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// File: DsgPrs_MidPointPresentation.cxx
// Created: Fri Oct 20 16:00:58 2000
// Author: Julia DOROVSKIKH
// <jfa@androx.nnov.matra-dtv.fr>
#include <DsgPrs_MidPointPresentation.ixx>
#include <Precision.hxx>
#include <TCollection_ExtendedString.hxx>
#include <gp_Lin.hxx>
#include <gp_Circ.hxx>
#include <gp_Vec.hxx>
#include <gp_Dir.hxx>
#include <gp_Ax1.hxx>
#include <gp_Ax2.hxx>
#include <gp_Pnt.hxx>
#include <ElCLib.hxx>
#include <Graphic3d_Group.hxx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <Graphic3d_AspectLine3d.hxx>
#include <Prs3d_Root.hxx>
#include <Prs3d_LineAspect.hxx>
#include <Prs3d_LengthAspect.hxx>
#include <Prs3d_Text.hxx>
//===================================================================
//Function:Add
//Purpose: draws the representation of a radial symmetry between two vertices.
//===================================================================
void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const gp_Ax2& theAxe,
const gp_Pnt& MidPoint,
const gp_Pnt& Position,
const gp_Pnt& AttachPoint,
const Standard_Boolean first)
{
Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0;
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Graphic3d_Array1OfVertex V(1,2);
gp_Pnt Ptmp;
gp_Ax2 ax = theAxe;
ax.SetLocation(MidPoint);
gp_Circ aCircleM (ax,rad);
if ( first )
{
// center of the symmetry - circle around the MidPoint
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
Standard_Real alpha = 2*Standard_PI;
Standard_Integer nbp = 100;
Graphic3d_Array1OfVertex VC(1,nbp);
Standard_Real dteta = alpha/(nbp-1);
gp_Pnt ptcur;
for (Standard_Integer i = 1; i <= nbp; i++)
{
ptcur = ElCLib::Value(dteta*(i-1),aCircleM);
VC(i).SetCoord(ptcur.X(),ptcur.Y(),ptcur.Z());
}
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VC);
// segment from mid point to the text position
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// mid point
if ( Position.IsEqual(MidPoint,rad) )
Ptmp = MidPoint;
else
Ptmp = ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM);
V(1).SetCoord(Ptmp.X(),Ptmp.Y(),Ptmp.Z());
// text position
V(2).SetCoord(Position.X(),Position.Y(),Position.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
// texte
TCollection_ExtendedString aText (" (+)");
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,Position);
}
if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) )
{
// segment from mid point to the geometry
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// mid point
Ptmp = ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM);
V(1).SetCoord(Ptmp.X(),Ptmp.Y(),Ptmp.Z());
// attach point to the geometry
V(2).SetCoord(AttachPoint.X(),AttachPoint.Y(),AttachPoint.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
}
}
//===================================================================
//Function:Add
//Purpose: draws the representation of a radial symmetry between two linear segments.
//===================================================================
void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const gp_Ax2& theAxe,
const gp_Pnt& MidPoint,
const gp_Pnt& Position,
const gp_Pnt& AttachPoint,
const gp_Pnt& Point1,
const gp_Pnt& Point2,
const Standard_Boolean first)
{
Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0;
if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0;
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Graphic3d_Array1OfVertex V(1,2);
gp_Pnt Ptmp;
gp_Ax2 ax = theAxe;
ax.SetLocation(MidPoint);
gp_Circ aCircleM (ax,rad);
if ( first )
{
// center of the symmetry - circle around the MidPoint
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
Standard_Real alpha = 2*Standard_PI;
Standard_Integer nbp = 100;
Graphic3d_Array1OfVertex VC(1,nbp);
Standard_Real dteta = alpha/(nbp-1);
gp_Pnt ptcur;
for (Standard_Integer i = 1; i <= nbp; i++)
{
ptcur = ElCLib::Value(dteta*(i-1),aCircleM);
VC(i).SetCoord(ptcur.X(),ptcur.Y(),ptcur.Z());
}
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VC);
// segment from mid point to the text position
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// mid point
if ( Position.IsEqual(MidPoint,rad) )
Ptmp = MidPoint;
else
Ptmp = ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM);
V(1).SetCoord(Ptmp.X(),Ptmp.Y(),Ptmp.Z());
// text position
V(2).SetCoord(Position.X(),Position.Y(),Position.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
// texte
TCollection_ExtendedString aText (" (+)");
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,Position);
}
if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) )
{
// segment from mid point to the geometry
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// mid point
Ptmp = ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM);
V(1).SetCoord(Ptmp.X(),Ptmp.Y(),Ptmp.Z());
// attach point to the geometry
V(2).SetCoord(AttachPoint.X(),AttachPoint.Y(),AttachPoint.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
}
// segment on line
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
V(1).SetCoord(Point1.X(),Point1.Y(),Point1.Z());
V(2).SetCoord(Point2.X(),Point2.Y(),Point2.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
}
//===================================================================
//Function:Add
//Purpose: draws the representation of a radial symmetry between two circular arcs.
//===================================================================
void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const gp_Circ& aCircle,
const gp_Pnt& MidPoint,
const gp_Pnt& Position,
const gp_Pnt& AttachPoint,
const gp_Pnt& Point1,
const gp_Pnt& Point2,
const Standard_Boolean first)
{
Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0;
if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0;
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Graphic3d_Array1OfVertex V(1,2);
gp_Pnt Ptmp,ptcur;
gp_Ax2 ax = aCircle.Position();
ax.SetLocation(MidPoint);
gp_Circ aCircleM (ax,rad);
if ( first )
{
// center of the symmetry - circle around the MidPoint
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
Standard_Real alpha = 2*Standard_PI;
Standard_Integer nbp = 100;
Graphic3d_Array1OfVertex VC(1,nbp);
Standard_Real dteta = alpha/(nbp-1);
for (Standard_Integer i = 1; i <= nbp; i++)
{
ptcur = ElCLib::Value(dteta*(i-1),aCircleM);
VC(i).SetCoord(ptcur.X(),ptcur.Y(),ptcur.Z());
}
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VC);
// segment from mid point to the text position
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// mid point
if ( Position.IsEqual(MidPoint,rad) )
Ptmp = MidPoint;
else
Ptmp = ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM);
V(1).SetCoord(Ptmp.X(),Ptmp.Y(),Ptmp.Z());
// text position
V(2).SetCoord(Position.X(),Position.Y(),Position.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
// texte
TCollection_ExtendedString aText (" (+)");
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,Position);
}
if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) )
{
// segment from mid point to the geometry
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// mid point
Ptmp = ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM);
V(1).SetCoord(Ptmp.X(),Ptmp.Y(),Ptmp.Z());
// attach point to the geometry
V(2).SetCoord(AttachPoint.X(),AttachPoint.Y(),AttachPoint.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
}
// segment on circle
Standard_Real pf = ElCLib::Parameter(aCircle,Point1);
Standard_Real pl = ElCLib::Parameter(aCircle,Point2);
Standard_Real alpha = pl - pf;
if ( alpha < 0 ) alpha += 2*Standard_PI;
Standard_Integer nb = (Standard_Integer)(50.0*alpha/PI);
Standard_Integer nbp = Max(4,nb);
Graphic3d_Array1OfVertex VC1(1,nbp);
Standard_Real dteta = alpha/(nbp-1);
for (Standard_Integer i = 1; i <= nbp; i++)
{
ptcur = ElCLib::Value(pf + dteta*(i-1),aCircle);
VC1(i).SetCoord(ptcur.X(),ptcur.Y(),ptcur.Z());
}
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VC1);
}
//===================================================================
//Function:Add
//Purpose: draws the representation of a radial symmetry between two elliptic arcs.
//===================================================================
void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const gp_Elips& aCircle,
const gp_Pnt& MidPoint,
const gp_Pnt& Position,
const gp_Pnt& AttachPoint,
const gp_Pnt& Point1,
const gp_Pnt& Point2,
const Standard_Boolean first)
{
Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0;
if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0;
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Graphic3d_Array1OfVertex V(1,2);
gp_Pnt Ptmp,ptcur;
gp_Ax2 ax = aCircle.Position();
ax.SetLocation(MidPoint);
gp_Circ aCircleM (ax,rad);
if ( first )
{
// center of the symmetry - circle around the MidPoint
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
Standard_Real alpha = 2*Standard_PI;
Standard_Integer nbp = 100;
Graphic3d_Array1OfVertex VC(1,nbp);
Standard_Real dteta = alpha/(nbp-1);
for (Standard_Integer i = 1; i <= nbp; i++)
{
ptcur = ElCLib::Value(dteta*(i-1),aCircleM);
VC(i).SetCoord(ptcur.X(),ptcur.Y(),ptcur.Z());
}
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VC);
// segment from mid point to the text position
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// mid point
if ( Position.IsEqual(MidPoint,rad) )
Ptmp = MidPoint;
else
Ptmp = ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM);
V(1).SetCoord(Ptmp.X(),Ptmp.Y(),Ptmp.Z());
// text position
V(2).SetCoord(Position.X(),Position.Y(),Position.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
// texte
TCollection_ExtendedString aText (" (+)");
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,Position);
}
if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) )
{
// segment from mid point to the geometry
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// mid point
Ptmp = ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM);
V(1).SetCoord(Ptmp.X(),Ptmp.Y(),Ptmp.Z());
// attach point to the geometry
V(2).SetCoord(AttachPoint.X(),AttachPoint.Y(),AttachPoint.Z());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
}
// segment on ellipse
Standard_Real pf = ElCLib::Parameter(aCircle,Point1);
Standard_Real pl = ElCLib::Parameter(aCircle,Point2);
Standard_Real alpha = pl - pf;
if ( alpha < 0 ) alpha += 2*Standard_PI;
Standard_Integer nb = (Standard_Integer)(50.0*alpha/PI);
Standard_Integer nbp = Max(4,nb);
Graphic3d_Array1OfVertex VC1(1,nbp);
Standard_Real dteta = alpha/(nbp-1);
for (Standard_Integer i = 1; i <= nbp; i++)
{
ptcur = ElCLib::Value(pf + dteta*(i-1),aCircle);
VC1(i).SetCoord(ptcur.X(),ptcur.Y(),ptcur.Z());
}
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VC1);
}
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