src/SketchSolver/SketchSolver_Builder.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:    SketchSolver_Builder.cpp
   4 // Created: 25 Mar 2015
   5 // Author:  Artem ZHIDKOV
   6
   7 #include "SketchSolver_Builder.h"
   8 #include <SketchSolver_ConstraintCoincidence.h>
   9 #include <SketchSolver_ConstraintDistance.h>
  10 #include <SketchSolver_ConstraintLength.h>
  11 #include <SketchSolver_ConstraintRigid.h>
  12
  13 #include <GeomAPI_Edge.h>
  14 #include <GeomDataAPI_Dir.h>
  15 #include <GeomDataAPI_Point.h>
  16 #include <GeomDataAPI_Point2D.h>
  17 #include <ModelAPI_Attribute.h>
  18 #include <ModelAPI_AttributeDouble.h>
  19 #include <ModelAPI_AttributeRefAttr.h>
  20 #include <ModelAPI_AttributeRefList.h>
  21 #include <ModelAPI_ResultConstruction.h>
  22
  23 #include <SketchPlugin_Arc.h>
  24 #include <SketchPlugin_Circle.h>
  25 #include <SketchPlugin_Line.h>
  26 #include <SketchPlugin_Point.h>
  27 #include <SketchPlugin_ConstraintCoincidence.h>
  28 #include <SketchPlugin_ConstraintDistance.h>
  29 #include <SketchPlugin_ConstraintEqual.h>
  30 #include <SketchPlugin_ConstraintFillet.h>
  31 #include <SketchPlugin_ConstraintHorizontal.h>
  32 #include <SketchPlugin_ConstraintLength.h>
  33 #include <SketchPlugin_ConstraintMirror.h>
  34 #include <SketchPlugin_ConstraintParallel.h>
  35 #include <SketchPlugin_ConstraintPerpendicular.h>
  36 #include <SketchPlugin_ConstraintRadius.h>
  37 #include <SketchPlugin_ConstraintRigid.h>
  38 #include <SketchPlugin_ConstraintTangent.h>
  39 #include <SketchPlugin_ConstraintVertical.h>
  40
  41
  42 // Initialization of constraint builder self pointer
  43 SketchSolver_Builder* SketchSolver_Builder::mySelf = 0;
  44
  45 SketchSolver_Builder* SketchSolver_Builder::getInstance()
  46 {
  47   if (!mySelf)
  48     mySelf = new SketchSolver_Builder();
  49   return mySelf;
  50 }
  51
  52 SolverConstraintPtr SketchSolver_Builder::createConstraint(ConstraintPtr theConstraint)
  53 {
  54   SolverConstraintPtr aResult;
  55   DataPtr aData = theConstraint->data();
  56   if (!aData || !aData->isValid())
  57     return aResult;
  58
  59   if (theConstraint->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
  60     return SolverConstraintPtr(new SketchSolver_ConstraintCoincidence(theConstraint));
  61   } else if (theConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
  62     return SolverConstraintPtr(new SketchSolver_ConstraintDistance(theConstraint));
  63   } else if (theConstraint->getKind() == SketchPlugin_ConstraintEqual::ID()) {
  64 ////    return SolverConstraintPtr(new SketchSolver_ConstraintEqual(theConstraint));
  65   } else if (theConstraint->getKind() == SketchPlugin_ConstraintFillet::ID()) {
  66 ////    return SolverConstraintPtr(new SketchSolver_ConstraintFillet(theConstraint));
  67   } else if (theConstraint->getKind() == SketchPlugin_ConstraintHorizontal::ID()) {
  68     return SolverConstraintPtr(new SketchSolver_ConstraintHorizontal(theConstraint));
  69   } else if (theConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
  70     return SolverConstraintPtr(new SketchSolver_ConstraintLength(theConstraint));
  71   } else if (theConstraint->getKind() == SketchPlugin_ConstraintMirror::ID()) {
  72 ////    return SolverConstraintPtr(new SketchSolver_ConstraintMirror(theConstraint));
  73   } else if (theConstraint->getKind() == SketchPlugin_ConstraintParallel::ID()) {
  74     return SolverConstraintPtr(new SketchSolver_ConstraintParallel(theConstraint));
  75   } else if (theConstraint->getKind() == SketchPlugin_ConstraintPerpendicular::ID()) {
  76     return SolverConstraintPtr(new SketchSolver_ConstraintPerpendicular(theConstraint));
  77   } else if (theConstraint->getKind() == SketchPlugin_ConstraintRadius::ID()) {
  78 ////    return SolverConstraintPtr(new SketchSolver_ConstraintRadius(theConstraint));
  79   } else if (theConstraint->getKind() == SketchPlugin_ConstraintTangent::ID()) {
  80 ////    return SolverConstraintPtr(new SketchSolver_ConstraintTangent(theConstraint));
  81   } else if (theConstraint->getKind() == SketchPlugin_ConstraintVertical::ID()) {
  82     return SolverConstraintPtr(new SketchSolver_ConstraintVertical(theConstraint));
  83   } else if (theConstraint->getKind() == SketchPlugin_ConstraintRigid::ID()) {
  84     return SolverConstraintPtr(new SketchSolver_ConstraintRigid(theConstraint));
  85   }
  86   return aResult;
  87 }
  88
  89 SolverConstraintPtr SketchSolver_Builder::createRigidConstraint(FeaturePtr theFixedFeature)
  90 {
  91   DataPtr aData = theFixedFeature->data();
  92   if (!aData || !aData->isValid())
  93     return SolverConstraintPtr();
  94   return SolverConstraintPtr(new SketchSolver_ConstraintRigid(theFixedFeature));
  95 }
  96
  97
  98
  99 bool SketchSolver_Builder::createWorkplane(
 100     CompositeFeaturePtr theSketch,
 101     std::vector<Slvs_Entity>& theEntities,
 102     std::vector<Slvs_Param>& theParameters)
 103 {
 104   DataPtr aSketchData = theSketch->data();
 105   if (!aSketchData || !aSketchData->isValid())
 106     return false; // the sketch is incorrect
 107
 108   // Get parameters of workplane
 109   std::shared_ptr<ModelAPI_Attribute> aDirX = aSketchData->attribute(
 110       SketchPlugin_Sketch::DIRX_ID());
 111   std::shared_ptr<ModelAPI_Attribute> aNorm = aSketchData->attribute(
 112       SketchPlugin_Sketch::NORM_ID());
 113   std::shared_ptr<ModelAPI_Attribute> anOrigin = aSketchData->attribute(
 114       SketchPlugin_Sketch::ORIGIN_ID());
 115   // Create SolveSpace entity corresponding to the sketch origin
 116   if (!createEntity(anOrigin, theEntities, theParameters))
 117     return false;
 118   Slvs_hEntity anOriginID = theEntities.back().h;
 119   // Create SolveSpace entity corresponding the the sketch normal
 120   if (!createNormal(aNorm, aDirX, theEntities, theParameters))
 121     return false;
 122   Slvs_hEntity aNormalID = theEntities.back().h;
 123
 124   // Create workplane
 125   Slvs_hEntity aWorkplaneID = theEntities.back().h + 1;
 126   Slvs_Entity aWorkplane = Slvs_MakeWorkplane(aWorkplaneID, SLVS_G_UNKNOWN, anOriginID, aNormalID);
 127   theEntities.push_back(aWorkplane);
 128   return true;
 129 }
 130
 131 bool SketchSolver_Builder::createEntity(
 132     AttributePtr theAttribute,
 133     std::vector<Slvs_Entity>& theEntities,
 134     std::vector<Slvs_Param>& theParameters)
 135 {
 136   Slvs_hEntity anEntID = theEntities.empty() ? 0 : theEntities.back().h;
 137   Slvs_hParam aParamID = theParameters.empty() ? 0 : theParameters.back().h;
 138
 139   // Point in 3D
 140   std::shared_ptr<GeomDataAPI_Point> aPoint =
 141       std::dynamic_pointer_cast<GeomDataAPI_Point>(theAttribute);
 142   if (aPoint) {
 143     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->x()));
 144     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->y()));
 145     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->z()));
 146     theEntities.push_back(Slvs_MakePoint3d(++anEntID, SLVS_G_UNKNOWN,
 147         aParamID-2, aParamID-1, aParamID));
 148     return true;
 149   }
 150   // Point in 2D
 151   std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
 152     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute);
 153   if (aPoint2D) {
 154     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint2D->x()));
 155     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint2D->y()));
 156     theEntities.push_back(Slvs_MakePoint2d(++anEntID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 157       aParamID-1, aParamID));
 158     return true;
 159   }
 160   // Scalar value (used for the distance entities)
 161   AttributeDoublePtr aScalar = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(theAttribute);
 162   if (aScalar) {
 163     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aScalar->value()));
 164     theEntities.push_back(Slvs_MakeDistance(++anEntID, SLVS_G_UNKNOWN,
 165       SLVS_E_UNKNOWN, aParamID));
 166     return true;
 167   }
 168   // unknown attribute type
 169   return false;
 170 }
 171
 172 bool SketchSolver_Builder::createEntity(
 173     FeaturePtr theFeature,
 174     std::vector<Slvs_Entity>& theEntities,
 175     std::vector<Slvs_Param>& theParameters)
 176 {
 177   if (!theFeature->data()->isValid())
 178     return false;
 179
 180   // SketchPlugin features
 181   std::shared_ptr<SketchPlugin_Feature> aFeature = std::dynamic_pointer_cast<
 182       SketchPlugin_Feature>(theFeature);
 183   if (!aFeature)
 184     return false;
 185
 186   // Verify the feature by its kind
 187   const std::string& aFeatureKind = aFeature->getKind();
 188   DataPtr aData = aFeature->data();
 189   // Line
 190   if (aFeatureKind == SketchPlugin_Line::ID()) {
 191     AttributePtr aStart = aData->attribute(SketchPlugin_Line::START_ID());
 192     AttributePtr aEnd = aData->attribute(SketchPlugin_Line::END_ID());
 193     if (!aStart->isInitialized() || !aEnd->isInitialized())
 194       return false;
 195     if (!createEntity(aStart, theEntities, theParameters) ||
 196         !createEntity(aEnd, theEntities, theParameters))
 197       return false;
 198     Slvs_hEntity aLineID = theEntities.back().h + 1;
 199     theEntities.push_back(Slvs_MakeLineSegment(aLineID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 200         aLineID-2, aLineID-1));
 201   }
 202   // Circle
 203   else if (aFeatureKind == SketchPlugin_Circle::ID()) {
 204     AttributePtr aCenter = aData->attribute(SketchPlugin_Circle::CENTER_ID());
 205     AttributePtr aRadius = aData->attribute(SketchPlugin_Circle::RADIUS_ID());
 206     if (!aCenter->isInitialized() || !aRadius->isInitialized())
 207       return false;
 208     if (!createEntity(aCenter, theEntities, theParameters) ||
 209         !createEntity(aRadius, theEntities, theParameters))
 210       return false;
 211     Slvs_hEntity aCircID = theEntities.back().h;
 212     theEntities.push_back(Slvs_MakeCircle(aCircID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN, aCircID-2,
 213       SLVS_E_UNKNOWN, aCircID-1));
 214   }
 215   // Arc
 216   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
 217     AttributePtr aCenter = aData->attribute(SketchPlugin_Arc::CENTER_ID());
 218     AttributePtr aStart = aData->attribute(SketchPlugin_Arc::START_ID());
 219     AttributePtr aEnd = aData->attribute(SketchPlugin_Arc::END_ID());
 220     if (!aCenter->isInitialized() || !aStart->isInitialized() || !aEnd->isInitialized())
 221       return false;
 222     if (!createEntity(aCenter, theEntities, theParameters) ||
 223         !createEntity(aStart, theEntities, theParameters) ||
 224         !createEntity(aEnd, theEntities, theParameters))
 225       return false;
 226     Slvs_hEntity anArcID = theEntities.back().h;
 227     theEntities.push_back(Slvs_MakeArcOfCircle(anArcID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 228         SLVS_E_UNKNOWN, anArcID-3, anArcID-2, anArcID-1));
 229   }
 230   // Point (it has low probability to be an attribute of constraint, so it is checked at the end)
 231   else if (aFeatureKind == SketchPlugin_Point::ID()) {
 232     AttributePtr aPoint = aData->attribute(SketchPlugin_Point::COORD_ID());
 233     if (!aPoint->isInitialized() ||
 234         !createEntity(aPoint, theEntities, theParameters))
 235       return false;
 236     // Both the sketch point and its attribute (coordinates) link to the same SolveSpace point identifier.
 237     // No need to add another entity.
 238   }
 239   return true;
 240 }
 241
 242 bool SketchSolver_Builder::createNormal(
 243     AttributePtr theNormal,
 244     AttributePtr theDirX,
 245     std::vector<Slvs_Entity>& theEntities,
 246     std::vector<Slvs_Param>& theParameters)
 247 {
 248   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(theNormal);
 249   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(theDirX);
 250   if (!aDirX || (fabs(aDirX->x()) + fabs(aDirX->y()) + fabs(aDirX->z()) < tolerance))
 251     return false;
 252   // calculate Y direction
 253   std::shared_ptr<GeomAPI_Dir> aDirY(new GeomAPI_Dir(aNorm->dir()->cross(aDirX->dir())));
 254
 255   // quaternion parameters of normal vector
 256   double qw, qx, qy, qz;
 257   Slvs_MakeQuaternion(aDirX->x(), aDirX->y(), aDirX->z(), aDirY->x(), aDirY->y(), aDirY->z(), &qw,
 258                       &qx, &qy, &qz);
 259   double aNormCoord[4] = { qw, qx, qy, qz };
 260
 261   // Create parameters of the normal
 262   Slvs_hParam aCurParam = theParameters.back().h;
 263   for (int i = 0; i < 4; i++)
 264     theParameters.push_back(Slvs_MakeParam(++aCurParam, SLVS_G_UNKNOWN, aNormCoord[i]));
 265
 266   // Create a normal
 267   Slvs_hEntity aCurEntity = theEntities.back().h + 1;
 268   Slvs_Entity aNormal = Slvs_MakeNormal3d(aCurEntity, SLVS_G_UNKNOWN,
 269       aCurParam-3, aCurParam-2, aCurParam-1, aCurParam);
 270   theEntities.push_back(aNormal);
 271   return true;
 272 }