1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: SketchPlugin_ConstraintSplit.cpp
4 // Created: 17 Jul 2016
5 // Author: Natalia ERMOLAEVA
7 #include "SketchPlugin_ConstraintSplit.h"
9 //#include <GeomAPI_Circ2d.h>
10 //#include <GeomAPI_Dir2d.h>
11 //#include <GeomAPI_Lin2d.h>
12 #include <GeomAPI_Pnt2d.h>
13 //#include <GeomAPI_XY.h>
14 #include <GeomDataAPI_Point2D.h>
15 //#include <ModelAPI_AttributeDouble.h>
16 #include <ModelAPI_AttributeReference.h>
17 #include <ModelAPI_AttributeString.h>
18 //#include <ModelAPI_AttributeRefList.h>
19 #include <ModelAPI_AttributeRefAttr.h>
21 #include <ModelAPI_Validator.h>
22 #include <ModelAPI_Session.h>
24 #include <SketchPlugin_Line.h>
25 #include <SketchPlugin_Arc.h>
26 #include <SketchPlugin_Circle.h>
27 #include <SketchPlugin_ConstraintCoincidence.h>
28 #include <SketchPlugin_ConstraintEqual.h>
29 #include <SketchPlugin_ConstraintParallel.h>
30 #include <SketchPlugin_ConstraintTangent.h>
32 //#include <ModelAPI_Data.h>
33 #include <ModelAPI_Events.h>
34 //#include <ModelAPI_Session.h>
35 //#include <ModelAPI_Validator.h>
37 //#include <SketchPlugin_Arc.h>
38 //#include <SketchPlugin_Line.h>
39 //#include <SketchPlugin_Point.h>
40 //#include <SketchPlugin_Sketch.h>
41 //#include <SketchPlugin_ConstraintCoincidence.h>
42 //#include <SketchPlugin_ConstraintTangent.h>
43 //#include <SketchPlugin_ConstraintRadius.h>
44 //#include <SketchPlugin_Tools.h>
46 #include <Events_Loop.h>
50 //const double tolerance = 1.e-7;
51 //const double paramTolerance = 1.e-4;
53 ///// \brief Attract specified point on theNewArc to the attribute of theFeature
54 //static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
55 // FeaturePtr theFeature, const std::string& theFeatureAttribute);
57 ///// \brief Calculates center of fillet arc and coordinates of tangency points
58 //static void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
59 // double theRadius, bool theNotInversed[2],
60 // std::shared_ptr<GeomAPI_XY>& theCenter,
61 // std::shared_ptr<GeomAPI_XY>& theTangentA,
62 // std::shared_ptr<GeomAPI_XY>& theTangentB);
64 ///// Get point on 1/3 length of edge from fillet point
65 //static void getPointOnEdge(const FeaturePtr theFeature,
66 // const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
67 // std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
69 ///// Get distance from point to feature
70 //static double getProjectionDistance(const FeaturePtr theFeature,
71 // const std::shared_ptr<GeomAPI_Pnt2d> thePoint);
73 ///// Get coincide edges for fillet
74 //static std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence);
76 SketchPlugin_ConstraintSplit::SketchPlugin_ConstraintSplit()
77 //: myListOfPointsChangedInCode(false),
78 // myRadiusChangedByUser(false),
79 // myRadiusChangedInCode(false),
80 // myRadiusInitialized(false)
84 void SketchPlugin_ConstraintSplit::initAttributes()
86 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeReference::typeId());
87 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
88 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
90 //data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
91 //data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttrList::typeId());
94 void SketchPlugin_ConstraintSplit::execute()
96 std::shared_ptr<ModelAPI_Data> aData = data();
98 // Check the base objects are initialized.
99 AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
100 aData->attribute(SketchPlugin_Constraint::VALUE()));
101 if(!aBaseObjectAttr->isInitialized()) {
102 setError("Error: Base object is not initialized.");
105 AttributePoint2DPtr aFirstPointAttr = getPointOfRefAttr(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
106 AttributePoint2DPtr aSecondPointAttr = getPointOfRefAttr(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
107 if (!aFirstPointAttr.get() || !aFirstPointAttr->isInitialized() ||
108 !aSecondPointAttr.get() || !aSecondPointAttr->isInitialized()) {
109 setError("Error: Sub-shape is not initialized.");
113 // Wait all constraints being created, then send update events
114 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
115 bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
117 Events_Loop::loop()->setFlushed(anUpdateEvent, false);
120 FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
121 std::string aFeatureKind = aBaseFeature->getKind();
122 FeaturePtr aSplitFeature, aBeforeFeature, anAfterFeature;
123 /*if (aFeatureKind == SketchPlugin_Line::ID())
124 splitLine(aSplitFeature, anOtherFeatures);
125 else*/ if (aFeatureKind == SketchPlugin_Arc::ID())
126 splitArc(aSplitFeature, aBeforeFeature, anAfterFeature);
127 /*if (aFeatureKind == SketchPlugin_Circle::ID())
128 splitCircle(aSplitFeature, anOtherFeatures);
129 FeaturePtr aSplitFeature;
130 std::set<FeaturePtr> anOtherFeatures;*/
132 // Send events to update the sub-features by the solver.
133 if(isUpdateFlushed) {
134 Events_Loop::loop()->setFlushed(anUpdateEvent, true);
138 void SketchPlugin_ConstraintSplit::attributeChanged(const std::string& theID)
140 /* if(theID == SketchPlugin_Constraint::ENTITY_A()) {
141 if(myListOfPointsChangedInCode) {
148 // Clear list of new points.
151 // Get list of points for fillets and current radius.
152 AttributeRefAttrListPtr aRefListOfFilletPoints = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
153 data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
154 AttributeDoublePtr aRadiusAttribute = real(VALUE());
155 int aListSize = aRefListOfFilletPoints->size();
156 if(aListSize == 0 && !myRadiusChangedByUser) {
157 // If list is empty reset radius to zero (if it was not changed by user).
158 myRadiusChangedInCode = true;
159 aRadiusAttribute->setValue(0);
160 myRadiusChangedInCode = false;
164 // Iterate over points to get base lines an calculate radius for fillets.
165 double aMinimumRadius = 0;
166 std::list<std::pair<ObjectPtr, AttributePtr>> aSelectedPointsList = aRefListOfFilletPoints->list();
167 std::list<std::pair<ObjectPtr, AttributePtr>>::iterator anIter = aSelectedPointsList.begin();
168 std::set<AttributePtr> aPointsToSkeep;
169 for(int anIndex = 0; anIndex < aListSize; anIndex++, anIter++) {
170 AttributePtr aFilletPointAttr = (*anIter).second;
171 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2D =
172 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFilletPointAttr);
173 if(!aFilletPoint2D.get()) {
175 setError("Error: One of the selected points is invalid.");
179 // If point or coincident point is already in list remove it from attribute.
180 if(aPointsToSkeep.find(aFilletPointAttr) != aPointsToSkeep.end()) {
181 myListOfPointsChangedInCode = true;
182 aRefListOfFilletPoints->remove(aFilletPointAttr);
183 myListOfPointsChangedInCode = false;
187 // Obtain constraint coincidence for the fillet point.
188 FeaturePtr aConstraintCoincidence;
189 const std::set<AttributePtr>& aRefsList = aFilletPointAttr->owner()->data()->refsToMe();
190 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
191 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
192 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
193 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
194 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
195 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
196 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
197 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
198 if(anAttrRefA.get()) {
199 AttributePtr anAttrA = anAttrRefA->attr();
200 if(aFilletPointAttr == anAttrA) {
201 aConstraintCoincidence = aConstrFeature;
205 if(anAttrRefB.get()) {
206 AttributePtr anAttrB = anAttrRefB->attr();
207 if(aFilletPointAttr == anAttrB) {
208 aConstraintCoincidence = aConstrFeature;
215 if(!aConstraintCoincidence.get()) {
217 setError("Error: No coincident edges at one of the selected points.");
221 // Get coincides from constraint.
222 std::set<FeaturePtr> aCoincides;
225 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
226 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
228 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
229 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
232 // Remove points from set of coincides. Also get all attributes which is equal to this point to exclude it.
233 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
234 std::set<FeaturePtr> aNewSetOfCoincides;
235 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
236 std::string aFeatureKind = (*anIt)->getKind();
237 if(aFeatureKind == SketchPlugin_Point::ID()) {
238 AttributePtr anAttr = (*anIt)->attribute(SketchPlugin_Point::COORD_ID());
239 std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
240 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr);
241 if(aPoint2D.get() && aFilletPnt2d->isEqual(aPoint2D->pnt())) {
242 aPointsToSkeep.insert(anAttr);
244 } else if(aFeatureKind == SketchPlugin_Line::ID()) {
245 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Line::START_ID());
246 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
247 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
248 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
249 aPointsToSkeep.insert(anAttrStart);
251 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Line::END_ID());
252 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
253 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
254 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
255 aPointsToSkeep.insert(anAttrEnd);
257 aNewSetOfCoincides.insert(*anIt);
258 } else if(aFeatureKind == SketchPlugin_Arc::ID() ) {
259 AttributePtr anAttrCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
260 std::shared_ptr<GeomDataAPI_Point2D> aPointCenter2D =
261 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrCenter);
262 if(aPointCenter2D.get() && aFilletPnt2d->isEqual(aPointCenter2D->pnt())) {
263 aPointsToSkeep.insert(anAttrCenter);
266 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Arc::START_ID());
267 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
268 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
269 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
270 aPointsToSkeep.insert(anAttrStart);
272 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Arc::END_ID());
273 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
274 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
275 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
276 aPointsToSkeep.insert(anAttrEnd);
278 aNewSetOfCoincides.insert(*anIt);
281 aCoincides = aNewSetOfCoincides;
283 // If we still have more than two coincides remove auxilary entities from set of coincides.
284 if(aCoincides.size() > 2) {
285 aNewSetOfCoincides.clear();
286 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
287 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
288 aNewSetOfCoincides.insert(*anIt);
291 aCoincides = aNewSetOfCoincides;
294 if(aCoincides.size() != 2) {
296 setError("Error: One of the selected points does not have two suitable edges for fillet.");
300 // Store base point for fillet.
301 aPointsToSkeep.insert(aFilletPointAttr);
302 myNewPoints.insert(aFilletPointAttr);
304 // Get base lines for fillet.
305 FeaturePtr anOldFeatureA, anOldFeatureB;
306 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
307 anOldFeatureA = *aLinesIt++;
308 anOldFeatureB = *aLinesIt;
310 // Getting radius value if it was not changed by user.
311 if(!myRadiusChangedByUser) {
312 // Getting points located at 1/3 of edge length from fillet point.
313 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
314 std::shared_ptr<GeomAPI_Pnt2d> aPntA, aPntB;
315 getPointOnEdge(anOldFeatureA, aFilletPnt2d, aPntA);
316 getPointOnEdge(anOldFeatureB, aFilletPnt2d, aPntB);
318 /// Getting distances.
319 double aDistanceA = getProjectionDistance(anOldFeatureB, aPntA);
320 double aDistanceB = getProjectionDistance(anOldFeatureA, aPntB);
321 double aRadius = aDistanceA < aDistanceB ? aDistanceA / 2.0 : aDistanceB / 2.0;
322 aMinimumRadius = aMinimumRadius == 0 ? aRadius : aRadius < aMinimumRadius ? aRadius : aMinimumRadius;
326 // Set new default radius if it was not changed by user.
327 if(!myRadiusChangedByUser) {
328 myRadiusChangedInCode = true;
329 aRadiusAttribute->setValue(aMinimumRadius);
330 myRadiusChangedInCode = false;
333 } else if(theID == SketchPlugin_Constraint::VALUE()) {
334 if(myRadiusInitialized && !myRadiusChangedInCode) {
335 myRadiusChangedByUser = true;
337 if(!myRadiusInitialized) {
338 myRadiusInitialized = true;
344 //AISObjectPtr SketchPlugin_ConstraintSplit::getAISObject(AISObjectPtr thePrevious)
347 // return thePrevious;
349 // AISObjectPtr anAIS = thePrevious;
350 // /// TODO: Equal constraint presentation should be put here
354 bool SketchPlugin_ConstraintSplit::isMacro() const
359 //void SketchPlugin_ConstraintSplit::clearResults()
361 ///* // Clear auxiliary flag on initial objects.
362 // for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
363 // aPointsIter != myPointFeaturesMap.end();) {
364 // const FilletFeatures& aFilletFeatures = aPointsIter->second;
365 // std::list<std::pair<FeaturePtr, bool>>::const_iterator aFeatureIt;
366 // for(aFeatureIt = aFilletFeatures.baseEdgesState.cbegin();
367 // aFeatureIt != aFilletFeatures.baseEdgesState.cend();
369 // aFeatureIt->first->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(aFeatureIt->second);
374 // // And remove all produced features.
375 // DocumentPtr aDoc = sketch()->document();
376 // for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
377 // aPointsIter != myPointFeaturesMap.end();) {
378 // // Remove all produced constraints.
379 // const FilletFeatures& aFilletFeatures = aPointsIter->second;
380 // std::list<FeaturePtr>::const_iterator aFeatureIt;
381 // for(aFeatureIt = aFilletFeatures.resultConstraints.cbegin();
382 // aFeatureIt != aFilletFeatures.resultConstraints.cend();
384 // aDoc->removeFeature(*aFeatureIt);
387 // // Remove all result edges.
388 // for(aFeatureIt = aFilletFeatures.resultEdges.cbegin();
389 // aFeatureIt != aFilletFeatures.resultEdges.cend();
391 // aDoc->removeFeature(*aFeatureIt);
394 // // Remove point from map.
395 // myPointFeaturesMap.erase(aPointsIter++);
401 //// ========= Auxiliary functions =================
402 //void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
403 // FeaturePtr theFeature, const std::string& theFeatureAttribute)
405 // std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
406 // theNewArc->attribute(theNewArcAttribute))->pnt();
407 // std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
408 // theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
411 /*/// \brief Find intersections of lines shifted along normal direction
412 void possibleFilletCenterLineLine(
413 std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
414 std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
415 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
417 std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
418 std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
419 std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
420 double aDet = theDirA->cross(theDirB);
421 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
422 aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
423 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
424 aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
425 double aVX = aDirAT->xy()->dot(aPntA);
426 double aVY = aDirBT->xy()->dot(aPntB);
427 std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
428 (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
429 (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
430 theCenters.push_back(aPoint);
435 /// \brief Find intersections of line shifted along normal direction in both sides
436 /// and a circle with extended radius
437 void possibleFilletCenterLineArc(
438 std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
439 std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
440 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
442 std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
443 std::shared_ptr<GeomAPI_XY> aPnt;
444 double aDirNorm2 = theDirLine->dot(theDirLine);
446 double aDirX = theDirLine->x();
447 double aDirX2 = theDirLine->x() * theDirLine->x();
448 double aDirY2 = theDirLine->y() * theDirLine->y();
449 double aDirXY = theDirLine->x() * theDirLine->y();
450 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
451 aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
452 double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
453 double aCoeff2 = aCoeff * aCoeff;
454 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
455 aRad = theRadiusArc + aStepB * theRadius;
456 double aD = aRad * aRad * aDirNorm2 - aCoeff2;
459 double aDs = sqrt(aD);
460 double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
461 double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
462 double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
463 aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
464 double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
465 aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
467 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
468 theCenters.push_back(aPoint1);
469 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
470 theCenters.push_back(aPoint2);
475 /// \brief Find intersections of two circles with extended radii
476 void possibleFilletCenterArcArc(
477 std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
478 std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
479 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
481 std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
482 double aCenterDist2 = aCenterDir->dot(aCenterDir);
483 double aCenterDist = sqrt(aCenterDist2);
486 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
487 aRadA = theRadiusA + aStepA * theRadius;
488 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
489 aRadB = theRadiusB + aStepB * theRadius;
490 if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
491 continue; // there is no intersections
493 double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
494 double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
496 double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
497 double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
499 double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
500 double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
502 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
503 theCenters.push_back(aPoint1);
504 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
505 theCenters.push_back(aPoint2);
510 void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
511 double theRadius, bool theNotInversed[2],
512 std::shared_ptr<GeomAPI_XY>& theCenter,
513 std::shared_ptr<GeomAPI_XY>& theTangentA,
514 std::shared_ptr<GeomAPI_XY>& theTangentB)
516 static const int aNbFeatures = 2;
517 FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
518 std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
519 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
521 for (int i = 0; i < aNbFeatures; i++) {
522 if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
523 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
524 aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
525 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
526 aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
527 } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
528 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
529 aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
530 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
531 aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
532 aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
533 aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
536 aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
537 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
538 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
539 aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
540 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
541 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
544 if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
545 theFeatureB->getKind() == SketchPlugin_Line::ID()) {
546 std::shared_ptr<GeomAPI_Dir2d> aDir[2];
547 std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
548 for (int i = 0; i < aNbFeatures; i++) {
549 aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
550 aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
553 // get and filter possible centers
554 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
555 possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
557 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
558 for (; anIt != aSuspectCenters.end(); anIt++) {
559 aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
560 theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
561 if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
562 continue; // incorrect position
563 aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
564 theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
565 if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
566 continue; // incorrect position
567 // the center is found, stop searching
571 } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
572 theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
573 (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
574 theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
575 int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
576 double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
577 std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
578 new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
579 std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
580 new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
582 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
583 new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
584 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
585 new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
586 double anArcAngle = aEndArcDir->angle(aStartArcDir);
588 // get possible centers and filter them
589 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
590 possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
592 // the line is forward into the arc
593 double innerArc = aCenter[1-aLineInd]->decreased(aStart[aLineInd])->dot(aDirLine->xy());
594 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
595 // The possible centers are ranged by their positions.
596 // If the point is not satisfy one of criteria, the weight is decreased with penalty.
598 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
599 for (; anIt != aSuspectCenters.end(); anIt++) {
601 aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
602 aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
603 // Check the point is placed on the correct arc (penalty if false)
604 if (aCenter[1-aLineInd]->distance(*anIt) * innerArc > anArcRadius * innerArc)
606 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
607 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
608 double aCurAngle = aCurDir->angle(aStartArcDir);
609 if (anArcAngle < 0.0) aCurAngle *= -1.0;
610 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
612 if (aWeight > aBestWeight)
613 aBestWeight = aWeight;
614 else if (aWeight < aBestWeight ||
615 aStart[aLineInd]->distance(*anIt) >
616 aStart[aLineInd]->distance(theCenter)) // <-- take closer point
618 // the center is found, stop searching
620 anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
621 if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
622 theTangentA = aLineTgPoint;
623 theTangentB = anArcTgPoint;
625 theTangentA = anArcTgPoint;
626 theTangentB = aLineTgPoint;
630 } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
631 theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
632 double anArcRadius[aNbFeatures];
633 double anArcAngle[aNbFeatures];
634 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
635 for (int i = 0; i < aNbFeatures; i++) {
636 anArcRadius[i] = aStart[i]->distance(aCenter[i]);
637 aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
638 new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
639 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
640 new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
641 anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
644 // get and filter possible centers
645 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
646 possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
648 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
649 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
650 for (; anIt != aSuspectCenters.end(); anIt++) {
651 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
652 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
653 double aCurAngle = aCurDir->angle(aStartArcDir[0]);
654 if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
655 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
656 continue; // incorrect position
657 theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
659 aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
660 aCurAngle = aCurDir->angle(aStartArcDir[1]);
661 if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
662 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
663 continue; // incorrect position
664 theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
666 // the center is found, stop searching
673 void getPointOnEdge(const FeaturePtr theFeature,
674 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
675 std::shared_ptr<GeomAPI_Pnt2d>& thePoint) {
676 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
677 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
678 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
679 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
680 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
681 if(aPntStart->distance(theFilletPoint) > 1.e-7) {
682 aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
683 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
684 aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
685 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
687 thePoint.reset( new GeomAPI_Pnt2d(aPntStart->xy()->added( aPntEnd->xy()->decreased( aPntStart->xy() )->multiplied(1.0 / 3.0) ) ) );
689 std::shared_ptr<GeomAPI_Pnt2d> aPntTemp;
690 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
691 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
692 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
693 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
694 if(theFeature->attribute(SketchPlugin_Arc::INVERSED_ID())) {
695 aPntTemp = aPntStart;
699 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
700 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
701 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
702 double aStartParameter(0), anEndParameter(0);
703 aCirc->parameter(aPntStart, paramTolerance, aStartParameter);
704 aCirc->parameter(aPntEnd, paramTolerance, anEndParameter);
705 if(aPntStart->distance(theFilletPoint) > tolerance) {
706 double aTmpParameter = aStartParameter;
707 aStartParameter = anEndParameter;
708 anEndParameter = aTmpParameter;
710 double aPntParameter = aStartParameter + (anEndParameter - aStartParameter) / 3.0;
711 aCirc->D0(aPntParameter, thePoint);
715 double getProjectionDistance(const FeaturePtr theFeature,
716 const std::shared_ptr<GeomAPI_Pnt2d> thePoint)
718 std::shared_ptr<GeomAPI_Pnt2d> aProjectPnt;
719 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
720 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
721 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
722 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
723 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
724 std::shared_ptr<GeomAPI_Lin2d> aLin(new GeomAPI_Lin2d(aPntStart, aPntEnd));
725 aProjectPnt = aLin->project(thePoint);
727 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
728 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
729 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
730 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
731 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
732 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
733 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
734 aProjectPnt = aCirc->project(thePoint);
736 if(aProjectPnt.get()) {
737 return aProjectPnt->distance(thePoint);
742 std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence)
744 std::set<FeaturePtr> aCoincides;
746 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt = SketchPlugin_Tools::getCoincidencePoint(theConstraintCoincidence);
748 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
749 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
751 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
752 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
755 // Remove points from set of coincides.
756 std::set<FeaturePtr> aNewSetOfCoincides;
757 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
758 if((*anIt)->getKind() == SketchPlugin_Line::ID()) {
759 aNewSetOfCoincides.insert(*anIt);
760 } else if((*anIt)->getKind() == SketchPlugin_Arc::ID()) {
761 AttributePtr anAttrCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
762 std::shared_ptr<GeomDataAPI_Point2D> aPointCenter2D =
763 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrCenter);
764 if(aPointCenter2D.get() && aFilletPnt->isEqual(aPointCenter2D->pnt())) {
767 aNewSetOfCoincides.insert(*anIt);
770 aCoincides = aNewSetOfCoincides;
772 // If we still have more than two coincides remove auxilary entities from set of coincides.
773 if(aCoincides.size() > 2) {
774 aNewSetOfCoincides.clear();
775 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
776 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
777 aNewSetOfCoincides.insert(*anIt);
780 aCoincides = aNewSetOfCoincides;
787 std::shared_ptr<GeomDataAPI_Point2D> SketchPlugin_ConstraintSplit::getPointOfRefAttr(
788 const AttributePtr& theAttribute)
790 AttributePoint2DPtr aPointAttribute;
792 if (theAttribute->attributeType() == ModelAPI_AttributeRefAttr::typeId()) {
793 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
794 if (aRefAttr.get() && aRefAttr->isInitialized()) {
795 AttributePtr anAttribute = aRefAttr->attr();
796 if (anAttribute.get() && anAttribute->attributeType() == GeomDataAPI_Point2D::typeId())
797 aPointAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttribute);
800 return aPointAttribute;
803 void SketchPlugin_ConstraintSplit::getFeaturePoints(AttributePoint2DPtr& theStartPointAttr,
804 AttributePoint2DPtr& theEndPointAttr)
806 AttributePoint2DPtr aPointAttribute;
808 AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
809 data()->attribute(SketchPlugin_Constraint::VALUE()));
810 FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
812 std::string aFeatureKind = aBaseFeature->getKind();
813 std::string aStartAttributeName, anEndAttributeName;
814 if (aFeatureKind == SketchPlugin_Line::ID()) {
815 aStartAttributeName = SketchPlugin_Line::START_ID();
816 anEndAttributeName = SketchPlugin_Line::END_ID();
818 else if (aFeatureKind == SketchPlugin_Arc::ID()) {
819 aStartAttributeName = SketchPlugin_Arc::START_ID();
820 anEndAttributeName = SketchPlugin_Arc::END_ID();
822 if (!aStartAttributeName.empty() && !anEndAttributeName.empty()) {
823 theStartPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
824 aBaseFeature->attribute(aStartAttributeName));
825 theEndPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
826 aBaseFeature->attribute(anEndAttributeName));
830 void SketchPlugin_ConstraintSplit::splitArc(FeaturePtr& theSplitFeature,
831 FeaturePtr& theBeforeFeature,
832 FeaturePtr& theAfterFeature)
834 SketchPlugin_Sketch* aSketch = sketch();
838 AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
839 data()->attribute(SketchPlugin_Constraint::VALUE()));
840 FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
841 std::string aFeatureKind = aBaseFeature->getKind();
842 if (aFeatureKind != SketchPlugin_Arc::ID())
845 AttributePoint2DPtr aFirstPointAttr = getPointOfRefAttr(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
846 AttributePoint2DPtr aSecondPointAttr = getPointOfRefAttr(data()->attribute(SketchPlugin_Constraint::ENTITY_B()));
847 AttributePoint2DPtr aStartPointAttr, anEndPointAttr;
848 getFeaturePoints(aStartPointAttr, anEndPointAttr);
849 if (!aStartPointAttr.get() && !anEndPointAttr.get()) {
850 setError("Error: Feature has no start and end points.");
854 arrangePoints(aStartPointAttr, anEndPointAttr, aFirstPointAttr, aSecondPointAttr);
857 theSplitFeature = createArcFeature(aBaseFeature, aFirstPointAttr, aSecondPointAttr);
858 static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
859 aFactory->validate(theSplitFeature); // need to be validated to update the "Apply" state if not previewed
860 std::string anError = theSplitFeature->error();
862 if (!aStartPointAttr->pnt()->isEqual(aFirstPointAttr->pnt())) {
863 theBeforeFeature = aBaseFeature; ///< use base feature to store all constraints here
864 /// move end arc point to start of split
865 fillAttribute(theBeforeFeature->attribute(SketchPlugin_Arc::END_ID()), aFirstPointAttr);
866 createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
867 theBeforeFeature->attribute(SketchPlugin_Arc::END_ID()),
868 theSplitFeature->attribute(SketchPlugin_Arc::START_ID()));
871 if (!aSecondPointAttr->pnt()->isEqual(anEndPointAttr->pnt())) {
872 if (!theBeforeFeature) {
873 theAfterFeature = aBaseFeature; ///< use base feature to store all constraints here
874 fillAttribute(theAfterFeature->attribute(SketchPlugin_Arc::START_ID()), aSecondPointAttr);
877 theAfterFeature = createArcFeature(aBaseFeature, aSecondPointAttr, anEndPointAttr);
879 createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
880 theSplitFeature->attribute(SketchPlugin_Arc::END_ID()),
881 theAfterFeature->attribute(SketchPlugin_Arc::START_ID()));
884 // additional constraints between split and base features
885 createConstraint(SketchPlugin_ConstraintEqual::ID(), getFeatureResult(aBaseFeature),
886 getFeatureResult(theSplitFeature));
887 createConstraint(SketchPlugin_ConstraintTangent::ID(), getFeatureResult(theSplitFeature),
888 getFeatureResult(aBaseFeature));
889 if (theAfterFeature.get()) {
890 createConstraint(SketchPlugin_ConstraintEqual::ID(), getFeatureResult(aBaseFeature),
891 getFeatureResult(theAfterFeature));
892 createConstraint(SketchPlugin_ConstraintTangent::ID(), getFeatureResult(theSplitFeature),
893 getFeatureResult(theAfterFeature));
897 void SketchPlugin_ConstraintSplit::arrangePoints(const AttributePoint2DPtr& theStartPointAttr,
898 const AttributePoint2DPtr& theEndPointAttr,
899 AttributePoint2DPtr& theFirstPointAttr,
900 AttributePoint2DPtr& theLastPointAttr)
902 /// if first point is closer to last point, wrap first and last values
903 if (theStartPointAttr->pnt()->distance(theFirstPointAttr->pnt()) >
904 theEndPointAttr->pnt()->distance(theLastPointAttr->pnt())) {
905 AttributePoint2DPtr aTmpPoint = theFirstPointAttr;
906 theFirstPointAttr = theLastPointAttr;
907 theLastPointAttr = aTmpPoint;
911 void SketchPlugin_ConstraintSplit::fillAttribute(const AttributePtr& theModifiedAttribute,
912 const AttributePtr& theSourceAttribute)
914 AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
915 theModifiedAttribute);
916 AttributePoint2DPtr aSourceAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
919 if (aModifiedAttribute.get() && aSourceAttribute.get())
920 aSourceAttribute->setValue(aModifiedAttribute->pnt());
923 FeaturePtr SketchPlugin_ConstraintSplit::createArcFeature(const FeaturePtr& theBaseFeature,
924 const AttributePtr& theFirstPointAttr,
925 const AttributePtr& theSecondPointAttr)
928 SketchPlugin_Sketch* aSketch = sketch();
929 if (!aSketch || !theBaseFeature.get())
932 aFeature = aSketch->addFeature(theBaseFeature->getKind());
933 // update fillet arc: make the arc correct for sure, so, it is not needed to process the "attribute updated"
934 // by arc; moreover, it may cause cyclicity in hte mechanism of updater
935 aFeature->data()->blockSendAttributeUpdated(true);
937 aFeature->string(SketchPlugin_Arc::ARC_TYPE())->setValue(
938 SketchPlugin_Arc::ARC_TYPE_CENTER_START_END());
939 fillAttribute(aFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
940 theBaseFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
941 fillAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), theFirstPointAttr);
942 fillAttribute(aFeature->attribute(SketchPlugin_Arc::END_ID()), theSecondPointAttr);
943 aFeature->data()->blockSendAttributeUpdated(false);
949 void SketchPlugin_ConstraintSplit::createConstraint(const std::string& theConstraintId,
950 const AttributePtr& theFirstAttribute,
951 const AttributePtr& theSecondAttribute)
953 FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
954 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
955 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
956 aRefAttr->setAttr(theFirstAttribute);
958 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
959 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
960 aRefAttr->setAttr(theSecondAttribute);
963 void SketchPlugin_ConstraintSplit::createConstraint(const std::string& theConstraintId,
964 const ObjectPtr& theFirstObject,
965 const ObjectPtr& theSecondObject)
967 FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
968 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
969 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
970 aRefAttr->setObject(theFirstObject);
972 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
973 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
974 aRefAttr->setObject(theSecondObject);
977 std::shared_ptr<ModelAPI_Object> SketchPlugin_ConstraintSplit::getFeatureResult(
978 const std::shared_ptr<ModelAPI_Feature>& theFeature)
980 std::shared_ptr<ModelAPI_Object> aResult;
982 std::string aFeatureKind = theFeature->getKind();
983 if (aFeatureKind == SketchPlugin_Line::ID())
984 aResult = theFeature->firstResult();
985 else if (aFeatureKind == SketchPlugin_Arc::ID())
986 aResult = theFeature->lastResult();
987 else if (aFeatureKind == SketchPlugin_Circle::ID())
988 aResult = theFeature->lastResult();