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 #include <DsgPrs_OffsetPresentation.hxx>
  18
  19 #include <ElCLib.hxx>
  20 #include <gce_MakeLin.hxx>
  21 #include <gp_Dir.hxx>
  22 #include <gp_Lin.hxx>
  23 #include <gp_Pnt.hxx>
  24 #include <Graphic3d_ArrayOfPoints.hxx>
  25 #include <Graphic3d_ArrayOfSegments.hxx>
  26 #include <Graphic3d_AspectLine3d.hxx>
  27 #include <Graphic3d_AspectMarker3d.hxx>
  28 #include <Graphic3d_Group.hxx>
  29 #include <Precision.hxx>
  30 #include <Prs3d_Arrow.hxx>
  31 #include <Prs3d_ArrowAspect.hxx>
  32 #include <Prs3d_DimensionAspect.hxx>
  33 #include <Prs3d_LineAspect.hxx>
  34 #include <Prs3d_Presentation.hxx>
  35 #include <Prs3d_Text.hxx>
  36 #include <TCollection_AsciiString.hxx>
  37 #include <TCollection_ExtendedString.hxx>
  38
  39 void DsgPrs_OffsetPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
  40                                      const Handle(Prs3d_Drawer)& aDrawer,
  41                                      const TCollection_ExtendedString& aText,
  42                                      const gp_Pnt& AttachmentPoint1,
  43                                      const gp_Pnt& AttachmentPoint2,
  44                                      const gp_Dir& aDirection,
  45                                      const gp_Dir& aDirection2,
  46                                      const gp_Pnt& OffsetPoint)
  47 {
  48   Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
  49   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
  50
  51   gp_Lin L1 (AttachmentPoint1,aDirection);
  52   gp_Lin L2 (AttachmentPoint2,aDirection2);
  53   gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,OffsetPoint),L1);
  54   gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,OffsetPoint),L2);
  55   gp_Lin L3,L4;
  56   Standard_Boolean DimNulle = Standard_False;
  57   if (!Proj1.IsEqual(Proj2,Precision::Confusion()*100.)) {
  58     L3 = gce_MakeLin(Proj1,Proj2);
  59   }
  60   else {
  61     //cout<<"DsgPrs_OffsetPresentation Cote nulle"<<endl;
  62     DimNulle = Standard_True;
  63     L3 = gp_Lin(Proj1,aDirection);
  64     gp_Vec v4 (Proj1,OffsetPoint);
  65     gp_Dir d4 (v4);
  66     L4 = gp_Lin(Proj1,d4); // normale
  67   }
  68   Standard_Real parmin,parmax,parcur;
  69   parmin = ElCLib::Parameter(L3,Proj1);
  70   parmax = parmin;
  71   parcur = ElCLib::Parameter(L3,Proj2);
  72   Standard_Real dist = Abs(parmin-parcur);
  73   if (parcur < parmin) parmin = parcur;
  74   if (parcur > parmax) parmax = parcur;
  75   parcur = ElCLib::Parameter(L3,OffsetPoint);
  76   gp_Pnt offp = ElCLib::Value(parcur,L3);
  77
  78   Standard_Boolean outside = Standard_False;
  79   if (parcur < parmin) {
  80     parmin = parcur;
  81     outside = Standard_True;
  82   }
  83   if (parcur > parmax) {
  84     parmax = parcur;
  85     outside = Standard_True;
  86   }
  87
  88   gp_Pnt PointMin = ElCLib::Value(parmin,L3);
  89   gp_Pnt PointMax = ElCLib::Value(parmax,L3);
  90
  91   // trait de cote : 1er groupe
  92   Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(6);
  93   aPrims->AddVertex(PointMin);
  94   aPrims->AddVertex(PointMax);
  95
  96   Prs3d_Root::NewGroup(aPresentation);
  97   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
  98
  99   if (DimNulle)
 100   {
 101     Prs3d_Arrow::Draw(aPresentation,offp,L4.Direction(),LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());
 102     Prs3d_Arrow::Draw(aPresentation,offp,L4.Direction().Reversed(),LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());
 103   }
 104   else
 105   {
 106     if (dist < (LA->ArrowAspect()->Length()+LA->ArrowAspect()->Length()))
 107       outside = Standard_True;
 108     gp_Dir arrdir = L3.Direction().Reversed();
 109     if (outside)
 110       arrdir.Reverse();
 111
 112     // fleche 1 : 2eme groupe
 113     Prs3d_Arrow::Draw(aPresentation,Proj1,arrdir,LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());
 114
 115     Prs3d_Root::NewGroup(aPresentation);
 116     Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
 117
 118     // ball 1 : 3eme groupe
 119     Quantity_Color aColor = LA->LineAspect()->Aspect()->Color();
 120     Handle(Graphic3d_AspectMarker3d) aMarkerAsp = new Graphic3d_AspectMarker3d (Aspect_TOM_O, aColor, 1.0);
 121     Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect (aMarkerAsp);
 122     Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
 123     anArrayOfPoints->AddVertex (Proj2.X(), Proj2.Y(), Proj2.Z());
 124     Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);
 125
 126     Prs3d_Root::NewGroup(aPresentation);
 127
 128     // texte : 4eme groupe
 129     Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,offp);
 130   }
 131
 132   Prs3d_Root::NewGroup(aPresentation);
 133   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
 134
 135   // trait de rappel 1 : 5eme groupe
 136   aPrims->AddVertex(AttachmentPoint1);
 137   aPrims->AddVertex(Proj1);
 138
 139   // trait de rappel 2 : 6eme groupe
 140   aPrims->AddVertex(AttachmentPoint2);
 141   aPrims->AddVertex(Proj2);
 142
 143   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
 144 }
 145
 146 void DsgPrs_OffsetPresentation::AddAxes (const Handle(Prs3d_Presentation)& aPresentation,
 147                                          const Handle(Prs3d_Drawer)& aDrawer,
 148                                          const TCollection_ExtendedString& /*aText*/,
 149                                          const gp_Pnt& AttachmentPoint1,
 150                                          const gp_Pnt& AttachmentPoint2,
 151                                          const gp_Dir& aDirection,
 152                                          const gp_Dir& /*aDirection2*/,
 153                                          const gp_Pnt& OffsetPoint)
 154 {
 155   gp_Lin L1 (AttachmentPoint1,aDirection);
 156   gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,OffsetPoint),L1);
 157
 158   gp_Lin L2 (AttachmentPoint2,aDirection);
 159   gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,OffsetPoint),L2);
 160
 161   Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
 162   Quantity_Color    acolor = LA->LineAspect()->Aspect()->Color();
 163   Aspect_TypeOfLine atype  = LA->LineAspect()->Aspect()->Type();
 164   Standard_Real     awidth = LA->LineAspect()->Aspect()->Width();
 165
 166   Handle(Graphic3d_AspectLine3d) AxeAsp = new Graphic3d_AspectLine3d (acolor, atype, awidth);
 167   AxeAsp->SetType( Aspect_TOL_DOTDASH);
 168   Prs3d_Root::NewGroup(aPresentation);
 169   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(AxeAsp);
 170
 171   // trait d'axe : 1er groupe
 172   Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
 173   aPrims->AddVertex(AttachmentPoint1);
 174   aPrims->AddVertex(Proj1);
 175   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
 176
 177   Prs3d_Root::NewGroup(aPresentation);
 178
 179   Handle(Graphic3d_AspectLine3d) Axe2Asp = new Graphic3d_AspectLine3d (acolor, atype, awidth);
 180   Axe2Asp->SetType  ( Aspect_TOL_DOTDASH);
 181   Axe2Asp->SetWidth ( 4.);
 182   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(Axe2Asp);
 183
 184   // trait d'axe: 2eme groupe
 185   aPrims = new Graphic3d_ArrayOfSegments(2);
 186   aPrims->AddVertex(AttachmentPoint2);
 187   aPrims->AddVertex(Proj2);
 188   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
 189
 190   // anneau : 3eme et 4eme groupes
 191   Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
 192   anArrayOfPoints->AddVertex (Proj2.X(), Proj2.Y(), Proj2.Z());
 193
 194   Prs3d_Root::NewGroup(aPresentation);
 195   Handle(Graphic3d_AspectMarker3d) MarkerAsp = new Graphic3d_AspectMarker3d();
 196   MarkerAsp->SetType(Aspect_TOM_O);
 197   MarkerAsp->SetScale(4.);
 198   //MarkerAsp->SetColor(Quantity_Color(Quantity_NOC_RED));
 199   MarkerAsp->SetColor(acolor);
 200   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(MarkerAsp);
 201   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);
 202
 203   Prs3d_Root::NewGroup(aPresentation);
 204   Handle(Graphic3d_AspectMarker3d) Marker2Asp = new Graphic3d_AspectMarker3d();
 205   Marker2Asp->SetType(Aspect_TOM_O);
 206   Marker2Asp->SetScale(2.);
 207   //Marker2Asp->SetColor(Quantity_Color(Quantity_NOC_GREEN));
 208   Marker2Asp->SetColor(acolor);
 209   Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(Marker2Asp);
 210   Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);
 211 }