src/DsgPrs/DsgPrs_OffsetPresentation.cxx

   1 // Created on: 1996-09-18
   2 // Created by: Jacques MINOT
   3 // Copyright (c) 1996-1999 Matra Datavision
   4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
   5 //
   6 // This file is part of Open CASCADE Technology software library.
   7 //
   8 // This library is free software; you can redistribute it and/or modify it under
   9 // the terms of the GNU Lesser General Public License version 2.1 as published
  10 // by the Free Software Foundation, with special exception defined in the file
  11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
  12 // distribution for complete text of the license and disclaimer of any warranty.
  13 //
  14 // Alternatively, this file may be used under the terms of Open CASCADE
  15 // commercial license or contractual agreement.
  16
  17
  18 #include <Aspect_AspectMarker.hxx>
  19 #include <Aspect_TypeOfLine.hxx>
  20 #include <Aspect_TypeOfMarker.hxx>
  21 #include <DsgPrs_OffsetPresentation.hxx>
  22 #include <ElCLib.hxx>
  23 #include <gce_MakeLin.hxx>
  24 #include <gp_Dir.hxx>
  25 #include <gp_Lin.hxx>
  26 #include <gp_Pnt.hxx>
  27 #include <Graphic3d_ArrayOfPoints.hxx>
  28 #include <Graphic3d_ArrayOfSegments.hxx>
  29 #include <Graphic3d_AspectLine3d.hxx>
  30 #include <Graphic3d_AspectMarker3d.hxx>
  31 #include <Graphic3d_Group.hxx>
  32 #include <Graphic3d_Vertex.hxx>
  33 #include <Precision.hxx>
  34 #include <Prs3d_Arrow.hxx>
  35 #include <Prs3d_ArrowAspect.hxx>
  36 #include <Prs3d_DimensionAspect.hxx>
  37 #include <Prs3d_LineAspect.hxx>
  38 #include <Prs3d_Presentation.hxx>
  39 #include <Prs3d_Text.hxx>
  40 #include <Quantity_Color.hxx>
  41 #include <TCollection_AsciiString.hxx>
  42 #include <TCollection_ExtendedString.hxx>
  43
  44 void DsgPrs_OffsetPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
  45                                      const Handle(Prs3d_Drawer)& aDrawer,
  46                                      const TCollection_ExtendedString& aText,
  47                                      const gp_Pnt& AttachmentPoint1,
  48                                      const gp_Pnt& AttachmentPoint2,
  49                                      const gp_Dir& aDirection,
  50                                      const gp_Dir& aDirection2,
  51                                      const gp_Pnt& OffsetPoint)
  52 {
  53   Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
  54   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
  55
  56   gp_Lin L1 (AttachmentPoint1,aDirection);
  57   gp_Lin L2 (AttachmentPoint2,aDirection2);
  58   gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,OffsetPoint),L1);
  59   gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,OffsetPoint),L2);
  60   gp_Lin L3,L4;
  61   Standard_Boolean DimNulle = Standard_False;
  62   if (!Proj1.IsEqual(Proj2,Precision::Confusion()*100.)) {
  63     L3 = gce_MakeLin(Proj1,Proj2);
  64   }
  65   else {
  66     //cout<<"DsgPrs_OffsetPresentation Cote nulle"<<endl;
  67     DimNulle = Standard_True;
  68     L3 = gp_Lin(Proj1,aDirection);
  69     gp_Vec v4 (Proj1,OffsetPoint);
  70     gp_Dir d4 (v4);
  71     L4 = gp_Lin(Proj1,d4); // normale
  72   }
  73   Standard_Real parmin,parmax,parcur;
  74   parmin = ElCLib::Parameter(L3,Proj1);
  75   parmax = parmin;
  76   parcur = ElCLib::Parameter(L3,Proj2);
  77   Standard_Real dist = Abs(parmin-parcur);
  78   if (parcur < parmin) parmin = parcur;
  79   if (parcur > parmax) parmax = parcur;
  80   parcur = ElCLib::Parameter(L3,OffsetPoint);
  81   gp_Pnt offp = ElCLib::Value(parcur,L3);
  82
  83   Standard_Boolean outside = Standard_False;
  84   if (parcur < parmin) {
  85     parmin = parcur;
  86     outside = Standard_True;
  87   }
  88   if (parcur > parmax) {
  89     parmax = parcur;
  90     outside = Standard_True;
  91   }
  92
  93   gp_Pnt PointMin = ElCLib::Value(parmin,L3);
  94   gp_Pnt PointMax = ElCLib::Value(parmax,L3);
  95
  96   // trait de cote : 1er groupe
  97   Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(6);
  98   aPrims->AddVertex(PointMin);
  99   aPrims->AddVertex(PointMax);
 100
 101   Prs3d_Root::NewGroup(aPresentation);
 102   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
 103
 104   if (DimNulle)
 105   {
 106     Prs3d_Arrow::Draw(aPresentation,offp,L4.Direction(),LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());
 107     Prs3d_Arrow::Draw(aPresentation,offp,L4.Direction().Reversed(),LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());
 108   }
 109   else
 110   {
 111     if (dist < (LA->ArrowAspect()->Length()+LA->ArrowAspect()->Length()))
 112       outside = Standard_True;
 113     gp_Dir arrdir = L3.Direction().Reversed();
 114     if (outside)
 115       arrdir.Reverse();
 116
 117     // fleche 1 : 2eme groupe
 118     Prs3d_Arrow::Draw(aPresentation,Proj1,arrdir,LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());
 119
 120     Prs3d_Root::NewGroup(aPresentation);
 121     Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
 122
 123     // ball 1 : 3eme groupe
 124     Quantity_Color aColor;
 125     Aspect_TypeOfLine aType;
 126     Standard_Real aWidth;
 127     LA->LineAspect()->Aspect()->Values (aColor, aType, aWidth);
 128     Handle(Graphic3d_AspectMarker3d) aMarkerAsp = new Graphic3d_AspectMarker3d (Aspect_TOM_O, aColor, 1.0);
 129     Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect (aMarkerAsp);
 130     Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
 131     anArrayOfPoints->AddVertex (Proj2.X(), Proj2.Y(), Proj2.Z());
 132     Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);
 133
 134     Prs3d_Root::NewGroup(aPresentation);
 135
 136     // texte : 4eme groupe
 137     Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,offp);
 138   }
 139
 140   Prs3d_Root::NewGroup(aPresentation);
 141   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
 142
 143   // trait de rappel 1 : 5eme groupe
 144   aPrims->AddVertex(AttachmentPoint1);
 145   aPrims->AddVertex(Proj1);
 146
 147   // trait de rappel 2 : 6eme groupe
 148   aPrims->AddVertex(AttachmentPoint2);
 149   aPrims->AddVertex(Proj2);
 150
 151   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
 152 }
 153
 154 void DsgPrs_OffsetPresentation::AddAxes (const Handle(Prs3d_Presentation)& aPresentation,
 155                                          const Handle(Prs3d_Drawer)& aDrawer,
 156                                          const TCollection_ExtendedString& /*aText*/,
 157                                          const gp_Pnt& AttachmentPoint1,
 158                                          const gp_Pnt& AttachmentPoint2,
 159                                          const gp_Dir& aDirection,
 160                                          const gp_Dir& /*aDirection2*/,
 161                                          const gp_Pnt& OffsetPoint)
 162 {
 163   gp_Lin L1 (AttachmentPoint1,aDirection);
 164   gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,OffsetPoint),L1);
 165
 166   gp_Lin L2 (AttachmentPoint2,aDirection);
 167   gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,OffsetPoint),L2);
 168
 169   Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
 170   Quantity_Color acolor;
 171   Aspect_TypeOfLine atype;
 172   Standard_Real awidth;
 173   LA->LineAspect()->Aspect()->Values(acolor, atype, awidth);
 174
 175   Handle(Graphic3d_AspectLine3d) AxeAsp = new Graphic3d_AspectLine3d (acolor, atype, awidth);
 176   AxeAsp->SetType( Aspect_TOL_DOTDASH);
 177   Prs3d_Root::NewGroup(aPresentation);
 178   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(AxeAsp);
 179
 180   // trait d'axe : 1er groupe
 181   Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
 182   aPrims->AddVertex(AttachmentPoint1);
 183   aPrims->AddVertex(Proj1);
 184   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
 185
 186   Prs3d_Root::NewGroup(aPresentation);
 187
 188   Handle(Graphic3d_AspectLine3d) Axe2Asp = new Graphic3d_AspectLine3d (acolor, atype, awidth);
 189   Axe2Asp->SetType  ( Aspect_TOL_DOTDASH);
 190   Axe2Asp->SetWidth ( 4.);
 191   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(Axe2Asp);
 192
 193   // trait d'axe: 2eme groupe
 194   aPrims = new Graphic3d_ArrayOfSegments(2);
 195   aPrims->AddVertex(AttachmentPoint2);
 196   aPrims->AddVertex(Proj2);
 197   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
 198
 199   // anneau : 3eme et 4eme groupes
 200   Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
 201   anArrayOfPoints->AddVertex (Proj2.X(), Proj2.Y(), Proj2.Z());
 202
 203   Prs3d_Root::NewGroup(aPresentation);
 204   Handle(Graphic3d_AspectMarker3d) MarkerAsp = new Graphic3d_AspectMarker3d();
 205   MarkerAsp->SetType(Aspect_TOM_O);
 206   MarkerAsp->SetScale(4.);
 207   //MarkerAsp->SetColor(Quantity_Color(Quantity_NOC_RED));
 208   MarkerAsp->SetColor(acolor);
 209   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(MarkerAsp);
 210   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);
 211
 212   Prs3d_Root::NewGroup(aPresentation);
 213   Handle(Graphic3d_AspectMarker3d) Marker2Asp = new Graphic3d_AspectMarker3d();
 214   Marker2Asp->SetType(Aspect_TOM_O);
 215   Marker2Asp->SetScale(2.);
 216   //Marker2Asp->SetColor(Quantity_Color(Quantity_NOC_GREEN));
 217   Marker2Asp->SetColor(acolor);
 218   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(Marker2Asp);
 219   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);
 220 }