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_Tools.h>
32 #include <SketcherPrs_Factory.h>
33 #include <SketcherPrs_Tools.h>
35 #include <Config_PropManager.h>
36 #include <Events_Loop.h>
38 #define _USE_MATH_DEFINES
41 static const std::string PREVIOUS_VALUE("FilletPreviousRadius");
43 const double tolerance = 1.e-7;
44 const double paramTolerance = 1.e-4;
46 /// \brief Attract specified point on theNewArc to the attribute of theFeature
47 static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
48 FeaturePtr theFeature, const std::string& theFeatureAttribute);
50 /// \brief Calculates center of fillet arc and coordinates of tangency points
51 static void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
52 double theRadius, bool theNotInversed[2],
53 std::shared_ptr<GeomAPI_XY>& theCenter,
54 std::shared_ptr<GeomAPI_XY>& theTangentA,
55 std::shared_ptr<GeomAPI_XY>& theTangentB);
57 /// Get point on 1/3 length of edge from fillet point
58 static void getPointOnEdge(const FeaturePtr theFeature,
59 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
60 std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
62 /// Get distance from point to feature
63 static double getProjectionDistance(const FeaturePtr theFeature,
64 const std::shared_ptr<GeomAPI_Pnt2d> thePoint);
66 SketchPlugin_ConstraintFillet::SketchPlugin_ConstraintFillet()
70 void SketchPlugin_ConstraintFillet::initAttributes()
72 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
73 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
74 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefList::typeId());
75 // This attribute used to store base edges
76 data()->addAttribute(SketchPlugin_Constraint::ENTITY_C(), ModelAPI_AttributeRefList::typeId());
77 data()->addAttribute(PREVIOUS_VALUE, ModelAPI_AttributeDouble::typeId());
78 // initialize attribute not applicable for user
79 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_B());
80 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_C());
81 data()->attribute(PREVIOUS_VALUE)->setInitialized();
82 std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(PREVIOUS_VALUE))->setValue(0.0);
85 void SketchPlugin_ConstraintFillet::execute()
87 static const double aTol = 1.e-7;
89 // the viewer update should be blocked in order to avoid the temporaty fillet sub-features visualization
90 // before they are processed by the solver
91 //std::shared_ptr<Events_Message> aMsg = std::shared_ptr<Events_Message>(
92 // new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)));
93 //Events_Loop::loop()->send(aMsg);
95 std::shared_ptr<ModelAPI_Data> aData = data();
96 ResultConstructionPtr aRC;
97 // Check the base objects are initialized
98 double aFilletRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
99 aData->attribute(SketchPlugin_Constraint::VALUE()))->value();
100 AttributeRefAttrPtr aBaseA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
101 aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
102 if (!aBaseA->isInitialized() || aBaseA->isObject()) {
103 setError("Bad vertex selected");
107 // Obtain fillet point
108 std::shared_ptr<GeomDataAPI_Point2D> aBasePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aBaseA->attr());
110 setError("Bad vertex selected");
113 std::shared_ptr<GeomAPI_Pnt2d> aFilletPoint = aBasePoint->pnt();
115 // Check the fillet shapes is not initialized yet
116 AttributeRefListPtr aRefListOfFillet = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
117 aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
118 bool needNewObjects = aRefListOfFillet->size() == 0;
120 AttributeRefListPtr aRefListOfBaseLines = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
121 aData->attribute(SketchPlugin_Constraint::ENTITY_C()));
123 // Obtain base features
124 FeaturePtr anOldFeatureA, anOldFeatureB;
125 std::list<ObjectPtr> anOldFeatList = aRefListOfBaseLines->list();
126 std::list<ObjectPtr>::iterator aFeatIt = anOldFeatList.begin();
127 anOldFeatureA = ModelAPI_Feature::feature(*aFeatIt++);
128 anOldFeatureB = ModelAPI_Feature::feature(*aFeatIt);
130 if(!anOldFeatureA.get() || !anOldFeatureB.get()) {
131 setError("One of the edges is empty");
135 FeaturePtr aNewFeatureA, aNewFeatureB, aNewArc;
136 if (needNewObjects) {
137 // Create list of objects composing a fillet
139 aNewFeatureA = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(anOldFeatureA, sketch());
141 aNewFeatureB = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(anOldFeatureB, sketch());
142 // create filleting arc (it will be attached to the list later)
143 aNewArc = sketch()->addFeature(SketchPlugin_Arc::ID());
145 // Obtain features from the list
146 std::list<ObjectPtr> aNewFeatList = aRefListOfFillet->list();
147 std::list<ObjectPtr>::iterator aFeatIt = aNewFeatList.begin();
148 aNewFeatureA = ModelAPI_Feature::feature(*aFeatIt++);
149 aNewFeatureB = ModelAPI_Feature::feature(*aFeatIt++);
150 aNewArc = ModelAPI_Feature::feature(*aFeatIt);
153 // Calculate arc attributes
154 static const int aNbFeatures = 2;
155 FeaturePtr aFeature[aNbFeatures] = {anOldFeatureA, anOldFeatureB};
156 FeaturePtr aNewFeature[aNbFeatures] = {aNewFeatureA, aNewFeatureB};
157 std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures]; // tangent directions of the features in coincident point
158 bool isStart[aNbFeatures]; // indicates which point the features share
159 std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2]; // first pair of points relate to first feature, second pair - to second
160 std::string aFeatAttributes[aNbFeatures * 2]; // attributes of features
161 for (int i = 0; i < aNbFeatures; i++) {
162 std::string aStartAttr, aEndAttr;
163 if (aNewFeature[i]->getKind() == SketchPlugin_Line::ID()) {
164 aStartAttr = SketchPlugin_Line::START_ID();
165 aEndAttr = SketchPlugin_Line::END_ID();
166 } else if (aNewFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
167 aStartAttr = SketchPlugin_Arc::START_ID();
168 aEndAttr = SketchPlugin_Arc::END_ID();
169 } else { // wrong argument
170 aRefListOfFillet->remove(aNewFeatureA);
171 aRefListOfFillet->remove(aNewFeatureB);
172 aRefListOfFillet->remove(aNewArc);
173 aRefListOfBaseLines->clear();
176 aFeatAttributes[2*i] = aStartAttr;
177 aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
178 aFeature[i]->attribute(aStartAttr))->pnt();
179 aFeatAttributes[2*i+1] = aEndAttr;
180 aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
181 aFeature[i]->attribute(aEndAttr))->pnt();
183 for (int aFeatInd = 0; aFeatInd < aNbFeatures; aFeatInd++) {
184 for (int j = 0; j < 2; j++) // loop on start-end of each feature
185 if (aStartEndPnt[aFeatInd * aNbFeatures + j]->distance(aFilletPoint) < 1.e-10) {
186 isStart[aFeatInd] = (j==0);
190 // tangent directions of the features
191 for (int i = 0; i < aNbFeatures; i++) {
192 std::shared_ptr<GeomAPI_XY> aDir;
193 if (aNewFeature[i]->getKind() == SketchPlugin_Line::ID()) {
194 aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
196 aDir = aDir->multiplied(-1.0);
197 } else if (aNewFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
198 std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint =
199 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
200 aNewFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
201 aDir = isStart[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
202 aDir = aDir->decreased(aCenterPoint->xy());
204 double x = aDir->x();
205 double y = aDir->y();
208 if (isStart[i] == std::dynamic_pointer_cast<SketchPlugin_Arc>(aFeature[i])->isReversed())
209 aDir = aDir->multiplied(-1.0);
211 aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
214 // Wait all constraints being created, then send update events
215 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
216 bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
218 Events_Loop::loop()->setFlushed(anUpdateEvent, false);
220 // By default, the start point of fillet arc is connected to FeatureA,
221 // and the end point - to FeatureB. But when the angle between TangentDirA and
222 // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
223 double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A), where A and B - angles between corresponding tanget direction and the X axis
224 bool isReversed = cosBA > 0.0;
226 // Calculate fillet arc parameters
227 std::shared_ptr<GeomAPI_XY> aCenter, aTangentPntA, aTangentPntB;
228 calculateFilletCenter(anOldFeatureA, anOldFeatureB, aFilletRadius, isStart, aCenter, aTangentPntA, aTangentPntB);
229 if(!aCenter.get() || !aTangentPntA.get() || !aTangentPntB.get()) {
230 setError("Can not create fillet with the specified parameters.");
234 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
235 aNewFeatureA->attribute(aFeatAttributes[isStart[0] ? 0 : 1]))->setValue(
236 aTangentPntA->x(), aTangentPntA->y());
237 aNewFeatureA->execute();
238 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
239 aNewFeatureB->attribute(aFeatAttributes[2 + (isStart[1] ? 0 : 1)]))->setValue(
240 aTangentPntB->x(), aTangentPntB->y());
241 aNewFeatureB->execute();
242 // update fillet arc: make the arc correct for sure, so, it is not needed to process the "attribute updated"
243 // by arc; moreover, it may cause cyclicity in hte mechanism of updater
244 aNewArc->data()->blockSendAttributeUpdated(true);
245 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
246 aNewArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(
247 aCenter->x(), aCenter->y());
249 std::shared_ptr<GeomAPI_XY> aTmp = aTangentPntA;
250 aTangentPntA = aTangentPntB;
253 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
254 aNewArc->attribute(SketchPlugin_Arc::START_ID()));
255 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
256 aNewArc->attribute(SketchPlugin_Arc::END_ID()));
257 if (aStartPoint->isInitialized() && aEndPoint->isInitialized() &&
258 (aStartPoint->pnt()->xy()->distance(aTangentPntA) > aTol ||
259 aEndPoint->pnt()->xy()->distance(aTangentPntB) > aTol))
260 std::dynamic_pointer_cast<SketchPlugin_Arc>(aNewArc)->setReversed(false);
261 aStartPoint->setValue(aTangentPntA->x(), aTangentPntA->y());
262 aEndPoint->setValue(aTangentPntB->x(), aTangentPntB->y());
263 aNewArc->data()->blockSendAttributeUpdated(false);
266 if (needNewObjects) {
267 // attach new arc to the list
268 aRefListOfFillet->append(aNewFeatureA->lastResult());
269 aRefListOfFillet->append(aNewFeatureB->lastResult());
270 aRefListOfFillet->append(aNewArc->lastResult());
272 myProducedFeatures.push_back(aNewFeatureA);
273 myProducedFeatures.push_back(aNewFeatureB);
274 myProducedFeatures.push_back(aNewArc);
276 // Create list of additional constraints:
277 // 1. Coincidence of boundary points of features (copied lines/arcs) and fillet arc
279 FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
280 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
281 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
282 aRefAttr->setAttr(aNewArc->attribute(SketchPlugin_Arc::START_ID()));
283 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
284 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
285 int aFeatInd = isReversed ? 1 : 0;
286 int anAttrInd = (isReversed ? 2 : 0) + (isStart[isReversed ? 1 : 0] ? 0 : 1);
287 aRefAttr->setAttr(aNewFeature[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
288 recalculateAttributes(aNewArc, SketchPlugin_Arc::START_ID(), aNewFeature[aFeatInd], aFeatAttributes[anAttrInd]);
289 aConstraint->execute();
290 myProducedFeatures.push_back(aConstraint);
291 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
293 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
294 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
295 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
296 aRefAttr->setAttr(aNewArc->attribute(SketchPlugin_Arc::END_ID()));
297 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
298 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
299 aFeatInd = isReversed ? 0 : 1;
300 anAttrInd = (isReversed ? 0 : 2) + (isStart[isReversed ? 0 : 1] ? 0 : 1);
301 aRefAttr->setAttr(aNewFeature[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
302 recalculateAttributes(aNewArc, SketchPlugin_Arc::END_ID(), aNewFeature[aFeatInd], aFeatAttributes[anAttrInd]);
303 aConstraint->execute();
304 myProducedFeatures.push_back(aConstraint);
305 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
306 // 2. Fillet arc radius
307 //aConstraint = sketch()->addFeature(SketchPlugin_ConstraintRadius::ID());
308 //aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
309 // aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
310 //aRefAttr->setObject(aNewArc->lastResult());
311 //std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
312 // aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aFilletRadius);
313 //std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
314 // aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->setValue(
315 // isStart[0] ? aStartEndPnt[0] : aStartEndPnt[1]);
316 //aConstraint->execute();
317 //myProducedFeatures.push_back(aConstraint);
318 //ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
319 // 3. Tangency of fillet arc and features
320 for (int i = 0; i < aNbFeatures; i++) {
321 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
322 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
323 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
324 aRefAttr->setObject(aNewArc->lastResult());
325 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
326 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
327 bool isArc = aNewFeature[i]->getKind() == SketchPlugin_Arc::ID();
328 aRefAttr->setObject(isArc ? aNewFeature[i]->lastResult() : aNewFeature[i]->firstResult());
329 aConstraint->execute();
330 myProducedFeatures.push_back(aConstraint);
331 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
333 // 4. Coincidence of free boundaries of base and copied features
334 for (int i = 0; i < aNbFeatures; i++) {
335 anAttrInd = 2*i + (isStart[i] ? 1 : 0);
336 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
337 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
338 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
339 aRefAttr->setAttr(aFeature[i]->attribute(aFeatAttributes[anAttrInd]));
340 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
341 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
342 aRefAttr->setAttr(aNewFeature[i]->attribute(aFeatAttributes[anAttrInd]));
343 myProducedFeatures.push_back(aConstraint);
345 // 5. Tangent points should be placed on the base features
346 for (int i = 0; i < aNbFeatures; i++) {
347 anAttrInd = 2*i + (isStart[i] ? 0 : 1);
348 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
349 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
350 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
351 aRefAttr->setAttr(aNewFeature[i]->attribute(aFeatAttributes[anAttrInd]));
352 aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
353 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
354 aRefAttr->setObject(aFeature[i]->lastResult());
355 myProducedFeatures.push_back(aConstraint);
357 // make base features auxiliary
358 anOldFeatureA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
359 anOldFeatureB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
360 myBaseObjects.clear();
361 myBaseObjects.push_back(anOldFeatureA);
362 myBaseObjects.push_back(anOldFeatureB);
363 // exchange the naming IDs of newly created and old line that become auxiliary
364 sketch()->exchangeIDs(anOldFeatureA, aNewFeatureA);
365 sketch()->exchangeIDs(anOldFeatureB, aNewFeatureB);
367 // Update radius value
368 int aNbSubs = sketch()->numberOfSubs();
369 FeaturePtr aSubFeature;
370 for (int aSub = 0; aSub < aNbSubs; aSub++) {
371 aSubFeature = sketch()->subFeature(aSub);
372 if (aSubFeature->getKind() != SketchPlugin_ConstraintRadius::ID())
374 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
375 aSubFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
376 if (!aRefAttr || !aRefAttr->isObject())
378 FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
379 if (aFeature == aNewArc) {
380 AttributeDoublePtr aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
381 aSubFeature->attribute(SketchPlugin_Constraint::VALUE()));
382 aRadius->setValue(aFilletRadius);
388 // send events to update the sub-features by the solver
390 Events_Loop::loop()->setFlushed(anUpdateEvent, true);
392 // the viewer update should be unblocked in order after the fillet features
393 // are processed by the solver
394 //aMsg = std::shared_ptr<Events_Message>(
395 // new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)));
396 //Events_Loop::loop()->send(aMsg);
399 void SketchPlugin_ConstraintFillet::attributeChanged(const std::string& theID)
401 if (theID == SketchPlugin_Constraint::ENTITY_A()) {
402 // clear the list of fillet entities
403 AttributeRefListPtr aRefListOfFillet = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
404 data()->attribute(SketchPlugin_Constraint::ENTITY_B()));
405 aRefListOfFillet->clear();
407 // clear the list of base features
408 AttributeRefListPtr aRefListOfBaseLines = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
409 data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
410 aRefListOfBaseLines->clear();
412 // remove all produced objects and constraints
413 DocumentPtr aDoc = sketch()->document();
414 std::list<FeaturePtr>::iterator aCIt = myProducedFeatures.begin();
415 for (; aCIt != myProducedFeatures.end(); ++aCIt)
416 aDoc->removeFeature(*aCIt);
417 myProducedFeatures.clear();
419 // clear auxiliary flag on initial objects
420 for (aCIt = myBaseObjects.begin(); aCIt != myBaseObjects.end(); ++aCIt)
421 (*aCIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
422 myBaseObjects.clear();
424 // Obtain fillet point
425 AttributeRefAttrPtr aBaseA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
426 data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
427 if(!aBaseA->isInitialized() || aBaseA->isObject()) {
430 AttributePtr anAttrBaseA = aBaseA->attr();
431 std::shared_ptr<GeomDataAPI_Point2D> aBasePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrBaseA);
435 std::shared_ptr<GeomAPI_Pnt2d> aFilletPoint = aBasePoint->pnt();
437 // Obtain conicident edges
438 const std::set<AttributePtr>& aRefsList = anAttrBaseA->owner()->data()->refsToMe();
439 std::set<AttributePtr>::const_iterator aIt;
440 FeaturePtr aCoincident;
441 for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
442 std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
443 FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
444 if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
445 AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
446 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
447 AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
448 aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
449 if(anAttrRefA.get() && !anAttrRefA->isObject()) {
450 AttributePtr anAttrA = anAttrRefA->attr();
451 if(anAttrBaseA == anAttrA) {
452 aCoincident = aConstrFeature;
456 if(anAttrRefA.get() && !anAttrRefB->isObject()) {
457 AttributePtr anAttrB = anAttrRefB->attr();
458 if(anAttrBaseA == anAttrB) {
459 aCoincident = aConstrFeature;
466 if(!aCoincident.get()) {
467 setError("No coincident edges at selected vertex");
471 std::set<FeaturePtr> aCoinsideLines;
472 SketchPlugin_Tools::findCoincidences(aCoincident,
473 SketchPlugin_ConstraintCoincidence::ENTITY_A(),
475 SketchPlugin_Tools::findCoincidences(aCoincident,
476 SketchPlugin_ConstraintCoincidence::ENTITY_B(),
479 // Remove auxilary lines
480 if(aCoinsideLines.size() > 2) {
481 std::set<FeaturePtr> aNewLines;
482 for(std::set<FeaturePtr>::iterator anIt = aCoinsideLines.begin(); anIt != aCoinsideLines.end(); ++anIt) {
483 if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
484 aNewLines.insert(*anIt);
487 aCoinsideLines = aNewLines;
490 if(aCoinsideLines.size() != 2) {
491 setError("At selected vertex should be two coincident lines");
496 FeaturePtr anOldFeatureA, anOldFeatureB;
497 std::set<FeaturePtr>::iterator aLinesIt = aCoinsideLines.begin();
498 anOldFeatureA = *aLinesIt++;
499 anOldFeatureB = *aLinesIt;
500 aRefListOfBaseLines->append(anOldFeatureA);
501 aRefListOfBaseLines->append(anOldFeatureB);
503 // Getting points located at 1/3 of edge length from fillet point
504 std::shared_ptr<GeomAPI_Pnt2d> aPntA, aPntB;
505 getPointOnEdge(anOldFeatureA, aFilletPoint, aPntA);
506 getPointOnEdge(anOldFeatureB, aFilletPoint, aPntB);
508 /// Getting distances
510 double aDistanceA = getProjectionDistance(anOldFeatureB, aPntA);
511 double aDistanceB = getProjectionDistance(anOldFeatureA, aPntB);
512 aRadius = aDistanceA < aDistanceB ? aDistanceA / 2.0 : aDistanceB / 2.0;
514 std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aRadius);
518 AISObjectPtr SketchPlugin_ConstraintFillet::getAISObject(AISObjectPtr thePrevious)
523 AISObjectPtr anAIS = thePrevious;
524 /// TODO: Equal constraint presentation should be put here
528 bool SketchPlugin_ConstraintFillet::isMacro() const
534 // ========= Auxiliary functions =================
535 void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
536 FeaturePtr theFeature, const std::string& theFeatureAttribute)
538 std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
539 theNewArc->attribute(theNewArcAttribute))->pnt();
540 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
541 theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
544 /// \brief Find intersections of lines shifted along normal direction
545 void possibleFilletCenterLineLine(
546 std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
547 std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
548 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
550 std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
551 std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
552 std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
553 double aDet = theDirA->cross(theDirB);
554 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
555 aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
556 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
557 aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
558 double aVX = aDirAT->xy()->dot(aPntA);
559 double aVY = aDirBT->xy()->dot(aPntB);
560 std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
561 (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
562 (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
563 theCenters.push_back(aPoint);
568 /// \brief Find intersections of line shifted along normal direction in both sides
569 /// and a circle with extended radius
570 void possibleFilletCenterLineArc(
571 std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
572 std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
573 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
575 std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
576 std::shared_ptr<GeomAPI_XY> aPnt;
577 double aDirNorm2 = theDirLine->dot(theDirLine);
579 double aDirX = theDirLine->x();
580 double aDirX2 = theDirLine->x() * theDirLine->x();
581 double aDirY2 = theDirLine->y() * theDirLine->y();
582 double aDirXY = theDirLine->x() * theDirLine->y();
583 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
584 aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
585 double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
586 double aCoeff2 = aCoeff * aCoeff;
587 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
588 aRad = theRadiusArc + aStepB * theRadius;
589 double aD = aRad * aRad * aDirNorm2 - aCoeff2;
592 double aDs = sqrt(aD);
593 double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
594 double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
595 double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
596 aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
597 double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
598 aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
600 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
601 theCenters.push_back(aPoint1);
602 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
603 theCenters.push_back(aPoint2);
608 /// \brief Find intersections of two circles with extended radii
609 void possibleFilletCenterArcArc(
610 std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
611 std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
612 double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
614 std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
615 double aCenterDist2 = aCenterDir->dot(aCenterDir);
616 double aCenterDist = sqrt(aCenterDist2);
619 for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
620 aRadA = theRadiusA + aStepA * theRadius;
621 for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
622 aRadB = theRadiusB + aStepB * theRadius;
623 if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
624 continue; // there is no intersections
626 double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
627 double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
629 double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
630 double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
632 double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
633 double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
635 std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
636 theCenters.push_back(aPoint1);
637 std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
638 theCenters.push_back(aPoint2);
643 void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
644 double theRadius, bool theNotInversed[2],
645 std::shared_ptr<GeomAPI_XY>& theCenter,
646 std::shared_ptr<GeomAPI_XY>& theTangentA,
647 std::shared_ptr<GeomAPI_XY>& theTangentB)
649 static const int aNbFeatures = 2;
650 FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
651 std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
652 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
654 for (int i = 0; i < aNbFeatures; i++) {
655 if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
656 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
657 aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
658 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
659 aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
660 } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
661 aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
662 aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
663 aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
664 aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
665 aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
666 aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
669 aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
670 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
671 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
672 aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
673 new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
674 new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
677 if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
678 theFeatureB->getKind() == SketchPlugin_Line::ID()) {
679 std::shared_ptr<GeomAPI_Dir2d> aDir[2];
680 std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
681 for (int i = 0; i < aNbFeatures; i++) {
682 aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
683 aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
686 // get and filter possible centers
687 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
688 possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
690 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
691 for (; anIt != aSuspectCenters.end(); anIt++) {
692 aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
693 theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
694 if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
695 continue; // incorrect position
696 aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
697 theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
698 if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
699 continue; // incorrect position
700 // the center is found, stop searching
704 } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
705 theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
706 (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
707 theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
708 int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
709 double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
710 std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
711 new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
712 std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
713 new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
715 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
716 new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
717 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
718 new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
719 double anArcAngle = aEndArcDir->angle(aStartArcDir);
721 // get possible centers and filter them
722 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
723 possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
725 // the line is forward into the arc
726 double innerArc = aCenter[1-aLineInd]->decreased(aStart[aLineInd])->dot(aDirLine->xy());
727 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
728 // The possible centers are ranged by their positions.
729 // If the point is not satisfy one of criteria, the weight is decreased with penalty.
731 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
732 for (; anIt != aSuspectCenters.end(); anIt++) {
734 aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
735 aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
736 // Check the point is placed on the correct arc (penalty if false)
737 if (aCenter[1-aLineInd]->distance(*anIt) * innerArc > anArcRadius * innerArc)
739 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
740 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
741 double aCurAngle = aCurDir->angle(aStartArcDir);
742 if (anArcAngle < 0.0) aCurAngle *= -1.0;
743 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
745 if (aWeight > aBestWeight)
746 aBestWeight = aWeight;
747 else if (aWeight < aBestWeight ||
748 aStart[aLineInd]->distance(*anIt) >
749 aStart[aLineInd]->distance(theCenter)) // <-- take closer point
751 // the center is found, stop searching
753 anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
754 if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
755 theTangentA = aLineTgPoint;
756 theTangentB = anArcTgPoint;
758 theTangentA = anArcTgPoint;
759 theTangentB = aLineTgPoint;
763 } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
764 theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
765 double anArcRadius[aNbFeatures];
766 double anArcAngle[aNbFeatures];
767 std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
768 for (int i = 0; i < aNbFeatures; i++) {
769 anArcRadius[i] = aStart[i]->distance(aCenter[i]);
770 aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
771 new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
772 std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
773 new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
774 anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
777 // get and filter possible centers
778 std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
779 possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
781 std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
782 std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
783 for (; anIt != aSuspectCenters.end(); anIt++) {
784 std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
785 new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
786 double aCurAngle = aCurDir->angle(aStartArcDir[0]);
787 if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
788 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
789 continue; // incorrect position
790 theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
792 aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
793 aCurAngle = aCurDir->angle(aStartArcDir[1]);
794 if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
795 if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
796 continue; // incorrect position
797 theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
799 // the center is found, stop searching
806 void getPointOnEdge(const FeaturePtr theFeature,
807 const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
808 std::shared_ptr<GeomAPI_Pnt2d>& thePoint) {
809 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
810 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
811 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
812 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
813 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
814 if(aPntStart->distance(theFilletPoint) > 1.e-7) {
815 aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
816 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
817 aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
818 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
820 thePoint.reset( new GeomAPI_Pnt2d(aPntStart->xy()->added( aPntEnd->xy()->decreased( aPntStart->xy() )->multiplied(1.0 / 3.0) ) ) );
822 std::shared_ptr<GeomAPI_Pnt2d> aPntTemp;
823 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
824 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
825 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
826 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
827 if(theFeature->attribute(SketchPlugin_Arc::INVERSED_ID())) {
828 aPntTemp = aPntStart;
832 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
833 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
834 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
835 double aStartParameter(0), anEndParameter(0);
836 aCirc->parameter(aPntStart, paramTolerance, aStartParameter);
837 aCirc->parameter(aPntEnd, paramTolerance, anEndParameter);
838 if(aPntStart->distance(theFilletPoint) > tolerance) {
839 double aTmpParameter = aStartParameter;
840 aStartParameter = anEndParameter;
841 anEndParameter = aTmpParameter;
843 double aPntParameter = aStartParameter + (anEndParameter - aStartParameter) / 3.0;
844 aCirc->D0(aPntParameter, thePoint);
848 double getProjectionDistance(const FeaturePtr theFeature,
849 const std::shared_ptr<GeomAPI_Pnt2d> thePoint)
851 std::shared_ptr<GeomAPI_Pnt2d> aProjectPnt;
852 if(theFeature->getKind() == SketchPlugin_Line::ID()) {
853 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
854 theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
855 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
856 theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
857 std::shared_ptr<GeomAPI_Lin2d> aLin(new GeomAPI_Lin2d(aPntStart, aPntEnd));
858 aProjectPnt = aLin->project(thePoint);
860 std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
861 theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
862 std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
863 theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
864 std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
865 theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
866 std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
867 aProjectPnt = aCirc->project(thePoint);
869 if(aProjectPnt.get()) {
870 return aProjectPnt->distance(thePoint);