src/SketchPlugin/SketchPlugin_MacroEllipse.cpp

   1 // Copyright (C) 2017-2022  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include <SketchPlugin_MacroEllipse.h>
  21
  22 #include <SketchPlugin_ConstraintCoincidenceInternal.h>
  23 #include <SketchPlugin_Ellipse.h>
  24 #include <SketchPlugin_Line.h>
  25 #include <SketchPlugin_MacroArcReentrantMessage.h>
  26 #include <SketchPlugin_Point.h>
  27 #include <SketchPlugin_Tools.h>
  28 #include <SketchPlugin_Sketch.h>
  29
  30 #include <ModelAPI_AttributeDouble.h>
  31 #include <ModelAPI_AttributeRefAttr.h>
  32 #include <ModelAPI_AttributeString.h>
  33 #include <ModelAPI_Session.h>
  34 #include <ModelAPI_Validator.h>
  35 #include <ModelAPI_Events.h>
  36
  37 #include <GeomDataAPI_Point2D.h>
  38
  39 #include <GeomAPI_Dir2d.h>
  40 #include <GeomAPI_Ellipse2d.h>
  41 #include <GeomAPI_Vertex.h>
  42
  43 #include <GeomAlgoAPI_CompoundBuilder.h>
  44 #include <GeomAlgoAPI_EdgeBuilder.h>
  45 #include <GeomAlgoAPI_PointBuilder.h>
  46
  47 static const double TOLERANCE = 1.e-7;
  48
  49 SketchPlugin_MacroEllipse::SketchPlugin_MacroEllipse()
  50 : SketchPlugin_SketchEntity(),
  51   myMajorRadius(0.0),
  52   myMinorRadius(0.0)
  53 {
  54 }
  55
  56 void SketchPlugin_MacroEllipse::initAttributes()
  57 {
  58   data()->addAttribute(ELLIPSE_TYPE(), ModelAPI_AttributeString::typeId());
  59   data()->addAttribute(EDIT_ELLIPSE_TYPE(), ModelAPI_AttributeString::typeId());
  60
  61   data()->addAttribute(CENTER_POINT_ID(), GeomDataAPI_Point2D::typeId());
  62   data()->addAttribute(CENTER_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  63   data()->addAttribute(MAJOR_AXIS_POINT_ID(), GeomDataAPI_Point2D::typeId());
  64   data()->addAttribute(MAJOR_AXIS_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  65   data()->addAttribute(PASSED_POINT_ID(), GeomDataAPI_Point2D::typeId());
  66   data()->addAttribute(PASSED_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  67
  68   data()->addAttribute(MAJOR_AXIS_START_ID(), GeomDataAPI_Point2D::typeId());
  69   data()->addAttribute(MAJOR_AXIS_START_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  70   data()->addAttribute(MAJOR_AXIS_END_ID(), GeomDataAPI_Point2D::typeId());
  71   data()->addAttribute(MAJOR_AXIS_END_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  72   data()->addAttribute(PASSED_POINT_1_ID(), GeomDataAPI_Point2D::typeId());
  73   data()->addAttribute(PASSED_POINT_1_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  74
  75   data()->addAttribute(MAJOR_RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  76   data()->addAttribute(MINOR_RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  77   data()->addAttribute(AUXILIARY_ID(), ModelAPI_AttributeBoolean::typeId());
  78
  79   string(EDIT_ELLIPSE_TYPE())->setValue("");
  80
  81   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), CENTER_POINT_REF_ID());
  82   ModelAPI_Session::get()->validators()->registerNotObligatory(
  83       getKind(), MAJOR_AXIS_POINT_REF_ID());
  84   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PASSED_POINT_REF_ID());
  85   ModelAPI_Session::get()->validators()->registerNotObligatory(
  86       getKind(), MAJOR_AXIS_START_REF_ID());
  87   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), MAJOR_AXIS_END_REF_ID());
  88   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PASSED_POINT_1_REF_ID());
  89   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EDIT_ELLIPSE_TYPE());
  90 }
  91
  92 void SketchPlugin_MacroEllipse::execute()
  93 {
  94   FeaturePtr anEllipse = createEllipseFeature();
  95
  96   std::string aType = string(ELLIPSE_TYPE())->value();
  97   if (aType == ELLIPSE_TYPE_BY_CENTER_AXIS_POINT())
  98     constraintsForEllipseByCenterAxisAndPassed(anEllipse);
  99   else if (aType == ELLIPSE_TYPE_BY_AXIS_AND_POINT())
 100     constraintsForEllipseByMajoxAxisAndPassed(anEllipse);
 101
 102   // message to init reentrant operation
 103   static Events_ID anId = SketchPlugin_MacroArcReentrantMessage::eventId();
 104   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aMessage = std::shared_ptr
 105     <SketchPlugin_MacroArcReentrantMessage>(new SketchPlugin_MacroArcReentrantMessage(anId, this));
 106
 107   std::string anEditType = string(EDIT_ELLIPSE_TYPE())->value();
 108   aMessage->setTypeOfCreation(!anEditType.empty() ? anEditType : aType);
 109   aMessage->setCreatedFeature(anEllipse);
 110   Events_Loop::loop()->send(aMessage);
 111 }
 112
 113 void SketchPlugin_MacroEllipse::attributeChanged(const std::string& theID)
 114 {
 115   static const int NB_POINTS = 3;
 116   std::string aPointAttrName[NB_POINTS];
 117   std::string aPointRefName[NB_POINTS];
 118   if (string(ELLIPSE_TYPE())->value() == ELLIPSE_TYPE_BY_CENTER_AXIS_POINT()) {
 119     aPointAttrName[0] = CENTER_POINT_ID();
 120     aPointAttrName[1] = MAJOR_AXIS_POINT_ID();
 121     aPointAttrName[2] = PASSED_POINT_ID();
 122     aPointRefName[0] = CENTER_POINT_REF_ID();
 123     aPointRefName[1] = MAJOR_AXIS_POINT_REF_ID();
 124     aPointRefName[2] = PASSED_POINT_REF_ID();
 125   } else if (string(ELLIPSE_TYPE())->value() == ELLIPSE_TYPE_BY_AXIS_AND_POINT()) {
 126     aPointAttrName[0] = MAJOR_AXIS_START_ID();
 127     aPointAttrName[1] = MAJOR_AXIS_END_ID();
 128     aPointAttrName[2] = PASSED_POINT_1_ID();
 129     aPointRefName[0] = MAJOR_AXIS_START_REF_ID();
 130     aPointRefName[1] = MAJOR_AXIS_END_REF_ID();
 131     aPointRefName[2] = PASSED_POINT_1_REF_ID();
 132   }
 133   else
 134     return;
 135
 136   // type of ellipse switched, thus reset all attributes
 137   if (theID == ELLIPSE_TYPE()) {
 138     for (int aPntIndex = 0; aPntIndex < NB_POINTS; ++aPntIndex) {
 139       SketchPlugin_Tools::resetAttribute(this, aPointAttrName[aPntIndex]);
 140       SketchPlugin_Tools::resetAttribute(this, aPointRefName[aPntIndex]);
 141     }
 142   }
 143   else {
 144     int aNbInitialized = 0;
 145     GeomPnt2dPtr anEllipsePoints[NB_POINTS];
 146
 147     for (int aPntIndex = 0; aPntIndex < NB_POINTS; ++aPntIndex) {
 148       AttributePtr aPointAttr = attribute(aPointAttrName[aPntIndex]);
 149       if (!aPointAttr->isInitialized())
 150         continue;
 151
 152       AttributeRefAttrPtr aPointRef = refattr(aPointRefName[aPntIndex]);
 153       // calculate ellipse parameters
 154       GeomPnt2dPtr aPassedPoint =
 155           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aPointAttr)->pnt();
 156       GeomShapePtr aTangentCurve;
 157       SketchPlugin_Tools::convertRefAttrToPointOrTangentCurve(
 158         aPointRef, aPointAttr, aTangentCurve, aPassedPoint);
 159
 160       anEllipsePoints[aNbInitialized++] = aPassedPoint;
 161     }
 162
 163     if (aNbInitialized <= 1)
 164       return; // too few points for the ellipse
 165
 166     if (string(ELLIPSE_TYPE())->value() == ELLIPSE_TYPE_BY_AXIS_AND_POINT()) {
 167       // ellipse is given by major axis and passing point,
 168       // recalculate the first point to be a center
 169       anEllipsePoints[0]->setX(0.5 * (anEllipsePoints[0]->x() + anEllipsePoints[1]->x()));
 170       anEllipsePoints[0]->setY(0.5 * (anEllipsePoints[0]->y() + anEllipsePoints[1]->y()));
 171     }
 172
 173     if (anEllipsePoints[0]->distance(anEllipsePoints[1]) < TOLERANCE)
 174       return; // ellipse is not valid
 175
 176     std::shared_ptr<GeomAPI_Ellipse2d> anEllipse;
 177     if (aNbInitialized == 2) {
 178       GeomDir2dPtr aXDir(new GeomAPI_Dir2d(anEllipsePoints[1]->x() - anEllipsePoints[0]->x(),
 179                                            anEllipsePoints[1]->y() - anEllipsePoints[0]->y()));
 180       double aMajorRad = anEllipsePoints[1]->distance(anEllipsePoints[0]);
 181       anEllipse = std::shared_ptr<GeomAPI_Ellipse2d>(
 182           new GeomAPI_Ellipse2d(anEllipsePoints[0], aXDir, aMajorRad, 0.5 * aMajorRad));
 183     }
 184     else if (aNbInitialized == 3) {
 185       anEllipse = std::shared_ptr<GeomAPI_Ellipse2d>(
 186         new GeomAPI_Ellipse2d(anEllipsePoints[0], anEllipsePoints[1], anEllipsePoints[2]));
 187     }
 188
 189     if (!anEllipse || anEllipse->implPtr<void>() == 0)
 190       return;
 191
 192     myCenter = anEllipse->center();
 193     myFocus = anEllipse->firstFocus();
 194     myMajorRadius = anEllipse->majorRadius();
 195     myMinorRadius = anEllipse->minorRadius();
 196
 197     AttributeDoublePtr aMajorRadiusAttr = real(MAJOR_RADIUS_ID());
 198     AttributeDoublePtr aMinorRadiusAttr = real(MINOR_RADIUS_ID());
 199
 200     bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 201     aMajorRadiusAttr->setValue(myMajorRadius);
 202     aMinorRadiusAttr->setValue(myMinorRadius);
 203     data()->blockSendAttributeUpdated(aWasBlocked, false);
 204   }
 205 }
 206
 207 // LCOV_EXCL_START
 208 std::string SketchPlugin_MacroEllipse::processEvent(
 209                                               const std::shared_ptr<Events_Message>& theMessage)
 210 {
 211   std::string aFilledAttributeName;
 212
 213   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aReentrantMessage =
 214       std::dynamic_pointer_cast<SketchPlugin_MacroArcReentrantMessage>(theMessage);
 215   if (aReentrantMessage) {
 216     FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 217     std::string anEllipseType = aReentrantMessage->typeOfCreation();
 218
 219     string(ELLIPSE_TYPE())->setValue(anEllipseType);
 220
 221     aFilledAttributeName = ELLIPSE_TYPE();
 222     ObjectPtr anObject = aReentrantMessage->selectedObject();
 223     AttributePtr anAttribute = aReentrantMessage->selectedAttribute();
 224     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = aReentrantMessage->clickedPoint();
 225
 226     if (aClickedPoint && (anObject || anAttribute)) {
 227       aFilledAttributeName = CENTER_POINT_ID();
 228       std::string aReferenceAttributeName = CENTER_POINT_REF_ID();
 229       if (anEllipseType == ELLIPSE_TYPE_BY_AXIS_AND_POINT()) {
 230         aFilledAttributeName = MAJOR_AXIS_START_ID();
 231         aReferenceAttributeName = MAJOR_AXIS_START_REF_ID();
 232       }
 233
 234       // fill 2d point attribute
 235       AttributePoint2DPtr aPointAttr =
 236           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(aFilledAttributeName));
 237       aPointAttr->setValue(aClickedPoint);
 238
 239       // fill reference attribute
 240       AttributeRefAttrPtr aRefAttr =
 241           std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(attribute(aReferenceAttributeName));
 242       if (anAttribute) {
 243         if (!anAttribute->owner() || !anAttribute->owner()->data()->isValid()) {
 244           if (aCreatedFeature && anAttribute->id() == CENTER_POINT_ID())
 245             anAttribute = aCreatedFeature->attribute(
 246                 anEllipseType == ELLIPSE_TYPE_BY_CENTER_AXIS_POINT() ?
 247                 SketchPlugin_Ellipse::CENTER_ID() :
 248                 SketchPlugin_Ellipse::MAJOR_AXIS_START_ID());
 249         }
 250         aRefAttr->setAttr(anAttribute);
 251       }
 252       else if (anObject.get()) {
 253         // if attribute is NULL, only object is defined, it should be processed outside
 254         // the feature because it might be an external feature, that will be
 255         // removed/created again after restart operation
 256         // #2468 - Crash when sketching circles successively on a repetition
 257         aFilledAttributeName = ELLIPSE_TYPE();
 258       }
 259     }
 260     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 261   }
 262   return aFilledAttributeName;
 263 }
 264 // LCOV_EXCL_STOP
 265
 266 void SketchPlugin_MacroEllipse::constraintsForEllipseByCenterAxisAndPassed(
 267     FeaturePtr theEllipseFeature)
 268 {
 269   // tangency on-the-fly is not applicable for ellipses
 270   static const bool isTangencyApplicable = false;
 271   // Create constraints.
 272   SketchPlugin_Tools::createCoincidenceOrTangency(
 273       this, CENTER_POINT_REF_ID(),
 274       theEllipseFeature->attribute(SketchPlugin_Ellipse::CENTER_ID()),
 275       ObjectPtr(), isTangencyApplicable);
 276   SketchPlugin_Tools::createCoincidenceOrTangency(
 277       this, MAJOR_AXIS_POINT_REF_ID(),
 278       theEllipseFeature->attribute(SketchPlugin_Ellipse::MAJOR_AXIS_END_ID()),
 279       ObjectPtr(), isTangencyApplicable);
 280   // make coincidence only if PASSED_POINT_REF_ID() refers a point but not an object
 281   if (!refattr(PASSED_POINT_REF_ID())->isObject()) {
 282     SketchPlugin_Tools::createCoincidenceOrTangency(
 283         this, PASSED_POINT_REF_ID(), AttributePtr(),
 284         theEllipseFeature->lastResult(), isTangencyApplicable);
 285   }
 286 }
 287
 288 void SketchPlugin_MacroEllipse::constraintsForEllipseByMajoxAxisAndPassed(
 289     FeaturePtr theEllipseFeature)
 290 {
 291   // tangency on-the-fly is not applicable for ellipses
 292   static const bool isTangencyApplicable = false;
 293   // Create constraints.
 294   SketchPlugin_Tools::createCoincidenceOrTangency(
 295       this, MAJOR_AXIS_START_REF_ID(),
 296       theEllipseFeature->attribute(SketchPlugin_Ellipse::MAJOR_AXIS_START_ID()),
 297       ObjectPtr(), isTangencyApplicable);
 298   SketchPlugin_Tools::createCoincidenceOrTangency(
 299       this, MAJOR_AXIS_END_REF_ID(),
 300       theEllipseFeature->attribute(SketchPlugin_Ellipse::MAJOR_AXIS_END_ID()),
 301       ObjectPtr(), isTangencyApplicable);
 302   // make coincidence only if PASSED_POINT_REF_ID() refers a point but not an object
 303   if (!refattr(PASSED_POINT_1_REF_ID())->isObject()) {
 304     SketchPlugin_Tools::createCoincidenceOrTangency(
 305         this, PASSED_POINT_1_REF_ID(), AttributePtr(),
 306         theEllipseFeature->lastResult(), isTangencyApplicable);
 307   }
 308 }
 309
 310 FeaturePtr SketchPlugin_MacroEllipse::createEllipseFeature()
 311 {
 312   FeaturePtr aEllipseFeature = sketch()->addFeature(SketchPlugin_Ellipse::ID());
 313
 314   AttributePoint2DPtr aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 315       aEllipseFeature->attribute(SketchPlugin_Ellipse::CENTER_ID()));
 316   aCenterAttr->setValue(myCenter->x(), myCenter->y());
 317
 318   AttributePoint2DPtr aFocusAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 319       aEllipseFeature->attribute(SketchPlugin_Ellipse::FIRST_FOCUS_ID()));
 320   aFocusAttr->setValue(myFocus->x(), myFocus->y());
 321
 322   aEllipseFeature->real(SketchPlugin_Ellipse::MAJOR_RADIUS_ID())->setValue(myMajorRadius);
 323   aEllipseFeature->real(SketchPlugin_Ellipse::MINOR_RADIUS_ID())->setValue(myMinorRadius);
 324
 325   aEllipseFeature->boolean(SketchPlugin_Ellipse::AUXILIARY_ID())->setValue(
 326       boolean(AUXILIARY_ID())->value());
 327
 328   aEllipseFeature->execute();
 329
 330   // create auxiliary points
 331   SketchPlugin_Tools::createAuxiliaryPointOnEllipse(
 332       aEllipseFeature, SketchPlugin_Ellipse::CENTER_ID());
 333   SketchPlugin_Tools::createAuxiliaryPointOnEllipse(
 334       aEllipseFeature, SketchPlugin_Ellipse::FIRST_FOCUS_ID());
 335   SketchPlugin_Tools::createAuxiliaryPointOnEllipse(
 336       aEllipseFeature, SketchPlugin_Ellipse::SECOND_FOCUS_ID());
 337   SketchPlugin_Tools::createAuxiliaryPointOnEllipse(
 338       aEllipseFeature, SketchPlugin_Ellipse::MAJOR_AXIS_START_ID());
 339   SketchPlugin_Tools::createAuxiliaryPointOnEllipse(
 340       aEllipseFeature, SketchPlugin_Ellipse::MAJOR_AXIS_END_ID());
 341   SketchPlugin_Tools::createAuxiliaryPointOnEllipse(
 342       aEllipseFeature, SketchPlugin_Ellipse::MINOR_AXIS_START_ID());
 343   SketchPlugin_Tools::createAuxiliaryPointOnEllipse(
 344       aEllipseFeature, SketchPlugin_Ellipse::MINOR_AXIS_END_ID());
 345   // create auxiliary axes
 346   SketchPlugin_Tools::createAuxiliaryAxisOfEllipse(aEllipseFeature,
 347                       SketchPlugin_Ellipse::MAJOR_AXIS_START_ID(),
 348                       SketchPlugin_Ellipse::MAJOR_AXIS_END_ID());
 349   SketchPlugin_Tools::createAuxiliaryAxisOfEllipse(aEllipseFeature,
 350                       SketchPlugin_Ellipse::MINOR_AXIS_START_ID(),
 351                       SketchPlugin_Ellipse::MINOR_AXIS_END_ID());
 352
 353   return aEllipseFeature;
 354 }
 355
 356 AISObjectPtr SketchPlugin_MacroEllipse::getAISObject(AISObjectPtr thePrevious)
 357 {
 358   SketchPlugin_Sketch* aSketch = sketch();
 359   if (!aSketch || !myCenter || myMajorRadius == 0)
 360     return AISObjectPtr();
 361
 362   std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 363       aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 364
 365   // Compute a ellipse in 3D view.
 366   GeomPointPtr aCenter(aSketch->to3D(myCenter->x(), myCenter->y()));
 367   GeomPointPtr aFocus(aSketch->to3D(myFocus->x(), myFocus->y()));
 368   GeomDirPtr aNormal = aNDir->dir();
 369   GeomDirPtr aMajorAxis(new GeomAPI_Dir(aFocus->x() - aCenter->x(),
 370       aFocus->y() - aCenter->y(), aFocus->z() - aCenter->z()));
 371
 372   std::shared_ptr<GeomAPI_Shape> anEllipseShape =
 373       GeomAlgoAPI_EdgeBuilder::ellipse(aCenter, aNormal, aMajorAxis, myMajorRadius, myMinorRadius);
 374   GeomShapePtr aCenterPointShape = GeomAlgoAPI_PointBuilder::vertex(aCenter);
 375   if (!anEllipseShape.get() || !aCenterPointShape.get())
 376     return AISObjectPtr();
 377
 378   std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
 379   aShapes.push_back(anEllipseShape);
 380   aShapes.push_back(aCenterPointShape);
 381
 382   std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
 383   AISObjectPtr anAIS = thePrevious;
 384   if (!anAIS)
 385     anAIS.reset(new GeomAPI_AISObject());
 386   anAIS->createShape(aCompound);
 387
 388   // Modify attributes
 389   SketchPlugin_Tools::customizeFeaturePrs(anAIS, boolean(AUXILIARY_ID())->value());
 390
 391   return anAIS;
 392 }