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-- File:	TopOpeBRepBuild_Builder.cdl
-- Created:	Mon Jun 14 10:23:56 1993
-- Author:	Jean Yves LEBEY
--		<jyl@zerox>
---Copyright:	 Matra Datavision 1993

class Builder from TopOpeBRepBuild

---Purpose: The Builder  algorithm    constructs   topological
--          objects  from   an    existing  topology  and  new
--          geometries attached to the topology. It is used to
--          construct the result of a topological operation;
--          the existing  topologies are the parts involved in
--          the  topological  operation and the new geometries
--          are the intersection lines and points.

uses

    State from TopAbs,
    ShapeEnum from TopAbs,
    Orientation from TopAbs,
    MapOfShape from TopTools,
    DataMapOfShapeListOfShape from TopTools,
    IndexedMapOfOrientedShape from TopTools,
    IndexedMapOfShape from TopTools,
    HArray1OfShape from TopTools,
    DataMapOfIntegerListOfShape from TopTools,
    DataMapOfIntegerShape from TopTools,
    HArray1OfListOfShape from TopTools,
    DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS,
    DataMapOfShapeInteger from TopTools,
    DataMapOfShapeShape from TopTools,
    IndexedDataMapOfShapeShape from TopTools,
    ShapeSet from TopOpeBRepBuild,
    EdgeBuilder from TopOpeBRepBuild,
    FaceBuilder from TopOpeBRepBuild,
    SolidBuilder from TopOpeBRepBuild,
    WireEdgeSet from TopOpeBRepBuild,
    ShellFaceSet from TopOpeBRepBuild,

    ListOfShape from TopTools,
    Shape from TopoDS,
    Solid from TopoDS,
    Face from TopoDS,
    Edge from TopoDS,
    Vertex from TopoDS,
    ShapeExplorer from TopOpeBRepTool,
    ShapeClassifier from TopOpeBRepTool,
    BuildTool from TopOpeBRepDS,
    PaveSet from TopOpeBRepBuild,
    GTopo from TopOpeBRepBuild,
    HDataStructure from TopOpeBRepDS,
    SurfaceIterator from TopOpeBRepDS,
    PointIterator from TopOpeBRepDS,
    CurveIterator from TopOpeBRepDS,
    Interference from TopOpeBRepDS,
    Config from TopOpeBRepDS,
    Pnt from gp,
    AsciiString from TCollection


raises

    NoSuchObject from Standard

is
    
    Create(BT:BuildTool)
    returns Builder from TopOpeBRepBuild;

    --modified by NIZHNY-MZV  Sat May  6 09:53:22 2000  
    Destroy(me:out)  is  virtual; 
    ---C++: alias "Standard_EXPORT virtual ~TopOpeBRepBuild_Builder()  {  Destroy() ; }"

    ChangeBuildTool(me:in out) returns BuildTool from TopOpeBRepDS;
    ---C++: return &

    BuildTool(me) returns BuildTool from TopOpeBRepDS;
    ---C++: return const &

    Perform (me:in out;HDS:mutable HDataStructure)  is  virtual;
    ---Purpose: Stores the data structure <HDS>,  
    -- Create shapes from the new geometries.
    --modified by NIZHNY-MZV  Thu Nov  4 13:20:25 1999
    Perform (me:in out;HDS:mutable HDataStructure;S1,S2:Shape)  is  virtual;
    ---Purpose: Stores the data structure <HDS>,  
    -- Create shapes from the new geometries,
    -- Evaluates if an operation performed on shapes S1,S2 
    -- is a particular case.
    
    DataStructure(me) returns HDataStructure;
    ---Purpose: returns the DS handled by this builder
    --modified by NIZHNY-MZV  Tue Apr 18 15:32:13 2000
    Clear(me:in out)  is  virtual;
    ---Purpose: Removes all splits and merges already performed.
    -- Does NOT clear the handled DS.
    
    MergeEdges(me:in out;
    	       L1:ListOfShape;TB1:State;
    	       L2:ListOfShape;TB2:State;
    	       onA:Boolean = Standard_False;
    	       onB:Boolean = Standard_False;
    	       onAB:Boolean = Standard_False);
    ---Purpose: Merges  the two edges <S1> and <S2> keeping the
    -- parts in each edge of states <TB1> and <TB2>.
    -- Booleans onA, onB, onAB indicate wheter parts of edges
    -- found as state ON respectively on first, second, and both
    -- shapes must be (or not) built.
    
    MergeFaces(me:in out;
    	       S1:ListOfShape;TB1:State;S2:ListOfShape;TB2:State;
    	       onA:Boolean = Standard_False;
    	       onB:Boolean = Standard_False;
    	       onAB:Boolean = Standard_False);
    ---Purpose: Merges  the two faces <S1>   and <S2> keeping the
    -- parts in each face of states <TB1> and <TB2>.

    MergeSolids(me:in out;
    	    	S1:Shape;TB1:State;S2:Shape;TB2:State);
    ---Purpose: Merges  the two solids <S1>   and <S2> keeping the
    -- parts in each solid of states <TB1> and <TB2>.

    MergeShapes(me:in out;
    	    	S1:Shape;TB1:State;
    	    	S2:Shape;TB2:State);
    ---Purpose: Merges the two shapes <S1> and <S2> keeping the
    -- parts of states <TB1>,<TB2> in <S1>,<S2>.

    End(me:in out);

    -- LocOpe use
    Classify(me) returns Boolean;
    ChangeClassify(me:in out; B:Boolean);

    MergeSolid(me:in out;S:Shape;TB:State);
    ---Purpose: Merges the solid <S>  keeping the
    -- parts of state <TB>.
    
    NewVertex(me;I:Integer) returns Shape;
    ---Purpose: Returns the vertex created on point <I>.
    ---C++: return const &
    
    NewEdges(me;I:Integer) returns ListOfShape;
    ---Purpose: Returns the edges created on curve <I>.
    ---C++: return const &
    
    NewFaces(me;I:Integer) returns ListOfShape;
    ---Purpose: Returns the faces created on surface <I>.
    ---C++: return const &
    
    IsSplit(me;S:Shape;TB:State) returns Boolean;
    ---Purpose: Returns True if the shape <S> has been split.
    
    Splits(me;S:Shape;TB:State) returns ListOfShape
    ---Purpose: Returns the split parts <TB> of shape <S>.
    ---C++: return const &
    raises NoSuchObject from Standard; -- if S is not IsSplit()

    IsMerged(me;S:Shape;TB:State) returns Boolean;
    ---Purpose: Returns True if the shape <S> has been merged.
    
    Merged(me;S:Shape;TB:State) returns ListOfShape 
    ---Purpose: Returns the merged parts <TB> of shape <S>.
    ---C++: return const &
    raises NoSuchObject from Standard; -- if <S> is not IsMerged()

    InitSection(me:in out);

    SplitSectionEdges (me:in out);
    ---Purpose: create parts ON solid of section edges
    --modified by NIZHNY-MZV  Wed Feb 23 12:54:11 2000
    SplitSectionEdge (me:in out; E:Shape from TopoDS)  is  virtual;
    ---Purpose: create parts ON solid of section edges

    SectionCurves(me:in out; L:in out ListOfShape);
    ---Purpose: return the section edges built on new curves.

    SectionEdges(me:in out; L:in out ListOfShape);
    ---Purpose: return the parts of edges found ON the boundary
    -- of the two arguments S1,S2 of Perform() 

    FillSecEdgeAncestorMap(me; aShapeRank: Integer; aMapON: MapOfShape;
    	    	    	       anAncMap: out DataMapOfShapeShape);
    ---Purpose: Fills anAncMap with pairs (edge,ancestor edge) for each
    --          split from the map aMapON for the shape object identified
    --          by ShapeRank

    Section(me:in out; L:in out ListOfShape);
    ---Purpose: return all section edges.

    Section(me:in out) returns ListOfShape;
    ---C++: return const &

    BuildVertices (me:in out;DS:mutable HDataStructure);
    ---Purpose: update the DS by creating new geometries.
    --          create vertices on DS points.

    BuildEdges (me:in out;DS:mutable HDataStructure);
    ---Purpose: update the DS by creating new geometries.
    --          create shapes from the new geometries.

    MSplit(me;s:State from TopAbs)
    returns DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS;
    ---C++: return const &

    ChangeMSplit(me:in out;s:State from TopAbs) 
    returns DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS;
    ---C++: return &
    
    -------
    -- private
    -------

    BuildEdges (me:in out;iC:Integer;DS:mutable HDataStructure) is protected;
    ---Purpose: update the DS by creating new geometries.
    --          create edges on the new curve <Icurv>.

    BuildFaces (me:in out;iS:Integer;DS:mutable HDataStructure) is protected;
    ---Purpose: update the DS by creating new geometries.
    --          create faces on the new surface <ISurf>.
    
    BuildFaces (me:in out;DS:mutable HDataStructure) is protected;
    ---Purpose: update the DS by creating new geometries.
    --          create shapes from the new geometries.
    
    SplitEdge(me:in out;E1:Shape;TB1,TB2:State) is protected;
    ---Purpose: Split <E1> keeping the parts of state <TB1>.

    SplitEdge1(me:in out;E1:Shape;TB1,TB2:State) is protected;
    ---Purpose: Split <E1> keeping the parts of state <TB1>.
    
    SplitEdge2(me:in out;E1:Shape;TB1,TB2:State) is protected;
    ---Purpose: Split <E1> keeping the parts of state <TB1>.
    
    SplitFace(me:in out;F1:Shape;TB1,TB2:State) is protected;
    ---Purpose: Split <F1> keeping the  parts of state  <TB1>.
    --          Merge faces with same domain, keeping parts  of
    --          state <TB2>.

    SplitFace1(me:in out;F1:Shape;TB1,TB2:State) is protected;

    SplitFace2(me:in out;F1:Shape;TB1,TB2:State) is protected;

    SplitSolid(me:in out;S1:Shape;TB1,TB2:State) is protected;
    ---Purpose: Split <S1> keeping the parts of state <TB1>.

    SplitShapes(me:in out;Ex:in out ShapeExplorer from TopOpeBRepTool;
    	    	    	  TB1,TB2:State;
    	    	    	  SS:in out ShapeSet;RevOri:Boolean) is protected;
    ---Purpose: Explore shapes of given  by explorer <Ex> to split them.
    -- Store  new shapes in the set <SS>.
    -- According to RevOri, reverse or not their orientation.
    
    MakeEdges(me:in out;E:Shape;B:in out EdgeBuilder;
		        L:in out ListOfShape);
		     
    MakeFaces(me:in out;F:Shape;B:in out FaceBuilder;
		        L:in out ListOfShape);
		     
    MakeSolids(me:in out;B:in out SolidBuilder;
    	    	    	 L:in out ListOfShape); 
			 
    MakeShells(me:in out;B:in out SolidBuilder;
    	    	    	 L:in out ListOfShape);
		     
    FillFace(me:in out;F1:Shape;TB1:State;
		       LF2:ListOfShape;TB2:State;
    	    	       WES:in out WireEdgeSet;RevOri:Boolean) is protected;
    ---Purpose: Split edges of <F1> and store  wires and edges in
    -- the set <WES>. According to RevOri, reverse (or not) orientation.

    FillSolid(me:in out;S1:Shape;TB1:State;
			LS2:ListOfShape;TB2:State;
    	    	        SS:in out ShapeSet;RevOri:Boolean) is protected;
    ---Purpose: Split faces of <S1> and store shells  and faces in
    -- the set <SS>. According to RevOri, reverse (or not) orientation.

    FillShape(me:in out;S1:Shape;TB1:State;
			LS2:ListOfShape;TB2:State;
    	    	    	SS:in out ShapeSet;RevOri:Boolean) is protected;
    ---Purpose: Split subshapes of <S1> and store subshapes in
    -- the set <SS>. According to RevOri, reverse (or not) orientation.

    FillVertexSet(me;IT:in out PointIterator;
    	             TB:State;PVS:in out PaveSet) is protected;
    ---Purpose: fills the vertex set PVS with the point iterator IT.
    -- IT accesses a list of interferences which geometry is a point or a vertex.
    -- TB indicates the orientation to give to the geometries
    -- found in interference list accessed by IT.

    FillVertexSetOnValue(me;IT:PointIterator;
    	                    TB:State;PVS:in out PaveSet) is protected;
    ---Purpose: fills vertex set PVS with the current value of IT.
    -- I geometry is a point or a vertex.  
    -- TB  indicates the orientation to give to geometries found I

    ToSplit(me;S:Shape;TB:State) returns Boolean is protected;
    ---Purpose: Returns True if the shape <S> has not already been split
    --modified by NIZHNY-MZV  Thu Sep 30 10:29:53 1999
    MarkSplit(me:in out;S:Shape;TB:State;B:Boolean=Standard_True) is protected;
    ---Purpose: add the shape <S> to the map of split shapes.
    -- mark <S> as split/not split on <state>, according to B value.

    ChangeSplit(me:in out;S:Shape;TB:State) returns ListOfShape;
    ---Purpose: Returns a ref.on the list of shapes connected to <S> as
    -- <TB> split parts of <S>.
    -- Mark <S> as split in <TB> parts.
    ---C++: return &

    ChangeMerged(me:in out;S:Shape;TB:State) returns ListOfShape is protected;
    ---Purpose: Returns a ref. on the list of shapes connected to <S> as
    -- <TB> merged parts of <S>.
    ---C++: return &
    
    ChangeNewVertex(me:in out;I:Integer) returns Shape is protected;
    ---Purpose: Returns a ref. on the vertex created on point <I>.
    ---C++: return &
    
    ChangeNewEdges(me:in out;I:Integer) returns ListOfShape is protected;
    ---Purpose: Returns a ref. on the list of edges created on curve <I>.
    ---C++: return &
    
    ChangeNewFaces(me:in out;I:Integer) returns ListOfShape is protected;
    ---Purpose: Returns a ref. on the list of faces created on surface <I>.
    ---C++: return &

    AddIntersectionEdges(me;F:in out Shape;TB:State;
			    RevOri:Boolean;ES:in out ShapeSet) is protected;

    Opec12(me) returns Boolean;

    Opec21(me) returns Boolean;

    Opecom(me) returns Boolean;

    Opefus(me) returns Boolean;
    
    ShapePosition(me:in out;S:Shape;LS:ListOfShape) returns State;

    KeepShape(me:in out;S:Shape;LS:ListOfShape;T:State) returns Boolean;

    TopType(myclass;S:Shape) returns ShapeEnum;

    Reverse(myclass;T1,T2:State) returns Boolean;

    Orient(myclass;O:Orientation;R:Boolean) returns Orientation;

    FindSameDomain(me;L1,L2:in out ListOfShape);

    FindSameDomainSameOrientation(me;LSO,LDO:in out ListOfShape);

    MapShapes(me:in out;S1,S2:Shape);

    ClearMaps(me:in out);

    FindSameRank(me;L1:ListOfShape;R:Integer;L2:in out ListOfShape);

    ShapeRank(me;S:Shape) returns Integer;

    IsShapeOf(me;S:Shape;I12:Integer) returns Boolean;

    Contains(myclass;S:Shape;L:ListOfShape) returns Boolean;

    UpdateSplitAndMerged(me : in out;   mle :DataMapOfIntegerListOfShape from TopTools;
    			 mre :DataMapOfIntegerShape from TopTools;
    			 mlf :DataMapOfShapeShape from TopTools;
    	    	         state :State from TopAbs)
    is protected;
    
    
    -- KPart Builder

    FindIsKPart(me:in out) returns Integer;
    IsKPart(me) returns Integer; 
    --Begin  modified by NIZHNY-MZV  Mon Feb  7 17:18:40 2000
    MergeKPart(me:in out)  is  virtual;
    MergeKPart(me:in out;TB1,TB2:State)  is  virtual; 
    --End  modified by NIZHNY-MZV  Mon Feb  7 17:18:45 2000
    MergeKPartiskole(me:in out);
    MergeKPartiskoletge(me:in out);
    MergeKPartisdisj(me:in out);
    MergeKPartisfafa(me:in out);
    MergeKPartissoso(me:in out);
    KPiskole(me:in out) returns Integer;
    KPiskoletge(me:in out) returns Integer;
    KPisdisj(me:in out) returns Integer;
    KPisfafa(me:in out) returns Integer;
    KPissoso(me:in out) returns Integer;
    KPClearMaps(me:in out);
    KPlhg(me;S:Shape;T:ShapeEnum;L:out ListOfShape) returns Integer;
    KPlhg(me;S:Shape;T:ShapeEnum) returns Integer;
    KPlhsd(me;S:Shape;T:ShapeEnum;L:out ListOfShape) returns Integer;
    KPlhsd(me;S:Shape;T:ShapeEnum) returns Integer;
    KPclasSS(me:in out;S1:Shape;exceptLS1:ListOfShape;S2:Shape) returns State;
    KPclasSS(me:in out;S1,exceptS1,S2:Shape) returns State;
    KPclasSS(me:in out;S1,S2:Shape) returns State;
    KPiskolesh(me;S:Shape;LS,LF:out ListOfShape) returns Boolean; 
    KPiskoletgesh(me;S:Shape;LS,LF:out ListOfShape) returns Boolean; 
    KPSameDomain(me;L1:in out ListOfShape;L2:out ListOfShape);
    KPisdisjsh(me;S:Shape) returns Integer;	      
    KPisfafash(me;S:Shape) returns Integer;
    KPissososh(me;S:Shape) returns Integer;
    KPiskoleanalyse(me;FT1,FT2,ST1,ST2:State;I,I1,I2:out Integer);
    KPiskoletgeanalyse(me;Conf:Config;ST1,ST2:State;I:out Integer);
    KPisdisjanalyse(me;ST1,ST2:State;I,IC1,IC2:out Integer);
    KPls(myclass;S:Shape;T:ShapeEnum;L:out ListOfShape) returns Integer;
    KPls(myclass;S:Shape;T:ShapeEnum) returns Integer;
    
    -- les methodes suivantes sont in out er non myclass
    -- car elles modifient myShapeClassifier
    KPclassF(me:in out;F1,F2:Shape) returns State;
    KPclassFF(me:in out;F1,F2:Shape;T1,T2:out State);
    KPiskoleFF(me:in out;F1,F2:Shape;T1,T2:out State) returns Boolean;
    KPContains(myclass;S:Shape;L:ListOfShape) returns Boolean;
    KPmakeface(me:in out;F1:Shape;LF2:ListOfShape;T1,T2:State;R1,R2:Boolean) 
    returns Shape;
    KPreturn(myclass;KP:Integer) returns Integer;

    -- 
    SplitEvisoONperiodicF(me:in out);

    -- solid
    --modified by NIZHNY-MZV  Wed Sep 29 09:46:48 1999
    GMergeSolids(me:in out;LSO1,LSO2:ListOfShape;G:GTopo);
    GFillSolidsSFS(me:in out;LSO1,LSO2:ListOfShape;G:GTopo;SFS:in out ShellFaceSet);
    GFillSolidSFS(me:in out;SO1:Shape;LSO2:ListOfShape;G:GTopo;SFS:in out ShellFaceSet)  is  virtual;
    GFillSurfaceTopologySFS(me:in out;SO1:Shape;G:GTopo;SFS:in out ShellFaceSet);
    GFillSurfaceTopologySFS(me;IT:SurfaceIterator;G:GTopo;SFS:in out ShellFaceSet);
    --modified by NIZHNY-MZV  Thu Sep 30 09:55:31 1999
    GFillShellSFS(me:in out;SH1:Shape;LSO2:ListOfShape;G:GTopo;SFS:in out ShellFaceSet)  is  virtual;
    GFillFaceSFS(me:in out;F1:Shape;LSO2:ListOfShape;G:GTopo;SFS:in out ShellFaceSet);
    GSplitFaceSFS(me:in out;F1:Shape;LSclass:ListOfShape;G:GTopo;SFS:in out ShellFaceSet);
    GMergeFaceSFS(me:in out;F:Shape;G:GTopo;SFS:out ShellFaceSet);
    GSplitFace(me:in out;F:Shape;G:GTopo;LSclass:ListOfShape);
    AddONPatchesSFS(me:in out;G:GTopo;SFS:out ShellFaceSet);
    FillOnPatches(me:in out;anEdgesON:ListOfShape; aBaseFace:Shape;
    	    	    	    avoidMap:IndexedMapOfOrientedShape);
    FindFacesTouchingEdge(me;aFace,anEdge:Shape; aShRank:Integer; aFaces:out ListOfShape);

    -- face
    
    GMergeFaces(me:in out;LF1,LF2:ListOfShape;G:GTopo);
    GFillFacesWES(me:in out;LF1,LF2:ListOfShape;G:GTopo;WES:out WireEdgeSet);
    GFillFacesWESK(me:in out;LF1,LF2:ListOfShape;G:GTopo;WES:out WireEdgeSet;K:Integer);
    GFillFacesWESMakeFaces(me:in out;LF1,LF2,LSO:ListOfShape;G:GTopo);
    GFillFaceWES(me:in out;F:Shape;LF2:ListOfShape;G:GTopo;WES:in out WireEdgeSet);
    GFillCurveTopologyWES(me:in out;F:Shape;G:GTopo;WES:in out WireEdgeSet);
    GFillCurveTopologyWES(me;IT:CurveIterator;G:GTopo;WES:in out WireEdgeSet);
    
    GFillONPartsWES(me:in out;F:Shape;G:GTopo;LSclass:ListOfShape;WES:in out WireEdgeSet);
    
    GFillWireWES(me:in out;W:Shape;LF2:ListOfShape;G:GTopo;WES:in out WireEdgeSet);
    GFillEdgeWES(me:in out;E:Shape;LF2:ListOfShape;G:GTopo;WES:in out WireEdgeSet);
    GSplitEdgeWES(me:in out;E:Shape;LF2:ListOfShape;G:GTopo;WES:in out WireEdgeSet);
    GMergeEdgeWES(me:in out;E:Shape;G:GTopo;WES:in out WireEdgeSet);
    GSplitEdge(me:in out;E:Shape;G:GTopo;LSclass:ListOfShape);
    
    -- edge

    GMergeEdges(me:in out;LE1,LE2:ListOfShape;G:GTopo);
    GFillEdgesPVS(me:in out;LE1,LE2:ListOfShape;G:GTopo;PVS:in out PaveSet);
    GFillEdgePVS(me:in out;E:Shape;LE2:ListOfShape;G:GTopo;PVS:in out PaveSet);
    GFillPointTopologyPVS(me:in out;E:Shape;G:GTopo;PVS:in out PaveSet);
    GFillPointTopologyPVS(me;E:Shape;IT:PointIterator;G:GTopo;PVS:in out PaveSet);
    GParamOnReference(me;V:Vertex;E:Edge;P:out Real) returns Boolean;

    -- other 

    GKeepShape(me:in out;S:Shape;Lref:ListOfShape;T:State) returns Boolean;
    GKeepShape1(me:in out;S:Shape;Lref:ListOfShape;T:State;pos:out State) returns Boolean;
    ---Purpose: return True if S is classified <T> / Lref shapes
    GKeepShapes(me:in out ;S:Shape;Lref:ListOfShape;T:State;
    	    	    	     Lin:ListOfShape;Lou:in out ListOfShape);
    ---Purpose: add to Lou the shapes of Lin classified <T> / Lref shapes. 
    -- Lou is not cleared. (S is a dummy trace argument)

    GSFSMakeSolids(me:in out;SOF:Shape;SFS:in out ShellFaceSet;LOSO:in out ListOfShape);
    GSOBUMakeSolids(me:in out;SOF:Shape;SOBU:in out SolidBuilder;LOSO:in out ListOfShape);
--modified by NIZHNY-MZV  Mon Dec  6 14:53:21 1999
    GWESMakeFaces(me:in out;FF:Shape;WES:in out WireEdgeSet;LOF:in out ListOfShape)  is  virtual;
    GFABUMakeFaces(me:in out;FF:Shape;FABU:in out FaceBuilder;LOF:in out ListOfShape;
    	    	   MWisOld:out DataMapOfShapeInteger from TopTools);
    RegularizeFaces(me:in out;FF:Shape;lnewFace:ListOfShape;LOF:in out ListOfShape);
    RegularizeFace(me:in out;FF:Shape;newFace:Shape;LOF:in out ListOfShape);
    -- regularize face newFace issued from face SS.
    -- regularized faces are returned in the list of shape LOF
    RegularizeSolids(me:in out;SS:Shape;lnewSolid:ListOfShape;LOS:in out ListOfShape);
    RegularizeSolid(me:in out;SS:Shape;newSolid:Shape;LOS:in out ListOfShape);
    -- regularize solid newSolid issued from solid SS.
    -- regularized solids are returned in the list of shape LOS

    GPVSMakeEdges(me;EF:Shape;PVS:in out PaveSet;LOE:in out ListOfShape);
    GEDBUMakeEdges(me;EF:Shape;EDBU:in out EdgeBuilder;LOE:in out ListOfShape);

    GToSplit(me;S:Shape;TB:State) returns Boolean;
    GToMerge(me;S:Shape) returns Boolean;

    GTakeCommonOfSame(myclass;G:GTopo) returns Boolean;
    GTakeCommonOfDiff(myclass;G:GTopo) returns Boolean;

    -- NYI:GFindxxx methods:should be provided by the DS
    GFindSamDom(me;S:Shape;L1,L2:in out ListOfShape);
    GFindSamDom(me;L1,L2:in out ListOfShape);
    GFindSamDomSODO(me;S:Shape;LSO,LDO:in out ListOfShape);
    GFindSamDomSODO(me;LSO,LDO:in out ListOfShape);
    
    GMapShapes(me:in out;S1,S2:Shape);
    GClearMaps(me:in out);
    GFindSameRank(me;L1:ListOfShape;R:Integer;L2:in out ListOfShape);
    GShapeRank(me;S:Shape) returns Integer;
    GIsShapeOf(me;S:Shape;I12:Integer) returns Boolean;
    GContains(myclass;S:Shape;L:ListOfShape) returns Boolean;
    GCopyList(myclass;Lin:ListOfShape;i1,i2:Integer;Lou:out ListOfShape);
    GCopyList(myclass;Lin:ListOfShape;Lou:out ListOfShape);

    -- dump

    GdumpLS(me;L:ListOfShape);
    GdumpPNT(myclass;P:Pnt);
    GdumpORIPARPNT(myclass;o:Orientation;p:Real;Pnt:Pnt);
    GdumpSHA(me;S:Shape;str:Address=NULL);
    GdumpSHAORI(me;S:Shape;str:Address=NULL);
    GdumpSHAORIGEO(me;S:Shape;str:Address=NULL);

    GdumpSHASTA(me;iS:Integer;T:State;
		   a:AsciiString="";b:AsciiString="");
    GdumpSHASTA(me;S:Shape;T:State;
		   a:AsciiString="";b:AsciiString="");
    GdumpSHASTA(me;iS:Integer;T:State;SS:ShapeSet;
    	    	   a:AsciiString="";b:AsciiString="";c:AsciiString="\n");

    GdumpEDG(me;S:Shape;str:Address=NULL);
    GdumpEDGVER(me;E,V:Shape;str:Address=NULL);

    GdumpSAMDOM(me;L:ListOfShape;str:Address=NULL);
    GdumpEXP(me;E:ShapeExplorer);
    GdumpSOBU(me;SB:in out SolidBuilder);
    GdumpFABU(me;FB:in out FaceBuilder);
    GdumpEDBU(me;EB:in out EdgeBuilder);
    GtraceSPS(me;iS:Integer) returns Boolean; 
    GtraceSPS(me;iS,jS:Integer) returns Boolean; 
    GtraceSPS(me;S:Shape) returns Boolean; 
    GtraceSPS(me;S:Shape;IS:out Integer) returns Boolean; 
    GdumpSHASETreset(me:in out);
    GdumpSHASETindex(me:in out) returns Integer;
    PrintGeo(myclass;S:Shape);
    PrintSur(myclass;F:Face);
    PrintCur(myclass;E:Edge);
    PrintPnt(myclass;V:Vertex);
    PrintOri(myclass;S:Shape);
    StringState(myclass;S:State) returns AsciiString from TCollection;
    GcheckNBOUNDS(myclass;E:Shape) returns Boolean; 
     

fields

    myState1,myState2:State from TopAbs  is  protected;
    myShape1,myShape2:Shape from TopoDS  is  protected;
    myDataStructure:HDataStructure from TopOpeBRepDS  is  protected;
    myBuildTool:BuildTool from TopOpeBRepDS  is  protected;

    myNewVertices:HArray1OfShape from TopTools  is  protected;
    myNewEdges:DataMapOfIntegerListOfShape from TopTools  is  protected;
    myNewFaces:HArray1OfListOfShape from TopTools  is  protected;

    mySplitIN :DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS  is  protected;
    mySplitON :DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS  is  protected;
    mySplitOUT:DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS  is  protected;
    myMergedIN :DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS  is  protected;
    myMergedON :DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS  is  protected;
    myMergedOUT:DataMapOfShapeListOfShapeOn1State from TopOpeBRepDS  is  protected;

    myEmptyShapeList:ListOfShape from TopTools  is  protected;
    myListOfSolid:ListOfShape from TopTools  is  protected;
    myListOfFace:ListOfShape from TopTools  is  protected;
    myListOfEdge:ListOfShape from TopTools  is  protected;

    -- new faces to split with their splits 
    myFSplits:DataMapOfShapeListOfShape  is  protected;
    -- new edges to split with their splits 
    myESplits:DataMapOfShapeListOfShape  is  protected;

    -- section data
    mySectionDone:Boolean from Standard  is  protected;
    mySplitSectionEdgesDone:Boolean from Standard  is  protected;
    mySection:ListOfShape from TopTools  is  protected;

    -- grid data
    mySolidReference:Solid from TopoDS  is  protected;
    mySolidToFill:Solid from TopoDS  is  protected;
    myFaceAvoid:ListOfShape from TopTools  is  protected;

    myFaceReference:Face from TopoDS  is  protected;
    myFaceToFill:Face from TopoDS  is  protected;
    myEdgeAvoid:ListOfShape from TopTools  is  protected;

    myEdgeReference:Edge from TopoDS  is  protected;
    myEdgeToFill:Edge from TopoDS  is  protected;
    myVertexAvoid:ListOfShape from TopTools  is  protected;

    myMAP1,myMAP2:IndexedMapOfShape from TopTools  is  protected;

    -- KPart Builder
    myIsKPart:Integer from Standard  is  protected;
    myKPMAPf1f2:DataMapOfShapeListOfShape from TopTools  is  protected;

     -- trace        
    mySHASETindex:Integer  is  protected;

    -- special cases
    myClassifyDef:Boolean  is  protected;
    myClassifyVal:Boolean  is  protected;

    myShapeClassifier:ShapeClassifier from TopOpeBRepTool  is  protected;

    --- Regularization
    myMemoSplit : MapOfShape from TopTools  is  protected;

    myEmptyAS : AsciiString from TCollection  is  protected; -- BUG extraction hxx WOK

    -- for building of ON patches from coinciding faces not same domain
    myProcessON: Boolean from Standard is protected;
    myONFacesMap: IndexedDataMapOfShapeShape from TopTools is protected;
    myONElemMap: IndexedMapOfOrientedShape from TopTools is protected;

friends

    class HBuilder from TopOpeBRepBuild
    
end Builder from TopOpeBRepBuild;