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#include <VrmlConverter_DeflectionCurve.ixx>
#include <gp_Pnt.hxx>
#include <gp_Circ.hxx>
#include <gp_Dir.hxx>
#include <gp_Vec.hxx>
#include <Bnd_Box.hxx>
#include <Precision.hxx>
#include <TColgp_HArray1OfVec.hxx>
#include <TColStd_HArray1OfInteger.hxx>
#include <Vrml_Material.hxx>
#include <VrmlConverter_LineAspect.hxx>
#include <Vrml_Separator.hxx>
#include <Vrml_Coordinate3.hxx>
#include <Vrml_IndexedLineSet.hxx>
#include <Precision.hxx>
#include <GCPnts_QuasiUniformDeflection.hxx>
#include <BndLib_Add3dCurve.hxx>
//==================================================================
// function: FindLimits
// purpose:
//==================================================================
static void FindLimits(const Adaptor3d_Curve& aCurve,
const Standard_Real aLimit,
Standard_Real& First,
Standard_Real& Last)
{
First = aCurve.FirstParameter();
Last = aCurve.LastParameter();
Standard_Boolean firstInf = Precision::IsNegativeInfinite(First);
Standard_Boolean lastInf = Precision::IsPositiveInfinite(Last);
if (firstInf || lastInf) {
gp_Pnt P1,P2;
Standard_Real delta = 1;
if (firstInf && lastInf) {
do {
delta *= 2;
First = - delta;
Last = delta;
aCurve.D0(First,P1);
aCurve.D0(Last,P2);
} while (P1.Distance(P2) < aLimit);
}
else if (firstInf) {
aCurve.D0(Last,P2);
do {
delta *= 2;
First = Last - delta;
aCurve.D0(First,P1);
} while (P1.Distance(P2) < aLimit);
}
else if (lastInf) {
aCurve.D0(First,P1);
do {
delta *= 2;
Last = First + delta;
aCurve.D0(Last,P2);
} while (P1.Distance(P2) < aLimit);
}
}
}
//==================================================================
// function: DrawCurve
// purpose:
//==================================================================
static void DrawCurve (Adaptor3d_Curve& aCurve,
const Standard_Real TheDeflection,
const Standard_Real U1,
const Standard_Real U2,
const Handle(VrmlConverter_Drawer)& aDrawer, // for passsing of LineAspect
Standard_OStream& anOStream)
{
Standard_Integer i;
Standard_Boolean key = Standard_False;
Handle(TColgp_HArray1OfVec) HAV1;
Handle(TColStd_HArray1OfInteger) HAI1;
switch (aCurve.GetType()) {
case GeomAbs_Line:
{
gp_Vec V;
key = Standard_True;
HAV1 = new TColgp_HArray1OfVec(1, 2);
HAI1 = new TColStd_HArray1OfInteger(1,3);
// array of coordinates of line
gp_Pnt p = aCurve.Value(U1);
V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
HAV1->SetValue(1,V);
p = aCurve.Value(U2);
V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
HAV1->SetValue(2,V);
// array of indexes of line
HAI1->SetValue(1,0);
HAI1->SetValue(2,1);
HAI1->SetValue(3,-1);
}
break;
case GeomAbs_Circle:
{
Standard_Real Radius = aCurve.Circle().Radius();
if (!Precision::IsInfinite(Radius)) {
Standard_Real DU = Sqrt(8.0 * TheDeflection / Radius);
Standard_Integer N = Standard_Integer(Abs( U2 - U1) / DU);
if ( N > 0) {
gp_Vec V;
key = Standard_True;
HAV1 = new TColgp_HArray1OfVec(1, N+1);
HAI1 = new TColStd_HArray1OfInteger(1,N+2);
DU = (U2-U1) / N;
Standard_Real U;
gp_Pnt p;
for (Standard_Integer Index = 1; Index <= N+1; Index++) {
U = U1 + (Index - 1) * DU;
p = aCurve.Value(U);
V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
HAV1->SetValue(Index,V);
HAI1->SetValue(Index,Index-1);
}
/*
if( HAV1->Value(1).IsEqual( HAV1->Value(N+1),Precision::Confusion(), Precision::Angular() ) )
{
HAI1->SetValue(N+1, 0);
}
*/
HAI1->SetValue(HAI1->Upper(),-1);
}
}
}
break;
default:
{
GCPnts_QuasiUniformDeflection Algo(aCurve,TheDeflection,U1,U2);
if(Algo.IsDone()){
Standard_Integer NumberOfPoints = Algo.NbPoints();
if (NumberOfPoints > 0) {
gp_Vec V;
key = Standard_True;
HAV1 = new TColgp_HArray1OfVec(1, NumberOfPoints);
HAI1 = new TColStd_HArray1OfInteger(1,NumberOfPoints+1);
gp_Pnt p;
for (i=1;i<=NumberOfPoints;i++) {
p = Algo.Value(i);
V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
HAV1->SetValue(i,V);
}
for (i=HAI1->Lower(); i < HAI1->Upper(); i++)
{
HAI1->SetValue(i,i-1);
}
HAI1->SetValue(HAI1->Upper(),-1);
}
}
//else
//cannot draw with respect to a maximal chordial deviation
}
}
//cout << " Array HAI1 - coordIndex " << endl;
//
//for ( i=HAI1->Lower(); i <= HAI1->Upper(); i++ )
// {
// cout << HAI1->Value(i) << endl;
// }
if (key) {
// creation of Vrml objects
Handle(VrmlConverter_LineAspect) LA = new VrmlConverter_LineAspect;
LA = aDrawer->LineAspect();
// Separator 1 {
Vrml_Separator SE1;
SE1.Print(anOStream);
// Material
if (LA->HasMaterial()){
Handle(Vrml_Material) M;
M = LA->Material();
M->Print(anOStream);
}
// Coordinate3
Handle(Vrml_Coordinate3) C3 = new Vrml_Coordinate3(HAV1);
C3->Print(anOStream);
// IndexedLineSet
Vrml_IndexedLineSet ILS;
ILS.SetCoordIndex(HAI1);
ILS.Print(anOStream);
// Separator 1 }
SE1.Print(anOStream);
}
}
//==================================================================
// function: GetDeflection
// purpose:
//==================================================================
static Standard_Real GetDeflection(const Adaptor3d_Curve& aCurve,
const Standard_Real U1,
const Standard_Real U2,
const Handle(VrmlConverter_Drawer)& aDrawer) {
Standard_Real theRequestedDeflection;
if(aDrawer->TypeOfDeflection() == Aspect_TOD_RELATIVE) // TOD_RELATIVE, TOD_ABSOLUTE
{
Bnd_Box box;
BndLib_Add3dCurve::Add(aCurve, U1, U2, Precision::Confusion(), box);
Standard_Real Xmin, Xmax, Ymin, Ymax, Zmin, Zmax, diagonal;
box.Get( Xmin, Ymin, Zmin, Xmax, Ymax, Zmax );
if (!(box.IsOpenXmin() || box.IsOpenXmax() ||
box.IsOpenYmin() || box.IsOpenYmax() ||
box.IsOpenZmin() || box.IsOpenZmax()))
{
diagonal = Sqrt ((Xmax - Xmin)*( Xmax - Xmin) + ( Ymax - Ymin)*( Ymax - Ymin) + ( Zmax - Zmin)*( Zmax - Zmin));
diagonal = Max(diagonal, Precision::Confusion());
theRequestedDeflection = aDrawer->DeviationCoefficient() * diagonal;
}
else
{
diagonal =1000000.;
theRequestedDeflection = aDrawer->DeviationCoefficient() * diagonal;
}
// cout << "diagonal = " << diagonal << endl;
// cout << "theRequestedDeflection = " << theRequestedDeflection << endl;
}
else
{
theRequestedDeflection = aDrawer->MaximalChordialDeviation();
}
return theRequestedDeflection;
}
//==================================================================
// function: Add
// purpose: 1
//==================================================================
void VrmlConverter_DeflectionCurve::Add(Standard_OStream& anOStream,
Adaptor3d_Curve& aCurve,
const Handle(VrmlConverter_Drawer)& aDrawer)
{
Standard_Real V1, V2;
Standard_Real aLimit = aDrawer->MaximalParameterValue();
FindLimits(aCurve, aLimit, V1, V2);
Standard_Real theRequestedDeflection = GetDeflection(aCurve, V1, V2, aDrawer);
DrawCurve(aCurve,
theRequestedDeflection,
V1 , V2, aDrawer, anOStream);
}
//==================================================================
// function: Add
// purpose: 2
//==================================================================
void VrmlConverter_DeflectionCurve::Add(Standard_OStream& anOStream,
Adaptor3d_Curve& aCurve,
const Standard_Real U1,
const Standard_Real U2,
const Handle(VrmlConverter_Drawer)& aDrawer)
{
Standard_Real V1 = U1;
Standard_Real V2 = U2;
if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
Standard_Real theRequestedDeflection = GetDeflection(aCurve, V1, V2, aDrawer);
DrawCurve(aCurve,
theRequestedDeflection,
V1 , V2, aDrawer, anOStream);
}
//==================================================================
// function: Add
// purpose: 3
//==================================================================
void VrmlConverter_DeflectionCurve::Add(Standard_OStream& anOStream,
Adaptor3d_Curve& aCurve,
const Standard_Real aDeflection,
const Standard_Real aLimit)
{
Standard_Real V1, V2;
FindLimits(aCurve, aLimit, V1, V2);
Handle(VrmlConverter_Drawer) aDrawer = new VrmlConverter_Drawer;
Handle(VrmlConverter_LineAspect) la = new VrmlConverter_LineAspect;
aDrawer->SetLineAspect(la);
DrawCurve(aCurve,
aDeflection,
V1 , V2, aDrawer, anOStream);
}
//==================================================================
// function: Add
// purpose: 4
//==================================================================
void VrmlConverter_DeflectionCurve::Add(Standard_OStream& anOStream,
Adaptor3d_Curve& aCurve,
const Standard_Real aDeflection,
const Handle(VrmlConverter_Drawer)& aDrawer)
{
Standard_Real aLimit = aDrawer->MaximalParameterValue();
Standard_Real V1, V2;
FindLimits(aCurve, aLimit, V1, V2);
DrawCurve(aCurve,
aDeflection,
V1 , V2, aDrawer, anOStream);
}
//==================================================================
// function: Add
// purpose: 5
//==================================================================
void VrmlConverter_DeflectionCurve::Add(Standard_OStream& anOStream,
Adaptor3d_Curve& aCurve,
const Standard_Real U1,
const Standard_Real U2,
const Standard_Real aDeflection)
{
Handle(VrmlConverter_Drawer) aDrawer = new VrmlConverter_Drawer;
Handle(VrmlConverter_LineAspect) la = new VrmlConverter_LineAspect;
aDrawer->SetLineAspect(la);
DrawCurve(aCurve,
aDeflection,
U1 , U2, aDrawer, anOStream);
}
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