| 4e57c75e |
1 | -- Created by: Peter KURNEV |
| 2 | -- Copyright (c) 1999-2012 OPEN CASCADE SAS |
| 3 | -- |
| 4 | -- The content of this file is subject to the Open CASCADE Technology Public |
| 5 | -- License Version 6.5 (the "License"). You may not use the content of this file |
| 6 | -- except in compliance with the License. Please obtain a copy of the License |
| 7 | -- at http://www.opencascade.org and read it completely before using this file. |
| 8 | -- |
| 9 | -- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 10 | -- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 11 | -- |
| 12 | -- The Original Code and all software distributed under the License is |
| 13 | -- distributed on an "AS IS" basis, without warranty of any kind, and the |
| 14 | -- Initial Developer hereby disclaims all such warranties, including without |
| 15 | -- limitation, any warranties of merchantability, fitness for a particular |
| 16 | -- purpose or non-infringement. Please see the License for the specific terms |
| 17 | -- and conditions governing the rights and limitations under the License. |
| 18 | |
| 19 | |
| 20 | class Context from BOPInt |
| 21 | inherits TShared from MMgt |
| 22 | |
| 23 | |
| 24 | ---Purpose: |
| 25 | -- The intersection Context contains geometrical |
| 26 | -- and topological toolkit (classifiers, projectors, etc). |
| 27 | -- The intersection Context is for caching the tools |
| 28 | -- to increase the performance. |
| 29 | |
| 30 | |
| 31 | uses |
| 32 | |
| 33 | Pnt2d from gp, |
| 34 | Pnt from gp, |
| 35 | State from TopAbs, |
| 36 | Curve from Geom, |
| 37 | ProjectPointOnCurve from GeomAPI, |
| 38 | ProjectPointOnSurf from GeomAPI, |
| 39 | Vertex from TopoDS, |
| 40 | Face from TopoDS, |
| 41 | Edge from TopoDS, |
| 42 | Solid from TopoDS, |
| 43 | SolidClassifier from BRepClass3d, |
| 44 | FClass2d from IntTools, |
| 45 | Curve from IntTools, |
| 46 | BaseAllocator from BOPCol, |
| 47 | DataMapOfShapeAddress from BOPCol, |
| 48 | DataMapOfTransientAddress from BOPCol, |
| 49 | Hatcher from Geom2dHatch, |
| 50 | SurfaceRangeLocalizeData from IntTools |
| 51 | |
| 52 | --raises |
| 53 | |
| 54 | is |
| 55 | Create |
| 56 | returns mutable Context from BOPInt; |
| 57 | ---C++: alias "Standard_EXPORT virtual ~BOPInt_Context();" |
| 58 | |
| 59 | Create (theAllocator: BaseAllocator from BOPCol) |
| 60 | returns Context from BOPInt; |
| 61 | |
| 62 | FClass2d(me:mutable; |
| 63 | aF: Face from TopoDS) |
| 64 | returns FClass2d from IntTools; |
| 65 | ---C++: return & |
| 66 | ---Purpose: |
| 67 | --- Returns a reference to point classifier |
| 68 | --- for given face |
| 69 | --- |
| 70 | |
| 71 | ProjPS (me:mutable; |
| 72 | aF: Face from TopoDS) |
| 73 | returns ProjectPointOnSurf from GeomAPI; |
| 74 | ---C++: return & |
| 75 | ---Purpose: |
| 76 | --- Returns a reference to point projector |
| 77 | --- for given face |
| 78 | --- |
| 79 | |
| 80 | ProjPC (me:mutable; |
| 81 | aE: Edge from TopoDS) |
| 82 | returns ProjectPointOnCurve from GeomAPI; |
| 83 | ---C++: return & |
| 84 | ---Purpose: |
| 85 | --- Returns a reference to point projector |
| 86 | --- for given edge |
| 87 | --- |
| 88 | |
| 89 | ProjPT (me:mutable; |
| 90 | aC: Curve from Geom) |
| 91 | returns ProjectPointOnCurve from GeomAPI; |
| 92 | ---C++: return & |
| 93 | ---Purpose: |
| 94 | --- Returns a reference to point projector |
| 95 | --- for given curve |
| 96 | --- |
| 97 | |
| 98 | SurfaceData(me: mutable; |
| 99 | aF: Face from TopoDS) |
| 100 | returns SurfaceRangeLocalizeData from IntTools; |
| 101 | ---C++: return & |
| 102 | ---Purpose: |
| 103 | --- Returns a reference to surface localization data |
| 104 | --- for given face |
| 105 | |
| 106 | SolidClassifier(me:mutable; |
| 107 | aSolid: Solid from TopoDS) |
| 108 | returns SolidClassifier from BRepClass3d; |
| 109 | ---C++: return & |
| 110 | ---Purpose: |
| 111 | --- Returns a reference to solid classifier |
| 112 | --- for given solid |
| 113 | --- |
| 114 | |
| 115 | Hatcher(me: mutable; |
| 116 | aF: Face from TopoDS) |
| 117 | returns Hatcher from Geom2dHatch; |
| 118 | ---C++: return & |
| 119 | ---Purpose: |
| 120 | --- Returns a reference to 2D hatcher |
| 121 | --- for given face |
| 122 | --- |
| 123 | |
| 124 | ComputePE (me:mutable; |
| 125 | theP : Pnt from gp; |
| 126 | theTolP: Real from Standard; |
| 127 | theE : Edge from TopoDS; |
| 128 | theT :out Real from Standard) |
| 129 | returns Integer from Standard; |
| 130 | ---Purpose: |
| 131 | --- Computes parameter of the Point theP on |
| 132 | --- the edge aE. |
| 133 | --- Returns zero if the distance between point |
| 134 | --- and edge is less than sum of tolerance value of edge and theTopP, |
| 135 | --- otherwise and for following conditions returns |
| 136 | --- negative value |
| 137 | --- 1. the edge is degenerated (-1) |
| 138 | --- 2. the edge does not contain 3d curve and pcurves (-2) |
| 139 | --- 3. projection algorithm failed (-3) |
| 140 | --- |
| 141 | |
| 142 | ComputeVE (me:mutable; |
| 143 | aV : Vertex from TopoDS; |
| 144 | aE : Edge from TopoDS; |
| 145 | aT :out Real from Standard) |
| 146 | returns Integer from Standard; |
| 147 | ---Purpose: |
| 148 | --- Computes parameter of the vertex aV on |
| 149 | --- the edge aE. |
| 150 | --- Returns zero if the distance between vertex |
| 151 | --- and edge is less than sum of tolerances, |
| 152 | --- otherwise and for following conditions returns |
| 153 | --- negative value |
| 154 | --- 1. the edge is degenerated (-1) |
| 155 | --- 2. the edge does not contain 3d curve and pcurves (-2) |
| 156 | --- 3. projection algorithm failed (-3) |
| 157 | --- |
| 158 | |
| 159 | --ComputeVE (me:mutable; |
| 160 | --aV : Vertex from TopoDS; |
| 161 | --aE : Edge from TopoDS; |
| 162 | --aT :out Real from Standard; |
| 163 | --bToUpdateVertex:out Boolean from Standard; |
| 164 | --aDist :out Real from Standard) |
| 165 | --returns Integer from Standard; |
| 166 | ---Purpose: |
| 167 | --- Computes parameter aT of the vertex aV on |
| 168 | --- the edge aE. |
| 169 | --- Returns zero if the distance between vertex |
| 170 | --- and edge is less than sum of tolerances, |
| 171 | --- otherwise and for following conditions returns |
| 172 | --- negative value |
| 173 | --- 1. the edge is degenerated (-1) |
| 174 | --- 2. the edge does not contain 3d curve and pcurves (-2) |
| 175 | --- 3. projection algorithm failed (-3) |
| 176 | --- |
| 177 | --- Output parameters |
| 178 | --- bToUpdateVertex - the flag that indicates whether the |
| 179 | --- vertex tolerance should be modified or not |
| 180 | --- aDist - the value of the distance between the vertex |
| 181 | --- and the edge |
| 182 | |
| 183 | |
| 184 | |
| 185 | ComputeVF (me:mutable; |
| 186 | aV : Vertex from TopoDS; |
| 187 | aF : Face from TopoDS; |
| 188 | U : out Real from Standard; |
| 189 | V : out Real from Standard) |
| 190 | returns Integer from Standard; |
| 191 | ---Purpose: |
| 192 | --- Computes UV parameters of the vertex aV on face aF |
| 193 | --- Returns zero if the distance between vertex and face is |
| 194 | --- less than or equal the sum of tolerances and the projection |
| 195 | --- point lays inside boundaries of the face. |
| 196 | --- For following conditions returns negative value |
| 197 | --- 1. projection algorithm failed (-1) |
| 198 | --- 2. distance is more than sum of tolerances (-2) |
| 199 | --- 3. projection point out or on the boundaries of face (-3) |
| 200 | --- |
| 201 | |
| 202 | StatePointFace(me:mutable; |
| 203 | aF : Face from TopoDS; |
| 204 | aP2D : Pnt2d from gp) |
| 205 | returns State from TopAbs; |
| 206 | ---Purpose: |
| 207 | --- Returns the state of the point aP2D |
| 208 | --- relative to face aF |
| 209 | --- |
| 210 | |
| 211 | IsPointInFace(me:mutable; |
| 212 | aF : Face from TopoDS; |
| 213 | aP2D : Pnt2d from gp) |
| 214 | returns Boolean from Standard; |
| 215 | ---Purpose: |
| 216 | --- Returns true if the point aP2D is |
| 217 | --- inside the boundaries of the face aF, |
| 218 | --- otherwise returns false |
| 219 | --- |
| 220 | |
| 221 | |
| 222 | IsPointInOnFace(me:mutable; |
| 223 | aF : Face from TopoDS; |
| 224 | aP2D : Pnt2d from gp) |
| 225 | returns Boolean from Standard; |
| 226 | ---Purpose: |
| 227 | --- Returns true if the point aP2D is |
| 228 | --- inside or on the boundaries of aF |
| 229 | --- |
| 230 | |
| 231 | IsValidPointForFace(me:mutable; |
| 232 | aP3D : Pnt from gp; |
| 233 | aF : Face from TopoDS; |
| 234 | aTol : Real from Standard) |
| 235 | returns Boolean from Standard; |
| 236 | ---Purpose: |
| 237 | --- Returns true if the distance between point aP3D |
| 238 | --- and face aF is less or equal to tolerance aTol |
| 239 | --- and projection point is inside or on the boundaries |
| 240 | --- of the face aF |
| 241 | --- |
| 242 | |
| 243 | IsValidPointForFaces(me:mutable; |
| 244 | aP3D : Pnt from gp; |
| 245 | aF1 : Face from TopoDS; |
| 246 | aF2 : Face from TopoDS; |
| 247 | aTol : Real from Standard) |
| 248 | returns Boolean from Standard; |
| 249 | ---Purpose: |
| 250 | --- Returns true if IsValidPointForFace returns true |
| 251 | --- for both face aF1 and aF2 |
| 252 | --- |
| 253 | |
| 254 | IsValidBlockForFace (me:mutable; |
| 255 | aT1 : Real from Standard; |
| 256 | aT2 : Real from Standard; |
| 257 | aIC : Curve from IntTools; |
| 258 | aF : Face from TopoDS; |
| 259 | aTol : Real from Standard) |
| 260 | returns Boolean from Standard; |
| 261 | ---Purpose: |
| 262 | --- Returns true if IsValidPointForFace returns true |
| 263 | --- for some 3d point that lay on the curve aIC bounded by |
| 264 | --- parameters aT1 and aT2 |
| 265 | --- |
| 266 | |
| 267 | IsValidBlockForFaces (me:mutable; |
| 268 | aT1 : Real from Standard; |
| 269 | aT2 : Real from Standard; |
| 270 | aIC : Curve from IntTools; |
| 271 | aF1 : Face from TopoDS; |
| 272 | aF2 : Face from TopoDS; |
| 273 | aTol : Real from Standard) |
| 274 | returns Boolean from Standard; |
| 275 | ---Purpose: |
| 276 | --- Returns true if IsValidBlockForFace returns true |
| 277 | --- for both faces aF1 and aF2 |
| 278 | --- |
| 279 | |
| 280 | IsVertexOnLine(me:mutable; |
| 281 | aV : Vertex from TopoDS; |
| 282 | aIC : Curve from IntTools; |
| 283 | aTolC: Real from Standard; |
| 284 | aT :out Real from Standard) |
| 285 | returns Boolean from Standard; |
| 286 | ---Purpose: |
| 287 | --- Computes parameter of the vertex aV on |
| 288 | --- the curve aIC. |
| 289 | --- Returns true if the distance between vertex and |
| 290 | --- curve is less than sum of tolerance of aV and aTolC, |
| 291 | --- otherwise or if projection algorithm failed |
| 292 | --- returns false (in this case aT isn't significant) |
| 293 | --- |
| 294 | |
| 295 | IsVertexOnLine(me:mutable; |
| 296 | aV : Vertex from TopoDS; |
| 297 | aTolV: Real from Standard; |
| 298 | aIC : Curve from IntTools; |
| 299 | aTolC: Real from Standard; |
| 300 | aT :out Real from Standard) |
| 301 | returns Boolean from Standard; |
| 302 | ---Purpose: |
| 303 | --- Computes parameter of the vertex aV on |
| 304 | --- the curve aIC. |
| 305 | --- Returns true if the distance between vertex and |
| 306 | --- curve is less than sum of tolerance of aV and aTolC, |
| 307 | --- otherwise or if projection algorithm failed |
| 308 | --- returns false (in this case aT isn't significant) |
| 309 | --- |
| 310 | |
| 311 | ProjectPointOnEdge (me:mutable; |
| 312 | aP : Pnt from gp; |
| 313 | aE : Edge from TopoDS; |
| 314 | aT :out Real from Standard) |
| 315 | returns Boolean from Standard; |
| 316 | ---Purpose: |
| 317 | --- Computes parameter of the point aP on |
| 318 | --- the edge aE. |
| 319 | --- Returns false if projection algorithm failed |
| 320 | --- other wiese returns true. |
| 321 | --- |
| 322 | |
| 323 | fields |
| 324 | myAllocator : BaseAllocator from BOPCol is protected; |
| 325 | myFClass2dMap:DataMapOfShapeAddress from BOPCol is protected; |
| 326 | myProjPSMap :DataMapOfShapeAddress from BOPCol is protected; |
| 327 | myProjPCMap :DataMapOfShapeAddress from BOPCol is protected; |
| 328 | mySClassMap :DataMapOfShapeAddress from BOPCol is protected; |
| 329 | myProjPTMap :DataMapOfTransientAddress from BOPCol is protected; |
| 330 | myHatcherMap :DataMapOfShapeAddress from BOPCol is protected; |
| 331 | myProjSDataMap:DataMapOfShapeAddress from BOPCol is protected; |
| 332 | myCreateFlag :Integer from Standard is protected; |
| 333 | |
| 334 | end Context; |
| 335 | |
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