1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #include <SketchSolver_ConstraintDistance.h>
22 #include <SketchSolver_Error.h>
23 #include <SketchSolver_Manager.h>
25 #include <SketchPlugin_ConstraintDistanceHorizontal.h>
26 #include <SketchPlugin_ConstraintDistanceVertical.h>
28 #include <GeomAPI_Dir2d.h>
29 #include <GeomAPI_Lin2d.h>
30 #include <GeomAPI_Pnt2d.h>
31 #include <GeomAPI_XY.h>
36 void SketchSolver_ConstraintDistance::getAttributes(
37 EntityWrapperPtr& theValue,
38 std::vector<EntityWrapperPtr>& theAttributes)
40 SketchSolver_Constraint::getAttributes(theValue, theAttributes);
41 if (!myErrorMsg.empty() || !theAttributes[0]) {
42 theAttributes.clear();
46 if (theAttributes[1]) {
47 if (myBaseConstraint->getKind() == SketchPlugin_ConstraintDistanceHorizontal::ID())
48 myType = CONSTRAINT_HORIZONTAL_DISTANCE;
49 else if (myBaseConstraint->getKind() == SketchPlugin_ConstraintDistanceVertical::ID())
50 myType = CONSTRAINT_VERTICAL_DISTANCE;
52 myType = CONSTRAINT_PT_PT_DISTANCE;
53 } else if (theAttributes[2] && theAttributes[2]->type() == ENTITY_LINE)
54 myType = CONSTRAINT_PT_LINE_DISTANCE;
56 theAttributes.clear();
61 void SketchSolver_ConstraintDistance::adjustConstraint()
63 ConstraintWrapperPtr aConstraint = myStorage->constraint(myBaseConstraint);
65 // Adjust point-point distance if the points are equal
66 if (getType() == CONSTRAINT_PT_PT_DISTANCE) {
67 //// AttributePtr aPt1 = myBaseConstraint->attribute(SketchPlugin_Constraint::ENTITY_A());
68 //// AttributePtr aPt2 = myBaseConstraint->attribute(SketchPlugin_Constraint::ENTITY_B());
70 //// BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
71 //// std::shared_ptr<GeomAPI_Pnt2d> aPoint1 = aBuilder->point(myStorage->entity(aPt1));
72 //// EntityWrapperPtr anEntity2 = myStorage->entity(aPt2);
73 //// std::shared_ptr<GeomAPI_Pnt2d> aPoint2 = aBuilder->point(anEntity2);
75 //////// if (aPoint1->distance(aPoint2) < tolerance) {
76 //////// // Change X coordinate of second point to eliminate coincidence
77 //////// ParameterWrapperPtr aX = aSubs.back()->parameters().front();
78 //////// aX->setValue(aX->value() + 1.0);
79 //////// myStorage->update(aX);
84 // Adjust point-line distance
85 if (fabs(myPrevValue) == fabs(aConstraint->value())) {
86 // sign of distance is not changed
87 //// aConstraint->setValue(myPrevValue);
88 //// myStorage->addConstraint(myBaseConstraint, aConstraint);
92 //// // Adjust the sign of constraint value
93 //// BuilderPtr aBuilder = SketchSolver_Manager::instance()->builder();
95 //// std::shared_ptr<GeomAPI_Lin2d> aLine;
96 //// std::shared_ptr<GeomAPI_Pnt2d> aPoint;
97 //// for (int i = 0; i < 2; ++i) {
98 //// AttributePtr anAttr = myBaseConstraint->attribute(SketchPlugin_Constraint::ATTRIBUTE(i));
99 //// EntityWrapperPtr anEntity = myStorage->entity(anAttr);
100 //// if (anEntity->type() == ENTITY_POINT)
101 //// aPoint = aBuilder->point(anEntity);
102 //// else if (anEntity->type() == ENTITY_LINE)
103 //// aLine = aBuilder->line(anEntity);
106 //// std::shared_ptr<GeomAPI_XY> aLineVec = aLine->direction()->xy();
107 //// std::shared_ptr<GeomAPI_XY> aPtLineVec = aPoint->xy()->decreased(aLine->location()->xy());
108 //// if (aLineVec->cross(aPtLineVec) * aConstraint->value() < 0.0)
109 //// aConstraint->setValue(aConstraint->value() * (-1.0));
112 void SketchSolver_ConstraintDistance::update()
114 ConstraintWrapperPtr aConstraint = myStorage->constraint(myBaseConstraint);
115 myPrevValue = aConstraint->value();
117 SketchSolver_Constraint::update();