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(true)
69 void SketchPlugin_ConstraintFillet::initAttributes()
71 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
72 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttrList::typeId());
73 AttributePtr aResultEdgesRefList = data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefList::typeId()); // Used to store result edges.
74 AttributePtr aBasePointsRefAttrList = data()->addAttribute(SketchPlugin_Constraint::ENTITY_C(), ModelAPI_AttributeRefAttrList::typeId()); // Used to store base points.
75 // Initialize attribute not applicable for user.
76 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_B());
77 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_C());
78 aResultEdgesRefList->setIsArgument(false);
79 aBasePointsRefAttrList->setIsArgument(false);
82 void SketchPlugin_ConstraintFillet::execute()
84 std::shared_ptr<ModelAPI_Data> aData = data();
86 // Check the base objects are initialized.
87 AttributeRefAttrListPtr aPointsRefList = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
88 aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
89 if(!aPointsRefList->isInitialized()) {
90 setError("Error: List of points is not initialized.");
95 double aFilletRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
96 aData->attribute(SketchPlugin_Constraint::VALUE()))->value();
98 // Check the fillet result edges is not initialized yet.
99 AttributeRefListPtr aResultEdgesRefList = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
100 aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
101 bool anIsNeedNewObjects = aResultEdgesRefList->size() == 0;
103 // Wait all constraints being created, then send update events
104 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
105 bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
107 Events_Loop::loop()->setFlushed(anUpdateEvent, false);
109 for(int anIndex = 0; anIndex < aPointsRefList->size(); ++anIndex) {
110 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2d =
111 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aPointsRefList->attribute(anIndex));
112 if(!aFilletPoint2d.get()) {
113 setError("Error: One of the selected points is empty.");
116 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2d->pnt();
118 // Obtain base lines for fillet.
119 FeaturePtr aBaseEdgeA, aBaseEdgeB;
120 if(myBaseEdges.size() > (unsigned int)(anIndex * 2)) {
121 std::list<FeaturePtr>::iterator anIter = myBaseEdges.begin();
122 std::advance(anIter, anIndex * 2);
123 aBaseEdgeA = *anIter++;
124 aBaseEdgeB = *anIter;
126 // Obtain constraint coincidence for the fillet point.
127 FeaturePtr aConstraintCoincidence;
128 const std::set<AttributePtr>& aRefsList = aFilletPoint2d->owner()->data()->refsToMe();
129 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
130 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
131 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
132 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
133 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
134 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
135 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
136 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
137 if(anAttrRefA.get() && !anAttrRefA->isObject()) {
138 AttributePtr anAttrA = anAttrRefA->attr();
139 if(aFilletPoint2d == anAttrA) {
140 aConstraintCoincidence = aConstrFeature;
144 if(anAttrRefB.get() && !anAttrRefB->isObject()) {
145 AttributePtr anAttrB = anAttrRefB->attr();
146 if(aFilletPoint2d == anAttrB) {
147 aConstraintCoincidence = aConstrFeature;
154 if(!aConstraintCoincidence.get()) {
155 setError("Error: No coincident edges at one of the selected points.");
159 // Get coincide edges.
160 std::set<FeaturePtr> aCoincides = getCoincides(aConstraintCoincidence);
161 if(aCoincides.size() != 2) {
162 setError("Error: One of the selected points does not have two suitable edges for fillet.");
166 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
167 aBaseEdgeA = *aLinesIt++;
168 aBaseEdgeB = *aLinesIt;
171 if(!aBaseEdgeA.get() || !aBaseEdgeB.get()) {
172 setError("Error: One of the base edges is empty.");
176 // Create new edges and arc if needed.
177 FeaturePtr aResultEdgeA, aResultEdgeB, aResultArc;
178 if(anIsNeedNewObjects) {
179 // Copy edges and create arc.
180 aResultEdgeA = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeA, sketch());
181 aResultEdgeB = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeB, sketch());
182 aResultArc = sketch()->addFeature(SketchPlugin_Arc::ID());
184 // Obtain features from the list.
185 aResultEdgeA = ModelAPI_Feature::feature(aResultEdgesRefList->object(anIndex * 3));
186 aResultEdgeB = ModelAPI_Feature::feature(aResultEdgesRefList->object(anIndex * 3 + 1));
187 aResultArc = ModelAPI_Feature::feature(aResultEdgesRefList->object(anIndex * 3 + 2));
190 // Calculate arc attributes
191 static const int aNbFeatures = 2;
192 FeaturePtr aBaseFeatures[aNbFeatures] = {aBaseEdgeA, aBaseEdgeB};
193 FeaturePtr aResultFeatures[aNbFeatures] = {aResultEdgeA, aResultEdgeB};
194 std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures]; // tangent directions of the features in coincident point
195 bool isStart[aNbFeatures]; // indicates which point the features share
196 std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2]; // first pair of points relate to first feature, second pair - to second
197 std::string aFeatAttributes[aNbFeatures * 2]; // attributes of features
198 for (int i = 0; i < aNbFeatures; i++) {
199 std::string aStartAttr, aEndAttr;
200 if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
201 aStartAttr = SketchPlugin_Line::START_ID();
202 aEndAttr = SketchPlugin_Line::END_ID();
203 } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
204 aStartAttr = SketchPlugin_Arc::START_ID();
205 aEndAttr = SketchPlugin_Arc::END_ID();
206 } else { // wrong argument
207 aResultEdgesRefList->clear();
208 setError("Error: One of the points has wrong coincide feature");
211 aFeatAttributes[2*i] = aStartAttr;
212 aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
213 aBaseFeatures[i]->attribute(aStartAttr))->pnt();
214 aFeatAttributes[2*i+1] = aEndAttr;
215 aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
216 aBaseFeatures[i]->attribute(aEndAttr))->pnt();
218 for (int aFeatInd = 0; aFeatInd < aNbFeatures; aFeatInd++) {
219 for (int j = 0; j < 2; j++) // loop on start-end of each feature
220 if (aStartEndPnt[aFeatInd * aNbFeatures + j]->distance(aFilletPnt2d) < 1.e-10) {
221 isStart[aFeatInd] = (j==0);
225 // tangent directions of the features
226 for (int i = 0; i < aNbFeatures; i++) {
227 std::shared_ptr<GeomAPI_XY> aDir;
228 if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
229 aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
231 aDir = aDir->multiplied(-1.0);
232 } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
233 std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
234 aResultFeatures[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
235 aDir = isStart[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
236 aDir = aDir->decreased(aCenterPoint->xy());
238 double x = aDir->x();
239 double y = aDir->y();
242 if (isStart[i] == std::dynamic_pointer_cast<SketchPlugin_Arc>(aBaseFeatures[i])->isReversed())
243 aDir = aDir->multiplied(-1.0);
245 aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
248 // By default, the start point of fillet arc is connected to FeatureA,
249 // and the end point - to FeatureB. But when the angle between TangentDirA and
250 // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
251 double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A), where A and B - angles between corresponding tanget direction and the X axis
252 bool isReversed = cosBA > 0.0;
254 // Calculate fillet arc parameters
255 std::shared_ptr<GeomAPI_XY> aCenter, aTangentPntA, aTangentPntB;
256 calculateFilletCenter(aBaseEdgeA, aBaseEdgeB, aFilletRadius, isStart, aCenter, aTangentPntA, aTangentPntB);
257 if(!aCenter.get() || !aTangentPntA.get() || !aTangentPntB.get()) {
258 setError("Can not create fillet with the specified parameters.");
262 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
263 aResultEdgeA->attribute(aFeatAttributes[isStart[0] ? 0 : 1]))->setValue(aTangentPntA->x(), aTangentPntA->y());
264 aResultEdgeA->execute();
265 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
266 aResultEdgeB->attribute(aFeatAttributes[2 + (isStart[1] ? 0 : 1)]))->setValue(aTangentPntB->x(), aTangentPntB->y());
267 aResultEdgeB->execute();
268 // update fillet arc: make the arc correct for sure, so, it is not needed to process the "attribute updated"
269 // by arc; moreover, it may cause cyclicity in hte mechanism of updater
270 aResultArc->data()->blockSendAttributeUpdated(true);
271 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
272 aResultArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(aCenter->x(), aCenter->y());
274 std::shared_ptr<GeomAPI_XY> aTmp = aTangentPntA;
275 aTangentPntA = aTangentPntB;
278 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
279 aResultArc->attribute(SketchPlugin_Arc::START_ID()));
280 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
281 aResultArc->attribute(SketchPlugin_Arc::END_ID()));
282 if(aStartPoint->isInitialized() && aEndPoint->isInitialized() &&
283 (aStartPoint->pnt()->xy()->distance(aTangentPntA) > tolerance ||
284 aEndPoint->pnt()->xy()->distance(aTangentPntB) > tolerance)) {
285 std::dynamic_pointer_cast<SketchPlugin_Arc>(aResultArc)->setReversed(false);
287 aStartPoint->setValue(aTangentPntA->x(), aTangentPntA->y());
288 aEndPoint->setValue(aTangentPntB->x(), aTangentPntB->y());
289 aResultArc->data()->blockSendAttributeUpdated(false);
290 aResultArc->execute();
292 if(anIsNeedNewObjects) {
293 // attach new arc to the list
294 aResultEdgesRefList->append(aResultEdgeA->lastResult());
295 aResultEdgesRefList->append(aResultEdgeB->lastResult());
296 aResultEdgesRefList->append(aResultArc->lastResult());
298 myProducedFeatures.push_back(aResultEdgeA);
299 myProducedFeatures.push_back(aResultEdgeB);
300 myProducedFeatures.push_back(aResultArc);
302 // Create list of additional constraints:
303 // 1. Coincidence of boundary points of features (copied lines/arcs) and fillet arc
305 FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
306 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
307 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
308 aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::START_ID()));
309 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
310 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
311 int aFeatInd = isReversed ? 1 : 0;
312 int anAttrInd = (isReversed ? 2 : 0) + (isStart[isReversed ? 1 : 0] ? 0 : 1);
313 aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
314 recalculateAttributes(aResultArc, SketchPlugin_Arc::START_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
315 aConstraint->execute();
316 myProducedFeatures.push_back(aConstraint);
317 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
319 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
320 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
321 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
322 aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::END_ID()));
323 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
324 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
325 aFeatInd = isReversed ? 0 : 1;
326 anAttrInd = (isReversed ? 0 : 2) + (isStart[isReversed ? 0 : 1] ? 0 : 1);
327 aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
328 recalculateAttributes(aResultArc, SketchPlugin_Arc::END_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
329 aConstraint->execute();
330 myProducedFeatures.push_back(aConstraint);
331 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
332 // 2. Fillet arc radius
333 //aConstraint = sketch()->addFeature(SketchPlugin_ConstraintRadius::ID());
334 //aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
335 // aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
336 //aRefAttr->setObject(aNewArc->lastResult());
337 //std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
338 // aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aFilletRadius);
339 //std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
340 // aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->setValue(
341 // isStart[0] ? aStartEndPnt[0] : aStartEndPnt[1]);
342 //aConstraint->execute();
343 //myProducedFeatures.push_back(aConstraint);
344 //ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
345 // 3. Tangency of fillet arc and features
346 for (int i = 0; i < aNbFeatures; i++) {
347 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
348 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
349 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
350 aRefAttr->setObject(aResultArc->lastResult());
351 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
352 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
353 bool isArc = aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID();
354 aRefAttr->setObject(isArc ? aResultFeatures[i]->lastResult() : aResultFeatures[i]->firstResult());
355 aConstraint->execute();
356 myProducedFeatures.push_back(aConstraint);
357 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
359 // 4. Coincidence of free boundaries of base and copied features
360 for (int i = 0; i < aNbFeatures; i++) {
361 anAttrInd = 2*i + (isStart[i] ? 1 : 0);
362 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
363 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
364 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
365 aRefAttr->setAttr(aBaseFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
366 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
367 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
368 aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
369 myProducedFeatures.push_back(aConstraint);
371 // 4.1. Additional tangency constraints when the fillet is based on arcs.
372 // It is used to verify the created arc will be placed on a source.
373 for (int i = 0; i < aNbFeatures; ++i) {
374 if (aResultFeatures[i]->getKind() != SketchPlugin_Arc::ID())
376 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
377 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
378 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
379 aRefAttr->setObject(aBaseFeatures[i]->lastResult());
380 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
381 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
382 aRefAttr->setObject(aResultFeatures[i]->lastResult());
383 aConstraint->execute();
384 myProducedFeatures.push_back(aConstraint);
385 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
387 // 5. Tangent points should be placed on the base features
388 for (int i = 0; i < aNbFeatures; i++) {
389 anAttrInd = 2*i + (isStart[i] ? 0 : 1);
390 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
391 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
392 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
393 aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
394 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
395 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
396 aRefAttr->setObject(aBaseFeatures[i]->lastResult());
397 myProducedFeatures.push_back(aConstraint);
399 // make base features auxiliary
400 aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
401 aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
403 myBaseEdges.push_back(aBaseEdgeA);
404 myBaseEdges.push_back(aBaseEdgeB);
405 // exchange the naming IDs of newly created and old line that become auxiliary
406 sketch()->exchangeIDs(aBaseEdgeA, aResultEdgeA);
407 sketch()->exchangeIDs(aBaseEdgeB, aResultEdgeB);
409 // Update radius value
410 int aNbSubs = sketch()->numberOfSubs();
411 FeaturePtr aSubFeature;
412 for (int aSub = 0; aSub < aNbSubs; aSub++) {
413 aSubFeature = sketch()->subFeature(aSub);
414 if (aSubFeature->getKind() != SketchPlugin_ConstraintRadius::ID())
416 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
417 aSubFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
418 if (!aRefAttr || !aRefAttr->isObject())
420 FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
421 if (aFeature == aResultArc) {
422 AttributeDoublePtr aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
423 aSubFeature->attribute(SketchPlugin_Constraint::VALUE()));
424 aRadius->setValue(aFilletRadius);
431 // Send events to update the sub-features by the solver.
432 if(isUpdateFlushed) {
433 Events_Loop::loop()->setFlushed(anUpdateEvent, true);
437 void SketchPlugin_ConstraintFillet::attributeChanged(const std::string& theID)
439 if(theID == SketchPlugin_Constraint::ENTITY_A()) {
440 if(myListOfPointsChangedInCode) {
444 // Clear the list of fillet entities.
445 AttributeRefListPtr aResultEdgesRefList = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
446 data()->attribute(SketchPlugin_Constraint::ENTITY_B()));
447 aResultEdgesRefList->clear();
449 // Clear the list of base points.
450 AttributeRefAttrListPtr aBasePointsRefAttrList = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
451 data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
452 aBasePointsRefAttrList->clear();
454 // Clear auxiliary flag on initial objects.
455 std::list<FeaturePtr>::const_iterator aFeatureIt;
456 for(aFeatureIt = myBaseEdges.cbegin(); aFeatureIt != myBaseEdges.cend(); ++aFeatureIt) {
457 (*aFeatureIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
461 // Remove all produced objects and constraints.
462 DocumentPtr aDoc = sketch()->document();
463 for(aFeatureIt = myProducedFeatures.cbegin(); aFeatureIt != myProducedFeatures.cend(); ++aFeatureIt) {
464 aDoc->removeFeature(*aFeatureIt);
466 myProducedFeatures.clear();
468 // Get list of points for fillets and current radius.
469 AttributeRefAttrListPtr aRefListOfFilletPoints = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
470 data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
471 AttributeDoublePtr aRadiusAttribute = real(SketchPlugin_Constraint::VALUE());
472 int aListSize = aRefListOfFilletPoints->size();
473 if(aListSize == 0 && !myRadiusChangedByUser) {
474 // If list is empty just reset radius to zero (if it was not changed by user).
475 myRadiusChangedInCode = true;
476 aRadiusAttribute->setValue(0);
477 myRadiusChangedInCode = false;
481 // Iterate over points to get base lines an calculate radius for fillets.
482 double aMinimumRadius = 0;
483 std::list<std::pair<ObjectPtr, AttributePtr>> aSelectedPointsList = aRefListOfFilletPoints->list();
484 std::list<std::pair<ObjectPtr, AttributePtr>>::iterator anIter = aSelectedPointsList.begin();
485 std::set<AttributePtr> aBasePoints;
486 for(int anIndex = 0; anIndex < aListSize; anIndex++, anIter++) {
487 AttributePtr aFilletPointAttr = (*anIter).second;
488 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2D =
489 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFilletPointAttr);
490 if(!aFilletPoint2D.get()) {
491 setError("Error: One of the selected points is invalid.");
495 // If point or coincident point is already in list remove it from attribute.
496 if(aBasePoints.find(aFilletPointAttr) != aBasePoints.end()) {
497 myListOfPointsChangedInCode = true;
498 aRefListOfFilletPoints->remove(aFilletPointAttr);
499 myListOfPointsChangedInCode = false;
503 // Obtain constraint coincidence for the fillet point.
504 FeaturePtr aConstraintCoincidence;
505 const std::set<AttributePtr>& aRefsList = aFilletPointAttr->owner()->data()->refsToMe();
506 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
507 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
508 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
509 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
510 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
511 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
512 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
513 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
514 if(anAttrRefA.get()) {
515 AttributePtr anAttrA = anAttrRefA->attr();
516 if(aFilletPointAttr == anAttrA) {
517 aConstraintCoincidence = aConstrFeature;
521 if(anAttrRefB.get()) {
522 AttributePtr anAttrB = anAttrRefB->attr();
523 if(aFilletPointAttr == anAttrB) {
524 aConstraintCoincidence = aConstrFeature;
531 if(!aConstraintCoincidence.get()) {
532 setError("Error: No coincident edges at one of the selected points.");
536 // Get coincides from constraint.
537 std::set<FeaturePtr> aCoincides;
540 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
541 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
543 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
544 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
547 // Remove points from set of coincides. Also get all attributes which is equal to this point to exclude it.
548 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
549 std::set<FeaturePtr> aNewSetOfCoincides;
550 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
551 std::string aFeatureKind = (*anIt)->getKind();
552 if(aFeatureKind == SketchPlugin_Point::ID()) {
553 AttributePtr anAttr = (*anIt)->attribute(SketchPlugin_Point::COORD_ID());
554 std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
555 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr);
556 if(aPoint2D.get() && aFilletPnt2d->isEqual(aPoint2D->pnt())) {
557 aBasePoints.insert(anAttr);
559 } else if(aFeatureKind == SketchPlugin_Line::ID()) {
560 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Line::START_ID());
561 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
562 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
563 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
564 aBasePoints.insert(anAttrStart);
566 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Line::END_ID());
567 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
568 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
569 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
570 aBasePoints.insert(anAttrEnd);
572 aNewSetOfCoincides.insert(*anIt);
573 } else if(aFeatureKind == SketchPlugin_Arc::ID() ) {
574 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Arc::START_ID());
575 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
576 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
577 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
578 aBasePoints.insert(anAttrStart);
580 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Arc::END_ID());
581 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
582 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
583 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
584 aBasePoints.insert(anAttrEnd);
586 aNewSetOfCoincides.insert(*anIt);
589 aCoincides = aNewSetOfCoincides;
591 // If we still have more than two coincides remove auxilary entities from set of coincides.
592 if(aCoincides.size() > 2) {
593 aNewSetOfCoincides.clear();
594 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
595 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
596 aNewSetOfCoincides.insert(*anIt);
599 aCoincides = aNewSetOfCoincides;
602 if(aCoincides.size() != 2) {
603 setError("Error: One of the selected points does not have two suitable edges for fillet.");
607 // Store base point for fillet.
608 aBasePoints.insert(aFilletPointAttr);
609 aBasePointsRefAttrList->append(aFilletPointAttr);
611 // Get base lines for fillet.
612 FeaturePtr anOldFeatureA, anOldFeatureB;
613 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
614 anOldFeatureA = *aLinesIt++;
615 anOldFeatureB = *aLinesIt;
617 // Getting radius value if it was not changed by user.
618 if(!myRadiusChangedByUser) {
619 // Getting points located at 1/3 of edge length from fillet point.
620 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
621 std::shared_ptr<GeomAPI_Pnt2d> aPntA, aPntB;
622 getPointOnEdge(anOldFeatureA, aFilletPnt2d, aPntA);
623 getPointOnEdge(anOldFeatureB, aFilletPnt2d, aPntB);
625 /// Getting distances.
626 double aDistanceA = getProjectionDistance(anOldFeatureB, aPntA);
627 double aDistanceB = getProjectionDistance(anOldFeatureA, aPntB);
628 double aRadius = aDistanceA < aDistanceB ? aDistanceA / 2.0 : aDistanceB / 2.0;
629 aMinimumRadius = aMinimumRadius == 0 ? aRadius : aRadius < aMinimumRadius ? aRadius : aMinimumRadius;
633 // Set new default radius if it was not changed by user.
634 if(!myRadiusChangedByUser) {
635 myRadiusChangedInCode = true;
636 aRadiusAttribute->setValue(aMinimumRadius);
637 myRadiusChangedInCode = false;
640 } else if(theID == SketchPlugin_Constraint::VALUE()) {
641 if(!myRadiusChangedInCode) {
642 myRadiusChangedByUser = true;
647 AISObjectPtr SketchPlugin_ConstraintFillet::getAISObject(AISObjectPtr thePrevious)
652 AISObjectPtr anAIS = thePrevious;
653 /// TODO: Equal constraint presentation should be put here
657 bool SketchPlugin_ConstraintFillet::isMacro() const
663 // ========= Auxiliary functions =================
664 void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
665 FeaturePtr theFeature, const std::string& theFeatureAttribute)
667 std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
668 theNewArc->attribute(theNewArcAttribute))->pnt();
669 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
670 theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
673 /// \brief Find intersections of lines shifted along normal direction
674 void possibleFilletCenterLineLine(
675 std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
676 std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
677 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
679 std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
680 std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
681 std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
682 double aDet = theDirA->cross(theDirB);
683 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
684 aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
685 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
686 aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
687 double aVX = aDirAT->xy()->dot(aPntA);
688 double aVY = aDirBT->xy()->dot(aPntB);
689 std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
690 (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
691 (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
692 theCenters.push_back(aPoint);
697 /// \brief Find intersections of line shifted along normal direction in both sides
698 /// and a circle with extended radius
699 void possibleFilletCenterLineArc(
700 std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
701 std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
702 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
704 std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
705 std::shared_ptr<GeomAPI_XY> aPnt;
706 double aDirNorm2 = theDirLine->dot(theDirLine);
708 double aDirX = theDirLine->x();
709 double aDirX2 = theDirLine->x() * theDirLine->x();
710 double aDirY2 = theDirLine->y() * theDirLine->y();
711 double aDirXY = theDirLine->x() * theDirLine->y();
712 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
713 aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
714 double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
715 double aCoeff2 = aCoeff * aCoeff;
716 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
717 aRad = theRadiusArc + aStepB * theRadius;
718 double aD = aRad * aRad * aDirNorm2 - aCoeff2;
721 double aDs = sqrt(aD);
722 double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
723 double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
724 double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
725 aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
726 double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
727 aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
729 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
730 theCenters.push_back(aPoint1);
731 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
732 theCenters.push_back(aPoint2);
737 /// \brief Find intersections of two circles with extended radii
738 void possibleFilletCenterArcArc(
739 std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
740 std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
741 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
743 std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
744 double aCenterDist2 = aCenterDir->dot(aCenterDir);
745 double aCenterDist = sqrt(aCenterDist2);
748 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
749 aRadA = theRadiusA + aStepA * theRadius;
750 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
751 aRadB = theRadiusB + aStepB * theRadius;
752 if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
753 continue; // there is no intersections
755 double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
756 double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
758 double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
759 double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
761 double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
762 double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
764 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
765 theCenters.push_back(aPoint1);
766 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
767 theCenters.push_back(aPoint2);
772 void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
773 double theRadius, bool theNotInversed[2],
774 std::shared_ptr<GeomAPI_XY>& theCenter,
775 std::shared_ptr<GeomAPI_XY>& theTangentA,
776 std::shared_ptr<GeomAPI_XY>& theTangentB)
778 static const int aNbFeatures = 2;
779 FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
780 std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
781 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
783 for (int i = 0; i < aNbFeatures; i++) {
784 if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
785 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
786 aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
787 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
788 aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
789 } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
790 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
791 aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
792 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
793 aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
794 aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
795 aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
798 aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
799 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
800 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
801 aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
802 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
803 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
806 if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
807 theFeatureB->getKind() == SketchPlugin_Line::ID()) {
808 std::shared_ptr<GeomAPI_Dir2d> aDir[2];
809 std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
810 for (int i = 0; i < aNbFeatures; i++) {
811 aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
812 aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
815 // get and filter possible centers
816 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
817 possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
819 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
820 for (; anIt != aSuspectCenters.end(); anIt++) {
821 aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
822 theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
823 if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
824 continue; // incorrect position
825 aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
826 theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
827 if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
828 continue; // incorrect position
829 // the center is found, stop searching
833 } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
834 theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
835 (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
836 theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
837 int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
838 double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
839 std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
840 new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
841 std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
842 new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
844 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
845 new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
846 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
847 new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
848 double anArcAngle = aEndArcDir->angle(aStartArcDir);
850 // get possible centers and filter them
851 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
852 possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
854 // the line is forward into the arc
855 double innerArc = aCenter[1-aLineInd]->decreased(aStart[aLineInd])->dot(aDirLine->xy());
856 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
857 // The possible centers are ranged by their positions.
858 // If the point is not satisfy one of criteria, the weight is decreased with penalty.
860 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
861 for (; anIt != aSuspectCenters.end(); anIt++) {
863 aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
864 aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
865 // Check the point is placed on the correct arc (penalty if false)
866 if (aCenter[1-aLineInd]->distance(*anIt) * innerArc > anArcRadius * innerArc)
868 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
869 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
870 double aCurAngle = aCurDir->angle(aStartArcDir);
871 if (anArcAngle < 0.0) aCurAngle *= -1.0;
872 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
874 if (aWeight > aBestWeight)
875 aBestWeight = aWeight;
876 else if (aWeight < aBestWeight ||
877 aStart[aLineInd]->distance(*anIt) >
878 aStart[aLineInd]->distance(theCenter)) // <-- take closer point
880 // the center is found, stop searching
882 anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
883 if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
884 theTangentA = aLineTgPoint;
885 theTangentB = anArcTgPoint;
887 theTangentA = anArcTgPoint;
888 theTangentB = aLineTgPoint;
892 } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
893 theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
894 double anArcRadius[aNbFeatures];
895 double anArcAngle[aNbFeatures];
896 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
897 for (int i = 0; i < aNbFeatures; i++) {
898 anArcRadius[i] = aStart[i]->distance(aCenter[i]);
899 aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
900 new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
901 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
902 new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
903 anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
906 // get and filter possible centers
907 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
908 possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
910 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
911 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
912 for (; anIt != aSuspectCenters.end(); anIt++) {
913 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
914 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
915 double aCurAngle = aCurDir->angle(aStartArcDir[0]);
916 if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
917 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
918 continue; // incorrect position
919 theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
921 aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
922 aCurAngle = aCurDir->angle(aStartArcDir[1]);
923 if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
924 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
925 continue; // incorrect position
926 theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
928 // the center is found, stop searching
935 void getPointOnEdge(const FeaturePtr theFeature,
936 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
937 std::shared_ptr<GeomAPI_Pnt2d>& thePoint) {
938 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
939 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
940 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
941 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
942 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
943 if(aPntStart->distance(theFilletPoint) > 1.e-7) {
944 aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
945 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
946 aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
947 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
949 thePoint.reset( new GeomAPI_Pnt2d(aPntStart->xy()->added( aPntEnd->xy()->decreased( aPntStart->xy() )->multiplied(1.0 / 3.0) ) ) );
951 std::shared_ptr<GeomAPI_Pnt2d> aPntTemp;
952 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
953 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
954 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
955 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
956 if(theFeature->attribute(SketchPlugin_Arc::INVERSED_ID())) {
957 aPntTemp = aPntStart;
961 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
962 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
963 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
964 double aStartParameter(0), anEndParameter(0);
965 aCirc->parameter(aPntStart, paramTolerance, aStartParameter);
966 aCirc->parameter(aPntEnd, paramTolerance, anEndParameter);
967 if(aPntStart->distance(theFilletPoint) > tolerance) {
968 double aTmpParameter = aStartParameter;
969 aStartParameter = anEndParameter;
970 anEndParameter = aTmpParameter;
972 double aPntParameter = aStartParameter + (anEndParameter - aStartParameter) / 3.0;
973 aCirc->D0(aPntParameter, thePoint);
977 double getProjectionDistance(const FeaturePtr theFeature,
978 const std::shared_ptr<GeomAPI_Pnt2d> thePoint)
980 std::shared_ptr<GeomAPI_Pnt2d> aProjectPnt;
981 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
982 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
983 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
984 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
985 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
986 std::shared_ptr<GeomAPI_Lin2d> aLin(new GeomAPI_Lin2d(aPntStart, aPntEnd));
987 aProjectPnt = aLin->project(thePoint);
989 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
990 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
991 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
992 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
993 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
994 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
995 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
996 aProjectPnt = aCirc->project(thePoint);
998 if(aProjectPnt.get()) {
999 return aProjectPnt->distance(thePoint);
1004 std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence)
1006 std::set<FeaturePtr> aCoincides;
1008 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1009 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
1011 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1012 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
1015 // Remove points from set of coincides.
1016 std::set<FeaturePtr> aNewSetOfCoincides;
1017 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1018 if((*anIt)->getKind() == SketchPlugin_Line::ID() ||
1019 (*anIt)->getKind() == SketchPlugin_Arc::ID() ) {
1020 aNewSetOfCoincides.insert(*anIt);
1023 aCoincides = aNewSetOfCoincides;
1025 // If we still have more than two coincides remove auxilary entities from set of coincides.
1026 if(aCoincides.size() > 2) {
1027 aNewSetOfCoincides.clear();
1028 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1029 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
1030 aNewSetOfCoincides.insert(*anIt);
1033 aCoincides = aNewSetOfCoincides;