src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_Tools.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include <PlaneGCSSolver_Tools.h>
  21 #include <PlaneGCSSolver_EdgeWrapper.h>
  22 #include <PlaneGCSSolver_PointWrapper.h>
  23 #include <PlaneGCSSolver_ScalarWrapper.h>
  24 #include <PlaneGCSSolver_ConstraintWrapper.h>
  25
  26 #include <SketchSolver_Constraint.h>
  27 #include <SketchSolver_ConstraintAngle.h>
  28 #include <SketchSolver_ConstraintCoincidence.h>
  29 #include <SketchPlugin_ConstraintCoincidenceInternal.h>
  30 #include <SketchSolver_ConstraintCollinear.h>
  31 #include <SketchSolver_ConstraintDistance.h>
  32 #include <SketchSolver_ConstraintEqual.h>
  33 #include <SketchSolver_ConstraintFixed.h>
  34 #include <SketchSolver_ConstraintLength.h>
  35 #include <SketchSolver_ConstraintMiddle.h>
  36 #include <SketchSolver_ConstraintMirror.h>
  37 #include <SketchSolver_ConstraintTangent.h>
  38 #include <SketchSolver_ConstraintMultiRotation.h>
  39 #include <SketchSolver_ConstraintMultiTranslation.h>
  40
  41 #include <SketchPlugin_ConstraintAngle.h>
  42 #include <SketchPlugin_ConstraintCoincidence.h>
  43 #include <SketchPlugin_ConstraintCollinear.h>
  44 #include <SketchPlugin_ConstraintDistance.h>
  45 #include <SketchPlugin_ConstraintDistanceHorizontal.h>
  46 #include <SketchPlugin_ConstraintDistanceVertical.h>
  47 #include <SketchPlugin_ConstraintEqual.h>
  48 #include <SketchPlugin_ConstraintLength.h>
  49 #include <SketchPlugin_ConstraintMiddle.h>
  50 #include <SketchPlugin_ConstraintMirror.h>
  51 #include <SketchPlugin_ConstraintRigid.h>
  52 #include <SketchPlugin_ConstraintTangent.h>
  53 #include <SketchPlugin_Line.h>
  54 #include <SketchPlugin_MultiRotation.h>
  55 #include <SketchPlugin_MultiTranslation.h>
  56
  57 #include <cmath>
  58
  59
  60 #define GCS_EDGE_WRAPPER(x)   std::dynamic_pointer_cast<PlaneGCSSolver_EdgeWrapper>(x)
  61 #define GCS_POINT_WRAPPER(x)  std::dynamic_pointer_cast<PlaneGCSSolver_PointWrapper>(x)
  62 #define GCS_SCALAR_WRAPPER(x) std::dynamic_pointer_cast<PlaneGCSSolver_ScalarWrapper>(x)
  63
  64
  65
  66 static ConstraintWrapperPtr
  67   createConstraintCoincidence(std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint1,
  68                               std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint2);
  69 static ConstraintWrapperPtr
  70   createConstraintPointOnEntity(const SketchSolver_ConstraintType& theType,
  71                                 std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint,
  72                                 std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity);
  73 static ConstraintWrapperPtr
  74   createConstraintDistancePointPoint(std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
  75                                      std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint1,
  76                                      std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint2);
  77 static ConstraintWrapperPtr
  78   createConstraintDistancePointLine(std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
  79                                     std::shared_ptr<PlaneGCSSolver_PointWrapper>  thePoint,
  80                                     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity);
  81 static ConstraintWrapperPtr
  82   createConstraintHVDistance(const SketchSolver_ConstraintType& theType,
  83                              std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
  84                              std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint1,
  85                              std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint2);
  86 static ConstraintWrapperPtr
  87   createConstraintRadius(std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
  88                          std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity);
  89 static ConstraintWrapperPtr
  90   createConstraintAngle(ConstraintPtr theConstraint,
  91                         std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
  92                         std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity1,
  93                         std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity2);
  94 static ConstraintWrapperPtr
  95   createConstraintHorizVert(const SketchSolver_ConstraintType& theType,
  96                             std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity);
  97 static ConstraintWrapperPtr
  98   createConstraintParallel(std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity1,
  99                            std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity2);
 100 static ConstraintWrapperPtr
 101   createConstraintPerpendicular(std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity1,
 102                                 std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity2);
 103 static ConstraintWrapperPtr
 104   createConstraintEqual(const SketchSolver_ConstraintType& theType,
 105                         std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity1,
 106                         std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity2,
 107                         std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theIntermed);
 108 static ConstraintWrapperPtr
 109   createConstraintMiddlePoint(std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint,
 110                               std::shared_ptr<PlaneGCSSolver_EdgeWrapper>  theEntity,
 111                               std::shared_ptr<PlaneGCSSolver_PointWrapper> theAuxParameters);
 112
 113 static GCS::SET_pD scalarParameters(const ScalarWrapperPtr& theScalar);
 114 static GCS::SET_pD pointParameters(const PointWrapperPtr& thePoint);
 115 static GCS::SET_pD lineParameters(const EdgeWrapperPtr& theLine);
 116 static GCS::SET_pD circleParameters(const EdgeWrapperPtr& theCircle);
 117 static GCS::SET_pD arcParameters(const EdgeWrapperPtr& theArc);
 118 static GCS::SET_pD ellipseParameters(const EdgeWrapperPtr& theEllipse);
 119
 120
 121
 122
 123
 124 SolverConstraintPtr PlaneGCSSolver_Tools::createConstraint(ConstraintPtr theConstraint)
 125 {
 126   if (theConstraint->getKind() == SketchPlugin_ConstraintCoincidence::ID() ||
 127       theConstraint->getKind() == SketchPlugin_ConstraintCoincidenceInternal::ID()) {
 128     return SolverConstraintPtr(new SketchSolver_ConstraintCoincidence(theConstraint));
 129   } else if (theConstraint->getKind() == SketchPlugin_ConstraintCollinear::ID()) {
 130     return SolverConstraintPtr(new SketchSolver_ConstraintCollinear(theConstraint));
 131   } else if (theConstraint->getKind() == SketchPlugin_ConstraintDistance::ID() ||
 132              theConstraint->getKind() == SketchPlugin_ConstraintDistanceHorizontal::ID() ||
 133              theConstraint->getKind() == SketchPlugin_ConstraintDistanceVertical::ID()) {
 134     return SolverConstraintPtr(new SketchSolver_ConstraintDistance(theConstraint));
 135   } else if (theConstraint->getKind() == SketchPlugin_ConstraintEqual::ID()) {
 136     return SolverConstraintPtr(new SketchSolver_ConstraintEqual(theConstraint));
 137   } else if (theConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
 138     return SolverConstraintPtr(new SketchSolver_ConstraintLength(theConstraint));
 139   } else if (theConstraint->getKind() == SketchPlugin_ConstraintMiddle::ID()) {
 140     return SolverConstraintPtr(new SketchSolver_ConstraintMiddle(theConstraint));
 141   } else if (theConstraint->getKind() == SketchPlugin_ConstraintMirror::ID()) {
 142     return SolverConstraintPtr(new SketchSolver_ConstraintMirror(theConstraint));
 143   } else if (theConstraint->getKind() == SketchPlugin_ConstraintTangent::ID()) {
 144     return SolverConstraintPtr(new SketchSolver_ConstraintTangent(theConstraint));
 145   } else if (theConstraint->getKind() == SketchPlugin_ConstraintRigid::ID()) {
 146     return SolverConstraintPtr(new SketchSolver_ConstraintFixed(theConstraint));
 147   } else if (theConstraint->getKind() == SketchPlugin_MultiTranslation::ID()) {
 148     return SolverConstraintPtr(new SketchSolver_ConstraintMultiTranslation(theConstraint));
 149   } else if (theConstraint->getKind() == SketchPlugin_MultiRotation::ID()) {
 150     return SolverConstraintPtr(new SketchSolver_ConstraintMultiRotation(theConstraint));
 151   } else if (theConstraint->getKind() == SketchPlugin_ConstraintAngle::ID()) {
 152     return SolverConstraintPtr(new SketchSolver_ConstraintAngle(theConstraint));
 153   }
 154   // All other types of constraints
 155   return SolverConstraintPtr(new SketchSolver_Constraint(theConstraint));
 156 }
 157
 158 std::shared_ptr<SketchSolver_ConstraintMovement> PlaneGCSSolver_Tools::createMovementConstraint(
 159     FeaturePtr theMovedFeature)
 160 {
 161   return std::shared_ptr<SketchSolver_ConstraintMovement>(
 162       new SketchSolver_ConstraintMovement(theMovedFeature));
 163 }
 164
 165 std::shared_ptr<SketchSolver_ConstraintMovement> PlaneGCSSolver_Tools::createMovementConstraint(
 166     AttributePtr theMovedAttribute)
 167 {
 168   return std::shared_ptr<SketchSolver_ConstraintMovement>(
 169       new SketchSolver_ConstraintMovement(theMovedAttribute));
 170 }
 171
 172
 173
 174 ConstraintWrapperPtr PlaneGCSSolver_Tools::createConstraint(
 175     ConstraintPtr theConstraint,
 176     const SketchSolver_ConstraintType& theType,
 177     const EntityWrapperPtr& theValue,
 178     const EntityWrapperPtr& thePoint1,
 179     const EntityWrapperPtr& thePoint2,
 180     const EntityWrapperPtr& theEntity1,
 181     const EntityWrapperPtr& theEntity2)
 182 {
 183   ConstraintWrapperPtr aResult;
 184   ScalarWrapperPtr anIntermediate;
 185
 186   std::shared_ptr<PlaneGCSSolver_PointWrapper> aPoint1 = GCS_POINT_WRAPPER(thePoint1);
 187   std::shared_ptr<PlaneGCSSolver_PointWrapper> aPoint2 = GCS_POINT_WRAPPER(thePoint2);
 188
 189   switch (theType) {
 190   case CONSTRAINT_PT_PT_COINCIDENT:
 191     aResult = createConstraintCoincidence(aPoint1, aPoint2);
 192     break;
 193   case CONSTRAINT_PT_ON_LINE:
 194   case CONSTRAINT_PT_ON_CIRCLE:
 195     aResult = createConstraintPointOnEntity(theType, aPoint1, GCS_EDGE_WRAPPER(theEntity1));
 196     break;
 197   case CONSTRAINT_MIDDLE_POINT:
 198     aResult = createConstraintMiddlePoint(aPoint1, GCS_EDGE_WRAPPER(theEntity1), aPoint2);
 199     break;
 200   case CONSTRAINT_PT_PT_DISTANCE:
 201     aResult = createConstraintDistancePointPoint(GCS_SCALAR_WRAPPER(theValue), aPoint1, aPoint2);
 202     break;
 203   case CONSTRAINT_PT_LINE_DISTANCE:
 204     aResult = createConstraintDistancePointLine(GCS_SCALAR_WRAPPER(theValue),
 205                                                 aPoint1,
 206                                                 GCS_EDGE_WRAPPER(theEntity1));
 207     break;
 208   case CONSTRAINT_HORIZONTAL_DISTANCE:
 209   case CONSTRAINT_VERTICAL_DISTANCE:
 210     aResult = createConstraintHVDistance(theType, GCS_SCALAR_WRAPPER(theValue), aPoint1, aPoint2);
 211     break;
 212   case CONSTRAINT_RADIUS:
 213     aResult = createConstraintRadius(GCS_SCALAR_WRAPPER(theValue),
 214                                      GCS_EDGE_WRAPPER(theEntity1));
 215     break;
 216   case CONSTRAINT_ANGLE:
 217     aResult = createConstraintAngle(theConstraint,
 218                   GCS_SCALAR_WRAPPER(theValue),
 219                   GCS_EDGE_WRAPPER(theEntity1), GCS_EDGE_WRAPPER(theEntity2));
 220     break;
 221   case CONSTRAINT_FIXED:
 222     break;
 223   case CONSTRAINT_HORIZONTAL:
 224   case CONSTRAINT_VERTICAL:
 225     aResult = createConstraintHorizVert(theType, GCS_EDGE_WRAPPER(theEntity1));
 226     break;
 227   case CONSTRAINT_PARALLEL:
 228     aResult = createConstraintParallel(GCS_EDGE_WRAPPER(theEntity1),
 229                                        GCS_EDGE_WRAPPER(theEntity2));
 230     break;
 231   case CONSTRAINT_PERPENDICULAR:
 232     aResult = createConstraintPerpendicular(GCS_EDGE_WRAPPER(theEntity1),
 233                                             GCS_EDGE_WRAPPER(theEntity2));
 234     break;
 235   case CONSTRAINT_EQUAL_LINES:
 236     anIntermediate = GCS_SCALAR_WRAPPER(theValue); // parameter is used to store length of lines
 237   case CONSTRAINT_EQUAL_LINE_ARC:
 238   case CONSTRAINT_EQUAL_RADIUS:
 239     aResult = createConstraintEqual(theType,
 240                                     GCS_EDGE_WRAPPER(theEntity1),
 241                                     GCS_EDGE_WRAPPER(theEntity2),
 242                                     anIntermediate);
 243     break;
 244   default:
 245     break;
 246   }
 247
 248   return aResult;
 249 }
 250
 251 std::shared_ptr<GeomAPI_Pnt2d> PlaneGCSSolver_Tools::point(EntityWrapperPtr theEntity)
 252 {
 253   if (theEntity->type() != ENTITY_POINT)
 254     return std::shared_ptr<GeomAPI_Pnt2d>();
 255
 256   std::shared_ptr<PlaneGCSSolver_PointWrapper> aPointWrapper =
 257       std::dynamic_pointer_cast<PlaneGCSSolver_PointWrapper>(theEntity);
 258   const GCSPointPtr& aPoint = aPointWrapper->point();
 259   return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(*aPoint->x, *aPoint->y));
 260 }
 261
 262 std::shared_ptr<GeomAPI_Lin2d> PlaneGCSSolver_Tools::line(EntityWrapperPtr theEntity)
 263 {
 264   if (theEntity->type() != ENTITY_LINE)
 265     return std::shared_ptr<GeomAPI_Lin2d>();
 266
 267   std::shared_ptr<PlaneGCSSolver_EdgeWrapper> anEntity =
 268       std::dynamic_pointer_cast<PlaneGCSSolver_EdgeWrapper>(theEntity);
 269   std::shared_ptr<GCS::Line> aLine = std::dynamic_pointer_cast<GCS::Line>(anEntity->entity());
 270   return std::shared_ptr<GeomAPI_Lin2d>(
 271       new GeomAPI_Lin2d(*(aLine->p1.x), *(aLine->p1.y), *(aLine->p2.x), *(aLine->p2.y)));
 272 }
 273
 274 std::shared_ptr<GeomAPI_Lin2d> PlaneGCSSolver_Tools::line(FeaturePtr theFeature)
 275 {
 276   if (theFeature->getKind() != SketchPlugin_Line::ID())
 277     return std::shared_ptr<GeomAPI_Lin2d>();
 278
 279   AttributePoint2DPtr aStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 280       theFeature->attribute(SketchPlugin_Line::START_ID()));
 281   AttributePoint2DPtr aEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 282       theFeature->attribute(SketchPlugin_Line::END_ID()));
 283
 284   return std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aStart->pnt(), aEnd->pnt()));
 285 }
 286
 287
 288 GCS::SET_pD PlaneGCSSolver_Tools::parameters(const EntityWrapperPtr& theEntity)
 289 {
 290   switch (theEntity->type()) {
 291   case ENTITY_SCALAR:
 292   case ENTITY_ANGLE:
 293     return scalarParameters(GCS_SCALAR_WRAPPER(theEntity));
 294   case ENTITY_POINT:
 295     return pointParameters(GCS_POINT_WRAPPER(theEntity));
 296   case ENTITY_LINE:
 297     return lineParameters(GCS_EDGE_WRAPPER(theEntity));
 298   case ENTITY_CIRCLE:
 299     return circleParameters(GCS_EDGE_WRAPPER(theEntity));
 300   case ENTITY_ARC:
 301     return arcParameters(GCS_EDGE_WRAPPER(theEntity));
 302   case ENTITY_ELLIPSE:
 303     return ellipseParameters(GCS_EDGE_WRAPPER(theEntity));
 304   default: break;
 305   }
 306   return GCS::SET_pD();
 307 }
 308
 309
 310
 311
 312
 313
 314 // ================   Auxiliary functions   ==========================
 315 ConstraintWrapperPtr createConstraintCoincidence(
 316     std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint1,
 317     std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint2)
 318 {
 319   GCSPointPtr aPoint1 = thePoint1->point();
 320   GCSPointPtr aPoint2 = thePoint2->point();
 321
 322   // Create equality constraint for corresponding attributes of the points
 323   std::list<GCSConstraintPtr> aConstrList;
 324   aConstrList.push_back(
 325       GCSConstraintPtr(new GCS::ConstraintEqual(aPoint1->x, aPoint2->x)));
 326   aConstrList.push_back(
 327       GCSConstraintPtr(new GCS::ConstraintEqual(aPoint1->y, aPoint2->y)));
 328
 329   return ConstraintWrapperPtr(new PlaneGCSSolver_ConstraintWrapper(
 330       aConstrList, CONSTRAINT_PT_PT_COINCIDENT));
 331 }
 332
 333 ConstraintWrapperPtr createConstraintPointOnEntity(
 334     const SketchSolver_ConstraintType& theType,
 335     std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint,
 336     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity)
 337 {
 338   GCSConstraintPtr aNewConstr;
 339
 340   switch (theEntity->type()) {
 341   case ENTITY_LINE: {
 342     std::shared_ptr<GCS::Line> aLine = std::dynamic_pointer_cast<GCS::Line>(theEntity->entity());
 343     aNewConstr = GCSConstraintPtr(new GCS::ConstraintPointOnLine(*(thePoint->point()), *aLine));
 344     break;
 345     }
 346   case ENTITY_ARC:
 347   case ENTITY_CIRCLE: {
 348     std::shared_ptr<GCS::Circle> aCirc =
 349       std::dynamic_pointer_cast<GCS::Circle>(theEntity->entity());
 350     aNewConstr = GCSConstraintPtr(
 351         new GCS::ConstraintP2PDistance(*(thePoint->point()), aCirc->center, aCirc->rad));
 352     break;
 353     }
 354   case ENTITY_ELLIPSE:
 355   case ENTITY_ELLIPTICAL_ARC: {
 356     std::shared_ptr<GCS::Ellipse> anEllipse =
 357         std::dynamic_pointer_cast<GCS::Ellipse>(theEntity->entity());
 358     aNewConstr = GCSConstraintPtr(
 359         new GCS::ConstraintPointOnEllipse(*(thePoint->point()), *anEllipse));
 360     break;
 361     }
 362   default:
 363     return ConstraintWrapperPtr();
 364   }
 365
 366   return ConstraintWrapperPtr(new PlaneGCSSolver_ConstraintWrapper(aNewConstr, theType));
 367 }
 368
 369 ConstraintWrapperPtr createConstraintMiddlePoint(
 370     std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint,
 371     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity,
 372     std::shared_ptr<PlaneGCSSolver_PointWrapper> theAuxParameters)
 373 {
 374   std::list<GCSConstraintPtr> aConstrList;
 375
 376   GCSPointPtr aPoint = thePoint->point();
 377   std::shared_ptr<GCS::Line> aLine = std::dynamic_pointer_cast<GCS::Line>(theEntity->entity());
 378   if (aLine) {
 379     aConstrList.push_back(GCSConstraintPtr(new GCS::ConstraintPointOnLine(*aPoint, *aLine)));
 380     aConstrList.push_back(
 381         GCSConstraintPtr(new GCS::ConstraintPointOnPerpBisector(*aPoint, aLine->p1, aLine->p2)));
 382   }
 383   else {
 384     std::shared_ptr<GCS::Arc> anArc = std::dynamic_pointer_cast<GCS::Arc>(theEntity->entity());
 385     if (anArc) {
 386       double* u = theAuxParameters->point()->x;
 387       double* diff = theAuxParameters->point()->y;
 388       *u = (*anArc->startAngle + *anArc->endAngle) * 0.5;
 389       *diff = (*anArc->endAngle - *anArc->startAngle) * 0.5;
 390
 391       aConstrList.push_back(GCSConstraintPtr(
 392           new GCS::ConstraintCurveValue(*aPoint, aPoint->x, *anArc, u)));
 393       aConstrList.push_back(GCSConstraintPtr(
 394           new GCS::ConstraintCurveValue(*aPoint, aPoint->y, *anArc, u)));
 395       aConstrList.push_back(GCSConstraintPtr(
 396           new GCS::ConstraintDifference(anArc->startAngle, u, diff)));
 397       aConstrList.push_back(GCSConstraintPtr(
 398           new GCS::ConstraintDifference(u, anArc->endAngle, diff)));
 399     }
 400   }
 401
 402   return aConstrList.empty() ? ConstraintWrapperPtr() : ConstraintWrapperPtr(
 403       new PlaneGCSSolver_ConstraintWrapper(aConstrList, CONSTRAINT_MIDDLE_POINT));
 404 }
 405
 406
 407 ConstraintWrapperPtr createConstraintDistancePointPoint(
 408     std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
 409     std::shared_ptr<PlaneGCSSolver_PointWrapper>  thePoint1,
 410     std::shared_ptr<PlaneGCSSolver_PointWrapper>  thePoint2)
 411 {
 412   GCSConstraintPtr aNewConstr(new GCS::ConstraintP2PDistance(
 413       *(thePoint1->point()), *(thePoint2->point()), theValue->scalar()));
 414   std::shared_ptr<PlaneGCSSolver_ConstraintWrapper> aResult(
 415       new PlaneGCSSolver_ConstraintWrapper(aNewConstr, CONSTRAINT_PT_PT_DISTANCE));
 416   aResult->setValueParameter(theValue);
 417   return aResult;
 418 }
 419
 420 ConstraintWrapperPtr createConstraintDistancePointLine(
 421     std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
 422     std::shared_ptr<PlaneGCSSolver_PointWrapper>  thePoint,
 423     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity)
 424 {
 425   std::shared_ptr<GCS::Line> aLine = std::dynamic_pointer_cast<GCS::Line>(theEntity->entity());
 426   GCSConstraintPtr aNewConstr(new GCS::ConstraintP2LDistance(
 427       *(thePoint->point()), *(aLine), theValue->scalar()));
 428   std::shared_ptr<PlaneGCSSolver_ConstraintWrapper> aResult(
 429       new PlaneGCSSolver_ConstraintWrapper(aNewConstr, CONSTRAINT_PT_LINE_DISTANCE));
 430   aResult->setValueParameter(theValue);
 431   return aResult;
 432 }
 433
 434 ConstraintWrapperPtr createConstraintHVDistance(
 435     const SketchSolver_ConstraintType& theType,
 436     std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
 437     std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint1,
 438     std::shared_ptr<PlaneGCSSolver_PointWrapper> thePoint2)
 439 {
 440   GCSPointPtr aPoint1 = thePoint1->point();
 441   GCSPointPtr aPoint2 = thePoint2->point();
 442
 443   double *aParam1, *aParam2;
 444   if (theType == CONSTRAINT_HORIZONTAL_DISTANCE) {
 445     aParam1 = aPoint1->x;
 446     aParam2 = aPoint2->x;
 447   } else if (theType == CONSTRAINT_VERTICAL_DISTANCE) {
 448     aParam1 = aPoint1->y;
 449     aParam2 = aPoint2->y;
 450   }
 451
 452   GCSConstraintPtr aNewConstr(new GCS::ConstraintDifference(aParam1, aParam2, theValue->scalar()));
 453
 454   std::shared_ptr<PlaneGCSSolver_ConstraintWrapper> aResult(
 455       new PlaneGCSSolver_ConstraintWrapper(aNewConstr, theType));
 456   aResult->setValueParameter(theValue);
 457   return aResult;
 458 }
 459
 460 ConstraintWrapperPtr createConstraintRadius(
 461     std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
 462     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity)
 463 {
 464   std::shared_ptr<GCS::Circle> aCircle =
 465     std::dynamic_pointer_cast<GCS::Circle>(theEntity->entity());
 466   GCSConstraintPtr aNewConstr(new GCS::ConstraintEqual(aCircle->rad, theValue->scalar()));
 467   std::shared_ptr<PlaneGCSSolver_ConstraintWrapper> aResult(
 468       new PlaneGCSSolver_ConstraintWrapper(aNewConstr, CONSTRAINT_RADIUS));
 469   aResult->setValueParameter(theValue);
 470   return aResult;
 471 }
 472
 473 ConstraintWrapperPtr createConstraintAngle(
 474     ConstraintPtr theConstraint,
 475     std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theValue,
 476     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity1,
 477     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity2)
 478 {
 479   std::shared_ptr<GCS::Line> aLine1 = std::dynamic_pointer_cast<GCS::Line>(theEntity1->entity());
 480   bool isLine1Rev = theConstraint->boolean(
 481       SketchPlugin_ConstraintAngle::ANGLE_REVERSED_FIRST_LINE_ID())->value();
 482   GCS::Point aLine1Pt1 = isLine1Rev ? aLine1->p2 : aLine1->p1;
 483   GCS::Point aLine1Pt2 = isLine1Rev ? aLine1->p1 : aLine1->p2;
 484
 485   std::shared_ptr<GCS::Line> aLine2 = std::dynamic_pointer_cast<GCS::Line>(theEntity2->entity());
 486   bool isLine2Rev = theConstraint->boolean(
 487       SketchPlugin_ConstraintAngle::ANGLE_REVERSED_SECOND_LINE_ID())->value();
 488   GCS::Point aLine2Pt1 = isLine2Rev ? aLine2->p2 : aLine2->p1;
 489   GCS::Point aLine2Pt2 = isLine2Rev ? aLine2->p1 : aLine2->p2;
 490
 491   GCSConstraintPtr aNewConstr(new GCS::ConstraintL2LAngle(
 492       aLine1Pt1, aLine1Pt2, aLine2Pt1, aLine2Pt2, theValue->scalar()));
 493
 494   std::shared_ptr<PlaneGCSSolver_ConstraintWrapper> aResult(
 495       new PlaneGCSSolver_ConstraintWrapper(aNewConstr, CONSTRAINT_ANGLE));
 496   aResult->setValueParameter(theValue);
 497   return aResult;
 498 }
 499
 500 ConstraintWrapperPtr createConstraintHorizVert(
 501     const SketchSolver_ConstraintType& theType,
 502     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity)
 503 {
 504   std::shared_ptr<GCS::Line> aLine = std::dynamic_pointer_cast<GCS::Line>(theEntity->entity());
 505   GCSConstraintPtr aNewConstr;
 506   if (theType == CONSTRAINT_HORIZONTAL)
 507     aNewConstr = GCSConstraintPtr(new GCS::ConstraintEqual(aLine->p1.y, aLine->p2.y));
 508   else
 509     aNewConstr = GCSConstraintPtr(new GCS::ConstraintEqual(aLine->p1.x, aLine->p2.x));
 510
 511   return ConstraintWrapperPtr(new PlaneGCSSolver_ConstraintWrapper(aNewConstr, theType));
 512 }
 513
 514 ConstraintWrapperPtr createConstraintParallel(
 515     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity1,
 516     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity2)
 517 {
 518   std::shared_ptr<GCS::Line> aLine1 = std::dynamic_pointer_cast<GCS::Line>(theEntity1->entity());
 519   std::shared_ptr<GCS::Line> aLine2 = std::dynamic_pointer_cast<GCS::Line>(theEntity2->entity());
 520   GCSConstraintPtr aNewConstr(new GCS::ConstraintParallel(*(aLine1), *(aLine2)));
 521
 522   return ConstraintWrapperPtr(
 523       new PlaneGCSSolver_ConstraintWrapper(aNewConstr, CONSTRAINT_PARALLEL));
 524 }
 525
 526 ConstraintWrapperPtr createConstraintPerpendicular(
 527     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity1,
 528     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity2)
 529 {
 530   std::shared_ptr<GCS::Line> aLine1 = std::dynamic_pointer_cast<GCS::Line>(theEntity1->entity());
 531   std::shared_ptr<GCS::Line> aLine2 = std::dynamic_pointer_cast<GCS::Line>(theEntity2->entity());
 532
 533   std::shared_ptr<GCS::Circle> aCirc1 =
 534       std::dynamic_pointer_cast<GCS::Circle>(theEntity1->entity());
 535   std::shared_ptr<GCS::Circle> aCirc2 =
 536       std::dynamic_pointer_cast<GCS::Circle>(theEntity2->entity());
 537
 538   GCSConstraintPtr aNewConstr;
 539   if (aLine1 && aLine2)
 540     aNewConstr.reset(new GCS::ConstraintPerpendicular(*(aLine1), *(aLine2)));
 541   else {
 542     if (aLine1 && aCirc2)
 543       aCirc1 = aCirc2;
 544     else if (aLine2 && aCirc1)
 545       aLine1 = aLine2;
 546
 547     aNewConstr.reset(new GCS::ConstraintPointOnLine(aCirc1->center, *aLine1));
 548   }
 549
 550   return ConstraintWrapperPtr(
 551       new PlaneGCSSolver_ConstraintWrapper(aNewConstr, CONSTRAINT_PERPENDICULAR));
 552 }
 553
 554 ConstraintWrapperPtr createConstraintEqual(
 555     const SketchSolver_ConstraintType& theType,
 556     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity1,
 557     std::shared_ptr<PlaneGCSSolver_EdgeWrapper> theEntity2,
 558     std::shared_ptr<PlaneGCSSolver_ScalarWrapper> theIntermed)
 559 {
 560   if (theType == CONSTRAINT_EQUAL_LINE_ARC)
 561     return ConstraintWrapperPtr(); // line-arc equivalence is not supported yet
 562
 563   std::list<GCSConstraintPtr> aConstrList;
 564   if (theType == CONSTRAINT_EQUAL_LINES) {
 565     std::shared_ptr<GCS::Line> aLine1 = std::dynamic_pointer_cast<GCS::Line>(theEntity1->entity());
 566     std::shared_ptr<GCS::Line> aLine2 = std::dynamic_pointer_cast<GCS::Line>(theEntity2->entity());
 567
 568     aConstrList.push_back(GCSConstraintPtr(
 569         new GCS::ConstraintP2PDistance(aLine1->p1, aLine1->p2, theIntermed->scalar())));
 570     aConstrList.push_back(GCSConstraintPtr(
 571         new GCS::ConstraintP2PDistance(aLine2->p1, aLine2->p2, theIntermed->scalar())));
 572     // update value of intermediate parameter
 573     double x = *aLine1->p1.x - *aLine1->p2.x;
 574     double y = *aLine1->p1.y - *aLine1->p2.y;
 575     double aLen = sqrt(x*x + y*y);
 576     theIntermed->setValue(aLen);
 577   } else {
 578     std::shared_ptr<GCS::Circle> aCirc1 =
 579         std::dynamic_pointer_cast<GCS::Circle>(theEntity1->entity());
 580     std::shared_ptr<GCS::Circle> aCirc2 =
 581         std::dynamic_pointer_cast<GCS::Circle>(theEntity2->entity());
 582
 583     if (aCirc1 && aCirc2)
 584       aConstrList.push_back(GCSConstraintPtr(new GCS::ConstraintEqual(aCirc1->rad, aCirc2->rad)));
 585     else {
 586       std::shared_ptr<GCS::Ellipse> anEllipse1 =
 587           std::dynamic_pointer_cast<GCS::Ellipse>(theEntity1->entity());
 588       std::shared_ptr<GCS::Ellipse> anEllipse2 =
 589           std::dynamic_pointer_cast<GCS::Ellipse>(theEntity2->entity());
 590
 591       aConstrList.push_back(GCSConstraintPtr(
 592           new GCS::ConstraintEqual(anEllipse1->radmin, anEllipse2->radmin)));
 593       aConstrList.push_back(GCSConstraintPtr(
 594           new GCS::ConstraintEqualMajorAxesConic(anEllipse1.get(), anEllipse2.get())));
 595     }
 596   }
 597
 598   std::shared_ptr<PlaneGCSSolver_ConstraintWrapper> aResult(
 599       new PlaneGCSSolver_ConstraintWrapper(aConstrList, theType));
 600   if (theIntermed)
 601     aResult->setValueParameter(theIntermed);
 602   return aResult;
 603 }
 604
 605 GCS::SET_pD scalarParameters(const ScalarWrapperPtr& theScalar)
 606 {
 607   GCS::SET_pD aParams;
 608   aParams.insert(theScalar->scalar());
 609   return aParams;
 610 }
 611
 612 GCS::SET_pD pointParameters(const PointWrapperPtr& thePoint)
 613 {
 614   GCS::SET_pD aParams;
 615   aParams.insert(thePoint->point()->x);
 616   aParams.insert(thePoint->point()->y);
 617   return aParams;
 618 }
 619
 620 GCS::SET_pD lineParameters(const EdgeWrapperPtr& theLine)
 621 {
 622   GCS::SET_pD aParams;
 623   std::shared_ptr<GCS::Line> aLine = std::dynamic_pointer_cast<GCS::Line>(theLine->entity());
 624   aParams.insert(aLine->p1.x);
 625   aParams.insert(aLine->p1.y);
 626   aParams.insert(aLine->p2.x);
 627   aParams.insert(aLine->p2.y);
 628   return aParams;
 629 }
 630
 631 GCS::SET_pD circleParameters(const EdgeWrapperPtr& theCircle)
 632 {
 633   GCS::SET_pD aParams;
 634   std::shared_ptr<GCS::Circle> aCirc = std::dynamic_pointer_cast<GCS::Circle>(theCircle->entity());
 635   aParams.insert(aCirc->center.x);
 636   aParams.insert(aCirc->center.y);
 637   aParams.insert(aCirc->rad);
 638   return aParams;
 639 }
 640
 641 GCS::SET_pD arcParameters(const EdgeWrapperPtr& theArc)
 642 {
 643   GCS::SET_pD aParams;
 644   std::shared_ptr<GCS::Arc> anArc = std::dynamic_pointer_cast<GCS::Arc>(theArc->entity());
 645   aParams.insert(anArc->center.x);
 646   aParams.insert(anArc->center.y);
 647   aParams.insert(anArc->start.x);
 648   aParams.insert(anArc->start.y);
 649   aParams.insert(anArc->end.x);
 650   aParams.insert(anArc->end.y);
 651   aParams.insert(anArc->startAngle);
 652   aParams.insert(anArc->endAngle);
 653   aParams.insert(anArc->rad);
 654   return aParams;
 655 }
 656
 657 GCS::SET_pD ellipseParameters(const EdgeWrapperPtr& theEllipse)
 658 {
 659   GCS::SET_pD aParams;
 660   std::shared_ptr<GCS::Ellipse> anEllipse =
 661       std::dynamic_pointer_cast<GCS::Ellipse>(theEllipse->entity());
 662   aParams.insert(anEllipse->center.x);
 663   aParams.insert(anEllipse->center.y);
 664   aParams.insert(anEllipse->focus1.x);
 665   aParams.insert(anEllipse->focus1.y);
 666   aParams.insert(anEllipse->radmin);
 667   return aParams;
 668 }