src/PartSet/PartSet_Tools.cpp

   1 // File:        PartSet_Tools.h
   2 // Created:     28 Apr 2014
   3 // Author:      Natalia ERMOLAEVA
   4
   5 #include <PartSet_Tools.h>
   6
   7 #include <ModelAPI_Data.h>
   8 #include <ModelAPI_AttributeDouble.h>
   9 #include <ModelAPI_AttributeRefList.h>
  10 #include <ModelAPI_Document.h>
  11
  12 #include <GeomDataAPI_Point.h>
  13 #include <GeomDataAPI_Dir.h>
  14 #include <GeomDataAPI_Point2D.h>
  15 #include <GeomAPI_Pln.h>
  16 #include <GeomAPI_Pnt2d.h>
  17 #include <GeomAPI_Pnt.h>
  18
  19 #include <GeomAPI_Dir.h>
  20 #include <GeomAPI_XYZ.h>
  21
  22 #include <SketchPlugin_Feature.h>
  23 #include <SketchPlugin_Sketch.h>
  24 #include <SketchPlugin_ConstraintCoincidence.h>
  25 #include <SketchPlugin_ConstraintDistance.h>
  26 #include <SketchPlugin_ConstraintLength.h>
  27 #include <SketchPlugin_ConstraintRadius.h>
  28 #include <SketchPlugin_Constraint.h>
  29
  30 #include <ModuleBase_ViewerPrs.h>
  31
  32 #include <V3d_View.hxx>
  33 #include <gp_Pln.hxx>
  34 #include <ProjLib.hxx>
  35 #include <ElSLib.hxx>
  36 #include <Geom_Line.hxx>
  37 #include <GeomAPI_ProjectPointOnCurve.hxx>
  38
  39 #ifdef _DEBUG
  40 #include <QDebug>
  41 #endif
  42
  43 const double PRECISION_TOLERANCE = 0.000001;
  44
  45 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
  46 {
  47   if (theView.IsNull())
  48     return gp_Pnt();
  49
  50   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  51   theView->Eye(XEye, YEye, ZEye);
  52
  53   theView->At(XAt, YAt, ZAt);
  54   gp_Pnt EyePoint(XEye, YEye, ZEye);
  55   gp_Pnt AtPoint(XAt, YAt, ZAt);
  56
  57   gp_Vec EyeVector(EyePoint, AtPoint);
  58   gp_Dir EyeDir(EyeVector);
  59
  60   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
  61   Standard_Real X, Y, Z;
  62   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
  63   gp_Pnt ConvertedPoint(X, Y, Z);
  64
  65   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
  66   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
  67                                      PlaneOfTheView);
  68   return ResultPoint;
  69 }
  70
  71 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
  72 Handle(V3d_View) theView,
  73                                 double& theX, double& theY)
  74 {
  75   if (!theSketch)
  76     return;
  77
  78   AttributeDoublePtr anAttr;
  79   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
  80
  81   boost::shared_ptr<GeomDataAPI_Point> anOrigin = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
  82       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
  83
  84   boost::shared_ptr<GeomDataAPI_Dir> aX = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
  85       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
  86   boost::shared_ptr<GeomDataAPI_Dir> anY = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
  87       aData->attribute(SketchPlugin_Sketch::DIRY_ID()));
  88
  89   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
  90   gp_Vec aVec(anOriginPnt, thePoint);
  91
  92   if (!theView.IsNull()) {
  93     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  94     theView->Eye(XEye, YEye, ZEye);
  95
  96     theView->At(XAt, YAt, ZAt);
  97     gp_Pnt EyePoint(XEye, YEye, ZEye);
  98     gp_Pnt AtPoint(XAt, YAt, ZAt);
  99
 100     gp_Vec anEyeVec(EyePoint, AtPoint);
 101     anEyeVec.Normalize();
 102
 103     boost::shared_ptr<GeomDataAPI_Dir> aNormal = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 104         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 105     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 106
 107     double aDen = anEyeVec * aNormalVec;
 108     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 109
 110     gp_Vec aDeltaVec = anEyeVec * aLVec;
 111     aVec = aVec - aDeltaVec;
 112   }
 113   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 114   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 115 }
 116
 117 void PartSet_Tools::convertTo3D(const double theX, const double theY, FeaturePtr theSketch,
 118                                 gp_Pnt& thePoint)
 119 {
 120   if (!theSketch)
 121     return;
 122
 123   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 124
 125   boost::shared_ptr<GeomDataAPI_Point> aC = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
 126       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 127   boost::shared_ptr<GeomDataAPI_Dir> aX = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 128       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 129   boost::shared_ptr<GeomDataAPI_Dir> aY = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 130       aData->attribute(SketchPlugin_Sketch::DIRY_ID()));
 131
 132   boost::shared_ptr<GeomAPI_XYZ> aSum = aC->pnt()->xyz()->added(aX->dir()->xyz()->multiplied(theX))
 133       ->added(aY->dir()->xyz()->multiplied(theY));
 134
 135   boost::shared_ptr<GeomAPI_Pnt> aPoint = boost::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aSum));
 136   thePoint = gp_Pnt(aPoint->x(), aPoint->y(), aPoint->z());
 137 }
 138
 139 FeaturePtr PartSet_Tools::nearestFeature(QPoint thePoint, Handle_V3d_View theView,
 140                                          FeaturePtr theSketch,
 141                                          const std::list<ModuleBase_ViewerPrs>& theFeatures)
 142 {
 143   double aX, anY;
 144   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(thePoint, theView);
 145   PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, anY);
 146
 147   FeaturePtr aFeature;
 148   std::list<ModuleBase_ViewerPrs>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures
 149       .end();
 150
 151   FeaturePtr aDeltaFeature;
 152   double aMinDelta = -1;
 153   ModuleBase_ViewerPrs aPrs;
 154   for (; anIt != aLast; anIt++) {
 155     aPrs = *anIt;
 156     if (!aPrs.object())
 157       continue;
 158     boost::shared_ptr<SketchPlugin_Feature> aSketchFeature = boost::dynamic_pointer_cast<
 159         SketchPlugin_Feature>(aPrs.object());
 160     if (!aSketchFeature)
 161       continue;
 162     double aDelta = aSketchFeature->distanceToPoint(
 163         boost::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY)));
 164     if (aMinDelta < 0 || aMinDelta > aDelta) {
 165       aMinDelta = aDelta;
 166       // TODO aDeltaFeature = aPrs.result();
 167     }
 168   }
 169   return aDeltaFeature;
 170 }
 171
 172 boost::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 173 {
 174   return ModelAPI_Session::get()->moduleDocument();
 175 }
 176
 177 void PartSet_Tools::setFeaturePoint(FeaturePtr theFeature, double theX, double theY,
 178                                     const std::string& theAttribute)
 179 {
 180   if (!theFeature)
 181     return;
 182   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 183   boost::shared_ptr<GeomDataAPI_Point2D> aPoint = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 184       aData->attribute(theAttribute));
 185   if (aPoint)
 186     aPoint->setValue(theX, theY);
 187 }
 188
 189 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 190                                     const std::string& theAttribute)
 191 {
 192   if (!theFeature)
 193     return;
 194   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 195   AttributeDoublePtr anAttribute = boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 196       aData->attribute(theAttribute));
 197   if (anAttribute)
 198     anAttribute->setValue(theValue);
 199 }
 200
 201 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 202                                    bool& isValid)
 203 {
 204   isValid = false;
 205   double aValue;
 206   if (theFeature) {
 207     boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 208     AttributeDoublePtr anAttribute = boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 209         aData->attribute(theAttribute));
 210     if (anAttribute) {
 211       aValue = anAttribute->value();
 212       isValid = true;
 213     }
 214   }
 215   return aValue;
 216 }
 217
 218 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 219                                   const std::string& theKind)
 220 {
 221   FeaturePtr aFeature;
 222   if (!theFeature)
 223     return aFeature;
 224
 225   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 226   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = boost::dynamic_pointer_cast<
 227       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 228   if (anAttr) {
 229     aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 230     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 231       aFeature = FeaturePtr();
 232     }
 233   }
 234   return aFeature;
 235 }
 236
 237 void PartSet_Tools::createConstraint(FeaturePtr theSketch,
 238                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 239                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 240 {
 241   boost::shared_ptr<ModelAPI_Document> aDoc = document();
 242   FeaturePtr aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 243
 244   if (theSketch) {
 245     boost::shared_ptr<SketchPlugin_Feature> aSketch = boost::dynamic_pointer_cast<
 246         SketchPlugin_Feature>(theSketch);
 247     aSketch->addSub(aFeature);
 248   }
 249
 250   boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 251
 252   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = boost::dynamic_pointer_cast<
 253       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 254   aRef1->setAttr(thePoint1);
 255
 256   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = boost::dynamic_pointer_cast<
 257       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 258   aRef2->setAttr(thePoint2);
 259
 260   if (aFeature)  // TODO: generate an error if feature was not created
 261     aFeature->execute();
 262 }
 263
 264 void PartSet_Tools::setConstraints(FeaturePtr theSketch, FeaturePtr theFeature,
 265                                    const std::string& theAttribute, double theClickedX,
 266                                    double theClickedY)
 267 {
 268   // find a feature point by the selection mode
 269   //boost::shared_ptr<GeomDataAPI_Point2D> aPoint = featurePoint(theMode);
 270   boost::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = boost::dynamic_pointer_cast<
 271       GeomDataAPI_Point2D>(theFeature->data()->attribute(theAttribute));
 272   if (!aFeaturePoint)
 273     return;
 274
 275   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 276   // the constraint is created between the feature point and the found sketch point
 277   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 278   boost::shared_ptr<ModelAPI_AttributeRefList> aRefList = boost::dynamic_pointer_cast<
 279       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 280
 281   std::list<ObjectPtr> aFeatures = aRefList->list();
 282   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 283   std::list<boost::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 284   boost::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = boost::shared_ptr<GeomAPI_Pnt2d>(
 285       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 286   for (; anIt != aLast; anIt++) {
 287     FeaturePtr aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 288     // find the given point in the feature attributes
 289     anAttiributes = aFeature->data()->attributes(GeomDataAPI_Point2D::type());
 290     std::list<boost::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 291         aLast = anAttiributes.end();
 292     boost::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 293     for (; anIt != aLast && !aFPoint; anIt++) {
 294       boost::shared_ptr<GeomDataAPI_Point2D> aCurPoint = boost::dynamic_pointer_cast<
 295           GeomDataAPI_Point2D>(*anIt);
 296       if (aCurPoint && aCurPoint->pnt()->distance(aClickedPoint) < Precision::Confusion())
 297         aFPoint = aCurPoint;
 298     }
 299     if (aFPoint)
 300       PartSet_Tools::createConstraint(theSketch, aFPoint, aFeaturePoint);
 301   }
 302 }
 303
 304 boost::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(FeaturePtr theSketch)
 305 {
 306   boost::shared_ptr<GeomAPI_Pln> aPlane;
 307   double aA, aB, aC, aD;
 308
 309   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 310   boost::shared_ptr<GeomDataAPI_Point> anOrigin = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
 311       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 312   boost::shared_ptr<GeomDataAPI_Dir> aNormal = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 313       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 314   aA = aNormal->x();
 315   aB = aNormal->y();
 316   aC = aNormal->z();
 317   aD = 0;
 318
 319   aPlane = boost::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 320   return aPlane;
 321 }
 322
 323 boost::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(boost::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 324                                                       FeaturePtr theSketch)
 325 {
 326   boost::shared_ptr<GeomAPI_Pnt> aPoint;
 327   if (!theSketch || !thePoint2D)
 328     return aPoint;
 329
 330   boost::shared_ptr<GeomDataAPI_Point> aC = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
 331       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 332   boost::shared_ptr<GeomDataAPI_Dir> aX = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 333       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 334   boost::shared_ptr<GeomDataAPI_Dir> aY = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 335       theSketch->data()->attribute(SketchPlugin_Sketch::DIRY_ID()));
 336
 337   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY->dir());
 338 }
 339
 340 bool PartSet_Tools::isConstraintFeature(const std::string& theKind)
 341 {
 342   return theKind == SketchPlugin_ConstraintDistance::ID()
 343       || theKind == SketchPlugin_ConstraintLength::ID()
 344       || theKind == SketchPlugin_ConstraintRadius::ID();
 345 }