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138 lines
3.3 KiB
C++
Executable File
138 lines
3.3 KiB
C++
Executable File
// File: DrawDim_Distance.cxx
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// Created: Mon Apr 21 14:38:30 1997
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// Author: Denis PASCAL
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#include <DrawDim_Distance.ixx>
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#include <DrawDim.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS.hxx>
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#include <BRepAdaptor_Surface.hxx>
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#include <gp_Pln.hxx>
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#include <gp_Ax1.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Vec.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <BRep_Tool.hxx>
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#include <Precision.hxx>
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#include <TCollection_AsciiString.hxx>
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//=======================================================================
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//function : DrawDim_Distance
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//purpose :
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//=======================================================================
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DrawDim_Distance::DrawDim_Distance (const TopoDS_Face& plane1,
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const TopoDS_Face& plane2)
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{
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myPlane1 = plane1;
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myPlane2 = plane2;
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}
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//=======================================================================
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//function : DrawDim_Distance
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//purpose :
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//=======================================================================
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DrawDim_Distance::DrawDim_Distance (const TopoDS_Face& plane1)
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{
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myPlane1 = plane1;
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}
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//=======================================================================
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//function : Plane1
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//purpose :
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//=======================================================================
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const TopoDS_Face& DrawDim_Distance::Plane1() const
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{
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return myPlane1;
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}
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//=======================================================================
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//function : Plane1
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//purpose :
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//=======================================================================
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void DrawDim_Distance::Plane1(const TopoDS_Face& face)
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{
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myPlane1 = face;
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}
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//=======================================================================
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//function : Plane2
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//purpose :
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//=======================================================================
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const TopoDS_Face& DrawDim_Distance::Plane2() const
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{
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return myPlane2;
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}
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//=======================================================================
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//function : Plane2
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//purpose :
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//=======================================================================
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void DrawDim_Distance::Plane2(const TopoDS_Face& face)
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{
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myPlane2 = face;
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}
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//=======================================================================
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//function : DrawOn
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//purpose :
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//=======================================================================
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void DrawDim_Distance::DrawOn(Draw_Display& dis) const
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{
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// compute the points and the direction
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BRepAdaptor_Surface surf1(myPlane1);
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// today we process only planar faces
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if (surf1.GetType() != GeomAbs_Plane)
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return;
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const gp_Ax1& anAx1 = surf1.Plane().Axis();
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gp_Vec V = anAx1.Direction();
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// output
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gp_Pnt FAttach; // first attach point
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gp_Pnt SAttach; // second attach point
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// first point, try a vertex
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TopExp_Explorer explo(myPlane1,TopAbs_VERTEX);
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if (explo.More()) {
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FAttach = BRep_Tool::Pnt(TopoDS::Vertex(explo.Current()));
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}
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else {
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// no vertex, use the origin
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FAttach = anAx1.Location();
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}
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if (!myPlane2.IsNull()) {
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// translate the point until the second face
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BRepAdaptor_Surface surf2(myPlane2);
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surf2.D0(0,0,SAttach);
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Standard_Real r = V.Dot(gp_Vec(FAttach,SAttach));
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V *= r;
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}
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SAttach = FAttach;
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SAttach.Translate(V);
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// DISPLAY
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dis.Draw (FAttach,SAttach);
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V *= 0.5;
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FAttach.Translate(V);
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dis.DrawMarker(FAttach, Draw_Losange);
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DrawText(FAttach,dis);
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}
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