// Created on: 1994-12-13
// Created by: Jacques GOUSSARD
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <Standard_Stream.hxx>
#include <Standard_Macro.hxx>

#include <BRepTest.hxx>

#include <DBRep.hxx>
#include <Draw_Appli.hxx>
#include <Draw_Interpretor.hxx>
#include <Draw_Box.hxx>

#include <BRepBuilderAPI.hxx>
#include <BRepBuilderAPI_FindPlane.hxx>
#include <BRepBuilderAPI_Copy.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepBuilderAPI_GTransform.hxx>
#include <BRepBuilderAPI_NurbsConvert.hxx>
#include <gp_Ax2.hxx>
#include <gp_Mat.hxx>
#include <gp_GTrsf.hxx>
#include <BRepOffsetAPI_NormalProjection.hxx>
#include <BRepLib.hxx>
#include <BRep_Builder.hxx>
#include <BRepBndLib.hxx>
#include <Bnd_Box.hxx>
#include <Bnd_Box2d.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <BRepTools_WireExplorer.hxx>

#include <GCPnts_QuasiUniformAbscissa.hxx>
#include <Geom2dAdaptor_Curve.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <ProjLib_ComputeApproxOnPolarSurface.hxx>
#include <DrawTrSurf.hxx>
#include <Geom_Plane.hxx>

#include <OSD_Timer.hxx>
#include <Draw_Segment3D.hxx>
#include <Draw_Marker3D.hxx>
#include <Draw_MarkerShape.hxx>
#include <BRepPrimAPI_MakeBox.hxx>

#include <Standard_Dump.hxx>

#include <stdio.h>

Standard_IMPORT Draw_Viewer dout;

//=======================================================================
//function : ConvertBndToShape
//purpose  : Creates TopoDS_Solid from theBox
//=======================================================================
static void ConvertBndToShape(const Bnd_OBB& theBox,
                              const char* const theName)
{
  if (theBox.IsVoid())
  {
    DBRep::Set (theName, TopoDS_Shape());
    return;
  }

  const gp_Pnt &aBaryCenter = theBox.Center();
  const gp_XYZ &aXDir = theBox.XDirection(),
               &aYDir = theBox.YDirection(),
               &aZDir = theBox.ZDirection();
  Standard_Real aHalfX = theBox.XHSize(),
                aHalfY = theBox.YHSize(),
                aHalfZ = theBox.ZHSize();

  gp_Ax2 anAxes(aBaryCenter, aZDir, aXDir);
  anAxes.SetLocation(aBaryCenter.XYZ() - aHalfX*aXDir - aHalfY*aYDir - aHalfZ*aZDir);
  TopoDS_Solid aBox = BRepPrimAPI_MakeBox(anAxes, 2.0*aHalfX, 2.0*aHalfY, 2.0*aHalfZ);
  DBRep::Set(theName, aBox);
}

//=======================================================================
// addpcurve
//=======================================================================

static Standard_Integer addpcurve(Draw_Interpretor& , Standard_Integer n, const char** a)
{
  if(n < 4) return 1;
  TopoDS_Shape E = DBRep::Get(a[1]);
  if (E.IsNull()) return 1;
  Handle(Geom2d_Curve) PC = DrawTrSurf::GetCurve2d(a[2]);
  TopoDS_Shape F = DBRep::Get(a[3]);
  Standard_Real tol = 1.e-7;
  if (n > 4) {
    tol = Draw::Atof(a[4]);
  }
  BRep_Builder BB;
  BB.UpdateEdge(TopoDS::Edge(E), PC, TopoDS::Face(F),tol); 
  DBRep::Set(a[1], E);
  return 0;
}


//=======================================================================
// transform
//=======================================================================

static Standard_Integer transform(Draw_Interpretor& ,Standard_Integer n,const char** a)
{
  if (n <= 1) return 1;

  gp_Trsf T;
  Standard_Integer last = n;
  const char* aName = a[0];

  Standard_Boolean isBasic = Standard_False;
  Standard_Boolean isCopy = Standard_False;

  // Check "copy" flag.
  if (!strcmp(a[n-1], "-copy")) {
    isCopy = Standard_True;
    last = --n;
  }

  if (!strcmp(aName,"reset")) {
  }
  else {
    isBasic = (aName[0] == 'b');
    aName++;

    if (!strcmp(aName,"move")) {
      if (n < 3) return 1;
      TopoDS_Shape SL = DBRep::Get(a[n-1]);
      if (SL.IsNull()) return 0;
      T = SL.Location().Transformation();
      last = n-1;
    }
    else if (!strcmp(aName,"translate")) {
      if (n < 5) return 1;
      T.SetTranslation(gp_Vec(Draw::Atof(a[n-3]),Draw::Atof(a[n-2]),Draw::Atof(a[n-1])));
      last = n-3;
    }
    else if (!strcmp(aName,"rotate")) {
      if (n < 9) return 1;
      T.SetRotation(gp_Ax1(gp_Pnt(Draw::Atof(a[n-7]),Draw::Atof(a[n-6]),Draw::Atof(a[n-5])),
                    gp_Vec(Draw::Atof(a[n-4]),Draw::Atof(a[n-3]),Draw::Atof(a[n-2]))),
                    Draw::Atof(a[n-1])* (M_PI / 180.0));
      last = n-7;
    }
    else if (!strcmp(aName,"mirror")) {
      if (n < 8) return 1;
      T.SetMirror(gp_Ax2(gp_Pnt(Draw::Atof(a[n-6]),Draw::Atof(a[n-5]),Draw::Atof(a[n-4])),
                  gp_Vec(Draw::Atof(a[n-3]),Draw::Atof(a[n-2]),Draw::Atof(a[n-1]))));
      last = n-6;
    }
    else if (!strcmp(aName,"scale")) {
      if (n < 6) return 1;
      T.SetScale(gp_Pnt(Draw::Atof(a[n-4]),Draw::Atof(a[n-3]),Draw::Atof(a[n-2])),Draw::Atof(a[n-1]));
      last = n-4;
    }
  }

  if (T.Form() == gp_Identity || isBasic) {
    TopLoc_Location L(T);
    for (Standard_Integer i = 1; i < last; i++) {
      TopoDS_Shape S = DBRep::Get(a[i]);
      if (S.IsNull())
      {
        std::cerr << "Error: " << a[i] << " is not a valid shape\n";
        return 1;
      }
      else
        DBRep::Set(a[i],S.Located(L));
    }
  }
  else {
    BRepBuilderAPI_Transform trf(T);
    for (Standard_Integer i = 1; i < last; i++) {
      TopoDS_Shape S = DBRep::Get(a[i]);
      if (S.IsNull()) {
        std::cerr << "Error: " << a[i] << " is not a valid shape\n";
        return 1;
      }
      else {
        trf.Perform(S, isCopy);
        if (!trf.IsDone())
          return 1;
        DBRep::Set(a[i],trf.Shape());
      }
    }
  }
  return 0;
}

///=======================================================================
// gtransform
//=======================================================================

static Standard_Integer deform(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  if (n <= 1) return 1;
  
  Standard_Integer last = n;
  
  gp_Trsf T;
  gp_GTrsf GT(T);
  
//  gp_Mat rot(Draw::Atof(a[last-3]),0,0,0,Draw::Atof(a[last-2]),0,0,0,Draw::Atof(a[last-1]));
  gp_Mat rot(Draw::Atof(a[3]),0,0,0,Draw::Atof(a[4]),0,0,0,Draw::Atof(a[5]));
  GT.SetVectorialPart(rot);
  last -= 3;
  BRepBuilderAPI_GTransform gtrf(GT);
  BRepBuilderAPI_NurbsConvert nbscv;
  //  for (Standard_Integer i = 1; i < last; i++) {
  //    TopoDS_Shape S = DBRep::Get(a[i]);
  TopoDS_Shape S = DBRep::Get(a[2]);    
  if (S.IsNull()) {
    //std::cout << a[2] << " is not a valid shape" << std::endl;
    di << a[2] << " is not a valid shape\n";
  }
  else {
    gtrf.Perform(S);
    if (gtrf.IsDone()){
      DBRep::Set(a[1],gtrf.Shape());
    }
    else {
      return 1;
    }
  }
  
  return 0;
}

//=======================================================================
// tcopy
//=======================================================================

static Standard_Integer tcopy(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  Standard_Boolean copyGeom = Standard_True;
  Standard_Boolean copyMesh = Standard_False;
  Standard_Integer iFirst = 1; // index of first shape argument

  if (n > 1)
  {
    for (Standard_Integer i = 1; i <= 2; i++)
    {
      if (a[i][0] != '-')
        break;
      if (a[i][1] == 'n')
      {
        copyGeom = Standard_False;
        iFirst++;
      }
      else if (a[i][1] == 'm')
      {
        copyMesh = Standard_True;
        iFirst++;
      }
    }
  }

  if (n < 3 || (n - iFirst) % 2) {
    std::cout << "Use: " << a[0] << " [-n(ogeom)] [-m(esh)] shape1 copy1 [shape2 copy2 [...]]" << std::endl;
    std::cout << "Option -n forbids copying of geometry (it will be shared)" << std::endl;
    std::cout << "Option -m forces copying of mesh (disabled by default)" << std::endl;
    return 1;
  }

  BRepBuilderAPI_Copy cop;
  Standard_Integer nbPairs = (n - iFirst) / 2;
  for (Standard_Integer i=0; i < nbPairs; i++) {
    cop.Perform(DBRep::Get(a[i+iFirst]), copyGeom, copyMesh);
    DBRep::Set(a[i+iFirst+1],cop.Shape());
    di << a[i+iFirst+1] << " ";
  }
  return 0;
}


//=======================================================================
// NurbsConvert
//=======================================================================

static Standard_Integer nurbsconvert(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  if (n < 3) return 1;
  if ((n-1)%2 != 0) return 1;
  BRepBuilderAPI_NurbsConvert nbscv;
  for (Standard_Integer i=0; i<(n-1)/2; i++) {
    TopoDS_Shape S = DBRep::Get(a[2*i+2]);
    if (S.IsNull()) {
      //std::cout << a[2*i+2] << " is not a valid shape" << std::endl;
      di << a[2*i+2] << " is not a valid shape\n";
    }
    else {
      nbscv.Perform(S);
      if (nbscv.IsDone()){
	DBRep::Set(a[2*i+1],nbscv.Shape());
      }
      else {
	return 1;
      }
    }
  }
  
  return 0;
  
}

//=======================================================================
// make a 3D edge curve
//=======================================================================

static Standard_Integer mkedgecurve (Draw_Interpretor& ,Standard_Integer n,const char** a)
{

  if (n < 3) return 1;
  Standard_Real Tolerance = Draw::Atof(a[2]) ;

  TopoDS_Shape S = DBRep::Get(a[1]);
  
  if (S.IsNull()) return 1;
  
   BRepLib::BuildCurves3d(S,
			  Tolerance) ;
   return 0 ;
}

//=======================================================================
// sameparameter
//=======================================================================

static Standard_Integer sameparameter(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  if (n < 2) 
  {
    di << "Use sameparameter [result] shape [toler]\n";
    di << "shape is an initial shape\n";
    di << "result is a result shape. if skipped = > initial shape will be modified\n";
    di << "toler is tolerance (default is 1.e-7)";
    return 1;
  }
  Standard_Real aTol = 1.e-7;
  Standard_Boolean force  = !strcmp(a[0],"fsameparameter");

  Standard_Real aTol1 = Draw::Atof(a[n-1]);
  Standard_Boolean IsUseTol = aTol1>0;
  if (IsUseTol)
    aTol = aTol1;

  TopoDS_Shape anInpS = DBRep::Get(IsUseTol ? a[n-2] : a[n-1]);
  if (anInpS.IsNull())
    return 1;

  if ((n == 4 && IsUseTol) || (n == 3 && !IsUseTol))
  {
    TopoDS_Shape aResultSh;
    BRepTools_ReShape aResh;
    BRepLib::SameParameter(anInpS,aResh,aTol,force);
    aResultSh = aResh.Apply(anInpS);
    DBRep::Set(a[1],aResultSh); 
  }
  else
  {
    BRepLib::SameParameter(anInpS,aTol,force);
    DBRep::Set(a[1],anInpS); 
  }

  return 0;
}
//=======================================================================
//function : updatetol
//purpose  : 
//=======================================================================
static Standard_Integer updatetol(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  if (n < 2) 
  {
    di << "Use updatetololerance [result] shape [param]\n";
    di << "shape is an initial shape\n";
    di << "result is a result shape. if skipped = > initial shape will be modified\n";
    di << "if [param] is absent - not verify of face tolerance, else - perform it";
    return 1;
  }
  TopoDS_Shape aSh1 = DBRep::Get(a[n-1]);
  Standard_Boolean IsF = aSh1.IsNull();

  TopoDS_Shape anInpS = IsF ? DBRep::Get(a[n-2]) : aSh1;
  if (anInpS.IsNull())
    return 1;

  if ((n == 4 && IsF) || (n == 3 && !IsF))
  {
    TopoDS_Shape aResultSh;
    BRepTools_ReShape aResh;
    BRepLib::UpdateTolerances(anInpS,aResh, IsF);
    aResultSh = aResh.Apply(anInpS);
    DBRep::Set(a[1],aResultSh); 
  }
  else
  {
    BRepLib::UpdateTolerances(anInpS, IsF);
    DBRep::Set(a[1],anInpS); 
  }

  return 0;
}

//=======================================================================
//function : OrienSolid
//purpose  : 
//=======================================================================
static Standard_Integer orientsolid(Draw_Interpretor& ,Standard_Integer n,const char** a)
{
  if (n < 2) return 1;

  TopoDS_Shape S = DBRep::Get(a[1]);
  if (S.IsNull()) return 1;
  if (S.ShapeType()!=TopAbs_SOLID) return 1;

  BRepLib::OrientClosedSolid(TopoDS::Solid(S));

  DBRep::Set(a[1],S);
  return 0;

}

//=======================================================================
//function : getcoords
//purpose  : 
//=======================================================================
static Standard_Integer getcoords(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  if(n < 2) 
    return 1;

  for (Standard_Integer i = 1; i < n; i++) 
  {
    const TopoDS_Shape aShape = DBRep::Get (a[i]);

    if (aShape.IsNull())
      continue;

    if (aShape.ShapeType() == TopAbs_VERTEX)
    {
      const TopoDS_Vertex& aVertex = TopoDS::Vertex(aShape);
      gp_Pnt aPnt = BRep_Tool::Pnt(aVertex);

      di << a[i] << " (x,y,z) : " << aPnt.X() << " " << aPnt.Y() << " " << aPnt.Z() << "\n";
    }
  }

  return 0;
}

//! Parse 6 real values for defining AABB.
static Standard_Boolean parseMinMax (const char** theArgVec, Bnd_Box& theBox)
{
  const TCollection_AsciiString aMin[3] = { theArgVec[0], theArgVec[1], theArgVec[2] };
  const TCollection_AsciiString aMax[3] = { theArgVec[3], theArgVec[4], theArgVec[5] };
  if (!aMin[0].IsRealValue()
   || !aMin[1].IsRealValue()
   || !aMin[2].IsRealValue()
   || !aMax[0].IsRealValue()
   || !aMax[1].IsRealValue()
   || !aMax[2].IsRealValue())
  {
    return Standard_False;
  }

  const gp_Pnt aPntMin (aMin[0].RealValue(), aMin[1].RealValue(), aMin[2].RealValue());
  const gp_Pnt aPntMax (aMax[0].RealValue(), aMax[1].RealValue(), aMax[2].RealValue());
  theBox.SetVoid();
  theBox.Add (aPntMin);
  theBox.Add (aPntMax);
  return Standard_True;
}

//=======================================================================
//function : BoundBox
//purpose  : 
//=======================================================================
static Standard_Integer BoundBox(Draw_Interpretor& theDI,
                                 Standard_Integer theNArg,
                                 const char** theArgVal)
{
  // 1. Parse arguments

  TopoDS_Shape aShape;
  Bnd_Box anAABB;

  Standard_Boolean doPrint = Standard_False;
  Standard_Boolean doDumpJson = Standard_False;
  Standard_Boolean useOldSyntax = Standard_False;
  Standard_Boolean isOBB = Standard_False;
  Standard_Boolean isTriangulationReq = Standard_True;
  Standard_Boolean isOptimal = Standard_False;
  Standard_Boolean isTolerUsed = Standard_False;
  Standard_Boolean isFinitePart = Standard_False;
  Standard_Boolean hasToDraw = Standard_True;
  
  TCollection_AsciiString anOutVars[6];
  TCollection_AsciiString aResShapeName;
  for (Standard_Integer anArgIter = 1; anArgIter < theNArg; ++anArgIter)
  {
    TCollection_AsciiString anArgCase (theArgVal[anArgIter]);
    anArgCase.LowerCase();
    if (anArgCase == "-obb")
    {
      isOBB = Standard_True;
    }
    else if (anArgCase == "-aabb")
    {
      isOBB = Standard_False;
    }
    else if (anArgCase == "-shape"
          && anArgIter + 1 < theNArg
          && aResShapeName.IsEmpty())
    {
      aResShapeName = theArgVal[++anArgIter];
      hasToDraw = Standard_False;
    }
    else if (anArgCase == "-dump"
          || anArgCase == "-print")
    {
      doPrint = Standard_True;
    }
    else if (anArgCase == "-dumpjson")
    {
      doDumpJson = Standard_True;
    }
    else if (anArgCase == "-save"
          && anArgIter + 6 < theNArg
          && anOutVars[0].IsEmpty())
    {
      for (int aCompIter = 0; aCompIter < 6; ++aCompIter)
      {
        anOutVars[aCompIter] = theArgVal[anArgIter + aCompIter + 1];
      }
      anArgIter += 6;
    }
    else if (anArgCase == "-notriangulation")
    {
      isTriangulationReq = Standard_False;
    }
    else if (anArgCase == "-optimal")
    {
      isOptimal = Standard_True;
    }
    else if (anArgCase == "-exttoler")
    {
      isTolerUsed = Standard_True;
    }
    else if (anArgCase == "-nodraw")
    {
      hasToDraw = Standard_False;
    }
    else if (anArgCase == "-finite"
          || anArgCase == "-finitepart")
    {
      isFinitePart = Standard_True;
    }
    else if (aShape.IsNull()
         && !DBRep::Get (theArgVal[anArgIter]).IsNull())
    {
      aShape = DBRep::Get (theArgVal[anArgIter]);
    }
    else if (anAABB.IsVoid()
          && anArgIter + 5 < theNArg
          && parseMinMax (theArgVal + anArgIter, anAABB))
    {
      anArgIter += 5;
    }
    else
    {
      std::cout << "Syntax error at argument '" << theArgVal[anArgIter] << "'.\n";
      return 1;
    }
  }

  if (anAABB.IsVoid()
   && aShape.IsNull())
  {
    std::cout << "Syntax error: input is not specified (neither shape nor coordinates)\n";
    return 1;
  }
  else if (!anAABB.IsVoid()
        && (isOBB || isOptimal || isTolerUsed))
  {
    std::cout << "Syntax error: Options -obb, -optimal and -extToler cannot be used for explicitly defined AABB.\n";
    return 1;
  }
  else if (isOBB
       && !anOutVars[0].IsEmpty())
  {
    std::cout << "Error: Option -save works only with axes-aligned boxes.\n";
    return 1;
  }

  // enable printing (old syntax) if neither saving to shape nor to DRAW variables is requested
  if (! doPrint && ! doDumpJson && anOutVars[0].IsEmpty() && aResShapeName.IsEmpty())
  {
    doPrint = Standard_True;
    useOldSyntax = Standard_True;
  }

  // 2. Compute box and save results
  Handle(Draw_Box) aDB;
  if (isOBB)
  {
    Bnd_OBB anOBB;
    BRepBndLib::AddOBB(aShape, anOBB, isTriangulationReq, isOptimal, isTolerUsed);

    if (anOBB.IsVoid())
    {
      theDI << "Void box.\n";
    }
    else if (doPrint)
    {
      const gp_Pnt &aBaryCenter= anOBB.Center();
      const gp_XYZ &aXDir = anOBB.XDirection(),
                   &aYDir = anOBB.YDirection(),
                   &aZDir = anOBB.ZDirection();
      theDI << "Oriented bounding box\n";
      theDI << "Center: " << aBaryCenter.X() << " " << 
                             aBaryCenter.Y() << " " <<
                             aBaryCenter.Z() << "\n";
      theDI << "X-axis: " << aXDir.X() << " " << aXDir.Y() << " " << aXDir.Z() << "\n";
      theDI << "Y-axis: " << aYDir.X() << " " << aYDir.Y() << " " << aYDir.Z() << "\n";
      theDI << "Z-axis: " << aZDir.X() << " " << aZDir.Y() << " " << aZDir.Z() << "\n";
      theDI << "Half X: " << anOBB.XHSize() << "\n"
            << "Half Y: " << anOBB.YHSize() << "\n"
            << "Half Z: " << anOBB.ZHSize() << "\n";
    }

    if (doDumpJson)
    {
      Standard_SStream aStream;
      anOBB.DumpJson (aStream);

      theDI << "Oriented bounding box\n";
      theDI << Standard_Dump::FormatJson (aStream);
    }

    if (hasToDraw
    && !anOBB.IsVoid())
    {
      aDB = new Draw_Box (anOBB, Draw_orange);
    }

    if (!aResShapeName.IsEmpty())
    {
      ConvertBndToShape (anOBB, aResShapeName.ToCString());
    }
  }
  else // if(!isOBB)
  {
    if (!aShape.IsNull())
    {
      anAABB.SetVoid ();
      if(isOptimal)
      {
        BRepBndLib::AddOptimal (aShape, anAABB, isTriangulationReq, isTolerUsed);
      }
      else
      {
        BRepBndLib::Add (aShape, anAABB, isTriangulationReq);
      }
    }

    if (anAABB.IsVoid())
    {
      theDI << "Void box.\n";
    }
    else
    {
      if (isFinitePart && anAABB.IsOpen())
      {
        anAABB = anAABB.FinitePart();
      }
      const gp_Pnt aMin = anAABB.CornerMin();
      const gp_Pnt aMax = anAABB.CornerMax();

      // print to DRAW
      if (doPrint)
      {
        if (useOldSyntax)
        {
          theDI << aMin.X() << " " << aMin.Y() << " " << aMin.Z() << " "
                << aMax.X() << " " << aMax.Y() << " " << aMax.Z() << "\n";
        }
        else
        {
          theDI << "Axes-aligned bounding box\n";
          theDI << "X-range: " << aMin.X() << " " << aMax.X() << "\n"
                << "Y-range: " << aMin.Y() << " " << aMax.Y() << "\n"
                << "Z-range: " << aMin.Z() << " " << aMax.Z() << "\n";
          if (anAABB.IsOpen()
           && anAABB.HasFinitePart())
          {
            Bnd_Box aFinitAabb = anAABB.FinitePart();
            const gp_Pnt aFinMin = aFinitAabb.CornerMin();
            const gp_Pnt aFinMax = aFinitAabb.CornerMax();
            theDI << "Finite part\n";
            theDI << "X-range: " << aFinMin.X() << " " << aFinMax.X() << "\n"
                  << "Y-range: " << aFinMin.Y() << " " << aFinMax.Y() << "\n"
                  << "Z-range: " << aFinMin.Z() << " " << aFinMax.Z() << "\n";
          }
        }
      }

      if (doDumpJson)
      {
        Standard_SStream aStream;
        anAABB.DumpJson (aStream);

        theDI << "Bounding box\n";
        theDI << Standard_Dump::FormatJson (aStream);
      }

      // save DRAW variables
      if (!anOutVars[0].IsEmpty())
      {
        Draw::Set (anOutVars[0].ToCString(), aMin.X());
        Draw::Set (anOutVars[1].ToCString(), aMin.Y());
        Draw::Set (anOutVars[2].ToCString(), aMin.Z());
        Draw::Set (anOutVars[3].ToCString(), aMax.X());
        Draw::Set (anOutVars[4].ToCString(), aMax.Y());
        Draw::Set (anOutVars[5].ToCString(), aMax.Z());
      }

      // add presentation to DRAW viewer
      if (hasToDraw)
      {
        aDB = new Draw_Box (anAABB, Draw_orange);
      }
    }

    // save as shape
    if (!aResShapeName.IsEmpty())
    {
      ConvertBndToShape (anAABB, aResShapeName.ToCString());
    }
  }

  if (!aDB.IsNull())
  {
    dout << aDB;
  }
  return 0;
}

//=======================================================================
//function : IsBoxesInterfered
//purpose  : 
//=======================================================================
static Standard_Integer IsBoxesInterfered(Draw_Interpretor& theDI,
                                          Standard_Integer theNArg,
                                          const char** theArgVal)
{
  if(theNArg < 2)
  {
    theDI << "Use: isbbinterf shape1 shape2 [-o].\n";
    return 1;
  }

  const TopoDS_Shape aShape1 = DBRep::Get(theArgVal[1]);
  const TopoDS_Shape aShape2 = DBRep::Get(theArgVal[2]);

  Standard_Boolean isOBB = (theNArg > 3) && (!strcmp(theArgVal[3], "-o"));

  if(isOBB)
  {
    Bnd_OBB anOBB1, anOBB2;
    BRepBndLib::AddOBB(aShape1, anOBB1);
    BRepBndLib::AddOBB(aShape2, anOBB2);

    if(anOBB1.IsOut(anOBB2))
    {
      theDI << "The shapes are NOT interfered by OBB.\n";
    }
    else
    {
      theDI << "The shapes are interfered by OBB.\n";
    }
  }
  else
  {
    Bnd_Box anAABB1, anAABB2;
    BRepBndLib::Add(aShape1, anAABB1);
    BRepBndLib::Add(aShape2, anAABB2);

    if(anAABB1.IsOut(anAABB2))
    {
      theDI << "The shapes are NOT interfered by AABB.\n";
    }
    else
    {
      theDI << "The shapes are interfered by AABB.\n";
    }
  }

  return 0;
}

//=======================================================================
//function : gbounding
//purpose  : 
//=======================================================================
#include <GeomAdaptor_Surface.hxx>
#include <BndLib_AddSurface.hxx>
#include <BndLib_Add3dCurve.hxx>
#include <BndLib_Add2dCurve.hxx>
#include <Draw_Segment2D.hxx>
static Standard_Integer gbounding(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  if (n != 2 && n != 3) 
  {
    di << "Usage: gbounding surf/curve/curve2d [-o] \n";
    di << "[-o] turn on Optimal mode ('off' by default) \n";
    return 1;
  }
  else
  {
    Standard_Boolean IsOptimal = Standard_False;
    if (n == 3 && !strcmp(a[2], "-o"))
      IsOptimal = Standard_True;
    
    Standard_Real axmin,aymin,azmin,axmax,aymax,azmax;
    Bnd_Box B;
    Bnd_Box2d B2d;
    Handle(Draw_Box) DB;
    Standard_Boolean Is3d = Standard_True;
    Handle(Geom_Curve) C;
    Handle(Geom_Surface) S;
    Handle_Geom2d_Curve C2d;
    S = DrawTrSurf::GetSurface(a[1]);
    if (!S.IsNull())
    {
      //add surf
      GeomAdaptor_Surface aGAS(S);
      if (IsOptimal)
        BndLib_AddSurface::AddOptimal(aGAS, Precision::Confusion(), B);
      else
        BndLib_AddSurface::Add(aGAS, Precision::Confusion(), B);
    }
    else
    {
      C = DrawTrSurf::GetCurve(a[1]);
      if (!C.IsNull())
      {
        // add cur
        GeomAdaptor_Curve aGAC(C);
        if (IsOptimal)
          BndLib_Add3dCurve::AddOptimal(aGAC, Precision::Confusion(), B);
        else
          BndLib_Add3dCurve::Add(aGAC, Precision::Confusion(), B);
      }
      else
      {
        C2d = DrawTrSurf::GetCurve2d(a[1]);
        if (!C2d.IsNull())
        {
          //add cur2d
          Is3d = Standard_False;
          if (IsOptimal)
            BndLib_Add2dCurve::AddOptimal(C2d, C2d->FirstParameter(), C2d->LastParameter(), Precision::Confusion(), B2d); 
          else
            BndLib_Add2dCurve::Add(C2d, C2d->FirstParameter(), C2d->LastParameter(), Precision::Confusion(), B2d); 
        }
        else
        {
          di << "Wrong argument \n";
          return 1;
        }
      }
    }

    if (Is3d)
    {
      B.Get(axmin,aymin,azmin,axmax,aymax,azmax);
      DB = new Draw_Box(B, Draw_vert);
      dout<<DB;
      di << axmin<<" "<< aymin<<" "<< azmin<<" "<< axmax<<" "<< aymax<<" "<< azmax;
    }
    else
    {
      B2d.Get(axmin,aymin,axmax,aymax);
      gp_Pnt2d p1(axmin, aymin);
      gp_Pnt2d p2(axmax, aymin);
      gp_Pnt2d p3(axmax, aymax);
      gp_Pnt2d p4(axmin, aymax);
      Draw_Segment2D* S1 = new Draw_Segment2D(p1, p2, Draw_vert);
      Draw_Segment2D* S2 = new Draw_Segment2D(p2, p3, Draw_vert);
      Draw_Segment2D* S3 = new Draw_Segment2D(p3, p4, Draw_vert);
      Draw_Segment2D* S4 = new Draw_Segment2D(p4, p1, Draw_vert);
      dout << S1 << S2 << S3 << S4;
      di << axmin<<" "<< aymin<<" "<< axmax<<" "<< aymax;
    }
  }
  return 0;
}

//=======================================================================
//function : findplane
//purpose  : 
//=======================================================================
static Standard_Integer findplane(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  if (n < 3) return 1;
  TopoDS_Shape S = DBRep::Get(a[1]);
  if (S.IsNull()) return 1;
  Standard_Real tolerance = 1.0e-5 ;
  BRepBuilderAPI_FindPlane a_plane_finder(S,
				   tolerance) ;
  if (a_plane_finder.Found()) {
    //std::cout << " a plane is found "   ;
    di << " a plane is found \n";
    const Handle(Geom_Geometry)& aSurf = a_plane_finder.Plane(); // to avoid ambiguity
    DrawTrSurf::Set(a[2],aSurf) ;
  }
  return 0 ;
}
//=======================================================================
//function : precision
//purpose  : 
//=======================================================================

static Standard_Integer precision(Draw_Interpretor& di,Standard_Integer n,const char** a)
{
  n--;

  if ( n == 0) {
    //std::cout << " Current Precision = " << BRepBuilderAPI::Precision() << std::endl;
    di << " Current Precision = " << BRepBuilderAPI::Precision() << "\n";
  }
  else {
    BRepBuilderAPI::Precision(Draw::Atof(a[1]));
  }
  return 0;
}


//=======================================================================
//function : reperage shape (Int lin Shape) + pointe double click   + maxtol
//purpose  : 
//=======================================================================
#include <IntCurvesFace_ShapeIntersector.hxx>
#include <gp_Lin.hxx>

static Standard_Integer reperageshape(Draw_Interpretor& di, Standard_Integer narg , const char** a) 
{
  Standard_Integer details=0;
  if(narg<2) return 1;
  if(narg==3) details=1;
  const char *id1 = a[1];
  TopoDS_Shape TheShape1 = DBRep::Get(id1);
  
  //std::cout << "Pick positions with button "<<std::endl;
  di << "Pick positions with button \n";
  Standard_Integer id,X,Y,b;
  gp_Trsf T;
  gp_Pnt P1,P2;
  dout.Select(id,X,Y,b);
  
  dout.GetTrsf(id,T);
  T.Invert();
  Standard_Real z = dout.Zoom(id);
  P2.SetCoord((Standard_Real)X /z,(Standard_Real)Y /z, 0.0);
  P2.Transform(T);
  P1.SetCoord((Standard_Real)X /z,(Standard_Real)Y /z,-1.0);
  P1.Transform(T);
  
  
  gp_Ax1 Axe(P1,gp_Vec(P1,P2));
  IntCurvesFace_ShapeIntersector Inter;
  Inter.Load(TheShape1,1e-7);
  
  Inter.Perform(Axe,-RealLast(),RealLast());
  
  //std::cout<<"\n --> ";
  di <<"\n --> ";
  if(Inter.NbPnt()) { 
    for(Standard_Integer i=1; i<=Inter.NbPnt(); i++) { 
      Standard_Integer numface=1;
      TopExp_Explorer ExF;
      for(ExF.Init(TheShape1,TopAbs_FACE);
	  ExF.More();
	  ExF.Next(),numface++) { 
	TopoDS_Face Face=TopoDS::Face(ExF.Current());
	if(Face.IsEqual(Inter.Face(i))) { 
	  //std::cout<<" "<<a[1]<<"_"<<numface;
	  di<<" "<<a[1]<<"_"<<numface;
	  continue;	  
	}
      }
      const gp_Pnt& P = Inter.Pnt(i);
      Standard_Real PMin = Inter.WParameter(i);
      if(details) { 
	//std::cout<<" w:"<<PMin<<std::endl;
	di<<" w:"<<PMin<< "\n";
      }
      if(Inter.Transition(i) == IntCurveSurface_In) { 
	if(Inter.State(i) == TopAbs_IN) { 
	  Handle(Draw_Marker3D) p = new Draw_Marker3D(P, Draw_Square, Draw_rouge,2); 
	  dout << p;   dout.Flush();
	}
	else if(Inter.State(i) == TopAbs_ON) { 
	  Handle(Draw_Marker3D) p = new Draw_Marker3D(P, Draw_Square, Draw_vert,2); 
	  dout << p;   dout.Flush();
	}
      }
      else { 
	if(Inter.Transition(i) == IntCurveSurface_Out) { 
	  if(Inter.State(i) == TopAbs_IN) { 
	    Handle(Draw_Marker3D) p = new Draw_Marker3D(P, Draw_X, Draw_rouge,2); 
	    dout << p;   dout.Flush();
	  }
	  else if(Inter.State(i) == TopAbs_ON) { 
	    Handle(Draw_Marker3D) p = new Draw_Marker3D(P, Draw_X, Draw_vert,2); 
	    dout << p;   dout.Flush();
	  }
	} 
      }
    }
  }
  //std::cout<<std::endl;
  di << "\n";
  return(0);
}


static Standard_Integer maxtolerance(Draw_Interpretor& theCommands, 
				     Standard_Integer n, const char** a) { 
  if(n<2) return(1);
  TopoDS_Shape TheShape = DBRep::Get(a[1]);
  if(TheShape.IsNull()) return(1);

  Standard_Real T,TMF,TME,TMV,TmF,TmE,TmV;
  Standard_Integer nbF,nbE,nbV;
  TMF=TME=TMV=-RealLast();
  TmF=TmE=TmV=RealLast();
  
  TopTools_MapOfShape mapS;
  mapS.Clear();

  for(TopExp_Explorer ex(TheShape,TopAbs_FACE);
      ex.More();
      ex.Next()) { 
    TopoDS_Face Face=TopoDS::Face(ex.Current());
    T=BRep_Tool::Tolerance(Face);
    if(T>TMF) TMF=T;
    if(T<TmF) TmF=T;
    mapS.Add(Face);
  }
  
  nbF = mapS.Extent();
  mapS.Clear();
  
  for(TopExp_Explorer ex(TheShape,TopAbs_EDGE);
      ex.More();
      ex.Next()) { 
    TopoDS_Edge Edge=TopoDS::Edge(ex.Current());
    T=BRep_Tool::Tolerance(Edge);
    if(T>TME) TME=T;
    if(T<TmE) TmE=T;
    mapS.Add(Edge);
  }

  nbE = mapS.Extent();
  mapS.Clear();

  for(TopExp_Explorer ex(TheShape,TopAbs_VERTEX);
      ex.More();
      ex.Next()) { 
    TopoDS_Vertex Vertex=TopoDS::Vertex(ex.Current());
    T=BRep_Tool::Tolerance(Vertex);
    if(T>TMV) TMV=T;
    if(T<TmV) TmV=T;
    mapS.Add(Vertex);
  }

  nbV = mapS.Extent();

  Standard_SStream sss;
  sss << "\n## Tolerances on the shape " << a[1] << "  (nbFaces:" << nbF
      << "  nbEdges:" << nbE << " nbVtx:" << nbV << ")\n" ;
  sss.precision(5);
  sss.setf(std::ios::scientific);
  if(TmF<=TMF) sss << "\n    Face   : Min " << std::setw(8) << TmF <<"    Max  " << std::setw(8) << TMF << " \n ";
  if(TmE<=TME) sss << "\n    Edge   : Min " << std::setw(8) << TmE <<"    Max  " << std::setw(8) << TME << " \n ";
  if(TmV<=TMV) sss << "\n    Vertex : Min " << std::setw(8) << TmV <<"    Max  " << std::setw(8) << TMV << " \n ";
  theCommands << sss;

  return 0;
}


static Standard_Integer vecdc(Draw_Interpretor& di,Standard_Integer ,const char** ) {
  //std::cout << "Pick positions with button "<<std::endl;
  di << "Pick positions with button \n";

  Standard_Integer id,X,Y,b;
  gp_Trsf T;
  gp_Pnt P1,P2,PP1,PP2;
  
  //-----------------------------------------------------------
  dout.Select(id,X,Y,b);    dout.GetTrsf(id,T);
  T.Invert();
  Standard_Real z = dout.Zoom(id);
  P1.SetCoord((Standard_Real)X /z,(Standard_Real)Y /z,0.0);
  P1.Transform(T);
  
  dout.Select(id,X,Y,b);  dout.GetTrsf(id,T);
  T.Invert();  z = dout.Zoom(id);
  
  P2.SetCoord((Standard_Real)X /z,(Standard_Real)Y /z,0.0);
  P2.Transform(T);
  Standard_Real xa,ya,za;
  if(Abs(P1.X())>Abs(P2.X())) xa = P1.X(); else xa = P2.X();
  if(Abs(P1.Y())>Abs(P2.Y())) ya = P1.Y(); else ya = P2.Y();
  if(Abs(P1.Z())>Abs(P2.Z())) za = P1.Z(); else za = P2.Z();
  P1.SetCoord(xa,ya,za);
  Handle(Draw_Marker3D) D0 = new Draw_Marker3D(gp_Pnt(P1.X(),
						      P1.Y(),
						      P1.Z()),
					       Draw_Square,Draw_blanc,1);
  
  dout << D0;
  dout.Flush();
  //-----------------------------------------------------------
  dout.Select(id,X,Y,b);  
  dout.GetTrsf(id,T);
  T.Invert();
  z = dout.Zoom(id);
  PP1.SetCoord((Standard_Real)X /z,(Standard_Real)Y /z,0.0);
  PP1.Transform(T);
  dout.Select(id,X,Y,b);
  dout.GetTrsf(id,T);
  T.Invert();
  z = dout.Zoom(id);
  PP2.SetCoord((Standard_Real)X /z,(Standard_Real)Y /z,0.0);
  PP2.Transform(T);
  if(Abs(PP1.X())>Abs(PP2.X())) xa = PP1.X(); else xa = PP2.X();
  if(Abs(PP1.Y())>Abs(PP2.Y())) ya = PP1.Y(); else ya = PP2.Y();
  if(Abs(PP1.Z())>Abs(PP2.Z())) za = PP1.Z(); else za = PP2.Z();
  PP1.SetCoord(xa,ya,za);
  Handle(Draw_Segment3D) d = new Draw_Segment3D(P1,PP1,Draw_blanc);
  dout << d;
  dout.Flush();
  //std::cout<<"\nttran   "<<PP1.X()-P1.X()<<" "<<PP1.Y()-P1.Y()<<" "<<PP1.Z()-P1.Z()<<std::endl;
  di <<"\nttran   "<<PP1.X()-P1.X()<<" "<<PP1.Y()-P1.Y()<<" "<<PP1.Z()-P1.Z()<< "\n";

  static Standard_Integer nboxvecdp=0;
  //std::cout<<"\nbox  b"<<++nboxvecdp<<" "<<Min(P1.X(),PP1.X())<<" "<<Min(P1.Y(),PP1.Y())<<" "<<Min(PP1.Z(),P1.Z());
  //std::cout<<"  "<<Abs(PP1.X()-P1.X())<<" "<<Abs(PP1.Y()-P1.Y())<<" "<<Abs(PP1.Z()-P1.Z())<<std::endl;

  //std::cout<<"\nDistance :"<<sqrt( (PP1.X()-P1.X())*(PP1.X()-P1.X())
	//		     +(PP1.Y()-P1.Y())*(PP1.Y()-P1.Y())
	//		     +(PP1.Z()-P1.Z())*(PP1.Z()-P1.Z()))<<std::endl;

  di <<"\nbox  b"<<++nboxvecdp<<" "<<Min(P1.X(),PP1.X())<<" "<<Min(P1.Y(),PP1.Y())<<" "<<Min(PP1.Z(),P1.Z());
  di <<"  "<<Abs(PP1.X()-P1.X())<<" "<<Abs(PP1.Y()-P1.Y())<<" "<<Abs(PP1.Z()-P1.Z())<< "\n";

  di <<"\nDistance :"<<sqrt( (PP1.X()-P1.X())*(PP1.X()-P1.X())
			     +(PP1.Y()-P1.Y())*(PP1.Y()-P1.Y())
			     +(PP1.Z()-P1.Z())*(PP1.Z()-P1.Z()))<< "\n";
  return(0);
}
//=======================================================================
// nproject
//=======================================================================

#include <TopTools_SequenceOfShape.hxx>
 static Standard_Integer nproject(Draw_Interpretor& di, Standard_Integer n, const char** a)
{
  if ( n < 4) return 1;
  TopoDS_Shape InpShape;
  Standard_Integer arg = 2, i;
  TopTools_SequenceOfShape Args; 

  Standard_Real Tol = 1.e-4;        
  Standard_Real Tol2d;
  Standard_Real MaxDistance = 1.e-3;
  GeomAbs_Shape Continuity = GeomAbs_C2;  
  Standard_Integer MaxDeg = 14;           
  Standard_Integer MaxSeg = 16;           

  while((n > arg) && !(InpShape = DBRep::Get(a[arg])).IsNull()){
    Args.Append(InpShape);
    arg++;
  }
  if(Args.Length() < 2) return 1;
  
  BRepOffsetAPI_NormalProjection OrtProj(Args.Last());

  for(i = 1; i < Args.Length(); i++)
    OrtProj.Add(Args(i));

  if(n > arg)
    if (!strcmp(a[arg],"-g")) {
      OrtProj.SetLimit(Standard_False);
      arg++;
    }
  
  if(n > arg)
    if (!strcmp(a[arg],"-d")) {
      arg++;
      if(n > arg)
	MaxDistance = Draw::Atof(a[arg++]);
      OrtProj.SetMaxDistance(MaxDistance);
    }
  if(n > arg) {
    Tol = Max(Draw::Atof(a[arg++]),1.e-10);
  }

  if(n > arg) {
    if (Draw::Atoi(a[arg]) == 0) Continuity = GeomAbs_C0;
    else if (Draw::Atoi(a[arg]) == 1) Continuity = GeomAbs_C1;
    arg++;
  }

 
  if(n > arg) {
    MaxDeg = Draw::Atoi(a[arg++]);
    if (MaxDeg<1 || MaxDeg>14) MaxDeg = 14;
  }

  if(n > arg) MaxSeg = Draw::Atoi(a[arg]);
    
  Tol2d = Pow(Tol, 2./3);

  OrtProj.SetParams(Tol, Tol2d, Continuity, MaxDeg, MaxSeg);
  OrtProj.Build();
  TopTools_ListOfShape Wire;
  Standard_Boolean IsWire=OrtProj.BuildWire(Wire);
  if (IsWire) {
    //std::cout << " BuildWire OK " << std::endl;
    di << " BuildWire OK \n";
  }
  DBRep::Set(a[1], OrtProj.Shape());
  return 0;  
}

//==========================================================================
//function : wexplo
//           exploration of a wire 
//==========================================================================
static Standard_Integer wexplo (Draw_Interpretor&, 
				Standard_Integer argc, const char** argv)
{ 
  char name[100];
  if (argc < 2) return 1;
  
  TopoDS_Shape C1 = DBRep::Get (argv[1],TopAbs_WIRE);
  TopoDS_Shape C2 ;

  if (argc > 2)  C2 = DBRep::Get (argv[2],TopAbs_FACE);

  if (C1.IsNull()) return 1;

  BRepTools_WireExplorer we;
  if (C2.IsNull()) we.Init(TopoDS::Wire(C1));
  else             we.Init(TopoDS::Wire(C1),TopoDS::Face(C2));

  Standard_Integer k = 1;
  while (we.More()) {
    TopoDS_Edge E = we.Current();
    Sprintf(name,"WEDGE_%d",k);	
	  DBRep::Set(name,E);
    we.Next();
    k++;
  }

  return 0;
}

static Standard_Integer scalexyz(Draw_Interpretor& /*di*/, Standard_Integer n, const char** a)
{
  if (n < 6) return 1;

  TopoDS_Shape aShapeBase = DBRep::Get(a[2]);
  if (aShapeBase.IsNull()) return 1;
  
  Standard_Real aFactorX = Draw::Atof(a[3]);
  Standard_Real aFactorY = Draw::Atof(a[4]);
  Standard_Real aFactorZ = Draw::Atof(a[5]);

  gp_GTrsf aGTrsf;
  gp_Mat rot (aFactorX, 0, 0,
              0, aFactorY, 0,
              0, 0, aFactorZ);
  aGTrsf.SetVectorialPart(rot);
  BRepBuilderAPI_GTransform aBRepGTrsf (aShapeBase, aGTrsf, Standard_False);
  if (!aBRepGTrsf.IsDone())
    throw Standard_ConstructionError("Scaling not done");
  TopoDS_Shape Result = aBRepGTrsf.Shape();

  DBRep::Set(a[1], Result);
  return 0;  
}

//=======================================================================
//function : compareshapes
//purpose  : 
//=======================================================================
static Standard_Integer compareshapes(Draw_Interpretor& di,
                                      Standard_Integer n,
                                      const char** a)
{
  if (n != 3) {
    di << "Compare shapes. Usage: compare shape1 shape2\n";
    return 1;
  }
  // get shapes
  TopoDS_Shape aS1 = DBRep::Get(a[1]);
  TopoDS_Shape aS2 = DBRep::Get(a[2]);
  // check shapes
  if (aS1.IsNull() || aS2.IsNull()) {
    di << "null shapes\n";
    return 0;
  }
  // compare shapes
  if (aS1.IsSame(aS2)) {
    di << "same shapes\n";
    if (aS1.IsEqual(aS2)) {
      di << "equal shapes\n";
    }
  }
  else {
    di << "shapes are not same\n";
  }
  return 0;
}

//=======================================================================
//function : issubshape
//purpose  : 
//=======================================================================
static Standard_Integer issubshape(Draw_Interpretor& di,
                                   Standard_Integer n,
                                   const char** a)
{  
  if (n != 3) {
    di << "Check if the shape is sub-shape of other shape and get its index in the shape.\n";
    di << "Usage: issubshape subshape shape\n";
    return 1;
  }
  // get shapes
  TopoDS_Shape aSubShape = DBRep::Get(a[1]);
  TopoDS_Shape aShape    = DBRep::Get(a[2]);
  // check shapes
  if (aSubShape.IsNull() || aShape.IsNull()) {
    di << "null shapes\n";
    return 0;
  }
  // find index of the sub-shape in the shape
  TopTools_MapOfShape aMShapes;
  // try to find the SubShape in Shape
  TopExp_Explorer anExp(aShape, aSubShape.ShapeType());
  for (; anExp.More(); anExp.Next()) {
    const TopoDS_Shape& aSS = anExp.Current();
    if (aMShapes.Add(aSS)) {
      if (aSS.IsSame(aSubShape)) {
        break;
      }
    }
  }
  //
  if (anExp.More()) {
    di << a[1] << " is sub-shape of " << a[2] << ". Index in the shape: " << aMShapes.Extent() << ".\n";
  }
  else {
    di << a[1] << " is NOT sub-shape of " << a[2] << ".\n";
  }
  //
  return 0;
}

void  BRepTest::BasicCommands(Draw_Interpretor& theCommands)
{
  static Standard_Boolean done = Standard_False;
  if (done) return;
  done = Standard_True;

  DBRep::BasicCommands(theCommands);

  const char* g = "TOPOLOGY Basic shape commands";

  theCommands.Add("addpcurve",
		  "addpcurve edge 2dcurve face [tol (default 1.e-7)]",
		  __FILE__,
		  addpcurve,g);

  theCommands.Add("reset",
		  "reset name1 name2 ..., remove location",
		  __FILE__,
		  transform,g);

  theCommands.Add("tmove",
		  "tmove name1 name2 ... name, set location from name [-copy]",
		  __FILE__,
		  transform,g);

  theCommands.Add("ttranslate",
		  "ttranslate name1 name2 ... dx dy dz [-copy]",
		  __FILE__,
		  transform,g);

  theCommands.Add("trotate",
		  "trotate name1 name2 ... x y z dx dy dz angle [-copy]",
		  __FILE__,
		  transform,g);

  theCommands.Add("tmirror",
		  "tmirror name x y z dx dy dz [-copy]",
		  __FILE__,
		  transform,g);

  theCommands.Add("tscale",
		  "tscale name x y z scale [-copy]",
		  __FILE__,
		  transform,g);

  theCommands.Add("tcopy",
		  "tcopy [-n(ogeom)] [-m(esh)] name1 result1 [name2 result2 ...]",
		  __FILE__,
		  tcopy,g);

  theCommands.Add("bmove",
		  "bmove name1 name2 ... name, set location from name",
		  __FILE__,
		  transform,g);

  theCommands.Add("btranslate",
		  "btranslate name1 name2 ... dx dy dz",
		  __FILE__,
		  transform,g);

  theCommands.Add("brotate",
		  "brotate name1 name2 ... x y z dx dy dz angle",
		  __FILE__,
		  transform,g);

  theCommands.Add("bmirror",
		  "bmirror name x y z dx dy dz",
		  __FILE__,
		  transform,g);

  theCommands.Add("bscale",
		  "bscale name x y z scale",
		  __FILE__,
		  transform,g);

  theCommands.Add("precision",
		  "precision [preci]",
		  __FILE__,
		  precision,g);

  theCommands.Add("mkedgecurve",
		  "mkedgecurve name tolerance",
		  __FILE__,
		  mkedgecurve,g);

  theCommands.Add("fsameparameter",
		  "fsameparameter shapename [tol (default 1.e-7)], \nforce sameparameter on all edges of the shape",
		  __FILE__,
		  sameparameter,g);

  theCommands.Add("sameparameter",
		  "sameparameter [result] shape [tol]",
		  __FILE__,
		  sameparameter,g);

  theCommands.Add("updatetolerance",
		  "updatetolerance [result] shape [param] \n  if [param] is absent - not verify of face tolerance, else - perform it",
		  __FILE__,
		  updatetol,g);

  theCommands.Add("solidorientation",
		  "orientsolid myClosedSolid",
		  __FILE__,
		  orientsolid,g);

  theCommands.Add("getcoords",
    "getcoords vertex1 vertex 2... ; shows coords of input vertices",
    __FILE__,
    getcoords,g);
  
  theCommands.Add ("bounding",
                   "bounding {shape | xmin ymin zmin xmax ymax zmax}"
         "\n\t\t:            [-obb] [-noTriangulation] [-optimal] [-extToler]"
         "\n\t\t:            [-dump] [-print] [-dumpJson] [-shape name] [-nodraw] [-finitePart]"
         "\n\t\t:            [-save xmin ymin zmin xmax ymax zmax]"
         "\n\t\t:"
         "\n\t\t: Computes a bounding box. Two types of the source data are supported:"
         "\n\t\t: a shape or AABB corners (xmin, ymin, zmin, xmax, ymax, zmax)."
         "\n\t\t:"
         "\n\t\t: Calculation options (applicable only if input is a shape):"
         "\n\t\t:  -obb     Compute Oriented Bounding Box (OBB) instead of AABB."
         "\n\t\t:  -noTriangulation Force use of exact geometry for calculation"
         "\n\t\t:                   even if triangulation is present."
         "\n\t\t:  -optimal Force calculation of optimal (more tight) AABB."
         "\n\t\t:           In case of OBB:"
         "\n\t\t:           - for PCA approach applies to initial AABB used in OBB calculation"
         "\n\t\t:           - for DiTo approach modifies the DiTo algorithm to check more axes."
         "\n\t\t:  -extToler Include tolerance of the shape in the resulting box."
         "\n\t\t:"
         "\n\t\t: Output options:"
         "\n\t\t:  -dump    Prints the information about computed Bounding Box."
         "\n\t\t:  -print   Prints the information about computed Bounding Box."
         "\n\t\t:           It is enabled by default (with plain old syntax for AABB)"
         "\n\t\t:           if neither -shape nor -save is specified."
         "\n\t\t:  -dumpJson Prints DumpJson information about Bounding Box."
         "\n\t\t:  -shape   Stores computed box as solid in DRAW variable with specified name."
         "\n\t\t:  -save    Stores min and max coordinates of AABB in specified variables."
         "\n\t\t:  -noDraw  Avoid drawing resulting Bounding Box in DRAW viewer."
         "\n\t\t:  -finite  Return finite part of infinite box.",
                  __FILE__, BoundBox, g);

 //
  theCommands.Add("gbounding",
		  "gbounding surf/curve/curve2d [-o] ",
		  __FILE__,
		  gbounding,g);

  theCommands.Add("isbbinterf", "isbbinterf shape1 shape2 [-o]\n"
                  "Checks whether the bounding-boxes created from "
                  "the given shapes are interfered. If \"-o\"-option "
                  "is switched on then the oriented boxes will be checked. "
                  "Otherwise, axes-aligned boxes will be checked.",
                  __FILE__, IsBoxesInterfered, g);

  theCommands.Add("nurbsconvert",
		  "nurbsconvert result name [result name]",
		  __FILE__,
		  nurbsconvert,g);

  theCommands.Add("deform",
		  "deform newname name CoeffX CoeffY CoeffZ",
		  __FILE__,
		  deform,g);
  
  theCommands.Add("findplane",
		  "findplane name planename ",
		  __FILE__,
		  findplane,g) ;
  
  theCommands.Add("maxtolerance",
		  "maxtolerance shape ",
		  __FILE__,
		  maxtolerance,g) ;

  theCommands.Add("reperageshape",
		  "reperage shape -> list of shape (result of interstion shape , line)",
		  __FILE__,
		  reperageshape,g) ;

  theCommands.Add("vecdc",
		  "vecdc + Pointe double click ",
		  __FILE__,
		  vecdc,g) ;

  theCommands.Add("nproject","nproject pj e1 e2 e3 ... surf -g -d [dmax] [Tol [continuity [maxdeg [maxseg]]]",
                  __FILE__,
                  nproject,g);

  theCommands.Add("wexplo","wexplo wire [face] create WEDGE_i",
		  __FILE__,
		  wexplo,g);

  theCommands.Add("scalexyz",
                  "scalexyz res shape factor_x factor_y factor_z",
		  __FILE__,
		  scalexyz, g);

  theCommands.Add("compare",
                  "Compare shapes. Usage: compare shape1 shape2",
                  __FILE__,
                  compareshapes, g);

  theCommands.Add("issubshape",
                  "issubshape subshape shape\n"
                  "\t\tCheck if the shape is sub-shape of other shape and get its index in the shape.",
                  __FILE__,
                  issubshape, g);
}