-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
-
-// File: SketchPlugin_ConstraintDistance.cpp
-// Created: 23 May 2014
-// Author: Artem ZHIDKOV
+// Copyright (C) 2014-2022 CEA/DEN, EDF R&D
+//
+// 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_ConstraintDistance.h"
#include <SketchPlugin_Point.h>
#include <SketchPlugin_Circle.h>
#include <SketchPlugin_Line.h>
+#include <SketchPlugin_Tools.h>
+
+#include <SketcherPrs_Tools.h>
+#include <SketcherPrs_Factory.h>
+#include <GeomAPI_Dir2d.h>
#include <GeomAPI_Lin2d.h>
#include <GeomAPI_Pnt2d.h>
+#include <GeomAPI_XY.h>
#include <GeomDataAPI_Point2D.h>
+#include <GeomDataAPI_Dir.h>
#include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_AttributeInteger.h>
#include <ModelAPI_Data.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
#include <Config_PropManager.h>
+#include <math.h>
+
+const double tolerance = 1e-7;
+
+
SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
{
+ myFlyoutUpdate = false;
}
//*************************************************************************************
void SketchPlugin_ConstraintDistance::initAttributes()
{
- data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::type());
- data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::type());
- data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::type());
- data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::type());
+ data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
+ data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
+ data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
+ data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
+ data()->addAttribute(SIGNED(), ModelAPI_AttributeBoolean::typeId());
+
+ data()->addAttribute(SketchPlugin_ConstraintDistance::LOCATION_TYPE_ID(),
+ ModelAPI_AttributeInteger::typeId());
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), LOCATION_TYPE_ID());
+
+ AttributePtr anAttr = data()->addAttribute(SketchPlugin_ConstraintDistance::DIRECTION_ID(),
+ GeomDataAPI_Dir::typeId());
+ anAttr->setIsArgument(false);
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), DIRECTION_ID());
+}
+
+void SketchPlugin_ConstraintDistance::colorConfigInfo(std::string& theSection, std::string& theName,
+ std::string& theDefault)
+{
+ theSection = "Visualization";
+ theName = "sketch_dimension_color";
+ theDefault = SKETCH_DIMENSION_COLOR;
}
//*************************************************************************************
return;
double aDistance = calculateCurrentDistance();
- if(aDistance >= 0) {
+ if(aDistance >= 0)
anAttrValue->setValue(aDistance);
- }
-
- // the value should to be computed here, not in the getAISObject in order to change the model value
- // inside the object transaction. This is important for creating a constraint by preselection.
- // The display of the presentation in this case happens after the transaction commit
- std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
- if(!aFlyOutAttr->isInitialized())
- compute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
-}
-
-bool SketchPlugin_ConstraintDistance::compute(const std::string& theAttributeId)
-{
- if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
- return false;
-
- if (!sketch())
- return false;
-
- DataPtr aData = data();
- std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(
- aData, SketchPlugin_Constraint::ENTITY_A());
- std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(
- aData, SketchPlugin_Constraint::ENTITY_B());
-
- std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
- std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
-
- if (aPoint_A && aPoint_B) {
- aPnt_A = aPoint_A->pnt();
- aPnt_B = aPoint_B->pnt();
- } else if (!aPoint_A && aPoint_B) {
- std::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
- aData, SketchPlugin_Constraint::ENTITY_A());
- if (aLine) {
- aPnt_B = aPoint_B->pnt();
- aPnt_A = getProjectionPoint(aLine, aPnt_B);
- }
- } else if (aPoint_A && !aPoint_B) {
- std::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
- aData, SketchPlugin_Constraint::ENTITY_B());
- if (aLine) {
- aPnt_A = aPoint_A->pnt();
- aPnt_B = getProjectionPoint(aLine, aPnt_A);
- }
- }
- if (!aPnt_A || !aPnt_B)
- return false;
-
- std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(aData->attribute(theAttributeId));
-
- std::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
- std::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y());
- std::shared_ptr<GeomAPI_Lin2d> aLine = std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aPnt_A, aPnt_B));
- double aDist = aPoint1->distance(aPoint2)/5.;
- std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
- aFlyOutAttr->setValue(aFPnt);
-
- return true;
}
//*************************************************************************************
if (!sketch())
return thePrevious;
- std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
-
- DataPtr aData = data();
- std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(
- aData, SketchPlugin_Constraint::ENTITY_A());
- std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(
- aData, SketchPlugin_Constraint::ENTITY_B());
-
- std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
- std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
-
- if (aPoint_A && aPoint_B) {
- aPnt_A = aPoint_A->pnt();
- aPnt_B = aPoint_B->pnt();
- } else if (!aPoint_A && aPoint_B) {
- std::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
- aData, SketchPlugin_Constraint::ENTITY_A());
- if (aLine) {
- aPnt_B = aPoint_B->pnt();
- aPnt_A = getProjectionPoint(aLine, aPnt_B);
- }
- } else if (aPoint_A && !aPoint_B) {
- std::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
- aData, SketchPlugin_Constraint::ENTITY_B());
- if (aLine) {
- aPnt_A = aPoint_A->pnt();
- aPnt_B = getProjectionPoint(aLine, aPnt_A);
- }
- }
- if (!aPnt_A || !aPnt_B)
- return AISObjectPtr();
-
- std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
- GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
-
- std::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
- std::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y());
- if(!aFlyOutAttr->isInitialized())
- return AISObjectPtr();
- std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y()/*aFPnt->x(), aFPnt->y()*/);
-
- // value calculation
- std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
- ModelAPI_AttributeDouble>(aData->attribute(SketchPlugin_Constraint::VALUE()));
- double aValue = 0;
- // Issue #196: checking the positivity of the distance constraint
- // there is a validator for a distance constraint, that the value should be positive
- // in case if an invalid value is set, the current distance value is shown
- if (aValueAttr->isInitialized())
- aValue = aValueAttr->value();
-
- AISObjectPtr anAIS = thePrevious;
- if (!anAIS)
- anAIS = AISObjectPtr(new GeomAPI_AISObject);
- anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
-
- // Set color from preferences
- std::vector<int> aRGB = Config_PropManager::color("Visualization", "distance_color",
- DISTANCE_COLOR);
- anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
+ AISObjectPtr anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this,
+ sketch(),
+ thePrevious);
+ if (anAIS.get() && !thePrevious.get())
+ SketchPlugin_Tools::setDimensionColor(anAIS);
return anAIS;
}
-//*************************************************************************************
-void SketchPlugin_ConstraintDistance::move(double theDeltaX, double theDeltaY)
+static std::shared_ptr<GeomAPI_Lin2d> getLine(DataPtr theData, const std::string& theAttrName)
{
- std::shared_ptr<ModelAPI_Data> aData = data();
- if (!aData->isValid())
- return;
+ FeaturePtr aLineFeature = SketcherPrs_Tools::getFeatureLine(theData, theAttrName);
+ if (!aLineFeature)
+ return GeomLine2dPtr();
- std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
- aPoint->move(theDeltaX, theDeltaY);
+ std::shared_ptr<GeomDataAPI_Point2D> aStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aLineFeature->attribute(SketchPlugin_Line::START_ID()));
+ std::shared_ptr<GeomDataAPI_Point2D> aEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aLineFeature->attribute(SketchPlugin_Line::END_ID()));
+
+ return GeomLine2dPtr(new GeomAPI_Lin2d(aStart->x(), aStart->y(), aEnd->x(), aEnd->y()));
}
-double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const
+double SketchPlugin_ConstraintDistance::calculateCurrentDistance()
{
double aDistance = -1.;
std::shared_ptr<ModelAPI_Data> aData = data();
+ std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
std::shared_ptr<GeomDataAPI_Point2D> aPointA =
- getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A());
+ SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
std::shared_ptr<GeomDataAPI_Point2D> aPointB =
- getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B());
+ SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
- if (aPointA && aPointB) { // both points
- aDistance = aPointA->pnt()->distance(aPointB->pnt());
+ GeomPnt2dPtr aGeomPntA, aGeomPntB;
+ GeomLine2dPtr aLine;
+ if (aPointA.get() && aPointB.get()) { // both points
+ aGeomPntA = aPointA->pnt();
+ aGeomPntB = aPointB->pnt();
} else {
- if (!aPointA && aPointB) { //Line and point
- std::shared_ptr<SketchPlugin_Line> aLine =
- getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
- if (aLine) {
- aDistance = aLine->distanceToPoint(aPointB->pnt());
- }
- } else if (aPointA && !aPointB) { // Point and line
- std::shared_ptr<SketchPlugin_Line> aLine =
- getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
- if (aLine) {
- aDistance = aLine->distanceToPoint(aPointA->pnt());
- }
+ if (!aPointA.get() && aPointB.get()) { //Line and point
+ aLine = getLine(aData, SketchPlugin_Constraint::ENTITY_A());
+ aGeomPntB = aPointB->pnt();
+ aGeomPntA = aLine ? aLine->project(aGeomPntB) : GeomPnt2dPtr();
+ } else if (aPointA.get() && !aPointB.get()) { // Point and line
+ aLine = getLine(aData, SketchPlugin_Constraint::ENTITY_B());
+ aGeomPntA = aPointA->pnt();
+ aGeomPntB = aLine ? aLine->project(aGeomPntA) : GeomPnt2dPtr();
}
}
+
+ if (aGeomPntA.get() && aGeomPntB.get()) {
+ aDistance = aGeomPntA->distance(aGeomPntB);
+ if (aDistance < tolerance)
+ aDistance = 0.0;
+ }
+
+ // keep the direction between arguments for processing of the zero distance
+ std::shared_ptr<GeomDataAPI_Dir> aPointPointDir =
+ std::dynamic_pointer_cast<GeomDataAPI_Dir>(attribute(DIRECTION_ID()));
+ if (aDistance > tolerance)
+ aPointPointDir->setValue(aGeomPntB->x() - aGeomPntA->x(), aGeomPntB->y() - aGeomPntA->y(), 0.0);
+ else if (aLine) {
+ GeomDir2dPtr aLineDir = aLine->direction();
+ aPointPointDir->setValue(-aLineDir->y(), aLineDir->x(), 0.0);
+ }
+
return aDistance;
}
-void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID) {
- if (theID == SketchPlugin_Constraint::ENTITY_A() ||
- theID == SketchPlugin_Constraint::ENTITY_B())
+bool SketchPlugin_ConstraintDistance::areAttributesInitialized()
+{
+ std::shared_ptr<ModelAPI_Data> aData = data();
+ std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
+ std::shared_ptr<GeomDataAPI_Point2D> aPointA =
+ SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
+ std::shared_ptr<GeomDataAPI_Point2D> aPointB =
+ SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
+
+ if (!aPointA && !aPointB)
+ return false;
+ else if (aPointA || aPointB) {
+ FeaturePtr aLine;
+ if (!aPointA)
+ aLine = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
+ else if (!aPointB)
+ aLine = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
+ else // both points are initialized
+ return true;
+
+ if (!aLine || aLine->getKind() != SketchPlugin_Line::ID())
+ return false;
+ }
+ return true;
+}
+
+void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
+{
+ if (theID == SketchPlugin_Constraint::ENTITY_A() ||
+ theID == SketchPlugin_Constraint::ENTITY_B())
{
std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
- if (!aValueAttr->isInitialized()) { // only if it is not initialized, try to compute the current value
+ if (!aValueAttr->isInitialized()) {
+ // only if it is not initialized, try to compute the current value
double aDistance = calculateCurrentDistance();
- if (aDistance > 0) { // set as value the length of updated references
+ if (aDistance >= 0) { // set as value the length of updated references
aValueAttr->setValue(aDistance);
}
}
- }
-}
-
-//*************************************************************************************
-std::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
- const std::string& theAttribute)
-{
- std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
-
- if (!theData)
- return aPointAttr;
-
- FeaturePtr aFeature;
- std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
- ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
- if (anAttr)
- aFeature = ModelAPI_Feature::feature(anAttr->object());
-
- if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID())
- aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
- else if (aFeature && aFeature->getKind() == SketchPlugin_Circle::ID())
- aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
- else if (anAttr->attr()) {
- aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
- }
- return aPointAttr;
-}
-
-//*************************************************************************************
-std::shared_ptr<SketchPlugin_Line> getFeatureLine(DataPtr theData,
- const std::string& theAttribute)
-{
- std::shared_ptr<SketchPlugin_Line> aLine;
- if (!theData)
- return aLine;
-
- std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
- ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
- if (anAttr) {
- FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
- if (aFeature && aFeature->getKind() == SketchPlugin_Line::ID()) {
- aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aFeature);
+ } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
+ // Recalculate flyout point in local coordinates of the distance constraint:
+ // the X coordinate is a length of projection of the flyout point on the
+ // line binding two distanced points
+ // or a line of projection of the distanced point onto the distanced segment
+ // the Y coordinate is a distance from the flyout point to the line
+ std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+ std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = aFlyoutAttr->pnt();
+
+ std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
+ std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
+ data(), SketchPlugin_Constraint::ENTITY_A(), aPlane);
+ std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
+ data(), SketchPlugin_Constraint::ENTITY_B(), aPlane);
+
+ std::shared_ptr<GeomAPI_XY> aStartPnt;
+ std::shared_ptr<GeomAPI_XY> aEndPnt;
+ if (aPointA && aPointB) {
+ aStartPnt = aPointA->pnt()->xy();
+ aEndPnt = aPointB->pnt()->xy();
+ } else if (aPointA) {
+ FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
+ SketchPlugin_Constraint::ENTITY_B());
+ if (!aLine)
+ return;
+ std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointA->pnt();
+ aStartPnt = aPoint->xy();
+ aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
+ } else if (aPointB) {
+ FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
+ SketchPlugin_Constraint::ENTITY_A());
+ if (!aLine)
+ return;
+ std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
+ aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
+ aEndPnt = aPoint->xy();
+ } else
+ return;
+
+ myFlyoutUpdate = true;
+ std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutPnt->xy()->decreased(aStartPnt);
+ if (aEndPnt->distance(aStartPnt) >= tolerance) {
+ std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
+ double X = aFlyoutDir->dot(aLineDir->xy());
+ double Y = -aFlyoutDir->cross(aLineDir->xy());
+ aFlyoutAttr->setValue(X, Y);
}
+ else
+ aFlyoutAttr->setValue(aFlyoutDir->x(), aFlyoutDir->y());
+ myFlyoutUpdate = false;
}
- return aLine;
}
-//*************************************************************************************
-std::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(
- const std::shared_ptr<SketchPlugin_Line>& theLine,
- const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
-{
- std::shared_ptr<ModelAPI_Data> aData = theLine->data();
- std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Line::START_ID()));
- std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
- aData->attribute(SketchPlugin_Line::END_ID()));
-
- GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
- return aLin2d.project(thePoint);
-}