1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
// File: TopOpeBRepTool_closing.cxx
// Created: Tue Nov 24 14:08:03 1998
// Author: Xuan PHAM PHU
// <xpu@poulopox.paris1.matra-dtv.fr>
#include <TopOpeBRepTool_define.hxx>
#include <TopOpeBRepTool_EXPORT.hxx>
#include <TopOpeBRepTool_TOOL.hxx>
#include <TopOpeBRepTool_2d.hxx>
#include <Geom2d_Curve.hxx>
#include <gp_Vec2d.hxx>
#include <TopExp_Explorer.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopExp.hxx>
//Standard_IMPORT void FUN_tool_ttranslate(const gp_Vec2d& tvector, const TopoDS_Face& fF, TopoDS_Edge& fyE);
Standard_EXPORT Standard_Boolean FUN_tool_UVonclosing(const TopoDS_Edge& E, const TopoDS_Face& F, const Standard_Boolean onU,
const Standard_Real xfirst, const Standard_Real xperiod,
const Standard_Real toluv)
// purpose : returns TRUE if E has UVrep on F, on closing UVrep
// prequesitory : F is x-closed, its x-2drep describes [xfirst,xfirst+xperiod]
// if (onU=1), F is u-closed
{
// E :
Standard_Real f,l,tol; Handle(Geom2d_Curve) PC = FC2D_CurveOnSurface(E,F,f,l,tol);
Standard_Boolean isou,isov; gp_Pnt2d o2d; gp_Dir2d d2d;
Standard_Boolean isouv = TopOpeBRepTool_TOOL::UVISO(PC,isou,isov,d2d,o2d);
if (!isouv) return Standard_False;
Standard_Boolean onX = (onU && isou) || ((!onU) && isov);
if (!onX) return Standard_False;
Standard_Real dxx=0;
if (onU) dxx = Abs(o2d.X()-xfirst);
else dxx = Abs(o2d.Y()-xfirst);
Standard_Boolean onclo = (dxx < toluv);
onclo = onclo || (Abs(xperiod-dxx) < toluv);
return onclo;
}//FUN_UVonclosing
/*Standard_EXPORT Standard_Boolean FUN_tool_getEclo(const TopoDS_Face& F, TopoDS_Edge& Eclo)
// purpose : get Eclo / closing edge of F
// rep(Eclo,F) is x-iso, parx=xmin/xmax
{
Eclo.Nullify();
TopExp_Explorer ex(F, TopAbs_EDGE);
for (; ex.More(); ex.Next()){
const TopoDS_Edge& e = TopoDS::Edge(ex.Current());
Standard_Boolean clo = BRep_Tool::IsClosed(e,F);
if (clo) {Eclo=e; return Standard_True;}
}
return Standard_False;
}*/
Standard_EXPORT Standard_Boolean FUN_tool_correctCLO(TopoDS_Edge& E, const TopoDS_Face& F)
// purpose : correcting "closing edges", returns Standard_True if E pcurve
// is translated
{
TopoDS_Shape aLocalShape = F.Oriented(TopAbs_FORWARD);
TopoDS_Face FFOR = TopoDS::Face(aLocalShape);
// TopoDS_Face FFOR = TopoDS::Face(F.Oriented(TopAbs_FORWARD));
// ************************************************************
// prequesitory : in process add(E,F), we'll keep original
// E orientation (orientation of E in FFORWARD)
// ************************************************************
Standard_Boolean inU; Standard_Real xmin,xper;
Standard_Boolean closed = FUN_tool_closedS(F,inU,xmin,xper);
if (!closed) return Standard_False; // F is not periodic
Standard_Real tolu,tolv; FUN_tool_tolUV(TopoDS::Face(F),tolu,tolv);
Standard_Real tolx = inU ? tolu : tolv;
Standard_Real dx=0.45678;
// Standard_Real f,l,tolpc; Standard_Boolean trim3d = Standard_True;
// Handle(Geom2d_Curve) PC = FC2D_CurveOnSurface(E,F,f,l,tolpc,trim3d);
Standard_Real f,l,tol; Handle(Geom2d_Curve) PC;
FC2D_HasOldCurveOnSurface(E,FFOR,PC);
FC2D_HasNewCurveOnSurface(E,FFOR,PC);
PC = FC2D_EditableCurveOnSurface(E,FFOR,f,l,tol);
Standard_Boolean isoU,isoV; gp_Pnt2d o2d; gp_Dir2d d2d;
TopOpeBRepTool_TOOL::UVISO(PC,isoU,isoV,d2d,o2d);
Standard_Boolean xiso = (inU && isoU)||((!inU) && isoV);
if (!xiso) return Standard_False;
Standard_Real par = dx*f + (1-dx)*l; gp_Vec2d dxx;
FUN_tool_getdxx(FFOR,E,par,dxx);
TopExp_Explorer ex(FFOR, TopAbs_EDGE);
for (; ex.More(); ex.Next()){
const TopoDS_Edge& e1 = TopoDS::Edge(ex.Current());
Standard_Boolean closing = BRep_Tool::IsClosed(e1,F);
if (!closing) continue;
// Standard_Real f1,l1; Handle(Geom2d_Curve) PC1 = BRep_Tool::CurveOnSurface(e1,F,f1,l1);
Standard_Real f1,l1,tol1; Handle(Geom2d_Curve) PC1;
FC2D_HasOldCurveOnSurface(e1,FFOR,PC1);
FC2D_HasNewCurveOnSurface(e1,FFOR,PC1);
PC1 = FC2D_EditableCurveOnSurface(e1,FFOR,f1,l1,tol1);
Standard_Boolean isoU1,isoV1; gp_Pnt2d o2d1; gp_Dir2d d2d1;
TopOpeBRepTool_TOOL::UVISO(PC1,isoU1,isoV1,d2d1,o2d1);
// 2d(e1,FFOR) and 2d(E,FFOR) describe the same side of matter
Standard_Real par1 = dx*f1 + (1-dx)*l1; gp_Vec2d dxx1;
FUN_tool_getdxx(FFOR,e1,par1,dxx1);
Standard_Real dot = dxx.Dot(dxx1);
if (dot < 0.) continue;
gp_Vec2d dxx; Standard_Real dd=0;
if (inU) {dd = o2d1.X()-o2d.X(); dxx = gp_Vec2d(dd,0.);}
else {dd = o2d1.Y()-o2d.Y(); dxx = gp_Vec2d(0.,dd);}
if (Abs(dd)<tolx) return Standard_False;
TopOpeBRepTool_TOOL::TrslUVModifE(dxx,FFOR,E); //FUN_tool_ttranslate(dxx,FFOR,E);
} // ex(FFOR)
return Standard_False;
}
|
