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