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208 lines
10 KiB
C++
208 lines
10 KiB
C++
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// File : GEOMImpl_Block6Explorer.hxx
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// Module : GEOMImpl
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#ifndef GEOMImpl_Block6Explorer_HeaderFile
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#define GEOMImpl_Block6Explorer_HeaderFile
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Wire.hxx>
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#include <TopTools_Array1OfShape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <gp_Trsf.hxx>
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// Class GEOMImpl_Block6Explorer gives easy and fast access to a certain sub-elements of hexahedral solid
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// Each face can be accessed by its global ID [1-6]
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// Each edge can be accessed by its global ID [1-12] or by its local NB [1-4] inside certain face
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// Each vertex can be accessed by its global ID [1-8] or by its local NB [1-4] inside certain face
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// Numeration of the sub-shapes is defined in constructors, see they comments
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//
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// face 2 face 4 | 4 face 2 face |
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// | / | \ | |
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// \|/ |/_ | _\| \|/ |
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// ' ' | ' ' |
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// 8_______7__7 | 7__7_______8 |
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// /| /| | |\ |\ |
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// 8 12 6 11 | 11 6 12 8 |
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// / | / | | | \ | \ |
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// 5/______5__6/ | | | \6__5______\5 |
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// face 5 ---> | | | | <--- 6 face | face 6 ---> | | | | <--- 5 face |
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// | |__3__|____| | |____|__3__| | |
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// | /4 | /3 | 3\ | 4\ | |
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// | / | / | \ | \ | |
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// 9 4 10 2 | 2 10 4 9 |
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// |/__1______|/ | \|______1__\| |
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// 1 2 | 2 1 |
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// _. . | . ._ |
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// /| /|\ | /|\ |\ |
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// / | | | \ |
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// 3 face 1 face | face 1 face 3 |
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// | |
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// Picture 1 (right orientation) | Picture 2 (left orientation) |
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// |
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// For the moment, the orientation of numbering is not controlled
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// Faces: 1 - bottom, 2 - top, 3 - front, 4 - back, 5 - left (right), 6 - right (left)
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//
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// 4_______3__3 2 ______2__3
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// / / | |
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// 4 2 1 3
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// / / | |
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// 1/______1__2/ | |
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// | |
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// | __4______|
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// face 2 face 4 1 4
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// | /
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// \|/ |/_
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// ' '
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// 3 8_______7__7 3
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// /| /| /| /|
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// 3 2 8 12 6 11 3 2
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// / | / | / | / |
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// 4/ | 5/______5__6/ | 4/ |
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// | | face 5 ---> | | | | <--- 6 face | |
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// | | | |__3__|____| | |
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// | /2 | /4 | /3 | /2
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// | / | / | / | /
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// 4 1 9 4 10 2 4 1
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// |/ |/__1______|/ |/
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// 1 1 2 1
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// _. .
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// /| /|\
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// / |
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// 2 ______2__3 3 face 1 face
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// | |
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// | | __3_______
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// | | /4 /3
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// | | / /
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// 1 3 4 2
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// | __4______| /__1______ /
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// 1 4 1 2
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//
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// Picture 3 (On periferal pictures the local
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// numeration of edges and vertices is shown)
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class GEOMImpl_Block6Explorer
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{
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public:
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// ---------- PUBLIC METHODS ----------
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GEOMImpl_Block6Explorer ();
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// Constructor.
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// Initialization by existing solid,
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// sub-elements regulate numeration
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void InitByBlock (const TopoDS_Shape& theBlock);
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// Init by hexahedral solid. First face, edge and vertex is defined randomly
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void InitByBlockAndFace (const TopoDS_Shape& theBlock,
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const TopoDS_Shape& theFace);
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// Constructor from hexahedral solid, making theFace the first face.
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// First edge and vertex is defined randomly from theFace entities
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void InitByBlockAndEdges (const TopoDS_Shape& theBlock,
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const TopoDS_Shape& theEdge1,
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const TopoDS_Shape& theEdge2);
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// Init by hexahedral solid, making theEdge1 the first, theEdge2 the fird.
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// First vertex is defined randomly from theEdge1 vertices
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// (Picture 1 and Picture 2 shows two possible cases)
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void InitByBlockAndVertices (const TopoDS_Shape& theBlock,
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const TopoDS_Shape& theVertex1,
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const TopoDS_Shape& theVertex2,
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const TopoDS_Shape& theVertex3);
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// Init by hexahedral solid, making theVertex1 the first,
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// theVertex2 the second and theVertex3 the fird vertices.
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// Initialization by parts of solid to be built
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void InitByTwoFaces (const TopoDS_Shape& theFace1,
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const TopoDS_Shape& theFace2);
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// Init by two faces. TheFace1 will be the first,
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// theFace2 will be the second.
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// First edge and vertex is defined randomly from theFace1 entities.
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// Access to vertices
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TopoDS_Shape GetVertex (const Standard_Integer theVertexID); // [1-8]
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Standard_Integer GetVertexID (const TopoDS_Shape& theVertex);
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Standard_Integer GetVertexID (const Standard_Integer theFaceID, // [1-6]
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const Standard_Integer theVertexNB); // [1-4]
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Standard_Integer GetVertexOnEdgeID (const Standard_Integer theEdgeID, // [1-12]
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const Standard_Integer theVertexNB); // [1-2]
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// Access to edges
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TopoDS_Shape GetEdge (const Standard_Integer theEdgeID, // [1-12]
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const Standard_Boolean doMake = Standard_False);
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Standard_Integer GetEdgeID (const TopoDS_Shape& theEdge);
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Standard_Integer GetEdgeID (const Standard_Integer theFaceID, // [1-6]
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const Standard_Integer theEdgeNB); // [1-4]
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Standard_Integer FindEdgeID (const Standard_Integer theVertex1ID,
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const Standard_Integer theVertex2ID);
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Standard_Integer FindCommonEdgeID (const Standard_Integer theFace1ID,
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const Standard_Integer theFace2ID);
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// Access to faces
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TopoDS_Shape GetFace (const Standard_Integer theFaceID, // [1-6]
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const Standard_Boolean doMake = Standard_False);
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Standard_Integer GetFaceID (const TopoDS_Shape& theFace);
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Standard_Integer FindFaceID (const Standard_Integer theEdge1ID,
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const Standard_Integer theEdge2ID);
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Standard_Integer GetOppositeFaceID (const Standard_Integer theFaceID);
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// Check Block
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Standard_Boolean IsSimilarFaces (const Standard_Integer theFace1ID,
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const Standard_Integer theFace2ID,
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const gp_Trsf theTransformation);
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// returns true, if theFace1, transformed
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// by theTransformation, coincides with theFace2
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public:
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// ---------- STATIC PUBLIC METHODS ----------
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static void MapShapesAndAncestors (const TopoDS_Shape& S,
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const TopAbs_ShapeEnum TS,
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const TopAbs_ShapeEnum TA,
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TopTools_IndexedDataMapOfShapeListOfShape& M);
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static Standard_Boolean IsSimilarEdges (const TopoDS_Shape& E1,
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const TopoDS_Shape& E2);
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static Standard_Integer FindEdge (TopoDS_Shape& theResult,
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const TopoDS_Shape& V1,
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const TopoDS_Shape& V2,
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const TopTools_IndexedDataMapOfShapeListOfShape& MVE,
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const Standard_Boolean findAll = Standard_False);
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// returns number of found edges
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static Standard_Integer FindFace (TopoDS_Shape& theResult,
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const TopoDS_Shape& V1,
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const TopoDS_Shape& V2,
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const TopoDS_Shape& V3,
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const TopoDS_Shape& V4,
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const TopTools_IndexedDataMapOfShapeListOfShape& MVF,
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const Standard_Boolean findAll = Standard_False);
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// returns number of found faces
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static void MakeFace (const TopoDS_Wire& theWire,
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const Standard_Boolean isPlanarWanted,
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TopoDS_Shape& theResult);
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private:
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// ---------- PRIVATE FIELDS ----------
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TopTools_Array1OfShape myFaces;
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TopTools_Array1OfShape myEdges;
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TopTools_Array1OfShape myVertices;
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};
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#endif
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