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 <XGUI_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(), PlaneOfTheView);
  67   return ResultPoint;
  68 }
  69
  70 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
  71                                 Handle(V3d_View) theView, double& theX, double& theY)
  72 {
  73   if (!theSketch)
  74     return;
  75
  76   AttributeDoublePtr anAttr;
  77   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
  78
  79   boost::shared_ptr<GeomDataAPI_Point> anOrigin =
  80     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
  81
  82   boost::shared_ptr<GeomDataAPI_Dir> aX =
  83     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRX));
  84   boost::shared_ptr<GeomDataAPI_Dir> anY =
  85     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRY));
  86
  87   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
  88   gp_Vec aVec(anOriginPnt, thePoint);
  89
  90   if (!theView.IsNull())
  91   {
  92     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  93     theView->Eye(XEye, YEye, ZEye);
  94
  95     theView->At(XAt, YAt, ZAt);
  96     gp_Pnt EyePoint(XEye, YEye, ZEye);
  97     gp_Pnt AtPoint(XAt, YAt, ZAt);
  98
  99     gp_Vec anEyeVec(EyePoint, AtPoint);
 100     anEyeVec.Normalize();
 101
 102     boost::shared_ptr<GeomDataAPI_Dir> aNormal =
 103                   boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_NORM));
 104     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 105
 106     double aDen = anEyeVec * aNormalVec;
 107     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 108
 109     gp_Vec aDeltaVec = anEyeVec*aLVec;
 110     aVec = aVec - aDeltaVec;
 111   }
 112   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 113   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 114 }
 115
 116 void PartSet_Tools::convertTo3D(const double theX, const double theY,
 117                                 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 =
 126     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
 127   boost::shared_ptr<GeomDataAPI_Dir> aX =
 128     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRX));
 129   boost::shared_ptr<GeomDataAPI_Dir> aY =
 130     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRY));
 131
 132   boost::shared_ptr<GeomAPI_XYZ> aSum = aC->pnt()->xyz()->added(
 133     aX->dir()->xyz()->multiplied(theX))->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<XGUI_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<XGUI_ViewerPrs>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures.end();
 149
 150   FeaturePtr aDeltaFeature;
 151   double aMinDelta = -1;
 152   XGUI_ViewerPrs aPrs;
 153   for (; anIt != aLast; anIt++) {
 154     aPrs = *anIt;
 155     if (!aPrs.feature())
 156       continue;
 157     boost::shared_ptr<SketchPlugin_Feature> aSketchFeature =
 158                            boost::dynamic_pointer_cast<SketchPlugin_Feature>(aPrs.feature());
 159     if (!aSketchFeature)
 160       continue;
 161     double aDelta = aSketchFeature->distanceToPoint(
 162                                boost::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY)));
 163     if (aMinDelta < 0 || aMinDelta > aDelta) {
 164       aMinDelta = aDelta;
 165       aDeltaFeature = aPrs.feature();
 166     }
 167   }
 168   return aDeltaFeature;
 169 }
 170
 171 boost::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 172 {
 173   return ModelAPI_PluginManager::get()->rootDocument();
 174 }
 175
 176 void PartSet_Tools::setFeaturePoint(FeaturePtr theFeature, double theX, double theY,
 177                                     const std::string& theAttribute)
 178 {
 179   if (!theFeature)
 180     return;
 181   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 182   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 183         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(theAttribute));
 184   if (aPoint)
 185     aPoint->setValue(theX, theY);
 186 }
 187
 188 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 189                                     const std::string& theAttribute)
 190 {
 191   if (!theFeature)
 192     return;
 193   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 194   AttributeDoublePtr anAttribute =
 195         boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(theAttribute));
 196   if (anAttribute)
 197     anAttribute->setValue(theValue);
 198 }
 199
 200 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 201                                    bool& isValid)
 202 {
 203   isValid = false;
 204   double aValue;
 205   if (theFeature) {
 206     boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 207     AttributeDoublePtr anAttribute =
 208           boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(theAttribute));
 209     if (anAttribute) {
 210       aValue = anAttribute->value();
 211       isValid = true;
 212     }
 213   }
 214   return aValue;
 215 }
 216
 217 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 218                                   const std::string& theKind)
 219 {
 220   FeaturePtr aFeature;
 221   if (!theFeature)
 222     return aFeature;
 223
 224   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 225   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
 226           boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 227   if (anAttr) {
 228     aFeature = anAttr->feature();
 229     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 230       aFeature = FeaturePtr();
 231     }
 232   }
 233   return aFeature;
 234 }
 235
 236 void PartSet_Tools::createConstraint(FeaturePtr theSketch,
 237                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 238                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 239 {
 240   boost::shared_ptr<ModelAPI_Document> aDoc = document();
 241   FeaturePtr aFeature = aDoc->addFeature(SKETCH_CONSTRAINT_COINCIDENCE_KIND);
 242
 243   if (theSketch) {
 244     boost::shared_ptr<SketchPlugin_Feature> aSketch =
 245                            boost::dynamic_pointer_cast<SketchPlugin_Feature>(theSketch);
 246     aSketch->addSub(aFeature);
 247   }
 248
 249   boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 250
 251   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 =
 252         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_A));
 253   aRef1->setAttr(thePoint1);
 254
 255   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 =
 256         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_B));
 257   aRef2->setAttr(thePoint2);
 258
 259   if (aFeature) // TODO: generate an error if feature was not created
 260     aFeature->execute();
 261 }
 262
 263 void PartSet_Tools::setConstraints(FeaturePtr theSketch, FeaturePtr theFeature,
 264                                    const std::string& theAttribute,
 265                                    double theClickedX, double theClickedY)
 266 {
 267   // find a feature point by the selection mode
 268   //boost::shared_ptr<GeomDataAPI_Point2D> aPoint = featurePoint(theMode);
 269   boost::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint =
 270         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(theFeature->data()->attribute(theAttribute));
 271   if (!aFeaturePoint)
 272     return;
 273
 274   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 275   // the constraint is created between the feature point and the found sketch point
 276   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 277   boost::shared_ptr<ModelAPI_AttributeRefList> aRefList =
 278         boost::dynamic_pointer_cast<ModelAPI_AttributeRefList>(aData->attribute(SKETCH_ATTR_FEATURES));
 279
 280   std::list<FeaturePtr > aFeatures = aRefList->list();
 281   std::list<FeaturePtr >::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 282   std::list<boost::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 283   boost::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = boost::shared_ptr<GeomAPI_Pnt2d>
 284                                                      (new GeomAPI_Pnt2d(theClickedX, theClickedY));
 285   for (; anIt != aLast; anIt++)
 286   {
 287     FeaturePtr aFeature = *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 =
 295                                           boost::dynamic_pointer_cast<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 =
 311     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
 312   boost::shared_ptr<GeomDataAPI_Dir> aNormal =
 313     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_NORM));
 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(
 324                                                 boost::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 325                                                 FeaturePtr theSketch)
 326 {
 327   boost::shared_ptr<GeomAPI_Pnt> aPoint;
 328   if (!theSketch || !thePoint2D)
 329     return aPoint;
 330
 331   boost::shared_ptr<GeomDataAPI_Point> aC =
 332     boost::dynamic_pointer_cast<GeomDataAPI_Point>(theSketch->data()->attribute(SKETCH_ATTR_ORIGIN));
 333   boost::shared_ptr<GeomDataAPI_Dir> aX =
 334     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(theSketch->data()->attribute(SKETCH_ATTR_DIRX));
 335   boost::shared_ptr<GeomDataAPI_Dir> aY =
 336     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(theSketch->data()->attribute(SKETCH_ATTR_DIRY));
 337
 338   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY->dir());
 339 }
 340
 341 bool PartSet_Tools::isConstraintFeature(const std::string& theKind)
 342 {
 343   return theKind == SKETCH_CONSTRAINT_DISTANCE_KIND ||
 344          theKind == SKETCH_CONSTRAINT_LENGTH_KIND ||
 345          theKind == SKETCH_CONSTRAINT_RADIUS_KIND;
 346 }