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Sketch.cpp
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Sketch.cpp
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/***************************************************************************
* Copyright (c) 2010 Jürgen Riegel <juergen.riegel@web.de> *
* *
* 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>
# include <Standard_Version.hxx>
# include <TopoDS.hxx>
# include <TopoDS_Edge.hxx>
# include <BRepBuilderAPI_MakeWire.hxx>
# include <cmath>
# include <iostream>
#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/HyperbolaPy.h>
#include <Mod/Part/App/ArcOfHyperbolaPy.h>
#include <Mod/Part/App/ParabolaPy.h>
#include <Mod/Part/App/ArcOfParabolaPy.h>
#include <Mod/Part/App/LineSegmentPy.h>
#include <Mod/Part/App/BSplineCurvePy.h>
#include "Constraint.h"
#include "GeometryFacade.h"
#include "SolverGeometryExtension.h"
#include "Sketch.h"
//#define DEBUG_BLOCK_CONSTRAINT
#undef DEBUG_BLOCK_CONSTRAINT
using namespace Sketcher;
using namespace Base;
using namespace Part;
TYPESYSTEM_SOURCE(Sketcher::Sketch, Base::Persistence)
Sketch::Sketch()
: SolveTime(0)
, RecalculateInitialSolutionWhileMovingPoint(false)
, resolveAfterGeometryUpdated(false)
, GCSsys(), ConstraintsCounter(0)
, isInitMove(false), isFine(true), moveStep(0)
, defaultSolver(GCS::DogLeg)
, defaultSolverRedundant(GCS::DogLeg)
, debugMode(GCS::Minimal)
{
}
Sketch::~Sketch()
{
clear();
}
void Sketch::clear(void)
{
// clear all internal data sets
Points.clear();
Lines.clear();
Arcs.clear();
Circles.clear();
Ellipses.clear();
ArcsOfEllipse.clear();
ArcsOfHyperbola.clear();
ArcsOfParabola.clear();
BSplines.clear();
resolveAfterGeometryUpdated = false;
// deleting the doubles allocated with new
for (std::vector<double*>::iterator it = Parameters.begin(); it != Parameters.end(); ++it)
if (*it) delete *it;
Parameters.clear();
DrivenParameters.clear();
for (std::vector<double*>::iterator it = FixParameters.begin(); it != FixParameters.end(); ++it)
if (*it) delete *it;
FixParameters.clear();
param2geoelement.clear();
pDependencyGroups.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();
// deleting the non-Driving constraints copied into this sketch
//for (std::vector<Constraint *>::iterator it = NonDrivingConstraints.begin(); it != NonDrivingConstraints.end(); ++it)
// if (*it) delete *it;
Constrs.clear();
GCSsys.clear();
isInitMove = false;
ConstraintsCounter = 0;
Conflicting.clear();
Redundant.clear();
PartiallyRedundant.clear();
MalformedConstraints.clear();
}
bool Sketch::analyseBlockedGeometry( const std::vector<Part::Geometry *> &internalGeoList,
const std::vector<Constraint *> &constraintList,
std::vector<bool> &onlyblockedGeometry,
std::vector<int> &blockedGeoIds) const
{
// To understand this function read the documentation in Sketch.h
// It is important that "onlyblockedGeometry" ONLY identifies blocked geometry
// that is not affected by any other driving constraint
bool doesBlockAffectOtherConstraints = false;
int geoindex = 0;
for(auto g : internalGeoList) {
if(GeometryFacade::getBlocked(g)) {
// is it only affected by one constraint, the block constraint (and this is driving), or by any other driving constraint ?
bool blockOnly = true;
bool blockisDriving = false;
for(auto c : constraintList) {
// is block driving
if( c->Type == Sketcher::Block && c->isDriving && c->First == geoindex)
blockisDriving = true;
// We have another driving constraint (which may be InternalAlignment)
if( c->Type != Sketcher::Block && c->isDriving &&
(c->First == geoindex || c->Second == geoindex || c->Third == geoindex) )
blockOnly = false;
}
if(blockisDriving) {
if(blockOnly) {
onlyblockedGeometry[geoindex] = true; // we pre-fix this geometry
}
else {
// we will have to pos-analyse the first diagnose result for these geometries
// in order to avoid redundant constraints
doesBlockAffectOtherConstraints = true;
blockedGeoIds.push_back(geoindex);
}
}
}
geoindex++;
}
return doesBlockAffectOtherConstraints;
}
int Sketch::setUpSketch(const std::vector<Part::Geometry *> &GeoList,
const std::vector<Constraint *> &ConstraintList,
int extGeoCount)
{
Base::TimeInfo start_time;
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]);
std::vector<bool> onlyBlockedGeometry(intGeoList.size(),false); // these geometries are blocked, frozen and sent as fixed parameters to the solver
std::vector<bool> unenforceableConstraints(ConstraintList.size(),false); // these constraints are unenforceable due to a Blocked constraint
/* This implements the old block constraint. I have decided not to remove it at this time while the new is tested, just in case the change
* needs to be reverted */
/*if(!intGeoList.empty())
getBlockedGeometry(blockedGeometry, unenforceableConstraints, ConstraintList);*/
// Pre-analysis of blocked geometry (new block constraint) to fix geometry only affected by a block constraint (see comment in Sketch.h)
std::vector<int> blockedGeoIds;
bool doesBlockAffectOtherConstraints = analyseBlockedGeometry( intGeoList,
ConstraintList,
onlyBlockedGeometry,
blockedGeoIds);
#ifdef DEBUG_BLOCK_CONSTRAINT
if(doesBlockAffectOtherConstraints)
Base::Console().Log("\n Block interferes with other constraints: Post-analysis required");
Base::Console().Log("\nOnlyBlocked GeoIds:");
size_t i = 0;
bool found = false;
for(; i < onlyBlockedGeometry.size(); i++) {
if(onlyBlockedGeometry[i]) {
Base::Console().Log("\n GeoId=%d", i);
found = true;
}
}
if(found)
Base::Console().Log("\n None");
Base::Console().Log("\nNotOnlyBlocked GeoIds:");
i = 0;
for(; i < blockedGeoIds.size(); i++)
Base::Console().Log("\n GeoId=%d", blockedGeoIds[i]);
if(i == 0)
Base::Console().Log("\n None");
Base::Console().Log("\n");
#endif //DEBUG_BLOCK_CONSTRAINT
addGeometry(intGeoList,onlyBlockedGeometry);
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,unenforceableConstraints);
}
clearTemporaryConstraints();
GCSsys.declareUnknowns(Parameters);
GCSsys.declareDrivenParams(DrivenParameters);
GCSsys.initSolution(defaultSolverRedundant);
// Post-analysis
// Now that we have all the parameters information, we deal properly with the block constraints if necessary
if(doesBlockAffectOtherConstraints) {
std::vector<double *> params_to_block;
bool unsatisfied_groups = analyseBlockedConstraintDependentParameters(blockedGeoIds, params_to_block);
// I am unsure if more than one QR iterations are needed with the current implementation.
//
// With previous implementations mostly one QR iteration was enough, but if block constraint is abused, more
// iterations were needed.
int index = 0;
while(unsatisfied_groups) {
// We tried hard not to arrive to an unsatisfied group, so we try harder
// This loop has the advantage that the user will notice increased effort to solve,
// so they may understand that they are abusing the block constraint, while guaranteeing that wrong
// behaviour of the block constraint is not undetected.
// Another QR iteration
fixParametersAndDiagnose(params_to_block);
unsatisfied_groups = analyseBlockedConstraintDependentParameters(blockedGeoIds,params_to_block);
if (debugMode==GCS::IterationLevel) {
Base::Console().Log("Sketcher::setUpSketch()-BlockConstraint-PostAnalysis:%d\n",index);
}
index++;
}
// 2. If something needs blocking, block-it
fixParametersAndDiagnose(params_to_block);
#ifdef DEBUG_BLOCK_CONSTRAINT
if(params_to_block.size() > 0) {
std::vector < std::vector < double*>> groups;
GCSsys.getDependentParamsGroups(groups);
// Debug code block
for(size_t i = 0; i < groups.size(); i++) {
Base::Console().Log("\nDepParams: Group %d:",i);
for(size_t j = 0; j < groups[i].size(); j++)
Base::Console().Log("\n Param=%x ,GeoId=%d, GeoPos=%d",
param2geoelement.find(*std::next(groups[i].begin(), j))->first,
param2geoelement.find(*std::next(groups[i].begin(), j))->second.first,
param2geoelement.find(*std::next(groups[i].begin(), j))->second.second);
}
}
#endif //DEBUG_BLOCK_CONSTRAINT
}
// Now we set the Sketch status with the latest solver information
GCSsys.getConflicting(Conflicting);
GCSsys.getRedundant(Redundant);
GCSsys.getPartiallyRedundant (PartiallyRedundant);
GCSsys.getDependentParams(pDependentParametersList);
calculateDependentParametersElements();
if (debugMode==GCS::Minimal || debugMode==GCS::IterationLevel) {
Base::TimeInfo end_time;
Base::Console().Log("Sketcher::setUpSketch()-T:%s\n",Base::TimeInfo::diffTime(start_time,end_time).c_str());
}
return GCSsys.dofsNumber();
}
void Sketch::fixParametersAndDiagnose(std::vector<double *> ¶ms_to_block)
{
if(params_to_block.size() > 0) { // only there are parameters to fix
for( auto p : params_to_block ) {
auto findparam = std::find(Parameters.begin(),Parameters.end(), p);
if(findparam != Parameters.end()) {
FixParameters.push_back(*findparam);
Parameters.erase(findparam);
}
}
pDependencyGroups.clear();
clearTemporaryConstraints();
GCSsys.invalidatedDiagnosis();
GCSsys.declareUnknowns(Parameters);
GCSsys.declareDrivenParams(DrivenParameters);
GCSsys.initSolution(defaultSolverRedundant);
/*GCSsys.getConflicting(Conflicting);
GCSsys.getRedundant(Redundant);
GCSsys.getPartlyRedundant(PartiallyRedundant);
GCSsys.getDependentParams(pDependentParametersList);
calculateDependentParametersElements();*/
}
}
bool Sketch::analyseBlockedConstraintDependentParameters(std::vector<int> &blockedGeoIds, std::vector<double *> ¶ms_to_block) const
{
// 1. Retrieve solver information
std::vector < std::vector < double*>> groups;
GCSsys.getDependentParamsGroups(groups);
// 2. Determine blockable parameters for each group (see documentation in header file).
struct group {
std::vector<double *> blockable_params_in_group;
double * blocking_param_in_group = nullptr;
};
std::vector<group> prop_groups(groups.size());
#ifdef DEBUG_BLOCK_CONSTRAINT
for(size_t i = 0; i < groups.size(); i++) {
Base::Console().Log("\nDepParams: Group %d:",i);
for(size_t j = 0; j < groups[i].size(); j++)
Base::Console().Log("\n Param=%x ,GeoId=%d, GeoPos=%d",
param2geoelement.find(*std::next(groups[i].begin(), j))->first,
param2geoelement.find(*std::next(groups[i].begin(), j))->second.first,
param2geoelement.find(*std::next(groups[i].begin(), j))->second.second);
}
#endif //DEBUG_BLOCK_CONSTRAINT
for(size_t i = 0; i < groups.size(); i++) {
for(size_t j = 0; j < groups[i].size(); j++) {
double * thisparam = *std::next(groups[i].begin(), j);
auto element = param2geoelement.find(thisparam);
if (element != param2geoelement.end()) {
auto blockable = std::find(blockedGeoIds.begin(),blockedGeoIds.end(),element->second.first);
if( blockable != blockedGeoIds.end()) {
// This dependent parameter group contains at least one parameter that should be blocked, so added to the blockable list.
prop_groups[i].blockable_params_in_group.push_back(thisparam);
}
}
}
}
// 3. Apply heuristic - pick the last blockable param available to block the group, starting from the last group
for(size_t i = prop_groups.size(); i--> 0;) {
for(size_t j = prop_groups[i].blockable_params_in_group.size(); j-->0; ) {
// check if parameter is already satisfying one group
double * thisparam = prop_groups[i].blockable_params_in_group[j];
auto pos = std::find(params_to_block.begin(), params_to_block.end(), thisparam);
if( pos == params_to_block.end()) { // not found, so add
params_to_block.push_back(thisparam);
prop_groups[i].blocking_param_in_group = thisparam;
#ifdef DEBUG_BLOCK_CONSTRAINT
Base::Console().Log("\nTentatively blocking group %d, with param=%x", i, thisparam);
#endif //DEBUG_BLOCK_CONSTRAINT
break;
}
}
}
// 4. Check if groups are satisfied or are licitly unsatisfiable and thus deemed as satisfied
bool unsatisfied_groups = false;
for(size_t i = 0; i < prop_groups.size(); i++) {
// 4.1. unsatisfiable group
if(prop_groups[i].blockable_params_in_group.size() == 0) {
// this group does not contain any blockable parameter, so it is by definition satisfied (or impossible to satisfy by block constraints)
continue;
}
// 4.2. satisfiable and not satisfied
if(prop_groups[i].blocking_param_in_group == nullptr) {
unsatisfied_groups = true;
}
}
return unsatisfied_groups;
}
void Sketch::clearTemporaryConstraints(void)
{
GCSsys.clearByTag(GCS::DefaultTemporaryConstraint);
}
void Sketch::calculateDependentParametersElements(void)
{
// initialize solve extensions to a know state
for(auto geo : Geoms) {
if(!geo.geo->hasExtension(Sketcher::SolverGeometryExtension::getClassTypeId()))
geo.geo->setExtension(std::make_unique<Sketcher::SolverGeometryExtension>());
auto solvext = std::static_pointer_cast<Sketcher::SolverGeometryExtension>(
geo.geo->getExtension(Sketcher::SolverGeometryExtension::getClassTypeId()).lock());
if(GCSsys.isEmptyDiagnoseMatrix())
solvext->init(SolverGeometryExtension::Dependent);
else
solvext->init(SolverGeometryExtension::Independent);
}
for(auto param : pDependentParametersList) {
//auto element = param2geoelement.at(param);
auto element = param2geoelement.find(param);
if (element != param2geoelement.end()) {
auto solvext = std::static_pointer_cast<Sketcher::SolverGeometryExtension>(
Geoms[element->second.first].geo->getExtension(Sketcher::SolverGeometryExtension::getClassTypeId()).lock());
switch(element->second.second) {
case PointPos::none:
solvext->setEdge(SolverGeometryExtension::Dependent);
break;
case PointPos::start:
solvext->setStart(SolverGeometryExtension::Dependent);
break;
case PointPos::end:
solvext->setEnd(SolverGeometryExtension::Dependent);
break;
case PointPos::mid:
solvext->setMid(SolverGeometryExtension::Dependent);
break;
}
}
}
std::vector < std::vector < double*>> groups;
GCSsys.getDependentParamsGroups(groups);
pDependencyGroups.resize(groups.size());
// translate parameters into elements (Geoid, PointPos)
for(size_t i = 0; i < groups.size(); i++) {
for(size_t j = 0; j < groups[i].size(); j++) {
auto element = param2geoelement.find(groups[i][j]);
if (element != param2geoelement.end()) {
pDependencyGroups[i].insert(element->second);
}
}
}
// check if groups have a common element, if yes merge the groups
auto havecommonelement = [] ( std::set < std::pair< int, Sketcher::PointPos>>::iterator begin1,
std::set < std::pair< int, Sketcher::PointPos>>::iterator end1,
std::set < std::pair< int, Sketcher::PointPos>>::iterator begin2,
std::set < std::pair< int, Sketcher::PointPos>>::iterator end2) {
while (begin1 != end1 && begin2 != end2) {
if (*begin1 < *begin2)
++begin1;
else if (*begin2 < *begin1)
++begin2;
else
return true;
}
return false;
};
if(pDependencyGroups.size() > 1) { // only if there is more than 1 group
size_t endcount = pDependencyGroups.size()-1;
for(size_t i=0; i < endcount; i++) {
if(havecommonelement(pDependencyGroups[i].begin(), pDependencyGroups[i].end(), pDependencyGroups[i+1].begin(), pDependencyGroups[i+1].end())){
pDependencyGroups[i].insert(pDependencyGroups[i+1].begin(), pDependencyGroups[i+1].end());
pDependencyGroups.erase(pDependencyGroups.begin()+i+1);
endcount--;
}
}
}
}
std::set < std::pair< int, Sketcher::PointPos>> Sketch::getDependencyGroup(int geoId, PointPos pos) const
{
geoId = checkGeoId(geoId);
std::set < std::pair< int, Sketcher::PointPos>> group;
auto key = std::make_pair(geoId, pos);
for( auto & set : pDependencyGroups) {
if (set.find(key) != set.end()) {
group = set;
break;
}
}
return group;
}
int Sketch::resetSolver()
{
clearTemporaryConstraints();
GCSsys.declareUnknowns(Parameters);
GCSsys.declareDrivenParams(DrivenParameters);
GCSsys.initSolution(defaultSolverRedundant);
GCSsys.getConflicting(Conflicting);
GCSsys.getRedundant(Redundant);
GCSsys.getPartiallyRedundant (PartiallyRedundant);
GCSsys.getDependentParams(pDependentParametersList);
calculateDependentParametersElements();
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::ArcOfHyperbola:
return "arcofhyperbola";
case Sketch::ArcOfParabola:
return "arcofparabola";
case Sketch::BSpline:
return "bspline";
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 = static_cast<const GeomPoint*>(geo);
auto pointf = GeometryFacade::getFacade(point);
// create the definition struct for that geom
if( pointf->getInternalType() == InternalType::BSplineKnotPoint ) {
return addPoint(*point, true);
}
else {
return addPoint(*point, fixed);
}
} else if (geo->getTypeId() == GeomLineSegment::getClassTypeId()) { // add a line
const GeomLineSegment *lineSeg = static_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 = static_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 = static_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 = static_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 = static_cast<const GeomArcOfEllipse*>(geo);
// create the definition struct for that geom
return addArcOfEllipse(*aoe, fixed);
} else if (geo->getTypeId() == GeomArcOfHyperbola::getClassTypeId()) { // add an arc of hyperbola
const GeomArcOfHyperbola *aoh = static_cast<const GeomArcOfHyperbola*>(geo);
// create the definition struct for that geom
return addArcOfHyperbola(*aoh, fixed);
} else if (geo->getTypeId() == GeomArcOfParabola::getClassTypeId()) { // add an arc of parabola
const GeomArcOfParabola *aop = static_cast<const GeomArcOfParabola*>(geo);
// create the definition struct for that geom
return addArcOfParabola(*aop, fixed);
} else if (geo->getTypeId() == GeomBSplineCurve::getClassTypeId()) { // add a bspline
const GeomBSplineCurve *bsp = static_cast<const GeomBSplineCurve*>(geo);
// Current B-Spline implementation relies on OCCT calculations, so a second solve
// is necessary to update actual solver implementation to account for changes in B-Spline geometry
resolveAfterGeometryUpdated = true;
return addBSpline(*bsp, fixed);
}
else {
throw Base::TypeError("Sketch::addGeometry(): Unknown or unsupported type added to a sketch");
}
}
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::addGeometry(const std::vector<Part::Geometry *> &geo,
const std::vector<bool> &blockedGeometry)
{
assert(geo.size() == blockedGeometry.size());
int ret = -1;
std::vector<Part::Geometry *>::const_iterator it;
std::vector<bool>::const_iterator bit;
for (it=geo.begin(),bit=blockedGeometry.begin(); it != geo.end() && bit !=blockedGeometry.end(); ++it,++bit)
ret = addGeometry(*it, *bit);
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());
// 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);
if(!fixed) {
param2geoelement.emplace( std::piecewise_construct, std::forward_as_tuple(p1.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::start));
param2geoelement.emplace( std::piecewise_construct, std::forward_as_tuple(p1.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::start));
}
// 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);
if(!fixed) {
param2geoelement.emplace( std::piecewise_construct, std::forward_as_tuple(p1.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::start));
param2geoelement.emplace( std::piecewise_construct, std::forward_as_tuple(p1.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::start));
param2geoelement.emplace( std::piecewise_construct, std::forward_as_tuple(p2.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::end));
param2geoelement.emplace( std::piecewise_construct, std::forward_as_tuple(p2.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::end));
}
// 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(/*emulateCCW=*/true);
Base::Vector3d endPnt = aoc->getEndPoint(/*emulateCCW=*/true);
double radius = aoc->getRadius();
double startAngle, endAngle;
aoc->getRange(startAngle, endAngle, /*emulateCCW=*/true);
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);
if(!fixed) {
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p1.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::start));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p1.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::start));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p2.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::end));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p2.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::end));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p3.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::mid));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p3.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::mid));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(r), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::none));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(a1), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::none));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(a2), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::none));
}
// 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(/*emulateCCW=*/true);
Base::Vector3d endPnt = aoe->getEndPoint(/*emulateCCW=*/true);
double radmaj = aoe->getMajorRadius();
double radmin = aoe->getMinorRadius();
Base::Vector3d radmajdir = aoe->getMajorAxisDir();
double dist_C_F = sqrt(radmaj*radmaj-radmin*radmin);
// solver parameters
Base::Vector3d focus1 = center + dist_C_F*radmajdir;
double startAngle, endAngle;
aoe->getRange(startAngle, endAngle, /*emulateCCW=*/true);
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.focus1.x = f1X;
a.focus1.y = 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);
if(!fixed) {
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p1.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::start));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p1.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::start));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p2.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::end));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p2.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::end));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p3.x), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::mid));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(p3.y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::mid));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(f1X), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::none));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(f1Y), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::none));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(rmin), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::none));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(a1), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::none));
param2geoelement.emplace(std::piecewise_construct, std::forward_as_tuple(a2), std::forward_as_tuple(Geoms.size()-1, Sketcher::PointPos::none));
}
// return the position of the newly added geometry
return Geoms.size()-1;
}
int Sketch::addArcOfHyperbola(const Part::GeomArcOfHyperbola &hyperbolaSegment, bool fixed)
{
std::vector<double *> ¶ms = fixed ? FixParameters : Parameters;
// create our own copy
GeomArcOfHyperbola *aoh = static_cast<GeomArcOfHyperbola*>(hyperbolaSegment.clone());
// create the definition struct for that geom
GeoDef def;
def.geo = aoh;
def.type = ArcOfHyperbola;
Base::Vector3d center = aoh->getCenter();
Base::Vector3d startPnt = aoh->getStartPoint();
Base::Vector3d endPnt = aoh->getEndPoint();
double radmaj = aoh->getMajorRadius();
double radmin = aoh->getMinorRadius();
Base::Vector3d radmajdir = aoh->getMajorAxisDir();
double dist_C_F = sqrt(radmaj*radmaj+radmin*radmin);
// solver parameters
Base::Vector3d focus1 = center+dist_C_F*radmajdir; //+x
double startAngle, endAngle;
aoh->getRange(startAngle, endAngle,/*emulateCCW=*/true);
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);
// add the radius parameters
params.push_back(new double(radmin));
double *rmin = params[params.size()-1];