopoDS_Vertex& V2, |
| 28 | const Standard_Real tolFactor) const |
| 29 | { |
| 30 | return CombineVertex ( BRep_Tool::Pnt ( V1 ), BRep_Tool::Pnt ( V2 ), |
| 31 | BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ), |
| 32 | tolFactor ); |
| 33 | } |
| 34 | |
| 35 | //======================================================================= |
| 36 | //function : CombineVertex |
| 37 | //purpose : |
| 38 | //======================================================================= |
| 39 | |
| 40 | TopoDS_Vertex ShapeBuild_Vertex::CombineVertex (const gp_Pnt& pnt1, |
| 41 | const gp_Pnt& pnt2, |
| 42 | const Standard_Real tol1, |
| 43 | const Standard_Real tol2, |
| 44 | const Standard_Real tolFactor) const |
| 45 | { |
| 46 | gp_Pnt pos; |
| 47 | Standard_Real tol; |
| 48 | |
| 49 | gp_Vec v = pnt2.XYZ() - pnt1.XYZ(); |
| 50 | Standard_Real dist = v.Magnitude(); |
| 51 | |
| 52 | //#47 rln 09.12.98 S4054 PRO14323 entity 2844 |
| 53 | if ( dist + tol2 <= tol1 ) { |
| 54 | pos = pnt1; |
| 55 | tol = tol1; |
| 56 | } |
| 57 | else if ( dist + tol1 <= tol2 ) { |
| 58 | pos = pnt2; |
| 59 | tol = tol2; |
| 60 | } |
| 61 | else { |
| 62 | tol = 0.5 * ( dist + tol1 + tol2 ); |
| 63 | Standard_Real s = ( dist > 0. )? ( tol2 - tol1 ) / dist : 0.; //szv#4:S4163:12Mar99 anti-exception |
| 64 | pos = 0.5 * ( ( 1 - s ) * pnt1.XYZ() + ( 1 + s ) * pnt2.XYZ() ); |
| 65 | } |
| 66 | |
| 67 | TopoDS_Vertex V; |
| 68 | BRep_Builder B; |
| 69 | B.MakeVertex ( V, pos, tolFactor * tol ); |
| 70 | return V; |
| 71 | } |
| 72 | |
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