1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: SketchPlugin_ConstraintFillet.cpp
4 // Created: 19 Mar 2015
5 // Author: Artem ZHIDKOV
7 #include "SketchPlugin_ConstraintFillet.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_AttributeRefList.h>
17 #include <ModelAPI_AttributeRefAttrList.h>
18 #include <ModelAPI_Data.h>
19 #include <ModelAPI_Events.h>
20 #include <ModelAPI_Session.h>
21 #include <ModelAPI_Validator.h>
23 #include <SketchPlugin_Arc.h>
24 #include <SketchPlugin_Line.h>
25 #include <SketchPlugin_Point.h>
26 #include <SketchPlugin_Sketch.h>
27 #include <SketchPlugin_ConstraintCoincidence.h>
28 #include <SketchPlugin_ConstraintTangent.h>
29 #include <SketchPlugin_ConstraintRadius.h>
30 #include <SketchPlugin_Tools.h>
32 #include <Events_Loop.h>
36 const double tolerance = 1.e-7;
37 const double paramTolerance = 1.e-4;
39 /// \brief Attract specified point on theNewArc to the attribute of theFeature
40 static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
41 FeaturePtr theFeature, const std::string& theFeatureAttribute);
43 /// \brief Calculates center of fillet arc and coordinates of tangency points
44 static void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
45 double theRadius, bool theNotInversed[2],
46 std::shared_ptr<GeomAPI_XY>& theCenter,
47 std::shared_ptr<GeomAPI_XY>& theTangentA,
48 std::shared_ptr<GeomAPI_XY>& theTangentB);
50 /// Get point on 1/3 length of edge from fillet point
51 static void getPointOnEdge(const FeaturePtr theFeature,
52 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
53 std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
55 /// Get distance from point to feature
56 static double getProjectionDistance(const FeaturePtr theFeature,
57 const std::shared_ptr<GeomAPI_Pnt2d> thePoint);
59 /// Get coincide edges for fillet
60 static std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence);
62 SketchPlugin_ConstraintFillet::SketchPlugin_ConstraintFillet()
63 : myListOfPointsChangedInCode(false),
64 myRadiusChangedByUser(false),
65 myRadiusChangedInCode(false),
66 myRadiusInitialized(false)
70 void SketchPlugin_ConstraintFillet::initAttributes()
72 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
73 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttrList::typeId());
76 void SketchPlugin_ConstraintFillet::execute()
78 std::shared_ptr<ModelAPI_Data> aData = data();
80 // Check the base objects are initialized.
81 AttributeRefAttrListPtr aPointsRefList = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
82 aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
83 if(!aPointsRefList->isInitialized()) {
84 setError("Error: List of points is not initialized.");
89 double aFilletRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
90 aData->attribute(SketchPlugin_Constraint::VALUE()))->value();
92 // Wait all constraints being created, then send update events
93 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
94 bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
96 Events_Loop::loop()->setFlushed(anUpdateEvent, false);
98 for(std::set<AttributePtr>::iterator aPointsIter = myNewPoints.begin();
99 aPointsIter != myNewPoints.end();
101 AttributePtr aPointAttr = *aPointsIter;
102 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2d = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aPointAttr);
103 if(!aFilletPoint2d.get()) {
104 setError("Error: One of the selected points is empty.");
107 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2d->pnt();
109 // Obtain base lines for fillet.
110 bool anIsNeedNewObjects = true;
111 FilletFeatures aFilletFeatures;
112 std::map<AttributePtr, FilletFeatures>::iterator aPrevPointsIter = myPointFeaturesMap.find(aPointAttr);
113 if(aPrevPointsIter != myPointFeaturesMap.end()) {
114 anIsNeedNewObjects = false;
115 aFilletFeatures = aPrevPointsIter->second;
117 FeaturePtr aBaseEdgeA, aBaseEdgeB;
118 if(!anIsNeedNewObjects) {
119 aBaseEdgeA = aFilletFeatures.baseEdgesState.front().first;
120 aBaseEdgeB = aFilletFeatures.baseEdgesState.back().first;
122 // Obtain constraint coincidence for the fillet point.
123 FeaturePtr aConstraintCoincidence;
124 const std::set<AttributePtr>& aRefsList = aFilletPoint2d->owner()->data()->refsToMe();
125 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
126 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
127 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
128 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
129 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
130 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
131 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
132 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
133 if(anAttrRefA.get() && !anAttrRefA->isObject()) {
134 AttributePtr anAttrA = anAttrRefA->attr();
135 if(aFilletPoint2d == anAttrA) {
136 aConstraintCoincidence = aConstrFeature;
140 if(anAttrRefB.get() && !anAttrRefB->isObject()) {
141 AttributePtr anAttrB = anAttrRefB->attr();
142 if(aFilletPoint2d == anAttrB) {
143 aConstraintCoincidence = aConstrFeature;
150 if(!aConstraintCoincidence.get()) {
151 setError("Error: No coincident edges at one of the selected points.");
155 // Get coincide edges.
156 std::set<FeaturePtr> aCoincides = getCoincides(aConstraintCoincidence);
157 if(aCoincides.size() != 2) {
158 setError("Error: One of the selected points does not have two suitable edges for fillet.");
162 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
163 aBaseEdgeA = *aLinesIt++;
164 aBaseEdgeB = *aLinesIt;
166 std::pair<FeaturePtr, bool> aBasePairA = std::make_pair(aBaseEdgeA, aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value());
167 std::pair<FeaturePtr, bool> aBasePairB = std::make_pair(aBaseEdgeB, aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value());
168 aFilletFeatures.baseEdgesState.push_back(aBasePairA);
169 aFilletFeatures.baseEdgesState.push_back(aBasePairB);
172 if(!aBaseEdgeA.get() || !aBaseEdgeB.get()) {
173 setError("Error: One of the base edges is empty.");
177 // Create new edges and arc if needed.
178 FeaturePtr aResultEdgeA, aResultEdgeB, aResultArc;
179 if(!anIsNeedNewObjects) {
180 // Obtain features from the list.
181 std::list<FeaturePtr>::iterator aResultEdgesIt = aFilletFeatures.resultEdges.begin();
182 aResultEdgeA = *aResultEdgesIt++;
183 aResultEdgeB = *aResultEdgesIt++;
184 aResultArc = *aResultEdgesIt;
186 // Copy edges and create arc.
187 aResultEdgeA = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeA, sketch());
188 aResultEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
189 aResultEdgeB = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeB, sketch());
190 aResultEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
191 aResultArc = sketch()->addFeature(SketchPlugin_Arc::ID());
193 aFilletFeatures.resultEdges.push_back(aResultEdgeA);
194 aFilletFeatures.resultEdges.push_back(aResultEdgeB);
195 aFilletFeatures.resultEdges.push_back(aResultArc);
198 // Calculate arc attributes
199 static const int aNbFeatures = 2;
200 FeaturePtr aBaseFeatures[aNbFeatures] = {aBaseEdgeA, aBaseEdgeB};
201 FeaturePtr aResultFeatures[aNbFeatures] = {aResultEdgeA, aResultEdgeB};
202 std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures]; // tangent directions of the features in coincident point
203 bool isStart[aNbFeatures]; // indicates which point the features share
204 std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2]; // first pair of points relate to first feature, second pair - to second
205 std::string aFeatAttributes[aNbFeatures * 2]; // attributes of features
206 for (int i = 0; i < aNbFeatures; i++) {
207 std::string aStartAttr, aEndAttr;
208 if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
209 aStartAttr = SketchPlugin_Line::START_ID();
210 aEndAttr = SketchPlugin_Line::END_ID();
211 } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
212 aStartAttr = SketchPlugin_Arc::START_ID();
213 aEndAttr = SketchPlugin_Arc::END_ID();
214 } else { // wrong argument
215 setError("Error: One of the points has wrong coincide feature");
218 aFeatAttributes[2*i] = aStartAttr;
219 aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
220 aBaseFeatures[i]->attribute(aStartAttr))->pnt();
221 aFeatAttributes[2*i+1] = aEndAttr;
222 aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
223 aBaseFeatures[i]->attribute(aEndAttr))->pnt();
225 for (int aFeatInd = 0; aFeatInd < aNbFeatures; aFeatInd++) {
226 for (int j = 0; j < 2; j++) // loop on start-end of each feature
227 if (aStartEndPnt[aFeatInd * aNbFeatures + j]->distance(aFilletPnt2d) < 1.e-10) {
228 isStart[aFeatInd] = (j==0);
232 // tangent directions of the features
233 for (int i = 0; i < aNbFeatures; i++) {
234 std::shared_ptr<GeomAPI_XY> aDir;
235 if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
236 aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
238 aDir = aDir->multiplied(-1.0);
239 } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
240 std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
241 aResultFeatures[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
242 aDir = isStart[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
243 aDir = aDir->decreased(aCenterPoint->xy());
245 double x = aDir->x();
246 double y = aDir->y();
249 if (isStart[i] == std::dynamic_pointer_cast<SketchPlugin_Arc>(aBaseFeatures[i])->isReversed())
250 aDir = aDir->multiplied(-1.0);
252 aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
255 // By default, the start point of fillet arc is connected to FeatureA,
256 // and the end point - to FeatureB. But when the angle between TangentDirA and
257 // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
258 double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A), where A and B - angles between corresponding tanget direction and the X axis
259 bool isReversed = cosBA > 0.0;
261 // Calculate fillet arc parameters
262 std::shared_ptr<GeomAPI_XY> aCenter, aTangentPntA, aTangentPntB;
263 calculateFilletCenter(aBaseEdgeA, aBaseEdgeB, aFilletRadius, isStart, aCenter, aTangentPntA, aTangentPntB);
264 if(!aCenter.get() || !aTangentPntA.get() || !aTangentPntB.get()) {
265 setError("Can not create fillet with the specified parameters.");
269 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
270 aResultEdgeA->attribute(aFeatAttributes[isStart[0] ? 0 : 1]))->setValue(aTangentPntA->x(), aTangentPntA->y());
271 aResultEdgeA->execute();
272 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
273 aResultEdgeB->attribute(aFeatAttributes[2 + (isStart[1] ? 0 : 1)]))->setValue(aTangentPntB->x(), aTangentPntB->y());
274 aResultEdgeB->execute();
275 // update fillet arc: make the arc correct for sure, so, it is not needed to process the "attribute updated"
276 // by arc; moreover, it may cause cyclicity in hte mechanism of updater
277 aResultArc->data()->blockSendAttributeUpdated(true);
278 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
279 aResultArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(aCenter->x(), aCenter->y());
281 std::shared_ptr<GeomAPI_XY> aTmp = aTangentPntA;
282 aTangentPntA = aTangentPntB;
285 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
286 aResultArc->attribute(SketchPlugin_Arc::START_ID()));
287 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
288 aResultArc->attribute(SketchPlugin_Arc::END_ID()));
289 if(aStartPoint->isInitialized() && aEndPoint->isInitialized() &&
290 (aStartPoint->pnt()->xy()->distance(aTangentPntA) > tolerance ||
291 aEndPoint->pnt()->xy()->distance(aTangentPntB) > tolerance)) {
292 std::dynamic_pointer_cast<SketchPlugin_Arc>(aResultArc)->setReversed(false);
294 aStartPoint->setValue(aTangentPntA->x(), aTangentPntA->y());
295 aEndPoint->setValue(aTangentPntB->x(), aTangentPntB->y());
296 aResultArc->data()->blockSendAttributeUpdated(false);
297 aResultArc->execute();
299 if(anIsNeedNewObjects) {
300 // Create list of additional constraints:
301 // 1. Coincidence of boundary points of features (copied lines/arcs) and fillet arc
303 FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
304 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
305 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
306 aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::START_ID()));
307 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
308 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
309 int aFeatInd = isReversed ? 1 : 0;
310 int anAttrInd = (isReversed ? 2 : 0) + (isStart[isReversed ? 1 : 0] ? 0 : 1);
311 aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
312 recalculateAttributes(aResultArc, SketchPlugin_Arc::START_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
313 aConstraint->execute();
314 aFilletFeatures.resultConstraints.push_back(aConstraint);
315 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
317 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
318 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
319 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
320 aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::END_ID()));
321 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
322 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
323 aFeatInd = isReversed ? 0 : 1;
324 anAttrInd = (isReversed ? 0 : 2) + (isStart[isReversed ? 0 : 1] ? 0 : 1);
325 aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
326 recalculateAttributes(aResultArc, SketchPlugin_Arc::END_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
327 aConstraint->execute();
328 aFilletFeatures.resultConstraints.push_back(aConstraint);
329 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
330 // 2. Fillet arc radius
331 //aConstraint = sketch()->addFeature(SketchPlugin_ConstraintRadius::ID());
332 //aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
333 // aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
334 //aRefAttr->setObject(aNewArc->lastResult());
335 //std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
336 // aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aFilletRadius);
337 //std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
338 // aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->setValue(
339 // isStart[0] ? aStartEndPnt[0] : aStartEndPnt[1]);
340 //aConstraint->execute();
341 //myProducedFeatures.push_back(aConstraint);
342 //ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
343 // 3. Tangency of fillet arc and features
344 for (int i = 0; i < aNbFeatures; i++) {
345 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
346 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
347 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
348 aRefAttr->setObject(aResultArc->lastResult());
349 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
350 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
351 bool isArc = aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID();
352 aRefAttr->setObject(isArc ? aResultFeatures[i]->lastResult() : aResultFeatures[i]->firstResult());
353 aConstraint->execute();
354 aFilletFeatures.resultConstraints.push_back(aConstraint);
355 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
357 // 4. Coincidence of free boundaries of base and copied features
358 for (int i = 0; i < aNbFeatures; i++) {
359 anAttrInd = 2*i + (isStart[i] ? 1 : 0);
360 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
361 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
362 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
363 aRefAttr->setAttr(aBaseFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
364 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
365 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
366 aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
367 aFilletFeatures.resultConstraints.push_back(aConstraint);
369 // 4.1. Additional tangency constraints when the fillet is based on arcs.
370 // It is used to verify the created arc will be placed on a source.
371 for (int i = 0; i < aNbFeatures; ++i) {
372 if (aResultFeatures[i]->getKind() != SketchPlugin_Arc::ID())
374 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
375 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
376 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
377 aRefAttr->setObject(aBaseFeatures[i]->lastResult());
378 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
379 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
380 aRefAttr->setObject(aResultFeatures[i]->lastResult());
381 aConstraint->execute();
382 aFilletFeatures.resultConstraints.push_back(aConstraint);
383 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
385 // 5. Tangent points should be placed on the base features
386 for (int i = 0; i < aNbFeatures; i++) {
387 anAttrInd = 2*i + (isStart[i] ? 0 : 1);
388 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
389 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
390 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
391 aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
392 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
393 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
394 aRefAttr->setObject(aBaseFeatures[i]->lastResult());
395 aFilletFeatures.resultConstraints.push_back(aConstraint);
397 // make base features auxiliary
398 aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
399 aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
401 // exchange the naming IDs of newly created and old line that become auxiliary
402 sketch()->exchangeIDs(aBaseEdgeA, aResultEdgeA);
403 sketch()->exchangeIDs(aBaseEdgeB, aResultEdgeB);
405 // store point and features in the map.
406 myPointFeaturesMap[aPointAttr] = aFilletFeatures;
408 // Update radius value
409 int aNbSubs = sketch()->numberOfSubs();
410 FeaturePtr aSubFeature;
411 for (int aSub = 0; aSub < aNbSubs; aSub++) {
412 aSubFeature = sketch()->subFeature(aSub);
413 if (aSubFeature->getKind() != SketchPlugin_ConstraintRadius::ID())
415 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
416 aSubFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
417 if (!aRefAttr || !aRefAttr->isObject())
419 FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
420 if (aFeature == aResultArc) {
421 AttributeDoublePtr aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
422 aSubFeature->attribute(SketchPlugin_Constraint::VALUE()));
423 aRadius->setValue(aFilletRadius);
430 // Send events to update the sub-features by the solver.
431 if(isUpdateFlushed) {
432 Events_Loop::loop()->setFlushed(anUpdateEvent, true);
436 void SketchPlugin_ConstraintFillet::attributeChanged(const std::string& theID)
438 if(theID == SketchPlugin_Constraint::ENTITY_A()) {
439 if(myListOfPointsChangedInCode) {
446 // Clear list of new points.
449 // Get list of points for fillets and current radius.
450 AttributeRefAttrListPtr aRefListOfFilletPoints = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
451 data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
452 AttributeDoublePtr aRadiusAttribute = real(VALUE());
453 int aListSize = aRefListOfFilletPoints->size();
454 if(aListSize == 0 && !myRadiusChangedByUser) {
455 // If list is empty reset radius to zero (if it was not changed by user).
456 myRadiusChangedInCode = true;
457 aRadiusAttribute->setValue(0);
458 myRadiusChangedInCode = false;
462 // Iterate over points to get base lines an calculate radius for fillets.
463 double aMinimumRadius = 0;
464 std::list<std::pair<ObjectPtr, AttributePtr>> aSelectedPointsList = aRefListOfFilletPoints->list();
465 std::list<std::pair<ObjectPtr, AttributePtr>>::iterator anIter = aSelectedPointsList.begin();
466 std::set<AttributePtr> aPointsToSkeep;
467 for(int anIndex = 0; anIndex < aListSize; anIndex++, anIter++) {
468 AttributePtr aFilletPointAttr = (*anIter).second;
469 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2D =
470 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFilletPointAttr);
471 if(!aFilletPoint2D.get()) {
473 setError("Error: One of the selected points is invalid.");
477 // If point or coincident point is already in list remove it from attribute.
478 if(aPointsToSkeep.find(aFilletPointAttr) != aPointsToSkeep.end()) {
479 myListOfPointsChangedInCode = true;
480 aRefListOfFilletPoints->remove(aFilletPointAttr);
481 myListOfPointsChangedInCode = false;
485 // Obtain constraint coincidence for the fillet point.
486 FeaturePtr aConstraintCoincidence;
487 const std::set<AttributePtr>& aRefsList = aFilletPointAttr->owner()->data()->refsToMe();
488 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
489 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
490 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
491 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
492 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
493 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
494 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
495 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
496 if(anAttrRefA.get()) {
497 AttributePtr anAttrA = anAttrRefA->attr();
498 if(aFilletPointAttr == anAttrA) {
499 aConstraintCoincidence = aConstrFeature;
503 if(anAttrRefB.get()) {
504 AttributePtr anAttrB = anAttrRefB->attr();
505 if(aFilletPointAttr == anAttrB) {
506 aConstraintCoincidence = aConstrFeature;
513 if(!aConstraintCoincidence.get()) {
515 setError("Error: No coincident edges at one of the selected points.");
519 // Get coincides from constraint.
520 std::set<FeaturePtr> aCoincides;
523 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
524 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
526 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
527 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
530 // Remove points from set of coincides. Also get all attributes which is equal to this point to exclude it.
531 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
532 std::set<FeaturePtr> aNewSetOfCoincides;
533 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
534 std::string aFeatureKind = (*anIt)->getKind();
535 if(aFeatureKind == SketchPlugin_Point::ID()) {
536 AttributePtr anAttr = (*anIt)->attribute(SketchPlugin_Point::COORD_ID());
537 std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
538 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr);
539 if(aPoint2D.get() && aFilletPnt2d->isEqual(aPoint2D->pnt())) {
540 aPointsToSkeep.insert(anAttr);
542 } else if(aFeatureKind == SketchPlugin_Line::ID()) {
543 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Line::START_ID());
544 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
545 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
546 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
547 aPointsToSkeep.insert(anAttrStart);
549 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Line::END_ID());
550 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
551 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
552 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
553 aPointsToSkeep.insert(anAttrEnd);
555 aNewSetOfCoincides.insert(*anIt);
556 } else if(aFeatureKind == SketchPlugin_Arc::ID() ) {
557 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Arc::START_ID());
558 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
559 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
560 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
561 aPointsToSkeep.insert(anAttrStart);
563 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Arc::END_ID());
564 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
565 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
566 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
567 aPointsToSkeep.insert(anAttrEnd);
569 aNewSetOfCoincides.insert(*anIt);
572 aCoincides = aNewSetOfCoincides;
574 // If we still have more than two coincides remove auxilary entities from set of coincides.
575 if(aCoincides.size() > 2) {
576 aNewSetOfCoincides.clear();
577 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
578 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
579 aNewSetOfCoincides.insert(*anIt);
582 aCoincides = aNewSetOfCoincides;
585 if(aCoincides.size() != 2) {
587 setError("Error: One of the selected points does not have two suitable edges for fillet.");
591 // Store base point for fillet.
592 aPointsToSkeep.insert(aFilletPointAttr);
593 myNewPoints.insert(aFilletPointAttr);
595 // Get base lines for fillet.
596 FeaturePtr anOldFeatureA, anOldFeatureB;
597 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
598 anOldFeatureA = *aLinesIt++;
599 anOldFeatureB = *aLinesIt;
601 // Getting radius value if it was not changed by user.
602 if(!myRadiusChangedByUser) {
603 // Getting points located at 1/3 of edge length from fillet point.
604 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
605 std::shared_ptr<GeomAPI_Pnt2d> aPntA, aPntB;
606 getPointOnEdge(anOldFeatureA, aFilletPnt2d, aPntA);
607 getPointOnEdge(anOldFeatureB, aFilletPnt2d, aPntB);
609 /// Getting distances.
610 double aDistanceA = getProjectionDistance(anOldFeatureB, aPntA);
611 double aDistanceB = getProjectionDistance(anOldFeatureA, aPntB);
612 double aRadius = aDistanceA < aDistanceB ? aDistanceA / 2.0 : aDistanceB / 2.0;
613 aMinimumRadius = aMinimumRadius == 0 ? aRadius : aRadius < aMinimumRadius ? aRadius : aMinimumRadius;
617 // Set new default radius if it was not changed by user.
618 if(!myRadiusChangedByUser) {
619 myRadiusChangedInCode = true;
620 aRadiusAttribute->setValue(aMinimumRadius);
621 myRadiusChangedInCode = false;
624 } else if(theID == SketchPlugin_Constraint::VALUE()) {
625 if(myRadiusInitialized && !myRadiusChangedInCode) {
626 myRadiusChangedByUser = true;
628 if(!myRadiusInitialized) {
629 myRadiusInitialized = true;
634 AISObjectPtr SketchPlugin_ConstraintFillet::getAISObject(AISObjectPtr thePrevious)
639 AISObjectPtr anAIS = thePrevious;
640 /// TODO: Equal constraint presentation should be put here
644 bool SketchPlugin_ConstraintFillet::isMacro() const
649 void SketchPlugin_ConstraintFillet::clearResults()
651 // Clear auxiliary flag on initial objects.
652 for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
653 aPointsIter != myPointFeaturesMap.end();) {
654 const FilletFeatures& aFilletFeatures = aPointsIter->second;
655 std::list<std::pair<FeaturePtr, bool>>::const_iterator aFeatureIt;
656 for(aFeatureIt = aFilletFeatures.baseEdgesState.cbegin();
657 aFeatureIt != aFilletFeatures.baseEdgesState.cend();
659 aFeatureIt->first->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(aFeatureIt->second);
664 // And remove all produced features.
665 DocumentPtr aDoc = sketch()->document();
666 for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
667 aPointsIter != myPointFeaturesMap.end();) {
668 // Remove all produced constraints.
669 const FilletFeatures& aFilletFeatures = aPointsIter->second;
670 std::list<FeaturePtr>::const_iterator aFeatureIt;
671 for(aFeatureIt = aFilletFeatures.resultConstraints.cbegin();
672 aFeatureIt != aFilletFeatures.resultConstraints.cend();
674 aDoc->removeFeature(*aFeatureIt);
677 // Remove all result edges.
678 for(aFeatureIt = aFilletFeatures.resultEdges.cbegin();
679 aFeatureIt != aFilletFeatures.resultEdges.cend();
681 aDoc->removeFeature(*aFeatureIt);
684 // Remove point from map.
685 myPointFeaturesMap.erase(aPointsIter++);
690 // ========= Auxiliary functions =================
691 void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
692 FeaturePtr theFeature, const std::string& theFeatureAttribute)
694 std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
695 theNewArc->attribute(theNewArcAttribute))->pnt();
696 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
697 theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
700 /// \brief Find intersections of lines shifted along normal direction
701 void possibleFilletCenterLineLine(
702 std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
703 std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
704 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
706 std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
707 std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
708 std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
709 double aDet = theDirA->cross(theDirB);
710 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
711 aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
712 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
713 aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
714 double aVX = aDirAT->xy()->dot(aPntA);
715 double aVY = aDirBT->xy()->dot(aPntB);
716 std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
717 (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
718 (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
719 theCenters.push_back(aPoint);
724 /// \brief Find intersections of line shifted along normal direction in both sides
725 /// and a circle with extended radius
726 void possibleFilletCenterLineArc(
727 std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
728 std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
729 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
731 std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
732 std::shared_ptr<GeomAPI_XY> aPnt;
733 double aDirNorm2 = theDirLine->dot(theDirLine);
735 double aDirX = theDirLine->x();
736 double aDirX2 = theDirLine->x() * theDirLine->x();
737 double aDirY2 = theDirLine->y() * theDirLine->y();
738 double aDirXY = theDirLine->x() * theDirLine->y();
739 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
740 aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
741 double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
742 double aCoeff2 = aCoeff * aCoeff;
743 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
744 aRad = theRadiusArc + aStepB * theRadius;
745 double aD = aRad * aRad * aDirNorm2 - aCoeff2;
748 double aDs = sqrt(aD);
749 double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
750 double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
751 double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
752 aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
753 double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
754 aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
756 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
757 theCenters.push_back(aPoint1);
758 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
759 theCenters.push_back(aPoint2);
764 /// \brief Find intersections of two circles with extended radii
765 void possibleFilletCenterArcArc(
766 std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
767 std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
768 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
770 std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
771 double aCenterDist2 = aCenterDir->dot(aCenterDir);
772 double aCenterDist = sqrt(aCenterDist2);
775 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
776 aRadA = theRadiusA + aStepA * theRadius;
777 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
778 aRadB = theRadiusB + aStepB * theRadius;
779 if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
780 continue; // there is no intersections
782 double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
783 double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
785 double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
786 double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
788 double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
789 double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
791 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
792 theCenters.push_back(aPoint1);
793 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
794 theCenters.push_back(aPoint2);
799 void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
800 double theRadius, bool theNotInversed[2],
801 std::shared_ptr<GeomAPI_XY>& theCenter,
802 std::shared_ptr<GeomAPI_XY>& theTangentA,
803 std::shared_ptr<GeomAPI_XY>& theTangentB)
805 static const int aNbFeatures = 2;
806 FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
807 std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
808 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
810 for (int i = 0; i < aNbFeatures; i++) {
811 if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
812 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
813 aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
814 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
815 aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
816 } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
817 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
818 aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
819 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
820 aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
821 aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
822 aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
825 aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
826 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
827 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
828 aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
829 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
830 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
833 if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
834 theFeatureB->getKind() == SketchPlugin_Line::ID()) {
835 std::shared_ptr<GeomAPI_Dir2d> aDir[2];
836 std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
837 for (int i = 0; i < aNbFeatures; i++) {
838 aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
839 aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
842 // get and filter possible centers
843 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
844 possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
846 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
847 for (; anIt != aSuspectCenters.end(); anIt++) {
848 aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
849 theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
850 if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
851 continue; // incorrect position
852 aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
853 theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
854 if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
855 continue; // incorrect position
856 // the center is found, stop searching
860 } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
861 theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
862 (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
863 theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
864 int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
865 double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
866 std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
867 new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
868 std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
869 new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
871 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
872 new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
873 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
874 new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
875 double anArcAngle = aEndArcDir->angle(aStartArcDir);
877 // get possible centers and filter them
878 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
879 possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
881 // the line is forward into the arc
882 double innerArc = aCenter[1-aLineInd]->decreased(aStart[aLineInd])->dot(aDirLine->xy());
883 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
884 // The possible centers are ranged by their positions.
885 // If the point is not satisfy one of criteria, the weight is decreased with penalty.
887 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
888 for (; anIt != aSuspectCenters.end(); anIt++) {
890 aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
891 aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
892 // Check the point is placed on the correct arc (penalty if false)
893 if (aCenter[1-aLineInd]->distance(*anIt) * innerArc > anArcRadius * innerArc)
895 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
896 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
897 double aCurAngle = aCurDir->angle(aStartArcDir);
898 if (anArcAngle < 0.0) aCurAngle *= -1.0;
899 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
901 if (aWeight > aBestWeight)
902 aBestWeight = aWeight;
903 else if (aWeight < aBestWeight ||
904 aStart[aLineInd]->distance(*anIt) >
905 aStart[aLineInd]->distance(theCenter)) // <-- take closer point
907 // the center is found, stop searching
909 anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
910 if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
911 theTangentA = aLineTgPoint;
912 theTangentB = anArcTgPoint;
914 theTangentA = anArcTgPoint;
915 theTangentB = aLineTgPoint;
919 } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
920 theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
921 double anArcRadius[aNbFeatures];
922 double anArcAngle[aNbFeatures];
923 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
924 for (int i = 0; i < aNbFeatures; i++) {
925 anArcRadius[i] = aStart[i]->distance(aCenter[i]);
926 aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
927 new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
928 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
929 new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
930 anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
933 // get and filter possible centers
934 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
935 possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
937 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
938 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
939 for (; anIt != aSuspectCenters.end(); anIt++) {
940 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
941 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
942 double aCurAngle = aCurDir->angle(aStartArcDir[0]);
943 if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
944 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
945 continue; // incorrect position
946 theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
948 aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
949 aCurAngle = aCurDir->angle(aStartArcDir[1]);
950 if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
951 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
952 continue; // incorrect position
953 theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
955 // the center is found, stop searching
962 void getPointOnEdge(const FeaturePtr theFeature,
963 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
964 std::shared_ptr<GeomAPI_Pnt2d>& thePoint) {
965 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
966 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
967 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
968 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
969 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
970 if(aPntStart->distance(theFilletPoint) > 1.e-7) {
971 aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
972 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
973 aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
974 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
976 thePoint.reset( new GeomAPI_Pnt2d(aPntStart->xy()->added( aPntEnd->xy()->decreased( aPntStart->xy() )->multiplied(1.0 / 3.0) ) ) );
978 std::shared_ptr<GeomAPI_Pnt2d> aPntTemp;
979 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
980 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
981 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
982 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
983 if(theFeature->attribute(SketchPlugin_Arc::INVERSED_ID())) {
984 aPntTemp = aPntStart;
988 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
989 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
990 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
991 double aStartParameter(0), anEndParameter(0);
992 aCirc->parameter(aPntStart, paramTolerance, aStartParameter);
993 aCirc->parameter(aPntEnd, paramTolerance, anEndParameter);
994 if(aPntStart->distance(theFilletPoint) > tolerance) {
995 double aTmpParameter = aStartParameter;
996 aStartParameter = anEndParameter;
997 anEndParameter = aTmpParameter;
999 double aPntParameter = aStartParameter + (anEndParameter - aStartParameter) / 3.0;
1000 aCirc->D0(aPntParameter, thePoint);
1004 double getProjectionDistance(const FeaturePtr theFeature,
1005 const std::shared_ptr<GeomAPI_Pnt2d> thePoint)
1007 std::shared_ptr<GeomAPI_Pnt2d> aProjectPnt;
1008 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
1009 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1010 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
1011 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1012 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
1013 std::shared_ptr<GeomAPI_Lin2d> aLin(new GeomAPI_Lin2d(aPntStart, aPntEnd));
1014 aProjectPnt = aLin->project(thePoint);
1016 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1017 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
1018 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1019 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
1020 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1021 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1022 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
1023 aProjectPnt = aCirc->project(thePoint);
1025 if(aProjectPnt.get()) {
1026 return aProjectPnt->distance(thePoint);
1031 std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence)
1033 std::set<FeaturePtr> aCoincides;
1035 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1036 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
1038 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1039 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
1042 // Remove points from set of coincides.
1043 std::set<FeaturePtr> aNewSetOfCoincides;
1044 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1045 if((*anIt)->getKind() == SketchPlugin_Line::ID() ||
1046 (*anIt)->getKind() == SketchPlugin_Arc::ID() ) {
1047 aNewSetOfCoincides.insert(*anIt);
1050 aCoincides = aNewSetOfCoincides;
1052 // If we still have more than two coincides remove auxilary entities from set of coincides.
1053 if(aCoincides.size() > 2) {
1054 aNewSetOfCoincides.clear();
1055 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1056 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
1057 aNewSetOfCoincides.insert(*anIt);
1060 aCoincides = aNewSetOfCoincides;