1 // Copyright (C) 2014-2019 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "SketchPlugin_Fillet.h"
22 #include "SketchPlugin_Arc.h"
23 #include "SketchPlugin_Line.h"
24 #include "SketchPlugin_Point.h"
25 #include "SketchPlugin_Sketch.h"
26 #include "SketchPlugin_ConstraintDistance.h"
27 #include "SketchPlugin_ConstraintEqual.h"
28 #include "SketchPlugin_ConstraintCoincidence.h"
29 #include "SketchPlugin_ConstraintLength.h"
30 #include "SketchPlugin_ConstraintMiddle.h"
31 #include "SketchPlugin_ConstraintTangent.h"
32 #include "SketchPlugin_ConstraintRadius.h"
33 #include "SketchPlugin_Tools.h"
35 #include <ModelAPI_AttributeDouble.h>
36 #include <ModelAPI_AttributeInteger.h>
37 #include <ModelAPI_AttributeRefAttr.h>
38 #include <ModelAPI_Data.h>
39 #include <ModelAPI_Events.h>
40 #include <ModelAPI_Session.h>
41 #include <ModelAPI_Tools.h>
42 #include <ModelAPI_Validator.h>
44 #include <GeomAlgoAPI_Circ2dBuilder.h>
45 #include <GeomAlgoAPI_EdgeBuilder.h>
47 #include <GeomAPI_Circ2d.h>
48 #include <GeomAPI_Dir2d.h>
49 #include <GeomAPI_Lin2d.h>
50 #include <GeomAPI_Pnt2d.h>
51 #include <GeomAPI_XY.h>
53 #include <GeomDataAPI_Point2D.h>
55 #include <Events_Loop.h>
59 const double tolerance = 1.e-7;
60 const double paramTolerance = 1.e-4;
61 const double PI = 3.141592653589793238463;
63 /// \brief Attract specified point on theNewArc to the attribute of theFeature
64 static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
65 FeaturePtr theFeature, const std::string& theFeatureAttribute);
68 /// \brief Calculate radius of a fillet.
69 /// It should not be greater than 1/3 of shortest edge length.
70 static double calculateFilletRadius(FeaturePtr theFilletFeatures[2]);
72 /// \brief Calculates center of fillet arc and coordinates of tangency points
73 static void calculateFilletCenter(FeaturePtr theFilletFeatures[2],
74 double theFilletRadius,
75 const std::shared_ptr<GeomAPI_Ax3>& theSketchPlane,
76 std::shared_ptr<GeomAPI_XY>& theCenter,
77 std::shared_ptr<GeomAPI_XY>& theTangentA,
78 std::shared_ptr<GeomAPI_XY>& theTangentB);
80 static std::set<FeaturePtr> findFeaturesToRemove(const FeaturePtr theFeature,
81 const AttributePtr theAttribute);
83 SketchPlugin_Fillet::SketchPlugin_Fillet()
84 : myFilletCreated(false), myIsReversed(false)
86 myIsNotInversed[0] = myIsNotInversed[1] = true;
89 void SketchPlugin_Fillet::initAttributes()
91 data()->addAttribute(FILLET_POINT_ID(), ModelAPI_AttributeRefAttr::typeId());
94 void SketchPlugin_Fillet::execute()
96 // Wait all constraints being created, then send update events
97 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
98 bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
100 Events_Loop::loop()->setFlushed(anUpdateEvent, false);
102 // set flag here to avoid building Fillet presentation if "Redisplay" event appears
103 myFilletCreated = true;
105 // create feature for fillet arc
106 FeaturePtr aFilletArc = createFilletArc();
108 setError("Error: unable to create a fillet arc.");
112 // collect features referred to the edges participating in fillet
113 AttributePoint2DPtr aFilletPoints[2];
116 std::set<FeaturePtr> aFeaturesToBeRemoved;
117 for (int i = 0; i < 2; ++i) {
118 bool isFirstIndex = (i == 0);
119 aFeatInd[i] = myIsReversed == isFirstIndex ? 1 : 0;
120 anAttrInd[i] = (myIsReversed == isFirstIndex ? 2 : 0) + (myIsNotInversed[aFeatInd[i]] ? 0 : 1);
121 aFilletPoints[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
122 myBaseFeatures[aFeatInd[i]]->attribute(myFeatAttributes[anAttrInd[i]]));
123 std::set<FeaturePtr> aRemove =
124 findFeaturesToRemove(myBaseFeatures[aFeatInd[i]], aFilletPoints[i]);
125 aFeaturesToBeRemoved.insert(aRemove.begin(), aRemove.end());
128 // keep "distance" constraints and remove all other references
129 removeReferencesButKeepDistances(aFeaturesToBeRemoved, aFilletPoints);
131 // Update fillet edges.
132 recalculateAttributes(aFilletArc, SketchPlugin_Arc::START_ID(),
133 myBaseFeatures[aFeatInd[0]], myFeatAttributes[anAttrInd[0]]);
134 recalculateAttributes(aFilletArc, SketchPlugin_Arc::END_ID(),
135 myBaseFeatures[aFeatInd[1]], myFeatAttributes[anAttrInd[1]]);
137 FeaturePtr aConstraint;
139 // Create coincidence features.
140 aConstraint = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
141 SketchPlugin_ConstraintCoincidence::ID(),
142 aFilletArc->attribute(SketchPlugin_Arc::START_ID()),
143 myBaseFeatures[aFeatInd[0]]->attribute(myFeatAttributes[anAttrInd[0]]));
144 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
145 aConstraint = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
146 SketchPlugin_ConstraintCoincidence::ID(),
147 aFilletArc->attribute(SketchPlugin_Arc::END_ID()),
148 myBaseFeatures[aFeatInd[1]]->attribute(myFeatAttributes[anAttrInd[1]]));
149 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
151 // Create tangent features.
152 for (int i = 0; i < 2; i++) {
153 aConstraint = SketchPlugin_Tools::createConstraintObjectObject(sketch(),
154 SketchPlugin_ConstraintTangent::ID(),
155 aFilletArc->lastResult(),
156 myBaseFeatures[i]->lastResult());
157 aConstraint->execute();
158 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
161 // Send events to update the sub-features by the solver.
163 Events_Loop::loop()->setFlushed(anUpdateEvent, true);
166 AISObjectPtr SketchPlugin_Fillet::getAISObject(AISObjectPtr thePrevious)
168 if(myFilletCreated) {
169 return AISObjectPtr();
172 SketchPlugin_Sketch* aSketch = sketch();
174 return AISObjectPtr();
177 if (!calculateFilletParameters())
178 return AISObjectPtr();
180 // Create arc for presentation.
181 std::shared_ptr<GeomAPI_Pnt> aCenterPnt(aSketch->to3D(myCenterXY->x(), myCenterXY->y()));
182 std::shared_ptr<GeomAPI_Pnt> aTangentPnt1(aSketch->to3D(myTangentXY1->x(),
184 std::shared_ptr<GeomAPI_Pnt> aTangentPnt2(aSketch->to3D(myTangentXY2->x(),
186 std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
187 aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
188 std::shared_ptr<GeomAPI_Shape> anArcShape =
189 GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenterPnt, aTangentPnt1, aTangentPnt2, aNDir->dir());
191 AISObjectPtr anAISObject = thePrevious;
192 if(!anAISObject.get()) {
193 anAISObject = AISObjectPtr(new GeomAPI_AISObject);
195 anAISObject->createShape(anArcShape);
196 bool isAxiliary = false;
197 AttributeBooleanPtr aAttr = boolean(AUXILIARY_ID());
199 isAxiliary = aAttr->value();
200 SketchPlugin_Tools::customizeFeaturePrs(anAISObject, isAxiliary);
204 bool SketchPlugin_Fillet::calculateFilletParameters()
207 AttributeRefAttrPtr aPointRefAttr = refattr(FILLET_POINT_ID());
208 if (!aPointRefAttr->isInitialized() || aPointRefAttr->isObject())
210 std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2D =
211 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aPointRefAttr->attr());
212 if (!aFilletPoint2D.get())
215 std::set<AttributePoint2DPtr> aCoincidentPoints =
216 SketchPlugin_Tools::findPointsCoincidentToPoint(aFilletPoint2D);
217 std::set<FeaturePtr> aFilletFeatures;
218 for (std::set<AttributePoint2DPtr>::iterator aCPIt = aCoincidentPoints.begin();
219 aCPIt != aCoincidentPoints.end(); ++aCPIt) {
220 std::shared_ptr<SketchPlugin_Feature> anOwner =
221 std::dynamic_pointer_cast<SketchPlugin_Feature>(
222 ModelAPI_Feature::feature((*aCPIt)->owner()));
223 if (anOwner && !anOwner->isExternal())
224 aFilletFeatures.insert(anOwner);
226 if (aFilletFeatures.size() != 2) {
227 setError("Error: Selected point does not have two suitable edges for fillet.");
231 std::set<FeaturePtr>::iterator aFIt = aFilletFeatures.begin();
232 myBaseFeatures[0] = *aFIt;
233 myBaseFeatures[1] = *(++aFIt);
235 std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
236 double aRadius = calculateFilletRadius(myBaseFeatures);
238 // Calculate arc attributes.
239 static const int aNbFeatures = 2;
240 // First pair of points relate to first feature, second pair - to second.
241 std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2];
242 for (int i = 0; i < aNbFeatures; i++) {
243 std::string aStartAttr, aEndAttr;
244 if (myBaseFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
245 aStartAttr = SketchPlugin_Line::START_ID();
246 aEndAttr = SketchPlugin_Line::END_ID();
247 } else if (myBaseFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
248 aStartAttr = SketchPlugin_Arc::START_ID();
249 aEndAttr = SketchPlugin_Arc::END_ID();
250 } else { // Wrong argument.
251 setError("Error: One of the points has wrong coincide feature");
254 myFeatAttributes[2*i] = aStartAttr;
255 aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
256 myBaseFeatures[i]->attribute(aStartAttr))->pnt();
257 myFeatAttributes[2*i+1] = aEndAttr;
258 aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
259 myBaseFeatures[i]->attribute(aEndAttr))->pnt();
261 for (int aFeatInd = 0; aFeatInd < aNbFeatures; aFeatInd++) {
262 for (int j = 0; j < 2; j++) // loop on start-end of each feature
263 if (aStartEndPnt[aFeatInd * aNbFeatures + j]->distance(aFilletPnt2d) < 1.e-10) {
264 myIsNotInversed[aFeatInd] = (j==0);
269 std::shared_ptr<GeomAPI_Ax3> aSketchPlane = SketchPlugin_Sketch::plane(sketch());
270 calculateFilletCenter(myBaseFeatures, aRadius, aSketchPlane,
271 myCenterXY, myTangentXY1, myTangentXY2);
273 // Tangent directions of the features in coincident point.
274 std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures];
275 for (int i = 0; i < aNbFeatures; i++) {
276 std::shared_ptr<GeomAPI_XY> aDir;
277 if (myBaseFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
278 aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
279 if (!myIsNotInversed[i])
280 aDir = aDir->multiplied(-1.0);
281 } else if (myBaseFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
282 std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint =
283 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
284 myBaseFeatures[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
285 aDir = myIsNotInversed[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
286 aDir = aDir->decreased(aCenterPoint->xy());
288 double x = aDir->x();
289 double y = aDir->y();
292 if (myIsNotInversed[i] ==
293 std::dynamic_pointer_cast<SketchPlugin_Arc>(myBaseFeatures[i])->isReversed())
294 aDir = aDir->multiplied(-1.0);
296 aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
299 // By default, the start point of fillet arc is connected to FeatureA,
300 // and the end point - to FeatureB. But when the angle between TangentDirA and
301 // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
302 double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A),
303 // where A and B - angles between corresponding tanget direction and the X axis
304 myIsReversed = cosBA > 0.0;
307 std::shared_ptr<GeomAPI_XY> aTmp = myTangentXY1;
308 myTangentXY1 = myTangentXY2;
314 FeaturePtr SketchPlugin_Fillet::createFilletArc()
316 // Calculate Fillet parameters if does not yet
317 if (!myBaseFeatures[0] || !myBaseFeatures[1])
318 calculateFilletParameters();
320 // fix for issue #2810 (sometimes, myCenterXY is NULL, fillet should report an error)
324 // Create arc feature.
325 FeaturePtr aFilletArc = sketch()->addFeature(SketchPlugin_Arc::ID());
327 // Set arc attributes.
328 bool aWasBlocked = aFilletArc->data()->blockSendAttributeUpdated(true);
329 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
330 aFilletArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(myCenterXY->x(),
332 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
333 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
334 aFilletArc->attribute(SketchPlugin_Arc::START_ID()));
335 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint =
336 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
337 aFilletArc->attribute(SketchPlugin_Arc::END_ID()));
338 if(aStartPoint->isInitialized() && aEndPoint->isInitialized()
339 && (aStartPoint->pnt()->xy()->distance(myTangentXY1) > tolerance
340 || aEndPoint->pnt()->xy()->distance(myTangentXY2) > tolerance)) {
341 std::dynamic_pointer_cast<SketchPlugin_Arc>(aFilletArc)->setReversed(false);
343 aStartPoint->setValue(myTangentXY1->x(), myTangentXY1->y());
344 aEndPoint->setValue(myTangentXY2->x(), myTangentXY2->y());
345 aFilletArc->data()->blockSendAttributeUpdated(aWasBlocked);
346 aFilletArc->execute();
351 FeaturePtr SketchPlugin_Fillet::createFilletApex(const GeomPnt2dPtr& theCoordinates)
353 FeaturePtr anApex = sketch()->addFeature(SketchPlugin_Point::ID());
354 AttributePoint2DPtr aCoord = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
355 anApex->attribute(SketchPlugin_Point::COORD_ID()));
356 aCoord->setValue(theCoordinates);
357 anApex->boolean(SketchPlugin_Point::AUXILIARY_ID())->setValue(true);
359 // additional coincidence constraints
360 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
361 FeaturePtr aConstraint;
362 for (int i = 0; i < 2; i++) {
363 aConstraint = SketchPlugin_Tools::createConstraintAttrObject(sketch(),
364 SketchPlugin_ConstraintCoincidence::ID(),
366 myBaseFeatures[i]->lastResult());
367 aConstraint->execute();
368 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
375 AttributePtr myPoints[2];
376 std::string myValueText;
377 double myValueDouble;
378 GeomPnt2dPtr myFlyoutPoint;
382 void SketchPlugin_Fillet::removeReferencesButKeepDistances(
383 std::set<FeaturePtr>& theFeaturesToRemove,
384 const AttributePoint2DPtr theFilletPoints[2])
386 FeaturePtr aFilletApex;
387 std::list<Length> aLengthToDistance;
389 std::set<FeaturePtr>::iterator aFeat = theFeaturesToRemove.begin();
390 while (aFeat != theFeaturesToRemove.end()) {
391 std::shared_ptr<SketchPlugin_ConstraintDistance> aDistance =
392 std::dynamic_pointer_cast<SketchPlugin_ConstraintDistance>(*aFeat);
395 aFilletApex = createFilletApex(theFilletPoints[0]->pnt());
396 // update attributes of distance constraints
397 bool isUpdated = false;
398 for (int attrInd = 0; attrInd < CONSTRAINT_ATTR_SIZE && !isUpdated; ++attrInd) {
399 AttributeRefAttrPtr aRefAttr =
400 aDistance->refattr(SketchPlugin_Constraint::ATTRIBUTE(attrInd));
401 if (aRefAttr && !aRefAttr->isObject() &&
402 (aRefAttr->attr() == theFilletPoints[0] || aRefAttr->attr() == theFilletPoints[1])) {
403 aRefAttr->setAttr(aFilletApex->attribute(SketchPlugin_Point::COORD_ID()));
407 // avoid distance from removing if it is updated
408 std::set<FeaturePtr>::iterator aKeepIt = aFeat++;
410 theFeaturesToRemove.erase(aKeepIt);
413 std::shared_ptr<SketchPlugin_ConstraintLength> aLength =
414 std::dynamic_pointer_cast<SketchPlugin_ConstraintLength>(*aFeat);
417 aFilletApex = createFilletApex(theFilletPoints[0]->pnt());
418 // remove Length, but create new distance constraint
419 AttributeRefAttrPtr aRefAttr =
420 aLength->refattr(SketchPlugin_Constraint::ENTITY_A());
421 FeaturePtr aLine = ModelAPI_Feature::feature(aRefAttr->object());
423 aLengthToDistance.push_back(Length());
424 Length& aNewLength = aLengthToDistance.back();
426 for (int i = 0; i < 2; ++i) {
427 AttributePtr anAttr = aLine->attribute(
428 i == 0 ? SketchPlugin_Line::START_ID() : SketchPlugin_Line::END_ID());
429 if (anAttr == theFilletPoints[0] || anAttr == theFilletPoints[1])
430 aNewLength.myPoints[i] = aFilletApex->attribute(SketchPlugin_Point::COORD_ID());
432 aNewLength.myPoints[i] = anAttr;
435 AttributeDoublePtr aValue = aLength->real(SketchPlugin_Constraint::VALUE());
436 aNewLength.myValueDouble = aValue->value();
437 aNewLength.myValueText = aValue->text();
438 // auxiliary attributes
439 AttributePoint2DPtr aFlyoutAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
440 aLength->attribute(SketchPlugin_ConstraintLength::FLYOUT_VALUE_PNT()));
441 if (aFlyoutAttr && aFlyoutAttr->isInitialized())
442 aNewLength.myFlyoutPoint = SketchPlugin_Tools::flyoutPointCoordinates(aLength);
443 AttributeIntegerPtr aLocationAttr =
444 aLength->integer(SketchPlugin_ConstraintLength::LOCATION_TYPE_ID());
445 if (aLocationAttr && aLocationAttr->isInitialized())
446 aNewLength.myLocationType = aLocationAttr->value();
448 aNewLength.myLocationType = -1;
457 ModelAPI_Tools::removeFeaturesAndReferences(theFeaturesToRemove);
458 Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
460 // restore Length constraints as point-point distances
461 FeaturePtr aConstraint;
462 std::list<Length>::iterator anIt = aLengthToDistance.begin();
463 for (; anIt != aLengthToDistance.end(); ++anIt) {
464 aConstraint = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
465 SketchPlugin_ConstraintDistance::ID(), anIt->myPoints[0], anIt->myPoints[1]);
467 AttributeDoublePtr aValue = aConstraint->real(SketchPlugin_Constraint::VALUE());
468 if (anIt->myValueText.empty())
469 aValue->setValue(anIt->myValueDouble);
471 aValue->setText(anIt->myValueText);
472 // set flyout point if exists
473 if (anIt->myFlyoutPoint) {
474 AttributePoint2DPtr aFlyoutAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
475 aConstraint->attribute(SketchPlugin_ConstraintDistance::FLYOUT_VALUE_PNT()));
476 aFlyoutAttr->setValue(anIt->myFlyoutPoint);
478 // set location type if initialized
479 if (anIt->myLocationType >= 0) {
480 AttributeIntegerPtr aLocationType =
481 aConstraint->integer(SketchPlugin_ConstraintDistance::LOCATION_TYPE_ID());
482 aLocationType->setValue(anIt->myLocationType);
484 aConstraint->execute();
485 ModelAPI_EventCreator::get()->sendUpdated(aConstraint,
486 Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
490 // ========= Auxiliary functions =================
491 void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
492 FeaturePtr theFeature, const std::string& theFeatureAttribute)
494 std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
495 theNewArc->attribute(theNewArcAttribute))->pnt();
496 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
497 theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
500 static std::shared_ptr<GeomAPI_Pnt2d> toPoint(const AttributePtr& theAttribute)
502 std::shared_ptr<GeomAPI_Pnt2d> aPoint;
503 AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute);
505 aPoint = aPointAttr->pnt();
509 static std::shared_ptr<GeomAPI_Lin2d> toLine(const FeaturePtr& theFeature)
511 std::shared_ptr<GeomAPI_Lin2d> aLine;
512 if (theFeature->getKind() == SketchPlugin_Line::ID()) {
513 std::shared_ptr<GeomAPI_Pnt2d> aStart =
514 toPoint( theFeature->attribute(SketchPlugin_Line::START_ID()) );
515 std::shared_ptr<GeomAPI_Pnt2d> aEnd =
516 toPoint( theFeature->attribute(SketchPlugin_Line::END_ID()) );
517 aLine = std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aStart, aEnd));
522 static std::shared_ptr<GeomAPI_Circ2d> toCircle(const FeaturePtr& theFeature)
524 std::shared_ptr<GeomAPI_Circ2d> aCircle;
525 if (theFeature->getKind() == SketchPlugin_Arc::ID()) {
526 std::shared_ptr<GeomAPI_Pnt2d> aCenter =
527 toPoint( theFeature->attribute(SketchPlugin_Arc::CENTER_ID()) );
528 std::shared_ptr<GeomAPI_Pnt2d> aStart =
529 toPoint( theFeature->attribute(SketchPlugin_Arc::START_ID()) );
530 aCircle = std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(aCenter, aStart));
536 void calculateFilletCenter(FeaturePtr theFilletFeatures[2],
537 double theFilletRadius,
538 const std::shared_ptr<GeomAPI_Ax3>& theSketchPlane,
539 std::shared_ptr<GeomAPI_XY>& theCenter,
540 std::shared_ptr<GeomAPI_XY>& theTangentA,
541 std::shared_ptr<GeomAPI_XY>& theTangentB)
543 GeomShapePtr aShapeA = theFilletFeatures[0]->lastResult()->shape();
544 GeomShapePtr aShapeB = theFilletFeatures[1]->lastResult()->shape();
546 GeomAlgoAPI_Circ2dBuilder aCircBuilder(theSketchPlane);
547 aCircBuilder.addTangentCurve(aShapeA);
548 aCircBuilder.addTangentCurve(aShapeB);
549 aCircBuilder.setRadius(theFilletRadius);
551 std::shared_ptr<GeomAPI_Circ2d> aFilletCircle = aCircBuilder.circle();
555 theCenter = aFilletCircle->center()->xy();
557 std::shared_ptr<GeomAPI_Pnt2d> aTgPoints[2];
558 for (int i = 0; i < 2; ++i) {
559 std::shared_ptr<GeomAPI_Circ2d> aCircle = toCircle(theFilletFeatures[i]);
561 aTgPoints[i] = aCircle->project(aFilletCircle->center());
563 std::shared_ptr<GeomAPI_Lin2d> aLine = toLine(theFilletFeatures[i]);
565 aTgPoints[i] = aLine->project(aFilletCircle->center());
568 theTangentA = aTgPoints[0]->xy();
569 theTangentB = aTgPoints[1]->xy();
572 double calculateFilletRadius(FeaturePtr theFilletFeatures[2])
574 double aLengths[2] = { 0, 0 };
575 for (int i = 0; i < 2; ++i) {
576 GeomShapePtr aShape = theFilletFeatures[i]->lastResult()->shape();
577 std::shared_ptr<GeomAPI_Edge> anEdge = std::dynamic_pointer_cast<GeomAPI_Edge>(aShape);
579 aLengths[i] = anEdge->length();
581 return (aLengths[0] < aLengths[1] ? aLengths[0] : aLengths[1]) / 6.0;
584 std::set<FeaturePtr> findFeaturesToRemove(const FeaturePtr theFeature,
585 const AttributePtr theAttribute) {
586 std::set<FeaturePtr> aFeaturesToBeRemoved;
587 std::set<AttributePtr> aRefs = theFeature->data()->refsToMe();
588 std::list<ResultPtr> aResults = theFeature->results();
589 for(std::list<ResultPtr>::const_iterator aResultsIt = aResults.cbegin();
590 aResultsIt != aResults.cend();
592 ResultPtr aResult = *aResultsIt;
593 std::set<AttributePtr> aResultRefs = aResult->data()->refsToMe();
594 aRefs.insert(aResultRefs.begin(), aResultRefs.end());
596 for(std::set<AttributePtr>::const_iterator anIt = aRefs.cbegin();
597 anIt != aRefs.cend();
599 std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
600 FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
601 if(aFeature->getKind() == SketchPlugin_Fillet::ID()) {
604 if(aFeature->getKind() == SketchPlugin_ConstraintLength::ID()
605 || aFeature->getKind() == SketchPlugin_ConstraintEqual::ID()
606 || aFeature->getKind() == SketchPlugin_ConstraintMiddle::ID()) {
607 aFeaturesToBeRemoved.insert(aFeature);
609 std::list<AttributePtr> anAttrs =
610 aFeature->data()->attributes(ModelAPI_AttributeRefAttr::typeId());
611 for(std::list<AttributePtr>::const_iterator aRefAttrsIt = anAttrs.cbegin();
612 aRefAttrsIt != anAttrs.cend();
614 AttributeRefAttrPtr anAttrRefAttr =
615 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefAttrsIt);
616 if(anAttrRefAttr.get() && anAttrRefAttr->attr() == theAttribute) {
617 aFeaturesToBeRemoved.insert(aFeature);
622 return aFeaturesToBeRemoved;