1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: SketchPlugin_ConstraintSplit.cpp
4 // Created: 17 Jul 2016
5 // Author: Natalia ERMOLAEVA
7 #include "SketchPlugin_ConstraintSplit.h"
9 //#include <GeomAPI_Circ2d.h>
10 //#include <GeomAPI_Dir2d.h>
11 //#include <GeomAPI_Lin2d.h>
12 //#include <GeomAPI_Pnt2d.h>
13 //#include <GeomAPI_XY.h>
14 //#include <GeomDataAPI_Point2D.h>
15 //#include <ModelAPI_AttributeDouble.h>
16 #include <ModelAPI_AttributeReference.h>
17 //#include <ModelAPI_AttributeRefList.h>
18 //#include <ModelAPI_AttributeRefAttrList.h>
19 //#include <ModelAPI_Data.h>
20 //#include <ModelAPI_Events.h>
21 //#include <ModelAPI_Session.h>
22 //#include <ModelAPI_Validator.h>
24 //#include <SketchPlugin_Arc.h>
25 //#include <SketchPlugin_Line.h>
26 //#include <SketchPlugin_Point.h>
27 //#include <SketchPlugin_Sketch.h>
28 //#include <SketchPlugin_ConstraintCoincidence.h>
29 //#include <SketchPlugin_ConstraintTangent.h>
30 //#include <SketchPlugin_ConstraintRadius.h>
31 //#include <SketchPlugin_Tools.h>
33 //#include <Events_Loop.h>
37 //const double tolerance = 1.e-7;
38 //const double paramTolerance = 1.e-4;
40 ///// \brief Attract specified point on theNewArc to the attribute of theFeature
41 //static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
42 // FeaturePtr theFeature, const std::string& theFeatureAttribute);
44 ///// \brief Calculates center of fillet arc and coordinates of tangency points
45 //static void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
46 // double theRadius, bool theNotInversed[2],
47 // std::shared_ptr<GeomAPI_XY>& theCenter,
48 // std::shared_ptr<GeomAPI_XY>& theTangentA,
49 // std::shared_ptr<GeomAPI_XY>& theTangentB);
51 ///// Get point on 1/3 length of edge from fillet point
52 //static void getPointOnEdge(const FeaturePtr theFeature,
53 // const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
54 // std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
56 ///// Get distance from point to feature
57 //static double getProjectionDistance(const FeaturePtr theFeature,
58 // const std::shared_ptr<GeomAPI_Pnt2d> thePoint);
60 ///// Get coincide edges for fillet
61 //static std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence);
63 SketchPlugin_ConstraintSplit::SketchPlugin_ConstraintSplit()
64 //: myListOfPointsChangedInCode(false),
65 // myRadiusChangedByUser(false),
66 // myRadiusChangedInCode(false),
67 // myRadiusInitialized(false)
71 void SketchPlugin_ConstraintSplit::initAttributes()
73 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeReference::typeId());
75 //data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
76 //data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttrList::typeId());
79 void SketchPlugin_ConstraintSplit::execute()
81 /* std::shared_ptr<ModelAPI_Data> aData = data();
83 // Check the base objects are initialized.
84 AttributeRefAttrListPtr aPointsRefList = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
85 aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
86 if(!aPointsRefList->isInitialized()) {
87 setError("Error: List of points is not initialized.");
92 double aFilletRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
93 aData->attribute(SketchPlugin_Constraint::VALUE()))->value();
95 // Wait all constraints being created, then send update events
96 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
97 bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
99 Events_Loop::loop()->setFlushed(anUpdateEvent, false);
101 for(std::set<AttributePtr>::iterator aPointsIter = myNewPoints.begin();
102 aPointsIter != myNewPoints.end();
104 AttributePtr aPointAttr = *aPointsIter;
105 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2d = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aPointAttr);
106 if(!aFilletPoint2d.get()) {
107 setError("Error: One of the selected points is empty.");
110 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2d->pnt();
112 // Obtain base lines for fillet.
113 bool anIsNeedNewObjects = true;
114 FilletFeatures aFilletFeatures;
115 std::map<AttributePtr, FilletFeatures>::iterator aPrevPointsIter = myPointFeaturesMap.find(aPointAttr);
116 if(aPrevPointsIter != myPointFeaturesMap.end()) {
117 anIsNeedNewObjects = false;
118 aFilletFeatures = aPrevPointsIter->second;
120 FeaturePtr aBaseEdgeA, aBaseEdgeB;
121 if(!anIsNeedNewObjects) {
122 aBaseEdgeA = aFilletFeatures.baseEdgesState.front().first;
123 aBaseEdgeB = aFilletFeatures.baseEdgesState.back().first;
125 // Obtain constraint coincidence for the fillet point.
126 FeaturePtr aConstraintCoincidence;
127 const std::set<AttributePtr>& aRefsList = aFilletPoint2d->owner()->data()->refsToMe();
128 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
129 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
130 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
131 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
132 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
133 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
134 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
135 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
136 if(anAttrRefA.get() && !anAttrRefA->isObject()) {
137 AttributePtr anAttrA = anAttrRefA->attr();
138 if(aFilletPoint2d == anAttrA) {
139 aConstraintCoincidence = aConstrFeature;
143 if(anAttrRefB.get() && !anAttrRefB->isObject()) {
144 AttributePtr anAttrB = anAttrRefB->attr();
145 if(aFilletPoint2d == anAttrB) {
146 aConstraintCoincidence = aConstrFeature;
153 if(!aConstraintCoincidence.get()) {
154 setError("Error: No coincident edges at one of the selected points.");
158 // Get coincide edges.
159 std::set<FeaturePtr> aCoincides = getCoincides(aConstraintCoincidence);
160 if(aCoincides.size() != 2) {
161 setError("Error: One of the selected points does not have two suitable edges for fillet.");
165 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
166 aBaseEdgeA = *aLinesIt++;
167 aBaseEdgeB = *aLinesIt;
169 std::pair<FeaturePtr, bool> aBasePairA = std::make_pair(aBaseEdgeA, aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value());
170 std::pair<FeaturePtr, bool> aBasePairB = std::make_pair(aBaseEdgeB, aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value());
171 aFilletFeatures.baseEdgesState.push_back(aBasePairA);
172 aFilletFeatures.baseEdgesState.push_back(aBasePairB);
175 if(!aBaseEdgeA.get() || !aBaseEdgeB.get()) {
176 setError("Error: One of the base edges is empty.");
180 // Create new edges and arc if needed.
181 FeaturePtr aResultEdgeA, aResultEdgeB, aResultArc;
182 if(!anIsNeedNewObjects) {
183 // Obtain features from the list.
184 std::list<FeaturePtr>::iterator aResultEdgesIt = aFilletFeatures.resultEdges.begin();
185 aResultEdgeA = *aResultEdgesIt++;
186 aResultEdgeB = *aResultEdgesIt++;
187 aResultArc = *aResultEdgesIt;
189 // Copy edges and create arc.
190 aResultEdgeA = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeA, sketch());
191 aResultEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
192 aResultEdgeB = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeB, sketch());
193 aResultEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
194 aResultArc = sketch()->addFeature(SketchPlugin_Arc::ID());
196 aFilletFeatures.resultEdges.push_back(aResultEdgeA);
197 aFilletFeatures.resultEdges.push_back(aResultEdgeB);
198 aFilletFeatures.resultEdges.push_back(aResultArc);
201 // Calculate arc attributes
202 static const int aNbFeatures = 2;
203 FeaturePtr aBaseFeatures[aNbFeatures] = {aBaseEdgeA, aBaseEdgeB};
204 FeaturePtr aResultFeatures[aNbFeatures] = {aResultEdgeA, aResultEdgeB};
205 std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures]; // tangent directions of the features in coincident point
206 bool isStart[aNbFeatures]; // indicates which point the features share
207 std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2]; // first pair of points relate to first feature, second pair - to second
208 std::string aFeatAttributes[aNbFeatures * 2]; // attributes of features
209 for (int i = 0; i < aNbFeatures; i++) {
210 std::string aStartAttr, aEndAttr;
211 if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
212 aStartAttr = SketchPlugin_Line::START_ID();
213 aEndAttr = SketchPlugin_Line::END_ID();
214 } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
215 aStartAttr = SketchPlugin_Arc::START_ID();
216 aEndAttr = SketchPlugin_Arc::END_ID();
217 } else { // wrong argument
218 setError("Error: One of the points has wrong coincide feature");
221 aFeatAttributes[2*i] = aStartAttr;
222 aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
223 aBaseFeatures[i]->attribute(aStartAttr))->pnt();
224 aFeatAttributes[2*i+1] = aEndAttr;
225 aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
226 aBaseFeatures[i]->attribute(aEndAttr))->pnt();
228 for (int aFeatInd = 0; aFeatInd < aNbFeatures; aFeatInd++) {
229 for (int j = 0; j < 2; j++) // loop on start-end of each feature
230 if (aStartEndPnt[aFeatInd * aNbFeatures + j]->distance(aFilletPnt2d) < 1.e-10) {
231 isStart[aFeatInd] = (j==0);
235 // tangent directions of the features
236 for (int i = 0; i < aNbFeatures; i++) {
237 std::shared_ptr<GeomAPI_XY> aDir;
238 if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
239 aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
241 aDir = aDir->multiplied(-1.0);
242 } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
243 std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
244 aResultFeatures[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
245 aDir = isStart[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
246 aDir = aDir->decreased(aCenterPoint->xy());
248 double x = aDir->x();
249 double y = aDir->y();
252 if (isStart[i] == std::dynamic_pointer_cast<SketchPlugin_Arc>(aBaseFeatures[i])->isReversed())
253 aDir = aDir->multiplied(-1.0);
255 aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
258 // By default, the start point of fillet arc is connected to FeatureA,
259 // and the end point - to FeatureB. But when the angle between TangentDirA and
260 // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
261 double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A), where A and B - angles between corresponding tanget direction and the X axis
262 bool isReversed = cosBA > 0.0;
264 // Calculate fillet arc parameters
265 std::shared_ptr<GeomAPI_XY> aCenter, aTangentPntA, aTangentPntB;
266 calculateFilletCenter(aBaseEdgeA, aBaseEdgeB, aFilletRadius, isStart, aCenter, aTangentPntA, aTangentPntB);
267 if(!aCenter.get() || !aTangentPntA.get() || !aTangentPntB.get()) {
268 setError("Can not create fillet with the specified parameters.");
272 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
273 aResultEdgeA->attribute(aFeatAttributes[isStart[0] ? 0 : 1]))->setValue(aTangentPntA->x(), aTangentPntA->y());
274 aResultEdgeA->execute();
275 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
276 aResultEdgeB->attribute(aFeatAttributes[2 + (isStart[1] ? 0 : 1)]))->setValue(aTangentPntB->x(), aTangentPntB->y());
277 aResultEdgeB->execute();
278 // update fillet arc: make the arc correct for sure, so, it is not needed to process the "attribute updated"
279 // by arc; moreover, it may cause cyclicity in hte mechanism of updater
280 aResultArc->data()->blockSendAttributeUpdated(true);
281 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
282 aResultArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(aCenter->x(), aCenter->y());
284 std::shared_ptr<GeomAPI_XY> aTmp = aTangentPntA;
285 aTangentPntA = aTangentPntB;
288 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
289 aResultArc->attribute(SketchPlugin_Arc::START_ID()));
290 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
291 aResultArc->attribute(SketchPlugin_Arc::END_ID()));
292 if(aStartPoint->isInitialized() && aEndPoint->isInitialized() &&
293 (aStartPoint->pnt()->xy()->distance(aTangentPntA) > tolerance ||
294 aEndPoint->pnt()->xy()->distance(aTangentPntB) > tolerance)) {
295 std::dynamic_pointer_cast<SketchPlugin_Arc>(aResultArc)->setReversed(false);
297 aStartPoint->setValue(aTangentPntA->x(), aTangentPntA->y());
298 aEndPoint->setValue(aTangentPntB->x(), aTangentPntB->y());
299 aResultArc->data()->blockSendAttributeUpdated(false);
300 aResultArc->execute();
302 if(anIsNeedNewObjects) {
303 // Create list of additional constraints:
304 // 1. Coincidence of boundary points of features (copied lines/arcs) and fillet arc
306 FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
307 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
308 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
309 aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::START_ID()));
310 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
311 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
312 int aFeatInd = isReversed ? 1 : 0;
313 int anAttrInd = (isReversed ? 2 : 0) + (isStart[isReversed ? 1 : 0] ? 0 : 1);
314 aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
315 recalculateAttributes(aResultArc, SketchPlugin_Arc::START_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
316 aConstraint->execute();
317 aFilletFeatures.resultConstraints.push_back(aConstraint);
318 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
320 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
321 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
322 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
323 aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::END_ID()));
324 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
325 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
326 aFeatInd = isReversed ? 0 : 1;
327 anAttrInd = (isReversed ? 0 : 2) + (isStart[isReversed ? 0 : 1] ? 0 : 1);
328 aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
329 recalculateAttributes(aResultArc, SketchPlugin_Arc::END_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
330 aConstraint->execute();
331 aFilletFeatures.resultConstraints.push_back(aConstraint);
332 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
333 // 2. Fillet arc radius
334 //aConstraint = sketch()->addFeature(SketchPlugin_ConstraintRadius::ID());
335 //aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
336 // aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
337 //aRefAttr->setObject(aNewArc->lastResult());
338 //std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
339 // aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aFilletRadius);
340 //std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
341 // aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->setValue(
342 // isStart[0] ? aStartEndPnt[0] : aStartEndPnt[1]);
343 //aConstraint->execute();
344 //myProducedFeatures.push_back(aConstraint);
345 //ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
346 // 3. Tangency of fillet arc and features
347 for (int i = 0; i < aNbFeatures; i++) {
348 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
349 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
350 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
351 aRefAttr->setObject(aResultArc->lastResult());
352 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
353 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
354 bool isArc = aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID();
355 aRefAttr->setObject(isArc ? aResultFeatures[i]->lastResult() : aResultFeatures[i]->firstResult());
356 aConstraint->execute();
357 aFilletFeatures.resultConstraints.push_back(aConstraint);
358 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
360 // 4. Coincidence of free boundaries of base and copied features
361 for (int i = 0; i < aNbFeatures; i++) {
362 anAttrInd = 2*i + (isStart[i] ? 1 : 0);
363 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
364 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
365 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
366 aRefAttr->setAttr(aBaseFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
367 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
368 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
369 aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
370 aFilletFeatures.resultConstraints.push_back(aConstraint);
372 // 4.1. Additional tangency constraints when the fillet is based on arcs.
373 // It is used to verify the created arc will be placed on a source.
374 for (int i = 0; i < aNbFeatures; ++i) {
375 if (aResultFeatures[i]->getKind() != SketchPlugin_Arc::ID())
377 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
378 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
379 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
380 aRefAttr->setObject(aBaseFeatures[i]->lastResult());
381 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
382 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
383 aRefAttr->setObject(aResultFeatures[i]->lastResult());
384 aConstraint->execute();
385 aFilletFeatures.resultConstraints.push_back(aConstraint);
386 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
388 // 5. Tangent points should be placed on the base features
389 for (int i = 0; i < aNbFeatures; i++) {
390 anAttrInd = 2*i + (isStart[i] ? 0 : 1);
391 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
392 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
393 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
394 aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
395 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
396 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
397 aRefAttr->setObject(aBaseFeatures[i]->lastResult());
398 aFilletFeatures.resultConstraints.push_back(aConstraint);
400 // make base features auxiliary
401 aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
402 aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
404 // exchange the naming IDs of newly created and old line that become auxiliary
405 sketch()->exchangeIDs(aBaseEdgeA, aResultEdgeA);
406 sketch()->exchangeIDs(aBaseEdgeB, aResultEdgeB);
408 // store point and features in the map.
409 myPointFeaturesMap[aPointAttr] = aFilletFeatures;
411 // Update radius value
412 int aNbSubs = sketch()->numberOfSubs();
413 FeaturePtr aSubFeature;
414 for (int aSub = 0; aSub < aNbSubs; aSub++) {
415 aSubFeature = sketch()->subFeature(aSub);
416 if (aSubFeature->getKind() != SketchPlugin_ConstraintRadius::ID())
418 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
419 aSubFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
420 if (!aRefAttr || !aRefAttr->isObject())
422 FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
423 if (aFeature == aResultArc) {
424 AttributeDoublePtr aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
425 aSubFeature->attribute(SketchPlugin_Constraint::VALUE()));
426 aRadius->setValue(aFilletRadius);
433 // Send events to update the sub-features by the solver.
434 if(isUpdateFlushed) {
435 Events_Loop::loop()->setFlushed(anUpdateEvent, true);
440 void SketchPlugin_ConstraintSplit::attributeChanged(const std::string& theID)
442 /* if(theID == SketchPlugin_Constraint::ENTITY_A()) {
443 if(myListOfPointsChangedInCode) {
450 // Clear list of new points.
453 // Get list of points for fillets and current radius.
454 AttributeRefAttrListPtr aRefListOfFilletPoints = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
455 data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
456 AttributeDoublePtr aRadiusAttribute = real(VALUE());
457 int aListSize = aRefListOfFilletPoints->size();
458 if(aListSize == 0 && !myRadiusChangedByUser) {
459 // If list is empty reset radius to zero (if it was not changed by user).
460 myRadiusChangedInCode = true;
461 aRadiusAttribute->setValue(0);
462 myRadiusChangedInCode = false;
466 // Iterate over points to get base lines an calculate radius for fillets.
467 double aMinimumRadius = 0;
468 std::list<std::pair<ObjectPtr, AttributePtr>> aSelectedPointsList = aRefListOfFilletPoints->list();
469 std::list<std::pair<ObjectPtr, AttributePtr>>::iterator anIter = aSelectedPointsList.begin();
470 std::set<AttributePtr> aPointsToSkeep;
471 for(int anIndex = 0; anIndex < aListSize; anIndex++, anIter++) {
472 AttributePtr aFilletPointAttr = (*anIter).second;
473 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2D =
474 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFilletPointAttr);
475 if(!aFilletPoint2D.get()) {
477 setError("Error: One of the selected points is invalid.");
481 // If point or coincident point is already in list remove it from attribute.
482 if(aPointsToSkeep.find(aFilletPointAttr) != aPointsToSkeep.end()) {
483 myListOfPointsChangedInCode = true;
484 aRefListOfFilletPoints->remove(aFilletPointAttr);
485 myListOfPointsChangedInCode = false;
489 // Obtain constraint coincidence for the fillet point.
490 FeaturePtr aConstraintCoincidence;
491 const std::set<AttributePtr>& aRefsList = aFilletPointAttr->owner()->data()->refsToMe();
492 for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
493 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
494 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
495 if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
496 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
497 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
498 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
499 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
500 if(anAttrRefA.get()) {
501 AttributePtr anAttrA = anAttrRefA->attr();
502 if(aFilletPointAttr == anAttrA) {
503 aConstraintCoincidence = aConstrFeature;
507 if(anAttrRefB.get()) {
508 AttributePtr anAttrB = anAttrRefB->attr();
509 if(aFilletPointAttr == anAttrB) {
510 aConstraintCoincidence = aConstrFeature;
517 if(!aConstraintCoincidence.get()) {
519 setError("Error: No coincident edges at one of the selected points.");
523 // Get coincides from constraint.
524 std::set<FeaturePtr> aCoincides;
527 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
528 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
530 SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
531 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
534 // Remove points from set of coincides. Also get all attributes which is equal to this point to exclude it.
535 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
536 std::set<FeaturePtr> aNewSetOfCoincides;
537 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
538 std::string aFeatureKind = (*anIt)->getKind();
539 if(aFeatureKind == SketchPlugin_Point::ID()) {
540 AttributePtr anAttr = (*anIt)->attribute(SketchPlugin_Point::COORD_ID());
541 std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
542 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr);
543 if(aPoint2D.get() && aFilletPnt2d->isEqual(aPoint2D->pnt())) {
544 aPointsToSkeep.insert(anAttr);
546 } else if(aFeatureKind == SketchPlugin_Line::ID()) {
547 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Line::START_ID());
548 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
549 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
550 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
551 aPointsToSkeep.insert(anAttrStart);
553 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Line::END_ID());
554 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
555 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
556 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
557 aPointsToSkeep.insert(anAttrEnd);
559 aNewSetOfCoincides.insert(*anIt);
560 } else if(aFeatureKind == SketchPlugin_Arc::ID() ) {
561 AttributePtr anAttrCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
562 std::shared_ptr<GeomDataAPI_Point2D> aPointCenter2D =
563 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrCenter);
564 if(aPointCenter2D.get() && aFilletPnt2d->isEqual(aPointCenter2D->pnt())) {
565 aPointsToSkeep.insert(anAttrCenter);
568 AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Arc::START_ID());
569 std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
570 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
571 if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
572 aPointsToSkeep.insert(anAttrStart);
574 AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Arc::END_ID());
575 std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
576 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
577 if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
578 aPointsToSkeep.insert(anAttrEnd);
580 aNewSetOfCoincides.insert(*anIt);
583 aCoincides = aNewSetOfCoincides;
585 // If we still have more than two coincides remove auxilary entities from set of coincides.
586 if(aCoincides.size() > 2) {
587 aNewSetOfCoincides.clear();
588 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
589 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
590 aNewSetOfCoincides.insert(*anIt);
593 aCoincides = aNewSetOfCoincides;
596 if(aCoincides.size() != 2) {
598 setError("Error: One of the selected points does not have two suitable edges for fillet.");
602 // Store base point for fillet.
603 aPointsToSkeep.insert(aFilletPointAttr);
604 myNewPoints.insert(aFilletPointAttr);
606 // Get base lines for fillet.
607 FeaturePtr anOldFeatureA, anOldFeatureB;
608 std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
609 anOldFeatureA = *aLinesIt++;
610 anOldFeatureB = *aLinesIt;
612 // Getting radius value if it was not changed by user.
613 if(!myRadiusChangedByUser) {
614 // Getting points located at 1/3 of edge length from fillet point.
615 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
616 std::shared_ptr<GeomAPI_Pnt2d> aPntA, aPntB;
617 getPointOnEdge(anOldFeatureA, aFilletPnt2d, aPntA);
618 getPointOnEdge(anOldFeatureB, aFilletPnt2d, aPntB);
620 /// Getting distances.
621 double aDistanceA = getProjectionDistance(anOldFeatureB, aPntA);
622 double aDistanceB = getProjectionDistance(anOldFeatureA, aPntB);
623 double aRadius = aDistanceA < aDistanceB ? aDistanceA / 2.0 : aDistanceB / 2.0;
624 aMinimumRadius = aMinimumRadius == 0 ? aRadius : aRadius < aMinimumRadius ? aRadius : aMinimumRadius;
628 // Set new default radius if it was not changed by user.
629 if(!myRadiusChangedByUser) {
630 myRadiusChangedInCode = true;
631 aRadiusAttribute->setValue(aMinimumRadius);
632 myRadiusChangedInCode = false;
635 } else if(theID == SketchPlugin_Constraint::VALUE()) {
636 if(myRadiusInitialized && !myRadiusChangedInCode) {
637 myRadiusChangedByUser = true;
639 if(!myRadiusInitialized) {
640 myRadiusInitialized = true;
646 //AISObjectPtr SketchPlugin_ConstraintSplit::getAISObject(AISObjectPtr thePrevious)
649 // return thePrevious;
651 // AISObjectPtr anAIS = thePrevious;
652 // /// TODO: Equal constraint presentation should be put here
656 bool SketchPlugin_ConstraintSplit::isMacro() const
661 //void SketchPlugin_ConstraintSplit::clearResults()
663 ///* // Clear auxiliary flag on initial objects.
664 // for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
665 // aPointsIter != myPointFeaturesMap.end();) {
666 // const FilletFeatures& aFilletFeatures = aPointsIter->second;
667 // std::list<std::pair<FeaturePtr, bool>>::const_iterator aFeatureIt;
668 // for(aFeatureIt = aFilletFeatures.baseEdgesState.cbegin();
669 // aFeatureIt != aFilletFeatures.baseEdgesState.cend();
671 // aFeatureIt->first->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(aFeatureIt->second);
676 // // And remove all produced features.
677 // DocumentPtr aDoc = sketch()->document();
678 // for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
679 // aPointsIter != myPointFeaturesMap.end();) {
680 // // Remove all produced constraints.
681 // const FilletFeatures& aFilletFeatures = aPointsIter->second;
682 // std::list<FeaturePtr>::const_iterator aFeatureIt;
683 // for(aFeatureIt = aFilletFeatures.resultConstraints.cbegin();
684 // aFeatureIt != aFilletFeatures.resultConstraints.cend();
686 // aDoc->removeFeature(*aFeatureIt);
689 // // Remove all result edges.
690 // for(aFeatureIt = aFilletFeatures.resultEdges.cbegin();
691 // aFeatureIt != aFilletFeatures.resultEdges.cend();
693 // aDoc->removeFeature(*aFeatureIt);
696 // // Remove point from map.
697 // myPointFeaturesMap.erase(aPointsIter++);
703 //// ========= Auxiliary functions =================
704 //void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
705 // FeaturePtr theFeature, const std::string& theFeatureAttribute)
707 // std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
708 // theNewArc->attribute(theNewArcAttribute))->pnt();
709 // std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
710 // theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
713 /*/// \brief Find intersections of lines shifted along normal direction
714 void possibleFilletCenterLineLine(
715 std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
716 std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
717 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
719 std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
720 std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
721 std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
722 double aDet = theDirA->cross(theDirB);
723 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
724 aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
725 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
726 aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
727 double aVX = aDirAT->xy()->dot(aPntA);
728 double aVY = aDirBT->xy()->dot(aPntB);
729 std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
730 (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
731 (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
732 theCenters.push_back(aPoint);
737 /// \brief Find intersections of line shifted along normal direction in both sides
738 /// and a circle with extended radius
739 void possibleFilletCenterLineArc(
740 std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
741 std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
742 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
744 std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
745 std::shared_ptr<GeomAPI_XY> aPnt;
746 double aDirNorm2 = theDirLine->dot(theDirLine);
748 double aDirX = theDirLine->x();
749 double aDirX2 = theDirLine->x() * theDirLine->x();
750 double aDirY2 = theDirLine->y() * theDirLine->y();
751 double aDirXY = theDirLine->x() * theDirLine->y();
752 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
753 aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
754 double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
755 double aCoeff2 = aCoeff * aCoeff;
756 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
757 aRad = theRadiusArc + aStepB * theRadius;
758 double aD = aRad * aRad * aDirNorm2 - aCoeff2;
761 double aDs = sqrt(aD);
762 double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
763 double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
764 double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
765 aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
766 double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
767 aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
769 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
770 theCenters.push_back(aPoint1);
771 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
772 theCenters.push_back(aPoint2);
777 /// \brief Find intersections of two circles with extended radii
778 void possibleFilletCenterArcArc(
779 std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
780 std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
781 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
783 std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
784 double aCenterDist2 = aCenterDir->dot(aCenterDir);
785 double aCenterDist = sqrt(aCenterDist2);
788 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
789 aRadA = theRadiusA + aStepA * theRadius;
790 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
791 aRadB = theRadiusB + aStepB * theRadius;
792 if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
793 continue; // there is no intersections
795 double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
796 double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
798 double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
799 double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
801 double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
802 double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
804 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
805 theCenters.push_back(aPoint1);
806 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
807 theCenters.push_back(aPoint2);
812 void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
813 double theRadius, bool theNotInversed[2],
814 std::shared_ptr<GeomAPI_XY>& theCenter,
815 std::shared_ptr<GeomAPI_XY>& theTangentA,
816 std::shared_ptr<GeomAPI_XY>& theTangentB)
818 static const int aNbFeatures = 2;
819 FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
820 std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
821 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
823 for (int i = 0; i < aNbFeatures; i++) {
824 if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
825 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
826 aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
827 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
828 aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
829 } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
830 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
831 aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
832 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
833 aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
834 aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
835 aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
838 aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
839 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
840 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
841 aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
842 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
843 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
846 if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
847 theFeatureB->getKind() == SketchPlugin_Line::ID()) {
848 std::shared_ptr<GeomAPI_Dir2d> aDir[2];
849 std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
850 for (int i = 0; i < aNbFeatures; i++) {
851 aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
852 aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
855 // get and filter possible centers
856 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
857 possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
859 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
860 for (; anIt != aSuspectCenters.end(); anIt++) {
861 aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
862 theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
863 if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
864 continue; // incorrect position
865 aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
866 theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
867 if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
868 continue; // incorrect position
869 // the center is found, stop searching
873 } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
874 theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
875 (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
876 theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
877 int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
878 double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
879 std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
880 new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
881 std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
882 new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
884 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
885 new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
886 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
887 new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
888 double anArcAngle = aEndArcDir->angle(aStartArcDir);
890 // get possible centers and filter them
891 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
892 possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
894 // the line is forward into the arc
895 double innerArc = aCenter[1-aLineInd]->decreased(aStart[aLineInd])->dot(aDirLine->xy());
896 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
897 // The possible centers are ranged by their positions.
898 // If the point is not satisfy one of criteria, the weight is decreased with penalty.
900 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
901 for (; anIt != aSuspectCenters.end(); anIt++) {
903 aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
904 aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
905 // Check the point is placed on the correct arc (penalty if false)
906 if (aCenter[1-aLineInd]->distance(*anIt) * innerArc > anArcRadius * innerArc)
908 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
909 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
910 double aCurAngle = aCurDir->angle(aStartArcDir);
911 if (anArcAngle < 0.0) aCurAngle *= -1.0;
912 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
914 if (aWeight > aBestWeight)
915 aBestWeight = aWeight;
916 else if (aWeight < aBestWeight ||
917 aStart[aLineInd]->distance(*anIt) >
918 aStart[aLineInd]->distance(theCenter)) // <-- take closer point
920 // the center is found, stop searching
922 anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
923 if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
924 theTangentA = aLineTgPoint;
925 theTangentB = anArcTgPoint;
927 theTangentA = anArcTgPoint;
928 theTangentB = aLineTgPoint;
932 } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
933 theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
934 double anArcRadius[aNbFeatures];
935 double anArcAngle[aNbFeatures];
936 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
937 for (int i = 0; i < aNbFeatures; i++) {
938 anArcRadius[i] = aStart[i]->distance(aCenter[i]);
939 aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
940 new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
941 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
942 new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
943 anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
946 // get and filter possible centers
947 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
948 possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
950 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
951 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
952 for (; anIt != aSuspectCenters.end(); anIt++) {
953 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
954 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
955 double aCurAngle = aCurDir->angle(aStartArcDir[0]);
956 if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
957 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
958 continue; // incorrect position
959 theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
961 aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
962 aCurAngle = aCurDir->angle(aStartArcDir[1]);
963 if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
964 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
965 continue; // incorrect position
966 theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
968 // the center is found, stop searching
975 void getPointOnEdge(const FeaturePtr theFeature,
976 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
977 std::shared_ptr<GeomAPI_Pnt2d>& thePoint) {
978 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
979 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
980 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
981 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
982 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
983 if(aPntStart->distance(theFilletPoint) > 1.e-7) {
984 aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
985 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
986 aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
987 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
989 thePoint.reset( new GeomAPI_Pnt2d(aPntStart->xy()->added( aPntEnd->xy()->decreased( aPntStart->xy() )->multiplied(1.0 / 3.0) ) ) );
991 std::shared_ptr<GeomAPI_Pnt2d> aPntTemp;
992 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
993 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
994 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
995 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
996 if(theFeature->attribute(SketchPlugin_Arc::INVERSED_ID())) {
997 aPntTemp = aPntStart;
1001 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1002 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1003 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
1004 double aStartParameter(0), anEndParameter(0);
1005 aCirc->parameter(aPntStart, paramTolerance, aStartParameter);
1006 aCirc->parameter(aPntEnd, paramTolerance, anEndParameter);
1007 if(aPntStart->distance(theFilletPoint) > tolerance) {
1008 double aTmpParameter = aStartParameter;
1009 aStartParameter = anEndParameter;
1010 anEndParameter = aTmpParameter;
1012 double aPntParameter = aStartParameter + (anEndParameter - aStartParameter) / 3.0;
1013 aCirc->D0(aPntParameter, thePoint);
1017 double getProjectionDistance(const FeaturePtr theFeature,
1018 const std::shared_ptr<GeomAPI_Pnt2d> thePoint)
1020 std::shared_ptr<GeomAPI_Pnt2d> aProjectPnt;
1021 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
1022 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1023 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
1024 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1025 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
1026 std::shared_ptr<GeomAPI_Lin2d> aLin(new GeomAPI_Lin2d(aPntStart, aPntEnd));
1027 aProjectPnt = aLin->project(thePoint);
1029 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1030 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
1031 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1032 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
1033 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1034 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1035 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
1036 aProjectPnt = aCirc->project(thePoint);
1038 if(aProjectPnt.get()) {
1039 return aProjectPnt->distance(thePoint);
1044 std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence)
1046 std::set<FeaturePtr> aCoincides;
1048 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt = SketchPlugin_Tools::getCoincidencePoint(theConstraintCoincidence);
1050 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1051 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
1053 SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1054 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
1057 // Remove points from set of coincides.
1058 std::set<FeaturePtr> aNewSetOfCoincides;
1059 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1060 if((*anIt)->getKind() == SketchPlugin_Line::ID()) {
1061 aNewSetOfCoincides.insert(*anIt);
1062 } else if((*anIt)->getKind() == SketchPlugin_Arc::ID()) {
1063 AttributePtr anAttrCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
1064 std::shared_ptr<GeomDataAPI_Point2D> aPointCenter2D =
1065 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrCenter);
1066 if(aPointCenter2D.get() && aFilletPnt->isEqual(aPointCenter2D->pnt())) {
1069 aNewSetOfCoincides.insert(*anIt);
1072 aCoincides = aNewSetOfCoincides;
1074 // If we still have more than two coincides remove auxilary entities from set of coincides.
1075 if(aCoincides.size() > 2) {
1076 aNewSetOfCoincides.clear();
1077 for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1078 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
1079 aNewSetOfCoincides.insert(*anIt);
1082 aCoincides = aNewSetOfCoincides;