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 std::list<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   std::list<ModuleBase_ViewerPrs>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures
 150       .end();
 151
 152   FeaturePtr aDeltaFeature;
 153   double aMinDelta = -1;
 154   ModuleBase_ViewerPrs aPrs;
 155   for (; anIt != aLast; anIt++) {
 156     aPrs = *anIt;
 157     if (!aPrs.object())
 158       continue;
 159     boost::shared_ptr<SketchPlugin_Feature> aSketchFeature = boost::dynamic_pointer_cast<
 160         SketchPlugin_Feature>(aPrs.object());
 161     if (!aSketchFeature)
 162       continue;
 163     double aDelta = aSketchFeature->distanceToPoint(
 164         boost::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY)));
 165     if (aMinDelta < 0 || aMinDelta > aDelta) {
 166       aMinDelta = aDelta;
 167       // TODO aDeltaFeature = aPrs.result();
 168     }
 169   }
 170   return aDeltaFeature;
 171 }
 172
 173 boost::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 174 {
 175   return ModelAPI_Session::get()->moduleDocument();
 176 }
 177
 178 void PartSet_Tools::setFeaturePoint(FeaturePtr theFeature, double theX, double theY,
 179                                     const std::string& theAttribute)
 180 {
 181   if (!theFeature)
 182     return;
 183   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 184   boost::shared_ptr<GeomDataAPI_Point2D> aPoint = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 185       aData->attribute(theAttribute));
 186   if (aPoint)
 187     aPoint->setValue(theX, theY);
 188 }
 189
 190 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 191                                     const std::string& theAttribute)
 192 {
 193   if (!theFeature)
 194     return;
 195   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 196   AttributeDoublePtr anAttribute = boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 197       aData->attribute(theAttribute));
 198   if (anAttribute)
 199     anAttribute->setValue(theValue);
 200 }
 201
 202 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 203                                    bool& isValid)
 204 {
 205   isValid = false;
 206   double aValue;
 207   if (theFeature) {
 208     boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 209     AttributeDoublePtr anAttribute = boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 210         aData->attribute(theAttribute));
 211     if (anAttribute) {
 212       aValue = anAttribute->value();
 213       isValid = true;
 214     }
 215   }
 216   return aValue;
 217 }
 218
 219 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 220                                   const std::string& theKind)
 221 {
 222   FeaturePtr aFeature;
 223   if (!theFeature)
 224     return aFeature;
 225
 226   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 227   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = boost::dynamic_pointer_cast<
 228       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 229   if (anAttr) {
 230     aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 231     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 232       aFeature = FeaturePtr();
 233     }
 234   }
 235   return aFeature;
 236 }
 237
 238 void PartSet_Tools::createConstraint(FeaturePtr theSketch,
 239                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 240                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 241 {
 242   boost::shared_ptr<ModelAPI_Document> aDoc = document();
 243   FeaturePtr aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 244
 245   if (theSketch) {
 246     boost::shared_ptr<SketchPlugin_Feature> aSketch = boost::dynamic_pointer_cast<
 247         SketchPlugin_Feature>(theSketch);
 248     aSketch->addSub(aFeature);
 249   }
 250
 251   boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 252
 253   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = boost::dynamic_pointer_cast<
 254       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 255   aRef1->setAttr(thePoint1);
 256
 257   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = boost::dynamic_pointer_cast<
 258       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 259   aRef2->setAttr(thePoint2);
 260
 261   if (aFeature)  // TODO: generate an error if feature was not created
 262     aFeature->execute();
 263 }
 264
 265 void PartSet_Tools::setConstraints(FeaturePtr theSketch, FeaturePtr theFeature,
 266                                    const std::string& theAttribute, double theClickedX,
 267                                    double theClickedY)
 268 {
 269   // find a feature point by the selection mode
 270   //boost::shared_ptr<GeomDataAPI_Point2D> aPoint = featurePoint(theMode);
 271   boost::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = boost::dynamic_pointer_cast<
 272       GeomDataAPI_Point2D>(theFeature->data()->attribute(theAttribute));
 273   if (!aFeaturePoint)
 274     return;
 275
 276   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 277   // the constraint is created between the feature point and the found sketch point
 278   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 279   boost::shared_ptr<ModelAPI_AttributeRefList> aRefList = boost::dynamic_pointer_cast<
 280       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 281
 282   std::list<ObjectPtr> aFeatures = aRefList->list();
 283   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 284   std::list<boost::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 285   boost::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = boost::shared_ptr<GeomAPI_Pnt2d>(
 286       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 287   for (; anIt != aLast; anIt++) {
 288     FeaturePtr aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 289     // find the given point in the feature attributes
 290     anAttiributes = aFeature->data()->attributes(GeomDataAPI_Point2D::type());
 291     std::list<boost::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 292         aLast = anAttiributes.end();
 293     boost::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 294     for (; anIt != aLast && !aFPoint; anIt++) {
 295       boost::shared_ptr<GeomDataAPI_Point2D> aCurPoint = boost::dynamic_pointer_cast<
 296           GeomDataAPI_Point2D>(*anIt);
 297       if (aCurPoint && aCurPoint->pnt()->distance(aClickedPoint) < Precision::Confusion())
 298         aFPoint = aCurPoint;
 299     }
 300     if (aFPoint)
 301       PartSet_Tools::createConstraint(theSketch, aFPoint, aFeaturePoint);
 302   }
 303 }
 304
 305 boost::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(FeaturePtr theSketch)
 306 {
 307   boost::shared_ptr<GeomAPI_Pln> aPlane;
 308   double aA, aB, aC, aD;
 309
 310   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 311   boost::shared_ptr<GeomDataAPI_Point> anOrigin = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
 312       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 313   boost::shared_ptr<GeomDataAPI_Dir> aNormal = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 314       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 315   aA = aNormal->x();
 316   aB = aNormal->y();
 317   aC = aNormal->z();
 318   aD = 0;
 319
 320   aPlane = boost::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 321   return aPlane;
 322 }
 323
 324 boost::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(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 = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
 332       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 333   boost::shared_ptr<GeomDataAPI_Dir> aX = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 334       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 335   boost::shared_ptr<GeomDataAPI_Dir> aY = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 336       theSketch->data()->attribute(SketchPlugin_Sketch::DIRY_ID()));
 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 == SketchPlugin_ConstraintDistance::ID()
 344       || theKind == SketchPlugin_ConstraintLength::ID()
 345       || theKind == SketchPlugin_ConstraintRadius::ID()
 346       || theKind == SketchPlugin_ConstraintRigid::ID();
 347 }