0023741: Research and remove CSFDB support from OCCT if it is necessary
[occt.git] / samples / ocafsamples / TNaming_Sample.cxx
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bc228f77 1// Created on: 1999-12-29
2// Created by: Sergey RUIN
3// Copyright (c) 1999-1999 Matra Datavision
480bf81e 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
bc228f77 5//
480bf81e 6// This file is part of Open CASCADE Technology software library.
bc228f77 7//
480bf81e 8// This library is free software; you can redistribute it and / or modify it
9// under the terms of the GNU Lesser General Public version 2.1 as published
10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
bc228f77 13//
480bf81e 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
bc228f77 16
17#include <gp_Vec.hxx>
18#include <gp_Trsf.hxx>
19#include <gp_Pnt.hxx>
20
21#include <TopoDS.hxx>
22#include <TopoDS_Shape.hxx>
23#include <TopoDS_Face.hxx>
24#include <TopTools_ListOfShape.hxx>
25#include <TopTools_MapOfShape.hxx>
26#include <TopTools_ListIteratorOfListOfShape.hxx>
27#include <TopExp_Explorer.hxx>
28
29#include <TopOpeBRepBuild_HBuilder.hxx>
30
31#include <BRepPrimAPI_MakeBox.hxx>
32#include <BRepFilletAPI_MakeFillet.hxx>
33
34#include <BRepAlgo_Cut.hxx>
35#include <BRepAlgo.hxx>
36
37#include <TDF_Data.hxx>
38#include <TDF_Label.hxx>
39#include <TDF_LabelMap.hxx>
40#include <TDF_ChildIterator.hxx>
41#include <TDF_MapIteratorOfLabelMap.hxx>
42
43#include <TNaming_NamedShape.hxx>
44#include <TNaming_Selector.hxx>
45#include <TNaming_Tool.hxx>
46#include <TNaming_Builder.hxx>
47#include <TNaming.hxx>
48
49// =======================================================================================
50// This sample contains template for typical actions with OCAF Topologigal Naming services
51// =======================================================================================
52
53#ifdef DEB
54
55#define Box1POS 1
56#define Box2POS 2
57#define SelectedEdgesPOS 3
58#define FilletPOS 4
59#define CutPOS 5
60
61void Sample()
62{
63 // Starting with data framework
64 Handle(TDF_Data) DF = new TDF_Data();
65 TDF_Label aLabel = DF->Root();
66
67 TopoDS_Shape Shape, Context;
68
69 // ======================================================
70 // Creating NamedShapes with different type of Evolution
71 // Scenario:
72 // 1.Create Box1 and push it as PRIMITIVE in DF
73 // 2.Create Box2 and push it as PRIMITIVE in DF
74 // 3.Move Box2 (applying a transformation)
75 // 4.Push a selected edges of top face of Box1 in DF,
76 // create Fillet (using selected edges) and push result as modification of Box1
77 // 5.Create a Cut (Box1, Box2) as modification of Box1 and push it in DF
78 // 6.Recover result from DF
79 // ======================================================
80
81 // =====================================
82 // 1.Box1, TNaming_Evolution == PRIMITIVE
83 // =====================================
84 BRepPrimAPI_MakeBox MKBOX1( 100, 100, 100); // creating Box1
85
86 //Load the faces of the box in DF
87 TDF_Label Box1Label = aLabel.FindChild(Box1POS);
88 TDF_Label Top1 = Box1Label.FindChild(1);
89 TDF_Label Bottom1 = Box1Label.FindChild(2);
90 TDF_Label Right1 = Box1Label.FindChild(3);
91 TDF_Label Left1 = Box1Label.FindChild(4);
92 TDF_Label Front1 = Box1Label.FindChild(5);
93 TDF_Label Back1 = Box1Label.FindChild(6);
94
95 TNaming_Builder Box1Ins (Box1Label);
96 Box1Ins.Generated (MKBOX1.Shape());
97
98 TNaming_Builder Top1FaceIns (Top1);
99 TopoDS_Face Top1Face = MKBOX1.TopFace ();
100 Top1FaceIns.Generated (Top1Face);
101
102 TopoDS_Face Bottom1Face = MKBOX1.BottomFace ();
103 TNaming_Builder Bottom1FaceIns (Bottom1);
104 Bottom1FaceIns.Generated (Bottom1Face);
105
106 TopoDS_Face Right1Face = MKBOX1.RightFace ();
107 TNaming_Builder Right1FaceIns (Right1);
108 Right1FaceIns.Generated (Right1Face);
109
110 TopoDS_Face Left1Face = MKBOX1.LeftFace ();
111 TNaming_Builder Left1FaceIns (Left1);
112 Left1FaceIns.Generated (Left1Face);
113
114 TopoDS_Face Front1Face = MKBOX1.FrontFace ();
115 TNaming_Builder Front1FaceIns (Front1);
116 Front1FaceIns.Generated (Front1Face);
117
118 TopoDS_Face Back1Face = MKBOX1.BackFace ();
119 TNaming_Builder Back1FaceIns (Back1);
120 Back1FaceIns.Generated (Back1Face);
121
122 // =====================================
123 // 2.Box2, TNaming_Evolution == PRIMITIVE
124 // =====================================
125 BRepPrimAPI_MakeBox MKBOX2( 150, 150, 150); // creating Box2
126
127 //Load the faces of the box2 in DF
128 TDF_Label Box2Label = aLabel.FindChild(Box2POS);
129 TDF_Label Top2 = Box2Label.FindChild(1);
130 TDF_Label Bottom2 = Box2Label.FindChild(2);
131 TDF_Label Right2 = Box2Label.FindChild(3);
132 TDF_Label Left2 = Box2Label.FindChild(4);
133 TDF_Label Front2 = Box2Label.FindChild(5);
134 TDF_Label Back2 = Box2Label.FindChild(6);
135
136 TNaming_Builder Box2Ins (Box2Label);
137 Box2Ins.Generated (MKBOX2.Shape());
138
139 TNaming_Builder Top2FaceIns (Top2);
140 TopoDS_Face Top2Face = MKBOX2.TopFace ();
141 Top2FaceIns.Generated (Top2Face);
142
143 TopoDS_Face Bottom2Face = MKBOX2.BottomFace ();
144 TNaming_Builder Bottom2FaceIns (Bottom2);
145 Bottom2FaceIns.Generated (Bottom2Face);
146
147 TopoDS_Face Right2Face = MKBOX2.RightFace ();
148 TNaming_Builder Right2FaceIns (Right2);
149 Right2FaceIns.Generated (Right2Face);
150
151 TopoDS_Face Left2Face = MKBOX2.LeftFace ();
152 TNaming_Builder Left2FaceIns (Left2);
153 Left2FaceIns.Generated (Left2Face);
154
155 TopoDS_Face Front2Face = MKBOX2.FrontFace ();
156 TNaming_Builder Front2FaceIns (Front2);
157 Front2FaceIns.Generated (Front2Face);
158
159 TopoDS_Face Back2Face = MKBOX2.BackFace ();
160 TNaming_Builder Back2FaceIns (Back2);
161 Back2FaceIns.Generated (Back2Face);
162
163 // ====================================
164 // 3.Applying a transformation to Box2
165 // ====================================
166 gp_Vec vec1(gp_Pnt(0.,0.,0.),gp_Pnt(50.,50.,20.));
167 gp_Trsf TRSF;
168 TRSF.SetTranslation(vec1);
169 TopLoc_Location loc(TRSF);
170 TDF_LabelMap scope;
171 TDF_ChildIterator itchild;
172 for (itchild.Initialize(Box2Label,Standard_True); itchild.More();itchild.Next()) {
173 if (itchild.Value().IsAttribute(TNaming_NamedShape::GetID())) scope.Add(itchild.Value());
174 }
175 if (Box2Label.IsAttribute(TNaming_NamedShape::GetID())) scope.Add(Box2Label);
176 TDF_MapIteratorOfLabelMap it(scope);
177 for (;it.More();it.Next())
178 TNaming::Displace(it.Key(), loc, Standard_True);//with oldshapes
179
180
181 //============================================================================
182 // 4.Push a selected edges of top face of Box1 in DF,
183 // create Fillet (using selected edges) and push result as modification of Box1
184 //=============================================================================
185 Handle(TNaming_NamedShape) B1NS;
186 Box1Label.FindAttribute(TNaming_NamedShape::GetID(), B1NS);
187 const TopoDS_Shape& box1 = TNaming_Tool::GetShape(B1NS);
188 Handle(TNaming_NamedShape) Top1NS;
189 Top1.FindAttribute(TNaming_NamedShape::GetID(), Top1NS);
190 const TopoDS_Shape& top1face = TNaming_Tool::GetShape(Top1NS);
191
192 BRepFilletAPI_MakeFillet MKFILLET(box1);// fillet's algo
193 TDF_Label SelectedEdgesLabel = aLabel.FindChild(SelectedEdgesPOS); //Label for selected edges
194 TopExp_Explorer exp(top1face, TopAbs_EDGE);
195 Standard_Integer i=1;
196 for(;exp.More();exp.Next(),i++) {
197 const TopoDS_Edge& E = TopoDS::Edge(exp.Current());
198 const TDF_Label& SelEdge = SelectedEdgesLabel.FindChild(i);
199 // Creating TNaming_Selector on label
200 TNaming_Selector Selector(SelEdge);
201
202 // Inserting shape into data framework, we need the context to find neighbourhood of shape
203 // For example the context for a lateral face of cone is cone itself
204 // If a shape is standalone the context will be the shape itself
205
206 // Selector.Select(Shape, Context);
207 // TNaming_Evolution == SELECTED
208 Selector.Select(E, box1);
209 // Recover selected edge from DF, only for example
210 const TopoDS_Edge& FE = TopoDS::Edge(Selector.NamedShape()->Get());
211 MKFILLET.Add(5., FE);
212 }
213
214 MKFILLET.Build();
215 if(!MKFILLET.IsDone()) return; //Algorithm failed
216
217 // ...put fillet in the DataFramework as modification of Box1
218 TDF_Label FilletLabel = aLabel.FindChild(FilletPOS);
219 TDF_Label DeletedFaces = FilletLabel.FindChild(i++);
220 TDF_Label ModifiedFaces = FilletLabel.FindChild(i++);
221 TDF_Label FacesFromEdges = FilletLabel.FindChild(i++);
222 TDF_Label FacesFromVertices = FilletLabel.FindChild(i);
223
224 // TNaming_Evolution == MODIFY
225 TNaming_Builder bFillet(FilletLabel);
226 bFillet.Modify(box1, MKFILLET.Shape());
227
228 //New faces generated from edges
229 TopTools_MapOfShape View;
230 TNaming_Builder FaceFromEdgeBuilder(FacesFromEdges);
231 TopExp_Explorer ShapeExplorer (box1, TopAbs_EDGE);
232 for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
233 const TopoDS_Shape& Root = ShapeExplorer.Current ();
234 if (!View.Add(Root)) continue;
235 const TopTools_ListOfShape& Shapes = MKFILLET.Generated (Root);
236 TopTools_ListIteratorOfListOfShape ShapesIterator (Shapes);
237 for (;ShapesIterator.More (); ShapesIterator.Next ()) {
238 const TopoDS_Shape& newShape = ShapesIterator.Value ();
239 // TNaming_Evolution == GENERATED
240 if (!Root.IsSame (newShape)) FaceFromEdgeBuilder.Generated (Root,newShape );
241 }
242 }
243
244 //Faces of the initial shape modified by MKFILLET
245 View.Clear();
246 TNaming_Builder ModFacesBuilder(ModifiedFaces);
247 ShapeExplorer.Init(box1,TopAbs_FACE);
248 for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
249 const TopoDS_Shape& Root = ShapeExplorer.Current ();
250 if (!View.Add(Root)) continue;
251 const TopTools_ListOfShape& Shapes = MKFILLET.Modified (Root);
252 TopTools_ListIteratorOfListOfShape ShapesIterator (Shapes);
253 for (;ShapesIterator.More (); ShapesIterator.Next ()) {
254 const TopoDS_Shape& newShape = ShapesIterator.Value ();
255 // TNaming_Evolution == MODIFY
256 if (!Root.IsSame (newShape)) ModFacesBuilder.Modify (Root,newShape );
257 }
258 }
259
260 //Deleted faces of the initial shape
261 View.Clear();
262 TNaming_Builder DelFacesBuilder(DeletedFaces);
263 ShapeExplorer.Init(box1, TopAbs_FACE);
264 for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
265 const TopoDS_Shape& Root = ShapeExplorer.Current ();
266 if (!View.Add(Root)) continue;
267 // TNaming_Evolution == DELETE
268 if (MKFILLET.IsDeleted (Root)) DelFacesBuilder.Delete (Root);
269 }
270
271 //New faces generated from vertices
272 View.Clear();
273 TNaming_Builder FaceFromVertexBuilder(FacesFromVertices);
274 ShapeExplorer.Init(box1, TopAbs_VERTEX);
275 for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
276 const TopoDS_Shape& Root = ShapeExplorer.Current ();
277 if (!View.Add(Root)) continue;
278 const TopTools_ListOfShape& Shapes = MKFILLET.Generated (Root);
279 TopTools_ListIteratorOfListOfShape ShapesIterator (Shapes);
280 for (;ShapesIterator.More (); ShapesIterator.Next ()) {
281 const TopoDS_Shape& newShape = ShapesIterator.Value ();
282 // TNaming_Evolution == GENERATED
283 if (!Root.IsSame (newShape)) FaceFromVertexBuilder.Generated (Root,newShape );
284 }
285 }
286 // =====================================================================
287 // 5.Create a Cut (Box1, Box2) as modification of Box1 and push it in DF
288 // Boolean operation - CUT Object=Box1, Tool=Box2
289 // =====================================================================
290
291 TDF_Label CutLabel = aLabel.FindChild(CutPOS);
292
293 // recover Object
294 Handle(TNaming_NamedShape) ObjectNS;
295 FilletLabel.FindAttribute(TNaming_NamedShape::GetID(), ObjectNS);
296 TopoDS_Shape OBJECT = ObjectNS->Get();
297
298 // Select Tool
299 TDF_Label ToolLabel = CutLabel.FindChild(1);
300 TNaming_Selector ToolSelector(ToolLabel);
301 Handle(TNaming_NamedShape) ToolNS;
302 Box2Label.FindAttribute(TNaming_NamedShape::GetID(), ToolNS);
303 const TopoDS_Shape& Tool = ToolNS->Get();
304 //TNaming_Evolution == SELECTED
305 ToolSelector.Select(Tool, Tool);
306 const TopoDS_Shape& TOOL = ToolSelector.NamedShape()->Get();
307
308 BRepAlgo_Cut mkCUT (OBJECT, TOOL);
309
310 if (!mkCUT.IsDone()) {
311 cout << "CUT: Algorithm failed" << endl;
312 return;
313 } else
314 {
315 TopTools_ListOfShape Larg;
316 Larg.Append(OBJECT);
317 Larg.Append(TOOL);
318
319 if (!BRepAlgo::IsValid(Larg, mkCUT.Shape(), Standard_True, Standard_False)) {
320
321 cout << "CUT: Result is not valid" << endl;
322 return;
323 } else
324 {
325 // push CUT results in DF as modification of Box1
326 TDF_Label Modified = CutLabel.FindChild(2);
327 TDF_Label Deleted = CutLabel.FindChild(3);
328 TDF_Label Intersections = CutLabel.FindChild(4);
329 TDF_Label NewFaces = CutLabel.FindChild(5);
330
331 TopoDS_Shape newS1 = mkCUT.Shape();
332 const TopoDS_Shape& ObjSh = mkCUT.Shape1();
333
334 //push in the DF result of CUT
335 TNaming_Builder CutBuilder (CutLabel);
336 // TNaming_Evolution == MODIFY
337 CutBuilder.Modify (ObjSh, newS1);
338
339 //push in the DF modified faces
340 View.Clear();
341 TNaming_Builder ModBuilder(Modified);
342 ShapeExplorer.Init(ObjSh, TopAbs_FACE);
343 for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
344 const TopoDS_Shape& Root = ShapeExplorer.Current ();
345 if (!View.Add(Root)) continue;
346 const TopTools_ListOfShape& Shapes = mkCUT.Modified (Root);
347 TopTools_ListIteratorOfListOfShape ShapesIterator (Shapes);
348 for (;ShapesIterator.More (); ShapesIterator.Next ()) {
349 const TopoDS_Shape& newShape = ShapesIterator.Value ();
350 // TNaming_Evolution == MODIFY
351 if (!Root.IsSame (newShape)) ModBuilder.Modify (Root,newShape );
352 }
353 }
354
355 //push in the DF deleted faces
356 View.Clear();
357 TNaming_Builder DelBuilder(Deleted);
358 ShapeExplorer.Init (ObjSh,TopAbs_FACE);
359 for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
360 const TopoDS_Shape& Root = ShapeExplorer.Current ();
361 if (!View.Add(Root)) continue;
362 // TNaming_Evolution == DELETE
363 if (mkCUT.IsDeleted (Root)) DelBuilder.Delete (Root);
364 }
365
366 // push in the DF section edges
367 TNaming_Builder IntersBuilder(Intersections);
368 Handle(TopOpeBRepBuild_HBuilder) build = mkCUT.Builder();
369 TopTools_ListIteratorOfListOfShape its = build->Section();
370 for (; its.More(); its.Next()) {
371 // TNaming_Evolution == SELECTED
372 IntersBuilder.Select(its.Value(),its.Value());
373 }
374
375 // push in the DF new faces added to the object:
376 const TopoDS_Shape& ToolSh = mkCUT.Shape2();
377 TNaming_Builder newBuilder (NewFaces);
378 ShapeExplorer.Init(ToolSh, TopAbs_FACE);
379 for (; ShapeExplorer.More(); ShapeExplorer.Next()) {
380 const TopoDS_Shape& F = ShapeExplorer.Current();
381 const TopTools_ListOfShape& modified = mkCUT.Modified(F);
382 if (!modified.IsEmpty()) {
383 TopTools_ListIteratorOfListOfShape itr(modified);
384 for (; itr.More (); itr.Next ()) {
385 const TopoDS_Shape& newShape = itr.Value();
386 Handle(TNaming_NamedShape) NS = TNaming_Tool::NamedShape(newShape, NewFaces);
387 if (NS.IsNull() || NS->Evolution() != TNaming_MODIFY) {
388 // TNaming_Evolution == GENERATED
389 newBuilder.Generated(F, newShape);
390 }
391 }
392 }
393 }
394 }
395 }
396 // end of CUT
397
398 // =================================================
399 // 6.Recover result from DF
400 // get final result - Box1 shape after CUT operation
401 // =================================================
402 Handle(TNaming_NamedShape) ResultNS;
403 CutLabel.FindAttribute(TNaming_NamedShape::GetID(), ResultNS);
404 const TopoDS_Shape& Result_1 = ResultNS->Get(); // here is result of cut operation
405 ResultNS.Nullify();
406 Box1Label.FindAttribute(TNaming_NamedShape::GetID(), ResultNS);
407 const TopoDS_Shape& Result_2 = TNaming_Tool::CurrentShape(ResultNS);//here is also result of cut operation
408
409 //
410 //Result_1 and Result_2 are the same shapes
411 //=========================================
412}
413#endif