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_ConstraintEqual.h>
  11 #include <SketchSolver_ConstraintLength.h>
  12 #include <SketchSolver_ConstraintRigid.h>
  13 #include <SketchSolver_ConstraintTangent.h>
  14
  15 #include <GeomAPI_Edge.h>
  16 #include <GeomDataAPI_Dir.h>
  17 #include <GeomDataAPI_Point.h>
  18 #include <GeomDataAPI_Point2D.h>
  19 #include <ModelAPI_Attribute.h>
  20 #include <ModelAPI_AttributeDouble.h>
  21 #include <ModelAPI_AttributeRefAttr.h>
  22 #include <ModelAPI_AttributeRefList.h>
  23 #include <ModelAPI_ResultConstruction.h>
  24
  25 #include <SketchPlugin_Arc.h>
  26 #include <SketchPlugin_Circle.h>
  27 #include <SketchPlugin_Line.h>
  28 #include <SketchPlugin_Point.h>
  29 #include <SketchPlugin_ConstraintCoincidence.h>
  30 #include <SketchPlugin_ConstraintDistance.h>
  31 #include <SketchPlugin_ConstraintEqual.h>
  32 #include <SketchPlugin_ConstraintFillet.h>
  33 #include <SketchPlugin_ConstraintHorizontal.h>
  34 #include <SketchPlugin_ConstraintLength.h>
  35 #include <SketchPlugin_ConstraintMirror.h>
  36 #include <SketchPlugin_ConstraintParallel.h>
  37 #include <SketchPlugin_ConstraintPerpendicular.h>
  38 #include <SketchPlugin_ConstraintRadius.h>
  39 #include <SketchPlugin_ConstraintRigid.h>
  40 #include <SketchPlugin_ConstraintTangent.h>
  41 #include <SketchPlugin_ConstraintVertical.h>
  42
  43
  44 // Initialization of constraint builder self pointer
  45 SketchSolver_Builder* SketchSolver_Builder::mySelf = 0;
  46
  47 SketchSolver_Builder* SketchSolver_Builder::getInstance()
  48 {
  49   if (!mySelf)
  50     mySelf = new SketchSolver_Builder();
  51   return mySelf;
  52 }
  53
  54 SolverConstraintPtr SketchSolver_Builder::createConstraint(ConstraintPtr theConstraint)
  55 {
  56   SolverConstraintPtr aResult;
  57   DataPtr aData = theConstraint->data();
  58   if (!aData || !aData->isValid())
  59     return aResult;
  60
  61   if (theConstraint->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
  62     return SolverConstraintPtr(new SketchSolver_ConstraintCoincidence(theConstraint));
  63   } else if (theConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
  64     return SolverConstraintPtr(new SketchSolver_ConstraintDistance(theConstraint));
  65   } else if (theConstraint->getKind() == SketchPlugin_ConstraintEqual::ID()) {
  66     return SolverConstraintPtr(new SketchSolver_ConstraintEqual(theConstraint));
  67   } else if (theConstraint->getKind() == SketchPlugin_ConstraintFillet::ID()) {
  68 ////    return SolverConstraintPtr(new SketchSolver_ConstraintFillet(theConstraint));
  69   } else if (theConstraint->getKind() == SketchPlugin_ConstraintHorizontal::ID()) {
  70     return SolverConstraintPtr(new SketchSolver_ConstraintHorizontal(theConstraint));
  71   } else if (theConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
  72     return SolverConstraintPtr(new SketchSolver_ConstraintLength(theConstraint));
  73   } else if (theConstraint->getKind() == SketchPlugin_ConstraintMirror::ID()) {
  74 ////    return SolverConstraintPtr(new SketchSolver_ConstraintMirror(theConstraint));
  75   } else if (theConstraint->getKind() == SketchPlugin_ConstraintParallel::ID()) {
  76     return SolverConstraintPtr(new SketchSolver_ConstraintParallel(theConstraint));
  77   } else if (theConstraint->getKind() == SketchPlugin_ConstraintPerpendicular::ID()) {
  78     return SolverConstraintPtr(new SketchSolver_ConstraintPerpendicular(theConstraint));
  79   } else if (theConstraint->getKind() == SketchPlugin_ConstraintRadius::ID()) {
  80     return SolverConstraintPtr(new SketchSolver_ConstraintRadius(theConstraint));
  81   } else if (theConstraint->getKind() == SketchPlugin_ConstraintTangent::ID()) {
  82     return SolverConstraintPtr(new SketchSolver_ConstraintTangent(theConstraint));
  83   } else if (theConstraint->getKind() == SketchPlugin_ConstraintVertical::ID()) {
  84     return SolverConstraintPtr(new SketchSolver_ConstraintVertical(theConstraint));
  85   } else if (theConstraint->getKind() == SketchPlugin_ConstraintRigid::ID()) {
  86     return SolverConstraintPtr(new SketchSolver_ConstraintRigid(theConstraint));
  87   }
  88   return aResult;
  89 }
  90
  91 SolverConstraintPtr SketchSolver_Builder::createRigidConstraint(FeaturePtr theFixedFeature)
  92 {
  93   DataPtr aData = theFixedFeature->data();
  94   if (!aData || !aData->isValid())
  95     return SolverConstraintPtr();
  96   return SolverConstraintPtr(new SketchSolver_ConstraintRigid(theFixedFeature));
  97 }
  98
  99
 100
 101 bool SketchSolver_Builder::createWorkplane(
 102     CompositeFeaturePtr theSketch,
 103     std::vector<Slvs_Entity>& theEntities,
 104     std::vector<Slvs_Param>& theParameters)
 105 {
 106   DataPtr aSketchData = theSketch->data();
 107   if (!aSketchData || !aSketchData->isValid())
 108     return false; // the sketch is incorrect
 109
 110   // Get parameters of workplane
 111   std::shared_ptr<ModelAPI_Attribute> aDirX = aSketchData->attribute(
 112       SketchPlugin_Sketch::DIRX_ID());
 113   std::shared_ptr<ModelAPI_Attribute> aNorm = aSketchData->attribute(
 114       SketchPlugin_Sketch::NORM_ID());
 115   std::shared_ptr<ModelAPI_Attribute> anOrigin = aSketchData->attribute(
 116       SketchPlugin_Sketch::ORIGIN_ID());
 117   // Create SolveSpace entity corresponding to the sketch origin
 118   if (!createEntity(anOrigin, theEntities, theParameters))
 119     return false;
 120   Slvs_hEntity anOriginID = theEntities.back().h;
 121   // Create SolveSpace entity corresponding the the sketch normal
 122   if (!createNormal(aNorm, aDirX, theEntities, theParameters))
 123     return false;
 124   Slvs_hEntity aNormalID = theEntities.back().h;
 125
 126   // Create workplane
 127   Slvs_hEntity aWorkplaneID = theEntities.back().h + 1;
 128   Slvs_Entity aWorkplane = Slvs_MakeWorkplane(aWorkplaneID, SLVS_G_UNKNOWN, anOriginID, aNormalID);
 129   theEntities.push_back(aWorkplane);
 130   return true;
 131 }
 132
 133 bool SketchSolver_Builder::createEntity(
 134     AttributePtr theAttribute,
 135     std::vector<Slvs_Entity>& theEntities,
 136     std::vector<Slvs_Param>& theParameters)
 137 {
 138   Slvs_hEntity anEntID = theEntities.empty() ? 0 : theEntities.back().h;
 139   Slvs_hParam aParamID = theParameters.empty() ? 0 : theParameters.back().h;
 140
 141   // Point in 3D
 142   std::shared_ptr<GeomDataAPI_Point> aPoint =
 143       std::dynamic_pointer_cast<GeomDataAPI_Point>(theAttribute);
 144   if (aPoint) {
 145     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->x()));
 146     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->y()));
 147     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->z()));
 148     theEntities.push_back(Slvs_MakePoint3d(++anEntID, SLVS_G_UNKNOWN,
 149         aParamID-2, aParamID-1, aParamID));
 150     return true;
 151   }
 152   // Point in 2D
 153   std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
 154     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute);
 155   if (aPoint2D) {
 156     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint2D->x()));
 157     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint2D->y()));
 158     theEntities.push_back(Slvs_MakePoint2d(++anEntID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 159       aParamID-1, aParamID));
 160     return true;
 161   }
 162   // Scalar value (used for the distance entities)
 163   AttributeDoublePtr aScalar = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(theAttribute);
 164   if (aScalar) {
 165     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aScalar->value()));
 166     theEntities.push_back(Slvs_MakeDistance(++anEntID, SLVS_G_UNKNOWN,
 167       SLVS_E_UNKNOWN, aParamID));
 168     return true;
 169   }
 170   // unknown attribute type
 171   return false;
 172 }
 173
 174 bool SketchSolver_Builder::createEntity(
 175     FeaturePtr theFeature,
 176     std::vector<Slvs_Entity>& theEntities,
 177     std::vector<Slvs_Param>& theParameters)
 178 {
 179   if (!theFeature->data()->isValid())
 180     return false;
 181
 182   // SketchPlugin features
 183   std::shared_ptr<SketchPlugin_Feature> aFeature = std::dynamic_pointer_cast<
 184       SketchPlugin_Feature>(theFeature);
 185   if (!aFeature)
 186     return false;
 187
 188   // Verify the feature by its kind
 189   const std::string& aFeatureKind = aFeature->getKind();
 190   DataPtr aData = aFeature->data();
 191   // Line
 192   if (aFeatureKind == SketchPlugin_Line::ID()) {
 193     AttributePtr aStart = aData->attribute(SketchPlugin_Line::START_ID());
 194     AttributePtr aEnd = aData->attribute(SketchPlugin_Line::END_ID());
 195     if (!aStart->isInitialized() || !aEnd->isInitialized())
 196       return false;
 197     if (!createEntity(aStart, theEntities, theParameters) ||
 198         !createEntity(aEnd, theEntities, theParameters))
 199       return false;
 200     Slvs_hEntity aLineID = theEntities.back().h + 1;
 201     theEntities.push_back(Slvs_MakeLineSegment(aLineID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 202         aLineID-2, aLineID-1));
 203   }
 204   // Circle
 205   else if (aFeatureKind == SketchPlugin_Circle::ID()) {
 206     AttributePtr aCenter = aData->attribute(SketchPlugin_Circle::CENTER_ID());
 207     AttributePtr aRadius = aData->attribute(SketchPlugin_Circle::RADIUS_ID());
 208     if (!aCenter->isInitialized() || !aRadius->isInitialized())
 209       return false;
 210     if (!createEntity(aCenter, theEntities, theParameters) ||
 211         !createEntity(aRadius, theEntities, theParameters))
 212       return false;
 213     Slvs_hEntity aCircID = theEntities.back().h;
 214     theEntities.push_back(Slvs_MakeCircle(aCircID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN, aCircID-2,
 215       SLVS_E_UNKNOWN, aCircID-1));
 216   }
 217   // Arc
 218   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
 219     AttributePtr aCenter = aData->attribute(SketchPlugin_Arc::CENTER_ID());
 220     AttributePtr aStart = aData->attribute(SketchPlugin_Arc::START_ID());
 221     AttributePtr aEnd = aData->attribute(SketchPlugin_Arc::END_ID());
 222     if (!aCenter->isInitialized() || !aStart->isInitialized() || !aEnd->isInitialized())
 223       return false;
 224     if (!createEntity(aCenter, theEntities, theParameters) ||
 225         !createEntity(aStart, theEntities, theParameters) ||
 226         !createEntity(aEnd, theEntities, theParameters))
 227       return false;
 228     Slvs_hEntity anArcID = theEntities.back().h;
 229     theEntities.push_back(Slvs_MakeArcOfCircle(anArcID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 230         SLVS_E_UNKNOWN, anArcID-3, anArcID-2, anArcID-1));
 231   }
 232   // Point (it has low probability to be an attribute of constraint, so it is checked at the end)
 233   else if (aFeatureKind == SketchPlugin_Point::ID()) {
 234     AttributePtr aPoint = aData->attribute(SketchPlugin_Point::COORD_ID());
 235     if (!aPoint->isInitialized() ||
 236         !createEntity(aPoint, theEntities, theParameters))
 237       return false;
 238     // Both the sketch point and its attribute (coordinates) link to the same SolveSpace point identifier.
 239     // No need to add another entity.
 240   }
 241   return true;
 242 }
 243
 244 bool SketchSolver_Builder::createNormal(
 245     AttributePtr theNormal,
 246     AttributePtr theDirX,
 247     std::vector<Slvs_Entity>& theEntities,
 248     std::vector<Slvs_Param>& theParameters)
 249 {
 250   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(theNormal);
 251   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(theDirX);
 252   if (!aDirX || (fabs(aDirX->x()) + fabs(aDirX->y()) + fabs(aDirX->z()) < tolerance))
 253     return false;
 254   // calculate Y direction
 255   std::shared_ptr<GeomAPI_Dir> aDirY(new GeomAPI_Dir(aNorm->dir()->cross(aDirX->dir())));
 256
 257   // quaternion parameters of normal vector
 258   double qw, qx, qy, qz;
 259   Slvs_MakeQuaternion(aDirX->x(), aDirX->y(), aDirX->z(), aDirY->x(), aDirY->y(), aDirY->z(), &qw,
 260                       &qx, &qy, &qz);
 261   double aNormCoord[4] = { qw, qx, qy, qz };
 262
 263   // Create parameters of the normal
 264   Slvs_hParam aCurParam = theParameters.back().h;
 265   for (int i = 0; i < 4; i++)
 266     theParameters.push_back(Slvs_MakeParam(++aCurParam, SLVS_G_UNKNOWN, aNormCoord[i]));
 267
 268   // Create a normal
 269   Slvs_hEntity aCurEntity = theEntities.back().h + 1;
 270   Slvs_Entity aNormal = Slvs_MakeNormal3d(aCurEntity, SLVS_G_UNKNOWN,
 271       aCurParam-3, aCurParam-2, aCurParam-1, aCurParam);
 272   theEntities.push_back(aNormal);
 273   return true;
 274 }