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_AttributeRefAttr.h>
17 #include <ModelAPI_AttributeRefList.h>
18 #include <ModelAPI_Data.h>
19 #include <ModelAPI_Events.h>
20 #include <ModelAPI_ResultConstruction.h>
21 #include <ModelAPI_Session.h>
22 #include <ModelAPI_Validator.h>
24 #include <SketchPlugin_Arc.h>
25 #include <SketchPlugin_Line.h>
26 #include <SketchPlugin_Sketch.h>
27 #include <SketchPlugin_ConstraintCoincidence.h>
28 #include <SketchPlugin_ConstraintTangent.h>
29 #include <SketchPlugin_ConstraintRadius.h>
30 #include <SketchPlugin_Point.h>
31 #include <SketchPlugin_Tools.h>
33 #include <SketcherPrs_Factory.h>
34 #include <SketcherPrs_Tools.h>
36 #include <Config_PropManager.h>
37 #include <Events_Loop.h>
39 #define _USE_MATH_DEFINES
42 static const std::string PREVIOUS_VALUE("FilletPreviousRadius");
44 const double tolerance = 1.e-7;
45 const double paramTolerance = 1.e-4;
47 /// \brief Attract specified point on theNewArc to the attribute of theFeature
48 static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
49 FeaturePtr theFeature, const std::string& theFeatureAttribute);
51 /// \brief Calculates center of fillet arc and coordinates of tangency points
52 static void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
53 double theRadius, bool theNotInversed[2],
54 std::shared_ptr<GeomAPI_XY>& theCenter,
55 std::shared_ptr<GeomAPI_XY>& theTangentA,
56 std::shared_ptr<GeomAPI_XY>& theTangentB);
58 /// Get point on 1/3 length of edge from fillet point
59 static void getPointOnEdge(const FeaturePtr theFeature,
60 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
61 std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
63 /// Get distance from point to feature
64 static double getProjectionDistance(const FeaturePtr theFeature,
65 const std::shared_ptr<GeomAPI_Pnt2d> thePoint);
67 SketchPlugin_ConstraintFillet::SketchPlugin_ConstraintFillet()
71 void SketchPlugin_ConstraintFillet::initAttributes()
73 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
74 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
75 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefList::typeId());
76 // This attribute used to store base edges
77 data()->addAttribute(SketchPlugin_Constraint::ENTITY_C(), ModelAPI_AttributeRefList::typeId());
78 data()->addAttribute(PREVIOUS_VALUE, ModelAPI_AttributeDouble::typeId());
79 // initialize attribute not applicable for user
80 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_B());
81 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_C());
82 data()->attribute(PREVIOUS_VALUE)->setInitialized();
83 std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(PREVIOUS_VALUE))->setValue(0.0);
86 void SketchPlugin_ConstraintFillet::execute()
88 static const double aTol = 1.e-7;
90 // the viewer update should be blocked in order to avoid the temporaty fillet sub-features visualization
91 // before they are processed by the solver
92 //std::shared_ptr<Events_Message> aMsg = std::shared_ptr<Events_Message>(
93 // new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)));
94 //Events_Loop::loop()->send(aMsg);
96 std::shared_ptr<ModelAPI_Data> aData = data();
97 ResultConstructionPtr aRC;
98 // Check the base objects are initialized
99 double aFilletRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
100 aData->attribute(SketchPlugin_Constraint::VALUE()))->value();
101 AttributeRefAttrPtr aBaseA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
102 aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
103 if (!aBaseA->isInitialized() || aBaseA->isObject()) {
104 setError("Bad vertex selected");
108 // Obtain fillet point
109 std::shared_ptr<GeomDataAPI_Point2D> aBasePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aBaseA->attr());
111 setError("Bad vertex selected");
114 std::shared_ptr<GeomAPI_Pnt2d> aFilletPoint = aBasePoint->pnt();
116 // Check the fillet shapes is not initialized yet
117 AttributeRefListPtr aRefListOfFillet = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
118 aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
119 bool needNewObjects = aRefListOfFillet->size() == 0;
121 AttributeRefListPtr aRefListOfBaseLines = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
122 aData->attribute(SketchPlugin_Constraint::ENTITY_C()));
124 // Obtain base features
125 FeaturePtr anOldFeatureA, anOldFeatureB;
126 std::list<ObjectPtr> anOldFeatList = aRefListOfBaseLines->list();
127 std::list<ObjectPtr>::iterator aFeatIt = anOldFeatList.begin();
128 anOldFeatureA = ModelAPI_Feature::feature(*aFeatIt++);
129 anOldFeatureB = ModelAPI_Feature::feature(*aFeatIt);
131 if(!anOldFeatureA.get() || !anOldFeatureB.get()) {
132 setError("One of the edges is empty");
136 FeaturePtr aNewFeatureA, aNewFeatureB, aNewArc;
137 if (needNewObjects) {
138 // Create list of objects composing a fillet
140 aNewFeatureA = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(anOldFeatureA, sketch());
142 aNewFeatureB = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(anOldFeatureB, sketch());
143 // create filleting arc (it will be attached to the list later)
144 aNewArc = sketch()->addFeature(SketchPlugin_Arc::ID());
146 // Obtain features from the list
147 std::list<ObjectPtr> aNewFeatList = aRefListOfFillet->list();
148 std::list<ObjectPtr>::iterator aFeatIt = aNewFeatList.begin();
149 aNewFeatureA = ModelAPI_Feature::feature(*aFeatIt++);
150 aNewFeatureB = ModelAPI_Feature::feature(*aFeatIt++);
151 aNewArc = ModelAPI_Feature::feature(*aFeatIt);
154 // Calculate arc attributes
155 static const int aNbFeatures = 2;
156 FeaturePtr aFeature[aNbFeatures] = {anOldFeatureA, anOldFeatureB};
157 FeaturePtr aNewFeature[aNbFeatures] = {aNewFeatureA, aNewFeatureB};
158 std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures]; // tangent directions of the features in coincident point
159 bool isStart[aNbFeatures]; // indicates which point the features share
160 std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2]; // first pair of points relate to first feature, second pair - to second
161 std::string aFeatAttributes[aNbFeatures * 2]; // attributes of features
162 for (int i = 0; i < aNbFeatures; i++) {
163 std::string aStartAttr, aEndAttr;
164 if (aNewFeature[i]->getKind() == SketchPlugin_Line::ID()) {
165 aStartAttr = SketchPlugin_Line::START_ID();
166 aEndAttr = SketchPlugin_Line::END_ID();
167 } else if (aNewFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
168 aStartAttr = SketchPlugin_Arc::START_ID();
169 aEndAttr = SketchPlugin_Arc::END_ID();
170 } else { // wrong argument
171 aRefListOfFillet->remove(aNewFeatureA);
172 aRefListOfFillet->remove(aNewFeatureB);
173 aRefListOfFillet->remove(aNewArc);
174 aRefListOfBaseLines->clear();
177 aFeatAttributes[2*i] = aStartAttr;
178 aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
179 aFeature[i]->attribute(aStartAttr))->pnt();
180 aFeatAttributes[2*i+1] = aEndAttr;
181 aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
182 aFeature[i]->attribute(aEndAttr))->pnt();
184 for (int aFeatInd = 0; aFeatInd < aNbFeatures; aFeatInd++) {
185 for (int j = 0; j < 2; j++) // loop on start-end of each feature
186 if (aStartEndPnt[aFeatInd * aNbFeatures + j]->distance(aFilletPoint) < 1.e-10) {
187 isStart[aFeatInd] = (j==0);
191 // tangent directions of the features
192 for (int i = 0; i < aNbFeatures; i++) {
193 std::shared_ptr<GeomAPI_XY> aDir;
194 if (aNewFeature[i]->getKind() == SketchPlugin_Line::ID()) {
195 aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
197 aDir = aDir->multiplied(-1.0);
198 } else if (aNewFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
199 std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint =
200 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
201 aNewFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
202 aDir = isStart[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
203 aDir = aDir->decreased(aCenterPoint->xy());
205 double x = aDir->x();
206 double y = aDir->y();
209 if (isStart[i] == std::dynamic_pointer_cast<SketchPlugin_Arc>(aFeature[i])->isReversed())
210 aDir = aDir->multiplied(-1.0);
212 aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
215 // Wait all constraints being created, then send update events
216 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
217 bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
219 Events_Loop::loop()->setFlushed(anUpdateEvent, false);
221 // By default, the start point of fillet arc is connected to FeatureA,
222 // and the end point - to FeatureB. But when the angle between TangentDirA and
223 // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
224 double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A), where A and B - angles between corresponding tanget direction and the X axis
225 bool isReversed = cosBA > 0.0;
227 // Calculate fillet arc parameters
228 std::shared_ptr<GeomAPI_XY> aCenter, aTangentPntA, aTangentPntB;
229 calculateFilletCenter(anOldFeatureA, anOldFeatureB, aFilletRadius, isStart, aCenter, aTangentPntA, aTangentPntB);
230 if(!aCenter.get() || !aTangentPntA.get() || !aTangentPntB.get()) {
231 setError("Can not create fillet with the specified parameters.");
235 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
236 aNewFeatureA->attribute(aFeatAttributes[isStart[0] ? 0 : 1]))->setValue(
237 aTangentPntA->x(), aTangentPntA->y());
238 aNewFeatureA->execute();
239 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
240 aNewFeatureB->attribute(aFeatAttributes[2 + (isStart[1] ? 0 : 1)]))->setValue(
241 aTangentPntB->x(), aTangentPntB->y());
242 aNewFeatureB->execute();
243 // update fillet arc: make the arc correct for sure, so, it is not needed to process the "attribute updated"
244 // by arc; moreover, it may cause cyclicity in hte mechanism of updater
245 aNewArc->data()->blockSendAttributeUpdated(true);
246 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
247 aNewArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(
248 aCenter->x(), aCenter->y());
250 std::shared_ptr<GeomAPI_XY> aTmp = aTangentPntA;
251 aTangentPntA = aTangentPntB;
254 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
255 aNewArc->attribute(SketchPlugin_Arc::START_ID()));
256 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
257 aNewArc->attribute(SketchPlugin_Arc::END_ID()));
258 if (aStartPoint->isInitialized() && aEndPoint->isInitialized() &&
259 (aStartPoint->pnt()->xy()->distance(aTangentPntA) > aTol ||
260 aEndPoint->pnt()->xy()->distance(aTangentPntB) > aTol))
261 std::dynamic_pointer_cast<SketchPlugin_Arc>(aNewArc)->setReversed(false);
262 aStartPoint->setValue(aTangentPntA->x(), aTangentPntA->y());
263 aEndPoint->setValue(aTangentPntB->x(), aTangentPntB->y());
264 aNewArc->data()->blockSendAttributeUpdated(false);
267 if (needNewObjects) {
268 // attach new arc to the list
269 aRefListOfFillet->append(aNewFeatureA->lastResult());
270 aRefListOfFillet->append(aNewFeatureB->lastResult());
271 aRefListOfFillet->append(aNewArc->lastResult());
273 myProducedFeatures.push_back(aNewFeatureA);
274 myProducedFeatures.push_back(aNewFeatureB);
275 myProducedFeatures.push_back(aNewArc);
277 // Create list of additional constraints:
278 // 1. Coincidence of boundary points of features (copied lines/arcs) and fillet arc
280 FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
281 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
282 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
283 aRefAttr->setAttr(aNewArc->attribute(SketchPlugin_Arc::START_ID()));
284 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
285 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
286 int aFeatInd = isReversed ? 1 : 0;
287 int anAttrInd = (isReversed ? 2 : 0) + (isStart[isReversed ? 1 : 0] ? 0 : 1);
288 aRefAttr->setAttr(aNewFeature[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
289 recalculateAttributes(aNewArc, SketchPlugin_Arc::START_ID(), aNewFeature[aFeatInd], aFeatAttributes[anAttrInd]);
290 aConstraint->execute();
291 myProducedFeatures.push_back(aConstraint);
292 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
294 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
295 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
296 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
297 aRefAttr->setAttr(aNewArc->attribute(SketchPlugin_Arc::END_ID()));
298 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
299 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
300 aFeatInd = isReversed ? 0 : 1;
301 anAttrInd = (isReversed ? 0 : 2) + (isStart[isReversed ? 0 : 1] ? 0 : 1);
302 aRefAttr->setAttr(aNewFeature[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
303 recalculateAttributes(aNewArc, SketchPlugin_Arc::END_ID(), aNewFeature[aFeatInd], aFeatAttributes[anAttrInd]);
304 aConstraint->execute();
305 myProducedFeatures.push_back(aConstraint);
306 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
307 // 2. Fillet arc radius
308 //aConstraint = sketch()->addFeature(SketchPlugin_ConstraintRadius::ID());
309 //aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
310 // aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
311 //aRefAttr->setObject(aNewArc->lastResult());
312 //std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
313 // aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aFilletRadius);
314 //std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
315 // aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->setValue(
316 // isStart[0] ? aStartEndPnt[0] : aStartEndPnt[1]);
317 //aConstraint->execute();
318 //myProducedFeatures.push_back(aConstraint);
319 //ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
320 // 3. Tangency of fillet arc and features
321 for (int i = 0; i < aNbFeatures; i++) {
322 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
323 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
324 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
325 aRefAttr->setObject(aNewArc->lastResult());
326 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
327 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
328 bool isArc = aNewFeature[i]->getKind() == SketchPlugin_Arc::ID();
329 aRefAttr->setObject(isArc ? aNewFeature[i]->lastResult() : aNewFeature[i]->firstResult());
330 aConstraint->execute();
331 myProducedFeatures.push_back(aConstraint);
332 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
334 // 4. Coincidence of free boundaries of base and copied features
335 for (int i = 0; i < aNbFeatures; i++) {
336 anAttrInd = 2*i + (isStart[i] ? 1 : 0);
337 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
338 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
339 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
340 aRefAttr->setAttr(aFeature[i]->attribute(aFeatAttributes[anAttrInd]));
341 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
342 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
343 aRefAttr->setAttr(aNewFeature[i]->attribute(aFeatAttributes[anAttrInd]));
344 myProducedFeatures.push_back(aConstraint);
346 // 5. Tangent points should be placed on the base features
347 for (int i = 0; i < aNbFeatures; i++) {
348 anAttrInd = 2*i + (isStart[i] ? 0 : 1);
349 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
350 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
351 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
352 aRefAttr->setAttr(aNewFeature[i]->attribute(aFeatAttributes[anAttrInd]));
353 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
354 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
355 aRefAttr->setObject(aFeature[i]->lastResult());
356 myProducedFeatures.push_back(aConstraint);
358 // make base features auxiliary
359 anOldFeatureA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
360 anOldFeatureB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
361 myBaseObjects.clear();
362 myBaseObjects.push_back(anOldFeatureA);
363 myBaseObjects.push_back(anOldFeatureB);
364 // exchange the naming IDs of newly created and old line that become auxiliary
365 sketch()->exchangeIDs(anOldFeatureA, aNewFeatureA);
366 sketch()->exchangeIDs(anOldFeatureB, aNewFeatureB);
368 // Update radius value
369 int aNbSubs = sketch()->numberOfSubs();
370 FeaturePtr aSubFeature;
371 for (int aSub = 0; aSub < aNbSubs; aSub++) {
372 aSubFeature = sketch()->subFeature(aSub);
373 if (aSubFeature->getKind() != SketchPlugin_ConstraintRadius::ID())
375 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
376 aSubFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
377 if (!aRefAttr || !aRefAttr->isObject())
379 FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
380 if (aFeature == aNewArc) {
381 AttributeDoublePtr aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
382 aSubFeature->attribute(SketchPlugin_Constraint::VALUE()));
383 aRadius->setValue(aFilletRadius);
389 // send events to update the sub-features by the solver
391 Events_Loop::loop()->setFlushed(anUpdateEvent, true);
393 // the viewer update should be unblocked in order after the fillet features
394 // are processed by the solver
395 //aMsg = std::shared_ptr<Events_Message>(
396 // new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)));
397 //Events_Loop::loop()->send(aMsg);
400 void SketchPlugin_ConstraintFillet::attributeChanged(const std::string& theID)
402 if (theID == SketchPlugin_Constraint::ENTITY_A()) {
403 // clear the list of fillet entities
404 AttributeRefListPtr aRefListOfFillet = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
405 data()->attribute(SketchPlugin_Constraint::ENTITY_B()));
406 aRefListOfFillet->clear();
408 // clear the list of base features
409 AttributeRefListPtr aRefListOfBaseLines = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
410 data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
411 aRefListOfBaseLines->clear();
413 // remove all produced objects and constraints
414 DocumentPtr aDoc = sketch()->document();
415 std::list<FeaturePtr>::iterator aCIt = myProducedFeatures.begin();
416 for (; aCIt != myProducedFeatures.end(); ++aCIt)
417 aDoc->removeFeature(*aCIt);
418 myProducedFeatures.clear();
420 // clear auxiliary flag on initial objects
421 for (aCIt = myBaseObjects.begin(); aCIt != myBaseObjects.end(); ++aCIt)
422 (*aCIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
423 myBaseObjects.clear();
425 // Obtain fillet point
426 AttributeRefAttrPtr aBaseA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
427 data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
428 if(!aBaseA->isInitialized() || aBaseA->isObject()) {
431 AttributePtr anAttrBaseA = aBaseA->attr();
432 std::shared_ptr<GeomDataAPI_Point2D> aBasePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrBaseA);
436 std::shared_ptr<GeomAPI_Pnt2d> aFilletPoint = aBasePoint->pnt();
438 // Obtain conicident edges
439 const std::set<AttributePtr>& aRefsList = anAttrBaseA->owner()->data()->refsToMe();
440 std::set<AttributePtr>::const_iterator aIt;
441 FeaturePtr aCoincident;
442 for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
443 std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
444 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
445 if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
446 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
447 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
448 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
449 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
450 if(anAttrRefA.get() && !anAttrRefA->isObject()) {
451 AttributePtr anAttrA = anAttrRefA->attr();
452 if(anAttrBaseA == anAttrA) {
453 aCoincident = aConstrFeature;
457 if(anAttrRefA.get() && !anAttrRefB->isObject()) {
458 AttributePtr anAttrB = anAttrRefB->attr();
459 if(anAttrBaseA == anAttrB) {
460 aCoincident = aConstrFeature;
467 if(!aCoincident.get()) {
468 setError("No coincident edges at selected vertex");
472 std::set<FeaturePtr> aCoinsides;
473 SketchPlugin_Tools::findCoincidences(aCoincident,
474 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
476 SketchPlugin_Tools::findCoincidences(aCoincident,
477 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
481 std::set<FeaturePtr> aNewLines;
482 for(std::set<FeaturePtr>::iterator anIt = aCoinsides.begin(); anIt != aCoinsides.end(); ++anIt) {
483 if((*anIt)->getKind() != SketchPlugin_Point::ID()) {
484 aNewLines.insert(*anIt);
487 aCoinsides = aNewLines;
489 // Remove auxilary lines
490 if(aCoinsides.size() > 2) {
492 for(std::set<FeaturePtr>::iterator anIt = aCoinsides.begin(); anIt != aCoinsides.end(); ++anIt) {
493 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
494 aNewLines.insert(*anIt);
497 aCoinsides = aNewLines;
500 if(aCoinsides.size() != 2) {
501 setError("At selected vertex should be two coincident lines");
506 FeaturePtr anOldFeatureA, anOldFeatureB;
507 std::set<FeaturePtr>::iterator aLinesIt = aCoinsides.begin();
508 anOldFeatureA = *aLinesIt++;
509 anOldFeatureB = *aLinesIt;
510 aRefListOfBaseLines->append(anOldFeatureA);
511 aRefListOfBaseLines->append(anOldFeatureB);
513 // Getting points located at 1/3 of edge length from fillet point
514 std::shared_ptr<GeomAPI_Pnt2d> aPntA, aPntB;
515 getPointOnEdge(anOldFeatureA, aFilletPoint, aPntA);
516 getPointOnEdge(anOldFeatureB, aFilletPoint, aPntB);
518 /// Getting distances
520 double aDistanceA = getProjectionDistance(anOldFeatureB, aPntA);
521 double aDistanceB = getProjectionDistance(anOldFeatureA, aPntB);
522 aRadius = aDistanceA < aDistanceB ? aDistanceA / 2.0 : aDistanceB / 2.0;
524 std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aRadius);
528 AISObjectPtr SketchPlugin_ConstraintFillet::getAISObject(AISObjectPtr thePrevious)
533 AISObjectPtr anAIS = thePrevious;
534 /// TODO: Equal constraint presentation should be put here
538 bool SketchPlugin_ConstraintFillet::isMacro() const
544 // ========= Auxiliary functions =================
545 void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
546 FeaturePtr theFeature, const std::string& theFeatureAttribute)
548 std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
549 theNewArc->attribute(theNewArcAttribute))->pnt();
550 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
551 theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
554 /// \brief Find intersections of lines shifted along normal direction
555 void possibleFilletCenterLineLine(
556 std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
557 std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
558 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
560 std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
561 std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
562 std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
563 double aDet = theDirA->cross(theDirB);
564 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
565 aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
566 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
567 aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
568 double aVX = aDirAT->xy()->dot(aPntA);
569 double aVY = aDirBT->xy()->dot(aPntB);
570 std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
571 (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
572 (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
573 theCenters.push_back(aPoint);
578 /// \brief Find intersections of line shifted along normal direction in both sides
579 /// and a circle with extended radius
580 void possibleFilletCenterLineArc(
581 std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
582 std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
583 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
585 std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
586 std::shared_ptr<GeomAPI_XY> aPnt;
587 double aDirNorm2 = theDirLine->dot(theDirLine);
589 double aDirX = theDirLine->x();
590 double aDirX2 = theDirLine->x() * theDirLine->x();
591 double aDirY2 = theDirLine->y() * theDirLine->y();
592 double aDirXY = theDirLine->x() * theDirLine->y();
593 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
594 aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
595 double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
596 double aCoeff2 = aCoeff * aCoeff;
597 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
598 aRad = theRadiusArc + aStepB * theRadius;
599 double aD = aRad * aRad * aDirNorm2 - aCoeff2;
602 double aDs = sqrt(aD);
603 double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
604 double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
605 double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
606 aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
607 double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
608 aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
610 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
611 theCenters.push_back(aPoint1);
612 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
613 theCenters.push_back(aPoint2);
618 /// \brief Find intersections of two circles with extended radii
619 void possibleFilletCenterArcArc(
620 std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
621 std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
622 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
624 std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
625 double aCenterDist2 = aCenterDir->dot(aCenterDir);
626 double aCenterDist = sqrt(aCenterDist2);
629 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
630 aRadA = theRadiusA + aStepA * theRadius;
631 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
632 aRadB = theRadiusB + aStepB * theRadius;
633 if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
634 continue; // there is no intersections
636 double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
637 double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
639 double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
640 double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
642 double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
643 double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
645 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
646 theCenters.push_back(aPoint1);
647 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
648 theCenters.push_back(aPoint2);
653 void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
654 double theRadius, bool theNotInversed[2],
655 std::shared_ptr<GeomAPI_XY>& theCenter,
656 std::shared_ptr<GeomAPI_XY>& theTangentA,
657 std::shared_ptr<GeomAPI_XY>& theTangentB)
659 static const int aNbFeatures = 2;
660 FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
661 std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
662 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
664 for (int i = 0; i < aNbFeatures; i++) {
665 if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
666 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
667 aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
668 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
669 aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
670 } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
671 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
672 aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
673 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
674 aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
675 aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
676 aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
679 aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
680 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
681 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
682 aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
683 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
684 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
687 if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
688 theFeatureB->getKind() == SketchPlugin_Line::ID()) {
689 std::shared_ptr<GeomAPI_Dir2d> aDir[2];
690 std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
691 for (int i = 0; i < aNbFeatures; i++) {
692 aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
693 aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
696 // get and filter possible centers
697 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
698 possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
700 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
701 for (; anIt != aSuspectCenters.end(); anIt++) {
702 aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
703 theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
704 if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
705 continue; // incorrect position
706 aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
707 theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
708 if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
709 continue; // incorrect position
710 // the center is found, stop searching
714 } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
715 theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
716 (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
717 theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
718 int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
719 double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
720 std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
721 new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
722 std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
723 new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
725 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
726 new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
727 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
728 new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
729 double anArcAngle = aEndArcDir->angle(aStartArcDir);
731 // get possible centers and filter them
732 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
733 possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
735 // the line is forward into the arc
736 double innerArc = aCenter[1-aLineInd]->decreased(aStart[aLineInd])->dot(aDirLine->xy());
737 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
738 // The possible centers are ranged by their positions.
739 // If the point is not satisfy one of criteria, the weight is decreased with penalty.
741 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
742 for (; anIt != aSuspectCenters.end(); anIt++) {
744 aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
745 aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
746 // Check the point is placed on the correct arc (penalty if false)
747 if (aCenter[1-aLineInd]->distance(*anIt) * innerArc > anArcRadius * innerArc)
749 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
750 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
751 double aCurAngle = aCurDir->angle(aStartArcDir);
752 if (anArcAngle < 0.0) aCurAngle *= -1.0;
753 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
755 if (aWeight > aBestWeight)
756 aBestWeight = aWeight;
757 else if (aWeight < aBestWeight ||
758 aStart[aLineInd]->distance(*anIt) >
759 aStart[aLineInd]->distance(theCenter)) // <-- take closer point
761 // the center is found, stop searching
763 anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
764 if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
765 theTangentA = aLineTgPoint;
766 theTangentB = anArcTgPoint;
768 theTangentA = anArcTgPoint;
769 theTangentB = aLineTgPoint;
773 } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
774 theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
775 double anArcRadius[aNbFeatures];
776 double anArcAngle[aNbFeatures];
777 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
778 for (int i = 0; i < aNbFeatures; i++) {
779 anArcRadius[i] = aStart[i]->distance(aCenter[i]);
780 aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
781 new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
782 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
783 new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
784 anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
787 // get and filter possible centers
788 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
789 possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
791 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
792 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
793 for (; anIt != aSuspectCenters.end(); anIt++) {
794 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
795 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
796 double aCurAngle = aCurDir->angle(aStartArcDir[0]);
797 if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
798 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
799 continue; // incorrect position
800 theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
802 aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
803 aCurAngle = aCurDir->angle(aStartArcDir[1]);
804 if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
805 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
806 continue; // incorrect position
807 theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
809 // the center is found, stop searching
816 void getPointOnEdge(const FeaturePtr theFeature,
817 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
818 std::shared_ptr<GeomAPI_Pnt2d>& thePoint) {
819 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
820 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
821 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
822 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
823 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
824 if(aPntStart->distance(theFilletPoint) > 1.e-7) {
825 aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
826 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
827 aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
828 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
830 thePoint.reset( new GeomAPI_Pnt2d(aPntStart->xy()->added( aPntEnd->xy()->decreased( aPntStart->xy() )->multiplied(1.0 / 3.0) ) ) );
832 std::shared_ptr<GeomAPI_Pnt2d> aPntTemp;
833 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
834 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
835 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
836 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
837 if(theFeature->attribute(SketchPlugin_Arc::INVERSED_ID())) {
838 aPntTemp = aPntStart;
842 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
843 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
844 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
845 double aStartParameter(0), anEndParameter(0);
846 aCirc->parameter(aPntStart, paramTolerance, aStartParameter);
847 aCirc->parameter(aPntEnd, paramTolerance, anEndParameter);
848 if(aPntStart->distance(theFilletPoint) > tolerance) {
849 double aTmpParameter = aStartParameter;
850 aStartParameter = anEndParameter;
851 anEndParameter = aTmpParameter;
853 double aPntParameter = aStartParameter + (anEndParameter - aStartParameter) / 3.0;
854 aCirc->D0(aPntParameter, thePoint);
858 double getProjectionDistance(const FeaturePtr theFeature,
859 const std::shared_ptr<GeomAPI_Pnt2d> thePoint)
861 std::shared_ptr<GeomAPI_Pnt2d> aProjectPnt;
862 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
863 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
864 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
865 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
866 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
867 std::shared_ptr<GeomAPI_Lin2d> aLin(new GeomAPI_Lin2d(aPntStart, aPntEnd));
868 aProjectPnt = aLin->project(thePoint);
870 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
871 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
872 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
873 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
874 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
875 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
876 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
877 aProjectPnt = aCirc->project(thePoint);
879 if(aProjectPnt.get()) {
880 return aProjectPnt->distance(thePoint);