#include "SketchPlugin_Arc.h"
#include "SketchPlugin_Sketch.h"
+#include <SketchPlugin_ConstraintCoincidence.h>
+#include <SketchPlugin_ConstraintTangent.h>
+
+#include <Events_Loop.h>
#include <ModelAPI_Data.h>
#include <ModelAPI_ResultConstruction.h>
+#include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_AttributeRefAttr.h>
#include <ModelAPI_AttributeSelection.h>
+#include <ModelAPI_AttributeString.h>
+#include <ModelAPI_Events.h>
#include <ModelAPI_Validator.h>
#include <ModelAPI_Session.h>
+#include <ModelAPI_Tools.h>
+#include <GeomAPI_Ax2.h>
#include <GeomAPI_Circ2d.h>
+#include <GeomAPI_Circ.h>
+#include <GeomAPI_Dir2d.h>
+#include <GeomAPI_Dir.h>
+#include <GeomAPI_Lin2d.h>
+#include <GeomAPI_Lin.h>
#include <GeomAPI_Pnt2d.h>
+#include <GeomAPI_XY.h>
#include <GeomDataAPI_Point2D.h>
#include <GeomDataAPI_Dir.h>
#include <GeomAlgoAPI_PointBuilder.h>
#include <GeomAlgoAPI_EdgeBuilder.h>
#include <GeomAlgoAPI_CompoundBuilder.h>
+// for sqrt on Linux
+#include <math.h>
const double tolerance = 1e-7;
+const double paramTolerance = 1.e-4;
+const double PI =3.141592653589793238463;
+
+namespace {
+ static const std::string& ARC_TYPE_CENTER_START_END()
+ {
+ static const std::string TYPE("CenterStartEnd");
+ return TYPE;
+ }
+ static const std::string& ARC_TYPE_THREE_POINTS()
+ {
+ static const std::string TYPE("ThreePoints");
+ return TYPE;
+ }
+
+ static const std::string& PASSED_POINT_ID()
+ {
+ static const std::string PASSED_PNT("ArcPassedPoint");
+ return PASSED_PNT;
+ }
+ static const std::string& RADIUS_ID()
+ {
+ static const std::string RADIUS("ArcRadius");
+ return RADIUS;
+ }
+ static const std::string& ANGLE_ID()
+ {
+ static const std::string ANGLE("ArcAngle");
+ return ANGLE;
+ }
+
+ static const std::string& POINT_ID(int theIndex)
+ {
+ switch (theIndex) {
+ case 1: return SketchPlugin_Arc::START_ID();
+ case 2: return SketchPlugin_Arc::END_ID();
+ case 3: return PASSED_POINT_ID();
+ }
+
+ static const std::string DUMMY;
+ return DUMMY;
+ }
+}
+
+
SketchPlugin_Arc::SketchPlugin_Arc()
- : SketchPlugin_Feature()
+ : SketchPlugin_SketchEntity()
{
myStartUpdate = false;
myEndUpdate = false;
+ // default values
+ myXEndBefore = 0;
+ myYEndBefore = 0;
+
+ myParamBefore = 0;
}
-void SketchPlugin_Arc::initAttributes()
+void SketchPlugin_Arc::initDerivedClassAttributes()
{
- data()->addAttribute(CENTER_ID(), GeomDataAPI_Point2D::type());
- data()->addAttribute(START_ID(), GeomDataAPI_Point2D::type());
- data()->addAttribute(END_ID(), GeomDataAPI_Point2D::type());
- data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::type());
+ data()->addAttribute(CENTER_ID(), GeomDataAPI_Point2D::typeId());
+ data()->addAttribute(START_ID(), GeomDataAPI_Point2D::typeId());
+ std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->addAttribute(END_ID(), GeomDataAPI_Point2D::typeId()));
+ data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
+
+ AttributeBooleanPtr isInversed = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
+ data()->addAttribute(INVERSED_ID(), ModelAPI_AttributeBoolean::typeId()));
+
+ // get the initial values
+ if (anEndAttr->isInitialized()) {
+ myXEndBefore = anEndAttr->x();
+ myYEndBefore = anEndAttr->y();
+ }
+
+ AttributeStringPtr anArcType = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
+ data()->addAttribute(ARC_TYPE(), ModelAPI_AttributeString::typeId()));
+
+ data()->addAttribute(PASSED_POINT_ID(), GeomDataAPI_Point2D::typeId());
+ data()->addAttribute(TANGENT_POINT_ID(), ModelAPI_AttributeRefAttr::typeId());
+ data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
+ data()->addAttribute(ANGLE_ID(), ModelAPI_AttributeDouble::typeId());
+
+ // set after all to avoid in attributeChanged reference to not existing attributes
+ if (!isInversed->isInitialized())
+ isInversed->setValue(false);
+ anArcType->setValue(ARC_TYPE_CENTER_START_END());
}
void SketchPlugin_Arc::execute()
// result for the arc is set only when all obligatory attributes are initialized,
// otherwise AIS object is used to visualize the arc's preview
if (aSketch && isFeatureValid()) {
+ bool hasResult = lastResult().get() != NULL;
+
// compute a circle point in 3D view
std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
// compute and change the arc end point
std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(END_ID()));
- /* must be automatically done in attributeChanged
std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance)
anEndAttr->setValue(aProjection);
- */
std::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
+ AttributeBooleanPtr isInversed =
+ std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()));
+
+ std::shared_ptr<GeomAPI_Dir> anXDir(new GeomAPI_Dir(aStartPoint->xyz()->decreased(aCenter->xyz())));
+ std::shared_ptr<GeomAPI_Ax2> anAx2(new GeomAPI_Ax2(aCenter, aNormal, anXDir));
+ std::shared_ptr<GeomAPI_Circ> aCirc(new GeomAPI_Circ(anAx2, aCenter->distance(aStartPoint)));
+ double aParameterNew = 0.0;
+ if(aCirc->parameter(aEndPoint, paramTolerance, aParameterNew)) {
+ if(0 <= myParamBefore && myParamBefore <= PI / 2.0
+ && PI * 1.5 <= aParameterNew && aParameterNew <= PI * 2.0) {
+ isInversed->setValue(true);
+ } else if(PI * 1.5 <= myParamBefore && myParamBefore <= PI * 2.0
+ && 0 <= aParameterNew && aParameterNew <= PI / 2.0) {
+ isInversed->setValue(false);
+ }
+ }
+ myParamBefore = aParameterNew;
+
+ std::shared_ptr<GeomAPI_Shape> aCircleShape;
+ if(!isInversed->value()) {
+ aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStartPoint, aEndPoint, aNormal);
+ } else {
+ aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aEndPoint, aStartPoint, aNormal);
+ }
- std::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(
- aCenter, aStartPoint, aEndPoint, aNormal);
if (aCircleShape) {
std::shared_ptr<ModelAPI_ResultConstruction> aConstr2 = document()->createConstruction(
data(), 1);
// compute a circle point in 3D view
std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
+
+ std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
if (aCenterAttr->isInitialized()) {
std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::START_ID()));
+ std::shared_ptr<GeomDataAPI_Point2D> aEndAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::END_ID()));
+ AttributeStringPtr aTypeAttr = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
+ data()->attribute(ARC_TYPE()));
+
if (aStartAttr->isInitialized()) {
// make a visible circle
std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
if (aHasPlane) {
std::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
std::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
- std::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(
- aCenter, aStartPoint, aStartPoint, aNormal);
- if (aCircleShape) {
- std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
- // make a visible point
- std::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
- aShapes.push_back(aCenterPointShape);
-
- aShapes.push_back(aCircleShape);
- if (!aShapes.empty())
- {
- std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
- AISObjectPtr anAIS = thePrevious;
- if (!anAIS)
- anAIS = AISObjectPtr(new GeomAPI_AISObject);
- anAIS->createShape(aCompound);
- anAIS->setWidth(3);
- return anAIS;
+ std::shared_ptr<GeomAPI_Pnt> aEndPoint = aStartPoint;
+ if (aTypeAttr && aTypeAttr->isInitialized() &&
+ aTypeAttr->value() == ARC_TYPE_THREE_POINTS() && aEndAttr->isInitialized() &&
+ aEndAttr->pnt()->distance(aStartAttr->pnt()) > tolerance) {
+ aEndPoint = aSketch->to3D(aEndAttr->x(), aEndAttr->y());
+ std::shared_ptr<GeomDataAPI_Point2D> aPassedAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()));
+ if (!aPassedAttr->isInitialized()) { // calculate the appropriate center for the presentation
+ std::shared_ptr<GeomAPI_XY> aDir =
+ aEndAttr->pnt()->xy()->decreased(aStartAttr->pnt()->xy())->multiplied(0.5);
+ double x = aDir->x();
+ double y = aDir->y();
+ aDir->setX(x - y);
+ aDir->setY(y + x);
+ std::shared_ptr<GeomAPI_XY> aCenterXY = aStartAttr->pnt()->xy()->added(aDir);
+ aCenter = aSketch->to3D(aCenterXY->x(), aCenterXY->y());
}
}
+
+ std::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(
+ aCenter, aStartPoint, aEndPoint, aNormal);
+ if (aCircleShape)
+ aShapes.push_back(aCircleShape);
}
}
+ // make a visible point
+ std::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
+ aShapes.push_back(aCenterPointShape);
+ }
+ if (!aShapes.empty()) {
+ std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
+ AISObjectPtr anAIS = thePrevious;
+ if (!anAIS)
+ anAIS = AISObjectPtr(new GeomAPI_AISObject);
+ anAIS->createShape(aCompound);
+ anAIS->setWidth(3);
+ return anAIS;
}
}
}
if (!aData->isValid())
return;
- std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Arc::CENTER_ID()));
- aPoint1->move(theDeltaX, theDeltaY);
+ aData->blockSendAttributeUpdated(true);
myStartUpdate = true;
myEndUpdate = true;
aPoint3->move(theDeltaX, theDeltaY);
myStartUpdate = false;
myEndUpdate = false;
-}
-
-double SketchPlugin_Arc::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
-{
- double aDelta = 0;
- std::shared_ptr<ModelAPI_Data> aData = data();
std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
aData->attribute(SketchPlugin_Arc::CENTER_ID()));
- aDelta = aPoint1->pnt()->distance(thePoint);
-
- std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Arc::START_ID()));
- double aDistance = aPoint2->pnt()->distance(thePoint);
- if (aDelta < aDistance)
- aDelta = aDistance;
-
- std::shared_ptr<GeomDataAPI_Point2D> aPoint3 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Arc::END_ID()));
- aDistance = aPoint3->pnt()->distance(thePoint);
- if (aDelta < aDistance)
- aDelta = aDistance;
+ aPoint1->move(theDeltaX, theDeltaY);
- return aDelta;
+ std::shared_ptr<GeomDataAPI_Point2D> aPassedPoint =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(PASSED_POINT_ID()));
+ aPassedPoint->move(theDeltaX, theDeltaY);
+ aData->blockSendAttributeUpdated(false);
}
bool SketchPlugin_Arc::isFixed() {
- return data()->selection(EXTERNAL_ID())->context().get();
+ return data()->selection(EXTERNAL_ID())->context().get() != NULL;
}
bool SketchPlugin_Arc::isFeatureValid()
{
+ AttributeStringPtr anArcTypeAttr =
+ std::dynamic_pointer_cast<ModelAPI_AttributeString>(data()->attribute(ARC_TYPE()));
+ if (!anArcTypeAttr)
+ return false;
+ std::string anArcType = anArcTypeAttr->value();
+
std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::CENTER_ID()));
std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::START_ID()));
std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::END_ID()));
+ std::shared_ptr<GeomDataAPI_Point2D> aPassedAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()));
- return aCenterAttr->isInitialized() && aStartAttr->isInitialized() && anEndAttr->isInitialized();
+ bool isValid = false;
+ if (anArcType == ARC_TYPE_THREE_POINTS())
+ isValid = aStartAttr->isInitialized() && anEndAttr->isInitialized() && aPassedAttr->isInitialized();
+ else
+ isValid = aCenterAttr->isInitialized() && aStartAttr->isInitialized() && anEndAttr->isInitialized();
+
+ return isValid;
+}
+
+static inline void adjustPeriod(double& theParam)
+{
+ static const double PERIOD = 2.0 * PI;
+ while (theParam < 0.0) theParam += PERIOD;
+ while (theParam >= PERIOD) theParam -= PERIOD;
}
void SketchPlugin_Arc::attributeChanged(const std::string& theID)
{
std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
- if (!aCenterAttr->isInitialized())
- return;
std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(START_ID()));
- if (!aStartAttr->isInitialized())
- return;
std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(END_ID()));
- if (!anEndAttr->isInitialized())
+ // the second condition for unability to move external segments anywhere
+ if (theID == EXTERNAL_ID() || isFixed()) {
+ std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
+ // update arguments due to the selection value
+ if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
+ std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
+ std::shared_ptr<GeomAPI_Circ> aCirc = anEdge->circle();
+ if (aCirc.get()) {
+ aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
+ anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
+ aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
+ }
+ }
return;
+ }
+ AttributeStringPtr aTypeAttr =
+ std::dynamic_pointer_cast<ModelAPI_AttributeString>(attribute(ARC_TYPE()));
- // update the points in accordance to the changed point changes
- if (theID == END_ID() && !myEndUpdate) {
- myEndUpdate = true;
- // compute and change the arc end point
- std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
- new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
- std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
- if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance)
- anEndAttr->setValue(aProjection);
- myEndUpdate = false;
- } else if (theID == START_ID() && !myStartUpdate) {
- myStartUpdate = true;
- // compute and change the arc end point
- std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
- new GeomAPI_Circ2d(aCenterAttr->pnt(), anEndAttr->pnt()));
- std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(aStartAttr->pnt());
- if (aProjection && aStartAttr->pnt()->distance(aProjection) > tolerance)
- aStartAttr->setValue(aProjection);
- myStartUpdate = false;
- } else if (theID == CENTER_ID() && !myEndUpdate) {
- myEndUpdate = true;
- // compute and change the arc end point
- std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
- new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
- std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
- if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance)
- anEndAttr->setValue(aProjection);
- myEndUpdate = false;
+ // this is before others since here end attribute may be changed, but with the special behavior
+ if (aTypeAttr->value() == ARC_TYPE_TANGENT() && (theID == TANGENT_POINT_ID() || theID == END_ID())) {
+ SketchPlugin_Sketch* aSketch = sketch();
+ AttributeRefAttrPtr aTangPtAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ data()->attribute(TANGENT_POINT_ID()));
+
+ if (aTangPtAttr->isInitialized() && anEndAttr->isInitialized()) {
+ // compute orthogonal direction
+ std::shared_ptr<GeomAPI_Dir2d> anOrthoDir;
+ std::shared_ptr<GeomDataAPI_Point2D> aTangentPoint =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aTangPtAttr->attr());
+ std::shared_ptr<GeomAPI_Pnt2d> aTangPnt2d = aTangentPoint->pnt();
+ FeaturePtr aTangFeature = ModelAPI_Feature::feature(aTangentPoint->owner());
+ std::shared_ptr<GeomAPI_Edge> aTangEdge = std::dynamic_pointer_cast<GeomAPI_Edge>(
+ aTangFeature->lastResult()->shape());
+ if (aTangEdge->isLine()) {
+ std::shared_ptr<GeomAPI_Dir> aDir = aTangEdge->line()->direction();
+ std::shared_ptr<GeomAPI_Pnt> aPnt(new GeomAPI_Pnt(aDir->x(), aDir->y(), aDir->z()));
+ std::shared_ptr<GeomAPI_Pnt2d> aPnt2d = aSketch->to2D(aPnt);
+ anOrthoDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aPnt2d->y(), aPnt2d->x()));
+ }
+ else if (aTangEdge->isArc()) {
+ std::shared_ptr<GeomAPI_Pnt> aCenter = aTangEdge->circle()->center();
+ std::shared_ptr<GeomAPI_Pnt2d> aCenter2d = aSketch->to2D(aCenter);
+ anOrthoDir = std::shared_ptr<GeomAPI_Dir2d>(
+ new GeomAPI_Dir2d(aTangPnt2d->xy()->decreased(aCenter2d->xy())));
+ }
+
+ // compute parameters of the middle perpendicular
+ std::shared_ptr<GeomAPI_XY> aEndPntCoord = anEndAttr->pnt()->xy();
+ std::shared_ptr<GeomAPI_XY> aTempDir = aEndPntCoord->decreased(aTangPnt2d->xy());
+ std::shared_ptr<GeomAPI_Dir2d> aMidDir(new GeomAPI_Dir2d(-aTempDir->y(), aTempDir->x()));
+ std::shared_ptr<GeomAPI_Pnt2d> aMidPnt(
+ new GeomAPI_Pnt2d(aEndPntCoord->added(aTangPnt2d->xy())->multiplied(0.5)));
+
+ // compute center of arc by calculating intersection of orthogonal line and middle perpendicular
+ std::shared_ptr<GeomAPI_Lin2d> anOrthoLine(new GeomAPI_Lin2d(aTangPnt2d, anOrthoDir));
+ std::shared_ptr<GeomAPI_Lin2d> aMiddleLine(new GeomAPI_Lin2d(aMidPnt, aMidDir));
+ std::shared_ptr<GeomAPI_Pnt2d> aCenter = anOrthoLine->intersect(aMiddleLine);
+ if (aCenter) {
+ data()->blockSendAttributeUpdated(true);
+ aCenterAttr->setValue(aCenter);
+ aStartAttr->setValue(aTangPnt2d);
+ data()->blockSendAttributeUpdated(false);
+ }
+
+ tangencyArcConstraints();
+ }
+ return;
+ }
+
+ // if changed the base attributes, update all other (is necessary) without recursion
+ if (theID == CENTER_ID() || theID == START_ID() || theID == END_ID() || theID == ARC_TYPE()) {
+ if (!isFeatureValid())
+ return;
+ std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCenterAttr->pnt();
+ std::shared_ptr<GeomAPI_Pnt2d> aStart = aStartAttr->pnt();
+ std::shared_ptr<GeomAPI_Pnt2d> anEnd = anEndAttr->pnt();
+ double aRadius = aCenter->distance(aStart);
+ if (aRadius < tolerance)
+ return;
+ std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(new GeomAPI_Circ2d(aCenter, aStart));
+
+ data()->blockSendAttributeUpdated(true);
+ if (theID == END_ID() && isStable()) {
+ // The arc is under construction, so its end point projected
+ // on the circle formed by center and start points
+ std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEnd);
+ if (aProjection && anEnd->distance(aProjection) > tolerance) {
+ anEndAttr->setValue(aProjection);
+ anEnd = aProjection;
+ }
+ }
+ // update all other attributes due to the base attributes values
+ if (aTypeAttr->value() == ARC_TYPE_THREE_POINTS()) { // update passed point due to start, end and center
+ if (aCenter->distance(aStart) > tolerance && aCenter->distance(anEnd) > tolerance) {
+ // project passed point t othe circle
+ std::shared_ptr<GeomDataAPI_Point2D> aPassedAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()));
+ if (aPassedAttr->isInitialized()) {
+ std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(aPassedAttr->pnt());
+ if (aProjection && aPassedAttr->pnt()->distance(aProjection) > tolerance) {
+ aPassedAttr->setValue(aProjection);
+ }
+ } else { // initialize it by some middle - value
+ std::shared_ptr<GeomAPI_Dir2d> aStartDir(new GeomAPI_Dir2d(
+ aStart->xy()->decreased(aCenter->xy())));
+ std::shared_ptr<GeomAPI_Dir2d> aEndDir(new GeomAPI_Dir2d(
+ anEnd->xy()->decreased(aCenter->xy())));
+ std::shared_ptr<GeomAPI_XY> aMidDirXY = aStartDir->xy()->added(aEndDir->xy());
+ if (aMidDirXY->dot(aMidDirXY) < tolerance * tolerance) {
+ // start and end directions are opposite, so middle direction will be orthogonal
+ aMidDirXY->setX(-aStartDir->y());
+ aMidDirXY->setY(aStartDir->x());
+ }
+ std::shared_ptr<GeomAPI_Dir2d> aMidDir(new GeomAPI_Dir2d(aMidDirXY));
+ if ((aStartDir->cross(aMidDir) > 0) ^ !isReversed())
+ aMidDir->reverse();
+ std::shared_ptr<GeomAPI_XY> aPassedPnt =
+ aCenter->xy()->added(aMidDir->xy()->multiplied(aCenter->distance(aStart)));
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()))->
+ setValue(aPassedPnt->x(), aPassedPnt->y());
+ }
+ }
+ }
+ // update radius and angle
+ AttributeDoublePtr aRadiusAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ data()->attribute(RADIUS_ID()));
+ aRadiusAttr->setValue(aRadius);
+ AttributeDoublePtr anAngleAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ data()->attribute(ANGLE_ID()));
+ std::shared_ptr<GeomAPI_Circ2d> aCircle(new GeomAPI_Circ2d(aCenter, aStart));
+ double aStartParam, aEndParam;
+ aCircle->parameter(aStart, paramTolerance, aStartParam);
+ aCircle->parameter(anEnd, paramTolerance, aEndParam);
+ adjustPeriod(aStartParam);
+ adjustPeriod(aEndParam);
+ if (aTypeAttr->value() == ARC_TYPE_THREE_POINTS()) { // use the passed point for the angle calculation
+ std::shared_ptr<GeomDataAPI_Point2D> aPassedAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(PASSED_POINT_ID()));
+ double aPassedParam;
+ aCircle->parameter(aPassedAttr->pnt(), paramTolerance, aPassedParam);
+ adjustPeriod(aPassedParam);
+ double aNewAngle = aPassedParam >= aStartParam && aPassedParam <= aEndParam ?
+ ((aEndParam - aStartParam) * 180.0 / PI) :
+ ((aEndParam - aStartParam - 2.0 * PI) * 180.0 / PI);
+ if (fabs(aNewAngle - anAngleAttr->value()) > tolerance)
+ anAngleAttr->setValue(aNewAngle);
+ } else {
+ double aNewAngle = (aEndParam - aStartParam) * 180.0 / PI;
+ if (fabs(aNewAngle - anAngleAttr->value()) > tolerance)
+ anAngleAttr->setValue(aNewAngle);
+ }
+ // do not need to inform that other parameters were changed in this basis mode: these arguments
+ // change is enough
+ data()->blockSendAttributeUpdated(false, false);
+ return;
+ }
+
+ if (theID == PASSED_POINT_ID()) {
+ data()->blockSendAttributeUpdated(true);
+
+ std::shared_ptr<GeomAPI_Pnt2d> aPoints[3];
+ int aNbInitialized = 0;
+ for (int i = 1; i <= 3; ++i) {
+ std::shared_ptr<GeomDataAPI_Point2D> aCurPnt =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(POINT_ID(i)));
+ if (aCurPnt->isInitialized())
+ aPoints[aNbInitialized++] = aCurPnt->pnt();
+ }
+
+ if (aNbInitialized == 3) {
+ std::shared_ptr<GeomAPI_Circ2d> aCircle(
+ new GeomAPI_Circ2d(aPoints[0], aPoints[1], aPoints[2]));
+
+ std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCircle->center();
+ if (aCenter) {
+ aCenterAttr->setValue(aCenter);
+ }
+ }
+ data()->blockSendAttributeUpdated(false);
+ return;
+ }
+
+ if (theID == RADIUS_ID()) {
+ if (!aStartAttr->isInitialized() || !anEndAttr->isInitialized() || !aCenterAttr->isInitialized())
+ return;
+ // move center and passed point
+ std::shared_ptr<GeomAPI_Pnt2d> aStart = aStartAttr->pnt();
+ std::shared_ptr<GeomAPI_Pnt2d> anEnd = anEndAttr->pnt();
+ std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCenterAttr->pnt();
+ if (aStart->distance(aCenter) < tolerance || anEnd->distance(aCenter) < tolerance)
+ return;
+ AttributeDoublePtr aRadiusAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ data()->attribute(RADIUS_ID()));
+ double aRadius = aRadiusAttr->value();
+
+ data()->blockSendAttributeUpdated(true);
+ std::shared_ptr<GeomAPI_Dir2d> aStartDir(new GeomAPI_Dir2d(aStart->xy()->decreased(aCenter->xy())));
+ std::shared_ptr<GeomAPI_XY> aNewStart = aStartDir->xy()->multiplied(aRadius)->added(aCenter->xy());
+ aStartAttr->setValue(aNewStart->x(), aNewStart->y());
+ std::shared_ptr<GeomAPI_Dir2d> anEndDir(new GeomAPI_Dir2d(anEnd->xy()->decreased(aCenter->xy())));
+ std::shared_ptr<GeomAPI_XY> aNewEnd = anEndDir->xy()->multiplied(aRadius)->added(aCenter->xy());
+ anEndAttr->setValue(aNewEnd->x(), aNewEnd->y());
+ data()->blockSendAttributeUpdated(false);
+ return;
+ }
+ if (theID == ANGLE_ID()) {
+ if (!aStartAttr->isInitialized() || !aCenterAttr->isInitialized())
+ return;
+ AttributeDoublePtr anAngleAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ data()->attribute(ANGLE_ID()));
+ data()->blockSendAttributeUpdated(true);
+ // move end point and passed point
+ std::shared_ptr<GeomAPI_XY> aCenter = aCenterAttr->pnt()->xy();
+ double anAngle = anAngleAttr->value() * PI / 180.0;
+ double sinA = sin(anAngle);
+ double cosA = cos(anAngle);
+ std::shared_ptr<GeomAPI_XY> aStartDir = aStartAttr->pnt()->xy()->decreased(aCenter);
+ std::shared_ptr<GeomAPI_XY> aDir(new GeomAPI_XY(
+ aStartDir->x() * cosA - aStartDir->y() * sinA,
+ aStartDir->x() * sinA + aStartDir->y() * cosA));
+ anEndAttr->setValue(aCenter->x() + aDir->x(), aCenter->y() + aDir->y());
+ data()->blockSendAttributeUpdated(false);
+ return;
+ }
+}
+
+void SketchPlugin_Arc::setReversed(bool isReversed)
+{
+ std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()))->setValue(isReversed);
+ myParamBefore = 0.0;
+}
+
+bool SketchPlugin_Arc::isReversed()
+{
+ return std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()))->value();
+}
+
+void SketchPlugin_Arc::tangencyArcConstraints()
+{
+ if (!lastResult())
+ return;
+
+ std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_ID()));
+ AttributeRefAttrPtr aTangPtAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ attribute(TANGENT_POINT_ID()));
+ if (!aTangPtAttr->attr())
+ return;
+
+ FeaturePtr aFeature = ModelAPI_Feature::feature(aStartAttr->owner());
+ ObjectPtr aThisArc = aFeature->lastResult();
+ aFeature = ModelAPI_Feature::feature(aTangPtAttr->attr()->owner());
+ ObjectPtr aTangFeature = aFeature->lastResult();
+
+ // trying to find constraints to fix the tangency of the arc
+ std::set<FeaturePtr> aCoincidence;
+ std::set<FeaturePtr> aTangency;
+
+ AttributeRefAttrPtr aRefAttrA, aRefAttrB;
+ std::set<AttributePtr> aRefs = data()->refsToMe();
+ const std::set<AttributePtr>& aRefsToResult = lastResult()->data()->refsToMe();
+ aRefs.insert(aRefsToResult.begin(), aRefsToResult.end());
+ std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
+ for (; aRefIt != aRefs.end(); ++aRefIt) {
+ FeaturePtr aConstrFeature = ModelAPI_Feature::feature((*aRefIt)->owner());
+ if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
+ aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstrFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstrFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ if ((aRefAttrA && aRefAttrA->attr() == aStartAttr) ||
+ (aRefAttrB && aRefAttrB->attr() == aStartAttr))
+ aCoincidence.insert(aConstrFeature);
+ }
+ else if (aConstrFeature->getKind() == SketchPlugin_ConstraintTangent::ID()) {
+ aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstrFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstrFeature->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ if ((aRefAttrA && aRefAttrA->object() == aThisArc) ||
+ (aRefAttrB && aRefAttrB->object() == aThisArc))
+ aTangency.insert(aConstrFeature);
+ }
+ }
+ // search applicable pair of constraints
+ bool isFound = false;
+ FeaturePtr aPrevCoincidence, aPrevTangency;
+ std::set<FeaturePtr>::const_iterator aCIt, aTIt;
+ for (aCIt = aCoincidence.begin(); aCIt != aCoincidence.end() && !isFound; ++aCIt) {
+ aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ (*aCIt)->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ (*aCIt)->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ AttributePtr anOtherPoint =
+ aRefAttrA->attr() == aStartAttr ? aRefAttrB->attr() : aRefAttrA->attr();
+ for (aTIt = aTangency.begin(); aTIt != aTangency.end() && !isFound; ++aTIt) {
+ aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ (*aTIt)->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ (*aTIt)->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ ObjectPtr anOtherObject = aRefAttrA->object() == aThisArc ?
+ aRefAttrB->object() : aRefAttrA->object();
+ FeaturePtr anOtherFeature = ModelAPI_Feature::feature(anOtherObject);
+ if (anOtherPoint->owner() == anOtherFeature) {
+ isFound = true;
+ aPrevCoincidence = *aCIt;
+ aPrevTangency = *aTIt;
+ }
+ }
+ }
+
+ if (isFound) {
+ // update previous constraints
+ aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aPrevCoincidence->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aPrevCoincidence->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ if (aRefAttrA->attr() == aStartAttr)
+ aRefAttrB->setAttr(aTangPtAttr->attr());
+ else
+ aRefAttrA->setAttr(aTangPtAttr->attr());
+
+ aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aPrevTangency->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aPrevTangency->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ if (aRefAttrA->object() == aThisArc)
+ aRefAttrB->setObject(aTangFeature);
+ else
+ aRefAttrA->setObject(aTangFeature);
+ } else {
+ // Wait all constraints being removed, then send update events
+ static Events_ID aDeleteEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
+ bool isDeleteFlushed = Events_Loop::loop()->isFlushed(aDeleteEvent);
+ if (isDeleteFlushed)
+ Events_Loop::loop()->setFlushed(aDeleteEvent, false);
+ // Remove all obtained constraints which use current arc, because
+ // there is no information which of them were used to build tangency arc.
+ DocumentPtr aDoc = sketch()->document();
+ std::set<FeaturePtr> aFeaturesToBeRemoved;
+ for (aCIt = aCoincidence.begin(); aCIt != aCoincidence.end(); ++aCIt)
+ aFeaturesToBeRemoved.insert(*aCIt);
+ for (aTIt = aTangency.begin(); aTIt != aTangency.end(); ++aTIt)
+ aFeaturesToBeRemoved.insert(*aTIt);
+ ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToBeRemoved);
+ // Send events to update the sub-features by the solver.
+ if (isDeleteFlushed)
+ Events_Loop::loop()->setFlushed(aDeleteEvent, true);
+ else
+ Events_Loop::loop()->flush(aDeleteEvent);
+
+ // Wait all constraints being created, then send update events
+ static Events_ID aCreateEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
+ bool isCreateFlushed = Events_Loop::loop()->isFlushed(aCreateEvent);
+ if (isCreateFlushed)
+ Events_Loop::loop()->setFlushed(aCreateEvent, false);
+
+ // Create new constraints
+ FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
+ aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ aRefAttrA->setAttr(aStartAttr);
+ aRefAttrB->setAttr(aTangPtAttr->attr());
+ aConstraint->execute();
+ ModelAPI_EventCreator::get()->sendUpdated(aConstraint, aCreateEvent);
+
+ aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
+ aRefAttrA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ aRefAttrB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
+ aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
+ aRefAttrA->setObject(aThisArc);
+ aRefAttrB->setObject(aTangFeature);
+ aConstraint->execute();
+ ModelAPI_EventCreator::get()->sendUpdated(aConstraint, aCreateEvent);
+
+ // Send events to update the sub-features by the solver.
+ if(isCreateFlushed)
+ Events_Loop::loop()->setFlushed(aCreateEvent, true);
+ else
+ Events_Loop::loop()->flush(aCreateEvent);
}
}
