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occt/src/DsgPrs/DsgPrs_LengthPresentation.cxx
2012-03-05 19:28:25 +04:00

469 lines
15 KiB
C++
Executable File

#include <DsgPrs_LengthPresentation.ixx>
#include <gp_Lin.hxx>
#include <gp_Dir.hxx>
#include <ElCLib.hxx>
#include <gce_MakeLin.hxx>
#include <Graphic3d_Group.hxx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <Prs3d_Root.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <Prs3d_LineAspect.hxx>
#include <Prs3d_LengthAspect.hxx>
#include <TCollection_AsciiString.hxx>
#include <Graphic3d_AspectLine3d.hxx>
#include <Prs3d_Text.hxx>
#include <Precision.hxx>
#include <Graphic3d_Vertex.hxx>
#include <Graphic3d_AspectMarker3d.hxx>
#include <Aspect_TypeOfLine.hxx>
#include <Aspect_TypeOfMarker.hxx>
#include <Aspect_AspectMarker.hxx>
#include <Quantity_Color.hxx>
#include <DsgPrs.hxx>
#include <Geom_Curve.hxx>
void DsgPrs_LengthPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const TCollection_ExtendedString& aText,
const gp_Pnt& AttachmentPoint1,
const gp_Pnt& AttachmentPoint2,
const gp_Dir& aDirection,
const gp_Pnt& OffsetPoint)
{
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
gp_Lin L1 (AttachmentPoint1,aDirection);
gp_Lin L2 (AttachmentPoint2,aDirection);
gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,OffsetPoint),L1);
gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,OffsetPoint),L2);
gp_Lin L3;
if (!Proj1.IsEqual(Proj2,Precision::Confusion())) {
L3 = gce_MakeLin(Proj1,Proj2);
}
else {
L3 = gp_Lin(Proj1,aDirection);
}
Standard_Real parmin,parmax,parcur;
parmin = ElCLib::Parameter(L3,Proj1);
parmax = parmin;
parcur = ElCLib::Parameter(L3,Proj2);
Standard_Real dist = Abs(parmin-parcur);
if (parcur < parmin) parmin = parcur;
if (parcur > parmax) parmax = parcur;
parcur = ElCLib::Parameter(L3,OffsetPoint);
gp_Pnt offp = ElCLib::Value(parcur,L3);
Standard_Boolean outside = Standard_False;
if (parcur < parmin) {
parmin = parcur;
outside = Standard_True;
}
if (parcur > parmax) {
parmax = parcur;
outside = Standard_True;
}
gp_Pnt PointMin = ElCLib::Value(parmin,L3);
gp_Pnt PointMax = ElCLib::Value(parmax,L3);
Graphic3d_Array1OfVertex V(1,2);
Quantity_Length X,Y,Z;
PointMin.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
PointMax.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
// face processing : 1st group
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
if (dist < (LA->Arrow1Aspect()->Length()+LA->Arrow2Aspect()->Length())) {
outside = Standard_True;
}
gp_Dir arrdir = L3.Direction().Reversed();
if (outside) {
arrdir.Reverse();
}
// arrow 1 : 2nd group
Prs3d_Arrow::Draw(aPresentation,Proj1,arrdir,
LA->Arrow1Aspect()->Angle(),
LA->Arrow1Aspect()->Length());
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// arrow 2 : 3rd group
Prs3d_Arrow::Draw(aPresentation,Proj2,arrdir.Reversed(),
LA->Arrow2Aspect()->Angle(),
LA->Arrow2Aspect()->Length());
Prs3d_Root::NewGroup(aPresentation);
// text : 4th group
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,offp);
AttachmentPoint1.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Proj1.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// processing of call 1 : 5th group
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
AttachmentPoint2.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Proj2.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// processing of call 2 : 6th group
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
}
//==================================================================================
//function : Add
//purpose : Adds presentation of length dimension between two planar faces
//==================================================================================
void DsgPrs_LengthPresentation::Add( const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const TCollection_ExtendedString& aText,
const gp_Pnt& AttachmentPoint1,
const gp_Pnt& AttachmentPoint2,
const gp_Pln& PlaneOfFaces,
const gp_Dir& aDirection,
const gp_Pnt& OffsetPoint,
const DsgPrs_ArrowSide ArrowPrs )
{
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
gp_Pnt EndOfArrow1, EndOfArrow2;
gp_Dir DirOfArrow1;
DsgPrs::ComputePlanarFacesLengthPresentation( LA->Arrow1Aspect()->Length(),
LA->Arrow2Aspect()->Length(),
AttachmentPoint1,
AttachmentPoint2,
aDirection,
OffsetPoint,
PlaneOfFaces,
EndOfArrow1,
EndOfArrow2,
DirOfArrow1 );
Graphic3d_Array1OfVertex VertexArray( 1, 2 );
// Parameters for length's line
gp_Lin LengthLine( OffsetPoint, DirOfArrow1 );
Standard_Real Par1 = ElCLib::Parameter( LengthLine, EndOfArrow1 );
Standard_Real Par2 = ElCLib::Parameter( LengthLine, EndOfArrow2 );
gp_Pnt FirstPoint, LastPoint;
if (Par1 > 0.0 && Par2 > 0.0 || Par1 < 0.0 && Par2 < 0.0)
{
FirstPoint = OffsetPoint;
LastPoint = (Abs( Par1 ) > Abs( Par2 ))? EndOfArrow1 : EndOfArrow2;
}
else
{
FirstPoint = EndOfArrow1;
LastPoint = EndOfArrow2;
}
// Creating the length's line
VertexArray(1).SetCoord( FirstPoint.X(), FirstPoint.Y(), FirstPoint.Z() );
VertexArray(2).SetCoord( LastPoint.X(), LastPoint.Y(), LastPoint.Z() );
Prs3d_Root::CurrentGroup( aPresentation )->Polyline( VertexArray );
// Add presentation of arrows
DsgPrs::ComputeSymbol( aPresentation, LA,
EndOfArrow1, EndOfArrow2, //EndOfArrow1,
DirOfArrow1, DirOfArrow1.Reversed(), ArrowPrs );
// Drawing the text
Prs3d_Text::Draw( aPresentation, LA->TextAspect(), aText, OffsetPoint );
// Line from AttachmentPoint1 to end of Arrow1
VertexArray(1).SetCoord(AttachmentPoint1.X(),
AttachmentPoint1.Y(),
AttachmentPoint1.Z());
VertexArray(2).SetCoord( EndOfArrow1.X(), EndOfArrow1.Y(), EndOfArrow1.Z() );
Prs3d_Root::CurrentGroup( aPresentation )->Polyline( VertexArray );
// Line from AttachmentPoint2 to end of Arrow2
VertexArray(1).SetCoord(AttachmentPoint2.X(),
AttachmentPoint2.Y(),
AttachmentPoint2.Z());
VertexArray(2).SetCoord( EndOfArrow2.X(), EndOfArrow2.Y(), EndOfArrow2.Z() );
Prs3d_Root::CurrentGroup( aPresentation )->Polyline( VertexArray );
}
//=========================================================================================
//function : Add
//purpose : adds presentation of length between two edges, vertex and edge or two vertices
//=========================================================================================
void DsgPrs_LengthPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const TCollection_ExtendedString& aText,
const gp_Pnt& AttachmentPoint1,
const gp_Pnt& AttachmentPoint2,
const gp_Dir& aDirection,
const gp_Pnt& OffsetPoint,
const DsgPrs_ArrowSide ArrowPrs)
{
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
gp_Lin L1 (AttachmentPoint1,aDirection);
gp_Lin L2 (AttachmentPoint2,aDirection);
gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,OffsetPoint),L1);
gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,OffsetPoint),L2);
gp_Lin L3;
if (!Proj1.IsEqual(Proj2,Precision::Confusion())) {
L3 = gce_MakeLin(Proj1,Proj2);
}
else {
L3 = gp_Lin(Proj1,aDirection);
}
Standard_Real parmin,parmax,parcur;
parmin = ElCLib::Parameter(L3,Proj1);
parmax = parmin;
parcur = ElCLib::Parameter(L3,Proj2);
Standard_Real dist = Abs(parmin-parcur);
if (parcur < parmin) parmin = parcur;
if (parcur > parmax) parmax = parcur;
parcur = ElCLib::Parameter(L3,OffsetPoint);
gp_Pnt offp = ElCLib::Value(parcur,L3);
Standard_Boolean outside = Standard_False;
if (parcur < parmin) {
parmin = parcur;
outside = Standard_True;
}
if (parcur > parmax) {
parmax = parcur;
outside = Standard_True;
}
gp_Pnt PointMin = ElCLib::Value(parmin,L3);
gp_Pnt PointMax = ElCLib::Value(parmax,L3);
Graphic3d_Array1OfVertex V(1,2);
Quantity_Length X,Y,Z;
PointMin.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
PointMax.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
// processing of face
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
if (dist < (LA->Arrow1Aspect()->Length()+LA->Arrow2Aspect()->Length())) {
outside = Standard_True;
}
gp_Dir arrdir = L3.Direction().Reversed();
if (outside) {
arrdir.Reverse();
}
AttachmentPoint1.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Proj1.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
// processing of call 1
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
AttachmentPoint2.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Proj2.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
// processing of call 2
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
// text
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,offp);
// symbols at the extremities of the face
DsgPrs::ComputeSymbol(aPresentation,LA,Proj1,Proj2,arrdir,arrdir.Reversed(),ArrowPrs);
}
//==================================================================================
//function : Add
//purpose : Adds presentation of length dimension between two curvilinear faces
//==================================================================================
void DsgPrs_LengthPresentation::Add( const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const TCollection_ExtendedString& aText,
const Handle( Geom_Surface )& SecondSurf,
const gp_Pnt& AttachmentPoint1,
const gp_Pnt& AttachmentPoint2,
const gp_Dir& aDirection,
const gp_Pnt& OffsetPoint,
const DsgPrs_ArrowSide ArrowPrs )
{
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
gp_Pnt EndOfArrow2;
gp_Dir DirOfArrow1;
Handle( Geom_Curve ) VCurve, UCurve;
Standard_Real FirstU, deltaU = 0.0e0, FirstV, deltaV = 0.0e0;
DsgPrs::ComputeCurvilinearFacesLengthPresentation( LA->Arrow1Aspect()->Length(),
LA->Arrow2Aspect()->Length(),
SecondSurf,
AttachmentPoint1,
AttachmentPoint2,
aDirection,
EndOfArrow2,
DirOfArrow1,
VCurve,
UCurve,
FirstU, deltaU,
FirstV, deltaV );
Graphic3d_Array1OfVertex VertexArray( 1, 2 );
gp_Lin LengthLine( OffsetPoint, DirOfArrow1 );
Standard_Real Par1 = ElCLib::Parameter( LengthLine, AttachmentPoint1 );
Standard_Real Par2 = ElCLib::Parameter( LengthLine, EndOfArrow2 );
gp_Pnt FirstPoint, LastPoint;
if (Par1 > 0.0 && Par2 > 0.0 || Par1 < 0.0 && Par2 < 0.0)
{
FirstPoint = OffsetPoint;
LastPoint = (Abs( Par1 ) > Abs( Par2 ))? AttachmentPoint1 : EndOfArrow2;
}
else
{
FirstPoint = AttachmentPoint1;
LastPoint = EndOfArrow2;
}
// Creating the length's line
VertexArray(1).SetCoord( FirstPoint.X(), FirstPoint.Y(), FirstPoint.Z() );
VertexArray(2).SetCoord( LastPoint.X(), LastPoint.Y(), LastPoint.Z() );
Prs3d_Root::CurrentGroup( aPresentation )->Polyline( VertexArray );
// Add presentation of arrows
DsgPrs::ComputeSymbol( aPresentation, LA,
AttachmentPoint1, EndOfArrow2,
DirOfArrow1, DirOfArrow1.Reversed(), ArrowPrs );
// Drawing the text
Prs3d_Text::Draw( aPresentation, LA->TextAspect(), aText, OffsetPoint );
// Two curves from end of Arrow2 to AttachmentPoint2
Standard_Real Alpha, delta;
Standard_Integer NodeNumber;
Alpha = Abs( deltaU );
if (Alpha > Precision::Angular() && Alpha<Precision::Infinite())
{
NodeNumber = Max( 4 , Standard_Integer (50. * Alpha / PI) );
Graphic3d_Array1OfVertex ApproxCurve( 1, NodeNumber );
delta = deltaU / (Standard_Real)( NodeNumber - 1 );
gp_Pnt CurPnt;
for (Standard_Integer i = 1; i <= NodeNumber; i++)
{
CurPnt = VCurve->Value( FirstU );
ApproxCurve(i).SetCoord( CurPnt.X(), CurPnt.Y(), CurPnt.Z() );
FirstU += delta;
}
Prs3d_Root::CurrentGroup( aPresentation )->Polyline( ApproxCurve );
}
Alpha = Abs( deltaV );
if (Alpha > Precision::Angular() && Alpha<Precision::Infinite())
{
NodeNumber = Max( 4 , Standard_Integer (50. * Alpha / PI) );
Graphic3d_Array1OfVertex ApproxCurve( 1, NodeNumber );
delta = deltaV / (Standard_Real)( NodeNumber - 1 );
gp_Pnt CurPnt;
for (Standard_Integer i = 1; i <= NodeNumber; i++)
{
CurPnt = UCurve->Value( FirstV );
ApproxCurve(i).SetCoord( CurPnt.X(), CurPnt.Y(), CurPnt.Z() );
FirstV += delta;
}
Prs3d_Root::CurrentGroup( aPresentation )->Polyline( ApproxCurve );
}
}
//================================
// Function:
// Purpose: Rob 26-mar-96
//=================================
void DsgPrs_LengthPresentation::Add (const Handle(Prs3d_Presentation)& aPrs,
const Handle(Prs3d_Drawer)& aDrawer,
const gp_Pnt& Pt1,
const gp_Pnt& Pt2,
const DsgPrs_ArrowSide ArrowPrs)
{
Prs3d_Root::CurrentGroup(aPrs)->BeginPrimitives();
Graphic3d_Array1OfVertex Vx(1,2);
Vx(1).SetCoord(Pt1.X(),Pt1.Y(),Pt1.Z());
Vx(2).SetCoord(Pt2.X(),Pt2.Y(),Pt2.Z());
Prs3d_Root::CurrentGroup(aPrs)->Polyline(Vx);
gp_Vec V ;
switch(ArrowPrs){
case DsgPrs_AS_NONE:
break;
case DsgPrs_AS_LASTAR:
Prs3d_Arrow::Draw(aPrs,Pt2,gp_Dir(gp_Vec(Pt1,Pt2)),
aDrawer->LengthAspect()->Arrow1Aspect()->Angle(),
aDrawer->LengthAspect()->Arrow1Aspect()->Length());
break;
case DsgPrs_AS_FIRSTAR:
Prs3d_Arrow::Draw(aPrs,Pt1,gp_Dir(gp_Vec(Pt2,Pt1)),
aDrawer->LengthAspect()->Arrow1Aspect()->Angle(),
aDrawer->LengthAspect()->Arrow1Aspect()->Length());
break;
case DsgPrs_AS_BOTHAR:
V = gp_Vec(Pt1,Pt2);
Prs3d_Arrow::Draw(aPrs,Pt2,gp_Dir(V),
aDrawer->LengthAspect()->Arrow1Aspect()->Angle(),
aDrawer->LengthAspect()->Arrow1Aspect()->Length());
Prs3d_Arrow::Draw(aPrs,Pt1,gp_Dir(V.Reversed()),
aDrawer->LengthAspect()->Arrow1Aspect()->Angle(),
aDrawer->LengthAspect()->Arrow1Aspect()->Length());
break;
#ifndef DEB
default:
break;
#endif
}
Prs3d_Root::CurrentGroup(aPrs)->EndPrimitives();
}