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1 | // Created on: 1998-06-03 |
2 | // Created by: data exchange team |
3 | // Copyright (c) 1998-1999 Matra Datavision |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License 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. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _ShapeFix_Face_HeaderFile |
18 | #define _ShapeFix_Face_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <TopoDS_Face.hxx> |
24 | #include <TopoDS_Shape.hxx> |
25 | #include <Standard_Boolean.hxx> |
26 | #include <Standard_Integer.hxx> |
27 | #include <ShapeFix_Root.hxx> |
28 | #include <Standard_Real.hxx> |
29 | #include <TopTools_DataMapOfShapeListOfShape.hxx> |
30 | #include <TopTools_SequenceOfShape.hxx> |
31 | #include <ShapeFix_DataMapOfShapeBox2d.hxx> |
32 | #include <ShapeExtend_Status.hxx> |
33 | class ShapeAnalysis_Surface; |
34 | class ShapeFix_Wire; |
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35 | class Geom_Surface; |
36 | class ShapeExtend_BasicMsgRegistrator; |
37 | class TopoDS_Wire; |
38 | class ShapeExtend_WireData; |
39 | class TopoDS_Vertex; |
40 | |
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41 | // resolve name collisions with X11 headers |
42 | #ifdef Status |
43 | #undef Status |
44 | #endif |
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45 | |
46 | class ShapeFix_Face; |
47 | DEFINE_STANDARD_HANDLE(ShapeFix_Face, ShapeFix_Root) |
48 | |
49 | //! This operator allows to perform various fixes on face |
50 | //! and its wires: fixes provided by ShapeFix_Wire, |
51 | //! fixing orientation of wires, addition of natural bounds, |
52 | //! fixing of missing seam edge, |
53 | //! and detection and removal of null-area wires |
54 | class ShapeFix_Face : public ShapeFix_Root |
55 | { |
56 | |
57 | public: |
58 | |
59 | |
60 | //! Creates an empty tool |
61 | Standard_EXPORT ShapeFix_Face(); |
62 | |
63 | //! Creates a tool and loads a face |
64 | Standard_EXPORT ShapeFix_Face(const TopoDS_Face& face); |
65 | |
66 | //! Sets all modes to default |
67 | Standard_EXPORT virtual void ClearModes(); |
68 | |
69 | //! Loads a whole face already created, with its wires, sense and |
70 | //! location |
71 | Standard_EXPORT void Init (const TopoDS_Face& face); |
72 | |
73 | //! Starts the creation of the face |
74 | //! By default it will be FORWARD, or REVERSED if <fwd> is False |
75 | Standard_EXPORT void Init (const Handle(Geom_Surface)& surf, const Standard_Real preci, const Standard_Boolean fwd = Standard_True); |
76 | |
77 | //! Starts the creation of the face |
78 | //! By default it will be FORWARD, or REVERSED if <fwd> is False |
79 | Standard_EXPORT void Init (const Handle(ShapeAnalysis_Surface)& surf, const Standard_Real preci, const Standard_Boolean fwd = Standard_True); |
80 | |
81 | //! Sets message registrator |
82 | Standard_EXPORT virtual void SetMsgRegistrator (const Handle(ShapeExtend_BasicMsgRegistrator)& msgreg) Standard_OVERRIDE; |
83 | |
84 | //! Sets basic precision value (also to FixWireTool) |
85 | Standard_EXPORT virtual void SetPrecision (const Standard_Real preci) Standard_OVERRIDE; |
86 | |
87 | //! Sets minimal allowed tolerance (also to FixWireTool) |
88 | Standard_EXPORT virtual void SetMinTolerance (const Standard_Real mintol) Standard_OVERRIDE; |
89 | |
90 | //! Sets maximal allowed tolerance (also to FixWireTool) |
91 | Standard_EXPORT virtual void SetMaxTolerance (const Standard_Real maxtol) Standard_OVERRIDE; |
92 | |
93 | //! Returns (modifiable) the mode for applying fixes of |
94 | //! ShapeFix_Wire, by default True. |
95 | Standard_Integer& FixWireMode(); |
96 | |
97 | //! Returns (modifiable) the fix orientation mode, by default |
98 | //! True. If True, wires oriented to border limited square. |
99 | Standard_Integer& FixOrientationMode(); |
100 | |
101 | //! Returns (modifiable) the add natural bound mode. |
102 | //! If true, natural boundary is added on faces that miss them. |
103 | //! Default is False for faces with single wire (they are |
104 | //! handled by FixOrientation in that case) and True for others. |
105 | Standard_Integer& FixAddNaturalBoundMode(); |
106 | |
107 | //! Returns (modifiable) the fix missing seam mode, by default |
108 | //! True. If True, tries to insert seam is missed. |
109 | Standard_Integer& FixMissingSeamMode(); |
110 | |
111 | //! Returns (modifiable) the fix small area wire mode, by default |
112 | //! False. If True, drops small wires. |
113 | Standard_Integer& FixSmallAreaWireMode(); |
114 | |
115 | //! Returns (modifiable) the remove face with small area, by default |
116 | //! False. If True, drops faces with small outer wires. |
117 | Standard_Integer& RemoveSmallAreaFaceMode(); |
118 | |
119 | //! Returns (modifiable) the fix intersecting wires mode |
120 | //! by default True. |
121 | Standard_Integer& FixIntersectingWiresMode(); |
122 | |
123 | //! Returns (modifiable) the fix loop wires mode |
124 | //! by default True. |
125 | Standard_Integer& FixLoopWiresMode(); |
126 | |
127 | //! Returns (modifiable) the fix split face mode |
128 | //! by default True. |
129 | Standard_Integer& FixSplitFaceMode(); |
130 | |
131 | //! Returns (modifiable) the auto-correct precision mode |
132 | //! by default False. |
133 | Standard_Integer& AutoCorrectPrecisionMode(); |
134 | |
135 | //! Returns (modifiable) the activation flag for periodic |
136 | //! degenerated fix. False by default. |
137 | Standard_Integer& FixPeriodicDegeneratedMode(); |
138 | |
139 | //! Returns a face which corresponds to the current state |
140 | //! Warning: The finally produced face may be another one ... but with the |
141 | //! same support |
142 | TopoDS_Face Face() const; |
143 | |
144 | //! Returns resulting shape (Face or Shell if splitted) |
145 | //! To be used instead of Face() if FixMissingSeam involved |
146 | TopoDS_Shape Result() const; |
147 | |
148 | //! Add a wire to current face using BRep_Builder. |
149 | //! Wire is added without taking into account orientation of face |
150 | //! (as if face were FORWARD). |
151 | Standard_EXPORT void Add (const TopoDS_Wire& wire); |
152 | |
153 | //! Performs all the fixes, depending on modes |
154 | //! Function Status returns the status of last call to Perform() |
155 | //! ShapeExtend_OK : face was OK, nothing done |
156 | //! ShapeExtend_DONE1: some wires are fixed |
157 | //! ShapeExtend_DONE2: orientation of wires fixed |
158 | //! ShapeExtend_DONE3: missing seam added |
159 | //! ShapeExtend_DONE4: small area wire removed |
160 | //! ShapeExtend_DONE5: natural bounds added |
161 | //! ShapeExtend_FAIL1: some fails during fixing wires |
162 | //! ShapeExtend_FAIL2: cannot fix orientation of wires |
163 | //! ShapeExtend_FAIL3: cannot add missing seam |
164 | //! ShapeExtend_FAIL4: cannot remove small area wire |
165 | Standard_EXPORT Standard_Boolean Perform(); |
166 | |
167 | //! Fixes orientation of wires on the face |
168 | //! It tries to make all wires lie outside all others (according |
169 | //! to orientation) by reversing orientation of some of them. |
170 | //! If face lying on sphere or torus has single wire and |
171 | //! AddNaturalBoundMode is True, that wire is not reversed in |
172 | //! any case (supposing that natural bound will be added). |
173 | //! Returns True if wires were reversed |
174 | Standard_EXPORT Standard_Boolean FixOrientation(); |
175 | |
176 | //! Fixes orientation of wires on the face |
177 | //! It tries to make all wires lie outside all others (according |
178 | //! to orientation) by reversing orientation of some of them. |
179 | //! If face lying on sphere or torus has single wire and |
180 | //! AddNaturalBoundMode is True, that wire is not reversed in |
181 | //! any case (supposing that natural bound will be added). |
182 | //! Returns True if wires were reversed |
183 | //! OutWires return information about out wires + list of |
184 | //! internal wires for each (for performing split face). |
185 | Standard_EXPORT Standard_Boolean FixOrientation (TopTools_DataMapOfShapeListOfShape& MapWires); |
186 | |
187 | //! Adds natural boundary on face if it is missing. |
188 | //! Two cases are supported: |
189 | //! - face has no wires |
190 | //! - face lies on geometrically double-closed surface |
191 | //! (sphere or torus) and none of wires is left-oriented |
192 | //! Returns True if natural boundary was added |
193 | Standard_EXPORT Standard_Boolean FixAddNaturalBound(); |
194 | |
195 | //! Detects and fixes the special case when face on a closed |
196 | //! surface is given by two wires closed in 3d but with gap in 2d. |
197 | //! In that case it creates a new wire from the two, and adds a |
198 | //! missing seam edge |
199 | //! Returns True if missing seam was added |
200 | Standard_EXPORT Standard_Boolean FixMissingSeam(); |
201 | |
202 | //! Detects wires with small area (that is less than |
203 | //! 100*Precision::PConfusion(). Removes these wires if they are internal. |
204 | //! Returns : True if at least one small wire removed, |
205 | //! False if does nothing. |
206 | Standard_EXPORT Standard_Boolean FixSmallAreaWire (const Standard_Boolean theIsRemoveSmallFace); |
207 | |
208 | //! Detects if wire has a loop and fixes this situation by splitting on the few parts. |
209 | //! if wire has a loops and it was splitted Status was set to value ShapeExtend_DONE6. |
210 | Standard_EXPORT Standard_Boolean FixLoopWire (TopTools_SequenceOfShape& aResWires); |
211 | |
212 | //! Detects and fixes the special case when face has more than one wire |
213 | //! and this wires have intersection point |
214 | Standard_EXPORT Standard_Boolean FixIntersectingWires(); |
215 | |
216 | //! If wire contains two coincidence edges it must be removed |
217 | //! Queries on status after Perform() |
218 | Standard_EXPORT Standard_Boolean FixWiresTwoCoincEdges(); |
219 | |
220 | //! Split face if there are more than one out wire |
221 | //! using inrormation after FixOrientation() |
222 | Standard_EXPORT Standard_Boolean FixSplitFace (const TopTools_DataMapOfShapeListOfShape& MapWires); |
223 | |
224 | //! Fixes topology for a specific case when face is composed |
225 | //! by a single wire belting a periodic surface. In that case |
226 | //! a degenerated edge is reconstructed in the degenerated pole |
227 | //! of the surface. Initial wire gets consistent orientation. |
228 | //! Must be used in couple and before FixMissingSeam routine |
229 | Standard_EXPORT Standard_Boolean FixPeriodicDegenerated(); |
230 | |
231 | //! Returns the status of last call to Perform() |
232 | //! ShapeExtend_OK : face was OK, nothing done |
233 | //! ShapeExtend_DONE1: some wires are fixed |
234 | //! ShapeExtend_DONE2: orientation of wires fixed |
235 | //! ShapeExtend_DONE3: missing seam added |
236 | //! ShapeExtend_DONE4: small area wire removed |
237 | //! ShapeExtend_DONE5: natural bounds added |
238 | //! ShapeExtend_DONE8: face may be splited |
239 | //! ShapeExtend_FAIL1: some fails during fixing wires |
240 | //! ShapeExtend_FAIL2: cannot fix orientation of wires |
241 | //! ShapeExtend_FAIL3: cannot add missing seam |
242 | //! ShapeExtend_FAIL4: cannot remove small area wire |
243 | Standard_Boolean Status (const ShapeExtend_Status status) const; |
244 | |
245 | //! Returns tool for fixing wires. |
246 | Handle(ShapeFix_Wire) FixWireTool(); |
247 | |
248 | |
249 | |
250 | |
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251 | DEFINE_STANDARD_RTTIEXT(ShapeFix_Face,ShapeFix_Root) |
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252 | |
253 | protected: |
254 | |
255 | |
256 | Handle(ShapeAnalysis_Surface) mySurf; |
257 | TopoDS_Face myFace; |
258 | TopoDS_Shape myResult; |
259 | Handle(ShapeFix_Wire) myFixWire; |
260 | Standard_Boolean myFwd; |
261 | Standard_Integer myStatus; |
262 | |
263 | |
264 | private: |
265 | |
266 | |
267 | Standard_EXPORT Standard_Boolean SplitEdge (const Handle(ShapeExtend_WireData)& sewd, const Standard_Integer num, const Standard_Real param, const TopoDS_Vertex& vert, const Standard_Real preci, ShapeFix_DataMapOfShapeBox2d& boxes); |
268 | |
269 | Standard_EXPORT Standard_Boolean SplitEdge (const Handle(ShapeExtend_WireData)& sewd, const Standard_Integer num, const Standard_Real param1, const Standard_Real param2, const TopoDS_Vertex& vert, const Standard_Real preci, ShapeFix_DataMapOfShapeBox2d& boxes); |
270 | |
271 | Standard_Integer myFixWireMode; |
272 | Standard_Integer myFixOrientationMode; |
273 | Standard_Integer myFixAddNaturalBoundMode; |
274 | Standard_Integer myFixMissingSeamMode; |
275 | Standard_Integer myFixSmallAreaWireMode; |
276 | Standard_Integer myRemoveSmallAreaFaceMode; |
277 | Standard_Integer myFixLoopWiresMode; |
278 | Standard_Integer myFixIntersectingWiresMode; |
279 | Standard_Integer myFixSplitFaceMode; |
280 | Standard_Integer myAutoCorrectPrecisionMode; |
281 | Standard_Integer myFixPeriodicDegenerated; |
282 | |
283 | |
284 | }; |
285 | |
286 | |
287 | #include <ShapeFix_Face.lxx> |
288 | |
289 | |
290 | |
291 | |
292 | |
293 | #endif // _ShapeFix_Face_HeaderFile |