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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
200 lines
5.6 KiB
C++
200 lines
5.6 KiB
C++
// Created on: 1996-05-28
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// Created by: Denis PASCAL
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <DrawDim_Angle.ixx>
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#include <DrawDim.hxx>
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#include <BRepAdaptor_Surface.hxx>
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#include <BRep_Tool.hxx>
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#include <ElCLib.hxx>
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#include <ElSLib.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Pln.hxx>
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#include <gp_Lin.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Ax1.hxx>
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#include <TopoDS.hxx>
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#include <IntAna_QuadQuadGeo.hxx>
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#include <Precision.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <IntAna_QuadQuadGeo.hxx>
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//=======================================================================
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//function : DrawDim_Angle
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//purpose :
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//=======================================================================
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DrawDim_Angle::DrawDim_Angle(const TopoDS_Face& plane1, 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 : Plane1
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//purpose :
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//=======================================================================
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const TopoDS_Face& DrawDim_Angle::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_Angle::Plane1(const TopoDS_Face& plane)
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{
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myPlane1 = plane;
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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_Angle::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_Angle::Plane2(const TopoDS_Face& plane)
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{
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myPlane2 = plane;
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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_Angle::DrawOn(Draw_Display& ) const
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{
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// input
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TopoDS_Shape myFShape = myPlane1;
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TopoDS_Shape mySShape = myPlane2;
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Standard_Real myVal = GetValue();
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gp_Ax1 myAxis;
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// output
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gp_Pnt myFAttach;
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gp_Pnt mySAttach;
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gp_Pnt myPosition(0.,0.,0.);
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gp_Pnt myCenter;
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gp_Dir myFDir;
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gp_Dir mySDir;
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Standard_Boolean myAutomaticPosition = Standard_True;
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// calculation of myAxis
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gp_Pln pln1, pln2;
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if (!DrawDim::Pln(myPlane1,pln1)) return;
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if (!DrawDim::Pln(myPlane2,pln2)) return;
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IntAna_QuadQuadGeo ip (pln1,pln2,Precision::Confusion(), Precision::Angular());
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if (!ip.IsDone()) return;
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gp_Pnt curpos;
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gp_Ax1 AxePos = myAxis;
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gp_Dir theAxisDir = AxePos.Direction();
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gp_Lin theaxis= gp_Lin (myAxis);
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if (myAutomaticPosition) {
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TopExp_Explorer explo1(myFShape,TopAbs_VERTEX);
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Standard_Real curdist = 0;
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while (explo1.More()) {
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TopoDS_Vertex vertref = TopoDS::Vertex(explo1.Current());
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gp_Pnt curpt = BRep_Tool::Pnt(vertref);
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if (theaxis.Distance(curpt) > curdist) {
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curdist = theaxis.Distance(curpt);
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myFAttach = BRep_Tool::Pnt(vertref);
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}
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explo1.Next();
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}
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curpos = myFAttach.Rotated(AxePos,myVal/2.);
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myCenter = ElCLib::Value(ElCLib::Parameter(theaxis,curpos),theaxis);
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Standard_Real thedista = myCenter.Distance(myFAttach);
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if (thedista > Precision::Confusion()) {
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curpos.Scale(myCenter,1.05);
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}
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myPosition = curpos;
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myAutomaticPosition = Standard_True;
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}
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else {
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curpos = myPosition;
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//myFAttach = the point of myFShape closest to curpos (except for the case when this is a point on the axis)
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Standard_Real dist = RealLast();
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TopExp_Explorer explo1(myFShape,TopAbs_VERTEX);
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gp_Pnt AxePosition = AxePos.Location();
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gp_Vec AxeVector (theAxisDir);
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gp_XYZ AxeXYZ = AxeVector.XYZ();
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while (explo1.More()) {
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gp_Pnt curpt = BRep_Tool::Pnt(TopoDS::Vertex(explo1.Current()));
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gp_Vec curvec (AxePosition, curpt);
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gp_XYZ curXYZ = curvec.XYZ();
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gp_XYZ Norm (curXYZ.Crossed(AxeXYZ));
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if (Norm.Modulus() > gp::Resolution()) {
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Standard_Real curdist = curpos.Distance (curpt);
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if (curdist < dist) {
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myFAttach = curpt;
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dist = curdist;
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}
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}
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explo1.Next();
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}
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myCenter = ElCLib::Value(ElCLib::Parameter(theaxis,myFAttach),theaxis);
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}
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mySAttach = myFAttach.Rotated(AxePos,myVal);
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gp_Vec FVec (myCenter, myFAttach);
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myFDir.SetXYZ (FVec.XYZ());
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gp_Vec SVec (myCenter, mySAttach);
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mySDir.SetXYZ (SVec.XYZ());
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if (!myAutomaticPosition) {
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//Projection of the position on the plane defined by myFDir mySDir and normal theAxisDir
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gp_Pln aPln (myCenter, theAxisDir);
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Standard_Real U,V;
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ElSLib::Parameters (aPln, curpos, U, V);
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curpos = ElSLib::Value (U, V, aPln);
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}
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// DISPLAY
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// Add (myVal, myText,myCenter,myFAttach,mySAttach,myFDir,mySDir,theAxisDir,curpos)
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}
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