-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
-
-// File: SketchPlugin_Arc.cpp
-// Created: 26 Apr 2014
-// Author: Artem ZHIDKOV
+// Copyright (C) 2014-2023 CEA, EDF
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
#include "SketchPlugin_Arc.h"
#include "SketchPlugin_Sketch.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_Lin2d.h>
#include <GeomAPI_Lin.h>
#include <GeomAPI_Pnt2d.h>
+#include <GeomAPI_Vertex.h>
#include <GeomAPI_XY.h>
#include <GeomDataAPI_Point2D.h>
#include <GeomDataAPI_Dir.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;
- }
-}
+#include <cmath>
+static const double tolerance = 1e-7;
+static const double paramTolerance = 1.e-4;
+static const double PI = 3.141592653589793238463;
SketchPlugin_Arc::SketchPlugin_Arc()
- : SketchPlugin_SketchEntity()
+: SketchPlugin_SketchEntity()
{
- myStartUpdate = false;
- myEndUpdate = false;
- // default values
- myXEndBefore = 0;
- myYEndBefore = 0;
-
- myParamBefore = 0;
+ myParamBefore = 0.0;
}
void SketchPlugin_Arc::initDerivedClassAttributes()
{
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(END_ID(), GeomDataAPI_Point2D::typeId());
+
data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
- data()->addAttribute(INVERSED_ID(), ModelAPI_AttributeBoolean::typeId());
- AttributeBooleanPtr isInversed =
- std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()));
- if (!isInversed->isInitialized())
- isInversed->setValue(false);
-
- // get the initial values
- if (anEndAttr->isInitialized()) {
- myXEndBefore = anEndAttr->x();
- myYEndBefore = anEndAttr->y();
- }
+ AttributeBooleanPtr isReversed = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
+ data()->addAttribute(REVERSED_ID(), ModelAPI_AttributeBoolean::typeId()));
- data()->addAttribute(ARC_TYPE(), ModelAPI_AttributeString::typeId());
- std::dynamic_pointer_cast<ModelAPI_AttributeString>(
- data()->attribute(ARC_TYPE()))->setValue(ARC_TYPE_CENTER_START_END());
-
- 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());
-}
-
-void SketchPlugin_Arc::execute()
-{
- SketchPlugin_Sketch* aSketch = sketch();
- // 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()) {
- ResultPtr aLastResult = lastResult();
- bool hasResult = aLastResult && aLastResult.get();
-
- // compute a circle point in 3D view
- std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
- // compute the arc start point
- std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(START_ID()));
-
- std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
- // make a visible point
- std::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
- std::shared_ptr<ModelAPI_ResultConstruction> aConstr1 = document()->createConstruction(
- data(), 0);
- aConstr1->setShape(aCenterPointShape);
- aConstr1->setIsInHistory(false);
- setResult(aConstr1, 0);
-
- // make a visible circle
- std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
- aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
- std::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
- std::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
-
- // compute and change the arc end point
- std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(END_ID()));
- 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);
- }
-
- if (aCircleShape) {
- std::shared_ptr<ModelAPI_ResultConstruction> aConstr2 = document()->createConstruction(
- data(), 1);
- aConstr2->setShape(aCircleShape);
- aConstr2->setIsInHistory(false);
- setResult(aConstr2, 1);
- }
-
- // update radius and angle
- updateDependentAttributes();
+ // set after all to avoid in attributeChanged reference to not existing attributes
+ if (!isReversed->isInitialized()) {
+ isReversed->setValue(false);
}
}
-AISObjectPtr SketchPlugin_Arc::getAISObject(AISObjectPtr thePrevious)
+void SketchPlugin_Arc::execute()
{
SketchPlugin_Sketch* aSketch = sketch();
- if (aSketch) {
- // if the feature is valid, the execute() method should be performed, AIS object is empty
- if (!isFeatureValid()) {
- // 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()));
- // make a visible point
- std::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
- aShapes.push_back(aCenterPointShape);
-
- 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>(
- aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
- bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
- 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_Pnt> aEndPoint = aStartPoint;
- if (aTypeAttr && aTypeAttr->isInitialized() &&
- aTypeAttr->value() == ARC_TYPE_THREE_POINTS() && aEndAttr->isInitialized())
- aEndPoint = aSketch->to3D(aEndAttr->x(), aEndAttr->y());
-
- std::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(
- aCenter, aStartPoint, aEndPoint, aNormal);
- if (aCircleShape)
- 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;
- }
- }
+ if(!aSketch) {
+ return;
}
- return AISObjectPtr();
-}
-void SketchPlugin_Arc::move(double theDeltaX, double theDeltaY)
-{
- std::shared_ptr<ModelAPI_Data> aData = data();
- if (!aData->isValid())
+ std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
+ std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(START_ID()));
+ std::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(END_ID()));
+ if(!aCenterAttr->isInitialized() || !aStartAttr->isInitialized() || !anEndAttr->isInitialized()) {
return;
+ }
- aData->blockSendAttributeUpdated(true);
-
- myStartUpdate = true;
- myEndUpdate = true;
- std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Arc::START_ID()));
- aPoint2->move(theDeltaX, theDeltaY);
-
- std::shared_ptr<GeomDataAPI_Point2D> aPoint3 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Arc::END_ID()));
- aPoint3->move(theDeltaX, theDeltaY);
- myStartUpdate = false;
- myEndUpdate = false;
-
- std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Arc::CENTER_ID()));
- aPoint1->move(theDeltaX, theDeltaY);
-
- 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() != 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()));
-
- bool isValid = false;
- if (anArcType == ARC_TYPE_THREE_POINTS())
- isValid = aStartAttr->isInitialized() && anEndAttr->isInitialized() && aPassedAttr->isInitialized();
- else
- isValid = aCenterAttr->isInitialized() && aStartAttr->isInitialized() && anEndAttr->isInitialized();
+ // Make a visible point.
+ SketchPlugin_Sketch::createPoint2DResult(this, sketch(), CENTER_ID(), 0);
- return isValid;
-}
+ // Make a visible arc.
+ std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
+ std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
+ std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
+ std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
+ aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
+ std::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
-static inline void adjustPeriod(double& theParam)
-{
- static const double PERIOD = 2.0 * PI;
- while (theParam < 0.0) theParam += PERIOD;
- while (theParam >= PERIOD) theParam -= PERIOD;
-}
+ if (myParamBefore == 0) { // parameter has not been calculate yet
+ std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
+ new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
+ aCircleForArc->parameter(anEndAttr->pnt(), paramTolerance, myParamBefore);
+ }
-static inline void calculateArcAngleRadius(
- const std::shared_ptr<GeomAPI_Circ2d>& theCircle,
- const std::shared_ptr<GeomAPI_Pnt2d>& theStartPoint,
- const std::shared_ptr<GeomAPI_Pnt2d>& theEndPoint,
- const std::shared_ptr<GeomAPI_Pnt2d>& thePassedPoint,
- AttributeDoublePtr theAngleAttr,
- AttributeDoublePtr theRadiusAttr)
-{
- double aStartParam, aEndParam, aPassedParam;
- theCircle->parameter(theStartPoint, paramTolerance, aStartParam);
- theCircle->parameter(theEndPoint, paramTolerance, aEndParam);
- theCircle->parameter(thePassedPoint, paramTolerance, aPassedParam);
- adjustPeriod(aStartParam);
- adjustPeriod(aEndParam);
- adjustPeriod(aPassedParam);
-
- if (aPassedParam >= aStartParam && aPassedParam <= aEndParam)
- theAngleAttr->setValue((aEndParam - aStartParam) * 180.0 / PI);
- else
- theAngleAttr->setValue((aEndParam - aStartParam - 2.0 * PI) * 180.0 / PI);
- theRadiusAttr->setValue(theCircle->radius());
-}
+ bool isReversed = boolean(REVERSED_ID())->value();
-static inline void calculatePassedPoint(
- const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
- const std::shared_ptr<GeomAPI_Pnt2d>& theStartPoint,
- const std::shared_ptr<GeomAPI_Pnt2d>& theEndPoint,
- bool theArcReversed,
- std::shared_ptr<GeomDataAPI_Point2D> thePassedPoint)
-{
- if (theCenter->distance(theStartPoint) < tolerance ||
- theCenter->distance(theEndPoint) < tolerance)
- return;
+ GeomEdgePtr anArcShape;
+ if (fabs(myParamBefore - 2.0 * PI) < paramTolerance) {
+ anArcShape = GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aStart->distance(aCenter));
+ myParamBefore = 0;
+ } else {
+ anArcShape = isReversed ?
+ GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
+ : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
+ }
- std::shared_ptr<GeomAPI_Dir2d> aStartDir(new GeomAPI_Dir2d(
- theStartPoint->xy()->decreased(theCenter->xy())));
- std::shared_ptr<GeomAPI_Dir2d> aEndDir(new GeomAPI_Dir2d(
- theEndPoint->xy()->decreased(theCenter->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());
+ // calculate tolerances for start and end points of the arc and set them to the result shape
+ // (this is done to fix gaps which appear because of inaccurate computation of arcs in PlaneGCS,
+ // which leads to difference in SketchPlugin_Arc attributes and boundary points of result shape)
+ if (anArcShape) {
+ for (int ind = 0; ind < 2; ++ind) {
+ bool isFirst = ind == 0;
+ GeomPointPtr anArcBndPoint = isFirst == isReversed ? anEnd : aStart;
+ GeomPointPtr aShapePoint = isFirst ? anArcShape->firstPoint() : anArcShape->lastPoint();
+ double aDistance = anArcBndPoint->distance(aShapePoint);
+ // avoid setting too high tolerance because it may be caused by incomplete update of an arc
+ if (aDistance > tolerance && aDistance < 100. * tolerance) {
+ if (isFirst)
+ anArcShape->setFirstPointTolerance(aDistance);
+ else
+ anArcShape->setLastPointTolerance(aDistance);
+ }
+ }
}
- std::shared_ptr<GeomAPI_Dir2d> aMidDir(new GeomAPI_Dir2d(aMidDirXY));
- if ((aStartDir->cross(aMidDir) > 0) ^ !theArcReversed)
- aMidDir->reverse();
- double aRadius = theCenter->distance(theStartPoint);
- std::shared_ptr<GeomAPI_XY> aPassedPnt = theCenter->xy()->added( aMidDir->xy()->multiplied(aRadius) );
- thePassedPoint->setValue(aPassedPnt->x(), aPassedPnt->y());
+ std::shared_ptr<ModelAPI_ResultConstruction> aResult = document()->createConstruction(data(), 1);
+ aResult->setShape(anArcShape);
+ aResult->setIsInHistory(false);
+ setResult(aResult, 1);
}
-void SketchPlugin_Arc::updateDependentAttributes()
+bool SketchPlugin_Arc::isFixed()
{
- std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
- std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(START_ID()));
- std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(END_ID()));
- std::shared_ptr<GeomDataAPI_Point2D> aPassedPoint =
- std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
- AttributeDoublePtr aRadiusAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
- data()->attribute(RADIUS_ID()));
- AttributeDoublePtr anAngleAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
- data()->attribute(ANGLE_ID()));
-
- if (!aPassedPoint)
- return;
-
- data()->blockSendAttributeUpdated(true);
-
- calculatePassedPoint(aCenterAttr->pnt(), aStartAttr->pnt(), anEndAttr->pnt(),
- isReversed(), aPassedPoint);
- if (aRadiusAttr && anAngleAttr) {
- std::shared_ptr<GeomAPI_Circ2d> aCircle(
- new GeomAPI_Circ2d(aStartAttr->pnt(), anEndAttr->pnt(), aPassedPoint->pnt()));
- if (aCircle->implPtr<void*>())
- calculateArcAngleRadius(aCircle, aStartAttr->pnt(), anEndAttr->pnt(), aPassedPoint->pnt(),
- anAngleAttr, aRadiusAttr);
- }
- data()->blockSendAttributeUpdated(false);
+ return data()->selection(EXTERNAL_ID())->context().get() != NULL;
}
-
void SketchPlugin_Arc::attributeChanged(const std::string& theID)
{
std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(START_ID()));
std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
GeomDataAPI_Point2D>(data()->attribute(END_ID()));
- // the second condition for unability to move external segments anywhere
- if (theID == EXTERNAL_ID() || isFixed()) {
+
+ // 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();
+ if(!aSelection) {
+ // empty shape in selection shows that the shape is equal to context
+ ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
+ if(anExtRes) {
+ aSelection = anExtRes->shape();
+ }
+ }
// update arguments due to the selection value
- if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
+ 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()) {
+ if(aCirc.get()) {
+ bool aWasBlocked = data()->blockSendAttributeUpdated(true);
+ aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
- aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
+ data()->blockSendAttributeUpdated(aWasBlocked, false);
+
+ std::shared_ptr<GeomAPI_Circ2d> aCircle2d =
+ std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(aCenterAttr->pnt(),
+ aStartAttr->pnt()));
+
+ double anEndParam = 0.0;
+ aCircle2d->parameter(anEndAttr->pnt(), paramTolerance, anEndParam);
+ myParamBefore = anEndParam;
+
+ double aMidParam = anEndParam / 2.0;
+ std::shared_ptr<GeomAPI_Pnt2d> aMidPnt2d;
+ aCircle2d->D0(aMidParam, aMidPnt2d);
+ std::shared_ptr<GeomAPI_Pnt> aMinPnt = sketch()->to3D(aMidPnt2d->x(), aMidPnt2d->y());
+ double aStartParam = 0.0;
+ aCirc->parameter(anEdge->firstPoint(), paramTolerance, aStartParam);
+ aCirc->parameter(aMinPnt, paramTolerance, aMidParam);
+ aCirc->parameter(anEdge->lastPoint(), paramTolerance, anEndParam);
+
+ // adjust period
+ anEndParam -= aStartParam;
+ aMidParam -= aStartParam;
+ if (anEndParam < 0.0)
+ anEndParam += 2.0 * PI;
+ if (aMidParam < 0.0)
+ aMidParam += 2.0 * PI;
+
+ aWasBlocked = data()->blockSendAttributeUpdated(true);
+ if(aMidParam < anEndParam) {
+ setReversed(false);
+ } else {
+ setReversed(true);
+ }
+ data()->blockSendAttributeUpdated(aWasBlocked, false);
}
}
- return;
- }
-
- AttributeDoublePtr aRadiusAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
- data()->attribute(RADIUS_ID()));
- AttributeDoublePtr anAngleAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
- data()->attribute(ANGLE_ID()));
-
- if (theID == RADIUS_ID()) {
- if (!aStartAttr->isInitialized() || !anEndAttr->isInitialized())
- return;
- // move center and passed point
- std::shared_ptr<GeomAPI_XY> aStartPnt = aStartAttr->pnt()->xy();
- std::shared_ptr<GeomAPI_XY> aEndPnt = anEndAttr->pnt()->xy();
- double aDist = aStartPnt->distance(aEndPnt);
- if (fabs(aDist) < tolerance)
- return;
- std::shared_ptr<GeomAPI_Dir2d> aDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
- std::shared_ptr<GeomAPI_Dir2d> aMidPerpDir(new GeomAPI_Dir2d(-aDir->y(), aDir->x()));
- std::shared_ptr<GeomAPI_XY> aMidPnt = aStartPnt->added(aEndPnt)->multiplied(0.5);
-
- double anAngle = anAngleAttr->value() * PI / 180.0;
- adjustPeriod(anAngle);
- if (anAngle > PI)
- aMidPerpDir->reverse();
-
- double aRadius = aRadiusAttr->value();
- // The center is placed on a perpendicular bisector of a start-end points segment.
- // If the radius is smaller that necessary, start and end points are moved too.
- double aDist2 = aRadius * aRadius - aDist * aDist / 4.0;
- aDist = aDist2 > 0.0 ? sqrt(aDist2) : 0.0;
- // distance between middle point and start point (does not changed if the arc diameter is greater than start-end distance)
- aDist2 = sqrt(aRadius * aRadius - aDist * aDist);
-
- std::shared_ptr<GeomAPI_XY> aCenter = aMidPnt->added(aMidPerpDir->xy()->multiplied(aDist));
- aStartPnt = aMidPnt->added(aDir->xy()->multiplied(-aDist2));
- aEndPnt = aMidPnt->added(aDir->xy()->multiplied(aDist2));
-
- data()->blockSendAttributeUpdated(true);
- aCenterAttr->setValue(aCenter->x(), aCenter->y());
- aStartAttr->setValue(aStartPnt->x(), aStartPnt->y());
- anEndAttr->setValue(aEndPnt->x(), aEndPnt->y());
- updateDependentAttributes();
- data()->blockSendAttributeUpdated(false);
- return;
- }
- if (theID == ANGLE_ID()) {
- if (!aStartAttr->isInitialized() || !aCenterAttr->isInitialized())
+ } else if(theID == CENTER_ID() || theID == START_ID() || theID == END_ID()) {
+ if(!aCenterAttr->isInitialized()
+ || !aStartAttr->isInitialized()
+ || !anEndAttr->isInitialized()) {
return;
- 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());
-
- anAngle /= 2.0;
- sinA = sin(anAngle);
- cosA = cos(anAngle);
- aDir = std::shared_ptr<GeomAPI_XY>(new GeomAPI_XY(
- aStartDir->x() * cosA - aStartDir->y() * sinA,
- aStartDir->x() * sinA + aStartDir->y() * cosA));
- std::shared_ptr<GeomDataAPI_Point2D> aPassedPoint =
- std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
- aPassedPoint->setValue(aCenter->x() + aDir->x(), aCenter->y() + aDir->y());
-
- std::shared_ptr<GeomAPI_Circ2d> aCircle(
- new GeomAPI_Circ2d(aStartAttr->pnt(), anEndAttr->pnt(), aPassedPoint->pnt()));
- calculateArcAngleRadius(aCircle, aStartAttr->pnt(), anEndAttr->pnt(), aPassedPoint->pnt(),
- anAngleAttr, aRadiusAttr);
- data()->blockSendAttributeUpdated(false);
- return;
- }
-
- if (theID == CENTER_ID()) {
- if (isFeatureValid())
- projectEndPoint();
- return;
- }
-
- AttributeStringPtr aTypeAttr =
- std::dynamic_pointer_cast<ModelAPI_AttributeString>(attribute(ARC_TYPE()));
- if (!aTypeAttr)
- return;
- std::string anArcType = aTypeAttr->value();
-
- // update the points in accordance to the changed point changes
- if (anArcType == ARC_TYPE_CENTER_START_END()) {
- if (!isFeatureValid())
- return;
- if (theID == END_ID() && isStable()) {
- // The arc is under construction, so its end point projected
- // on the circle formed by center and start points
- projectEndPoint();
}
- updateDependentAttributes();
- }
- else if (anArcType == ARC_TYPE_THREE_POINTS() &&
- (theID == START_ID() || theID == END_ID() || 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 == 1)
- aCenterAttr->setValue(aPoints[0]->x(), aPoints[0]->y());
- else if (aNbInitialized == 2) {
- // calculate center point, which gives a quarter of circle for the given start and end points
- std::shared_ptr<GeomAPI_Pnt2d> aStartPnt = aPoints[0];
- std::shared_ptr<GeomAPI_Pnt2d> aEndPnt = aPoints[1];
- std::shared_ptr<GeomAPI_XY> aDir = aEndPnt->xy()->decreased(aStartPnt->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> aCenter = aStartPnt->xy()->added(aDir);
- double aRadius = sqrt(aDir->dot(aDir));
-
- aCenterAttr->setValue(aCenter->x(), aCenter->y());
- aRadiusAttr->setValue(aRadius);
- anAngleAttr->setValue(90.0);
- }
- else {
- 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);
- if (theID == START_ID() || theID == END_ID())
- updateDependentAttributes();
- else
- calculateArcAngleRadius(aCircle, aPoints[0], aPoints[1], aPoints[2],
- anAngleAttr, aRadiusAttr);
+ 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));
+
+ // Do not recalculate REVERSED flag if the arc is not consistent
+ std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEnd);
+ if (aProjection && anEnd->distance(aProjection) <= tolerance) {
+ double aParameterNew = 0.0;
+ if(aCircleForArc->parameter(anEnd, paramTolerance, aParameterNew)) {
+ bool aWasBlocked = data()->blockSendAttributeUpdated(true);
+ if(myParamBefore <= PI / 2.0 && aParameterNew >= PI * 1.5) {
+ if(!boolean(REVERSED_ID())->value()) {
+ boolean(REVERSED_ID())->setValue(true);
+ }
+ } else if(myParamBefore >= PI * 1.5 && aParameterNew <= PI / 2.0) {
+ if(boolean(REVERSED_ID())->value()) {
+ boolean(REVERSED_ID())->setValue(false);
+ }
+ }
+ data()->blockSendAttributeUpdated(aWasBlocked, false);
}
+ if (fabs(aParameterNew) < paramTolerance ||
+ fabs(aParameterNew - 2.0 * PI) < paramTolerance)
+ aParameterNew = 2.0 * PI;
+ myParamBefore = aParameterNew;
}
-
- data()->blockSendAttributeUpdated(false);
}
- else if (anArcType == 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()) {
- data()->blockSendAttributeUpdated(true);
- // 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) {
- aCenterAttr->setValue(aCenter);
- aStartAttr->setValue(aTangPnt2d);
- updateDependentAttributes();
+ double aRadius = 0;
+ double anAngle = 0;
+ if(aCenterAttr->isInitialized() && aStartAttr->isInitialized()) {
+ aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
+ if(anEndAttr->isInitialized()) {
+ if(aStartAttr->pnt()->isEqual(anEndAttr->pnt())) {
+ anAngle = 360;
+ } else {
+ GeomAPI_Circ2d aCircleForArc(aCenterAttr->pnt(), aStartAttr->pnt());
+ double aStartParam, anEndParam;
+ aCircleForArc.parameter(aStartAttr->pnt(), paramTolerance, aStartParam);
+ aCircleForArc.parameter(anEndAttr->pnt(), paramTolerance, anEndParam);
+ anAngle = (anEndParam - aStartParam) / PI * 180.0;
+ if(isReversed()) anAngle = 360.0 - anAngle;
}
-
- data()->blockSendAttributeUpdated(false);
- tangencyArcConstraints();
}
}
+
+ bool aWasBlocked = data()->blockSendAttributeUpdated(true);
+ real(RADIUS_ID())->setValue(aRadius);
+ real(ANGLE_ID())->setValue(anAngle);
+ data()->blockSendAttributeUpdated(aWasBlocked, false);
}
void SketchPlugin_Arc::setReversed(bool isReversed)
{
- std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(attribute(INVERSED_ID()))->setValue(isReversed);
- myParamBefore = 0.0;
+ boolean(REVERSED_ID())->setValue(isReversed);
}
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();
- if (anOtherPoint->owner() == anOtherObject) {
- 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();
- for (aCIt = aCoincidence.begin(); aCIt != aCoincidence.end(); ++aCIt)
- aDoc->removeFeature(*aCIt);
- for (aTIt = aTangency.begin(); aTIt != aTangency.end(); ++aTIt)
- aDoc->removeFeature(*aTIt);
- // 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 anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
- bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
- if (isUpdateFlushed)
- Events_Loop::loop()->setFlushed(anUpdateEvent, 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, anUpdateEvent);
-
- 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, anUpdateEvent);
-
- // Send events to update the sub-features by the solver.
- if(isUpdateFlushed)
- Events_Loop::loop()->setFlushed(anUpdateEvent, true);
- }
-}
-
-void SketchPlugin_Arc::projectEndPoint()
-{
- std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
- std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(START_ID()));
- std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(data()->attribute(END_ID()));
-
- if (aCenterAttr->pnt()->distance(aStartAttr->pnt()) < tolerance)
- return;
- data()->blockSendAttributeUpdated(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);
- updateDependentAttributes();
- data()->blockSendAttributeUpdated(false);
+ return boolean(REVERSED_ID())->value();
}
