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Sketch.cpp
2600 lines (2258 loc) · 94 KB
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Sketch.cpp
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/***************************************************************************
* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2010 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <BRep_Builder.hxx>
# include <Precision.hxx>
# include <ShapeFix_Wire.hxx>
# include <TopoDS_Compound.hxx>
#endif
#include <Base/Writer.h>
#include <Base/Reader.h>
#include <Base/Exception.h>
#include <Base/TimeInfo.h>
#include <Base/Console.h>
#include <Base/VectorPy.h>
#include <Mod/Part/App/Geometry.h>
#include <Mod/Part/App/GeometryCurvePy.h>
#include <Mod/Part/App/ArcOfCirclePy.h>
#include <Mod/Part/App/ArcOfEllipsePy.h>
#include <Mod/Part/App/CirclePy.h>
#include <Mod/Part/App/EllipsePy.h>
#include <Mod/Part/App/LinePy.h>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <BRepBuilderAPI_MakeWire.hxx>
#include "Sketch.h"
#include "Constraint.h"
#include <cmath>
#include <iostream>
using namespace Sketcher;
using namespace Base;
using namespace Part;
TYPESYSTEM_SOURCE(Sketcher::Sketch, Base::Persistence)
Sketch::Sketch()
: GCSsys(), ConstraintsCounter(0), isInitMove(false)
{
}
Sketch::~Sketch()
{
clear();
}
void Sketch::clear(void)
{
// clear all internal data sets
Points.clear();
Lines.clear();
Arcs.clear();
Circles.clear();
Ellipses.clear();
ArcsOfEllipse.clear();
// deleting the doubles allocated with new
for (std::vector<double*>::iterator it = Parameters.begin(); it != Parameters.end(); ++it)
if (*it) delete *it;
Parameters.clear();
for (std::vector<double*>::iterator it = FixParameters.begin(); it != FixParameters.end(); ++it)
if (*it) delete *it;
FixParameters.clear();
// deleting the geometry copied into this sketch
for (std::vector<GeoDef>::iterator it = Geoms.begin(); it != Geoms.end(); ++it)
if (it->geo) delete it->geo;
Geoms.clear();
GCSsys.clear();
isInitMove = false;
ConstraintsCounter = 0;
Conflicting.clear();
}
int Sketch::setUpSketch(const std::vector<Part::Geometry *> &GeoList,
const std::vector<Constraint *> &ConstraintList,
int extGeoCount)
{
clear();
std::vector<Part::Geometry *> intGeoList, extGeoList;
for (int i=0; i < int(GeoList.size())-extGeoCount; i++)
intGeoList.push_back(GeoList[i]);
for (int i=int(GeoList.size())-extGeoCount; i < int(GeoList.size()); i++)
extGeoList.push_back(GeoList[i]);
addGeometry(intGeoList);
int extStart=Geoms.size();
addGeometry(extGeoList, true);
int extEnd=Geoms.size()-1;
for (int i=extStart; i <= extEnd; i++)
Geoms[i].external = true;
// The Geoms list might be empty after an undo/redo
if (!Geoms.empty())
addConstraints(ConstraintList);
GCSsys.clearByTag(-1);
GCSsys.declareUnknowns(Parameters);
GCSsys.initSolution();
GCSsys.getConflicting(Conflicting);
GCSsys.getRedundant(Redundant);
return GCSsys.dofsNumber();
}
const char* nameByType(Sketch::GeoType type)
{
switch (type) {
case Sketch::Point:
return "point";
case Sketch::Line:
return "line";
case Sketch::Arc:
return "arc";
case Sketch::Circle:
return "circle";
case Sketch::Ellipse:
return "ellipse";
case Sketch::ArcOfEllipse:
return "arcofellipse";
case Sketch::None:
default:
return "unknown";
}
}
// Geometry adding ==========================================================
int Sketch::addGeometry(const Part::Geometry *geo, bool fixed)
{
if (geo->getTypeId() == GeomPoint::getClassTypeId()) { // add a point
const GeomPoint *point = dynamic_cast<const GeomPoint*>(geo);
// create the definition struct for that geom
return addPoint(*point, fixed);
} else if (geo->getTypeId() == GeomLineSegment::getClassTypeId()) { // add a line
const GeomLineSegment *lineSeg = dynamic_cast<const GeomLineSegment*>(geo);
// create the definition struct for that geom
return addLineSegment(*lineSeg, fixed);
} else if (geo->getTypeId() == GeomCircle::getClassTypeId()) { // add a circle
const GeomCircle *circle = dynamic_cast<const GeomCircle*>(geo);
// create the definition struct for that geom
return addCircle(*circle, fixed);
} else if (geo->getTypeId() == GeomEllipse::getClassTypeId()) { // add a ellipse
const GeomEllipse *ellipse = dynamic_cast<const GeomEllipse*>(geo);
// create the definition struct for that geom
return addEllipse(*ellipse, fixed);
} else if (geo->getTypeId() == GeomArcOfCircle::getClassTypeId()) { // add an arc
const GeomArcOfCircle *aoc = dynamic_cast<const GeomArcOfCircle*>(geo);
// create the definition struct for that geom
return addArc(*aoc, fixed);
} else if (geo->getTypeId() == GeomArcOfEllipse::getClassTypeId()) { // add an arc
const GeomArcOfEllipse *aoe = dynamic_cast<const GeomArcOfEllipse*>(geo);
// create the definition struct for that geom
return addArcOfEllipse(*aoe, fixed);
} else {
Base::Exception("Sketch::addGeometry(): Unknown or unsupported type added to a sketch");
return 0;
}
}
int Sketch::addGeometry(const std::vector<Part::Geometry *> &geo, bool fixed)
{
int ret = -1;
for (std::vector<Part::Geometry *>::const_iterator it=geo.begin(); it != geo.end(); ++it)
ret = addGeometry(*it, fixed);
return ret;
}
int Sketch::addPoint(const Part::GeomPoint &point, bool fixed)
{
std::vector<double *> ¶ms = fixed ? FixParameters : Parameters;
// create our own copy
GeomPoint *p = static_cast<GeomPoint*>(point.clone());
// points in a sketch are always construction elements
p->Construction = true;
// create the definition struct for that geom
GeoDef def;
def.geo = p;
def.type = Point;
// set the parameter for the solver
params.push_back(new double(p->getPoint().x));
params.push_back(new double(p->getPoint().y));
// set the points for later constraints
GCS::Point p1;
p1.x = params[params.size()-2];
p1.y = params[params.size()-1];
def.startPointId = Points.size();
def.endPointId = Points.size();
def.midPointId = Points.size();
Points.push_back(p1);
// store complete set
Geoms.push_back(def);
// return the position of the newly added geometry
return Geoms.size()-1;
}
int Sketch::addLine(const Part::GeomLineSegment &line, bool fixed)
{
// return the position of the newly added geometry
return Geoms.size()-1;
}
int Sketch::addLineSegment(const Part::GeomLineSegment &lineSegment, bool fixed)
{
std::vector<double *> ¶ms = fixed ? FixParameters : Parameters;
// create our own copy
GeomLineSegment *lineSeg = static_cast<GeomLineSegment*>(lineSegment.clone());
// create the definition struct for that geom
GeoDef def;
def.geo = lineSeg;
def.type = Line;
// get the points from the line
Base::Vector3d start = lineSeg->getStartPoint();
Base::Vector3d end = lineSeg->getEndPoint();
// the points for later constraints
GCS::Point p1, p2;
params.push_back(new double(start.x));
params.push_back(new double(start.y));
p1.x = params[params.size()-2];
p1.y = params[params.size()-1];
params.push_back(new double(end.x));
params.push_back(new double(end.y));
p2.x = params[params.size()-2];
p2.y = params[params.size()-1];
// add the points
def.startPointId = Points.size();
def.endPointId = Points.size()+1;
Points.push_back(p1);
Points.push_back(p2);
// set the line for later constraints
GCS::Line l;
l.p1 = p1;
l.p2 = p2;
def.index = Lines.size();
Lines.push_back(l);
// store complete set
Geoms.push_back(def);
// return the position of the newly added geometry
return Geoms.size()-1;
}
int Sketch::addArc(const Part::GeomArcOfCircle &circleSegment, bool fixed)
{
std::vector<double *> ¶ms = fixed ? FixParameters : Parameters;
// create our own copy
GeomArcOfCircle *aoc = static_cast<GeomArcOfCircle*>(circleSegment.clone());
// create the definition struct for that geom
GeoDef def;
def.geo = aoc;
def.type = Arc;
Base::Vector3d center = aoc->getCenter();
Base::Vector3d startPnt = aoc->getStartPoint();
Base::Vector3d endPnt = aoc->getEndPoint();
double radius = aoc->getRadius();
double startAngle, endAngle;
aoc->getRange(startAngle, endAngle);
GCS::Point p1, p2, p3;
params.push_back(new double(startPnt.x));
params.push_back(new double(startPnt.y));
p1.x = params[params.size()-2];
p1.y = params[params.size()-1];
params.push_back(new double(endPnt.x));
params.push_back(new double(endPnt.y));
p2.x = params[params.size()-2];
p2.y = params[params.size()-1];
params.push_back(new double(center.x));
params.push_back(new double(center.y));
p3.x = params[params.size()-2];
p3.y = params[params.size()-1];
def.startPointId = Points.size();
Points.push_back(p1);
def.endPointId = Points.size();
Points.push_back(p2);
def.midPointId = Points.size();
Points.push_back(p3);
params.push_back(new double(radius));
double *r = params[params.size()-1];
params.push_back(new double(startAngle));
double *a1 = params[params.size()-1];
params.push_back(new double(endAngle));
double *a2 = params[params.size()-1];
// set the arc for later constraints
GCS::Arc a;
a.start = p1;
a.end = p2;
a.center = p3;
a.rad = r;
a.startAngle = a1;
a.endAngle = a2;
def.index = Arcs.size();
Arcs.push_back(a);
// store complete set
Geoms.push_back(def);
// arcs require an ArcRules constraint for the end points
if (!fixed)
GCSsys.addConstraintArcRules(a);
// return the position of the newly added geometry
return Geoms.size()-1;
}
int Sketch::addArcOfEllipse(const Part::GeomArcOfEllipse &ellipseSegment, bool fixed)
{
std::vector<double *> ¶ms = fixed ? FixParameters : Parameters;
// create our own copy
GeomArcOfEllipse *aoe = static_cast<GeomArcOfEllipse*>(ellipseSegment.clone());
// create the definition struct for that geom
GeoDef def;
def.geo = aoe;
def.type = ArcOfEllipse;
Base::Vector3d center = aoe->getCenter();
Base::Vector3d startPnt = aoe->getStartPoint();
Base::Vector3d endPnt = aoe->getEndPoint();
double radmaj = aoe->getMajorRadius();
double radmin = aoe->getMinorRadius();
double phi = aoe->getAngleXU();
double dist_C_F = sqrt(radmaj*radmaj-radmin*radmin);
// solver parameters
Base::Vector3d focus1 = center+dist_C_F*Vector3d(cos(phi), sin(phi),0); //+x
double startAngle, endAngle;
aoe->getRange(startAngle, endAngle);
GCS::Point p1, p2, p3;
params.push_back(new double(startPnt.x));
params.push_back(new double(startPnt.y));
p1.x = params[params.size()-2];
p1.y = params[params.size()-1];
params.push_back(new double(endPnt.x));
params.push_back(new double(endPnt.y));
p2.x = params[params.size()-2];
p2.y = params[params.size()-1];
params.push_back(new double(center.x));
params.push_back(new double(center.y));
p3.x = params[params.size()-2];
p3.y = params[params.size()-1];
params.push_back(new double(focus1.x));
params.push_back(new double(focus1.y));
double *f1X = params[params.size()-2];
double *f1Y = params[params.size()-1];
def.startPointId = Points.size();
Points.push_back(p1);
def.endPointId = Points.size();
Points.push_back(p2);
def.midPointId = Points.size();
Points.push_back(p3);
//Points.push_back(f1);
// add the radius parameters
params.push_back(new double(radmin));
double *rmin = params[params.size()-1];
params.push_back(new double(startAngle));
double *a1 = params[params.size()-1];
params.push_back(new double(endAngle));
double *a2 = params[params.size()-1];
// set the arc for later constraints
GCS::ArcOfEllipse a;
a.start = p1;
a.end = p2;
a.center = p3;
a.focus1X = f1X;
a.focus1Y = f1Y;
a.radmin = rmin;
a.startAngle = a1;
a.endAngle = a2;
def.index = ArcsOfEllipse.size();
ArcsOfEllipse.push_back(a);
// store complete set
Geoms.push_back(def);
// arcs require an ArcRules constraint for the end points
if (!fixed)
GCSsys.addConstraintArcOfEllipseRules(a);
// return the position of the newly added geometry
return Geoms.size()-1;
}
int Sketch::addCircle(const Part::GeomCircle &cir, bool fixed)
{
std::vector<double *> ¶ms = fixed ? FixParameters : Parameters;
// create our own copy
GeomCircle *circ = static_cast<GeomCircle*>(cir.clone());
// create the definition struct for that geom
GeoDef def;
def.geo = circ;
def.type = Circle;
Base::Vector3d center = circ->getCenter();
double radius = circ->getRadius();
GCS::Point p1;
params.push_back(new double(center.x));
params.push_back(new double(center.y));
p1.x = params[params.size()-2];
p1.y = params[params.size()-1];
params.push_back(new double(radius));
def.midPointId = Points.size();
Points.push_back(p1);
// add the radius parameter
double *r = params[params.size()-1];
// set the circle for later constraints
GCS::Circle c;
c.center = p1;
c.rad = r;
def.index = Circles.size();
Circles.push_back(c);
// store complete set
Geoms.push_back(def);
// return the position of the newly added geometry
return Geoms.size()-1;
}
int Sketch::addEllipse(const Part::GeomEllipse &elip, bool fixed)
{
std::vector<double *> ¶ms = fixed ? FixParameters : Parameters;
// create our own copy
GeomEllipse *elips = static_cast<GeomEllipse*>(elip.clone());
// create the definition struct for that geom
GeoDef def;
def.geo = elips;
def.type = Ellipse;
Base::Vector3d center = elips->getCenter();
double radmaj = elips->getMajorRadius();
double radmin = elips->getMinorRadius();
double phi = elips->getAngleXU();
double dist_C_F = sqrt(radmaj*radmaj-radmin*radmin);
// solver parameters
Base::Vector3d focus1 = center+dist_C_F*Vector3d(cos(phi), sin(phi),0); //+x
//double *radmin;
GCS::Point c;
params.push_back(new double(center.x));
params.push_back(new double(center.y));
c.x = params[params.size()-2];
c.y = params[params.size()-1];
def.midPointId = Points.size(); // this takes midPointId+1
Points.push_back(c);
params.push_back(new double(focus1.x));
params.push_back(new double(focus1.y));
double *f1X = params[params.size()-2];
double *f1Y = params[params.size()-1];
// add the radius parameters
params.push_back(new double(radmin));
double *rmin = params[params.size()-1];
// set the ellipse for later constraints
GCS::Ellipse e;
e.focus1X = f1X;
e.focus1Y = f1Y;
e.center = c;
e.radmin = rmin;
def.index = Ellipses.size();
Ellipses.push_back(e);
// store complete set
Geoms.push_back(def);
// return the position of the newly added geometry
return Geoms.size()-1;
}
std::vector<Part::Geometry *> Sketch::extractGeometry(bool withConstrucionElements,
bool withExternalElements) const
{
std::vector<Part::Geometry *> temp;
temp.reserve(Geoms.size());
for (std::vector<GeoDef>::const_iterator it=Geoms.begin(); it != Geoms.end(); ++it)
if ((!it->external || withExternalElements) && (!it->geo->Construction || withConstrucionElements))
temp.push_back(it->geo->clone());
return temp;
}
Py::Tuple Sketch::getPyGeometry(void) const
{
Py::Tuple tuple(Geoms.size());
int i=0;
for (std::vector<GeoDef>::const_iterator it=Geoms.begin(); it != Geoms.end(); ++it, i++) {
if (it->type == Point) {
Base::Vector3d temp(*(Points[it->startPointId].x),*(Points[it->startPointId].y),0);
tuple[i] = Py::asObject(new VectorPy(temp));
} else if (it->type == Line) {
GeomLineSegment *lineSeg = dynamic_cast<GeomLineSegment*>(it->geo->clone());
tuple[i] = Py::asObject(new LinePy(lineSeg));
} else if (it->type == Arc) {
GeomArcOfCircle *aoc = dynamic_cast<GeomArcOfCircle*>(it->geo->clone());
tuple[i] = Py::asObject(new ArcOfCirclePy(aoc));
} else if (it->type == Circle) {
GeomCircle *circle = dynamic_cast<GeomCircle*>(it->geo->clone());
tuple[i] = Py::asObject(new CirclePy(circle));
} else if (it->type == Ellipse) {
GeomEllipse *ellipse = dynamic_cast<GeomEllipse*>(it->geo->clone());
tuple[i] = Py::asObject(new EllipsePy(ellipse));
} else if (it->type == ArcOfEllipse) {
GeomArcOfEllipse *ellipse = dynamic_cast<GeomArcOfEllipse*>(it->geo->clone());
tuple[i] = Py::asObject(new ArcOfEllipsePy(ellipse));
}
else {
// not implemented type in the sketch!
}
}
return tuple;
}
int Sketch::checkGeoId(int geoId)
{
if (geoId < 0)
geoId += Geoms.size();
assert(geoId >= 0 && geoId < int(Geoms.size()));
return geoId;
}
// constraint adding ==========================================================
int Sketch::addConstraint(const Constraint *constraint)
{
// constraints on nothing makes no sense
assert(int(Geoms.size()) > 0);
int rtn = -1;
switch (constraint->Type) {
case DistanceX:
if (constraint->FirstPos == none) // horizontal length of a line
rtn = addDistanceXConstraint(constraint->First,constraint->Value);
else if (constraint->Second == Constraint::GeoUndef) // point on fixed x-coordinate
rtn = addCoordinateXConstraint(constraint->First,constraint->FirstPos,constraint->Value);
else if (constraint->SecondPos != none) // point to point horizontal distance
rtn = addDistanceXConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos,constraint->Value);
break;
case DistanceY:
if (constraint->FirstPos == none) // vertical length of a line
rtn = addDistanceYConstraint(constraint->First,constraint->Value);
else if (constraint->Second == Constraint::GeoUndef) // point on fixed y-coordinate
rtn = addCoordinateYConstraint(constraint->First,constraint->FirstPos,constraint->Value);
else if (constraint->SecondPos != none) // point to point vertical distance
rtn = addDistanceYConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos,constraint->Value);
break;
case Horizontal:
if (constraint->Second == Constraint::GeoUndef) // horizontal line
rtn = addHorizontalConstraint(constraint->First);
else // two points on the same horizontal line
rtn = addHorizontalConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos);
break;
case Vertical:
if (constraint->Second == Constraint::GeoUndef) // vertical line
rtn = addVerticalConstraint(constraint->First);
else // two points on the same vertical line
rtn = addVerticalConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos);
break;
case Coincident:
rtn = addPointCoincidentConstraint(constraint->First,constraint->FirstPos,constraint->Second,constraint->SecondPos);
break;
case PointOnObject:
rtn = addPointOnObjectConstraint(constraint->First,constraint->FirstPos, constraint->Second);
break;
case Parallel:
rtn = addParallelConstraint(constraint->First,constraint->Second);
break;
case Perpendicular:
if (constraint->SecondPos != none) // perpendicularity at common point
rtn = addPerpendicularConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos);
else if (constraint->Second != Constraint::GeoUndef) {
if (constraint->FirstPos != none) // "First" is a connecting point
rtn = addPerpendicularConstraint(constraint->First,constraint->FirstPos,
constraint->Second);
else // simple perpendicularity
rtn = addPerpendicularConstraint(constraint->First,constraint->Second);
}
break;
case Tangent:
if (constraint->SecondPos != none) // tangency at common point
rtn = addTangentConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos);
else if (constraint->Second != Constraint::GeoUndef) {
if (constraint->FirstPos != none) // "First" is a tangency point
rtn = addTangentConstraint(constraint->First,constraint->FirstPos,
constraint->Second);
else // simple tangency
rtn = addTangentConstraint(constraint->First,constraint->Second);
}
break;
case Distance:
if (constraint->SecondPos != none) // point to point distance
rtn = addDistanceConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos,
constraint->Value);
else if (constraint->Second != Constraint::GeoUndef) {
if (constraint->FirstPos != none) // point to line distance
rtn = addDistanceConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->Value);
else // line to line distance (not implemented yet)
rtn = addDistanceConstraint(constraint->First,constraint->Second,constraint->Value);
}
else // line length
rtn = addDistanceConstraint(constraint->First,constraint->Value);
break;
case Angle:
if (constraint->SecondPos != none) // angle between two lines (with explicit start points)
rtn = addAngleConstraint(constraint->First,constraint->FirstPos,
constraint->Second,constraint->SecondPos,constraint->Value);
else if (constraint->Second != Constraint::GeoUndef) // angle between two lines
rtn = addAngleConstraint(constraint->First,constraint->Second,constraint->Value);
else if (constraint->First != Constraint::GeoUndef) // orientation angle of a line
rtn = addAngleConstraint(constraint->First,constraint->Value);
break;
case Radius:
rtn = addRadiusConstraint(constraint->First, constraint->Value);
break;
case Equal:
rtn = addEqualConstraint(constraint->First,constraint->Second);
break;
case Symmetric:
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 InternalAlignment:
switch(constraint->AlignmentType) {
case EllipseMajorDiameter:
rtn = addInternalAlignmentEllipseMajorDiameter(constraint->First,constraint->Second);
break;
case EllipseMinorDiameter:
rtn = addInternalAlignmentEllipseMinorDiameter(constraint->First,constraint->Second);
break;
case EllipseFocus1:
rtn = addInternalAlignmentEllipseFocus1(constraint->First,constraint->Second);
break;
case EllipseFocus2:
rtn = addInternalAlignmentEllipseFocus2(constraint->First,constraint->Second);
break;
}
break;
case None:
break;
}
return rtn;
}
int Sketch::addConstraints(const std::vector<Constraint *> &ConstraintList)
{
// constraints on nothing makes no sense
assert(!Geoms.empty() || ConstraintList.empty());
int rtn = -1;
for (std::vector<Constraint *>::const_iterator it = ConstraintList.begin();it!=ConstraintList.end();++it)
rtn = addConstraint (*it);
return rtn;
}
int Sketch::addCoordinateXConstraint(int geoId, PointPos pos, double value)
{
geoId = checkGeoId(geoId);
int pointId = getPointId(geoId, pos);
if (pointId >= 0 && pointId < int(Points.size())) {
double *val = new double(value);
FixParameters.push_back(val);
GCS::Point &p = Points[pointId];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintCoordinateX(p, val, tag);
return ConstraintsCounter;
}
return -1;
}
int Sketch::addCoordinateYConstraint(int geoId, PointPos pos, double value)
{
geoId = checkGeoId(geoId);
int pointId = getPointId(geoId, pos);
if (pointId >= 0 && pointId < int(Points.size())) {
double *val = new double(value);
FixParameters.push_back(val);
GCS::Point &p = Points[pointId];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintCoordinateY(p, val, tag);
return ConstraintsCounter;
}
return -1;
}
int Sketch::addDistanceXConstraint(int geoId, double value)
{
geoId = checkGeoId(geoId);
if (Geoms[geoId].type != Line)
return -1;
GCS::Line &l = Lines[Geoms[geoId].index];
FixParameters.push_back(new double(value));
double *diff = FixParameters[FixParameters.size()-1];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintDifference(l.p1.x, l.p2.x, diff, tag);
return ConstraintsCounter;
}
int Sketch::addDistanceYConstraint(int geoId, double value)
{
geoId = checkGeoId(geoId);
if (Geoms[geoId].type != Line)
return -1;
GCS::Line &l = Lines[Geoms[geoId].index];
FixParameters.push_back(new double(value));
double *diff = FixParameters[FixParameters.size()-1];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintDifference(l.p1.y, l.p2.y, diff, tag);
return ConstraintsCounter;
}
int Sketch::addDistanceXConstraint(int geoId1, PointPos pos1, int geoId2, PointPos pos2, double value)
{
geoId1 = checkGeoId(geoId1);
geoId2 = checkGeoId(geoId2);
int pointId1 = getPointId(geoId1, pos1);
int pointId2 = getPointId(geoId2, pos2);
if (pointId1 >= 0 && pointId1 < int(Points.size()) &&
pointId2 >= 0 && pointId2 < int(Points.size())) {
GCS::Point &p1 = Points[pointId1];
GCS::Point &p2 = Points[pointId2];
FixParameters.push_back(new double(value));
double *difference = FixParameters[FixParameters.size()-1];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintDifference(p1.x, p2.x, difference, tag);
return ConstraintsCounter;
}
return -1;
}
int Sketch::addDistanceYConstraint(int geoId1, PointPos pos1, int geoId2, PointPos pos2, double value)
{
geoId1 = checkGeoId(geoId1);
geoId2 = checkGeoId(geoId2);
int pointId1 = getPointId(geoId1, pos1);
int pointId2 = getPointId(geoId2, pos2);
if (pointId1 >= 0 && pointId1 < int(Points.size()) &&
pointId2 >= 0 && pointId2 < int(Points.size())) {
GCS::Point &p1 = Points[pointId1];
GCS::Point &p2 = Points[pointId2];
FixParameters.push_back(new double(value));
double *difference = FixParameters[FixParameters.size()-1];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintDifference(p1.y, p2.y, difference, tag);
return ConstraintsCounter;
}
return -1;
}
// horizontal line constraint
int Sketch::addHorizontalConstraint(int geoId)
{
geoId = checkGeoId(geoId);
if (Geoms[geoId].type != Line)
return -1;
GCS::Line &l = Lines[Geoms[geoId].index];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintHorizontal(l, tag);
return ConstraintsCounter;
}
// two points on a horizontal line constraint
int Sketch::addHorizontalConstraint(int geoId1, PointPos pos1, int geoId2, PointPos pos2)
{
geoId1 = checkGeoId(geoId1);
geoId2 = checkGeoId(geoId2);
int pointId1 = getPointId(geoId1, pos1);
int pointId2 = getPointId(geoId2, pos2);
if (pointId1 >= 0 && pointId1 < int(Points.size()) &&
pointId2 >= 0 && pointId2 < int(Points.size())) {
GCS::Point &p1 = Points[pointId1];
GCS::Point &p2 = Points[pointId2];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintHorizontal(p1, p2, tag);
return ConstraintsCounter;
}
return -1;
}
// vertical line constraint
int Sketch::addVerticalConstraint(int geoId)
{
geoId = checkGeoId(geoId);
if (Geoms[geoId].type != Line)
return -1;
GCS::Line &l = Lines[Geoms[geoId].index];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintVertical(l, tag);
return ConstraintsCounter;
}
// two points on a vertical line constraint
int Sketch::addVerticalConstraint(int geoId1, PointPos pos1, int geoId2, PointPos pos2)
{
geoId1 = checkGeoId(geoId1);
geoId2 = checkGeoId(geoId2);
int pointId1 = getPointId(geoId1, pos1);
int pointId2 = getPointId(geoId2, pos2);
if (pointId1 >= 0 && pointId1 < int(Points.size()) &&
pointId2 >= 0 && pointId2 < int(Points.size())) {
GCS::Point &p1 = Points[pointId1];
GCS::Point &p2 = Points[pointId2];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintVertical(p1, p2, tag);
return ConstraintsCounter;
}
return -1;
}
int Sketch::addPointCoincidentConstraint(int geoId1, PointPos pos1, int geoId2, PointPos pos2)
{
geoId1 = checkGeoId(geoId1);
geoId2 = checkGeoId(geoId2);
int pointId1 = getPointId(geoId1, pos1);
int pointId2 = getPointId(geoId2, pos2);
if (pointId1 >= 0 && pointId1 < int(Points.size()) &&
pointId2 >= 0 && pointId2 < int(Points.size())) {
GCS::Point &p1 = Points[pointId1];
GCS::Point &p2 = Points[pointId2];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintP2PCoincident(p1, p2, tag);
return ConstraintsCounter;
}
return -1;
}
int Sketch::addParallelConstraint(int geoId1, int geoId2)
{
geoId1 = checkGeoId(geoId1);
geoId2 = checkGeoId(geoId2);
if (Geoms[geoId1].type != Line ||
Geoms[geoId2].type != Line)
return -1;
GCS::Line &l1 = Lines[Geoms[geoId1].index];
GCS::Line &l2 = Lines[Geoms[geoId2].index];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintParallel(l1, l2, tag);
return ConstraintsCounter;
}
// simple perpendicularity constraint
int Sketch::addPerpendicularConstraint(int geoId1, int geoId2)
{
// accepts the following combinations:
// 1) Line1, Line2/Circle2/Arc2
// 2) Circle1, Line2 (converted to case #1)
// 3) Arc1, Line2 (converted to case #1)
geoId1 = checkGeoId(geoId1);
geoId2 = checkGeoId(geoId2);
if (Geoms[geoId2].type == Line) {
if (Geoms[geoId1].type == Line) {
GCS::Line &l1 = Lines[Geoms[geoId1].index];
GCS::Line &l2 = Lines[Geoms[geoId2].index];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintPerpendicular(l1, l2, tag);
return ConstraintsCounter;
}
else
std::swap(geoId1, geoId2);
}
if (Geoms[geoId1].type == Line) {
GCS::Line &l1 = Lines[Geoms[geoId1].index];
if (Geoms[geoId2].type == Arc || Geoms[geoId2].type == Circle) {
GCS::Point &p2 = Points[Geoms[geoId2].midPointId];
int tag = ++ConstraintsCounter;
GCSsys.addConstraintPointOnLine(p2, l1, tag);
return ConstraintsCounter;
}
}
Base::Console().Warning("Perpendicular constraints between %s and %s are not supported.\n",
nameByType(Geoms[geoId1].type), nameByType(Geoms[geoId2].type));
return -1;
}