[occt.git] / src / LocOpe / LocOpe_Prism.cxx

// Created on: 1996-09-04
// Created by: Olga PILLOT
// Copyright (c) 1996-1999 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 <BRepLib_MakeVertex.hxx>
#include <BRepSweep_Prism.hxx>
#include <BRepTools_Modifier.hxx>
#include <BRepTools_TrsfModification.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Line.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <gp_Ax1.hxx>
#include <gp_Trsf.hxx>
#include <gp_Vec.hxx>
#include <LocOpe.hxx>
#include <LocOpe_BuildShape.hxx>
#include <LocOpe_Prism.hxx>
#include <Standard_NoSuchObject.hxx>
#include <StdFail_NotDone.hxx>
#include <TColgp_SequenceOfPnt.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>

//=======================================================================
//function : LocOpe_Prism
//purpose  : 
//=======================================================================
LocOpe_Prism::LocOpe_Prism(): myDone(Standard_False)
{}

//=======================================================================
//function : LocOpe_Prism
//purpose  : 
//=======================================================================

LocOpe_Prism::LocOpe_Prism(const TopoDS_Shape&  Base,
			   const gp_Vec& V):
       myBase(Base), myVec(V), myIsTrans(Standard_False)

{
  IntPerf();
}

//=======================================================================
//function : LocOpe_Prism
//purpose  : 
//=======================================================================

LocOpe_Prism::LocOpe_Prism(const TopoDS_Shape&  Base,
			   const gp_Vec& V,
			   const gp_Vec& Vtra):
       myBase(Base), myVec(V), myTra(Vtra), myIsTrans(Standard_True)

{
  IntPerf();

}

//=======================================================================
//function : Perform
//purpose  : 
//=======================================================================

void LocOpe_Prism::Perform(const TopoDS_Shape& Base,
			   const gp_Vec& V)
{
  myMap.Clear();
  myFirstShape.Nullify();
  myLastShape.Nullify();
  myBase.Nullify();
  myRes.Nullify();

  myBase = Base;
  myVec = V;
  myIsTrans = Standard_False;
  IntPerf();
}

//=======================================================================
//function : Perform
//purpose  : 
//=======================================================================

void LocOpe_Prism::Perform(const TopoDS_Shape& Base,
			   const gp_Vec& V,
			   const gp_Vec& Vtra)
{
  myMap.Clear();
  myFirstShape.Nullify();
  myLastShape.Nullify();
  myBase.Nullify();
  myRes.Nullify();

  myBase = Base;
  myVec = V;
  myTra = Vtra;
  myIsTrans = Standard_True;
  IntPerf();
}


//=======================================================================
//function : IntPerf
//purpose  : 
//=======================================================================

void LocOpe_Prism::IntPerf()
{
  TopoDS_Shape theBase = myBase;
  BRepTools_Modifier Modif;
  if (myIsTrans) {
    gp_Trsf T;
    T.SetTranslation(myTra);
    Handle(BRepTools_TrsfModification) modbase = 
      new BRepTools_TrsfModification(T);
    Modif.Init(theBase);
    Modif.Perform(modbase);
    theBase = Modif.ModifiedShape(theBase);
  }
  
  BRepSweep_Prism thePrism(theBase,myVec);

  myFirstShape = thePrism.FirstShape();
  myLastShape = thePrism.LastShape();

  TopExp_Explorer exp;
  if (theBase.ShapeType() == TopAbs_FACE) {
    for (exp.Init(theBase,TopAbs_EDGE);exp.More();exp.Next()) {
      const TopoDS_Edge& edg = TopoDS::Edge(exp.Current());
      if (!myMap.IsBound(edg)) {
        TopTools_ListOfShape thelist;
	myMap.Bind(edg, thelist);
	TopoDS_Shape desc = thePrism.Shape(edg);
	if (!desc.IsNull()) {
	  myMap(edg).Append(desc);
	}
      }
    }
    myRes = thePrism.Shape();
  }

  else {
    // Cas base != FACE
    TopTools_IndexedDataMapOfShapeListOfShape theEFMap;
    TopExp::MapShapesAndAncestors(theBase,TopAbs_EDGE,TopAbs_FACE,theEFMap);
    TopTools_ListOfShape lfaces;
    Standard_Boolean toremove = Standard_False;
    for (Standard_Integer i=1; i<=theEFMap.Extent(); i++) {
      const TopoDS_Shape& edg = theEFMap.FindKey(i);
      TopTools_ListOfShape thelist1;
      myMap.Bind(edg, thelist1);
      TopoDS_Shape desc = thePrism.Shape(edg);
      if (!desc.IsNull()) {
	if (theEFMap(i).Extent() >= 2) {
	  toremove = Standard_True;
	}
	else {
	  myMap(edg).Append(desc);
	  lfaces.Append(desc);
	}
      }
    }
    if(toremove) {
      // Rajouter les faces de FirstShape et LastShape
      for (exp.Init(myFirstShape,TopAbs_FACE);exp.More();exp.Next()) {
	lfaces.Append(exp.Current());
      }
      for (exp.Init(myLastShape,TopAbs_FACE);exp.More();exp.Next()) {
	lfaces.Append(exp.Current());
      }
      
      LocOpe_BuildShape BS(lfaces);
      myRes = BS.Shape();
    }
    else {
      for (exp.Init(theBase,TopAbs_EDGE);exp.More();exp.Next()) {
	const TopoDS_Edge& edg = TopoDS::Edge(exp.Current());
	if (!myMap.IsBound(edg)) {
          TopTools_ListOfShape thelist2;
	  myMap.Bind(edg, thelist2);
	  TopoDS_Shape desc = thePrism.Shape(edg);
	  if (!desc.IsNull()) {
	    myMap(edg).Append(desc);
	  }
	}
      }
      myRes = thePrism.Shape();
    }
  }

  if (myIsTrans) {
    // m-a-j des descendants
    TopExp_Explorer anExp;
    for (anExp.Init(myBase,TopAbs_EDGE); anExp.More(); anExp.Next()) {
      const TopoDS_Edge& edg = TopoDS::Edge(anExp.Current());
      const TopoDS_Edge& edgbis = TopoDS::Edge(Modif.ModifiedShape(edg));
      if (!edgbis.IsSame(edg) && myMap.IsBound(edgbis)) {
	myMap.Bind(edg,myMap(edgbis));
	myMap.UnBind(edgbis);
      }
    }
  }
  myDone = Standard_True;
}

//=======================================================================
//function : Shape
//purpose  : 
//=======================================================================

const TopoDS_Shape& LocOpe_Prism::Shape () const
{
  if (!myDone) {
    throw StdFail_NotDone();
  }
  return myRes;
}


//=======================================================================
//function : FirstShape
//purpose  : 
//=======================================================================

const TopoDS_Shape& LocOpe_Prism::FirstShape () const
{
  return myFirstShape;
}

//=======================================================================
//function : LastShape
//purpose  : 
//=======================================================================

const TopoDS_Shape& LocOpe_Prism::LastShape () const
{
  return myLastShape;
}


//=======================================================================
//function : Shapes
//purpose  : 
//=======================================================================

const TopTools_ListOfShape& LocOpe_Prism::Shapes (const TopoDS_Shape& S) const
{
  return myMap(S);
}


//=======================================================================
//function : Curves
//purpose  : 
//=======================================================================

void LocOpe_Prism::Curves(TColGeom_SequenceOfCurve& Scurves) const
{
  Scurves.Clear();
  TColgp_SequenceOfPnt spt;
  LocOpe::SampleEdges(myFirstShape,spt);
  Standard_Real height = 
    Sqrt(myVec.X()*myVec.X()+myVec.Y()*myVec.Y()+myVec.Z()*myVec.Z());
  Standard_Real u1 = -2*height;
  Standard_Real u2 =  2*height;

  for (Standard_Integer jj=1;jj<=spt.Length(); jj++) {
    gp_Ax1 theAx(spt(jj),myVec);
    Handle(Geom_Line) theLin = new Geom_Line(theAx);
    Handle(Geom_TrimmedCurve) trlin = 
      new Geom_TrimmedCurve(theLin, u1, u2, Standard_True);   
    Scurves.Append(trlin);
  }
}

//=======================================================================
//function : BarycCurve
//purpose  : 
//=======================================================================

Handle(Geom_Curve) LocOpe_Prism::BarycCurve() const
{
  gp_Pnt bar(0., 0., 0.);
  TColgp_SequenceOfPnt spt;
  LocOpe::SampleEdges(myFirstShape,spt);
  for (Standard_Integer jj=1;jj<=spt.Length(); jj++) {
    const gp_Pnt& pvt = spt(jj);
    bar.ChangeCoord() += pvt.XYZ();
  }
  bar.ChangeCoord().Divide(spt.Length());
  gp_Ax1 newAx(bar,myVec);
  Handle(Geom_Line) theLin = new Geom_Line(newAx);
  return theLin;
}
Commit	Line	Data
b311480e	1	// Created on: 1996-09-04
	2	// Created by: Olga PILLOT
	3	// Copyright (c) 1996-1999 Matra Datavision
973c2be1	4	// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e	5	//
973c2be1	6	// This file is part of Open CASCADE Technology software library.
b311480e	7	//
d5f74e42	8	// This library is free software; you can redistribute it and/or modify it under
d5f74e42	9	// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1	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.
b311480e	13	//
973c2be1	14	// Alternatively, this file may be used under the terms of Open CASCADE
973c2be1	15	// commercial license or contractual agreement.
7fd59977	16
7fd59977	17
42cf5bc1	18	#include <BRepLib_MakeVertex.hxx>
7fd59977	19	#include <BRepSweep_Prism.hxx>
7fd59977	20	#include <BRepTools_Modifier.hxx>
42cf5bc1	21	#include <BRepTools_TrsfModification.hxx>
42cf5bc1	22	#include <Geom_Curve.hxx>
7fd59977	23	#include <Geom_Line.hxx>
7fd59977	24	#include <Geom_TrimmedCurve.hxx>
42cf5bc1	25	#include <gp_Ax1.hxx>
	26	#include <gp_Trsf.hxx>
	27	#include <gp_Vec.hxx>
7fd59977	28	#include <LocOpe.hxx>
42cf5bc1	29	#include <LocOpe_BuildShape.hxx>
	30	#include <LocOpe_Prism.hxx>
	31	#include <Standard_NoSuchObject.hxx>
	32	#include <StdFail_NotDone.hxx>
	33	#include <TColgp_SequenceOfPnt.hxx>
7fd59977	34	#include <TopExp.hxx>
42cf5bc1	35	#include <TopExp_Explorer.hxx>
	36	#include <TopoDS.hxx>
	37	#include <TopoDS_Edge.hxx>
	38	#include <TopoDS_Shape.hxx>
	39	#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
7fd59977	40
	41	//=======================================================================
	42	//function : LocOpe_Prism
	43	//purpose :
	44	//=======================================================================
7fd59977	45	LocOpe_Prism::LocOpe_Prism(): myDone(Standard_False)
	46	{}
	47
	48	//=======================================================================
	49	//function : LocOpe_Prism
	50	//purpose :
	51	//=======================================================================
	52
	53	LocOpe_Prism::LocOpe_Prism(const TopoDS_Shape& Base,
	54	const gp_Vec& V):
	55	myBase(Base), myVec(V), myIsTrans(Standard_False)
	56
	57	{
	58	IntPerf();
	59	}
	60
	61	//=======================================================================
	62	//function : LocOpe_Prism
	63	//purpose :
	64	//=======================================================================
	65
	66	LocOpe_Prism::LocOpe_Prism(const TopoDS_Shape& Base,
	67	const gp_Vec& V,
	68	const gp_Vec& Vtra):
	69	myBase(Base), myVec(V), myTra(Vtra), myIsTrans(Standard_True)
	70
	71	{
	72	IntPerf();
	73
	74	}
	75
	76	//=======================================================================
	77	//function : Perform
	78	//purpose :
	79	//=======================================================================
	80
	81	void LocOpe_Prism::Perform(const TopoDS_Shape& Base,
	82	const gp_Vec& V)
	83	{
	84	myMap.Clear();
	85	myFirstShape.Nullify();
	86	myLastShape.Nullify();
	87	myBase.Nullify();
	88	myRes.Nullify();
	89
	90	myBase = Base;
	91	myVec = V;
	92	myIsTrans = Standard_False;
	93	IntPerf();
	94	}
	95
	96	//=======================================================================
	97	//function : Perform
	98	//purpose :
	99	//=======================================================================
	100
	101	void LocOpe_Prism::Perform(const TopoDS_Shape& Base,
	102	const gp_Vec& V,
	103	const gp_Vec& Vtra)
	104	{
	105	myMap.Clear();
	106	myFirstShape.Nullify();
	107	myLastShape.Nullify();
	108	myBase.Nullify();
109	myRes.Nullify();
110
111	myBase = Base;
112	myVec = V;
113	myTra = Vtra;
114	myIsTrans = Standard_True;
115	IntPerf();
116	}
117
118
119	//=======================================================================
120	//function : IntPerf
121	//purpose :
122	//=======================================================================
123
124	void LocOpe_Prism::IntPerf()
125	{
126	TopoDS_Shape theBase = myBase;
127	BRepTools_Modifier Modif;
128	if (myIsTrans) {
129	gp_Trsf T;
130	T.SetTranslation(myTra);
131	Handle(BRepTools_TrsfModification) modbase =
132	new BRepTools_TrsfModification(T);
133	Modif.Init(theBase);
134	Modif.Perform(modbase);
135	theBase = Modif.ModifiedShape(theBase);
136	}
137
138	BRepSweep_Prism thePrism(theBase,myVec);
139
140	myFirstShape = thePrism.FirstShape();
141	myLastShape = thePrism.LastShape();
142
143	TopExp_Explorer exp;
144	if (theBase.ShapeType() == TopAbs_FACE) {
145	for (exp.Init(theBase,TopAbs_EDGE);exp.More();exp.Next()) {
146	const TopoDS_Edge& edg = TopoDS::Edge(exp.Current());
147	if (!myMap.IsBound(edg)) {
148	TopTools_ListOfShape thelist;
149	myMap.Bind(edg, thelist);
150	TopoDS_Shape desc = thePrism.Shape(edg);
151	if (!desc.IsNull()) {
152	myMap(edg).Append(desc);
153	}
154	}
155	}
156	myRes = thePrism.Shape();
157	}
158
159	else {
160	// Cas base != FACE
161	TopTools_IndexedDataMapOfShapeListOfShape theEFMap;
162	TopExp::MapShapesAndAncestors(theBase,TopAbs_EDGE,TopAbs_FACE,theEFMap);
163	TopTools_ListOfShape lfaces;
164	Standard_Boolean toremove = Standard_False;
165	for (Standard_Integer i=1; i<=theEFMap.Extent(); i++) {
166	const TopoDS_Shape& edg = theEFMap.FindKey(i);
167	TopTools_ListOfShape thelist1;
168	myMap.Bind(edg, thelist1);
169	TopoDS_Shape desc = thePrism.Shape(edg);
170	if (!desc.IsNull()) {
171	if (theEFMap(i).Extent() >= 2) {
172	toremove = Standard_True;
173	}
174	else {
175	myMap(edg).Append(desc);
176	lfaces.Append(desc);
177	}
178	}
179	}
180	if(toremove) {
181	// Rajouter les faces de FirstShape et LastShape
182	for (exp.Init(myFirstShape,TopAbs_FACE);exp.More();exp.Next()) {
183	lfaces.Append(exp.Current());
184	}
185	for (exp.Init(myLastShape,TopAbs_FACE);exp.More();exp.Next()) {
186	lfaces.Append(exp.Current());
187	}
188
189	LocOpe_BuildShape BS(lfaces);
190	myRes = BS.Shape();
191	}
192	else {
193	for (exp.Init(theBase,TopAbs_EDGE);exp.More();exp.Next()) {
194	const TopoDS_Edge& edg = TopoDS::Edge(exp.Current());
195	if (!myMap.IsBound(edg)) {
196	TopTools_ListOfShape thelist2;
197	myMap.Bind(edg, thelist2);
198	TopoDS_Shape desc = thePrism.Shape(edg);
199	if (!desc.IsNull()) {
200	myMap(edg).Append(desc);
201	}
202	}
203	}
204	myRes = thePrism.Shape();
205	}
206	}
207
208	if (myIsTrans) {
209	// m-a-j des descendants
51740958	210	TopExp_Explorer anExp;
	211	for (anExp.Init(myBase,TopAbs_EDGE); anExp.More(); anExp.Next()) {
	212	const TopoDS_Edge& edg = TopoDS::Edge(anExp.Current());
7fd59977	213	const TopoDS_Edge& edgbis = TopoDS::Edge(Modif.ModifiedShape(edg));
	214	if (!edgbis.IsSame(edg) && myMap.IsBound(edgbis)) {
	215	myMap.Bind(edg,myMap(edgbis));
	216	myMap.UnBind(edgbis);
	217	}
	218	}
	219	}
	220	myDone = Standard_True;
	221	}
	222
	223	//=======================================================================
	224	//function : Shape
	225	//purpose :
	226	//=======================================================================
	227
	228	const TopoDS_Shape& LocOpe_Prism::Shape () const
	229	{
	230	if (!myDone) {
9775fa61	231	throw StdFail_NotDone();
7fd59977	232	}
	233	return myRes;
	234	}
	235
	236
	237	//=======================================================================
	238	//function : FirstShape
	239	//purpose :
	240	//=======================================================================
	241
	242	const TopoDS_Shape& LocOpe_Prism::FirstShape () const
	243	{
	244	return myFirstShape;
	245	}
	246
	247	//=======================================================================
	248	//function : LastShape
	249	//purpose :
	250	//=======================================================================
	251
	252	const TopoDS_Shape& LocOpe_Prism::LastShape () const
	253	{
	254	return myLastShape;
	255	}
	256
	257
	258	//=======================================================================
	259	//function : Shapes
	260	//purpose :
	261	//=======================================================================
	262
	263	const TopTools_ListOfShape& LocOpe_Prism::Shapes (const TopoDS_Shape& S) const
	264	{
	265	return myMap(S);
	266	}
	267
	268
	269	//=======================================================================
	270	//function : Curves
	271	//purpose :
	272	//=======================================================================
	273
	274	void LocOpe_Prism::Curves(TColGeom_SequenceOfCurve& Scurves) const
	275	{
	276	Scurves.Clear();
	277	TColgp_SequenceOfPnt spt;
	278	LocOpe::SampleEdges(myFirstShape,spt);
	279	Standard_Real height =
	280	Sqrt(myVec.X()myVec.X()+myVec.Y()myVec.Y()+myVec.Z()*myVec.Z());
	281	Standard_Real u1 = -2*height;
	282	Standard_Real u2 = 2*height;
	283
	284	for (Standard_Integer jj=1;jj<=spt.Length(); jj++) {
	285	gp_Ax1 theAx(spt(jj),myVec);
	286	Handle(Geom_Line) theLin = new Geom_Line(theAx);
	287	Handle(Geom_TrimmedCurve) trlin =
	288	new Geom_TrimmedCurve(theLin, u1, u2, Standard_True);
	289	Scurves.Append(trlin);
	290	}
	291	}
	292
	293	//=======================================================================
	294	//function : BarycCurve
	295	//purpose :
296	//=======================================================================
297
298	Handle(Geom_Curve) LocOpe_Prism::BarycCurve() const
299	{
300	gp_Pnt bar(0., 0., 0.);
301	TColgp_SequenceOfPnt spt;
302	LocOpe::SampleEdges(myFirstShape,spt);
303	for (Standard_Integer jj=1;jj<=spt.Length(); jj++) {
304	const gp_Pnt& pvt = spt(jj);
305	bar.ChangeCoord() += pvt.XYZ();
306	}
307	bar.ChangeCoord().Divide(spt.Length());
308	gp_Ax1 newAx(bar,myVec);
309	Handle(Geom_Line) theLin = new Geom_Line(newAx);
310	return theLin;
311	}
312