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_ConstraintFillet.h>
  12 #include <SketchSolver_ConstraintLength.h>
  13 #include <SketchSolver_ConstraintMirror.h>
  14 #include <SketchSolver_ConstraintRigid.h>
  15 #include <SketchSolver_ConstraintTangent.h>
  16 #include <SketchSolver_Error.h>
  17
  18 #include <GeomAPI_Edge.h>
  19 #include <GeomDataAPI_Dir.h>
  20 #include <GeomDataAPI_Point.h>
  21 #include <GeomDataAPI_Point2D.h>
  22 #include <Events_Error.h>
  23 #include <ModelAPI_Attribute.h>
  24 #include <ModelAPI_AttributeDouble.h>
  25 #include <ModelAPI_AttributeRefAttr.h>
  26 #include <ModelAPI_AttributeRefList.h>
  27 #include <ModelAPI_ResultConstruction.h>
  28
  29 #include <SketchPlugin_Arc.h>
  30 #include <SketchPlugin_Circle.h>
  31 #include <SketchPlugin_Line.h>
  32 #include <SketchPlugin_Point.h>
  33 #include <SketchPlugin_ConstraintCoincidence.h>
  34 #include <SketchPlugin_ConstraintDistance.h>
  35 #include <SketchPlugin_ConstraintEqual.h>
  36 #include <SketchPlugin_ConstraintFillet.h>
  37 #include <SketchPlugin_ConstraintHorizontal.h>
  38 #include <SketchPlugin_ConstraintLength.h>
  39 #include <SketchPlugin_ConstraintMirror.h>
  40 #include <SketchPlugin_ConstraintParallel.h>
  41 #include <SketchPlugin_ConstraintPerpendicular.h>
  42 #include <SketchPlugin_ConstraintRadius.h>
  43 #include <SketchPlugin_ConstraintRigid.h>
  44 #include <SketchPlugin_ConstraintTangent.h>
  45 #include <SketchPlugin_ConstraintVertical.h>
  46
  47 #include <math.h>
  48
  49 // Initialization of constraint builder self pointer
  50 SketchSolver_Builder* SketchSolver_Builder::mySelf = 0;
  51
  52 SketchSolver_Builder* SketchSolver_Builder::getInstance()
  53 {
  54   if (!mySelf)
  55     mySelf = new SketchSolver_Builder();
  56   return mySelf;
  57 }
  58
  59 SolverConstraintPtr SketchSolver_Builder::createConstraint(ConstraintPtr theConstraint)
  60 {
  61   SolverConstraintPtr aResult;
  62   DataPtr aData = theConstraint->data();
  63   if (!aData || !aData->isValid())
  64     return aResult;
  65
  66 #ifdef _DEBUG
  67   // Verify attributes of constraint and generate errors
  68   std::list<AttributePtr> anAttrList = aData->attributes(std::string());
  69   std::list<AttributePtr>::iterator anIter = anAttrList.begin();
  70   for (; anIter != anAttrList.end(); anIter++) {
  71     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anIter);
  72     if (aRefAttr) {
  73       if (aRefAttr->isObject() && aRefAttr->object()) {
  74         ResultConstructionPtr aRC =
  75             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aRefAttr->object());
  76         if (!aRC)
  77           Events_Error::send(SketchSolver_Error::NEED_OBJECT_NOT_FEATURE(), this);
  78       }
  79       continue;
  80     }
  81     AttributeRefListPtr aRefList = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*anIter);
  82     if (aRefList) {
  83       std::list<ObjectPtr> aList = aRefList->list();
  84       std::list<ObjectPtr>::iterator aListIter = aList.begin();
  85       for (; aListIter != aList.end(); aListIter++) {
  86         ResultConstructionPtr aRC =
  87             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aListIter);
  88         if (*aListIter && !aRC)
  89           Events_Error::send(SketchSolver_Error::NEED_OBJECT_NOT_FEATURE(), this);
  90       }
  91     }
  92   }
  93 #endif
  94
  95   if (theConstraint->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
  96     return SolverConstraintPtr(new SketchSolver_ConstraintCoincidence(theConstraint));
  97   } else if (theConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
  98     return SolverConstraintPtr(new SketchSolver_ConstraintDistance(theConstraint));
  99   } else if (theConstraint->getKind() == SketchPlugin_ConstraintEqual::ID()) {
 100     return SolverConstraintPtr(new SketchSolver_ConstraintEqual(theConstraint));
 101   } else if (theConstraint->getKind() == SketchPlugin_ConstraintFillet::ID()) {
 102     return SolverConstraintPtr(new SketchSolver_ConstraintFillet(theConstraint));
 103   } else if (theConstraint->getKind() == SketchPlugin_ConstraintHorizontal::ID()) {
 104     return SolverConstraintPtr(new SketchSolver_ConstraintHorizontal(theConstraint));
 105   } else if (theConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
 106     return SolverConstraintPtr(new SketchSolver_ConstraintLength(theConstraint));
 107   } else if (theConstraint->getKind() == SketchPlugin_ConstraintMirror::ID()) {
 108     return SolverConstraintPtr(new SketchSolver_ConstraintMirror(theConstraint));
 109   } else if (theConstraint->getKind() == SketchPlugin_ConstraintParallel::ID()) {
 110     return SolverConstraintPtr(new SketchSolver_ConstraintParallel(theConstraint));
 111   } else if (theConstraint->getKind() == SketchPlugin_ConstraintPerpendicular::ID()) {
 112     return SolverConstraintPtr(new SketchSolver_ConstraintPerpendicular(theConstraint));
 113   } else if (theConstraint->getKind() == SketchPlugin_ConstraintRadius::ID()) {
 114     return SolverConstraintPtr(new SketchSolver_ConstraintRadius(theConstraint));
 115   } else if (theConstraint->getKind() == SketchPlugin_ConstraintTangent::ID()) {
 116     return SolverConstraintPtr(new SketchSolver_ConstraintTangent(theConstraint));
 117   } else if (theConstraint->getKind() == SketchPlugin_ConstraintVertical::ID()) {
 118     return SolverConstraintPtr(new SketchSolver_ConstraintVertical(theConstraint));
 119   } else if (theConstraint->getKind() == SketchPlugin_ConstraintRigid::ID()) {
 120     return SolverConstraintPtr(new SketchSolver_ConstraintRigid(theConstraint));
 121   }
 122   return aResult;
 123 }
 124
 125 SolverConstraintPtr SketchSolver_Builder::createRigidConstraint(FeaturePtr theFixedFeature)
 126 {
 127   DataPtr aData = theFixedFeature->data();
 128   if (!aData || !aData->isValid())
 129     return SolverConstraintPtr();
 130   return SolverConstraintPtr(new SketchSolver_ConstraintRigid(theFixedFeature));
 131 }
 132
 133
 134
 135 bool SketchSolver_Builder::createWorkplane(
 136     CompositeFeaturePtr theSketch,
 137     std::vector<Slvs_Entity>& theEntities,
 138     std::vector<Slvs_Param>& theParameters)
 139 {
 140   DataPtr aSketchData = theSketch->data();
 141   if (!aSketchData || !aSketchData->isValid())
 142     return false; // the sketch is incorrect
 143
 144   // Get parameters of workplane
 145   std::shared_ptr<ModelAPI_Attribute> aDirX = aSketchData->attribute(
 146       SketchPlugin_Sketch::DIRX_ID());
 147   std::shared_ptr<ModelAPI_Attribute> aNorm = aSketchData->attribute(
 148       SketchPlugin_Sketch::NORM_ID());
 149   std::shared_ptr<ModelAPI_Attribute> anOrigin = aSketchData->attribute(
 150       SketchPlugin_Sketch::ORIGIN_ID());
 151   // Create SolveSpace entity corresponding to the sketch origin
 152   if (!createEntity(anOrigin, theEntities, theParameters))
 153     return false;
 154   Slvs_hEntity anOriginID = theEntities.back().h;
 155   // Create SolveSpace entity corresponding the the sketch normal
 156   if (!createNormal(aNorm, aDirX, theEntities, theParameters))
 157     return false;
 158   Slvs_hEntity aNormalID = theEntities.back().h;
 159
 160   // Create workplane
 161   Slvs_hEntity aWorkplaneID = theEntities.back().h + 1;
 162   Slvs_Entity aWorkplane = Slvs_MakeWorkplane(aWorkplaneID, SLVS_G_UNKNOWN, anOriginID, aNormalID);
 163   theEntities.push_back(aWorkplane);
 164   return true;
 165 }
 166
 167 bool SketchSolver_Builder::createEntity(
 168     AttributePtr theAttribute,
 169     std::vector<Slvs_Entity>& theEntities,
 170     std::vector<Slvs_Param>& theParameters)
 171 {
 172   Slvs_hEntity anEntID = theEntities.empty() ? 0 : theEntities.back().h;
 173   Slvs_hParam aParamID = theParameters.empty() ? 0 : theParameters.back().h;
 174
 175   // Point in 3D
 176   std::shared_ptr<GeomDataAPI_Point> aPoint =
 177       std::dynamic_pointer_cast<GeomDataAPI_Point>(theAttribute);
 178   if (aPoint) {
 179     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->x()));
 180     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->y()));
 181     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint->z()));
 182     theEntities.push_back(Slvs_MakePoint3d(++anEntID, SLVS_G_UNKNOWN,
 183         aParamID-2, aParamID-1, aParamID));
 184     return true;
 185   }
 186   // Point in 2D
 187   std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
 188     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute);
 189   if (aPoint2D) {
 190     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint2D->x()));
 191     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aPoint2D->y()));
 192     theEntities.push_back(Slvs_MakePoint2d(++anEntID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 193       aParamID-1, aParamID));
 194     return true;
 195   }
 196   // Scalar value (used for the distance entities)
 197   AttributeDoublePtr aScalar = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(theAttribute);
 198   if (aScalar) {
 199     theParameters.push_back(Slvs_MakeParam(++aParamID, SLVS_G_UNKNOWN, aScalar->value()));
 200     theEntities.push_back(Slvs_MakeDistance(++anEntID, SLVS_G_UNKNOWN,
 201       SLVS_E_UNKNOWN, aParamID));
 202     return true;
 203   }
 204   // unknown attribute type
 205   return false;
 206 }
 207
 208 bool SketchSolver_Builder::createEntity(
 209     FeaturePtr theFeature,
 210     std::vector<Slvs_Entity>& theEntities,
 211     std::vector<Slvs_Param>& theParameters)
 212 {
 213   if (!theFeature->data()->isValid())
 214     return false;
 215
 216   // SketchPlugin features
 217   std::shared_ptr<SketchPlugin_Feature> aFeature = std::dynamic_pointer_cast<
 218       SketchPlugin_Feature>(theFeature);
 219   if (!aFeature)
 220     return false;
 221
 222   // Verify the feature by its kind
 223   const std::string& aFeatureKind = aFeature->getKind();
 224   DataPtr aData = aFeature->data();
 225   // Line
 226   if (aFeatureKind == SketchPlugin_Line::ID()) {
 227     AttributePtr aStart = aData->attribute(SketchPlugin_Line::START_ID());
 228     AttributePtr aEnd = aData->attribute(SketchPlugin_Line::END_ID());
 229     if (!aStart->isInitialized() || !aEnd->isInitialized())
 230       return false;
 231     if (!createEntity(aStart, theEntities, theParameters) ||
 232         !createEntity(aEnd, theEntities, theParameters))
 233       return false;
 234     Slvs_hEntity aLineID = theEntities.back().h + 1;
 235     theEntities.push_back(Slvs_MakeLineSegment(aLineID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 236         aLineID-2, aLineID-1));
 237   }
 238   // Circle
 239   else if (aFeatureKind == SketchPlugin_Circle::ID()) {
 240     AttributePtr aCenter = aData->attribute(SketchPlugin_Circle::CENTER_ID());
 241     AttributePtr aRadius = aData->attribute(SketchPlugin_Circle::RADIUS_ID());
 242     if (!aCenter->isInitialized() || !aRadius->isInitialized())
 243       return false;
 244     if (!createEntity(aCenter, theEntities, theParameters) ||
 245         !createEntity(aRadius, theEntities, theParameters))
 246       return false;
 247     Slvs_hEntity aCircID = theEntities.back().h;
 248     theEntities.push_back(Slvs_MakeCircle(aCircID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN, aCircID-2,
 249       SLVS_E_UNKNOWN, aCircID-1));
 250   }
 251   // Arc
 252   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
 253     AttributePtr aCenter = aData->attribute(SketchPlugin_Arc::CENTER_ID());
 254     AttributePtr aStart = aData->attribute(SketchPlugin_Arc::START_ID());
 255     AttributePtr aEnd = aData->attribute(SketchPlugin_Arc::END_ID());
 256     if (!aCenter->isInitialized() || !aStart->isInitialized() || !aEnd->isInitialized())
 257       return false;
 258     if (!createEntity(aCenter, theEntities, theParameters) ||
 259         !createEntity(aStart, theEntities, theParameters) ||
 260         !createEntity(aEnd, theEntities, theParameters))
 261       return false;
 262     Slvs_hEntity anArcID = theEntities.back().h;
 263     theEntities.push_back(Slvs_MakeArcOfCircle(anArcID, SLVS_G_UNKNOWN, SLVS_E_UNKNOWN,
 264         SLVS_E_UNKNOWN, anArcID-3, anArcID-2, anArcID-1));
 265   }
 266   // Point (it has low probability to be an attribute of constraint, so it is checked at the end)
 267   else if (aFeatureKind == SketchPlugin_Point::ID()) {
 268     AttributePtr aPoint = aData->attribute(SketchPlugin_Point::COORD_ID());
 269     if (!aPoint->isInitialized() ||
 270         !createEntity(aPoint, theEntities, theParameters))
 271       return false;
 272     // Both the sketch point and its attribute (coordinates) link to the same SolveSpace point identifier.
 273     // No need to add another entity.
 274   }
 275   return true;
 276 }
 277
 278 bool SketchSolver_Builder::createNormal(
 279     AttributePtr theNormal,
 280     AttributePtr theDirX,
 281     std::vector<Slvs_Entity>& theEntities,
 282     std::vector<Slvs_Param>& theParameters)
 283 {
 284   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(theNormal);
 285   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(theDirX);
 286   if (!aDirX || (fabs(aDirX->x()) + fabs(aDirX->y()) + fabs(aDirX->z()) < tolerance))
 287     return false;
 288   // calculate Y direction
 289   std::shared_ptr<GeomAPI_Dir> aDirY(new GeomAPI_Dir(aNorm->dir()->cross(aDirX->dir())));
 290
 291   // quaternion parameters of normal vector
 292   double qw, qx, qy, qz;
 293   Slvs_MakeQuaternion(aDirX->x(), aDirX->y(), aDirX->z(), aDirY->x(), aDirY->y(), aDirY->z(), &qw,
 294                       &qx, &qy, &qz);
 295   double aNormCoord[4] = { qw, qx, qy, qz };
 296
 297   // Create parameters of the normal
 298   Slvs_hParam aCurParam = theParameters.back().h;
 299   for (int i = 0; i < 4; i++)
 300     theParameters.push_back(Slvs_MakeParam(++aCurParam, SLVS_G_UNKNOWN, aNormCoord[i]));
 301
 302   // Create a normal
 303   Slvs_hEntity aCurEntity = theEntities.back().h + 1;
 304   Slvs_Entity aNormal = Slvs_MakeNormal3d(aCurEntity, SLVS_G_UNKNOWN,
 305       aCurParam-3, aCurParam-2, aCurParam-1, aCurParam);
 306   theEntities.push_back(aNormal);
 307   return true;
 308 }