[occt.git] / src / RWStepShape / RWStepShape_RWEdgeCurve.cxx

// 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 <Interface_Check.hxx>
#include <Interface_EntityIterator.hxx>
#include <Interface_ShareTool.hxx>
#include <Precision.hxx>
#include <RWStepShape_RWEdgeCurve.hxx>
#include <StepData_StepReaderData.hxx>
#include <StepData_StepWriter.hxx>
#include <StepGeom_CartesianPoint.hxx>
#include <StepGeom_Curve.hxx>
#include <StepShape_EdgeCurve.hxx>
#include <StepShape_EdgeLoop.hxx>
#include <StepShape_FaceBound.hxx>
#include <StepShape_OrientedEdge.hxx>
#include <StepShape_Vertex.hxx>
#include <StepShape_VertexPoint.hxx>

RWStepShape_RWEdgeCurve::RWStepShape_RWEdgeCurve () {}

void RWStepShape_RWEdgeCurve::ReadStep
	(const Handle(StepData_StepReaderData)& data,
	 const Standard_Integer num,
	 Handle(Interface_Check)& ach,
	 const Handle(StepShape_EdgeCurve)& ent) const
{


	// --- Number of Parameter Control ---

	if (!data->CheckNbParams(num,5,ach,"edge_curve")) return;

	// --- inherited field : name ---

	Handle(TCollection_HAsciiString) aName;
	data->ReadString (num,1,"name",ach,aName);

	// --- inherited field : edgeStart ---

	Handle(StepShape_Vertex) aEdgeStart;
	data->ReadEntity(num, 2,"edge_start", ach, STANDARD_TYPE(StepShape_Vertex), aEdgeStart);

	// --- inherited field : edgeEnd ---

	Handle(StepShape_Vertex) aEdgeEnd;
	data->ReadEntity(num, 3,"edge_end", ach, STANDARD_TYPE(StepShape_Vertex), aEdgeEnd);

	// --- own field : edgeGeometry ---

	Handle(StepGeom_Curve) aEdgeGeometry;
	data->ReadEntity(num, 4,"edge_geometry", ach, STANDARD_TYPE(StepGeom_Curve), aEdgeGeometry);

	// --- own field : sameSense ---

	Standard_Boolean aSameSense;
	data->ReadBoolean (num,5,"same_sense",ach,aSameSense);

	//--- Initialisation of the read entity ---


	ent->Init(aName, aEdgeStart, aEdgeEnd, aEdgeGeometry, aSameSense);
}


void RWStepShape_RWEdgeCurve::WriteStep
	(StepData_StepWriter& SW,
	 const Handle(StepShape_EdgeCurve)& ent) const
{

	// --- inherited field name ---

	SW.Send(ent->Name());

	// --- inherited field edgeStart ---

	SW.Send(ent->EdgeStart());

	// --- inherited field edgeEnd ---

	SW.Send(ent->EdgeEnd());

	// --- own field : edgeGeometry ---

	SW.Send(ent->EdgeGeometry());

	// --- own field : sameSense ---

	SW.SendBoolean(ent->SameSense());
}


void RWStepShape_RWEdgeCurve::Share(const Handle(StepShape_EdgeCurve)& ent, Interface_EntityIterator& iter) const
{

	iter.GetOneItem(ent->EdgeStart());


	iter.GetOneItem(ent->EdgeEnd());


	iter.GetOneItem(ent->EdgeGeometry());
}


void RWStepShape_RWEdgeCurve::Check
  (const Handle(StepShape_EdgeCurve)& ent,
   const Interface_ShareTool& aShto,
   Handle(Interface_Check)& ach) const
{
//  std::cout << "------ calling CheckEdgeCurve ------" << std::endl;
  
  Handle(StepShape_OrientedEdge) theOE1, theOE2;
  Handle(StepShape_FaceBound)    theFOB1, theFOB2;
  //Handle(StepShape_FaceSurface)  theFS1, theFS2;

  Standard_Boolean theOEOri1 = Standard_True;
  Standard_Boolean theOEOri2 = Standard_True;
  Standard_Boolean theFBOri1 = Standard_True;
  Standard_Boolean theFBOri2 = Standard_True;
  //Standard_Boolean theFSOri1 = Standard_True;
  //Standard_Boolean theFSOri2 = Standard_True;
  Standard_Boolean Cumulated1, Cumulated2;

  // 1- First Vertex != LastVertex but First VertexPoint == Last VertexPoint
  // Remark : time consuming process but useful !
  // If this append, we can drop one of the two vertices and replace it 
  // everywhere it is referenced. Side effect : tolerance problem !!!

  Handle(StepShape_VertexPoint) StartVertex = 
    Handle(StepShape_VertexPoint)::DownCast(ent->EdgeStart());
  Handle(StepShape_VertexPoint) EndVertex   = 
    Handle(StepShape_VertexPoint)::DownCast(ent->EdgeEnd());

  if (StartVertex != EndVertex) {

    Handle(StepGeom_CartesianPoint) StartPoint = 
      Handle(StepGeom_CartesianPoint)::DownCast(StartVertex->VertexGeometry());
    Handle(StepGeom_CartesianPoint) EndPoint   = 
      Handle(StepGeom_CartesianPoint)::DownCast(EndVertex->VertexGeometry());

    // it can also be a degenerated pcurve

    if (!StartPoint.IsNull() && !EndPoint.IsNull()) {
      Standard_Real Dist = Sqrt
	((StartPoint->CoordinatesValue(1) - EndPoint->CoordinatesValue(1)) *
	 (StartPoint->CoordinatesValue(1) - EndPoint->CoordinatesValue(1)) +
	 (StartPoint->CoordinatesValue(2) - EndPoint->CoordinatesValue(2)) *
	 (StartPoint->CoordinatesValue(2) - EndPoint->CoordinatesValue(2)) +
	 (StartPoint->CoordinatesValue(3) - EndPoint->CoordinatesValue(3)) *
	 (StartPoint->CoordinatesValue(3) - EndPoint->CoordinatesValue(3)));
      if (Dist < Precision::Confusion() ) {
	ach->AddWarning("Two instances of Vertex have equal (within uncertainty) coordinates");
      }
    }
  }
  
  // 2- Two-Manifold Topology

  Standard_Boolean sharEC = aShto.IsShared(ent);
  Standard_Integer nbRef;
  if(!sharEC){
    ach->AddFail("ERROR: EdgeCurve not referenced");
  }
  else {
    Interface_EntityIterator myShRef = aShto.Sharings(ent);
    myShRef.SelectType (STANDARD_TYPE(StepShape_OrientedEdge),Standard_True);
    nbRef = myShRef.NbEntities();
    if (nbRef ==2) {
      theOE1 = Handle(StepShape_OrientedEdge)::DownCast(myShRef.Value());
      theOEOri1 = theOE1->Orientation();
      myShRef.Next();
      theOE2 = Handle(StepShape_OrientedEdge)::DownCast(myShRef.Value());
      theOEOri2 = theOE2->Orientation();
      
      // get the FaceBound orientation for theOE1
      
      Standard_Boolean sharOE1 = aShto.IsShared(theOE1);
      if(!sharOE1){
#ifdef OCCT_DEBUG
	std::cout << "OrientedEdge1 not shared" <<std::endl;
#endif
      }
      else {
	myShRef = aShto.Sharings(theOE1);
	myShRef.SelectType (STANDARD_TYPE(StepShape_EdgeLoop),Standard_True);
	nbRef = myShRef.NbEntities();
	if (nbRef == 1) {
	  myShRef.Start();
	  Handle(StepShape_EdgeLoop) theEL1 =
	    Handle(StepShape_EdgeLoop)::DownCast(myShRef.Value());
	  Standard_Boolean sharEL1 = aShto.IsShared(theEL1);
	  if(!sharEL1) {
#ifdef OCCT_DEBUG
	    std::cout << "EdgeLoop1 not shared" <<std::endl;
#endif
	  }
	  else {
	    myShRef = aShto.Sharings(theEL1);
	    myShRef.SelectType (STANDARD_TYPE(StepShape_FaceBound),Standard_True);
#ifdef OCCT_DEBUG
	    nbRef = 
#endif
	      myShRef.NbEntities();
	    myShRef.Start();
	    theFOB1 = Handle(StepShape_FaceBound)::DownCast(myShRef.Value());
	    if (!theFOB1.IsNull()) {
	      theFBOri1 = theFOB1->Orientation();
	    }
	    else {
#ifdef OCCT_DEBUG
	      std::cout << "EdgeLoop not referenced by FaceBound" << std::endl;
#endif
	    }
	  }
	}
	else {
	  if (nbRef == 0) {
#ifdef OCCT_DEBUG
	    std::cout << "OrientedEdge not referenced" << std::endl;
#endif
          }
	  else {
	    if (aShto.NbTypedSharings(theOE1,
				      STANDARD_TYPE(StepShape_EdgeLoop)) > 1) {
#ifdef OCCT_DEBUG
	      std::cout << "OrientedEdge referenced more than once" << std::endl;
#endif
            }
          }
	}
      }

      // get the FaceBound orientation for theOE2

      Standard_Boolean sharOE2 = aShto.IsShared(theOE2);
      if(!sharOE2){
#ifdef OCCT_DEBUG
	std::cout << "OrientedEdge2 not shared" <<std::endl;
#endif
      }
      else {
	myShRef = aShto.Sharings(theOE2);
#ifdef OCCT_DEBUG
// 	Standard_Integer nbRef = 
#endif
// unused	  myShRef.NbEntities();	
	myShRef.Start();
	Handle(StepShape_EdgeLoop) theEL2 =
	  Handle(StepShape_EdgeLoop)::DownCast(myShRef.Value());
	Standard_Boolean sharEL2 = aShto.IsShared(theEL2);
	if(!sharEL2){
#ifdef OCCT_DEBUG
	  std::cout << "EdgeLoop2 not shared" <<std::endl;
#endif
	}
	else {
	  myShRef = aShto.Sharings(theEL2);
          // unused Standard_Integer nbRef = myShRef.NbEntities();	
	  myShRef.Start();
	  theFOB2 = Handle(StepShape_FaceBound)::DownCast(myShRef.Value());
	  if (!theFOB2.IsNull()) {
	    theFBOri2 = theFOB2->Orientation();
	  }
	  else {
#ifdef OCCT_DEBUG
	    std::cout << "EdgeLoop not referenced by FaceBound" << std::endl;
#endif
	  }
	}
      }
        
        // "cumulate" the FaceBound and the OrientedEdge orientation
        
        Cumulated1 = theFBOri1 ^ theOEOri1;
      Cumulated2 = theFBOri2 ^ theOEOri2;
      
      // the orientation of the OrientedEdges must be opposite
      
      if (Cumulated1 == Cumulated2) {
	ach->AddFail("ERROR: non 2-manifold topology");
      }
    }
  }
}
Commit	Line	Data
973c2be1	1	// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e	2	//
973c2be1	3	// This file is part of Open CASCADE Technology software library.
b311480e	4	//
d5f74e42	5	// This library is free software; you can redistribute it and/or modify it under
d5f74e42	6	// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1	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.
b311480e	10	//
973c2be1	11	// Alternatively, this file may be used under the terms of Open CASCADE
973c2be1	12	// commercial license or contractual agreement.
b311480e	13
7fd59977	14
42cf5bc1	15	#include <Interface_Check.hxx>
7fd59977	16	#include <Interface_EntityIterator.hxx>
42cf5bc1	17	#include <Interface_ShareTool.hxx>
	18	#include <Precision.hxx>
	19	#include <RWStepShape_RWEdgeCurve.hxx>
	20	#include <StepData_StepReaderData.hxx>
	21	#include <StepData_StepWriter.hxx>
	22	#include <StepGeom_CartesianPoint.hxx>
	23	#include <StepGeom_Curve.hxx>
7fd59977	24	#include <StepShape_EdgeCurve.hxx>
7fd59977	25	#include <StepShape_EdgeLoop.hxx>
42cf5bc1	26	#include <StepShape_FaceBound.hxx>
	27	#include <StepShape_OrientedEdge.hxx>
	28	#include <StepShape_Vertex.hxx>
	29	#include <StepShape_VertexPoint.hxx>
7fd59977	30
	31	RWStepShape_RWEdgeCurve::RWStepShape_RWEdgeCurve () {}
	32
	33	void RWStepShape_RWEdgeCurve::ReadStep
	34	(const Handle(StepData_StepReaderData)& data,
	35	const Standard_Integer num,
	36	Handle(Interface_Check)& ach,
	37	const Handle(StepShape_EdgeCurve)& ent) const
	38	{
	39
	40
	41	// --- Number of Parameter Control ---
	42
	43	if (!data->CheckNbParams(num,5,ach,"edge_curve")) return;
	44
	45	// --- inherited field : name ---
	46
	47	Handle(TCollection_HAsciiString) aName;
	48	data->ReadString (num,1,"name",ach,aName);
	49
	50	// --- inherited field : edgeStart ---
	51
	52	Handle(StepShape_Vertex) aEdgeStart;
	53	data->ReadEntity(num, 2,"edge_start", ach, STANDARD_TYPE(StepShape_Vertex), aEdgeStart);
	54
	55	// --- inherited field : edgeEnd ---
	56
	57	Handle(StepShape_Vertex) aEdgeEnd;
	58	data->ReadEntity(num, 3,"edge_end", ach, STANDARD_TYPE(StepShape_Vertex), aEdgeEnd);
	59
	60	// --- own field : edgeGeometry ---
	61
	62	Handle(StepGeom_Curve) aEdgeGeometry;
	63	data->ReadEntity(num, 4,"edge_geometry", ach, STANDARD_TYPE(StepGeom_Curve), aEdgeGeometry);
	64
	65	// --- own field : sameSense ---
	66
	67	Standard_Boolean aSameSense;
	68	data->ReadBoolean (num,5,"same_sense",ach,aSameSense);
	69
	70	//--- Initialisation of the read entity ---
	71
	72
	73	ent->Init(aName, aEdgeStart, aEdgeEnd, aEdgeGeometry, aSameSense);
	74	}
	75
	76
	77	void RWStepShape_RWEdgeCurve::WriteStep
	78	(StepData_StepWriter& SW,
	79	const Handle(StepShape_EdgeCurve)& ent) const
	80	{
	81
	82	// --- inherited field name ---
	83
	84	SW.Send(ent->Name());
	85
	86	// --- inherited field edgeStart ---
	87
	88	SW.Send(ent->EdgeStart());
	89
	90	// --- inherited field edgeEnd ---
	91
	92	SW.Send(ent->EdgeEnd());
	93
94	// --- own field : edgeGeometry ---
95
96	SW.Send(ent->EdgeGeometry());
97
98	// --- own field : sameSense ---
99
100	SW.SendBoolean(ent->SameSense());
101	}
102
103
104	void RWStepShape_RWEdgeCurve::Share(const Handle(StepShape_EdgeCurve)& ent, Interface_EntityIterator& iter) const
105	{
106
107	iter.GetOneItem(ent->EdgeStart());
108
109
110	iter.GetOneItem(ent->EdgeEnd());
111
112
113	iter.GetOneItem(ent->EdgeGeometry());
114	}
115
116
117
118	void RWStepShape_RWEdgeCurve::Check
119	(const Handle(StepShape_EdgeCurve)& ent,
120	const Interface_ShareTool& aShto,
121	Handle(Interface_Check)& ach) const
122	{
04232180	123	// std::cout << "------ calling CheckEdgeCurve ------" << std::endl;
7fd59977	124
	125	Handle(StepShape_OrientedEdge) theOE1, theOE2;
	126	Handle(StepShape_FaceBound) theFOB1, theFOB2;
	127	//Handle(StepShape_FaceSurface) theFS1, theFS2;
	128
	129	Standard_Boolean theOEOri1 = Standard_True;
	130	Standard_Boolean theOEOri2 = Standard_True;
	131	Standard_Boolean theFBOri1 = Standard_True;
	132	Standard_Boolean theFBOri2 = Standard_True;
	133	//Standard_Boolean theFSOri1 = Standard_True;
	134	//Standard_Boolean theFSOri2 = Standard_True;
	135	Standard_Boolean Cumulated1, Cumulated2;
	136
	137	// 1- First Vertex != LastVertex but First VertexPoint == Last VertexPoint
316ea293	138	// Remark : time consuming process but useful !
7fd59977	139	// If this append, we can drop one of the two vertices and replace it
	140	// everywhere it is referenced. Side effect : tolerance problem !!!
	141
	142	Handle(StepShape_VertexPoint) StartVertex =
	143	Handle(StepShape_VertexPoint)::DownCast(ent->EdgeStart());
	144	Handle(StepShape_VertexPoint) EndVertex =
	145	Handle(StepShape_VertexPoint)::DownCast(ent->EdgeEnd());
	146
	147	if (StartVertex != EndVertex) {
	148
	149	Handle(StepGeom_CartesianPoint) StartPoint =
	150	Handle(StepGeom_CartesianPoint)::DownCast(StartVertex->VertexGeometry());
	151	Handle(StepGeom_CartesianPoint) EndPoint =
	152	Handle(StepGeom_CartesianPoint)::DownCast(EndVertex->VertexGeometry());
	153
	154	// it can also be a degenerated pcurve
	155
	156	if (!StartPoint.IsNull() && !EndPoint.IsNull()) {
	157	Standard_Real Dist = Sqrt
	158	((StartPoint->CoordinatesValue(1) - EndPoint->CoordinatesValue(1)) *
	159	(StartPoint->CoordinatesValue(1) - EndPoint->CoordinatesValue(1)) +
	160	(StartPoint->CoordinatesValue(2) - EndPoint->CoordinatesValue(2)) *
	161	(StartPoint->CoordinatesValue(2) - EndPoint->CoordinatesValue(2)) +
	162	(StartPoint->CoordinatesValue(3) - EndPoint->CoordinatesValue(3)) *
	163	(StartPoint->CoordinatesValue(3) - EndPoint->CoordinatesValue(3)));
	164	if (Dist < Precision::Confusion() ) {
	165	ach->AddWarning("Two instances of Vertex have equal (within uncertainty) coordinates");
	166	}
	167	}
	168	}
	169
	170	// 2- Two-Manifold Topology
	171
	172	Standard_Boolean sharEC = aShto.IsShared(ent);
	173	Standard_Integer nbRef;
	174	if(!sharEC){
	175	ach->AddFail("ERROR: EdgeCurve not referenced");
	176	}
	177	else {
	178	Interface_EntityIterator myShRef = aShto.Sharings(ent);
	179	myShRef.SelectType (STANDARD_TYPE(StepShape_OrientedEdge),Standard_True);
	180	nbRef = myShRef.NbEntities();
	181	if (nbRef ==2) {
	182	theOE1 = Handle(StepShape_OrientedEdge)::DownCast(myShRef.Value());
	183	theOEOri1 = theOE1->Orientation();
	184	myShRef.Next();
	185	theOE2 = Handle(StepShape_OrientedEdge)::DownCast(myShRef.Value());
	186	theOEOri2 = theOE2->Orientation();
	187
	188	// get the FaceBound orientation for theOE1
	189
	190	Standard_Boolean sharOE1 = aShto.IsShared(theOE1);
	191	if(!sharOE1){
0797d9d3	192	#ifdef OCCT_DEBUG
04232180	193	std::cout << "OrientedEdge1 not shared" <<std::endl;
7fd59977	194	#endif
	195	}
	196	else {
	197	myShRef = aShto.Sharings(theOE1);
	198	myShRef.SelectType (STANDARD_TYPE(StepShape_EdgeLoop),Standard_True);
	199	nbRef = myShRef.NbEntities();
	200	if (nbRef == 1) {
	201	myShRef.Start();
	202	Handle(StepShape_EdgeLoop) theEL1 =
	203	Handle(StepShape_EdgeLoop)::DownCast(myShRef.Value());
	204	Standard_Boolean sharEL1 = aShto.IsShared(theEL1);
	205	if(!sharEL1) {
0797d9d3	206	#ifdef OCCT_DEBUG
04232180	207	std::cout << "EdgeLoop1 not shared" <<std::endl;
7fd59977	208	#endif
	209	}
	210	else {
	211	myShRef = aShto.Sharings(theEL1);
	212	myShRef.SelectType (STANDARD_TYPE(StepShape_FaceBound),Standard_True);
0797d9d3	213	#ifdef OCCT_DEBUG
7fd59977	214	nbRef =
	215	#endif
	216	myShRef.NbEntities();
	217	myShRef.Start();
	218	theFOB1 = Handle(StepShape_FaceBound)::DownCast(myShRef.Value());
	219	if (!theFOB1.IsNull()) {
	220	theFBOri1 = theFOB1->Orientation();
	221	}
	222	else {
0797d9d3	223	#ifdef OCCT_DEBUG
04232180	224	std::cout << "EdgeLoop not referenced by FaceBound" << std::endl;
7fd59977	225	#endif
	226	}
	227	}
	228	}
	229	else {
	230	if (nbRef == 0) {
0797d9d3	231	#ifdef OCCT_DEBUG
04232180	232	std::cout << "OrientedEdge not referenced" << std::endl;
7fd59977	233	#endif
	234	}
	235	else {
	236	if (aShto.NbTypedSharings(theOE1,
	237	STANDARD_TYPE(StepShape_EdgeLoop)) > 1) {
0797d9d3	238	#ifdef OCCT_DEBUG
04232180	239	std::cout << "OrientedEdge referenced more than once" << std::endl;
7fd59977	240	#endif
	241	}
	242	}
	243	}
	244	}
	245
	246	// get the FaceBound orientation for theOE2
	247
	248	Standard_Boolean sharOE2 = aShto.IsShared(theOE2);
	249	if(!sharOE2){
0797d9d3	250	#ifdef OCCT_DEBUG
04232180	251	std::cout << "OrientedEdge2 not shared" <<std::endl;
7fd59977	252	#endif
	253	}
	254	else {
	255	myShRef = aShto.Sharings(theOE2);
0797d9d3	256	#ifdef OCCT_DEBUG
7fd59977	257	// Standard_Integer nbRef =
	258	#endif
	259	// unused myShRef.NbEntities();
	260	myShRef.Start();
	261	Handle(StepShape_EdgeLoop) theEL2 =
	262	Handle(StepShape_EdgeLoop)::DownCast(myShRef.Value());
	263	Standard_Boolean sharEL2 = aShto.IsShared(theEL2);
	264	if(!sharEL2){
0797d9d3	265	#ifdef OCCT_DEBUG
04232180	266	std::cout << "EdgeLoop2 not shared" <<std::endl;
7fd59977	267	#endif
	268	}
	269	else {
	270	myShRef = aShto.Sharings(theEL2);
	271	// unused Standard_Integer nbRef = myShRef.NbEntities();
	272	myShRef.Start();
	273	theFOB2 = Handle(StepShape_FaceBound)::DownCast(myShRef.Value());
	274	if (!theFOB2.IsNull()) {
	275	theFBOri2 = theFOB2->Orientation();
	276	}
	277	else {
0797d9d3	278	#ifdef OCCT_DEBUG
04232180	279	std::cout << "EdgeLoop not referenced by FaceBound" << std::endl;
7fd59977	280	#endif
	281	}
	282	}
	283	}
	284
	285	// "cumulate" the FaceBound and the OrientedEdge orientation
	286
	287	Cumulated1 = theFBOri1 ^ theOEOri1;
	288	Cumulated2 = theFBOri2 ^ theOEOri2;
	289
	290	// the orientation of the OrientedEdges must be opposite
	291
	292	if (Cumulated1 == Cumulated2) {
	293	ach->AddFail("ERROR: non 2-manifold topology");
	294	}
	295	}
	296	}
	297	}
	298