1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: SketchPlugin_Arc.cpp
4 // Created: 26 Apr 2014
5 // Author: Artem ZHIDKOV
7 #include "SketchPlugin_Arc.h"
8 #include "SketchPlugin_Sketch.h"
9 #include <SketchPlugin_ConstraintCoincidence.h>
10 #include <SketchPlugin_ConstraintTangent.h>
12 #include <Events_Loop.h>
13 #include <ModelAPI_Data.h>
14 #include <ModelAPI_ResultConstruction.h>
15 #include <ModelAPI_AttributeDouble.h>
16 #include <ModelAPI_AttributeRefAttr.h>
17 #include <ModelAPI_AttributeSelection.h>
18 #include <ModelAPI_AttributeString.h>
19 #include <ModelAPI_Events.h>
20 #include <ModelAPI_Validator.h>
21 #include <ModelAPI_Session.h>
22 #include <ModelAPI_Tools.h>
24 #include <GeomAPI_Ax2.h>
25 #include <GeomAPI_Circ2d.h>
26 #include <GeomAPI_Circ.h>
27 #include <GeomAPI_Dir2d.h>
28 #include <GeomAPI_Dir.h>
29 #include <GeomAPI_Lin2d.h>
30 #include <GeomAPI_Lin.h>
31 #include <GeomAPI_Pnt2d.h>
32 #include <GeomAPI_XY.h>
33 #include <GeomDataAPI_Point2D.h>
34 #include <GeomDataAPI_Dir.h>
35 #include <GeomAlgoAPI_PointBuilder.h>
36 #include <GeomAlgoAPI_EdgeBuilder.h>
37 #include <GeomAlgoAPI_CompoundBuilder.h>
41 const double tolerance = 1e-7;
42 const double paramTolerance = 1.e-4;
43 const double PI =3.141592653589793238463;
46 static const std::string& POINT_ID(int theIndex)
49 case 1: return SketchPlugin_Arc::START_ID();
50 case 2: return SketchPlugin_Arc::END_ID();
51 case 3: return SketchPlugin_Arc::PASSED_POINT_ID();
54 static const std::string DUMMY;
61 SketchPlugin_Arc::SketchPlugin_Arc()
62 : SketchPlugin_SketchEntity()
64 myStartUpdate = false;
73 void SketchPlugin_Arc::initDerivedClassAttributes()
75 data()->addAttribute(CENTER_ID(), GeomDataAPI_Point2D::typeId());
76 data()->addAttribute(START_ID(), GeomDataAPI_Point2D::typeId());
77 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
78 GeomDataAPI_Point2D>(data()->addAttribute(END_ID(), GeomDataAPI_Point2D::typeId()));
79 data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
80 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
82 AttributeBooleanPtr isInversed = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
83 data()->addAttribute(INVERSED_ID(), ModelAPI_AttributeBoolean::typeId()));
85 // get the initial values
86 if (anEndAttr->isInitialized()) {
87 myXEndBefore = anEndAttr->x();
88 myYEndBefore = anEndAttr->y();
91 AttributeStringPtr anArcType = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
92 data()->addAttribute(ARC_TYPE(), ModelAPI_AttributeString::typeId()));
94 data()->addAttribute(PASSED_POINT_ID(), GeomDataAPI_Point2D::typeId());
95 data()->addAttribute(TANGENT_POINT_ID(), ModelAPI_AttributeRefAttr::typeId());
96 data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
97 data()->addAttribute(ANGLE_ID(), ModelAPI_AttributeDouble::typeId());
99 // set after all to avoid in attributeChanged reference to not existing attributes
100 if (!isInversed->isInitialized())
101 isInversed->setValue(false);
102 anArcType->setValue(ARC_TYPE_CENTER_START_END());
105 void SketchPlugin_Arc::execute()
107 SketchPlugin_Sketch* aSketch = sketch();
108 // result for the arc is set only when all obligatory attributes are initialized,
109 // otherwise AIS object is used to visualize the arc's preview
110 if (aSketch && isFeatureValid()) {
111 bool hasResult = lastResult().get() != NULL;
113 // compute a circle point in 3D view
114 std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
115 GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
116 // compute the arc start point
117 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
118 GeomDataAPI_Point2D>(data()->attribute(START_ID()));
120 std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
121 // make a visible point
122 std::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
123 std::shared_ptr<ModelAPI_ResultConstruction> aConstr1 = document()->createConstruction(
125 aConstr1->setShape(aCenterPointShape);
126 aConstr1->setIsInHistory(false);
127 setResult(aConstr1, 0);
129 // make a visible circle
130 std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
131 aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
132 std::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
133 std::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
135 // compute and change the arc end point
136 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
137 GeomDataAPI_Point2D>(data()->attribute(END_ID()));
138 std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
139 new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
140 std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
141 if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance)
142 anEndAttr->setValue(aProjection);
143 std::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
144 AttributeBooleanPtr isInversed =
145 std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()));
147 std::shared_ptr<GeomAPI_Dir> anXDir(new GeomAPI_Dir(aStartPoint->xyz()->decreased(aCenter->xyz())));
148 std::shared_ptr<GeomAPI_Ax2> anAx2(new GeomAPI_Ax2(aCenter, aNormal, anXDir));
149 std::shared_ptr<GeomAPI_Circ> aCirc(new GeomAPI_Circ(anAx2, aCenter->distance(aStartPoint)));
150 double aParameterNew = 0.0;
151 if(aCirc->parameter(aEndPoint, paramTolerance, aParameterNew)) {
152 if(0 <= myParamBefore && myParamBefore <= PI / 2.0
153 && PI * 1.5 <= aParameterNew && aParameterNew <= PI * 2.0) {
154 isInversed->setValue(true);
155 } else if(PI * 1.5 <= myParamBefore && myParamBefore <= PI * 2.0
156 && 0 <= aParameterNew && aParameterNew <= PI / 2.0) {
157 isInversed->setValue(false);
160 myParamBefore = aParameterNew;
162 std::shared_ptr<GeomAPI_Shape> aCircleShape;
163 if(!isInversed->value()) {
164 aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStartPoint, aEndPoint, aNormal);
166 aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aEndPoint, aStartPoint, aNormal);
170 std::shared_ptr<ModelAPI_ResultConstruction> aConstr2 = document()->createConstruction(
172 aConstr2->setShape(aCircleShape);
173 aConstr2->setIsInHistory(false);
174 setResult(aConstr2, 1);
179 AISObjectPtr SketchPlugin_Arc::getAISObject(AISObjectPtr thePrevious)
181 SketchPlugin_Sketch* aSketch = sketch();
183 // if the feature is valid, the execute() method should be performed, AIS object is empty
184 if (!isFeatureValid()) {
185 // compute a circle point in 3D view
186 std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
187 GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
189 std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
190 if (aCenterAttr->isInitialized()) {
191 std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
193 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
194 GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::START_ID()));
195 std::shared_ptr<GeomDataAPI_Point2D> aEndAttr = std::dynamic_pointer_cast<
196 GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::END_ID()));
197 AttributeStringPtr aTypeAttr = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
198 data()->attribute(ARC_TYPE()));
200 if (aStartAttr->isInitialized()) {
201 // make a visible circle
202 std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
203 aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
204 bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
206 std::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
207 std::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
208 std::shared_ptr<GeomAPI_Pnt> aEndPoint = aStartPoint;
209 if (aTypeAttr && aTypeAttr->isInitialized() &&
210 aTypeAttr->value() == ARC_TYPE_THREE_POINTS() && aEndAttr->isInitialized() &&
211 aEndAttr->pnt()->distance(aStartAttr->pnt()) > tolerance) {
212 aEndPoint = aSketch->to3D(aEndAttr->x(), aEndAttr->y());
213 std::shared_ptr<GeomDataAPI_Point2D> aPassedAttr =
214 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()));
215 if (!aPassedAttr->isInitialized()) { // calculate the appropriate center for the presentation
216 std::shared_ptr<GeomAPI_XY> aDir =
217 aEndAttr->pnt()->xy()->decreased(aStartAttr->pnt()->xy())->multiplied(0.5);
218 double x = aDir->x();
219 double y = aDir->y();
222 std::shared_ptr<GeomAPI_XY> aCenterXY = aStartAttr->pnt()->xy()->added(aDir);
223 aCenter = aSketch->to3D(aCenterXY->x(), aCenterXY->y());
227 std::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(
228 aCenter, aStartPoint, aEndPoint, aNormal);
230 aShapes.push_back(aCircleShape);
233 // make a visible point
234 std::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
235 aShapes.push_back(aCenterPointShape);
237 if (!aShapes.empty()) {
238 std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
239 AISObjectPtr anAIS = thePrevious;
241 anAIS = AISObjectPtr(new GeomAPI_AISObject);
242 anAIS->createShape(aCompound);
248 return AISObjectPtr();
251 void SketchPlugin_Arc::move(double theDeltaX, double theDeltaY)
253 std::shared_ptr<ModelAPI_Data> aData = data();
254 if (!aData->isValid())
257 aData->blockSendAttributeUpdated(true);
259 myStartUpdate = true;
261 std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
262 aData->attribute(SketchPlugin_Arc::START_ID()));
263 aPoint2->move(theDeltaX, theDeltaY);
265 std::shared_ptr<GeomDataAPI_Point2D> aPoint3 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
266 aData->attribute(SketchPlugin_Arc::END_ID()));
267 aPoint3->move(theDeltaX, theDeltaY);
268 myStartUpdate = false;
271 std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
272 aData->attribute(SketchPlugin_Arc::CENTER_ID()));
273 aPoint1->move(theDeltaX, theDeltaY);
275 std::shared_ptr<GeomDataAPI_Point2D> aPassedPoint =
276 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(PASSED_POINT_ID()));
277 aPassedPoint->move(theDeltaX, theDeltaY);
278 aData->blockSendAttributeUpdated(false);
281 bool SketchPlugin_Arc::isFixed() {
282 return data()->selection(EXTERNAL_ID())->context().get() != NULL;
285 bool SketchPlugin_Arc::isFeatureValid()
287 AttributeStringPtr anArcTypeAttr =
288 std::dynamic_pointer_cast<ModelAPI_AttributeString>(data()->attribute(ARC_TYPE()));
291 std::string anArcType = anArcTypeAttr->value();
293 std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
294 GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::CENTER_ID()));
295 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
296 GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::START_ID()));
297 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
298 GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::END_ID()));
299 std::shared_ptr<GeomDataAPI_Point2D> aPassedAttr = std::dynamic_pointer_cast<
300 GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()));
302 bool isValid = false;
303 if (anArcType == ARC_TYPE_THREE_POINTS())
304 isValid = aStartAttr->isInitialized() && anEndAttr->isInitialized() && aPassedAttr->isInitialized();
306 isValid = aCenterAttr->isInitialized() && aStartAttr->isInitialized() && anEndAttr->isInitialized();
311 static inline void adjustPeriod(double& theParam)
313 static const double PERIOD = 2.0 * PI;
314 while (theParam < 0.0) theParam += PERIOD;
315 while (theParam >= PERIOD) theParam -= PERIOD;
318 void SketchPlugin_Arc::attributeChanged(const std::string& theID)
320 std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
321 GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
322 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
323 GeomDataAPI_Point2D>(data()->attribute(START_ID()));
324 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
325 GeomDataAPI_Point2D>(data()->attribute(END_ID()));
326 // the second condition for unability to move external segments anywhere
327 if (theID == EXTERNAL_ID() || isFixed()) {
328 std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
329 // update arguments due to the selection value
330 if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
331 std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
332 std::shared_ptr<GeomAPI_Circ> aCirc = anEdge->circle();
334 aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
335 anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
336 aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
338 data()->real(RADIUS_ID())->setValue(aCirc->radius());
339 double aStartAngle, aEndAngle;
340 anEdge->getRange(aStartAngle, aEndAngle);
341 data()->real(ANGLE_ID())->setValue(aEndAngle - aStartAngle);
346 AttributeStringPtr aTypeAttr =
347 std::dynamic_pointer_cast<ModelAPI_AttributeString>(attribute(ARC_TYPE()));
349 // this is before others since here end attribute may be changed, but with the special behavior
350 if (aTypeAttr->value() == ARC_TYPE_TANGENT() && (theID == TANGENT_POINT_ID() || theID == END_ID())) {
351 SketchPlugin_Sketch* aSketch = sketch();
352 AttributeRefAttrPtr aTangPtAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
353 data()->attribute(TANGENT_POINT_ID()));
355 if (aTangPtAttr->isInitialized() && anEndAttr->isInitialized()) {
356 // compute orthogonal direction
357 std::shared_ptr<GeomAPI_Dir2d> anOrthoDir;
358 std::shared_ptr<GeomDataAPI_Point2D> aTangentPoint =
359 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aTangPtAttr->attr());
360 std::shared_ptr<GeomAPI_Pnt2d> aTangPnt2d = aTangentPoint->pnt();
361 FeaturePtr aTangFeature = ModelAPI_Feature::feature(aTangentPoint->owner());
362 std::shared_ptr<GeomAPI_Edge> aTangEdge = std::dynamic_pointer_cast<GeomAPI_Edge>(
363 aTangFeature->lastResult()->shape());
364 if (aTangEdge->isLine()) {
365 std::shared_ptr<GeomAPI_Dir> aDir = aTangEdge->line()->direction();
366 std::shared_ptr<GeomAPI_Pnt> aPnt(new GeomAPI_Pnt(aDir->x(), aDir->y(), aDir->z()));
367 std::shared_ptr<GeomAPI_Pnt2d> aPnt2d = aSketch->to2D(aPnt);
368 anOrthoDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aPnt2d->y(), aPnt2d->x()));
370 else if (aTangEdge->isArc()) {
371 std::shared_ptr<GeomAPI_Pnt> aCenter = aTangEdge->circle()->center();
372 std::shared_ptr<GeomAPI_Pnt2d> aCenter2d = aSketch->to2D(aCenter);
373 anOrthoDir = std::shared_ptr<GeomAPI_Dir2d>(
374 new GeomAPI_Dir2d(aTangPnt2d->xy()->decreased(aCenter2d->xy())));
377 // compute parameters of the middle perpendicular
378 std::shared_ptr<GeomAPI_XY> aEndPntCoord = anEndAttr->pnt()->xy();
379 std::shared_ptr<GeomAPI_XY> aTempDir = aEndPntCoord->decreased(aTangPnt2d->xy());
380 std::shared_ptr<GeomAPI_Dir2d> aMidDir(new GeomAPI_Dir2d(-aTempDir->y(), aTempDir->x()));
381 std::shared_ptr<GeomAPI_Pnt2d> aMidPnt(
382 new GeomAPI_Pnt2d(aEndPntCoord->added(aTangPnt2d->xy())->multiplied(0.5)));
384 // compute center of arc by calculating intersection of orthogonal line and middle perpendicular
385 std::shared_ptr<GeomAPI_Lin2d> anOrthoLine(new GeomAPI_Lin2d(aTangPnt2d, anOrthoDir));
386 std::shared_ptr<GeomAPI_Lin2d> aMiddleLine(new GeomAPI_Lin2d(aMidPnt, aMidDir));
387 std::shared_ptr<GeomAPI_Pnt2d> aCenter = anOrthoLine->intersect(aMiddleLine);
389 data()->blockSendAttributeUpdated(true);
390 aCenterAttr->setValue(aCenter);
391 aStartAttr->setValue(aTangPnt2d);
392 data()->blockSendAttributeUpdated(false);
395 tangencyArcConstraints();
400 // if changed the base attributes, update all other (is necessary) without recursion
401 if (theID == CENTER_ID() || theID == START_ID() || theID == END_ID() || theID == ARC_TYPE()) {
402 if (!isFeatureValid())
404 std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCenterAttr->pnt();
405 std::shared_ptr<GeomAPI_Pnt2d> aStart = aStartAttr->pnt();
406 std::shared_ptr<GeomAPI_Pnt2d> anEnd = anEndAttr->pnt();
407 double aRadius = aCenter->distance(aStart);
408 if (aRadius < tolerance)
410 std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(new GeomAPI_Circ2d(aCenter, aStart));
412 data()->blockSendAttributeUpdated(true);
413 if (theID == END_ID() && isStable()) {
414 // The arc is under construction, so its end point projected
415 // on the circle formed by center and start points
416 std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEnd);
417 if (aProjection && anEnd->distance(aProjection) > tolerance) {
418 anEndAttr->setValue(aProjection);
422 // update all other attributes due to the base attributes values
423 if (aTypeAttr->value() == ARC_TYPE_THREE_POINTS()) { // update passed point due to start, end and center
424 if (aCenter->distance(aStart) > tolerance && aCenter->distance(anEnd) > tolerance) {
425 // project passed point t othe circle
426 std::shared_ptr<GeomDataAPI_Point2D> aPassedAttr =
427 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()));
428 if (aPassedAttr->isInitialized()) {
429 std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(aPassedAttr->pnt());
430 if (aProjection && aPassedAttr->pnt()->distance(aProjection) > tolerance) {
431 aPassedAttr->setValue(aProjection);
433 } else { // initialize it by some middle - value
434 std::shared_ptr<GeomAPI_Dir2d> aStartDir(new GeomAPI_Dir2d(
435 aStart->xy()->decreased(aCenter->xy())));
436 std::shared_ptr<GeomAPI_Dir2d> aEndDir(new GeomAPI_Dir2d(
437 anEnd->xy()->decreased(aCenter->xy())));
438 std::shared_ptr<GeomAPI_XY> aMidDirXY = aStartDir->xy()->added(aEndDir->xy());
439 if (aMidDirXY->dot(aMidDirXY) < tolerance * tolerance) {
440 // start and end directions are opposite, so middle direction will be orthogonal
441 aMidDirXY->setX(-aStartDir->y());
442 aMidDirXY->setY(aStartDir->x());
444 std::shared_ptr<GeomAPI_Dir2d> aMidDir(new GeomAPI_Dir2d(aMidDirXY));
445 if ((aStartDir->cross(aMidDir) > 0) ^ !isReversed())
447 std::shared_ptr<GeomAPI_XY> aPassedPnt =
448 aCenter->xy()->added(aMidDir->xy()->multiplied(aCenter->distance(aStart)));
449 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()))->
450 setValue(aPassedPnt->x(), aPassedPnt->y());
454 // update radius and angle
455 AttributeDoublePtr aRadiusAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
456 data()->attribute(RADIUS_ID()));
457 aRadiusAttr->setValue(aRadius);
458 AttributeDoublePtr anAngleAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
459 data()->attribute(ANGLE_ID()));
460 std::shared_ptr<GeomAPI_Circ2d> aCircle(new GeomAPI_Circ2d(aCenter, aStart));
461 double aStartParam, aEndParam;
462 aCircle->parameter(aStart, paramTolerance, aStartParam);
463 aCircle->parameter(anEnd, paramTolerance, aEndParam);
464 adjustPeriod(aStartParam);
465 adjustPeriod(aEndParam);
466 if (aTypeAttr->value() == ARC_TYPE_THREE_POINTS()) { // use the passed point for the angle calculation
467 std::shared_ptr<GeomDataAPI_Point2D> aPassedAttr =
468 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()));
470 aCircle->parameter(aPassedAttr->pnt(), paramTolerance, aPassedParam);
471 adjustPeriod(aPassedParam);
472 double aNewAngle = aPassedParam >= aStartParam && aPassedParam <= aEndParam ?
473 ((aEndParam - aStartParam) * 180.0 / PI) :
474 ((aEndParam - aStartParam - 2.0 * PI) * 180.0 / PI);
475 if (fabs(aNewAngle - anAngleAttr->value()) > tolerance)
476 anAngleAttr->setValue(aNewAngle);
478 double aNewAngle = (aEndParam - aStartParam) * 180.0 / PI;
479 if (fabs(aNewAngle - anAngleAttr->value()) > tolerance)
480 anAngleAttr->setValue(aNewAngle);
482 // do not need to inform that other parameters were changed in this basis mode: these arguments
484 data()->blockSendAttributeUpdated(false, false);
488 if (theID == PASSED_POINT_ID()) {
489 data()->blockSendAttributeUpdated(true);
491 std::shared_ptr<GeomAPI_Pnt2d> aPoints[3];
492 int aNbInitialized = 0;
493 for (int i = 1; i <= 3; ++i) {
494 std::shared_ptr<GeomDataAPI_Point2D> aCurPnt =
495 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(POINT_ID(i)));
496 if (aCurPnt->isInitialized())
497 aPoints[aNbInitialized++] = aCurPnt->pnt();
500 if (aNbInitialized == 3) {
501 std::shared_ptr<GeomAPI_Circ2d> aCircle(
502 new GeomAPI_Circ2d(aPoints[0], aPoints[1], aPoints[2]));
504 std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCircle->center();
506 aCenterAttr->setValue(aCenter);
509 data()->blockSendAttributeUpdated(false);
513 if (theID == RADIUS_ID()) {
514 if (!aStartAttr->isInitialized() || !anEndAttr->isInitialized() || !aCenterAttr->isInitialized())
516 // move center and passed point
517 std::shared_ptr<GeomAPI_Pnt2d> aStart = aStartAttr->pnt();
518 std::shared_ptr<GeomAPI_Pnt2d> anEnd = anEndAttr->pnt();
519 std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCenterAttr->pnt();
520 if (aStart->distance(aCenter) < tolerance || anEnd->distance(aCenter) < tolerance)
522 AttributeDoublePtr aRadiusAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
523 data()->attribute(RADIUS_ID()));
524 double aRadius = aRadiusAttr->value();
526 data()->blockSendAttributeUpdated(true);
527 std::shared_ptr<GeomAPI_Dir2d> aStartDir(new GeomAPI_Dir2d(aStart->xy()->decreased(aCenter->xy())));
528 std::shared_ptr<GeomAPI_XY> aNewStart = aStartDir->xy()->multiplied(aRadius)->added(aCenter->xy());
529 aStartAttr->setValue(aNewStart->x(), aNewStart->y());
530 std::shared_ptr<GeomAPI_Dir2d> anEndDir(new GeomAPI_Dir2d(anEnd->xy()->decreased(aCenter->xy())));
531 std::shared_ptr<GeomAPI_XY> aNewEnd = anEndDir->xy()->multiplied(aRadius)->added(aCenter->xy());
532 anEndAttr->setValue(aNewEnd->x(), aNewEnd->y());
533 data()->blockSendAttributeUpdated(false);
536 if (theID == ANGLE_ID()) {
537 if (!aStartAttr->isInitialized() || !aCenterAttr->isInitialized())
539 AttributeDoublePtr anAngleAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
540 data()->attribute(ANGLE_ID()));
541 data()->blockSendAttributeUpdated(true);
542 // move end point and passed point
543 std::shared_ptr<GeomAPI_XY> aCenter = aCenterAttr->pnt()->xy();
544 double anAngle = anAngleAttr->value() * PI / 180.0;
545 double sinA = sin(anAngle);
546 double cosA = cos(anAngle);
547 std::shared_ptr<GeomAPI_XY> aStartDir = aStartAttr->pnt()->xy()->decreased(aCenter);
548 std::shared_ptr<GeomAPI_XY> aDir(new GeomAPI_XY(
549 aStartDir->x() * cosA - aStartDir->y() * sinA,
550 aStartDir->x() * sinA + aStartDir->y() * cosA));
551 anEndAttr->setValue(aCenter->x() + aDir->x(), aCenter->y() + aDir->y());
552 data()->blockSendAttributeUpdated(false);
557 void SketchPlugin_Arc::setReversed(bool isReversed)
559 std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()))->setValue(isReversed);
563 bool SketchPlugin_Arc::isReversed()
565 return std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()))->value();
568 void SketchPlugin_Arc::tangencyArcConstraints()
573 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
574 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_ID()));
575 AttributeRefAttrPtr aTangPtAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
576 attribute(TANGENT_POINT_ID()));
577 if (!aTangPtAttr->attr())
580 FeaturePtr aFeature = ModelAPI_Feature::feature(aStartAttr->owner());
581 ObjectPtr aThisArc = aFeature->lastResult();
582 aFeature = ModelAPI_Feature::feature(aTangPtAttr->attr()->owner());
583 ObjectPtr aTangFeature = aFeature->lastResult();
585 // trying to find constraints to fix the tangency of the arc
586 std::set<FeaturePtr> aCoincidence;
587 std::set<FeaturePtr> aTangency;
589 AttributeRefAttrPtr aRefAttrA, aRefAttrB;
590 std::set<AttributePtr> aRefs = data()->refsToMe();
591 const std::set<AttributePtr>& aRefsToResult = lastResult()->data()->refsToMe();
592 aRefs.insert(aRefsToResult.begin(), aRefsToResult.end());
593 std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
594 for (; aRefIt != aRefs.end(); ++aRefIt) {
595 FeaturePtr aConstrFeature = ModelAPI_Feature::feature((*aRefIt)->owner());
596 if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
597 aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
598 aConstrFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
599 aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
600 aConstrFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
601 if ((aRefAttrA && aRefAttrA->attr() == aStartAttr) ||
602 (aRefAttrB && aRefAttrB->attr() == aStartAttr))
603 aCoincidence.insert(aConstrFeature);
605 else if (aConstrFeature->getKind() == SketchPlugin_ConstraintTangent::ID()) {
606 aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
607 aConstrFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
608 aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
609 aConstrFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
610 if ((aRefAttrA && aRefAttrA->object() == aThisArc) ||
611 (aRefAttrB && aRefAttrB->object() == aThisArc))
612 aTangency.insert(aConstrFeature);
615 // search applicable pair of constraints
616 bool isFound = false;
617 FeaturePtr aPrevCoincidence, aPrevTangency;
618 std::set<FeaturePtr>::const_iterator aCIt, aTIt;
619 for (aCIt = aCoincidence.begin(); aCIt != aCoincidence.end() && !isFound; ++aCIt) {
620 aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
621 (*aCIt)->attribute(SketchPlugin_Constraint::ENTITY_A()));
622 aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
623 (*aCIt)->attribute(SketchPlugin_Constraint::ENTITY_B()));
624 AttributePtr anOtherPoint =
625 aRefAttrA->attr() == aStartAttr ? aRefAttrB->attr() : aRefAttrA->attr();
626 for (aTIt = aTangency.begin(); aTIt != aTangency.end() && !isFound; ++aTIt) {
627 aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
628 (*aTIt)->attribute(SketchPlugin_Constraint::ENTITY_A()));
629 aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
630 (*aTIt)->attribute(SketchPlugin_Constraint::ENTITY_B()));
631 ObjectPtr anOtherObject = aRefAttrA->object() == aThisArc ?
632 aRefAttrB->object() : aRefAttrA->object();
633 FeaturePtr anOtherFeature = ModelAPI_Feature::feature(anOtherObject);
634 if (anOtherPoint->owner() == anOtherFeature) {
636 aPrevCoincidence = *aCIt;
637 aPrevTangency = *aTIt;
643 // update previous constraints
644 aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
645 aPrevCoincidence->attribute(SketchPlugin_Constraint::ENTITY_A()));
646 aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
647 aPrevCoincidence->attribute(SketchPlugin_Constraint::ENTITY_B()));
648 if (aRefAttrA->attr() == aStartAttr)
649 aRefAttrB->setAttr(aTangPtAttr->attr());
651 aRefAttrA->setAttr(aTangPtAttr->attr());
653 aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
654 aPrevTangency->attribute(SketchPlugin_Constraint::ENTITY_A()));
655 aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
656 aPrevTangency->attribute(SketchPlugin_Constraint::ENTITY_B()));
657 if (aRefAttrA->object() == aThisArc)
658 aRefAttrB->setObject(aTangFeature);
660 aRefAttrA->setObject(aTangFeature);
662 // Wait all constraints being removed, then send update events
663 static Events_ID aDeleteEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
664 bool isDeleteFlushed = Events_Loop::loop()->isFlushed(aDeleteEvent);
666 Events_Loop::loop()->setFlushed(aDeleteEvent, false);
667 // Remove all obtained constraints which use current arc, because
668 // there is no information which of them were used to build tangency arc.
669 DocumentPtr aDoc = sketch()->document();
670 std::set<FeaturePtr> aFeaturesToBeRemoved;
671 for (aCIt = aCoincidence.begin(); aCIt != aCoincidence.end(); ++aCIt)
672 aFeaturesToBeRemoved.insert(*aCIt);
673 for (aTIt = aTangency.begin(); aTIt != aTangency.end(); ++aTIt)
674 aFeaturesToBeRemoved.insert(*aTIt);
675 ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToBeRemoved);
676 // Send events to update the sub-features by the solver.
678 Events_Loop::loop()->setFlushed(aDeleteEvent, true);
680 Events_Loop::loop()->flush(aDeleteEvent);
682 // Wait all constraints being created, then send update events
683 static Events_ID aCreateEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
684 bool isCreateFlushed = Events_Loop::loop()->isFlushed(aCreateEvent);
686 Events_Loop::loop()->setFlushed(aCreateEvent, false);
688 // Create new constraints
689 FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
690 aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
691 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
692 aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
693 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
694 aRefAttrA->setAttr(aStartAttr);
695 aRefAttrB->setAttr(aTangPtAttr->attr());
696 aConstraint->execute();
697 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, aCreateEvent);
699 aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
700 aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
701 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
702 aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
703 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
704 aRefAttrA->setObject(aThisArc);
705 aRefAttrB->setObject(aTangFeature);
706 aConstraint->execute();
707 ModelAPI_EventCreator::get()->sendUpdated(aConstraint, aCreateEvent);
709 // Send events to update the sub-features by the solver.
711 Events_Loop::loop()->setFlushed(aCreateEvent, true);
713 Events_Loop::loop()->flush(aCreateEvent);