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_Constraint.h>
  26
  27 #include <PartSet_FeatureLinePrs.h>
  28 #include <PartSet_FeaturePointPrs.h>
  29 #include <PartSet_FeatureCirclePrs.h>
  30 #include <PartSet_FeatureArcPrs.h>
  31
  32 #include <PartSet_ConstraintLengthPrs.h>
  33 #include <PartSet_ConstraintRadiusPrs.h>
  34 #include <PartSet_ConstraintDistancePrs.h>
  35
  36 #include <XGUI_ViewerPrs.h>
  37
  38 #include <V3d_View.hxx>
  39 #include <gp_Pln.hxx>
  40 #include <ProjLib.hxx>
  41 #include <ElSLib.hxx>
  42 #include <Geom_Line.hxx>
  43 #include <GeomAPI_ProjectPointOnCurve.hxx>
  44
  45 #ifdef _DEBUG
  46 #include <QDebug>
  47 #endif
  48
  49 const double PRECISION_TOLERANCE = 0.000001;
  50
  51 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
  52 {
  53   if (theView.IsNull())
  54     return gp_Pnt();
  55
  56   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  57   theView->Eye(XEye, YEye, ZEye);
  58
  59   theView->At(XAt, YAt, ZAt);
  60   gp_Pnt EyePoint(XEye, YEye, ZEye);
  61   gp_Pnt AtPoint(XAt, YAt, ZAt);
  62
  63   gp_Vec EyeVector(EyePoint, AtPoint);
  64   gp_Dir EyeDir(EyeVector);
  65
  66   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
  67   Standard_Real X, Y, Z;
  68   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
  69   gp_Pnt ConvertedPoint(X, Y, Z);
  70
  71   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
  72   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(), PlaneOfTheView);
  73   return ResultPoint;
  74 }
  75
  76 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
  77                                 Handle(V3d_View) theView, double& theX, double& theY)
  78 {
  79   if (!theSketch)
  80     return;
  81
  82   AttributeDoublePtr anAttr;
  83   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
  84
  85   boost::shared_ptr<GeomDataAPI_Point> anOrigin =
  86     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
  87
  88   boost::shared_ptr<GeomDataAPI_Dir> aX =
  89     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRX));
  90   boost::shared_ptr<GeomDataAPI_Dir> anY =
  91     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRY));
  92
  93   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
  94   gp_Vec aVec(anOriginPnt, thePoint);
  95
  96   if (!theView.IsNull())
  97   {
  98     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  99     theView->Eye(XEye, YEye, ZEye);
 100
 101     theView->At(XAt, YAt, ZAt);
 102     gp_Pnt EyePoint(XEye, YEye, ZEye);
 103     gp_Pnt AtPoint(XAt, YAt, ZAt);
 104
 105     gp_Vec anEyeVec(EyePoint, AtPoint);
 106     anEyeVec.Normalize();
 107
 108     boost::shared_ptr<GeomDataAPI_Dir> aNormal =
 109                   boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_NORM));
 110     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 111
 112     double aDen = anEyeVec * aNormalVec;
 113     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 114
 115     gp_Vec aDeltaVec = anEyeVec*aLVec;
 116     aVec = aVec - aDeltaVec;
 117   }
 118   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 119   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 120 }
 121
 122 void PartSet_Tools::convertTo3D(const double theX, const double theY,
 123                                 FeaturePtr theSketch,
 124                                 gp_Pnt& thePoint)
 125 {
 126   if (!theSketch)
 127     return;
 128
 129   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 130
 131   boost::shared_ptr<GeomDataAPI_Point> aC =
 132     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
 133   boost::shared_ptr<GeomDataAPI_Dir> aX =
 134     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRX));
 135   boost::shared_ptr<GeomDataAPI_Dir> aY =
 136     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRY));
 137
 138   boost::shared_ptr<GeomAPI_XYZ> aSum = aC->pnt()->xyz()->added(
 139     aX->dir()->xyz()->multiplied(theX))->added(aY->dir()->xyz()->multiplied(theY));
 140
 141   boost::shared_ptr<GeomAPI_Pnt> aPoint = boost::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aSum));
 142   thePoint = gp_Pnt(aPoint->x(), aPoint->y(), aPoint->z());
 143 }
 144
 145 boost::shared_ptr<PartSet_FeaturePrs> PartSet_Tools::createFeaturePrs(const std::string& theKind,
 146                                                                       FeaturePtr theSketch,
 147                                                                       FeaturePtr theFeature)
 148 {
 149   boost::shared_ptr<PartSet_FeaturePrs> aFeaturePrs;
 150
 151   if (theKind == PartSet_FeaturePointPrs::getKind()) {
 152     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_FeaturePointPrs(theSketch));
 153   }
 154   else if (theKind == PartSet_FeatureLinePrs::getKind()) {
 155     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_FeatureLinePrs(theSketch));
 156   }
 157   else if (theKind == PartSet_FeatureCirclePrs::getKind()) {
 158     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_FeatureCirclePrs(theSketch));
 159   }
 160   else if (theKind == PartSet_FeatureArcPrs::getKind()) {
 161     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_FeatureArcPrs(theSketch));
 162   }
 163   else if (theKind == PartSet_ConstraintLengthPrs::getKind()) {
 164     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_ConstraintLengthPrs(theSketch));
 165   }
 166   else if (theKind == PartSet_ConstraintRadiusPrs::getKind()) {
 167     aFeaturePrs = boost::shared_ptr<PartSet_ConstraintRadiusPrs>(new PartSet_ConstraintRadiusPrs(theSketch));
 168   }
 169   else if (theKind == PartSet_ConstraintDistancePrs::getKind()) {
 170     aFeaturePrs = boost::shared_ptr<PartSet_ConstraintDistancePrs>(new PartSet_ConstraintDistancePrs(theSketch));
 171   }
 172
 173
 174   if (theFeature && aFeaturePrs)
 175     aFeaturePrs->init(theFeature);
 176
 177   return aFeaturePrs;
 178 }
 179
 180 FeaturePtr PartSet_Tools::nearestFeature(QPoint thePoint, Handle_V3d_View theView,
 181                                          FeaturePtr theSketch,
 182                                          const std::list<XGUI_ViewerPrs>& theFeatures)
 183 {
 184   double aX, anY;
 185   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(thePoint, theView);
 186   PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, anY);
 187
 188   FeaturePtr aFeature;
 189   std::list<XGUI_ViewerPrs>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures.end();
 190
 191   FeaturePtr aDeltaFeature;
 192   double aMinDelta = -1;
 193   XGUI_ViewerPrs aPrs;
 194   for (; anIt != aLast; anIt++) {
 195     aPrs = *anIt;
 196     if (!aPrs.feature())
 197       continue;
 198     boost::shared_ptr<SketchPlugin_Feature> aSketchFeature =
 199                            boost::dynamic_pointer_cast<SketchPlugin_Feature>(aPrs.feature());
 200     if (!aSketchFeature)
 201       continue;
 202     double aDelta = aSketchFeature->distanceToPoint(
 203                                boost::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY)));
 204     if (aMinDelta < 0 || aMinDelta > aDelta) {
 205       aMinDelta = aDelta;
 206       aDeltaFeature = aPrs.feature();
 207     }
 208   }
 209   return aDeltaFeature;
 210 }
 211
 212 boost::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 213 {
 214   return ModelAPI_PluginManager::get()->rootDocument();
 215 }
 216
 217 void PartSet_Tools::setFeaturePoint(FeaturePtr theFeature, double theX, double theY,
 218                                     const std::string& theAttribute)
 219 {
 220   if (!theFeature)
 221     return;
 222   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 223   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 224         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(theAttribute));
 225   if (aPoint)
 226     aPoint->setValue(theX, theY);
 227 }
 228
 229 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 230                                     const std::string& theAttribute)
 231 {
 232   if (!theFeature)
 233     return;
 234   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 235   AttributeDoublePtr anAttribute =
 236         boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(theAttribute));
 237   if (anAttribute)
 238     anAttribute->setValue(theValue);
 239 }
 240
 241 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 242                                    bool& isValid)
 243 {
 244   isValid = false;
 245   double aValue;
 246   if (theFeature) {
 247     boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 248     AttributeDoublePtr anAttribute =
 249           boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(theAttribute));
 250     if (anAttribute) {
 251       aValue = anAttribute->value();
 252       isValid = true;
 253     }
 254   }
 255   return aValue;
 256 }
 257
 258 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 259                                   const std::string& theKind)
 260 {
 261   FeaturePtr aFeature;
 262   if (!theFeature)
 263     return aFeature;
 264
 265   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 266   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
 267           boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 268   if (anAttr) {
 269     aFeature = anAttr->feature();
 270     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 271       aFeature = FeaturePtr();
 272     }
 273   }
 274   return aFeature;
 275 }
 276
 277 void PartSet_Tools::createConstraint(FeaturePtr theSketch,
 278                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 279                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 280 {
 281   boost::shared_ptr<ModelAPI_Document> aDoc = document();
 282   FeaturePtr aFeature = aDoc->addFeature(SKETCH_CONSTRAINT_COINCIDENCE_KIND);
 283
 284   if (theSketch) {
 285     boost::shared_ptr<SketchPlugin_Feature> aSketch =
 286                            boost::dynamic_pointer_cast<SketchPlugin_Feature>(theSketch);
 287     aSketch->addSub(aFeature);
 288   }
 289
 290   boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 291
 292   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 =
 293         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_A));
 294   aRef1->setAttr(thePoint1);
 295
 296   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 =
 297         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_B));
 298   aRef2->setAttr(thePoint2);
 299
 300   if (aFeature) // TODO: generate an error if feature was not created
 301     aFeature->execute();
 302 }
 303
 304 void PartSet_Tools::setConstraints(FeaturePtr theSketch, FeaturePtr theFeature,
 305                                    const std::string& theAttribute, double theX, double theY)
 306 {
 307   // find a feature point by the selection mode
 308   //boost::shared_ptr<GeomDataAPI_Point2D> aPoint = featurePoint(theMode);
 309   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 310         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(theFeature->data()->attribute(theAttribute));
 311   if (!aPoint)
 312     return;
 313
 314   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 315   // the constraint is created between the feature point and the found sketch point
 316   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 317   boost::shared_ptr<ModelAPI_AttributeRefList> aRefList =
 318         boost::dynamic_pointer_cast<ModelAPI_AttributeRefList>(aData->attribute(SKETCH_ATTR_FEATURES));
 319
 320   std::list<FeaturePtr > aFeatures = aRefList->list();
 321   std::list<FeaturePtr >::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 322   for (; anIt != aLast; anIt++)
 323   {
 324     FeaturePtr aFeature = *anIt;
 325     boost::shared_ptr<GeomDataAPI_Point2D> aFPoint;// = aFeature->findPoint(theX, theY);
 326     if (aFPoint)
 327       PartSet_Tools::createConstraint(theSketch, aFPoint, aPoint);
 328   }
 329 }
 330
 331 boost::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::findPoint(FeaturePtr theFeature,
 332                                                                 double theX, double theY)
 333 {
 334   boost::shared_ptr<PartSet_FeaturePrs> aFeaturePrs = PartSet_Tools::createFeaturePrs(
 335                                            theFeature->getKind(), FeaturePtr(), theFeature);
 336
 337   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2D;
 338   if (aFeaturePrs)
 339     aPoint2D = aFeaturePrs->findPoint(theFeature, theX, theY);
 340
 341   return aPoint2D;
 342 }
 343
 344 boost::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(FeaturePtr theSketch)
 345 {
 346   boost::shared_ptr<GeomAPI_Pln> aPlane;
 347   double aA, aB, aC, aD;
 348
 349   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 350   boost::shared_ptr<GeomDataAPI_Point> anOrigin =
 351     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
 352   boost::shared_ptr<GeomDataAPI_Dir> aNormal =
 353     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_NORM));
 354   aA = aNormal->x();
 355   aB = aNormal->y();
 356   aC = aNormal->z();
 357   aD = 0;
 358
 359   aPlane = boost::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 360   return aPlane;
 361 }
 362
 363 boost::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(
 364                                                 boost::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 365                                                 FeaturePtr theSketch)
 366 {
 367   boost::shared_ptr<GeomAPI_Pnt> aPoint;
 368   if (!theSketch || !thePoint2D)
 369     return aPoint;
 370
 371   boost::shared_ptr<GeomDataAPI_Point> aC =
 372     boost::dynamic_pointer_cast<GeomDataAPI_Point>(theSketch->data()->attribute(SKETCH_ATTR_ORIGIN));
 373   boost::shared_ptr<GeomDataAPI_Dir> aX =
 374     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(theSketch->data()->attribute(SKETCH_ATTR_DIRX));
 375   boost::shared_ptr<GeomDataAPI_Dir> aY =
 376     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(theSketch->data()->attribute(SKETCH_ATTR_DIRY));
 377
 378   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY->dir());
 379 }
 380
 381 bool PartSet_Tools::isConstraintFeature(const std::string& theKind)
 382 {
 383   return theKind == PartSet_ConstraintLengthPrs::getKind() ||
 384          theKind == PartSet_ConstraintDistancePrs::getKind() ||
 385          theKind == PartSet_ConstraintRadiusPrs::getKind();
 386 }