+// Copyright (C) 2014-2017 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<mailto:webmaster.salome@opencascade.com>
+//
+
#include <SketchSolver_ConstraintDistance.h>
#include <SketchSolver_Error.h>
#include <SketchSolver_Manager.h>
+#include <PlaneGCSSolver_EdgeWrapper.h>
+#include <PlaneGCSSolver_PointWrapper.h>
+#include <PlaneGCSSolver_Storage.h>
+#include <PlaneGCSSolver_Tools.h>
+
+#include <SketchPlugin_ConstraintDistanceHorizontal.h>
+#include <SketchPlugin_ConstraintDistanceVertical.h>
+
#include <GeomAPI_Dir2d.h>
#include <GeomAPI_Lin2d.h>
#include <GeomAPI_Pnt2d.h>
void SketchSolver_ConstraintDistance::getAttributes(
- double& theValue,
+ EntityWrapperPtr& theValue,
std::vector<EntityWrapperPtr>& theAttributes)
{
SketchSolver_Constraint::getAttributes(theValue, theAttributes);
return;
}
- if (theAttributes[1])
- myType = CONSTRAINT_PT_PT_DISTANCE;
- else if (theAttributes[2] && theAttributes[2]->type() == ENTITY_LINE)
+ if (theAttributes[1]) {
+ if (myBaseConstraint->getKind() == SketchPlugin_ConstraintDistanceHorizontal::ID())
+ myType = CONSTRAINT_HORIZONTAL_DISTANCE;
+ else if (myBaseConstraint->getKind() == SketchPlugin_ConstraintDistanceVertical::ID())
+ myType = CONSTRAINT_VERTICAL_DISTANCE;
+ else
+ myType = CONSTRAINT_PT_PT_DISTANCE;
+ } else if (theAttributes[2] && theAttributes[2]->type() == ENTITY_LINE)
myType = CONSTRAINT_PT_LINE_DISTANCE;
else
theAttributes.clear();
void SketchSolver_ConstraintDistance::adjustConstraint()
{
- // Adjust point-line distance
- if (getType() != CONSTRAINT_PT_LINE_DISTANCE)
- return;
+ if (getType() == CONSTRAINT_PT_LINE_DISTANCE) {
+ bool isSigned = myBaseConstraint->boolean(SketchPlugin_ConstraintDistance::SIGNED())->value();
+ if (myIsSigned == isSigned)
+ return; // distance type is not changed => nothing to adjust
- // Check the sign of distance is changed
- ConstraintWrapperPtr aConstraint = myStorage->constraint(myBaseConstraint).front();
- if (fabs(myPrevValue) == fabs(aConstraint->value())) {
- aConstraint->setValue(myPrevValue);
- myStorage->addConstraint(myBaseConstraint, aConstraint);
- return;
+ // Adjust point-line distance by setting/removing additional constraints
+ if (isSigned)
+ addConstraintsToKeepSign();
+ else
+ removeConstraintsKeepingSign();
+ myIsSigned = isSigned;
}
+}
- // Get constraint parameters and check the sign of constraint value
- BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
- std::shared_ptr<GeomAPI_Pnt2d> aPoint;
- std::shared_ptr<GeomAPI_Lin2d> aLine;
- std::list<EntityWrapperPtr> aSubs = aConstraint->entities();
- std::list<EntityWrapperPtr>::const_iterator aSIt = aSubs.begin();
- for (; aSIt != aSubs.end(); ++aSIt) {
- if ((*aSIt)->type() == ENTITY_POINT)
- aPoint = aBuilder->point(*aSIt);
- else if ((*aSIt)->type() == ENTITY_LINE)
- aLine = aBuilder->line(*aSIt);
+void SketchSolver_ConstraintDistance::update()
+{
+ ConstraintWrapperPtr aConstraint = myStorage->constraint(myBaseConstraint);
+ myPrevValue = aConstraint->value();
+
+ SketchSolver_Constraint::update();
+}
+
+bool SketchSolver_ConstraintDistance::remove()
+{
+ removeConstraintsKeepingSign();
+ return SketchSolver_Constraint::remove();
+}
+
+void SketchSolver_ConstraintDistance::addConstraintsToKeepSign()
+{
+ std::shared_ptr<PlaneGCSSolver_Storage> aStorage =
+ std::dynamic_pointer_cast<PlaneGCSSolver_Storage>(myStorage);
+
+ ConstraintWrapperPtr aConstraint = aStorage->constraint(myBaseConstraint);
+ std::list<GCSConstraintPtr> aGCSConstraints = aConstraint->constraints();
+
+ // calculate projection of the point on the line and find a sign of a distance
+ EntityWrapperPtr aDistPoint, aDistLine;
+ for (int i = 0; i < 2; ++i) {
+ AttributePtr anAttr = myBaseConstraint->attribute(SketchPlugin_Constraint::ATTRIBUTE(i));
+ EntityWrapperPtr anEntity = myStorage->entity(anAttr);
+ if (anEntity->type() == ENTITY_POINT)
+ aDistPoint = anEntity;
+ else if (anEntity->type() == ENTITY_LINE)
+ aDistLine = anEntity;
}
+ std::shared_ptr<GeomAPI_Lin2d> aLine = PlaneGCSSolver_Tools::line(aDistLine);
+ std::shared_ptr<GeomAPI_Pnt2d> aPoint = PlaneGCSSolver_Tools::point(aDistPoint);
std::shared_ptr<GeomAPI_XY> aLineVec = aLine->direction()->xy();
std::shared_ptr<GeomAPI_XY> aPtLineVec = aPoint->xy()->decreased(aLine->location()->xy());
- if (aPtLineVec->cross(aLineVec) * aConstraint->value() < 0.0 || myIsNegative) {
- aConstraint->setValue(aConstraint->value() * (-1.0));
- myStorage->addConstraint(myBaseConstraint, aConstraint);
- myIsNegative = true;
- }
+ if (aLineVec->cross(aPtLineVec) >= 0.)
+ mySignValue = PI/2.0;
+ else
+ mySignValue = - PI/2.0;
+ double aDot = aPtLineVec->dot(aLineVec);
+ std::shared_ptr<GeomAPI_XY> aProjectedPnt =
+ aLine->location()->xy()->added(aLineVec->multiplied(aDot));
+
+ // create auxiliary point on the line and set auxiliary constraints
+ myOddPoint = GCSPointPtr(new GCS::Point);
+ myOddPoint->x = aStorage->createParameter();
+ myOddPoint->y = aStorage->createParameter();
+ *(myOddPoint->x) = aProjectedPnt->x();
+ *(myOddPoint->y) = aProjectedPnt->y();
+
+ PointWrapperPtr aPointWr = std::dynamic_pointer_cast<PlaneGCSSolver_PointWrapper>(aDistPoint);
+ EdgeWrapperPtr anEdgeWr = std::dynamic_pointer_cast<PlaneGCSSolver_EdgeWrapper>(aDistLine);
+ std::shared_ptr<GCS::Line> aGCSLine = std::dynamic_pointer_cast<GCS::Line>(anEdgeWr->entity());
+ // point-on-line
+ GCSConstraintPtr aNewConstraint(new GCS::ConstraintPointOnLine(*myOddPoint, *aGCSLine));
+ aGCSConstraints.push_back(aNewConstraint);
+ // angle which keep orientation
+ aNewConstraint = GCSConstraintPtr(new GCS::ConstraintL2LAngle(
+ aGCSLine->p1, aGCSLine->p2, *myOddPoint, *(aPointWr->point()), &mySignValue));
+ aGCSConstraints.push_back(aNewConstraint);
+
+ aConstraint->setConstraints(aGCSConstraints);
+
+ aStorage->removeConstraint(myBaseConstraint);
+ aStorage->addConstraint(myBaseConstraint, aConstraint);
}
-void SketchSolver_ConstraintDistance::update()
+void SketchSolver_ConstraintDistance::removeConstraintsKeepingSign()
{
- ConstraintWrapperPtr aConstraint = myStorage->constraint(myBaseConstraint).front();
- myPrevValue = aConstraint->value();
+ if (!myOddPoint)
+ return; // no sign kept => nothing to remove
- SketchSolver_Constraint::update();
+ std::shared_ptr<PlaneGCSSolver_Storage> aStorage =
+ std::dynamic_pointer_cast<PlaneGCSSolver_Storage>(myStorage);
+
+ ConstraintWrapperPtr aConstraint = aStorage->constraint(myBaseConstraint);
+ std::list<GCSConstraintPtr> aGCSConstraints = aConstraint->constraints();
+
+ aStorage->removeConstraint(myBaseConstraint);
+
+ // remove parameters related to auxiliary point
+ GCS::SET_pD aParams;
+ aParams.insert(myOddPoint->x);
+ aParams.insert(myOddPoint->y);
+ aStorage->removeParameters(aParams);
+
+ // remove constraints keeping sign of point-line distance,
+ // not more than 2 additional constraints is possible
+ if (!aGCSConstraints.empty())
+ aGCSConstraints.pop_back();
+ if (!aGCSConstraints.empty())
+ aGCSConstraints.pop_back();
+ aConstraint->setConstraints(aGCSConstraints);
+ aStorage->addConstraint(myBaseConstraint, aConstraint);
+
+ myIsSigned = false;
}
