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// Great zoom leads to non-coincidence of
// a point and non-infinite lines passing throught this point:
#define OCC64
#include <StdPrs_DeflectionCurve.ixx>
#include <Graphic3d_ArrayOfPrimitives.hxx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <Graphic3d_Group.hxx>
#include <Prs3d_LineAspect.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <gp_Pnt.hxx>
#include <gp_Circ.hxx>
#include <gp_Dir.hxx>
#include <gp_Vec.hxx>
#include <Prs3d.hxx>
#include <Bnd_Box.hxx>
#include <BndLib_Add3dCurve.hxx>
#include <Precision.hxx>
#include <GCPnts_QuasiUniformDeflection.hxx>
#include <GCPnts_TangentialDeflection.hxx>
#include <TColgp_SequenceOfPnt.hxx>
#include <TColStd_Array1OfReal.hxx>
//==================================================================
// function: GetDeflection
// purpose:
//==================================================================
static Standard_Real GetDeflection(const Adaptor3d_Curve& aCurve,
const Standard_Real U1,
const Standard_Real U2,
const Handle(Prs3d_Drawer)& aDrawer) {
Standard_Real TheDeflection;
Aspect_TypeOfDeflection TOD = aDrawer->TypeOfDeflection();
if (TOD == Aspect_TOD_RELATIVE) {
// On calcule la fleche en fonction des min max globaux de la piece:
Bnd_Box Total;
BndLib_Add3dCurve::Add(aCurve, U1, U2, 0.,Total);
Standard_Real m = RealFirst();
Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
Total.Get( aXmin, aYmin, aZmin, aXmax, aYmax, aZmax );
m = RealLast();
if ( ! (Total.IsOpenXmin() || Total.IsOpenXmax() ))
m = Abs (aXmax-aXmin);
if ( ! (Total.IsOpenYmin() || Total.IsOpenYmax() ))
m = Max ( m , Abs (aYmax-aYmin));
if ( ! (Total.IsOpenZmin() || Total.IsOpenZmax() ))
m = Max ( m , Abs (aZmax-aZmin));
m = Min ( m , aDrawer->MaximalParameterValue());
m = Max(m, Precision::Confusion());
TheDeflection = m * aDrawer->DeviationCoefficient();
}
else
TheDeflection = aDrawer->MaximalChordialDeviation();
return TheDeflection;
}
//==================================================================
// function: FindLimits
// purpose:
//==================================================================
static Standard_Boolean 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;
Standard_Integer count = 0;
if (firstInf && lastInf) {
do {
if (count++ == 100000) return Standard_False;
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 {
if (count++ == 100000) return Standard_False;
delta *= 2;
First = Last - delta;
aCurve.D0(First,P1);
} while (P1.Distance(P2) < aLimit);
}
else if (lastInf) {
aCurve.D0(First,P1);
do {
if (count++ == 100000) return Standard_False;
delta *= 2;
Last = First + delta;
aCurve.D0(Last,P2);
} while (P1.Distance(P2) < aLimit);
}
}
return Standard_True;
}
//==================================================================
// function: DrawCurve
// purpose:
//==================================================================
static void DrawCurve (Adaptor3d_Curve& aCurve,
const Handle(Graphic3d_Group) aGroup,
const Quantity_Length TheDeflection,
const Standard_Real anAngle,
const Standard_Real U1,
const Standard_Real U2,
TColgp_SequenceOfPnt& Points,
const Standard_Boolean drawCurve)
{
Standard_Boolean isPrimArrayEnabled = Graphic3d_ArrayOfPrimitives::IsEnable() && !drawCurve;
switch (aCurve.GetType()) {
case GeomAbs_Line:
{
#ifdef OCC64
Graphic3d_Array1OfVertex VertexArray(1, 3);
gp_Pnt p = aCurve.Value(U1);
Points.Append(p);
VertexArray(1).SetCoord(p.X(), p.Y(), p.Z());
p = aCurve.Value(0.5 * (U1 + U2));
Points.Append(p);
VertexArray(2).SetCoord(p.X(), p.Y(), p.Z());
p = aCurve.Value(U2);
Points.Append(p);
VertexArray(3).SetCoord(p.X(), p.Y(), p.Z());
if(!isPrimArrayEnabled)
aGroup->Polyline(VertexArray);
#else
static Graphic3d_Array1OfVertex VertexArray(1,2);
gp_Pnt p = aCurve.Value(U1);
Points.Append(p);
VertexArray(1).SetCoord(p.X(), p.Y(), p.Z());
p = aCurve.Value(U2);
Points.Append(p);
VertexArray(2).SetCoord(p.X(), p.Y(), p.Z());
if(!isPrimArrayEnabled)
aGroup->Polyline(VertexArray);
#endif
}
break;
default:
{
Standard_Integer nbinter = aCurve.NbIntervals(GeomAbs_C1);
Standard_Integer i, j;
TColStd_Array1OfReal T(1, nbinter+1);
aCurve.Intervals(T, GeomAbs_C1);
Standard_Real theU1, theU2;
Standard_Integer NumberOfPoints;
TColgp_SequenceOfPnt SeqP;
for (j = 1; j <= nbinter; j++) {
theU1 = T(j); theU2 = T(j+1);
if (theU2 > U1 && theU1 < U2) {
theU1 = Max(theU1, U1);
theU2 = Min(theU2, U2);
GCPnts_TangentialDeflection Algo(aCurve, theU1, theU2, anAngle, TheDeflection);
NumberOfPoints = Algo.NbPoints();
if (NumberOfPoints > 0) {
for (i=1;i<NumberOfPoints;i++) {
SeqP.Append(Algo.Value(i));
}
if (j == nbinter) {
SeqP.Append(Algo.Value(NumberOfPoints));
}
}
}
}
Graphic3d_Array1OfVertex VertexArray(1, SeqP.Length());
Standard_Integer totalpoints = 1;
for (i = 1; i <= SeqP.Length(); i++) {
const gp_Pnt& p = SeqP.Value(i);
Points.Append(p);
VertexArray(totalpoints++).SetCoord(p.X(), p.Y(), p.Z());
}
if(!isPrimArrayEnabled)
aGroup->Polyline(VertexArray);
}
}
}
//==================================================================
// function: MatchCurve
// purpose:
//==================================================================
static Standard_Boolean MatchCurve (
const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Adaptor3d_Curve& aCurve,
const Quantity_Length TheDeflection,
const Standard_Real anAngle,
const Standard_Real U1,
const Standard_Real U2)
{
Quantity_Length retdist;
switch (aCurve.GetType()) {
case GeomAbs_Line:
{
static Graphic3d_Array1OfVertex VertexArray(1,2);
gp_Pnt p1 = aCurve.Value(U1);
if ( Abs(X-p1.X()) + Abs(Y-p1.Y()) + Abs(Z-p1.Z()) <= aDistance)
return Standard_True;
gp_Pnt p2 = aCurve.Value(U2);
if ( Abs(X-p2.X()) + Abs(Y-p2.Y()) + Abs(Z-p2.Z()) <= aDistance)
return Standard_True;
return Prs3d::MatchSegment(X,Y,Z,aDistance,p1,p2,retdist);
}
break;
case GeomAbs_Circle:
{
Standard_Real Radius = aCurve.Circle().Radius();
if (!Precision::IsInfinite(Radius)) {
Standard_Real DU = Sqrt(8.0 * TheDeflection / Radius);
Standard_Real Er = Abs( U2 - U1) / DU;
Standard_Integer N = Max(2, (Standard_Integer)IntegerPart(Er));
gp_Pnt p1,p2;
if ( N > 0) {
Standard_Real U;
for (Standard_Integer Index = 1; Index <= N+1; Index++) {
U = U1 + (Index - 1) * DU;
p2 = aCurve.Value(U);
if ( Abs(X-p2.X()) + Abs(Y-p2.Y()) + Abs(Z-p2.Z()) <= aDistance)
return Standard_True;
if (Index>1) {
if (Prs3d::MatchSegment(X,Y,Z,aDistance,p1,p2,retdist))
return Standard_True;
}
p1=p2;
}
}
}
return Standard_False;
}
break;
default:
{
GCPnts_TangentialDeflection Algo(aCurve,U1, U2, anAngle, TheDeflection);
gp_Pnt p1,p2;
Standard_Integer NumberOfPoints = Algo.NbPoints();
if (NumberOfPoints > 0) {
for (Standard_Integer i=1;i<=NumberOfPoints;i++) {
p2 = Algo.Value(i);
if ( Abs(X-p2.X()) + Abs(Y-p2.Y()) + Abs(Z-p2.Z()) <= aDistance)
return Standard_True;
if (i>1) {
if (Prs3d::MatchSegment(X,Y,Z,aDistance,p1,p2,retdist))
return Standard_True;
}
p1=p2;
}
}
return Standard_False;
}
}
#ifndef _MSC_VER
return Standard_False;
#endif
}
//==================================================================
// function: Add
// purpose:
//==================================================================
void StdPrs_DeflectionCurve::Add (const Handle (Prs3d_Presentation)& aPresentation,
Adaptor3d_Curve& aCurve,
const Handle (Prs3d_Drawer)& aDrawer,
const Standard_Boolean drawCurve) {
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(aDrawer->LineAspect()->Aspect());
Standard_Real V1, V2, angle = aDrawer->DeviationAngle();
Standard_Boolean OK = FindLimits(aCurve, aDrawer->MaximalParameterValue(), V1, V2);
TColgp_SequenceOfPnt Points;
if (OK) {
DrawCurve(aCurve,
Prs3d_Root::CurrentGroup(aPresentation),
GetDeflection(aCurve, V1, V2, aDrawer),
angle,
V1 , V2, Points, drawCurve);
if (aDrawer->LineArrowDraw()) {
gp_Pnt Location;
gp_Vec Direction;
aCurve.D1(V2, Location,Direction);
Prs3d_Arrow::Draw (aPresentation,
Location,
gp_Dir(Direction),
aDrawer->ArrowAspect()->Angle(),
aDrawer->ArrowAspect()->Length());
}
}
}
//==================================================================
// function: Add
// purpose:
//==================================================================
void StdPrs_DeflectionCurve::Add (const Handle (Prs3d_Presentation)& aPresentation,
Adaptor3d_Curve& aCurve,
const Standard_Real U1,
const Standard_Real U2,
const Handle (Prs3d_Drawer)& aDrawer,
const Standard_Boolean drawCurve) {
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(aDrawer->LineAspect()->Aspect());
Standard_Real V1 = U1;
Standard_Real V2 = U2;
if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
Standard_Real angle = aDrawer->DeviationAngle();
TColgp_SequenceOfPnt Points;
DrawCurve(aCurve,
Prs3d_Root::CurrentGroup(aPresentation),
GetDeflection(aCurve, V1, V2, aDrawer),
angle,
V1 , V2, Points, drawCurve);
if (aDrawer->LineArrowDraw()) {
gp_Pnt Location;
gp_Vec Direction;
aCurve.D1(V2, Location,Direction);
Prs3d_Arrow::Draw (aPresentation,
Location,
gp_Dir(Direction),
aDrawer->ArrowAspect()->Angle(),
aDrawer->ArrowAspect()->Length());
}
}
//==================================================================
// function: Add
// purpose:
//==================================================================
void StdPrs_DeflectionCurve::Add (const Handle (Prs3d_Presentation)& aPresentation,
Adaptor3d_Curve& aCurve,
const Standard_Real U1,
const Standard_Real U2,
const Standard_Real aDeflection,
TColgp_SequenceOfPnt& Points,
const Standard_Real anAngle,
const Standard_Boolean drawCurve)
{
DrawCurve(aCurve, Prs3d_Root::CurrentGroup(aPresentation),
aDeflection, anAngle, U1, U2, Points, drawCurve);
}
//==================================================================
// function: Add
// purpose:
//==================================================================
void StdPrs_DeflectionCurve::Add (const Handle (Prs3d_Presentation)& aPresentation,
Adaptor3d_Curve& aCurve,
const Standard_Real aDeflection,
const Standard_Real aLimit,
const Standard_Real anAngle,
const Standard_Boolean drawCurve)
{
Standard_Real V1, V2;
Standard_Boolean OK = FindLimits(aCurve, aLimit, V1, V2);
TColgp_SequenceOfPnt Points;
if (OK) DrawCurve(aCurve, Prs3d_Root::CurrentGroup(aPresentation),
aDeflection, anAngle, V1, V2, Points, drawCurve);
}
//================================================================================
// function: Add
// purpose:
//================================================================================
void StdPrs_DeflectionCurve::Add (const Handle (Prs3d_Presentation)& aPresentation,
Adaptor3d_Curve& aCurve,
const Standard_Real aDeflection,
const Handle(Prs3d_Drawer)& aDrawer,
TColgp_SequenceOfPnt& Points,
const Standard_Boolean drawCurve)
{
Standard_Real aLimit = aDrawer->MaximalParameterValue();
Standard_Real V1, V2;
Standard_Boolean OK = FindLimits(aCurve, aLimit, V1, V2);
if (OK) DrawCurve(aCurve, Prs3d_Root::CurrentGroup(aPresentation),
aDeflection, aDrawer->DeviationAngle(), V1, V2, Points, drawCurve);
}
//==================================================================
// function: Match
// purpose:
//==================================================================
Standard_Boolean StdPrs_DeflectionCurve::Match
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Adaptor3d_Curve& aCurve,
const Handle (Prs3d_Drawer)& aDrawer)
{
Standard_Real V1, V2;
Standard_Boolean OK = FindLimits(aCurve, aDrawer->MaximalParameterValue(), V1, V2);
if (OK) {
return MatchCurve(X,Y,Z,aDistance,aCurve,
GetDeflection(aCurve, V1, V2, aDrawer),
aDrawer->DeviationAngle(),
V1 , V2);
}
else {
return Standard_False;
}
}
//==================================================================
// function: Match
// purpose:
//==================================================================
Standard_Boolean StdPrs_DeflectionCurve::Match
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Adaptor3d_Curve& aCurve,
const Standard_Real U1,
const Standard_Real U2,
const Handle (Prs3d_Drawer)& aDrawer)
{
Standard_Real V1 = U1;
Standard_Real V2 = U2;
if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
return MatchCurve(X,Y,Z,aDistance,aCurve,
GetDeflection(aCurve, V1, V2, aDrawer),
aDrawer->DeviationAngle(), V1 , V2);
}
//==================================================================
// function: Match
// purpose:
//==================================================================
Standard_Boolean StdPrs_DeflectionCurve::Match
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Adaptor3d_Curve& aCurve,
const Standard_Real U1,
const Standard_Real U2,
const Standard_Real aDeflection,
const Standard_Real anAngle) {
return MatchCurve(X,Y,Z,aDistance,aCurve,aDeflection,anAngle,U1,U2);
}
//==================================================================
// function: Match
// purpose:
//==================================================================
Standard_Boolean StdPrs_DeflectionCurve::Match
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Adaptor3d_Curve& aCurve,
const Standard_Real aDeflection,
const Standard_Real aLimit,
const Standard_Real anAngle) {
Standard_Real V1, V2;
Standard_Boolean OK = FindLimits(aCurve, aLimit, V1, V2);
if (OK) {
return MatchCurve(X,Y,Z,aDistance,aCurve,
aDeflection,
anAngle,
V1 , V2);
}
else {
return Standard_False;
}
}
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