1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 #include <SketchSolver_ConstraintDistance.h>
4 #include <SketchSolver_Error.h>
5 #include <SketchSolver_Manager.h>
7 #include <GeomAPI_Dir2d.h>
8 #include <GeomAPI_Lin2d.h>
9 #include <GeomAPI_Pnt2d.h>
10 #include <GeomAPI_XY.h>
15 void SketchSolver_ConstraintDistance::getAttributes(
17 std::vector<EntityWrapperPtr>& theAttributes)
19 SketchSolver_Constraint::getAttributes(theValue, theAttributes);
20 if (!myErrorMsg.empty() || !theAttributes[0]) {
21 theAttributes.clear();
26 myType = CONSTRAINT_PT_PT_DISTANCE;
27 else if (theAttributes[2] && theAttributes[2]->type() == ENTITY_LINE)
28 myType = CONSTRAINT_PT_LINE_DISTANCE;
30 theAttributes.clear();
35 void SketchSolver_ConstraintDistance::adjustConstraint()
37 ConstraintWrapperPtr aConstraint = myStorage->constraint(myBaseConstraint).front();
39 // Adjust point-point distance if the points are equal
40 if (getType() == CONSTRAINT_PT_PT_DISTANCE) {
41 const std::list<EntityWrapperPtr>& aSubs = aConstraint->entities();
42 if (aSubs.front()->isEqual(aSubs.back())) {
43 // Change X coordinate of second point to eliminate coincidence
44 ParameterWrapperPtr aX = aSubs.back()->parameters().front();
45 aX->setValue(aX->value() + 1.0);
46 myStorage->update(aX);
51 // Adjust point-line distance
52 if (fabs(myPrevValue) == fabs(aConstraint->value())) {
53 // sign of distance is not changed
54 aConstraint->setValue(myPrevValue);
55 myStorage->addConstraint(myBaseConstraint, aConstraint);
59 // Adjust the sign of constraint value
60 BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
61 aBuilder->adjustConstraint(aConstraint);
62 myStorage->addConstraint(myBaseConstraint, aConstraint);
65 void SketchSolver_ConstraintDistance::update()
67 ConstraintWrapperPtr aConstraint = myStorage->constraint(myBaseConstraint).front();
68 myPrevValue = aConstraint->value();
70 SketchSolver_Constraint::update();