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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
289 lines
7.9 KiB
C++
289 lines
7.9 KiB
C++
// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Adaptor3d_Curve.hxx>
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#include <gp_Circ.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include <Precision.hxx>
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#include <TColgp_HArray1OfVec.hxx>
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#include <TColStd_HArray1OfInteger.hxx>
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#include <Vrml_Coordinate3.hxx>
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#include <Vrml_IndexedLineSet.hxx>
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#include <Vrml_Material.hxx>
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#include <Vrml_Separator.hxx>
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#include <VrmlConverter_Curve.hxx>
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#include <VrmlConverter_Drawer.hxx>
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#include <VrmlConverter_LineAspect.hxx>
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//==================================================================
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// function: FindLimits
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// purpose:
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//==================================================================
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static void FindLimits(const Adaptor3d_Curve& aCurve,
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const Standard_Real aLimit,
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Standard_Real& First,
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Standard_Real& Last)
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{
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First = aCurve.FirstParameter();
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Last = aCurve.LastParameter();
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Standard_Boolean firstInf = Precision::IsNegativeInfinite(First);
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Standard_Boolean lastInf = Precision::IsPositiveInfinite(Last);
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if (firstInf || lastInf) {
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gp_Pnt P1,P2;
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Standard_Real delta = 1;
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if (firstInf && lastInf) {
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do {
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delta *= 2;
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First = - delta;
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Last = delta;
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aCurve.D0(First,P1);
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aCurve.D0(Last,P2);
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} while (P1.Distance(P2) < aLimit);
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}
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else if (firstInf) {
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aCurve.D0(Last,P2);
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do {
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delta *= 2;
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First = Last - delta;
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aCurve.D0(First,P1);
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} while (P1.Distance(P2) < aLimit);
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}
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else if (lastInf) {
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aCurve.D0(First,P1);
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do {
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delta *= 2;
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Last = First + delta;
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aCurve.D0(Last,P2);
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} while (P1.Distance(P2) < aLimit);
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}
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}
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}
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//==================================================================
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// function: DrawCurve
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// purpose:
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//==================================================================
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static void DrawCurve (const Adaptor3d_Curve& aCurve,
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const Standard_Integer NbP,
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const Standard_Real U1,
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const Standard_Real U2,
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const Handle(VrmlConverter_Drawer)& aDrawer, // for passsing of LineAspect
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Standard_OStream& anOStream)
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{
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Standard_Integer nbintervals = 1, i;
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Handle(TColgp_HArray1OfVec) HAV1;
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Handle(TColStd_HArray1OfInteger) HAI1;
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if (aCurve.GetType() == GeomAbs_BSplineCurve) {
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nbintervals = aCurve.NbKnots() - 1;
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// cout << "NbKnots "<<aCurve.NbKnots() << endl;
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nbintervals = Max(1, nbintervals/3);
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}
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switch (aCurve.GetType()) {
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case GeomAbs_Line:
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{
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gp_Vec V;
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HAV1 = new TColgp_HArray1OfVec(1, 2);
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// array of coordinates of line
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gp_Pnt p = aCurve.Value(U1);
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V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
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HAV1->SetValue(1,V);
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p = aCurve.Value(U2);
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V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
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HAV1->SetValue(2,V);
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HAI1 = new TColStd_HArray1OfInteger(1,3);
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// array of indexes of line
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HAI1->SetValue(1,0);
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HAI1->SetValue(2,1);
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HAI1->SetValue(3,-1);
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}
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break;
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default:
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{
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Standard_Real U;
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Standard_Integer N = Max(2, NbP*nbintervals);
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// cout << "nbintervals " << nbintervals << endl;
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// cout << "N " << N << endl;
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gp_Vec V;
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HAV1 = new TColgp_HArray1OfVec(1, N);
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// HAI1 = new TColStd_HArray1OfInteger(1,(N/2*3+N%2));
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HAI1 = new TColStd_HArray1OfInteger(1,N+1);
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Standard_Real DU = (U2-U1) / (N-1);
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gp_Pnt p;
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for (i = 1; i <= N;i++) {
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U = U1 + (i-1)*DU;
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p = aCurve.Value(U);
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V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
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HAV1->SetValue(i,V);
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}
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// Standard_Integer j=1,k;
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// for (i=HAI1->Lower(); i <= HAI1->Upper(); i++)
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// {
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// k = i % 3;
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// if(k == 0)
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// {
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// HAI1->SetValue(i,-1);
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// j++;
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// }
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// else
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// {
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// HAI1->SetValue(i,i-j);
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// }
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// }
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for (i=HAI1->Lower(); i < HAI1->Upper(); i++)
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{
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HAI1->SetValue(i,i-1);
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}
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HAI1->SetValue(HAI1->Upper(),-1);
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}
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}
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// cout << " Array HAI1 - coordIndex " << endl;
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// for ( i=HAI1->Lower(); i <= HAI1->Upper(); i++ )
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// {
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// cout << HAI1->Value(i) << endl;
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// }
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// creation of Vrml objects
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Handle(VrmlConverter_LineAspect) LA = new VrmlConverter_LineAspect;
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LA = aDrawer->LineAspect();
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// cout << "LA->HasMaterial() = " << LA->HasMaterial() << endl;
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// Separator 1 {
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Vrml_Separator SE1;
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SE1.Print(anOStream);
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// Material
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if (LA->HasMaterial()){
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Handle(Vrml_Material) M;
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M = LA->Material();
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M->Print(anOStream);
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}
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// Coordinate3
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Handle(Vrml_Coordinate3) C3 = new Vrml_Coordinate3(HAV1);
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C3->Print(anOStream);
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// IndexedLineSet
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Vrml_IndexedLineSet ILS;
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ILS.SetCoordIndex(HAI1);
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ILS.Print(anOStream);
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// Separator 1 }
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SE1.Print(anOStream);
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}
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//==================================================================
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// function: Add 1
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// purpose:
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//==================================================================
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void VrmlConverter_Curve::Add(const Adaptor3d_Curve& aCurve,
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const Handle(VrmlConverter_Drawer)& aDrawer,
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Standard_OStream& anOStream)
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{
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Standard_Integer NbPoints = aDrawer->Discretisation();
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Standard_Real V1, V2;
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Standard_Real aLimit = aDrawer->MaximalParameterValue();
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FindLimits(aCurve, aLimit, V1, V2);
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// cout << "V1 = "<< V1 << endl;
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// cout << "V2 = "<< V2 << endl;
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// cout << "NbPoints = "<< NbPoints << endl;
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// cout << "aLimit = "<< aLimit << endl;
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DrawCurve(aCurve,
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NbPoints,
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V1 , V2, aDrawer, anOStream);
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}
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//==================================================================
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// function: Add 2
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// purpose:
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//==================================================================
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void VrmlConverter_Curve::Add(const Adaptor3d_Curve& aCurve,
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const Standard_Real U1,
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const Standard_Real U2,
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const Handle(VrmlConverter_Drawer)& aDrawer,
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Standard_OStream& anOStream)
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{
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Standard_Integer NbPoints = aDrawer->Discretisation();
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Standard_Real V1 = U1;
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Standard_Real V2 = U2;
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if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
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if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
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// cout << "V1 = "<< V1 << endl;
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// cout << "V2 = "<< V2 << endl;
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// cout << "NbPoints = "<< NbPoints << endl;
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DrawCurve(aCurve,
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NbPoints,
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V1 , V2, aDrawer, anOStream);
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}
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//==================================================================
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// function: Add 3
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// purpose:
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//==================================================================
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void VrmlConverter_Curve::Add(const Adaptor3d_Curve& aCurve,
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const Standard_Real U1,
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const Standard_Real U2,
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Standard_OStream& anOStream,
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const Standard_Integer aNbPoints)
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{
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Handle(VrmlConverter_Drawer) aDrawer = new VrmlConverter_Drawer;
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Handle(VrmlConverter_LineAspect) la = new VrmlConverter_LineAspect;
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aDrawer->SetLineAspect(la);
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Standard_Real V1 = U1;
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Standard_Real V2 = U2;
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if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
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if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
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// cout << "V1 = "<< V1 << endl;
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// cout << "V2 = "<< V2 << endl;
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// cout << "NbPoints = "<< aNbPoints << endl;
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DrawCurve(aCurve,
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aNbPoints,
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V1 , V2, aDrawer, anOStream);
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}
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