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_AttributeRefList.h>
18 //#include <ModelAPI_AttributeRefAttrList.h>
19 //#include <ModelAPI_Data.h>
20 //#include <ModelAPI_Events.h>
21 //#include <ModelAPI_Session.h>
22 //#include <ModelAPI_Validator.h>
24 //#include <SketchPlugin_Arc.h>
25 //#include <SketchPlugin_Line.h>
26 //#include <SketchPlugin_Point.h>
27 //#include <SketchPlugin_Sketch.h>
28 //#include <SketchPlugin_ConstraintCoincidence.h>
29 //#include <SketchPlugin_ConstraintTangent.h>
30 //#include <SketchPlugin_ConstraintRadius.h>
31 //#include <SketchPlugin_Tools.h>
33 //#include <Events_Loop.h>
37 //const double tolerance = 1.e-7;
38 //const double paramTolerance = 1.e-4;
40 ///// \brief Attract specified point on theNewArc to the attribute of theFeature
41 //static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
42 // FeaturePtr theFeature, const std::string& theFeatureAttribute);
44 ///// \brief Calculates center of fillet arc and coordinates of tangency points
45 //static void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
46 // double theRadius, bool theNotInversed[2],
47 // std::shared_ptr<GeomAPI_XY>& theCenter,
48 // std::shared_ptr<GeomAPI_XY>& theTangentA,
49 // std::shared_ptr<GeomAPI_XY>& theTangentB);
51 ///// Get point on 1/3 length of edge from fillet point
52 //static void getPointOnEdge(const FeaturePtr theFeature,
53 // const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
54 // std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
56 ///// Get distance from point to feature
57 //static double getProjectionDistance(const FeaturePtr theFeature,
58 // const std::shared_ptr<GeomAPI_Pnt2d> thePoint);
60 ///// Get coincide edges for fillet
61 //static std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence);
63 SketchPlugin_ConstraintSplit::SketchPlugin_ConstraintSplit()
64 //: myListOfPointsChangedInCode(false),
65 // myRadiusChangedByUser(false),
66 // myRadiusChangedInCode(false),
67 // myRadiusInitialized(false)
71 void SketchPlugin_ConstraintSplit::initAttributes()
73 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeReference::typeId());
74 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), GeomDataAPI_Point2D::typeId());
75 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), GeomDataAPI_Point2D::typeId());
77 //data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
78 //data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttrList::typeId());
81 void SketchPlugin_ConstraintSplit::execute()
83 /* std::shared_ptr<ModelAPI_Data> aData = data();
85 // Check the base objects are initialized.
86 AttributeRefAttrListPtr aPointsRefList = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
87 aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
88 if(!aPointsRefList->isInitialized()) {
89 setError("Error: List of points is not initialized.");
94 double aFilletRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
95 aData->attribute(SketchPlugin_Constraint::VALUE()))->value();
97 // Wait all constraints being created, then send update events
98 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
99 bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
101 Events_Loop::loop()->setFlushed(anUpdateEvent, false);
103 for(std::set<AttributePtr>::iterator aPointsIter = myNewPoints.begin();
104 aPointsIter != myNewPoints.end();
106 AttributePtr aPointAttr = *aPointsIter;
107 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2d = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aPointAttr);
108 if(!aFilletPoint2d.get()) {
109 setError("Error: One of the selected points is empty.");
112 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2d->pnt();
114 // Obtain base lines for fillet.
115 bool anIsNeedNewObjects = true;
116 FilletFeatures aFilletFeatures;
117 std::map<AttributePtr, FilletFeatures>::iterator aPrevPointsIter = myPointFeaturesMap.find(aPointAttr);
118 if(aPrevPointsIter != myPointFeaturesMap.end()) {
119 anIsNeedNewObjects = false;
120 aFilletFeatures = aPrevPointsIter->second;
122 FeaturePtr aBaseEdgeA, aBaseEdgeB;
123 if(!anIsNeedNewObjects) {
124 aBaseEdgeA = aFilletFeatures.baseEdgesState.front().first;
125 aBaseEdgeB = aFilletFeatures.baseEdgesState.back().first;
127 // Obtain constraint coincidence for the fillet point.
128 FeaturePtr aConstraintCoincidence;
129 const std::set<AttributePtr>& aRefsList = aFilletPoint2d->owner()->data()->refsToMe();
130 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
131 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
132 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
133 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
134 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
135 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
136 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
137 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
138 if(anAttrRefA.get() && !anAttrRefA->isObject()) {
139 AttributePtr anAttrA = anAttrRefA->attr();
140 if(aFilletPoint2d == anAttrA) {
141 aConstraintCoincidence = aConstrFeature;
145 if(anAttrRefB.get() && !anAttrRefB->isObject()) {
146 AttributePtr anAttrB = anAttrRefB->attr();
147 if(aFilletPoint2d == anAttrB) {
148 aConstraintCoincidence = aConstrFeature;
155 if(!aConstraintCoincidence.get()) {
156 setError("Error: No coincident edges at one of the selected points.");
160 // Get coincide edges.
161 std::set<FeaturePtr> aCoincides = getCoincides(aConstraintCoincidence);
162 if(aCoincides.size() != 2) {
163 setError("Error: One of the selected points does not have two suitable edges for fillet.");
167 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
168 aBaseEdgeA = *aLinesIt++;
169 aBaseEdgeB = *aLinesIt;
171 std::pair<FeaturePtr, bool> aBasePairA = std::make_pair(aBaseEdgeA, aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value());
172 std::pair<FeaturePtr, bool> aBasePairB = std::make_pair(aBaseEdgeB, aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value());
173 aFilletFeatures.baseEdgesState.push_back(aBasePairA);
174 aFilletFeatures.baseEdgesState.push_back(aBasePairB);
177 if(!aBaseEdgeA.get() || !aBaseEdgeB.get()) {
178 setError("Error: One of the base edges is empty.");
182 // Create new edges and arc if needed.
183 FeaturePtr aResultEdgeA, aResultEdgeB, aResultArc;
184 if(!anIsNeedNewObjects) {
185 // Obtain features from the list.
186 std::list<FeaturePtr>::iterator aResultEdgesIt = aFilletFeatures.resultEdges.begin();
187 aResultEdgeA = *aResultEdgesIt++;
188 aResultEdgeB = *aResultEdgesIt++;
189 aResultArc = *aResultEdgesIt;
191 // Copy edges and create arc.
192 aResultEdgeA = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeA, sketch());
193 aResultEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
194 aResultEdgeB = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeB, sketch());
195 aResultEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
196 aResultArc = sketch()->addFeature(SketchPlugin_Arc::ID());
198 aFilletFeatures.resultEdges.push_back(aResultEdgeA);
199 aFilletFeatures.resultEdges.push_back(aResultEdgeB);
200 aFilletFeatures.resultEdges.push_back(aResultArc);
203 // Calculate arc attributes
204 static const int aNbFeatures = 2;
205 FeaturePtr aBaseFeatures[aNbFeatures] = {aBaseEdgeA, aBaseEdgeB};
206 FeaturePtr aResultFeatures[aNbFeatures] = {aResultEdgeA, aResultEdgeB};
207 std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures]; // tangent directions of the features in coincident point
208 bool isStart[aNbFeatures]; // indicates which point the features share
209 std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2]; // first pair of points relate to first feature, second pair - to second
210 std::string aFeatAttributes[aNbFeatures * 2]; // attributes of features
211 for (int i = 0; i < aNbFeatures; i++) {
212 std::string aStartAttr, aEndAttr;
213 if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
214 aStartAttr = SketchPlugin_Line::START_ID();
215 aEndAttr = SketchPlugin_Line::END_ID();
216 } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
217 aStartAttr = SketchPlugin_Arc::START_ID();
218 aEndAttr = SketchPlugin_Arc::END_ID();
219 } else { // wrong argument
220 setError("Error: One of the points has wrong coincide feature");
223 aFeatAttributes[2*i] = aStartAttr;
224 aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
225 aBaseFeatures[i]->attribute(aStartAttr))->pnt();
226 aFeatAttributes[2*i+1] = aEndAttr;
227 aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
228 aBaseFeatures[i]->attribute(aEndAttr))->pnt();
230 for (int aFeatInd = 0; aFeatInd < aNbFeatures; aFeatInd++) {
231 for (int j = 0; j < 2; j++) // loop on start-end of each feature
232 if (aStartEndPnt[aFeatInd * aNbFeatures + j]->distance(aFilletPnt2d) < 1.e-10) {
233 isStart[aFeatInd] = (j==0);
237 // tangent directions of the features
238 for (int i = 0; i < aNbFeatures; i++) {
239 std::shared_ptr<GeomAPI_XY> aDir;
240 if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
241 aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
243 aDir = aDir->multiplied(-1.0);
244 } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
245 std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
246 aResultFeatures[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
247 aDir = isStart[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
248 aDir = aDir->decreased(aCenterPoint->xy());
250 double x = aDir->x();
251 double y = aDir->y();
254 if (isStart[i] == std::dynamic_pointer_cast<SketchPlugin_Arc>(aBaseFeatures[i])->isReversed())
255 aDir = aDir->multiplied(-1.0);
257 aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
260 // By default, the start point of fillet arc is connected to FeatureA,
261 // and the end point - to FeatureB. But when the angle between TangentDirA and
262 // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
263 double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A), where A and B - angles between corresponding tanget direction and the X axis
264 bool isReversed = cosBA > 0.0;
266 // Calculate fillet arc parameters
267 std::shared_ptr<GeomAPI_XY> aCenter, aTangentPntA, aTangentPntB;
268 calculateFilletCenter(aBaseEdgeA, aBaseEdgeB, aFilletRadius, isStart, aCenter, aTangentPntA, aTangentPntB);
269 if(!aCenter.get() || !aTangentPntA.get() || !aTangentPntB.get()) {
270 setError("Can not create fillet with the specified parameters.");
274 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
275 aResultEdgeA->attribute(aFeatAttributes[isStart[0] ? 0 : 1]))->setValue(aTangentPntA->x(), aTangentPntA->y());
276 aResultEdgeA->execute();
277 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
278 aResultEdgeB->attribute(aFeatAttributes[2 + (isStart[1] ? 0 : 1)]))->setValue(aTangentPntB->x(), aTangentPntB->y());
279 aResultEdgeB->execute();
280 // update fillet arc: make the arc correct for sure, so, it is not needed to process the "attribute updated"
281 // by arc; moreover, it may cause cyclicity in hte mechanism of updater
282 aResultArc->data()->blockSendAttributeUpdated(true);
283 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
284 aResultArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(aCenter->x(), aCenter->y());
286 std::shared_ptr<GeomAPI_XY> aTmp = aTangentPntA;
287 aTangentPntA = aTangentPntB;
290 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
291 aResultArc->attribute(SketchPlugin_Arc::START_ID()));
292 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
293 aResultArc->attribute(SketchPlugin_Arc::END_ID()));
294 if(aStartPoint->isInitialized() && aEndPoint->isInitialized() &&
295 (aStartPoint->pnt()->xy()->distance(aTangentPntA) > tolerance ||
296 aEndPoint->pnt()->xy()->distance(aTangentPntB) > tolerance)) {
297 std::dynamic_pointer_cast<SketchPlugin_Arc>(aResultArc)->setReversed(false);
299 aStartPoint->setValue(aTangentPntA->x(), aTangentPntA->y());
300 aEndPoint->setValue(aTangentPntB->x(), aTangentPntB->y());
301 aResultArc->data()->blockSendAttributeUpdated(false);
302 aResultArc->execute();
304 if(anIsNeedNewObjects) {
305 // Create list of additional constraints:
306 // 1. Coincidence of boundary points of features (copied lines/arcs) and fillet arc
308 FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
309 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
310 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
311 aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::START_ID()));
312 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
313 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
314 int aFeatInd = isReversed ? 1 : 0;
315 int anAttrInd = (isReversed ? 2 : 0) + (isStart[isReversed ? 1 : 0] ? 0 : 1);
316 aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
317 recalculateAttributes(aResultArc, SketchPlugin_Arc::START_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
318 aConstraint->execute();
319 aFilletFeatures.resultConstraints.push_back(aConstraint);
320 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
322 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
323 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
324 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
325 aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::END_ID()));
326 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
327 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
328 aFeatInd = isReversed ? 0 : 1;
329 anAttrInd = (isReversed ? 0 : 2) + (isStart[isReversed ? 0 : 1] ? 0 : 1);
330 aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
331 recalculateAttributes(aResultArc, SketchPlugin_Arc::END_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
332 aConstraint->execute();
333 aFilletFeatures.resultConstraints.push_back(aConstraint);
334 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
335 // 2. Fillet arc radius
336 //aConstraint = sketch()->addFeature(SketchPlugin_ConstraintRadius::ID());
337 //aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
338 // aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
339 //aRefAttr->setObject(aNewArc->lastResult());
340 //std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
341 // aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aFilletRadius);
342 //std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
343 // aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->setValue(
344 // isStart[0] ? aStartEndPnt[0] : aStartEndPnt[1]);
345 //aConstraint->execute();
346 //myProducedFeatures.push_back(aConstraint);
347 //ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
348 // 3. Tangency of fillet arc and features
349 for (int i = 0; i < aNbFeatures; i++) {
350 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
351 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
352 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
353 aRefAttr->setObject(aResultArc->lastResult());
354 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
355 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
356 bool isArc = aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID();
357 aRefAttr->setObject(isArc ? aResultFeatures[i]->lastResult() : aResultFeatures[i]->firstResult());
358 aConstraint->execute();
359 aFilletFeatures.resultConstraints.push_back(aConstraint);
360 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
362 // 4. Coincidence of free boundaries of base and copied features
363 for (int i = 0; i < aNbFeatures; i++) {
364 anAttrInd = 2*i + (isStart[i] ? 1 : 0);
365 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
366 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
367 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
368 aRefAttr->setAttr(aBaseFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
369 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
370 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
371 aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
372 aFilletFeatures.resultConstraints.push_back(aConstraint);
374 // 4.1. Additional tangency constraints when the fillet is based on arcs.
375 // It is used to verify the created arc will be placed on a source.
376 for (int i = 0; i < aNbFeatures; ++i) {
377 if (aResultFeatures[i]->getKind() != SketchPlugin_Arc::ID())
379 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
380 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
381 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
382 aRefAttr->setObject(aBaseFeatures[i]->lastResult());
383 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
384 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
385 aRefAttr->setObject(aResultFeatures[i]->lastResult());
386 aConstraint->execute();
387 aFilletFeatures.resultConstraints.push_back(aConstraint);
388 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
390 // 5. Tangent points should be placed on the base features
391 for (int i = 0; i < aNbFeatures; i++) {
392 anAttrInd = 2*i + (isStart[i] ? 0 : 1);
393 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
394 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
395 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
396 aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
397 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
398 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
399 aRefAttr->setObject(aBaseFeatures[i]->lastResult());
400 aFilletFeatures.resultConstraints.push_back(aConstraint);
402 // make base features auxiliary
403 aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
404 aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
406 // exchange the naming IDs of newly created and old line that become auxiliary
407 sketch()->exchangeIDs(aBaseEdgeA, aResultEdgeA);
408 sketch()->exchangeIDs(aBaseEdgeB, aResultEdgeB);
410 // store point and features in the map.
411 myPointFeaturesMap[aPointAttr] = aFilletFeatures;
413 // Update radius value
414 int aNbSubs = sketch()->numberOfSubs();
415 FeaturePtr aSubFeature;
416 for (int aSub = 0; aSub < aNbSubs; aSub++) {
417 aSubFeature = sketch()->subFeature(aSub);
418 if (aSubFeature->getKind() != SketchPlugin_ConstraintRadius::ID())
420 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
421 aSubFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
422 if (!aRefAttr || !aRefAttr->isObject())
424 FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
425 if (aFeature == aResultArc) {
426 AttributeDoublePtr aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
427 aSubFeature->attribute(SketchPlugin_Constraint::VALUE()));
428 aRadius->setValue(aFilletRadius);
435 // Send events to update the sub-features by the solver.
436 if(isUpdateFlushed) {
437 Events_Loop::loop()->setFlushed(anUpdateEvent, true);
442 void SketchPlugin_ConstraintSplit::attributeChanged(const std::string& theID)
444 /* if(theID == SketchPlugin_Constraint::ENTITY_A()) {
445 if(myListOfPointsChangedInCode) {
452 // Clear list of new points.
455 // Get list of points for fillets and current radius.
456 AttributeRefAttrListPtr aRefListOfFilletPoints = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
457 data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
458 AttributeDoublePtr aRadiusAttribute = real(VALUE());
459 int aListSize = aRefListOfFilletPoints->size();
460 if(aListSize == 0 && !myRadiusChangedByUser) {
461 // If list is empty reset radius to zero (if it was not changed by user).
462 myRadiusChangedInCode = true;
463 aRadiusAttribute->setValue(0);
464 myRadiusChangedInCode = false;
468 // Iterate over points to get base lines an calculate radius for fillets.
469 double aMinimumRadius = 0;
470 std::list<std::pair<ObjectPtr, AttributePtr>> aSelectedPointsList = aRefListOfFilletPoints->list();
471 std::list<std::pair<ObjectPtr, AttributePtr>>::iterator anIter = aSelectedPointsList.begin();
472 std::set<AttributePtr> aPointsToSkeep;
473 for(int anIndex = 0; anIndex < aListSize; anIndex++, anIter++) {
474 AttributePtr aFilletPointAttr = (*anIter).second;
475 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2D =
476 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFilletPointAttr);
477 if(!aFilletPoint2D.get()) {
479 setError("Error: One of the selected points is invalid.");
483 // If point or coincident point is already in list remove it from attribute.
484 if(aPointsToSkeep.find(aFilletPointAttr) != aPointsToSkeep.end()) {
485 myListOfPointsChangedInCode = true;
486 aRefListOfFilletPoints->remove(aFilletPointAttr);
487 myListOfPointsChangedInCode = false;
491 // Obtain constraint coincidence for the fillet point.
492 FeaturePtr aConstraintCoincidence;
493 const std::set<AttributePtr>& aRefsList = aFilletPointAttr->owner()->data()->refsToMe();
494 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
495 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
496 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
497 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
498 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
499 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
500 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
501 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
502 if(anAttrRefA.get()) {
503 AttributePtr anAttrA = anAttrRefA->attr();
504 if(aFilletPointAttr == anAttrA) {
505 aConstraintCoincidence = aConstrFeature;
509 if(anAttrRefB.get()) {
510 AttributePtr anAttrB = anAttrRefB->attr();
511 if(aFilletPointAttr == anAttrB) {
512 aConstraintCoincidence = aConstrFeature;
519 if(!aConstraintCoincidence.get()) {
521 setError("Error: No coincident edges at one of the selected points.");
525 // Get coincides from constraint.
526 std::set<FeaturePtr> aCoincides;
529 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
530 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
532 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
533 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
536 // Remove points from set of coincides. Also get all attributes which is equal to this point to exclude it.
537 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
538 std::set<FeaturePtr> aNewSetOfCoincides;
539 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
540 std::string aFeatureKind = (*anIt)->getKind();
541 if(aFeatureKind == SketchPlugin_Point::ID()) {
542 AttributePtr anAttr = (*anIt)->attribute(SketchPlugin_Point::COORD_ID());
543 std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
544 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr);
545 if(aPoint2D.get() && aFilletPnt2d->isEqual(aPoint2D->pnt())) {
546 aPointsToSkeep.insert(anAttr);
548 } else if(aFeatureKind == SketchPlugin_Line::ID()) {
549 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Line::START_ID());
550 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
551 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
552 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
553 aPointsToSkeep.insert(anAttrStart);
555 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Line::END_ID());
556 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
557 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
558 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
559 aPointsToSkeep.insert(anAttrEnd);
561 aNewSetOfCoincides.insert(*anIt);
562 } else if(aFeatureKind == SketchPlugin_Arc::ID() ) {
563 AttributePtr anAttrCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
564 std::shared_ptr<GeomDataAPI_Point2D> aPointCenter2D =
565 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrCenter);
566 if(aPointCenter2D.get() && aFilletPnt2d->isEqual(aPointCenter2D->pnt())) {
567 aPointsToSkeep.insert(anAttrCenter);
570 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Arc::START_ID());
571 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
572 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
573 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
574 aPointsToSkeep.insert(anAttrStart);
576 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Arc::END_ID());
577 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
578 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
579 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
580 aPointsToSkeep.insert(anAttrEnd);
582 aNewSetOfCoincides.insert(*anIt);
585 aCoincides = aNewSetOfCoincides;
587 // If we still have more than two coincides remove auxilary entities from set of coincides.
588 if(aCoincides.size() > 2) {
589 aNewSetOfCoincides.clear();
590 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
591 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
592 aNewSetOfCoincides.insert(*anIt);
595 aCoincides = aNewSetOfCoincides;
598 if(aCoincides.size() != 2) {
600 setError("Error: One of the selected points does not have two suitable edges for fillet.");
604 // Store base point for fillet.
605 aPointsToSkeep.insert(aFilletPointAttr);
606 myNewPoints.insert(aFilletPointAttr);
608 // Get base lines for fillet.
609 FeaturePtr anOldFeatureA, anOldFeatureB;
610 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
611 anOldFeatureA = *aLinesIt++;
612 anOldFeatureB = *aLinesIt;
614 // Getting radius value if it was not changed by user.
615 if(!myRadiusChangedByUser) {
616 // Getting points located at 1/3 of edge length from fillet point.
617 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
618 std::shared_ptr<GeomAPI_Pnt2d> aPntA, aPntB;
619 getPointOnEdge(anOldFeatureA, aFilletPnt2d, aPntA);
620 getPointOnEdge(anOldFeatureB, aFilletPnt2d, aPntB);
622 /// Getting distances.
623 double aDistanceA = getProjectionDistance(anOldFeatureB, aPntA);
624 double aDistanceB = getProjectionDistance(anOldFeatureA, aPntB);
625 double aRadius = aDistanceA < aDistanceB ? aDistanceA / 2.0 : aDistanceB / 2.0;
626 aMinimumRadius = aMinimumRadius == 0 ? aRadius : aRadius < aMinimumRadius ? aRadius : aMinimumRadius;
630 // Set new default radius if it was not changed by user.
631 if(!myRadiusChangedByUser) {
632 myRadiusChangedInCode = true;
633 aRadiusAttribute->setValue(aMinimumRadius);
634 myRadiusChangedInCode = false;
637 } else if(theID == SketchPlugin_Constraint::VALUE()) {
638 if(myRadiusInitialized && !myRadiusChangedInCode) {
639 myRadiusChangedByUser = true;
641 if(!myRadiusInitialized) {
642 myRadiusInitialized = true;
648 //AISObjectPtr SketchPlugin_ConstraintSplit::getAISObject(AISObjectPtr thePrevious)
651 // return thePrevious;
653 // AISObjectPtr anAIS = thePrevious;
654 // /// TODO: Equal constraint presentation should be put here
658 bool SketchPlugin_ConstraintSplit::isMacro() const
663 //void SketchPlugin_ConstraintSplit::clearResults()
665 ///* // Clear auxiliary flag on initial objects.
666 // for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
667 // aPointsIter != myPointFeaturesMap.end();) {
668 // const FilletFeatures& aFilletFeatures = aPointsIter->second;
669 // std::list<std::pair<FeaturePtr, bool>>::const_iterator aFeatureIt;
670 // for(aFeatureIt = aFilletFeatures.baseEdgesState.cbegin();
671 // aFeatureIt != aFilletFeatures.baseEdgesState.cend();
673 // aFeatureIt->first->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(aFeatureIt->second);
678 // // And remove all produced features.
679 // DocumentPtr aDoc = sketch()->document();
680 // for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
681 // aPointsIter != myPointFeaturesMap.end();) {
682 // // Remove all produced constraints.
683 // const FilletFeatures& aFilletFeatures = aPointsIter->second;
684 // std::list<FeaturePtr>::const_iterator aFeatureIt;
685 // for(aFeatureIt = aFilletFeatures.resultConstraints.cbegin();
686 // aFeatureIt != aFilletFeatures.resultConstraints.cend();
688 // aDoc->removeFeature(*aFeatureIt);
691 // // Remove all result edges.
692 // for(aFeatureIt = aFilletFeatures.resultEdges.cbegin();
693 // aFeatureIt != aFilletFeatures.resultEdges.cend();
695 // aDoc->removeFeature(*aFeatureIt);
698 // // Remove point from map.
699 // myPointFeaturesMap.erase(aPointsIter++);
705 //// ========= Auxiliary functions =================
706 //void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
707 // FeaturePtr theFeature, const std::string& theFeatureAttribute)
709 // std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
710 // theNewArc->attribute(theNewArcAttribute))->pnt();
711 // std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
712 // theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
715 /*/// \brief Find intersections of lines shifted along normal direction
716 void possibleFilletCenterLineLine(
717 std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
718 std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
719 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
721 std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
722 std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
723 std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
724 double aDet = theDirA->cross(theDirB);
725 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
726 aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
727 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
728 aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
729 double aVX = aDirAT->xy()->dot(aPntA);
730 double aVY = aDirBT->xy()->dot(aPntB);
731 std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
732 (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
733 (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
734 theCenters.push_back(aPoint);
739 /// \brief Find intersections of line shifted along normal direction in both sides
740 /// and a circle with extended radius
741 void possibleFilletCenterLineArc(
742 std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
743 std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
744 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
746 std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
747 std::shared_ptr<GeomAPI_XY> aPnt;
748 double aDirNorm2 = theDirLine->dot(theDirLine);
750 double aDirX = theDirLine->x();
751 double aDirX2 = theDirLine->x() * theDirLine->x();
752 double aDirY2 = theDirLine->y() * theDirLine->y();
753 double aDirXY = theDirLine->x() * theDirLine->y();
754 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
755 aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
756 double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
757 double aCoeff2 = aCoeff * aCoeff;
758 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
759 aRad = theRadiusArc + aStepB * theRadius;
760 double aD = aRad * aRad * aDirNorm2 - aCoeff2;
763 double aDs = sqrt(aD);
764 double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
765 double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
766 double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
767 aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
768 double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
769 aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
771 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
772 theCenters.push_back(aPoint1);
773 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
774 theCenters.push_back(aPoint2);
779 /// \brief Find intersections of two circles with extended radii
780 void possibleFilletCenterArcArc(
781 std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
782 std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
783 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
785 std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
786 double aCenterDist2 = aCenterDir->dot(aCenterDir);
787 double aCenterDist = sqrt(aCenterDist2);
790 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
791 aRadA = theRadiusA + aStepA * theRadius;
792 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
793 aRadB = theRadiusB + aStepB * theRadius;
794 if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
795 continue; // there is no intersections
797 double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
798 double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
800 double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
801 double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
803 double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
804 double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
806 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
807 theCenters.push_back(aPoint1);
808 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
809 theCenters.push_back(aPoint2);
814 void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
815 double theRadius, bool theNotInversed[2],
816 std::shared_ptr<GeomAPI_XY>& theCenter,
817 std::shared_ptr<GeomAPI_XY>& theTangentA,
818 std::shared_ptr<GeomAPI_XY>& theTangentB)
820 static const int aNbFeatures = 2;
821 FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
822 std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
823 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
825 for (int i = 0; i < aNbFeatures; i++) {
826 if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
827 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
828 aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
829 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
830 aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
831 } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
832 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
833 aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
834 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
835 aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
836 aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
837 aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
840 aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
841 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
842 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
843 aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
844 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
845 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
848 if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
849 theFeatureB->getKind() == SketchPlugin_Line::ID()) {
850 std::shared_ptr<GeomAPI_Dir2d> aDir[2];
851 std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
852 for (int i = 0; i < aNbFeatures; i++) {
853 aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
854 aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
857 // get and filter possible centers
858 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
859 possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
861 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
862 for (; anIt != aSuspectCenters.end(); anIt++) {
863 aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
864 theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
865 if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
866 continue; // incorrect position
867 aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
868 theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
869 if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
870 continue; // incorrect position
871 // the center is found, stop searching
875 } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
876 theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
877 (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
878 theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
879 int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
880 double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
881 std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
882 new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
883 std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
884 new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
886 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
887 new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
888 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
889 new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
890 double anArcAngle = aEndArcDir->angle(aStartArcDir);
892 // get possible centers and filter them
893 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
894 possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
896 // the line is forward into the arc
897 double innerArc = aCenter[1-aLineInd]->decreased(aStart[aLineInd])->dot(aDirLine->xy());
898 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
899 // The possible centers are ranged by their positions.
900 // If the point is not satisfy one of criteria, the weight is decreased with penalty.
902 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
903 for (; anIt != aSuspectCenters.end(); anIt++) {
905 aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
906 aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
907 // Check the point is placed on the correct arc (penalty if false)
908 if (aCenter[1-aLineInd]->distance(*anIt) * innerArc > anArcRadius * innerArc)
910 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
911 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
912 double aCurAngle = aCurDir->angle(aStartArcDir);
913 if (anArcAngle < 0.0) aCurAngle *= -1.0;
914 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
916 if (aWeight > aBestWeight)
917 aBestWeight = aWeight;
918 else if (aWeight < aBestWeight ||
919 aStart[aLineInd]->distance(*anIt) >
920 aStart[aLineInd]->distance(theCenter)) // <-- take closer point
922 // the center is found, stop searching
924 anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
925 if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
926 theTangentA = aLineTgPoint;
927 theTangentB = anArcTgPoint;
929 theTangentA = anArcTgPoint;
930 theTangentB = aLineTgPoint;
934 } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
935 theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
936 double anArcRadius[aNbFeatures];
937 double anArcAngle[aNbFeatures];
938 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
939 for (int i = 0; i < aNbFeatures; i++) {
940 anArcRadius[i] = aStart[i]->distance(aCenter[i]);
941 aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
942 new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
943 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
944 new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
945 anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
948 // get and filter possible centers
949 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
950 possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
952 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
953 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
954 for (; anIt != aSuspectCenters.end(); anIt++) {
955 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
956 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
957 double aCurAngle = aCurDir->angle(aStartArcDir[0]);
958 if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
959 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
960 continue; // incorrect position
961 theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
963 aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
964 aCurAngle = aCurDir->angle(aStartArcDir[1]);
965 if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
966 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
967 continue; // incorrect position
968 theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
970 // the center is found, stop searching
977 void getPointOnEdge(const FeaturePtr theFeature,
978 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
979 std::shared_ptr<GeomAPI_Pnt2d>& thePoint) {
980 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
981 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
982 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
983 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
984 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
985 if(aPntStart->distance(theFilletPoint) > 1.e-7) {
986 aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
987 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
988 aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
989 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
991 thePoint.reset( new GeomAPI_Pnt2d(aPntStart->xy()->added( aPntEnd->xy()->decreased( aPntStart->xy() )->multiplied(1.0 / 3.0) ) ) );
993 std::shared_ptr<GeomAPI_Pnt2d> aPntTemp;
994 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
995 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
996 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
997 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
998 if(theFeature->attribute(SketchPlugin_Arc::INVERSED_ID())) {
999 aPntTemp = aPntStart;
1000 aPntStart = aPntEnd;
1003 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1004 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1005 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
1006 double aStartParameter(0), anEndParameter(0);
1007 aCirc->parameter(aPntStart, paramTolerance, aStartParameter);
1008 aCirc->parameter(aPntEnd, paramTolerance, anEndParameter);
1009 if(aPntStart->distance(theFilletPoint) > tolerance) {
1010 double aTmpParameter = aStartParameter;
1011 aStartParameter = anEndParameter;
1012 anEndParameter = aTmpParameter;
1014 double aPntParameter = aStartParameter + (anEndParameter - aStartParameter) / 3.0;
1015 aCirc->D0(aPntParameter, thePoint);
1019 double getProjectionDistance(const FeaturePtr theFeature,
1020 const std::shared_ptr<GeomAPI_Pnt2d> thePoint)
1022 std::shared_ptr<GeomAPI_Pnt2d> aProjectPnt;
1023 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
1024 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1025 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
1026 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1027 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
1028 std::shared_ptr<GeomAPI_Lin2d> aLin(new GeomAPI_Lin2d(aPntStart, aPntEnd));
1029 aProjectPnt = aLin->project(thePoint);
1031 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1032 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
1033 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1034 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
1035 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1036 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1037 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
1038 aProjectPnt = aCirc->project(thePoint);
1040 if(aProjectPnt.get()) {
1041 return aProjectPnt->distance(thePoint);
1046 std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence)
1048 std::set<FeaturePtr> aCoincides;
1050 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt = SketchPlugin_Tools::getCoincidencePoint(theConstraintCoincidence);
1052 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1053 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
1055 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1056 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
1059 // Remove points from set of coincides.
1060 std::set<FeaturePtr> aNewSetOfCoincides;
1061 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1062 if((*anIt)->getKind() == SketchPlugin_Line::ID()) {
1063 aNewSetOfCoincides.insert(*anIt);
1064 } else if((*anIt)->getKind() == SketchPlugin_Arc::ID()) {
1065 AttributePtr anAttrCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
1066 std::shared_ptr<GeomDataAPI_Point2D> aPointCenter2D =
1067 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrCenter);
1068 if(aPointCenter2D.get() && aFilletPnt->isEqual(aPointCenter2D->pnt())) {
1071 aNewSetOfCoincides.insert(*anIt);
1074 aCoincides = aNewSetOfCoincides;
1076 // If we still have more than two coincides remove auxilary entities from set of coincides.
1077 if(aCoincides.size() > 2) {
1078 aNewSetOfCoincides.clear();
1079 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1080 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
1081 aNewSetOfCoincides.insert(*anIt);
1084 aCoincides = aNewSetOfCoincides;