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Sketch.cpp
4990 lines (4290 loc) · 185 KB
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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 <cmath>
#include <iostream>
#include <BRepBuilderAPI_MakeWire.hxx>
#include <BRep_Builder.hxx>
#include <Precision.hxx>
#include <ShapeFix_Wire.hxx>
#include <Standard_Version.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Edge.hxx>
#endif
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Reader.h>
#include <Base/TimeInfo.h>
#include <Base/VectorPy.h>
#include <Base/Writer.h>
#include <Mod/Part/App/ArcOfCirclePy.h>
#include <Mod/Part/App/ArcOfEllipsePy.h>
#include <Mod/Part/App/ArcOfHyperbolaPy.h>
#include <Mod/Part/App/ArcOfParabolaPy.h>
#include <Mod/Part/App/BSplineCurvePy.h>
#include <Mod/Part/App/CirclePy.h>
#include <Mod/Part/App/EllipsePy.h>
#include <Mod/Part/App/HyperbolaPy.h>
#include <Mod/Part/App/LineSegmentPy.h>
#include <Mod/Part/App/ParabolaPy.h>
#include "Constraint.h"
#include "GeometryFacade.h"
#include "Sketch.h"
#include "SolverGeometryExtension.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()
{
// 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();
solverExtensions.clear();
internalAlignmentGeometryMap.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]);
// these geometries are blocked, frozen and sent as fixed parameters to the solver
std::vector<bool> onlyBlockedGeometry(intGeoList.size(), false);
// these constraints are unenforceable due to a Blocked constraint
std::vector<bool> unenforceableConstraints(ConstraintList.size(), false);
/* 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
buildInternalAlignmentGeometryMap(ConstraintList);
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::buildInternalAlignmentGeometryMap(const std::vector<Constraint*>& constraintList)
{
for (auto* c : constraintList) {
if (c->Type == InternalAlignment) {
internalAlignmentGeometryMap[c->First] = c->Second;
}
}
}
void Sketch::fixParametersAndDiagnose(std::vector<double*>& params_to_block)
{
if (!params_to_block.empty()) {// 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*>& params_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(), std::get<0>(element->second));
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.empty()) {
// 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) {
unsatisfied_groups = true;
}
}
return unsatisfied_groups;
}
void Sketch::clearTemporaryConstraints()
{
GCSsys.clearByTag(GCS::DefaultTemporaryConstraint);
}
void Sketch::calculateDependentParametersElements()
{
// initialize solve extensions to a know state
solverExtensions.resize(Geoms.size());
int i = 0;
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);
solverExtensions[i] = solvext;
i++;
}
for (auto param : pDependentParametersList) {
// auto element = param2geoelement.at(param);
auto element = param2geoelement.find(param);
if (element != param2geoelement.end()) {
auto geoid = std::get<0>(element->second);
auto geopos = std::get<1>(element->second);
auto solvext = std::static_pointer_cast<Sketcher::SolverGeometryExtension>(
Geoms[geoid]
.geo->getExtension(Sketcher::SolverGeometryExtension::getClassTypeId())
.lock());
auto index = std::get<2>(element->second);
switch (geopos) {
case PointPos::none:
solvext->setEdge(index, SolverGeometryExtension::Dependent);
break;
case PointPos::start:
if (index == 0)
solvext->setStartx(SolverGeometryExtension::Dependent);
else
solvext->setStarty(SolverGeometryExtension::Dependent);
break;
case PointPos::end:
if (index == 0)
solvext->setEndx(SolverGeometryExtension::Dependent);
else
solvext->setEndy(SolverGeometryExtension::Dependent);
break;
case PointPos::mid:
if (index == 0)
solvext->setMidx(SolverGeometryExtension::Dependent);
else
solvext->setMidy(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(
std::pair(std::get<0>(element->second), std::get<1>(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;
}
std::shared_ptr<SolverGeometryExtension> Sketch::getSolverExtension(int geoId) const
{
if (geoId >= 0 && geoId < int(solverExtensions.size()))
return solverExtensions[geoId];
return nullptr;
}
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
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*>& params = 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, 0));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p1.y),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::start, 1));
}
// 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*>& params = 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, 0));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p1.y),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::start, 1));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p2.x),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::end, 0));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p2.y),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::end, 1));
}
// return the position of the newly added geometry
return Geoms.size() - 1;
}
int Sketch::addArc(const Part::GeomArcOfCircle& circleSegment, bool fixed)
{
std::vector<double*>& params = 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, 0));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p1.y),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::start, 1));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p2.x),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::end, 0));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p2.y),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::end, 1));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p3.x),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::mid, 0));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(p3.y),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::mid, 1));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(r),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::none, 0));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(a1),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::none, 1));
param2geoelement.emplace(
std::piecewise_construct,
std::forward_as_tuple(a2),
std::forward_as_tuple(Geoms.size() - 1, Sketcher::PointPos::none, 2));
}
// return the position of the newly added geometry
return Geoms.size() - 1;
}
int Sketch::addArcOfEllipse(const Part::GeomArcOfEllipse& ellipseSegment, bool fixed)
{
std::vector<double*>& params = 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];