src/DsgPrs/DsgPrs_DatumPrs.cxx

   1 // Copyright (c) 2013-2014 OPEN CASCADE SAS
   2 //
   3 // This file is part of Open CASCADE Technology software library.
   4 //
   5 // This library is free software; you can redistribute it and/or modify it under
   6 // the terms of the GNU Lesser General Public License version 2.1 as published
   7 // by the Free Software Foundation, with special exception defined in the file
   8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
   9 // distribution for complete text of the license and disclaimer of any warranty.
  10 //
  11 // Alternatively, this file may be used under the terms of Open CASCADE
  12 // commercial license or contractual agreement.
  13
  14 #include <DsgPrs_DatumPrs.hxx>
  15 #include <gp_Dir.hxx>
  16 #include <gp_Pnt.hxx>
  17 #include <gp_Ax2.hxx>
  18 #include <Graphic3d_Group.hxx>
  19 #include <Graphic3d_AspectLine3d.hxx>
  20 #include <Graphic3d_ArrayOfSegments.hxx>
  21 #include <Prs3d_Arrow.hxx>
  22 #include <Prs3d_LineAspect.hxx>
  23 #include <Prs3d_DatumAspect.hxx>
  24 #include <Prs3d_TextAspect.hxx>
  25 #include <Prs3d_ArrowAspect.hxx>
  26
  27 void DsgPrs_DatumPrs::Add (const Handle(Prs3d_Presentation)& thePresentation,
  28                            const gp_Ax2&                     theDatum,
  29                            const Handle(Prs3d_Drawer)&       theDrawer)
  30 {
  31   Handle(Prs3d_DatumAspect) aDatumAspect = theDrawer->DatumAspect();
  32   Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup(thePresentation);
  33
  34   gp_Ax2 anAxis(theDatum);
  35   gp_Pnt anOrigin = anAxis.Location();
  36   gp_Dir aXDir = anAxis.XDirection();
  37   gp_Dir aYDir = anAxis.YDirection();
  38   gp_Dir aZDir = anAxis.Direction();
  39
  40   Quantity_Length anAxisLength;
  41   Quantity_Length anArrowAngle = theDrawer->ArrowAspect()->Angle();
  42
  43   const Standard_Boolean toDrawLabels = theDrawer->DatumAspect()->ToDrawLabels();
  44
  45   Handle(Graphic3d_ArrayOfSegments) aPrims;
  46   if (aDatumAspect->DrawFirstAndSecondAxis())
  47   {
  48     anAxisLength = aDatumAspect->FirstAxisLength();
  49     const gp_Pnt aPoint1(anOrigin.XYZ() + aXDir.XYZ()*anAxisLength);
  50
  51     aGroup->SetPrimitivesAspect(aDatumAspect->FirstAxisAspect()->Aspect());
  52     aPrims = new Graphic3d_ArrayOfSegments(2);
  53     aPrims->AddVertex(anOrigin);
  54     aPrims->AddVertex(aPoint1);
  55     aGroup->AddPrimitiveArray(aPrims);
  56
  57     aGroup->SetPrimitivesAspect(theDrawer->ArrowAspect()->Aspect());
  58     Prs3d_Arrow::Draw (Prs3d_Root::CurrentGroup (thePresentation), aPoint1, aXDir, anArrowAngle, anAxisLength/10.);
  59     aGroup->SetPrimitivesAspect(theDrawer->TextAspect()->Aspect());
  60     Graphic3d_Vertex aVertex1(aPoint1.X(),aPoint1.Y(),aPoint1.Z());
  61     if (toDrawLabels)
  62     {
  63       aGroup->Text (Standard_CString ("X"), aVertex1, 16.0);
  64     }
  65
  66     anAxisLength = aDatumAspect->SecondAxisLength();
  67     const gp_Pnt aPoint2(anOrigin.XYZ() + aYDir.XYZ()*anAxisLength);
  68
  69     aGroup->SetPrimitivesAspect(aDatumAspect->SecondAxisAspect()->Aspect());
  70     aPrims = new Graphic3d_ArrayOfSegments(2);
  71     aPrims->AddVertex(anOrigin);
  72     aPrims->AddVertex(aPoint2);
  73     aGroup->AddPrimitiveArray(aPrims);
  74
  75     aGroup->SetPrimitivesAspect(theDrawer->ArrowAspect()->Aspect());
  76     Prs3d_Arrow::Draw (Prs3d_Root::CurrentGroup (thePresentation), aPoint2, aYDir, anArrowAngle, anAxisLength/10.);
  77     aGroup->SetPrimitivesAspect(theDrawer->TextAspect()->Aspect());
  78     Graphic3d_Vertex aVertex2(aPoint2.X(),aPoint2.Y(),aPoint2.Z());
  79     if (toDrawLabels)
  80     {
  81       aGroup->Text (Standard_CString ("Y"), aVertex2, 16.0);
  82     }
  83   }
  84   if (aDatumAspect->DrawThirdAxis())
  85   {
  86     anAxisLength = aDatumAspect->ThirdAxisLength();
  87     const gp_Pnt aPoint3(anOrigin.XYZ() + aZDir.XYZ()*anAxisLength);
  88
  89     aGroup->SetPrimitivesAspect(aDatumAspect->ThirdAxisAspect()->Aspect());
  90     aPrims = new Graphic3d_ArrayOfSegments(2);
  91     aPrims->AddVertex(anOrigin);
  92     aPrims->AddVertex(aPoint3);
  93     aGroup->AddPrimitiveArray(aPrims);
  94
  95     aGroup->SetPrimitivesAspect(theDrawer->ArrowAspect()->Aspect());
  96     Prs3d_Arrow::Draw (Prs3d_Root::CurrentGroup (thePresentation), aPoint3, aZDir, anArrowAngle, anAxisLength/10.);
  97     aGroup->SetPrimitivesAspect(theDrawer->TextAspect()->Aspect());
  98     Graphic3d_Vertex aVertex3(aPoint3.X(),aPoint3.Y(),aPoint3.Z());
  99     if (toDrawLabels)
 100     {
 101       aGroup->Text (Standard_CString ("Z"), aVertex3, 16.0);
 102     }
 103   }
 104 }