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