geom/src/GEOMImpl/GEOMImpl_BlockDriver.cxx
2014-08-07 13:58:48 +04:00

1162 lines
41 KiB
C++

// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
#include <Standard_Stream.hxx>
#include <BRepOffsetAPI_MakeFilling.hxx>
#include <GEOMImpl_BlockDriver.hxx>
#include <GEOMImpl_IBlocks.hxx>
#include <GEOMImpl_IBlockTrsf.hxx>
#include <GEOMImpl_GlueDriver.hxx>
#include <GEOMImpl_Types.hxx>
#include <GEOMImpl_ILocalOperations.hxx>
#include <GEOMImpl_Block6Explorer.hxx>
#include <GEOMImpl_IBlocksOperations.hxx>
#include <GEOM_Function.hxx>
#include <ShHealOper_Sewing.hxx>
#include <ShHealOper_ShapeProcess.hxx>
//#include <GEOMAlgo_Gluer.hxx>
#include <BlockFix_BlockFixAPI.hxx>
#include <BlockFix_UnionFaces.hxx>
#include "utilities.h"
#include <TNaming_CopyShape.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <BRepLib.hxx>
#include <BRep_Tool.hxx>
#include <BRepTools.hxx>
#include <BRepGProp.hxx>
#include <BRep_Builder.hxx>
#include <BRepTools_Quilt.hxx>
#include <BRepTools_WireExplorer.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeWire.hxx>
#include <BRepBuilderAPI_MakePolygon.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepCheck_Analyzer.hxx>
#include <BRepClass_FaceClassifier.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
#include <BRepExtrema_ExtPF.hxx>
#include <BRepExtrema_DistShapeShape.hxx>
#include <TopAbs.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Wire.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Solid.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_MapIteratorOfMapOfShape.hxx>
#include <TopTools_Array1OfShape.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <GProp_GProps.hxx>
#include <Geom_Line.hxx>
#include <GC_MakeLine.hxx>
#include <gp.hxx>
#include <gp_Pnt.hxx>
#include <gp_Ax3.hxx>
#include <Precision.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <TColStd_Array1OfInteger.hxx>
#include <TColStd_IndexedDataMapOfTransientTransient.hxx>
#include <StdFail_NotDone.hxx>
#include <Standard_NullObject.hxx>
#include <Standard_TypeMismatch.hxx>
#include <Standard_ConstructionError.hxx>
//=======================================================================
//function : GetID
//purpose :
//=======================================================================
const Standard_GUID& GEOMImpl_BlockDriver::GetID()
{
static Standard_GUID aBlockDriver("FF1BBB67-5D14-4df2-980B-3A668264EA16");
return aBlockDriver;
}
//=======================================================================
//function : GEOMImpl_BlockDriver
//purpose :
//=======================================================================
GEOMImpl_BlockDriver::GEOMImpl_BlockDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_BlockDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
BRep_Builder B;
Standard_Real prec = Precision::Confusion();
Standard_Integer aNbSub = 0;
if (aType == BLOCK_COMPOUND_GLUE) {
aNbSub = 1;
} else if (aType == BLOCK_FACE_TWO_EDGES ||
aType == BLOCK_TWO_FACES) {
aNbSub = 2;
} else if (aType == BLOCK_FACE_FOUR_PNT ||
aType == BLOCK_FACE_FOUR_EDGES) {
aNbSub = 4;
} else if (aType == BLOCK_SIX_FACES) {
aNbSub = 6;
} else {
}
if (aNbSub > 0) {
GEOMImpl_IBlocks aCI (aFunction);
Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
Standard_Integer nbshapes = aShapes->Length();
if (nbshapes != aNbSub) {
Standard_TypeMismatch::Raise
("Number of elements for object construction does not correspond to the used constructor");
}
TopTools_Array1OfShape anArgs (1, aNbSub);
Standard_Integer argi;
for (argi = 1; argi <= aNbSub; argi++) {
Handle(GEOM_Function) aRef = Handle(GEOM_Function)::DownCast(aShapes->Value(argi));
TopoDS_Shape anArg = aRef->GetValue();
if (anArg.IsNull()) {
Standard_NullObject::Raise("Null shape is given as argument");
}
anArgs(argi) = anArg;
}
if (aType == BLOCK_FACE_FOUR_EDGES) {
// Make face from four edges
if (anArgs(1).ShapeType() != TopAbs_EDGE || anArgs(2).ShapeType() != TopAbs_EDGE ||
anArgs(3).ShapeType() != TopAbs_EDGE || anArgs(4).ShapeType() != TopAbs_EDGE) {
Standard_TypeMismatch::Raise("Shape for face construction is not an edge");
}
// count corner vertices
TopTools_MapOfShape aVertMap;
for (Standard_Integer ii = 1; ii <= 4; ii++) {
TopoDS_Edge anEdge = TopoDS::Edge(anArgs(ii));
TopoDS_Vertex V1, V2;
TopExp::Vertices(anEdge, V1, V2, Standard_True);
if (V1.IsNull() || V2.IsNull()) {
Standard_NullObject::Raise("Bad edge for face construction: vertex is not defined");
}
if (BRepTools::Compare(V1,V2)) {
Standard_ConstructionError::Raise("Edge ends are too close");
}
Standard_Boolean isCoin1 = Standard_False, isCoin2 = Standard_False;
TopTools_MapIteratorOfMapOfShape anIter (aVertMap);
for (; anIter.More(); anIter.Next()) {
TopoDS_Vertex V = TopoDS::Vertex(anIter.Key());
if (BRepTools::Compare(V,V1)) isCoin1 = Standard_True;
if (BRepTools::Compare(V,V2)) isCoin2 = Standard_True;
}
if (!isCoin1) aVertMap.Add(V1);
if (!isCoin2) aVertMap.Add(V2);
}
if (aVertMap.Extent() != 4) {
Standard_ConstructionError::Raise("The edges must form a closed wire");
}
TopoDS_Edge anEdge1 = TopoDS::Edge(anArgs(1));
TopoDS_Edge anEdge2 = TopoDS::Edge(anArgs(2));
TopoDS_Edge anEdge3 = TopoDS::Edge(anArgs(3));
TopoDS_Edge anEdge4 = TopoDS::Edge(anArgs(4));
// check, if anEdge1 has common/coincident vertex with anEdge2,
Standard_Boolean isConnected12 = Standard_False;
TopoDS_Vertex V11, V12, V21, V22;
TopExp::Vertices(anEdge1, V11, V12, Standard_True);
TopExp::Vertices(anEdge2, V21, V22, Standard_True);
if (BRepTools::Compare(V11,V21) || BRepTools::Compare(V11,V22) ||
BRepTools::Compare(V12,V21) || BRepTools::Compare(V12,V22)) {
// the edges have common vertex
isConnected12 = Standard_True;
}
// build wire in right order, corresponding to edges connexity
BRepBuilderAPI_MakeWire* MW;
if (isConnected12)
MW = new BRepBuilderAPI_MakeWire(anEdge1, anEdge2, anEdge3, anEdge4);
else
MW = new BRepBuilderAPI_MakeWire(anEdge1, anEdge3, anEdge2, anEdge4);
if (!MW->IsDone()) {
Standard_ConstructionError::Raise
("Impossible to build a connected wire from the given edges");
}
TopoDS_Wire aWire = *MW;
delete MW;
// check the wire closure
TopoDS_Vertex aV1, aV2;
TopExp::Vertices(aWire, aV1, aV2);
if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
aWire.Closed( true );
if (!aWire.Closed()) {
Standard_ConstructionError::Raise
("Impossible to build a closed wire from the given edges");
}
// try to build face on the wire
GEOMImpl_Block6Explorer::MakeFace(aWire, Standard_False, aShape);
if (aShape.IsNull()) {
Standard_ConstructionError::Raise("Face construction failed");
}
} else if (aType == BLOCK_FACE_TWO_EDGES) {
// Make face from two opposite edges
if (anArgs(1).ShapeType() != TopAbs_EDGE ||
anArgs(2).ShapeType() != TopAbs_EDGE) {
Standard_TypeMismatch::Raise("Shape for face construction is not an edge");
}
TopoDS_Edge anEdge1 = TopoDS::Edge(anArgs(1));
TopoDS_Edge anEdge2 = TopoDS::Edge(anArgs(2));
if (anEdge1.IsSame(anEdge2)) {
Standard_ConstructionError::Raise("The edges must be different");
}
// create two edges, linking ends of the given edges
TopoDS_Vertex V11, V12, V21, V22;
TopExp::Vertices(anEdge1, V11, V12, Standard_False);
TopExp::Vertices(anEdge2, V21, V22, Standard_False);
if (V11.IsNull() || V12.IsNull() ||
V21.IsNull() || V22.IsNull()) {
Standard_NullObject::Raise("Bad edge for face construction: vertex is not defined");
}
BRepAdaptor_Curve C1 (anEdge1);
BRepAdaptor_Curve C2 (anEdge2);
gp_Pnt P11, P12, P21, P22;
// Mantis issue 0020599: Creation of a quadrangle face from 2 edges: SIGSEGV
P11 = C1.Value(C1.FirstParameter());
P12 = C1.Value(C1.LastParameter());
P21 = C2.Value(C2.FirstParameter());
P22 = C2.Value(C2.LastParameter());
//gp_Pnt P11 = BRep_Tool::Pnt(V11);
//gp_Pnt P12 = BRep_Tool::Pnt(V12);
//gp_Pnt P21 = BRep_Tool::Pnt(V21);
//gp_Pnt P22 = BRep_Tool::Pnt(V22);
if (P11.Distance(P21) < prec || P12.Distance(P22) < prec ||
P11.Distance(P22) < prec || P12.Distance(P21) < prec) {
Standard_ConstructionError::Raise("Given edges have too close ends");
}
Standard_Real per11 = P11.Distance(P21) + P12.Distance(P22);
Standard_Real per12 = P11.Distance(P22) + P12.Distance(P21);
BRep_Builder BB;
TopoDS_Edge anEdge3;
TopoDS_Edge anEdge4;
// Mantis issue 0020599: Creation of a quadrangle face from 2 edges: SIGSEGV
if (per11 < per12) {
Handle(Geom_Line) Line1 = GC_MakeLine(P11, P21).Value();
Handle(Geom_Line) Line2 = GC_MakeLine(P12, P22).Value();
BB.MakeEdge(anEdge3, Line1, Precision::Confusion());
BB.Range(anEdge3, 0., P11.Distance(P21));
BB.Add(anEdge3, V11.Oriented(TopAbs_FORWARD));
BB.Add(anEdge3, V21.Oriented(TopAbs_REVERSED));
BB.MakeEdge(anEdge4, Line2, Precision::Confusion());
BB.Range(anEdge4, 0., P12.Distance(P22));
BB.Add(anEdge4, V12.Oriented(TopAbs_FORWARD));
BB.Add(anEdge4, V22.Oriented(TopAbs_REVERSED));
}
else {
Handle(Geom_Line) Line1 = GC_MakeLine(P11, P22).Value();
Handle(Geom_Line) Line2 = GC_MakeLine(P12, P21).Value();
BB.MakeEdge(anEdge3, Line1, Precision::Confusion());
BB.Range(anEdge3, 0., P11.Distance(P22));
BB.Add(anEdge3, V11.Oriented(TopAbs_FORWARD));
BB.Add(anEdge3, V22.Oriented(TopAbs_REVERSED));
BB.MakeEdge(anEdge4, Line2, Precision::Confusion());
BB.Range(anEdge4, 0., P12.Distance(P21));
BB.Add(anEdge4, V12.Oriented(TopAbs_FORWARD));
BB.Add(anEdge4, V21.Oriented(TopAbs_REVERSED));
}
//if (per11 < per12) {
// anEdge3 = BRepBuilderAPI_MakeEdge(V11, V21);
// anEdge4 = BRepBuilderAPI_MakeEdge(V12, V22);
//} else {
// anEdge3 = BRepBuilderAPI_MakeEdge(V11, V22);
// anEdge4 = BRepBuilderAPI_MakeEdge(V12, V21);
//}
// build a wire
BRepBuilderAPI_MakeWire* MW;
MW = new BRepBuilderAPI_MakeWire(anEdge1, anEdge3, anEdge2, anEdge4);
if (!MW->IsDone()) {
Standard_ConstructionError::Raise("Wire construction failed");
}
TopoDS_Wire aWire = *MW;
delete MW;
TopoDS_Vertex aV1, aV2;
TopExp::Vertices(aWire, aV1, aV2);
if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
aWire.Closed( true );
if (!aWire.Closed()) {
Standard_ConstructionError::Raise
("Impossible to build a closed wire from the given edges");
}
// try to build face on the wire
GEOMImpl_Block6Explorer::MakeFace(aWire, Standard_False, aShape);
if (aShape.IsNull()) {
Standard_ConstructionError::Raise("Face construction failed");
}
} else if (aType == BLOCK_FACE_FOUR_PNT) {
// Make face from four corner vertices
if (anArgs(1).ShapeType() != TopAbs_VERTEX ||
anArgs(2).ShapeType() != TopAbs_VERTEX ||
anArgs(3).ShapeType() != TopAbs_VERTEX ||
anArgs(4).ShapeType() != TopAbs_VERTEX) {
Standard_TypeMismatch::Raise("Shape for face construction is not a vertex");
}
TopoDS_Vertex V1 = TopoDS::Vertex(anArgs(1));
TopoDS_Vertex V2 = TopoDS::Vertex(anArgs(2));
TopoDS_Vertex V3 = TopoDS::Vertex(anArgs(3));
TopoDS_Vertex V4 = TopoDS::Vertex(anArgs(4));
gp_Pnt P1 = BRep_Tool::Pnt(V1);
gp_Pnt P2 = BRep_Tool::Pnt(V2);
gp_Pnt P3 = BRep_Tool::Pnt(V3);
gp_Pnt P4 = BRep_Tool::Pnt(V4);
if (P1.Distance(P2) < prec || P1.Distance(P3) < prec ||
P1.Distance(P4) < prec || P2.Distance(P3) < prec ||
P2.Distance(P4) < prec || P3.Distance(P4) < prec) {
Standard_ConstructionError::Raise("Four not coincident points must be given");
}
// calculate perimeters
Standard_Real per1234 = P1.Distance(P2) + P2.Distance(P3) +
P3.Distance(P4) + P4.Distance(P1);
Standard_Real per1243 = P1.Distance(P2) + P2.Distance(P4) +
P4.Distance(P3) + P3.Distance(P1);
Standard_Real per1324 = P1.Distance(P3) + P3.Distance(P2) +
P2.Distance(P4) + P4.Distance(P1);
// order vertices
if (per1243 < per1234 && per1243 < per1324) {
TopoDS_Vertex Vtmp = V3;
V3 = V4;
V4 = Vtmp;
} else if (per1324 < per1234 && per1324 < per1243) {
TopoDS_Vertex Vtmp = V3;
V3 = V2;
V2 = Vtmp;
} else {
}
// build wire
BRepBuilderAPI_MakePolygon aMkPoly (V1, V2, V3, V4, Standard_True);
if (!aMkPoly.IsDone()) {
Standard_ConstructionError::Raise("Polygon construction failed");
}
// try to build face on the wire
aMkPoly.Close();
GEOMImpl_Block6Explorer::MakeFace(aMkPoly, Standard_False, aShape);
if (aShape.IsNull()) {
Standard_ConstructionError::Raise("Face construction failed");
}
} else if (aType == BLOCK_SIX_FACES || aType == BLOCK_TWO_FACES) {
BRepTools_Quilt Glue;
if (aType == BLOCK_SIX_FACES) {
// Make block (hexahedral solid) from six faces
for (Standard_Integer ind = 1; ind <= nbshapes; ind++) {
if (anArgs(ind).ShapeType() != TopAbs_FACE) {
Standard_TypeMismatch::Raise("Shape for block construction is not a face");
}
Glue.Add(anArgs(ind));
}
}
else {
// Make block (hexahedral solid) from two opposite faces
if (anArgs(1).ShapeType() != TopAbs_FACE ||
anArgs(2).ShapeType() != TopAbs_FACE) {
Standard_TypeMismatch::Raise("Shape for block construction is not a face");
}
// Get wires of the given faces
TopExp_Explorer wires1 (anArgs(1), TopAbs_WIRE);
TopExp_Explorer wires2 (anArgs(2), TopAbs_WIRE);
if (!wires1.More() || !wires2.More()) {
Standard_ConstructionError::Raise("A face for the block has no wires");
}
TopoDS_Shape aWire1 = wires1.Current();
TopoDS_Shape aWire2 = wires2.Current();
wires1.Next();
wires2.Next();
if (wires1.More() || wires2.More()) {
Standard_ConstructionError::Raise("A face for the block has more than one wire");
}
GEOMImpl_Block6Explorer aBlockTool;
aBlockTool.InitByTwoFaces(anArgs(1), anArgs(2));
// Construct the linking faces and add them in the gluing tool
Glue.Add(anArgs(1));
Glue.Add(aBlockTool.GetFace(3, Standard_True));
Glue.Add(aBlockTool.GetFace(4, Standard_True));
Glue.Add(aBlockTool.GetFace(5, Standard_True));
Glue.Add(aBlockTool.GetFace(6, Standard_True));
Glue.Add(anArgs(2));
}
TopExp_Explorer exp (Glue.Shells(), TopAbs_SHELL);
Standard_Integer ish = 0;
TopTools_MapOfShape mapShape;
for (; exp.More(); exp.Next()) {
if (mapShape.Add(exp.Current())) {
aShape = exp.Current();
ish++;
}
}
if (ish > 1) {
aShape = Glue.Shells();
Standard_Real aTol = prec; // Precision::Confusion()
TopExp_Explorer expF (aShape, TopAbs_FACE);
TopTools_MapOfShape mapF;
TopoDS_Shell Shell;
B.MakeShell(Shell);
for (; expF.More(); expF.Next()) {
if (mapF.Add(expF.Current())) {
B.Add(Shell, expF.Current());
Standard_Real aToler = BRep_Tool::Tolerance(TopoDS::Face(expF.Current()));
if (aToler > aTol)
aTol = aToler;
}
}
ShHealOper_Sewing aHealer (Shell, aTol);
if (aHealer.Perform())
aShape = aHealer.GetResultShape();
else
Standard_ConstructionError::Raise
("Impossible to build a connected shell on the given faces");
}
if (aType == BLOCK_SIX_FACES) {
if (!aShape.Closed()) {
Standard_ConstructionError::Raise
("Impossible to build a closed shell on the given faces");
}
}
TopoDS_Solid Sol;
B.MakeSolid(Sol);
B.Add(Sol, aShape);
BRepClass3d_SolidClassifier SC (Sol);
SC.PerformInfinitePoint(prec);
if (SC.State() == TopAbs_IN) {
B.MakeSolid(Sol);
B.Add(Sol, aShape.Reversed());
}
aShape = Sol;
BRepLib::SameParameter(aShape, 1.E-5, Standard_True);
}
else if (aType == BLOCK_COMPOUND_GLUE) {
// Make blocks compound from a compound
if (anArgs(1).ShapeType() != TopAbs_COMPOUND &&
anArgs(2).ShapeType() != TopAbs_COMPSOLID) {
Standard_TypeMismatch::Raise("Not a compound given");
}
TopoDS_Shape aCompound = anArgs(1);
// Glue coincident faces and edges
aShape = GEOMImpl_GlueDriver::GlueFaces(aCompound, Precision::Confusion(), Standard_True);
//GEOMAlgo_Gluer aGluer;
//aGluer.SetShape(aCompound);
//aGluer.SetCheckGeometry(Standard_True);
//aGluer.Perform();
//aShape = aGluer.Result();
}
else {
}
} else { // Multi-transformations and compound improving
if (aType == BLOCK_REMOVE_EXTRA ||
aType == BLOCK_COMPOUND_IMPROVE) {
GEOMImpl_IBlockTrsf aCI (aFunction);
Handle(GEOM_Function) aRefShape = aCI.GetOriginal();
TopoDS_Shape aBlockOrComp = aRefShape->GetValue();
if (aBlockOrComp.IsNull()) {
Standard_NullObject::Raise("Null Shape given");
}
// Copy shape to avoid problems (Mantis issue 0021683)
TopoDS_Shape aShapeCopy;
TColStd_IndexedDataMapOfTransientTransient aMapTShapes;
TNaming_CopyShape::CopyTool(aBlockOrComp, aMapTShapes, aShapeCopy);
aBlockOrComp = aShapeCopy;
// 1. Improve solids with seam and/or degenerated edges
BlockFix_BlockFixAPI aTool;
//aTool.Tolerance() = toler;
aTool.OptimumNbFaces() = aCI.GetOptimumNbFaces();
aTool.SetShape(aBlockOrComp);
aTool.Perform();
TopoDS_Shape aFixedExtra = aTool.Shape();
// Repair result
BRepCheck_Analyzer ana (aFixedExtra, false);
if (!ana.IsValid()) {
TopoDS_Shape aFixed;
ShHealOper_ShapeProcess aHealer;
aHealer.Perform(aFixedExtra, aFixed);
if (aHealer.isDone())
aFixedExtra = aFixed;
}
if (aType == BLOCK_REMOVE_EXTRA)
{
aShape = aFixedExtra;
if (aShape == aBlockOrComp) {
MESSAGE("No modifications have been done");
}
}
else // aType == BLOCK_COMPOUND_IMPROVE
{
// 2. Separate non-blocks
TopTools_ListOfShape BLO; // All blocks from the given compound
TopTools_ListOfShape NOT; // Not blocks
TopTools_ListOfShape EXT; // Hexahedral solids, having degenerated and/or seam edges
TopTools_ListOfShape NOQ; // All non-quadrangular faces
GEOMImpl_IBlocksOperations::AddBlocksFrom(aFixedExtra, BLO, NOT, EXT, NOQ);
if (NOT.Extent() > 0) {
MESSAGE("Some non-blocks have been removed");
}
// 3. Warn about staying extra-edges
if (EXT.Extent() > 0) {
MESSAGE("Warning: Not all seam or degenerated edges was removed");
}
// ??? Throw away standalone blocks ???
// 4. Create compound of all blocks
TopoDS_Compound aComp;
BRep_Builder BB;
BB.MakeCompound(aComp);
TopTools_ListIteratorOfListOfShape BLOit (BLO);
for (; BLOit.More(); BLOit.Next()) {
BB.Add(aComp, BLOit.Value());
}
// 5. Glue Faces
aShape = GEOMImpl_GlueDriver::GlueFaces(aComp, Precision::Confusion(), Standard_False);
}
} else if (aType == BLOCK_MULTI_TRANSFORM_1D ||
aType == BLOCK_MULTI_TRANSFORM_2D) {
TopoDS_Shape aMulti;
GEOMImpl_IBlockTrsf aCI (aFunction);
Handle(GEOM_Function) aRefShape = aCI.GetOriginal();
TopoDS_Shape aBlockIni = aRefShape->GetValue();
if (aBlockIni.IsNull()) {
Standard_NullObject::Raise("Null Block");
}
// Copy block to avoid problems (PAL6706)
TColStd_IndexedDataMapOfTransientTransient aMap;
TopoDS_Shape aBlock;
TNaming_CopyShape::CopyTool(aBlockIni, aMap, aBlock);
// Block tolerance in vertices
Standard_Real aTol = prec;
TopExp_Explorer expV (aBlock, TopAbs_VERTEX);
TopTools_MapOfShape mapShape;
for (; expV.More(); expV.Next()) {
if (mapShape.Add(expV.Current())) {
TopoDS_Vertex aV = TopoDS::Vertex(expV.Current());
aTol = Max(BRep_Tool::Tolerance(aV), aTol);
}
}
if (aType == BLOCK_MULTI_TRANSFORM_1D) {
// Retrieve a faces by Ids
Standard_Integer aFace1Id = aCI.GetFace1U();
Standard_Integer aFace2Id = aCI.GetFace2U();
TopoDS_Shape aFace1, aFace2;
if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace1Id, aFace1)) {
Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
}
if (aFace1.ShapeType() != TopAbs_FACE) {
Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
}
if (aFace2Id > 0) {
if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace2Id, aFace2)) {
Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
}
if (aFace2.ShapeType() != TopAbs_FACE) {
Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
}
}
Standard_Integer aNbIter = aCI.GetNbIterU();
MultiTransformate1D(aBlock, aFace1, aFace2, aNbIter, aMulti);
} else { // aType == BLOCK_MULTI_TRANSFORM_2D
// Retrieve a faces by Ids
Standard_Integer aFace1UId = aCI.GetFace1U();
Standard_Integer aFace2UId = aCI.GetFace2U();
Standard_Integer aFace1VId = aCI.GetFace1V();
Standard_Integer aFace2VId = aCI.GetFace2V();
TopoDS_Shape aFace1U, aFace2U, aFace1V, aFace2V;
if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace1UId, aFace1U) ||
!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace1VId, aFace1V)) {
Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
}
if (aFace1U.ShapeType() != TopAbs_FACE ||
aFace1V.ShapeType() != TopAbs_FACE) {
Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
}
if (aFace2UId > 0) {
if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace2UId, aFace2U)) {
Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
}
if (aFace2U.ShapeType() != TopAbs_FACE) {
Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
}
}
if (aFace2VId > 0) {
if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace2VId, aFace2V)) {
Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
}
if (aFace2V.ShapeType() != TopAbs_FACE) {
Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
}
}
Standard_Integer aNbIterU = aCI.GetNbIterU();
Standard_Integer aNbIterV = aCI.GetNbIterV();
MultiTransformate2D(aBlock,
aFace1U, aFace2U, aNbIterU,
aFace1V, aFace2V, aNbIterV, aMulti);
}
if (aMulti.IsNull()) {
StdFail_NotDone::Raise("Multi-transformation failed");
}
// Glue faces of the multi-block
aShape = GEOMImpl_GlueDriver::GlueFaces(aMulti, aTol, Standard_False);
} else if (aType == BLOCK_UNION_FACES) {
GEOMImpl_IBlockTrsf aCI (aFunction);
Handle(GEOM_Function) aRefShape = aCI.GetOriginal();
TopoDS_Shape aBlockOrComp = aRefShape->GetValue();
if (aBlockOrComp.IsNull()) {
Standard_NullObject::Raise("Null Shape given");
}
BlockFix_UnionFaces aFaceUnifier;
aFaceUnifier.GetOptimumNbFaces() = 0; // To force union faces.
aShape = aFaceUnifier.Perform(aBlockOrComp);
} else { // unknown function type
return 0;
}
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : MultiTransformate1D
//purpose :
//=======================================================================
void GEOMImpl_BlockDriver::MultiTransformate1D (const TopoDS_Shape& theBlock,
const TopoDS_Shape& theFace1,
const TopoDS_Shape& theFace2,
const Standard_Integer theNbIter,
TopoDS_Shape& theResult) const
{
// Construct Tool, where <theFace1> will be the first face,
// and a face, opposite to <theFace1>, will be the second face
GEOMImpl_Block6Explorer aBlockTool;
aBlockTool.InitByBlockAndFace(theBlock, theFace1);
// Find IDs of the faces
Standard_Integer dir_face1 = 1, dir_face2 = 2;
if (!theFace2.IsNull()) {
dir_face2 = aBlockTool.GetFaceID(theFace2);
}
// Find three pairs of points
Standard_Integer v11_id = 0, v12_id = 0, v13_id = 0; // vertices of the first face
Standard_Integer v21_id = 0, v22_id = 0, v23_id = 0; // vertices of the second face
if (dir_face2 == 2) { // <theFace2> is opposite to <theFace1>
// We will take vertices with equal local numbers on the faces,
// as the Block6Explorer gives equal local numbers
// to the linked vertices on the opposite faces,
// i.e. v1* is linked with the v2* by an edge:
// _________
// /|v23 /|
// / | / | dir_face1 - bottom
// / | / |
// /________ / | dir_face2 - top
// |v21 | |v22 |
// | |____|____|
// | / v13 | /
// | / | /
// | / | /
// |/________|/
// v11 v12
v11_id = aBlockTool.GetVertexID(dir_face1, 1);
v12_id = aBlockTool.GetVertexID(dir_face1, 2);
v13_id = aBlockTool.GetVertexID(dir_face1, 4);
v21_id = aBlockTool.GetVertexID(dir_face2, 1);
v22_id = aBlockTool.GetVertexID(dir_face2, 2);
v23_id = aBlockTool.GetVertexID(dir_face2, 4);
} else {
// _________
// /| /|
// / | / | dir_face1 - bottom
// / | / |
// /________ / | dir_face2 - right (for example)
// | | |v23 |
// | |____|____|
// | / | /v12 = v22 (common_vertex2)
// | / | /
// | / | /
// |/________|/
// v13 v11 = v21 (common_vertex1)
Standard_Integer common_edge_id = aBlockTool.FindCommonEdgeID(dir_face1, dir_face2);
Standard_Integer common_vertex1 = aBlockTool.GetVertexOnEdgeID(common_edge_id, 1);
Standard_Integer common_vertex2 = aBlockTool.GetVertexOnEdgeID(common_edge_id, 2);
Standard_Integer not_common_v1 = 0;
Standard_Integer vid = 1;
Standard_Boolean isFound = Standard_False;
while (!isFound && vid <= 4) {
not_common_v1 = aBlockTool.GetVertexID(dir_face1, vid);
isFound = (not_common_v1 != common_vertex2 &&
aBlockTool.FindEdgeID(not_common_v1, common_vertex1) != 0);
vid++;
}
Standard_Integer not_common_v2 = 0;
vid = 1;
isFound = Standard_False;
while (!isFound && vid <= 4) {
not_common_v2 = aBlockTool.GetVertexID(dir_face2, vid);
isFound = (not_common_v2 != common_vertex2 &&
aBlockTool.FindEdgeID(not_common_v2, common_vertex1) != 0);
vid++;
}
v11_id = common_vertex1;
v12_id = common_vertex2;
v13_id = not_common_v1;
v21_id = common_vertex1;
v22_id = common_vertex2;
v23_id = not_common_v2;
}
// Construct a transformation operator
TopoDS_Vertex V11 = TopoDS::Vertex(aBlockTool.GetVertex(v11_id));
TopoDS_Vertex V12 = TopoDS::Vertex(aBlockTool.GetVertex(v12_id));
TopoDS_Vertex V13 = TopoDS::Vertex(aBlockTool.GetVertex(v13_id));
TopoDS_Vertex V21 = TopoDS::Vertex(aBlockTool.GetVertex(v21_id));
TopoDS_Vertex V22 = TopoDS::Vertex(aBlockTool.GetVertex(v22_id));
TopoDS_Vertex V23 = TopoDS::Vertex(aBlockTool.GetVertex(v23_id));
// Axes of the first direction face
gp_Pnt P1 = BRep_Tool::Pnt(V11);
gp_Vec VecN1 (P1, BRep_Tool::Pnt(V12));
gp_Vec VecX1 (P1, BRep_Tool::Pnt(V13));
gp_Ax3 Ax1 (P1, VecN1, VecX1);
// Axes of the second direction face
gp_Pnt P2 = BRep_Tool::Pnt(V21);
gp_Vec VecN2 (P2, BRep_Tool::Pnt(V22));
gp_Vec VecX2 (P2, BRep_Tool::Pnt(V23));
gp_Ax3 Ax2 (P2, VecN2, VecX2);
gp_Trsf aTrsf;
aTrsf.SetDisplacement(Ax1, Ax2);
// Check, that <theFace2> is similar to <theFace1>.
// Actually, we need only to check right position of one
// vertex, not involved into the transformation construction.
if (!aBlockTool.IsSimilarFaces(dir_face1, dir_face2, aTrsf)) {
Standard_ConstructionError::Raise("The direction faces are not similar");
}
// Perform multi-transformation
TopoDS_Compound aCompound;
BRep_Builder B;
B.MakeCompound(aCompound);
TopoDS_Shape aPrevShape = theBlock;
for (Standard_Integer i = 0; i < theNbIter; i++) {
B.Add(aCompound, aPrevShape);
BRepBuilderAPI_Transform aTransformation (aPrevShape, aTrsf, Standard_False);
aPrevShape = aTransformation.Shape();
}
theResult = aCompound;
}
//=======================================================================
//function : MultiTransformate2D
//purpose :
//=======================================================================
void GEOMImpl_BlockDriver::MultiTransformate2D (const TopoDS_Shape& theBlock,
const TopoDS_Shape& theFace1U,
const TopoDS_Shape& theFace2U,
const Standard_Integer theNbIterU,
const TopoDS_Shape& theFace1V,
const TopoDS_Shape& theFace2V,
const Standard_Integer theNbIterV,
TopoDS_Shape& theResult) const
{
// Construct Tool, where <theFace1U> will be the first face,
// and a face, opposite to <theFace1U>, will be the second face
GEOMImpl_Block6Explorer aBlockTool;
aBlockTool.InitByBlockAndFace(theBlock, theFace1U);
gp_Trsf aTrsfU, aTrsfV;
gp_Ax3 Ax1V, Ax2V;
for (Standard_Integer uv = 1; uv <= 2; uv++) {
// U transformation
TopoDS_Shape theFace1 = theFace1U;
TopoDS_Shape theFace2 = theFace2U;
if (uv == 2) {
// V transformation
theFace1 = theFace1V;
theFace2 = theFace2V;
}
// Find IDs of the faces
Standard_Integer dir_face1 = aBlockTool.GetFaceID(theFace1);
Standard_Integer dir_face2 = 0;
Standard_Integer opp_face1 = aBlockTool.GetOppositeFaceID(dir_face1);
if (theFace2.IsNull()) {
dir_face2 = opp_face1;
} else {
dir_face2 = aBlockTool.GetFaceID(theFace2);
}
// Find three pairs of points
Standard_Integer v11_id = 0, v12_id = 0, v13_id = 0; // vertices of the first face
Standard_Integer v21_id = 0, v22_id = 0, v23_id = 0; // vertices of the second face
if (dir_face2 == opp_face1) { // <theFace2> is opposite to <theFace1>
// We will take vertices with equal local numbers on the faces,
// as the Block6Explorer gives equal local numbers
// to the linked vertices on the opposite faces,
// i.e. v1* is linked with the v2* by an edge:
v11_id = aBlockTool.GetVertexID(dir_face1, 1);
v12_id = aBlockTool.GetVertexID(dir_face1, 2);
v13_id = aBlockTool.GetVertexID(dir_face1, 4);
v21_id = aBlockTool.GetVertexID(dir_face2, 1);
v22_id = aBlockTool.GetVertexID(dir_face2, 2);
v23_id = aBlockTool.GetVertexID(dir_face2, 4);
} else {
Standard_Integer common_edge_id = aBlockTool.FindCommonEdgeID(dir_face1, dir_face2);
Standard_Integer common_vertex1 = aBlockTool.GetVertexOnEdgeID(common_edge_id, 1);
Standard_Integer common_vertex2 = aBlockTool.GetVertexOnEdgeID(common_edge_id, 2);
Standard_Integer not_common_v1 = 0;
Standard_Integer vid = 1;
Standard_Boolean isFound = Standard_False;
while (!isFound && vid <= 4) {
not_common_v1 = aBlockTool.GetVertexID(dir_face1, vid);
isFound = (not_common_v1 != common_vertex2 &&
aBlockTool.FindEdgeID(not_common_v1, common_vertex1) != 0);
vid++;
}
Standard_Integer not_common_v2 = 0;
vid = 1;
isFound = Standard_False;
while (!isFound && vid <= 4) {
not_common_v2 = aBlockTool.GetVertexID(dir_face2, vid);
isFound = (not_common_v2 != common_vertex2 &&
aBlockTool.FindEdgeID(not_common_v2, common_vertex1) != 0);
vid++;
}
v11_id = common_vertex1;
v12_id = common_vertex2;
v13_id = not_common_v1;
v21_id = common_vertex1;
v22_id = common_vertex2;
v23_id = not_common_v2;
}
// Construct a transformation operator
TopoDS_Vertex V11 = TopoDS::Vertex(aBlockTool.GetVertex(v11_id));
TopoDS_Vertex V12 = TopoDS::Vertex(aBlockTool.GetVertex(v12_id));
TopoDS_Vertex V13 = TopoDS::Vertex(aBlockTool.GetVertex(v13_id));
TopoDS_Vertex V21 = TopoDS::Vertex(aBlockTool.GetVertex(v21_id));
TopoDS_Vertex V22 = TopoDS::Vertex(aBlockTool.GetVertex(v22_id));
TopoDS_Vertex V23 = TopoDS::Vertex(aBlockTool.GetVertex(v23_id));
// Axes of the first direction face
gp_Pnt P1 = BRep_Tool::Pnt(V11);
gp_Vec VecN1 (P1, BRep_Tool::Pnt(V12));
gp_Vec VecX1 (P1, BRep_Tool::Pnt(V13));
gp_Ax3 Ax1 (P1, VecN1, VecX1);
// Axes of the second direction face
gp_Pnt P2 = BRep_Tool::Pnt(V21);
gp_Vec VecN2 (P2, BRep_Tool::Pnt(V22));
gp_Vec VecX2 (P2, BRep_Tool::Pnt(V23));
gp_Ax3 Ax2 (P2, VecN2, VecX2);
gp_Trsf aTrsf;
aTrsf.SetDisplacement(Ax1, Ax2);
if (uv == 1) {
aTrsfU = aTrsf;
} else {
aTrsfV = aTrsf;
Ax1V = Ax1;
Ax2V = Ax2;
}
// Check, that <theFace2> is similar to <theFace1>.
// Actually, we need only to check right position of one
// vertex, not involved into the transformation construction.
if (!aBlockTool.IsSimilarFaces(dir_face1, dir_face2, aTrsf)) {
Standard_ConstructionError::Raise("The direction faces are not similar");
}
}
// Perform multi-transformation
TopoDS_Compound aCompound;
BRep_Builder B;
B.MakeCompound(aCompound);
TopoDS_Shape aPrevShapeU = theBlock;
for (int i = 0; i < theNbIterU; i++) {
TopoDS_Shape aPrevShapeV = aPrevShapeU;
for (int j = 0; j < theNbIterV; j++) {
B.Add(aCompound, aPrevShapeV);
BRepBuilderAPI_Transform aTransformationV (aPrevShapeV, aTrsfV, Standard_False);
aPrevShapeV = aTransformationV.Shape();
}
BRepBuilderAPI_Transform aTransformationU (aPrevShapeU, aTrsfU, Standard_False);
aPrevShapeU = aTransformationU.Shape();
// Correction of the second transformation according to the first transformation
Ax1V.Transform(aTrsfU);
Ax2V.Transform(aTrsfU);
aTrsfV.SetDisplacement(Ax1V, Ax2V);
// Correction done
}
theResult = aCompound;
}
//================================================================================
/*!
* \brief Returns a name of creation operation and names and values of creation parameters
*/
//================================================================================
bool GEOMImpl_BlockDriver::
GetCreationInformation(std::string& theOperationName,
std::vector<GEOM_Param>& theParams)
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
Standard_Integer aType = function->GetType();
GEOMImpl_IBlocks aCI1 (function);
GEOMImpl_IBlockTrsf aCI2 (function);
Handle(TColStd_HSequenceOfTransient) aShapes = aCI1.GetShapes();
switch ( aType ) {
case BLOCK_FACE_FOUR_EDGES:
theOperationName = "Q_FACE";
AddParam( theParams, "Edge 1", aShapes->Value(1) );
AddParam( theParams, "Edge 2", aShapes->Value(2) );
AddParam( theParams, "Edge 3", aShapes->Value(3) );
AddParam( theParams, "Edge 4", aShapes->Value(4) );
break;
case BLOCK_FACE_TWO_EDGES:
theOperationName = "Q_FACE";
AddParam( theParams, "Edge 1", aShapes->Value(1) );
AddParam( theParams, "Edge 2", aShapes->Value(2) );
break;
case BLOCK_FACE_FOUR_PNT:
theOperationName = "Q_FACE";
AddParam( theParams, "Point 1", aShapes->Value(1) );
AddParam( theParams, "Point 2", aShapes->Value(2) );
AddParam( theParams, "Point 3", aShapes->Value(3) );
AddParam( theParams, "Point 4", aShapes->Value(4) );
break;
case BLOCK_SIX_FACES:
theOperationName = "HEX_SOLID";
AddParam( theParams, "Face 1", aShapes->Value(1) );
AddParam( theParams, "Face 2", aShapes->Value(2) );
AddParam( theParams, "Face 3", aShapes->Value(3) );
AddParam( theParams, "Face 4", aShapes->Value(4) );
AddParam( theParams, "Face 5", aShapes->Value(5) );
AddParam( theParams, "Face 6", aShapes->Value(6) );
break;
case BLOCK_TWO_FACES:
theOperationName = "HEX_SOLID";
AddParam( theParams, "Face 1", aShapes->Value(1) );
AddParam( theParams, "Face 2", aShapes->Value(2) );
break;
case BLOCK_COMPOUND_GLUE:
theOperationName = "MakeBlockCompound";
AddParam( theParams, "Compound", aShapes->Value(1) );
break;
case BLOCK_REMOVE_EXTRA:
theOperationName = "REMOVE_EXTRA_EDGES";
AddParam( theParams, "Selected shape", aCI2.GetOriginal() );
AddParam( theParams, "Union faces", aCI2.GetOptimumNbFaces() == 0);
break;
case BLOCK_COMPOUND_IMPROVE:
theOperationName = "CHECK_COMPOUND";
AddParam( theParams, "Selected shape", aCI2.GetOriginal() );
break;
case BLOCK_MULTI_TRANSFORM_1D:
theOperationName = "MUL_TRANSFORM";
AddParam( theParams, "Main Object", aCI2.GetOriginal() );
AddParam( theParams, "Face 1", aCI2.GetFace1U() );
AddParam( theParams, "Face 2", aCI2.GetFace2U() );
AddParam( theParams, "Nb. Times", aCI2.GetNbIterU() );
break;
case BLOCK_MULTI_TRANSFORM_2D:
theOperationName = "MUL_TRANSFORM";
AddParam( theParams, "Main Object", aCI2.GetOriginal() );
AddParam( theParams, "Face 1 U", aCI2.GetFace1U() );
AddParam( theParams, "Face 2 U", aCI2.GetFace2U() );
AddParam( theParams, "Nb. Times V", aCI2.GetNbIterV() );
AddParam( theParams, "Face 1 V", aCI2.GetFace1V() );
AddParam( theParams, "Face 2 V", aCI2.GetFace2V() );
AddParam( theParams, "Nb. Times V", aCI2.GetNbIterV() );
break;
case BLOCK_UNION_FACES:
theOperationName = "UNION_FACES";
AddParam( theParams, "Selected shape", aCI2.GetOriginal() );
break;
default:
return false;
}
return true;
}
IMPLEMENT_STANDARD_HANDLE (GEOMImpl_BlockDriver,GEOM_BaseDriver);
IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_BlockDriver,GEOM_BaseDriver);