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Sketcher: Implement symmetry with respect to a point constraint, aka midpoint constraint

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This commit is contained in:
logari81
2012-11-29 22:46:11 +01:00
parent b6eec06fa3
commit afcaa8b980
8 changed files with 217 additions and 23 deletions
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33
src/Mod/Sketcher/App/Sketch.cpp
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@@ -537,8 +537,13 @@ int Sketch::addConstraint(const Constraint *constraint)
rtn = addEqualConstraint(constraint->First,constraint->Second);
break;
case Symmetric:
rtn = addSymmetricConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos,constraint->Third);
if (constraint->ThirdPos != none)
rtn = addSymmetricConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos,
constraint->Third,constraint->ThirdPos);
else
rtn = addSymmetricConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos,constraint->Third);
break;
case None:
break;
@@ -1522,6 +1527,30 @@ int Sketch::addSymmetricConstraint(int geoId1, PointPos pos1, int geoId2, PointP
return -1;
}
int Sketch::addSymmetricConstraint(int geoId1, PointPos pos1, int geoId2, PointPos pos2,
int geoId3, PointPos pos3)
{
geoId1 = checkGeoId(geoId1);
geoId2 = checkGeoId(geoId2);
geoId3 = checkGeoId(geoId3);
int pointId1 = getPointId(geoId1, pos1);
int pointId2 = getPointId(geoId2, pos2);
int pointId3 = getPointId(geoId3, pos3);
if (pointId1 >= 0 && pointId1 < int(Points.size()) &&
pointId2 >= 0 && pointId2 < int(Points.size()) &&
pointId3 >= 0 && pointId3 < int(Points.size())) {
GCS::Point &p1 = Points[pointId1];
GCS::Point &p2 = Points[pointId2];
GCS::Point &p = Points[pointId3];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintP2PSymmetric(p1, p2, p, tag);
return ConstraintsCounter;
}
return -1;
}
bool Sketch::updateGeometry()
{
int i=0;