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