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_Document.h>
  10
  11 #include <GeomDataAPI_Point.h>
  12 #include <GeomDataAPI_Dir.h>
  13 #include <GeomDataAPI_Point2D.h>
  14 #include <GeomAPI_Pln.h>
  15 #include <GeomAPI_Pnt2d.h>
  16 #include <GeomAPI_Pnt.h>
  17
  18 #include <GeomAPI_Dir.h>
  19 #include <GeomAPI_XYZ.h>
  20
  21 #include <SketchPlugin_Feature.h>
  22 #include <SketchPlugin_Sketch.h>
  23 #include <SketchPlugin_ConstraintCoincidence.h>
  24 #include <SketchPlugin_Constraint.h>
  25
  26 #include <PartSet_FeatureLinePrs.h>
  27 #include <PartSet_FeaturePointPrs.h>
  28 #include <PartSet_FeatureCirclePrs.h>
  29 #include <PartSet_FeatureArcPrs.h>
  30
  31 #include <PartSet_ConstraintLengthPrs.h>
  32 #include <PartSet_ConstraintRadiusPrs.h>
  33 #include <PartSet_ConstraintDistancePrs.h>
  34
  35 #include <XGUI_ViewerPrs.h>
  36
  37 #include <V3d_View.hxx>
  38 #include <gp_Pln.hxx>
  39 #include <ProjLib.hxx>
  40 #include <ElSLib.hxx>
  41 #include <Geom_Line.hxx>
  42 #include <GeomAPI_ProjectPointOnCurve.hxx>
  43
  44 #ifdef _DEBUG
  45 #include <QDebug>
  46 #endif
  47
  48 const double PRECISION_TOLERANCE = 0.000001;
  49
  50 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
  51 {
  52   if (theView.IsNull())
  53     return gp_Pnt();
  54
  55   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  56   theView->Eye(XEye, YEye, ZEye);
  57
  58   theView->At(XAt, YAt, ZAt);
  59   gp_Pnt EyePoint(XEye, YEye, ZEye);
  60   gp_Pnt AtPoint(XAt, YAt, ZAt);
  61
  62   gp_Vec EyeVector(EyePoint, AtPoint);
  63   gp_Dir EyeDir(EyeVector);
  64
  65   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
  66   Standard_Real X, Y, Z;
  67   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
  68   gp_Pnt ConvertedPoint(X, Y, Z);
  69
  70   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
  71   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(), PlaneOfTheView);
  72   return ResultPoint;
  73 }
  74
  75 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
  76                                 Handle(V3d_View) theView, double& theX, double& theY)
  77 {
  78   if (!theSketch)
  79     return;
  80
  81   AttributeDoublePtr anAttr;
  82   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
  83
  84   boost::shared_ptr<GeomDataAPI_Point> anOrigin =
  85     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
  86
  87   boost::shared_ptr<GeomDataAPI_Dir> aX =
  88     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRX));
  89   boost::shared_ptr<GeomDataAPI_Dir> anY =
  90     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRY));
  91
  92   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
  93   gp_Vec aVec(anOriginPnt, thePoint);
  94
  95   if (!theView.IsNull())
  96   {
  97     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  98     theView->Eye(XEye, YEye, ZEye);
  99
 100     theView->At(XAt, YAt, ZAt);
 101     gp_Pnt EyePoint(XEye, YEye, ZEye);
 102     gp_Pnt AtPoint(XAt, YAt, ZAt);
 103
 104     gp_Vec anEyeVec(EyePoint, AtPoint);
 105     anEyeVec.Normalize();
 106
 107     boost::shared_ptr<GeomDataAPI_Dir> aNormal =
 108                   boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_NORM));
 109     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 110
 111     double aDen = anEyeVec * aNormalVec;
 112     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 113
 114     gp_Vec aDeltaVec = anEyeVec*aLVec;
 115     aVec = aVec - aDeltaVec;
 116   }
 117   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 118   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 119 }
 120
 121 void PartSet_Tools::convertTo3D(const double theX, const double theY,
 122                                 FeaturePtr theSketch,
 123                                 gp_Pnt& thePoint)
 124 {
 125   if (!theSketch)
 126     return;
 127
 128   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 129
 130   boost::shared_ptr<GeomDataAPI_Point> aC =
 131     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
 132   boost::shared_ptr<GeomDataAPI_Dir> aX =
 133     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRX));
 134   boost::shared_ptr<GeomDataAPI_Dir> aY =
 135     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_DIRY));
 136
 137   boost::shared_ptr<GeomAPI_XYZ> aSum = aC->pnt()->xyz()->added(
 138     aX->dir()->xyz()->multiplied(theX))->added(aY->dir()->xyz()->multiplied(theY));
 139
 140   boost::shared_ptr<GeomAPI_Pnt> aPoint = boost::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aSum));
 141   thePoint = gp_Pnt(aPoint->x(), aPoint->y(), aPoint->z());
 142 }
 143
 144 boost::shared_ptr<PartSet_FeaturePrs> PartSet_Tools::createFeaturePrs(const std::string& theKind,
 145                                                                       FeaturePtr theSketch,
 146                                                                       FeaturePtr theFeature)
 147 {
 148   boost::shared_ptr<PartSet_FeaturePrs> aFeaturePrs;
 149
 150   if (theKind == PartSet_FeaturePointPrs::getKind()) {
 151     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_FeaturePointPrs(theSketch));
 152   }
 153   else if (theKind == PartSet_FeatureLinePrs::getKind()) {
 154     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_FeatureLinePrs(theSketch));
 155   }
 156   else if (theKind == PartSet_FeatureCirclePrs::getKind()) {
 157     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_FeatureCirclePrs(theSketch));
 158   }
 159   else if (theKind == PartSet_FeatureArcPrs::getKind()) {
 160     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_FeatureArcPrs(theSketch));
 161   }
 162   else if (theKind == PartSet_ConstraintLengthPrs::getKind()) {
 163     aFeaturePrs = boost::shared_ptr<PartSet_FeaturePrs>(new PartSet_ConstraintLengthPrs(theSketch));
 164   }
 165   else if (theKind == PartSet_ConstraintRadiusPrs::getKind()) {
 166     aFeaturePrs = boost::shared_ptr<PartSet_ConstraintRadiusPrs>(new PartSet_ConstraintRadiusPrs(theSketch));
 167   }
 168   else if (theKind == PartSet_ConstraintDistancePrs::getKind()) {
 169     aFeaturePrs = boost::shared_ptr<PartSet_ConstraintDistancePrs>(new PartSet_ConstraintDistancePrs(theSketch));
 170   }
 171
 172
 173   if (theFeature && aFeaturePrs)
 174     aFeaturePrs->init(theFeature);
 175
 176   return aFeaturePrs;
 177 }
 178
 179 FeaturePtr PartSet_Tools::nearestFeature(QPoint thePoint, Handle_V3d_View theView,
 180                                          FeaturePtr theSketch,
 181                                          const std::list<XGUI_ViewerPrs>& theFeatures)
 182 {
 183   double aX, anY;
 184   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(thePoint, theView);
 185   PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, anY);
 186
 187   FeaturePtr aFeature;
 188   std::list<XGUI_ViewerPrs>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures.end();
 189
 190   FeaturePtr aDeltaFeature;
 191   double aMinDelta = -1;
 192   XGUI_ViewerPrs aPrs;
 193   for (; anIt != aLast; anIt++) {
 194     aPrs = *anIt;
 195     if (!aPrs.feature())
 196       continue;
 197     double aDelta = distanceToPoint(aPrs.feature(), aX, anY);
 198     if (aMinDelta < 0 || aMinDelta > aDelta) {
 199       aMinDelta = aDelta;
 200       aDeltaFeature = aPrs.feature();
 201     }
 202   }
 203   return aDeltaFeature;
 204 }
 205
 206 double PartSet_Tools::distanceToPoint(FeaturePtr theFeature,
 207                                       double theX, double theY)
 208 {
 209   boost::shared_ptr<PartSet_FeaturePrs> aFeaturePrs = PartSet_Tools::createFeaturePrs(
 210                                            theFeature->getKind(), FeaturePtr(), theFeature);
 211   double aDelta = 0;
 212   if (aFeaturePrs)
 213     aDelta = aFeaturePrs->distanceToPoint(theFeature, theX, theY);
 214
 215   return aDelta;
 216 }
 217
 218 boost::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 219 {
 220   return ModelAPI_PluginManager::get()->rootDocument();
 221 }
 222
 223 void PartSet_Tools::setFeaturePoint(FeaturePtr theFeature, double theX, double theY,
 224                                     const std::string& theAttribute)
 225 {
 226   if (!theFeature)
 227     return;
 228   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 229   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
 230         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(theAttribute));
 231   if (aPoint)
 232     aPoint->setValue(theX, theY);
 233 }
 234
 235 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 236                                     const std::string& theAttribute)
 237 {
 238   if (!theFeature)
 239     return;
 240   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 241   AttributeDoublePtr anAttribute =
 242         boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(theAttribute));
 243   if (anAttribute)
 244     anAttribute->setValue(theValue);
 245 }
 246
 247 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 248                                    bool& isValid)
 249 {
 250   isValid = false;
 251   double aValue;
 252   if (theFeature) {
 253     boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 254     AttributeDoublePtr anAttribute =
 255           boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(theAttribute));
 256     if (anAttribute) {
 257       aValue = anAttribute->value();
 258       isValid = true;
 259     }
 260   }
 261   return aValue;
 262 }
 263
 264 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 265                                   const std::string& theKind)
 266 {
 267   FeaturePtr aFeature;
 268   if (!theFeature)
 269     return aFeature;
 270
 271   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 272   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
 273           boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 274   if (anAttr) {
 275     aFeature = anAttr->feature();
 276     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 277       aFeature = FeaturePtr();
 278     }
 279   }
 280   return aFeature;
 281 }
 282
 283 void PartSet_Tools::createConstraint(FeaturePtr theSketch,
 284                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 285                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 286 {
 287   boost::shared_ptr<ModelAPI_Document> aDoc = document();
 288   FeaturePtr aFeature = aDoc->addFeature(SKETCH_CONSTRAINT_COINCIDENCE_KIND);
 289
 290   if (theSketch) {
 291     boost::shared_ptr<SketchPlugin_Feature> aSketch =
 292                            boost::dynamic_pointer_cast<SketchPlugin_Feature>(theSketch);
 293     aSketch->addSub(aFeature);
 294   }
 295
 296   boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 297
 298   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 =
 299         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_A));
 300   aRef1->setAttr(thePoint1);
 301
 302   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 =
 303         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aData->attribute(CONSTRAINT_ATTR_ENTITY_B));
 304   aRef2->setAttr(thePoint2);
 305
 306   if (aFeature) // TODO: generate an error if feature was not created
 307     aFeature->execute();
 308 }
 309
 310 boost::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::findPoint(FeaturePtr theFeature,
 311                                                                 double theX, double theY)
 312 {
 313   boost::shared_ptr<PartSet_FeaturePrs> aFeaturePrs = PartSet_Tools::createFeaturePrs(
 314                                            theFeature->getKind(), FeaturePtr(), theFeature);
 315
 316   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2D;
 317   if (aFeaturePrs)
 318     aPoint2D = aFeaturePrs->findPoint(theFeature, theX, theY);
 319
 320   return aPoint2D;
 321 }
 322
 323 boost::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(FeaturePtr theSketch)
 324 {
 325   boost::shared_ptr<GeomAPI_Pln> aPlane;
 326   double aA, aB, aC, aD;
 327
 328   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 329   boost::shared_ptr<GeomDataAPI_Point> anOrigin =
 330     boost::dynamic_pointer_cast<GeomDataAPI_Point>(aData->attribute(SKETCH_ATTR_ORIGIN));
 331   boost::shared_ptr<GeomDataAPI_Dir> aNormal =
 332     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aData->attribute(SKETCH_ATTR_NORM));
 333   aA = aNormal->x();
 334   aB = aNormal->y();
 335   aC = aNormal->z();
 336   aD = 0;
 337
 338   aPlane = boost::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 339   return aPlane;
 340 }
 341
 342 boost::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(
 343                                                 boost::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 344                                                 FeaturePtr theSketch)
 345 {
 346   boost::shared_ptr<GeomAPI_Pnt> aPoint;
 347   if (!theSketch || !thePoint2D)
 348     return aPoint;
 349
 350   boost::shared_ptr<GeomDataAPI_Point> aC =
 351     boost::dynamic_pointer_cast<GeomDataAPI_Point>(theSketch->data()->attribute(SKETCH_ATTR_ORIGIN));
 352   boost::shared_ptr<GeomDataAPI_Dir> aX =
 353     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(theSketch->data()->attribute(SKETCH_ATTR_DIRX));
 354   boost::shared_ptr<GeomDataAPI_Dir> aY =
 355     boost::dynamic_pointer_cast<GeomDataAPI_Dir>(theSketch->data()->attribute(SKETCH_ATTR_DIRY));
 356
 357   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY->dir());
 358 }
 359
 360 bool PartSet_Tools::isConstraintFeature(const std::string& theKind)
 361 {
 362   return theKind == PartSet_ConstraintLengthPrs::getKind() ||
 363          theKind == PartSet_ConstraintDistancePrs::getKind() ||
 364          theKind == PartSet_ConstraintRadiusPrs::getKind();
 365 }