#include "SketchPlugin_ConstraintFillet.h"
+#include <GeomAPI_Dir2d.h>
+#include <GeomAPI_Pnt2d.h>
+#include <GeomAPI_XY.h>
+#include <GeomDataAPI_Point2D.h>
#include <ModelAPI_AttributeDouble.h>
-#include <ModelAPI_Data.h>
-#include <ModelAPI_ResultConstruction.h>
#include <ModelAPI_AttributeRefAttr.h>
#include <ModelAPI_AttributeRefList.h>
+#include <ModelAPI_Data.h>
+#include <ModelAPI_Events.h>
+#include <ModelAPI_ResultConstruction.h>
#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
#include <SketchPlugin_Arc.h>
+#include <SketchPlugin_Line.h>
#include <SketchPlugin_Sketch.h>
+#include <SketchPlugin_ConstraintCoincidence.h>
+#include <SketchPlugin_ConstraintTangent.h>
+#include <SketchPlugin_ConstraintRadius.h>
#include <SketcherPrs_Factory.h>
#include <Config_PropManager.h>
+#include <Events_Loop.h>
+
+#include <math.h>
+
+static const std::string PREVIOUS_VALUE("FilletPreviousRadius");
+
+/// \brief Attract specified point on theNewArc to the attribute of theFeature
+static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
+ FeaturePtr theFeature, const std::string& theFeatureAttribute);
+
+/// \brief Calculates center of fillet arc and coordinates of tangency points
+static void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
+ double theRadius, bool theNotInversed[2],
+ std::shared_ptr<GeomAPI_XY>& theCenter,
+ std::shared_ptr<GeomAPI_XY>& theTangentA,
+ std::shared_ptr<GeomAPI_XY>& theTangentB);
+
SketchPlugin_ConstraintFillet::SketchPlugin_ConstraintFillet()
{
void SketchPlugin_ConstraintFillet::initAttributes()
{
- data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::type());
- data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::type());
- data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::type());
- data()->addAttribute(SketchPlugin_Constraint::ENTITY_C(), ModelAPI_AttributeRefList::type());
+ data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
+ data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
+ data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
+ data()->addAttribute(SketchPlugin_Constraint::ENTITY_C(), ModelAPI_AttributeRefList::typeId());
+ data()->addAttribute(PREVIOUS_VALUE, ModelAPI_AttributeDouble::typeId());
// initialize attribute not applicable for user
- data()->attribute(SketchPlugin_Constraint::ENTITY_C())->setInitialized();
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_C());
+ data()->attribute(PREVIOUS_VALUE)->setInitialized();
+ std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(PREVIOUS_VALUE))->setValue(0.0);
}
void SketchPlugin_ConstraintFillet::execute()
{
+ // the viewer update should be blocked in order to avoid the temporaty fillet sub-features visualization
+ // before they are processed by the solver
+ //std::shared_ptr<Events_Message> aMsg = std::shared_ptr<Events_Message>(
+ // new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)));
+ //Events_Loop::loop()->send(aMsg);
+
std::shared_ptr<ModelAPI_Data> aData = data();
+ ResultConstructionPtr aRC;
// Check the base objects are initialized
+ double aFilletRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ aData->attribute(SketchPlugin_Constraint::VALUE()))->value();
AttributeRefAttrPtr aBaseA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
AttributeRefAttrPtr aBaseB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
// Check the fillet shapes is not initialized yet
AttributeRefListPtr aRefListOfFillet = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
aData->attribute(SketchPlugin_Constraint::ENTITY_C()));
- if (aRefListOfFillet->size() > 0)
- return;
+ bool needNewObjects = aRefListOfFillet->size() == 0;
+
// Obtain features for the base objects
FeaturePtr aFeatureA, aFeatureB;
- ResultConstructionPtr aRC =
- std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aBaseA->object());
+ aRC = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aBaseA->object());
if (aRC) aFeatureA = aRC->document()->feature(aRC);
aRC = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aBaseB->object());
if (aRC) aFeatureB = aRC->document()->feature(aRC);
if (!aFeatureA || !aFeatureB)
return;
- // Create list of objects composing a fillet
- // copy aFeatureA
- FeaturePtr aNewFeature = sketch()->addFeature(aFeatureA->getKind());
- aFeatureA->data()->copyTo(aNewFeature->data());
- aRefListOfFillet->append(aNewFeature);
- // copy aFeatureB
- aNewFeature = sketch()->addFeature(aFeatureB->getKind());
- aFeatureB->data()->copyTo(aNewFeature->data());
- aRefListOfFillet->append(aNewFeature);
- // create filleting arc
- aNewFeature = sketch()->addFeature(SketchPlugin_Arc::ID());
- aNewFeature->attribute(SketchPlugin_Arc::CENTER_ID())->setInitialized();
- aNewFeature->attribute(SketchPlugin_Arc::START_ID())->setInitialized();
- aNewFeature->attribute(SketchPlugin_Arc::END_ID())->setInitialized();
- aRefListOfFillet->append(aNewFeature);
- aRefListOfFillet->setInitialized();
+ FeaturePtr aNewFeatureA, aNewFeatureB, aNewArc;
+ if (needNewObjects) {
+ // Create list of objects composing a fillet
+ // copy aFeatureA
+ aNewFeatureA = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aFeatureA, sketch());
+ // copy aFeatureB
+ aNewFeatureB = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aFeatureB, sketch());
+ // create filleting arc (it will be attached to the list later)
+ aNewArc = sketch()->addFeature(SketchPlugin_Arc::ID());
+ } else {
+ // Obtain features from the list
+ std::list<ObjectPtr> aNewFeatList = aRefListOfFillet->list();
+ std::list<ObjectPtr>::iterator aFeatIt = aNewFeatList.begin();
+ aNewFeatureA = ModelAPI_Feature::feature(*aFeatIt++);
+ aNewFeatureB = ModelAPI_Feature::feature(*aFeatIt++);
+ aNewArc = ModelAPI_Feature::feature(*aFeatIt);
+ }
+
+ // Calculate arc attributes
+ static const int aNbFeatures = 2;
+ FeaturePtr aFeature[aNbFeatures] = {aFeatureA, aFeatureB};
+ FeaturePtr aNewFeature[aNbFeatures] = {aNewFeatureA, aNewFeatureB};
+ std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures]; // tangent directions of the features in coincident point
+ bool isStart[aNbFeatures]; // indicates which point the features share
+ std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2]; // first pair of points relate to first feature, second pair - to second
+ std::string aFeatAttributes[aNbFeatures * 2]; // attributes of features
+ for (int i = 0; i < aNbFeatures; i++) {
+ std::string aStartAttr, aEndAttr;
+ if (aNewFeature[i]->getKind() == SketchPlugin_Line::ID()) {
+ aStartAttr = SketchPlugin_Line::START_ID();
+ aEndAttr = SketchPlugin_Line::END_ID();
+ } else if (aNewFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
+ aStartAttr = SketchPlugin_Arc::START_ID();
+ aEndAttr = SketchPlugin_Arc::END_ID();
+ } else { // wrong argument
+ aRefListOfFillet->remove(aNewFeatureA);
+ aRefListOfFillet->remove(aNewFeatureB);
+ aRefListOfFillet->remove(aNewArc);
+ return;
+ }
+ aFeatAttributes[2*i] = aStartAttr;
+ aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aFeature[i]->attribute(aStartAttr))->pnt();
+ aFeatAttributes[2*i+1] = aEndAttr;
+ aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aFeature[i]->attribute(aEndAttr))->pnt();
+ }
+ for (int i = 0; i < aNbFeatures; i++) {
+ int j = aNbFeatures;
+ for (; j < 2 * aNbFeatures; j++)
+ if (aStartEndPnt[i]->distance(aStartEndPnt[j]) < 1.e-10) {
+ isStart[0] = i==0;
+ isStart[1] = j==aNbFeatures;
+ break;
+ }
+ if (j < 2 * aNbFeatures)
+ break;
+ }
+ // tangent directions of the features
+ for (int i = 0; i < aNbFeatures; i++) {
+ std::shared_ptr<GeomAPI_XY> aDir;
+ if (aNewFeature[i]->getKind() == SketchPlugin_Line::ID()) {
+ aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
+ if (!isStart[i])
+ aDir = aDir->multiplied(-1.0);
+ } else if (aNewFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
+ std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aNewFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
+ aDir = isStart[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
+ aDir = aDir->decreased(aCenterPoint->xy());
+
+ double x = aDir->x();
+ double y = aDir->y();
+ aDir->setX(-y);
+ aDir->setY(x);
+ if (!isStart[i])
+ aDir = aDir->multiplied(-1.0);
+ }
+ aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
+ }
+
+ // Wait all constraints being created, then send update events
+ static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
+ bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
+ if (isUpdateFlushed)
+ Events_Loop::loop()->setFlushed(anUpdateEvent, false);
+
+ // By default, the start point of fillet arc is connected to FeatureA,
+ // and the end point - to FeatureB. But when the angle between TangentDirA and
+ // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
+ double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A), where A and B - angles between corresponding tanget direction and the X axis
+ bool isReversed = cosBA > 0.0;
+
+ // Calculate fillet arc parameters
+ std::shared_ptr<GeomAPI_XY> aCenter, aTangentPntA, aTangentPntB;
+ calculateFilletCenter(aFeatureA, aFeatureB, aFilletRadius, isStart, aCenter, aTangentPntA, aTangentPntB);
+ // update features
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aNewFeatureA->attribute(aFeatAttributes[isStart[0] ? 0 : 1]))->setValue(
+ aTangentPntA->x(), aTangentPntA->y());
+ aNewFeatureA->execute();
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aNewFeatureB->attribute(aFeatAttributes[2 + (isStart[1] ? 0 : 1)]))->setValue(
+ aTangentPntB->x(), aTangentPntB->y());
+ aNewFeatureB->execute();
+ // update fillet arc
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aNewArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(
+ aCenter->x(), aCenter->y());
+ if (isReversed) {
+ std::shared_ptr<GeomAPI_XY> aTmp = aTangentPntA;
+ aTangentPntA = aTangentPntB;
+ aTangentPntB = aTmp;
+ }
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aNewArc->attribute(SketchPlugin_Arc::START_ID()))->setValue(aTangentPntA->x(), aTangentPntA->y());
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aNewArc->attribute(SketchPlugin_Arc::END_ID()))->setValue(aTangentPntB->x(), aTangentPntB->y());
+ aNewArc->execute();
+
+ if (needNewObjects) {
+ // attach new arc to the list
+ aRefListOfFillet->append(aNewFeatureA->lastResult());
+ aRefListOfFillet->append(aNewFeatureB->lastResult());
+ aRefListOfFillet->append(aNewArc->lastResult());
+
+ myProducedFeatures.push_back(aNewFeatureA);
+ myProducedFeatures.push_back(aNewFeatureB);
+ myProducedFeatures.push_back(aNewArc);
+
+ // Create list of additional constraints:
+ // 1. Coincidence of boundary points of features (copied lines/arcs) and fillet arc
+ // 1.1. coincidence
+ FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
+ AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttr->setAttr(aNewArc->attribute(SketchPlugin_Arc::START_ID()));
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ int aFeatInd = isReversed ? 1 : 0;
+ int anAttrInd = (isReversed ? 2 : 0) + (isStart[isReversed ? 1 : 0] ? 0 : 1);
+ aRefAttr->setAttr(aNewFeature[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
+ recalculateAttributes(aNewArc, SketchPlugin_Arc::START_ID(), aNewFeature[aFeatInd], aFeatAttributes[anAttrInd]);
+ aConstraint->execute();
+ myProducedFeatures.push_back(aConstraint);
+ ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
+ // 1.2. coincidence
+ aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttr->setAttr(aNewArc->attribute(SketchPlugin_Arc::END_ID()));
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ aFeatInd = isReversed ? 0 : 1;
+ anAttrInd = (isReversed ? 0 : 2) + (isStart[isReversed ? 0 : 1] ? 0 : 1);
+ aRefAttr->setAttr(aNewFeature[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
+ recalculateAttributes(aNewArc, SketchPlugin_Arc::END_ID(), aNewFeature[aFeatInd], aFeatAttributes[anAttrInd]);
+ aConstraint->execute();
+ myProducedFeatures.push_back(aConstraint);
+ ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
+ // 2. Fillet arc radius
+ aConstraint = sketch()->addFeature(SketchPlugin_ConstraintRadius::ID());
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttr->setObject(aNewArc->lastResult());
+ std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aFilletRadius);
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->setValue(
+ isStart[0] ? aStartEndPnt[0] : aStartEndPnt[1]);
+ aConstraint->execute();
+ myProducedFeatures.push_back(aConstraint);
+ ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
+ // 3. Tangency of fillet arc and features
+ for (int i = 0; i < aNbFeatures; i++) {
+ aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttr->setObject(aNewArc->lastResult());
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ bool isArc = aNewFeature[i]->getKind() == SketchPlugin_Arc::ID();
+ aRefAttr->setObject(isArc ? aNewFeature[i]->lastResult() : aNewFeature[i]->firstResult());
+ aConstraint->execute();
+ myProducedFeatures.push_back(aConstraint);
+ ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
+ }
+ // 4. Coincidence of free boundaries of base and copied features
+ for (int i = 0; i < aNbFeatures; i++) {
+ anAttrInd = 2*i + (isStart[i] ? 1 : 0);
+ aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttr->setAttr(aFeature[i]->attribute(aFeatAttributes[anAttrInd]));
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ aRefAttr->setAttr(aNewFeature[i]->attribute(aFeatAttributes[anAttrInd]));
+ myProducedFeatures.push_back(aConstraint);
+ }
+ // 5. Tangent points should be placed on the base features
+ for (int i = 0; i < aNbFeatures; i++) {
+ anAttrInd = 2*i + (isStart[i] ? 0 : 1);
+ aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttr->setAttr(aNewFeature[i]->attribute(aFeatAttributes[anAttrInd]));
+ aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ aRefAttr->setObject(aFeature[i]->lastResult());
+ myProducedFeatures.push_back(aConstraint);
+ }
+ // make base features auxiliary
+ aFeatureA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
+ aFeatureB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
+ myBaseObjects.clear();
+ myBaseObjects.push_back(aFeatureA);
+ myBaseObjects.push_back(aFeatureB);
+ } else {
+ // Update radius value
+ int aNbSubs = sketch()->numberOfSubs();
+ FeaturePtr aSubFeature;
+ for (int aSub = 0; aSub < aNbSubs; aSub++) {
+ aSubFeature = sketch()->subFeature(aSub);
+ if (aSubFeature->getKind() != SketchPlugin_ConstraintRadius::ID())
+ continue;
+ AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aSubFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ if (!aRefAttr || !aRefAttr->isObject())
+ continue;
+ FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
+ if (aFeature == aNewArc) {
+ AttributeDoublePtr aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ aSubFeature->attribute(SketchPlugin_Constraint::VALUE()));
+ aRadius->setValue(aFilletRadius);
+ break;
+ }
+ }
+ }
+
+ // send events to update the sub-features by the solver
+ if (isUpdateFlushed)
+ Events_Loop::loop()->setFlushed(anUpdateEvent, true);
+
+ // the viewer update should be unblocked in order after the fillet features
+ // are processed by the solver
+ //aMsg = std::shared_ptr<Events_Message>(
+ // new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)));
+ //Events_Loop::loop()->send(aMsg);
+}
+
+void SketchPlugin_ConstraintFillet::attributeChanged(const std::string& theID)
+{
+ if (theID == SketchPlugin_Constraint::ENTITY_A() ||
+ theID == SketchPlugin_Constraint::ENTITY_B()) {
+ // clear the list of fillet entities
+ AttributeRefListPtr aRefListOfFillet = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
+ data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
+ aRefListOfFillet->clear();
+
+ // remove all produced objects and constraints
+ DocumentPtr aDoc = sketch()->document();
+ std::list<FeaturePtr>::iterator aCIt = myProducedFeatures.begin();
+ for (; aCIt != myProducedFeatures.end(); ++aCIt)
+ aDoc->removeFeature(*aCIt);
+ myProducedFeatures.clear();
+
+ // clear auxiliary flag on initial objects
+ for (aCIt = myBaseObjects.begin(); aCIt != myBaseObjects.end(); ++aCIt)
+ (*aCIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
+ myBaseObjects.clear();
+ }
}
AISObjectPtr SketchPlugin_ConstraintFillet::getAISObject(AISObjectPtr thePrevious)
return anAIS;
}
+bool SketchPlugin_ConstraintFillet::isMacro() const
+{
+ return true;
+}
+
+
+// ========= Auxiliary functions =================
+void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
+ FeaturePtr theFeature, const std::string& theFeatureAttribute)
+{
+ std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ theNewArc->attribute(theNewArcAttribute))->pnt();
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
+}
+
+/// \brief Find intersections of lines shifted along normal direction
+void possibleFilletCenterLineLine(
+ std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
+ std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
+ double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
+{
+ std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
+ std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
+ std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
+ double aDet = theDirA->cross(theDirB);
+ for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
+ aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
+ for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
+ aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
+ double aVX = aDirAT->xy()->dot(aPntA);
+ double aVY = aDirBT->xy()->dot(aPntB);
+ std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
+ (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
+ (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
+ theCenters.push_back(aPoint);
+ }
+ }
+}
+
+/// \brief Find intersections of line shifted along normal direction in both sides
+/// and a circle with extended radius
+void possibleFilletCenterLineArc(
+ std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
+ std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
+ double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
+{
+ std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
+ std::shared_ptr<GeomAPI_XY> aPnt;
+ double aDirNorm2 = theDirLine->dot(theDirLine);
+ double aRad = 0.0;
+ double aDirX = theDirLine->x();
+ double aDirX2 = theDirLine->x() * theDirLine->x();
+ double aDirY2 = theDirLine->y() * theDirLine->y();
+ double aDirXY = theDirLine->x() * theDirLine->y();
+ for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
+ aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
+ double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
+ double aCoeff2 = aCoeff * aCoeff;
+ for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
+ aRad = theRadiusArc + aStepB * theRadius;
+ double aD = aRad * aRad * aDirNorm2 - aCoeff2;
+ if (aD < 0.0)
+ continue;
+ double aDs = sqrt(aD);
+ double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
+ double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
+ double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
+ aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
+ double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
+ aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
+
+ std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
+ theCenters.push_back(aPoint1);
+ std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
+ theCenters.push_back(aPoint2);
+ }
+ }
+}
+
+/// \brief Find intersections of two circles with extended radii
+void possibleFilletCenterArcArc(
+ std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
+ std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
+ double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
+{
+ std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
+ double aCenterDist2 = aCenterDir->dot(aCenterDir);
+ double aCenterDist = sqrt(aCenterDist2);
+
+ double aRadA, aRadB;
+ for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
+ aRadA = theRadiusA + aStepA * theRadius;
+ for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
+ aRadB = theRadiusB + aStepB * theRadius;
+ if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
+ continue; // there is no intersections
+
+ double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
+ double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
+ double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
+ double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
+
+ double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
+ double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
+
+ std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
+ theCenters.push_back(aPoint1);
+ std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
+ theCenters.push_back(aPoint2);
+ }
+ }
+}
+
+void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
+ double theRadius, bool theNotInversed[2],
+ std::shared_ptr<GeomAPI_XY>& theCenter,
+ std::shared_ptr<GeomAPI_XY>& theTangentA,
+ std::shared_ptr<GeomAPI_XY>& theTangentB)
+{
+ static const int aNbFeatures = 2;
+ FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
+ std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
+ std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
+
+ for (int i = 0; i < aNbFeatures; i++) {
+ if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
+ aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
+ aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
+ } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
+ aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
+ aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
+ aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
+ } else
+ return;
+ aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
+ new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
+ new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
+ aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
+ new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
+ new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
+ }
+
+ if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
+ theFeatureB->getKind() == SketchPlugin_Line::ID()) {
+ std::shared_ptr<GeomAPI_Dir2d> aDir[2];
+ std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
+ for (int i = 0; i < aNbFeatures; i++) {
+ aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
+ aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
+ }
+
+ // get and filter possible centers
+ std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
+ possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
+ double aDot = 0.0;
+ std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
+ for (; anIt != aSuspectCenters.end(); anIt++) {
+ aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
+ theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
+ if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
+ continue; // incorrect position
+ aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
+ theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
+ if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
+ continue; // incorrect position
+ // the center is found, stop searching
+ theCenter = *anIt;
+ return;
+ }
+ } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
+ theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
+ (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
+ theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
+ int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
+ double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
+ std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
+ std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
+
+ std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
+ std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
+ double anArcAngle = aEndArcDir->angle(aStartArcDir);
+
+ // get and filter possible centers
+ std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
+ possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
+ double aDot = 0.0;
+ std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
+ std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
+ for (; anIt != aSuspectCenters.end(); anIt++) {
+ aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
+ aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
+ if (aLineTgPoint->decreased(aStart[aLineInd])->dot(aDirLine->xy()) < 0.0)
+ continue; // incorrect position
+ std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
+ double aCurAngle = aCurDir->angle(aStartArcDir);
+ if (anArcAngle < 0.0) aCurAngle *= -1.0;
+ if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
+ continue; // incorrect position
+ // the center is found, stop searching
+ theCenter = *anIt;
+ anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
+ if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
+ theTangentA = aLineTgPoint;
+ theTangentB = anArcTgPoint;
+ } else {
+ theTangentA = anArcTgPoint;
+ theTangentB = aLineTgPoint;
+ }
+ return;
+ }
+ } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
+ theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
+ double anArcRadius[aNbFeatures];
+ double anArcAngle[aNbFeatures];
+ std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
+ for (int i = 0; i < aNbFeatures; i++) {
+ anArcRadius[i] = aStart[i]->distance(aCenter[i]);
+ aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
+ std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
+ anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
+ }
+
+ // get and filter possible centers
+ std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
+ possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
+ double aDot = 0.0;
+ std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
+ std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
+ for (; anIt != aSuspectCenters.end(); anIt++) {
+ std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
+ double aCurAngle = aCurDir->angle(aStartArcDir[0]);
+ if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
+ if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
+ continue; // incorrect position
+ theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
+
+ aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
+ aCurAngle = aCurDir->angle(aStartArcDir[1]);
+ if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
+ if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
+ continue; // incorrect position
+ theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
+
+ // the center is found, stop searching
+ theCenter = *anIt;
+ return;
+ }
+ }
+}
