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Foam.cpp
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Foam.cpp
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/**
* @file Foam.cpp
* @author Dan R. Lipsa
*
* Implementation of the Foam object
*/
#include "Attribute.h"
#include "AttributeInfo.h"
#include "AttributeCreator.h"
#include "Body.h"
#include "BodySelector.h"
#include "ConstraintEdge.h"
#include "Debug.h"
#include "Edge.h"
#include "ExpressionTree.h"
#include "Face.h"
#include "Foam.h"
#include "Utils.h"
#include "OrientedEdge.h"
#include "OrientedFace.h"
#include "ParsingData.h"
#include "ProcessBodyTorus.h"
#include "VectorOperation.h"
#include "Vertex.h"
#include "Simulation.h"
// Private Functions
// ======================================================================
struct AttributeDescription
{
boost::function<void (Foam*)> m_getter;
const char* m_name;
size_t m_size;
};
template<typename Element>
void copyStandalone (const vector< boost::shared_ptr<Element> >& source,
vector< boost::shared_ptr<Element> >* destination)
{
BOOST_FOREACH (boost::shared_ptr<Element> e, source)
{
if (e->IsStandalone ())
destination->push_back (e);
}
}
G3D::Vector3* Vector3Address (G3D::Vector3& v)
{
return &v;
}
/**
* Move elements in a vector toward the begining of the vector so that we
* eliminate holes.
* @param v vector of elements
*/
template <typename E>
void compact (vector< boost::shared_ptr<E> >& v)
{
size_t step = 0;
for (size_t i = 0; i < v.size (); i++)
{
if (v[i] == 0)
step++;
else if (step != 0)
v[i - step] = v[i];
}
//cdbg << "Eliminate " << step << " holes" << endl;
size_t resize = v.size () - step;
v.resize (resize);
}
// Methods
// ======================================================================
Foam::Foam (bool useOriginal,
const DmpObjectInfo& dmpObjectInfo,
const vector<ForceNamesOneObject>& forcesNames,
DataProperties& dataProperties,
ParametersOperation paramsOp) :
m_viewMatrix (new G3D::Matrix4 (G3D::Matrix4::identity ())),
m_parsingData (new ParsingData (
useOriginal, dmpObjectInfo, forcesNames)),
m_histogramScalar (
BodyScalar::COUNT, HistogramStatistics (HISTOGRAM_INTERVALS)),
m_properties (dataProperties),
m_parametersOperation (paramsOp),
m_pressureSubtraction (0)
{
m_parsingData->SetVariable ("pi", M_PI);
}
template <typename Accumulator>
void Foam::AccumulateProperty (Accumulator* acc,
BodyScalar::Enum property) const
{
BOOST_FOREACH (const boost::shared_ptr<Body>& body, GetBodies ())
{
if (body->HasScalarValue (property))
(*acc) (body->GetScalarValue (property));
}
}
template <typename Accumulator, typename GetBodyScalar>
void Foam::Accumulate (Accumulator* acc, GetBodyScalar getBodyScalar) const
{
BOOST_FOREACH (const boost::shared_ptr<Body>& body, GetBodies ())
{
if (! body->IsObject ())
(*acc) (getBodyScalar (body));
}
}
double Foam::CalculateMedian (BodyScalar::Enum property)
{
MedianStatistics median;
AccumulateProperty (&median, property);
return acc::median (median);
}
void Foam::SetBody (size_t i, vector<int>& faces,
vector<NameSemanticValue*>& attributes, bool useOriginal)
{
resizeAllowIndex (&m_bodies, i);
boost::shared_ptr<Body> body = boost::make_shared<Body> (
faces, GetParsingData ().GetFaces (), i);
if (&attributes != 0)
body->StoreAttributes (attributes,
GetAttributesInfoElements ().GetInfoBody ());
if (useOriginal)
if (body->HasAttribute (BodyAttributeIndex::ORIGINAL))
{
size_t newId = body->GetAttribute<
IntegerAttribute, IntegerAttribute::value_type> (
BodyAttributeIndex::ORIGINAL) - 1;
body->SetId (newId);
}
m_bodies[i] = body;
}
void Foam::compact (void)
{
::compact (GetParsingData ().GetVertices ());
::compact (GetParsingData ().GetEdges ());
::compact (GetParsingData ().GetFaces ());
::compact (m_bodies);
}
void Foam::ReleaseParsingData ()
{
m_parsingData.reset ();
}
void Foam::updateAdjacent ()
{
for_each (m_bodies.begin (), m_bodies.end (),
boost::bind(&Body::UpdateAdjacentBody, _1, _1));
ParsingData::Faces faces = GetParsingData ().GetFaces ();
for_each (faces.begin (), faces.end (),
boost::bind (&Face::UpdateAdjacentFaceStandalone, _1, _1));
ParsingData::Edges edges = GetParsingData ().GetEdges ();
for_each (edges.begin (), edges.end (),
boost::bind (&Edge::UpdateAdjacentEdge, _1, _1));
}
void Foam::CalculateBoundingBox ()
{
G3D::Vector3 low, high;
for_each (m_bodies.begin (), m_bodies.end (),
boost::bind (&Body::CalculateBoundingBox, _1));
// using the BB for bodies to calculate BB for the foam does not
// work when there are no bodies
VertexSet vertexSet = GetVertexSet ();
CalculateAggregate <VertexSet, VertexSet::iterator,
VertexPtrLessThanAlong>() (min_element, vertexSet, &low);
CalculateAggregate <VertexSet, VertexSet::iterator,
VertexPtrLessThanAlong>()(max_element, vertexSet, &high);
m_boundingBox.set(low, high);
if (IsTorus ())
calculateBoundingBoxTorus (&low, &high);
m_boundingBoxTorus.set (low, high);
}
void Foam::calculateBoundingBoxTorus (G3D::Vector3* low, G3D::Vector3* high)
{
using boost::array;
using G3D::Vector3;
Vector3 origin = Vector3::zero ();
Vector3 first = GetTorusDomain ()[0];
Vector3 second = GetTorusDomain ()[1];
Vector3 sum = first + second;
Vector3 third = GetTorusDomain ()[2];
array<Vector3, 10> additionalVertices =
{{
*low,
origin, first, sum, second,
origin + third, first + third, sum + third, second + third,
*high
}};
vector<Vector3*> v(additionalVertices.size ());
transform (additionalVertices.begin (), additionalVertices.end (),
v.begin (), Vector3Address);
CalculateAggregate<vector<Vector3*>, vector<Vector3*>::iterator,
VertexPtrLessThanAlong>() (min_element, v, low);
CalculateAggregate<vector<Vector3*>, vector<Vector3*>::iterator,
VertexPtrLessThanAlong>() (max_element, v, high);
}
void Foam::calculateBodyCenters ()
{
for_each (m_bodies.begin (), m_bodies.end (),
boost::bind(&Body::CalculateCenter, _1));
}
void Foam::unwrap (VertexSet* vertexSet, EdgeSet* edgeSet, FaceSet* faceSet)
{
BOOST_FOREACH (boost::shared_ptr<Vertex> v, GetParsingData ().GetVertices ())
{
vertexSet->insert (v);
}
BOOST_FOREACH (boost::shared_ptr<Edge> e, GetParsingData ().GetEdges ())
{
unwrap (e, vertexSet);
edgeSet->insert (e);
}
BOOST_FOREACH (boost::shared_ptr<Face> f, GetParsingData ().GetFaces ())
{
unwrap (f, vertexSet, edgeSet);
f->SetNormal ();
faceSet->insert (f);
}
BOOST_FOREACH (boost::shared_ptr<Body> b, GetBodies ())
{
unwrap (b, vertexSet, edgeSet, faceSet);
}
}
void Foam::unwrap (boost::shared_ptr<Edge> edge, VertexSet* vertexSet) const
{
if (edge->GetEndTranslation () != Vector3int16Zero)
edge->SetEnd (
edge->GetEnd ().GetDuplicate (
GetTorusDomain (), edge->GetEndTranslation (), vertexSet));
}
void Foam::unwrap (boost::shared_ptr<Face> face,
VertexSet* vertexSet, EdgeSet* edgeSet) const
{
Face::OrientedEdges& orientedEdges = face->GetOrientedEdges ();
G3D::Vector3 begin = (*orientedEdges.begin())->GetBeginVector ();
BOOST_FOREACH (boost::shared_ptr<OrientedEdge> oe, orientedEdges)
{
boost::shared_ptr<Edge> edge = oe->GetEdge ();
G3D::Vector3 edgeBegin =
(oe->IsReversed ()) ? edge->GetTranslatedBegin (begin) : begin;
oe->SetEdge (
edge->GetDuplicate (
GetTorusDomain (), edgeBegin, vertexSet, edgeSet));
begin = oe->GetEndVector ();
}
face->CalculateCentroidAndArea ();
}
void Foam::unwrap (
boost::shared_ptr<Body> body,
VertexSet* vertexSet, EdgeSet* edgeSet, FaceSet* faceSet) const
{
ProcessBodyTorus(*this, body).Unwrap (vertexSet, edgeSet, faceSet);
}
void Foam::copyStandaloneElements ()
{
copyStandalone (GetParsingData ().GetEdges (), &m_standaloneEdges);
copyStandalone (GetParsingData ().GetFaces (), &m_standaloneFaces);
}
void Foam::Preprocess ()
{
VertexSet vertexSet;
EdgeSet edgeSet;
FaceSet faceSet;
const DmpObjectInfo& dmpObjectInfo = GetParsingData ().GetDmpObjectInfo ();
if (dmpObjectInfo.RotationUsed ())
SetDmpObjectPosition (dmpObjectInfo);
compact ();
updateAdjacent ();
copyStandaloneElements ();
if (IsTorus ())
unwrap (&vertexSet, &edgeSet, &faceSet);
else
{
GetFaceSet (&faceSet);
BOOST_FOREACH (const boost::shared_ptr<Face>& f, faceSet)
f->SetNormal ();
}
calculateBodyCenters ();
if (IsTorus ())
bodiesInsideOriginalDomain (&vertexSet, &edgeSet, &faceSet);
sort (m_bodies.begin (), m_bodies.end (), BodyLessThan);
setMissingPressureZero ();
setMissingVolume ();
addConstraintEdges ();
}
void Foam::CalculateBodyNeighborsAndGrowthRate ()
{
for_each (m_bodies.begin (), m_bodies.end (),
boost::bind (&Body::CalculateNeighborsAndGrowthRate, _1,
GetTorusDomain (), Is2D ()));
}
bool Foam::HasFreeFace () const
{
BOOST_FOREACH (boost::shared_ptr<Body> body, GetBodies ())
if (body->HasFreeFace ())
return true;
return false;
}
void Foam::StoreObjects ()
{
BOOST_FOREACH (boost::shared_ptr<Body> body, m_bodies)
if (body->IsObject ())
m_objects.push_back (body);
}
void Foam::StoreConstraintFaces ()
{
BOOST_FOREACH (boost::shared_ptr<Body> body, GetBodies ())
{
BOOST_FOREACH (boost::shared_ptr<OrientedFace> of,
body->GetOrientedFaces ())
{
if (of->HasConstraints ())
{
size_t constraintIndex = of->GetConstraintIndex ();
ConstraintFaces::iterator it =
m_constraintFaces.find (constraintIndex);
if (it == m_constraintFaces.end ())
{
ConstraintFaces::value_type value (
constraintIndex,
ConstraintFaces::mapped_type (1, of));
m_constraintFaces.insert (value);
}
else
it->second.push_back (of);
}
}
}
BOOST_FOREACH (boost::shared_ptr<Body> object, GetObjects ())
{
m_constraintFaces.erase (object->GetConstraintIndex ());
}
}
void Foam::CalculateDeformationSimple ()
{
for_each (m_bodies.begin (), m_bodies.end (),
boost::bind (&Body::CalculateDeformationSimple, _1));
}
void Foam::CalculateDeformationTensor ()
{
//MeasureTime t;
// this prevents a unique body to be set as an object.
if (m_bodies.size () > 1)
for_each (m_bodies.begin (), m_bodies.end (),
boost::bind (&Body::CalculateDeformationTensor, _1,
GetTorusDomain ()));
//t.EndInterval ("eigen");
}
size_t Foam::GetLastEdgeId (const EdgeSet& edgeSet) const
{
EdgeSet::const_iterator it = edgeSet.end ();
return (*(--it))->GetId ();
}
size_t Foam::GetLastFaceId () const
{
FaceSet::const_iterator it = GetFaceSet ().end ();
return (*(--it))->GetId ();
}
size_t Foam::GetLastBodyId () const
{
Bodies::const_iterator it = GetBodies ().end ();
return (*(--it))->GetId ();
}
/**
* @todo 1. Use face area to decide if the constraint is convex or concave.
* 2. For a piece wise defined constraint, use the intersection between
* different pieces as points you know they are on the constraint.
* 3. use angled lines instead of lines perpendicular on the constraint
* edge.
*/
void Foam::addConstraintEdges ()
{
if (! Is2D ())
return;
Bodies bodies = GetBodies ();
VertexSet vertexSet = GetVertexSet ();
EdgeSet edgeSet = GetEdgeSet ();
size_t lastEdgeId = GetLastEdgeId (edgeSet);
size_t dmpObjectConstraintIndex = GetParsingData ().
GetDmpObjectInfo ().m_constraintIndex;
for (size_t i = 0; i < bodies.size (); ++i)
{
boost::shared_ptr<Body> body = bodies[i];
//DEBUG
//if (body->GetId () != 607)
//continue;
Face& face = body->GetFace (0);
if (face.IsClosed ())
continue;
boost::shared_ptr<Vertex> end = face.GetOrientedEdge (0).GetBeginPtr ();
boost::shared_ptr<Vertex> begin =
face.GetOrientedEdge (face.GetEdgeCount () - 1).GetEndPtr ();
boost::shared_ptr<ConstraintEdge> constraintEdge =
calculateConstraintEdge (begin, end, ++lastEdgeId, i,
&vertexSet, &edgeSet);
boost::shared_ptr<Edge> edge (constraintEdge);
face.AddEdge (edge);
face.CalculateCentroidAndArea ();
size_t constraintIndex = constraintEdge->GetConstraintIndex ();
if ( constraintIndex == dmpObjectConstraintIndex)
{
resizeAllowIndex (&m_constraintEdges, constraintIndex);
if (! m_constraintEdges[constraintIndex])
m_constraintEdges[constraintIndex].reset (new Edges ());
m_constraintEdges[constraintIndex]->push_back (edge);
}
}
}
boost::shared_ptr<ConstraintEdge> Foam::calculateConstraintEdge (
boost::shared_ptr<Vertex> begin, boost::shared_ptr<Vertex> end,
size_t id, size_t bodyIndex, VertexSet* vertexSet, EdgeSet* edgeSet)
{
size_t constraintIndex = begin->GetConstraintIndex (0);
// deal with the case when one of the vertices of the edge has
// wrapped around.
if (! isVectorOnConstraint (begin->GetVector (), constraintIndex))
{
G3D::Vector3int16 translation =
getVectorOnConstraintTranslation (
begin->GetVector (), constraintIndex);
boost::shared_ptr<Vertex> newEnd = end->GetDuplicate (
GetTorusDomain (), translation, vertexSet);
boost::shared_ptr<Vertex> newBegin = begin->GetDuplicate (
GetTorusDomain (), translation, vertexSet);
boost::shared_ptr<ConstraintEdge> newConstraintEdge (
new ConstraintEdge (&GetParsingData (), newBegin, newEnd, id,
&m_constraintPointsToFix, bodyIndex));
return
boost::static_pointer_cast<ConstraintEdge> (
newConstraintEdge->GetDuplicate (
GetTorusDomain (), begin->GetVector (),
vertexSet, edgeSet));
}
else
{
return boost::shared_ptr<ConstraintEdge> (
new ConstraintEdge (&GetParsingData (), begin, end,
id, &m_constraintPointsToFix, bodyIndex));
}
}
bool Foam::isVectorOnConstraint (const G3D::Vector3& v,
size_t constraintIndex) const
{
m_parsingData->SetVariable ("x", v.x);
m_parsingData->SetVariable ("y", v.y);
boost::shared_ptr<ExpressionTree> constraint =
m_parsingData->GetConstraint (constraintIndex);
return G3D::fuzzyEq (constraint->Value (), 0);
}
G3D::Vector3int16 Foam::getVectorOnConstraintTranslation (
const G3D::Vector3& v, size_t constraintIndex) const
{
boost::array<G3D::Vector3int16, 4> trials = {{
G3D::Vector3int16 (1, 0, 0),
G3D::Vector3int16 (-1, 0, 0),
G3D::Vector3int16 (0, 1, 0),
G3D::Vector3int16 (0, -1, 0),
}};
BOOST_FOREACH (G3D::Vector3int16 trial, trials)
{
G3D::Vector3 newV = GetTorusDomain ().TorusTranslate (v, trial);
if (isVectorOnConstraint (newV, constraintIndex))
return trial;
}
RuntimeAssert (false, "No vertex on constraint found");
return Vector3int16Zero;
}
void Foam::FixConstraintPoints (const Foam* prevFoam)
{
if (Is2D ())
{
pair<size_t, size_t> index;
ConstraintEdge* prevProcessedEdge = 0;
BOOST_FOREACH (index, m_constraintPointsToFix)
{
//cdbg << "process: " << index.first << ", " << index.second << endl;
bool valid;
const Face& face = GetBody (index.first).GetFace (0);
ConstraintEdge& edge = static_cast<ConstraintEdge&> (
*face.GetOrientedEdge (face.size () - 1).GetEdge ());
if (prevFoam == 0)
edge.FixPointsConcaveOrConvex ();
else
{
const Face& prevFace =
prevFoam->GetBody (index.first).GetFace (0);
ConstraintEdge& prevEdge = static_cast<ConstraintEdge&> (
*prevFace.GetOrientedEdge (prevFace.size () - 1).GetEdge ());
G3D::Vector2 prevPoint = prevEdge.GetPoint (index.second).xy ();
G3D::Vector3 newPoint = edge.CalculatePointMulti (
index.second, &valid, prevPoint);
if (valid)
edge.ChoosePoint (index.second, newPoint);
if (prevProcessedEdge != &edge)
{
if (prevProcessedEdge != 0)
prevProcessedEdge->FixPointsConcaveOrConvex ();
prevProcessedEdge = &edge;
}
}
}
if (prevProcessedEdge != 0)
prevProcessedEdge->FixPointsConcaveOrConvex ();
m_constraintPointsToFix.clear ();
}
}
Foam::Bodies::const_iterator
Foam::FindBody (size_t bodyId) const
{
return lower_bound (m_bodies.begin (), m_bodies.end (), bodyId,
BodyLessThanId);
}
void Foam::setMissingVolume ()
{
using EvolverData::parser;
BOOST_FOREACH (const boost::shared_ptr<Body>& body, m_bodies)
{
float volume;
if (! body->HasScalarValue (BodyScalar::TARGET_VOLUME) ||
! body->HasScalarValue (BodyScalar::ACTUAL_VOLUME))
{
if (Is2D ())
volume = body->GetOrientedFace (0).GetArea ();
else
{
volume = body->CalculateVolume ();
}
}
if (! body->HasScalarValue (BodyScalar::TARGET_VOLUME))
{
body->SetTargetVolumeDeduced ();
StoreAttribute (body.get (), BodyScalar::TARGET_VOLUME, volume);
}
if (! body->HasScalarValue (BodyScalar::ACTUAL_VOLUME))
{
body->SetActualVolumeDeduced ();
StoreAttribute (body.get (), BodyScalar::ACTUAL_VOLUME, volume);
}
}
}
void Foam::setMissingPressureZero ()
{
using EvolverData::parser;
BOOST_FOREACH (const boost::shared_ptr<Body>& body, m_bodies)
{
if (! body->HasScalarValue (BodyScalar::PRESSURE))
{
StoreAttribute (body.get (), BodyScalar::PRESSURE, 0);
body->SetPressureDeduced ();
}
}
}
void Foam::SubtractFromPressure (double adjustment)
{
BOOST_FOREACH (const boost::shared_ptr<Body>& body, m_bodies)
{
if (body->HasScalarValue (BodyScalar::PRESSURE))
{
double newPressure =
body->GetScalarValue (BodyScalar::PRESSURE) -
adjustment;
body->SetPressureValue (newPressure);
}
}
m_min[BodyScalar::PRESSURE] -= adjustment;
m_max[BodyScalar::PRESSURE] -= adjustment;
m_pressureSubtraction += adjustment;
}
void Foam::AddAttributeInfo (
DefineAttribute::Enum type, const char* name,
boost::shared_ptr<AttributeCreator> creator)
{
m_attributesInfoElements.GetInfo (type).AddAttributeInfo (name, creator);
m_parsingData->AddAttribute (name);
}
void Foam::bodiesInsideOriginalDomain (
VertexSet* vertexSet, EdgeSet* edgeSet, FaceSet* faceSet)
{
for_each (m_bodies.begin (), m_bodies.end (),
boost::bind (&Foam::bodyInsideOriginalDomain, this,
_1, vertexSet, edgeSet, faceSet));
}
bool Foam::bodyInsideOriginalDomain (
const boost::shared_ptr<Body>& body,
VertexSet* vertexSet, EdgeSet* edgeSet, FaceSet* faceSet)
{
try
{
G3D::Vector3int16 centerDomain =
GetTorusDomain ().GetTranslationFromOriginalDomain (
body->GetCenter ());
if (centerDomain == Vector3int16Zero)
return true;
G3D::Vector3int16 translation = Vector3int16Zero - centerDomain;
bodyTranslate (body, translation, vertexSet, edgeSet, faceSet);
return false;
}
catch (exception e)
{
cdbg << e.what () << endl;
throw;
}
}
void Foam::bodyTranslate (
const boost::shared_ptr<Body>& body,const G3D::Vector3int16& translate,
VertexSet* vertexSet, EdgeSet* edgeSet, FaceSet* faceSet)
{
BOOST_FOREACH (boost::shared_ptr<OrientedFace> of, body->GetOrientedFaces ())
{
const Face& original = *of->GetFace ();
boost::shared_ptr<Face> duplicate = original.GetDuplicate (
GetTorusDomain (), translate, vertexSet, edgeSet, faceSet);
of->SetFace (duplicate);
}
body->CalculateCenter ();
}
Foam::Bodies::iterator Foam::BodyInsideOriginalDomainStep (
Foam::Bodies::iterator begin,
VertexSet* vertexSet, EdgeSet* edgeSet, FaceSet* faceSet)
{
Bodies::iterator it = begin;
while (it != m_bodies.end () &&
bodyInsideOriginalDomain (*it, vertexSet, edgeSet, faceSet))
++it;
if (it == m_bodies.end ())
return it;
else
return ++it;
}
void Foam::GetVertexSet (VertexSet* vertexSet) const
{
for_each (GetBodies ().begin (), GetBodies ().end (),
boost::bind (&Body::GetVertexSet, _1, vertexSet));
for_each (GetStandaloneFaces ().begin (), GetStandaloneFaces ().end (),
boost::bind (&Face::GetVertexSet, _1, vertexSet));
for_each (GetStandaloneEdges ().begin (), GetStandaloneEdges ().end (),
boost::bind (&Edge::GetVertexSet, _1, vertexSet));
}
void Foam::GetEdgeSet (EdgeSet* edgeSet) const
{
for_each (GetBodies ().begin (), GetBodies ().end (),
boost::bind (&Body::GetEdgeSet, _1, edgeSet));
BOOST_FOREACH (boost::shared_ptr<Edge> edge, GetStandaloneEdges ())
edgeSet->insert (edge);
for_each (GetStandaloneFaces ().begin (), GetStandaloneFaces ().end (),
boost::bind (&Face::GetEdgeSet, _1, edgeSet));
}
void Foam::GetFaceSet (FaceSet* faceSet) const
{
const Bodies& bodies = GetBodies ();
for_each (bodies.begin (), bodies.end (),
boost::bind (&Body::GetFaceSet, _1, faceSet));
BOOST_FOREACH (boost::shared_ptr<Face> face, GetStandaloneFaces ())
faceSet->insert (face);
}
boost::shared_ptr<Edge> Foam::GetStandardEdge () const
{
const Face* f;
if (m_bodies.empty ())
f = m_standaloneFaces[0].get ();
else
f = &GetBody (0).GetFace (0);
return f->GetOrientedEdge (0).GetEdge ();
}
void Foam::SetViewMatrix (
double r1c1, double r1c2, double r1c3, double r1c4,
double r2c1, double r2c2, double r2c3, double r2c4,
double r3c1, double r3c2, double r3c3, double r3c4,
double r4c1, double r4c2, double r4c3, double r4c4)
{
m_viewMatrix.reset (new G3D::Matrix4 (
r1c1, r1c2, r1c3, r1c4,
r2c1, r2c2, r2c3, r2c4,
r3c1, r3c2, r3c3, r3c4,
r4c1, r4c2, r4c3, r4c4));
}
void Foam::CalculateMinMaxStatistics ()
{
for (size_t i = BodyScalar::PROPERTY_BEGIN;
i < BodyScalar::COUNT; ++i)
{
// statistics for all time-steps
BodyScalar::Enum property = BodyScalar::FromSizeT (i);
calculateMinMaxStatistics (property);
}
}
void Foam::calculateMinMaxStatistics (BodyScalar::Enum property)
{
MinMaxStatistics minMax;
BOOST_FOREACH (const boost::shared_ptr<Body>& body, m_bodies)
{
if (body->HasScalarValue (property))
minMax (body->GetScalarValue (property));
}
m_min[property] = acc::min (minMax);
m_max[property] = acc::max (minMax);
}
void Foam::CalculateHistogramStatistics (BodyScalar::Enum property,
double min, double max)
{
m_histogramScalar[property](min);
m_histogramScalar[property](max);
BOOST_FOREACH (const boost::shared_ptr<Body>& body, m_bodies)
{
if (body->HasScalarValue (property))
m_histogramScalar[property] (body->GetScalarValue (property));
}
}
bool Foam::ExistsBodyWithValueIn (
BodyScalar::Enum property, const QwtDoubleInterval& interval) const
{
BOOST_FOREACH (boost::shared_ptr<Body> body, m_bodies)
{
if (body->HasScalarValue (property) &&
interval.contains (body->GetScalarValue (property)))
return true;
}
return false;
}
void Foam::SetDmpObjectPosition (const DmpObjectInfo& names)
{
m_dmpObjectPosition.m_rotationCenter.x =
GetParsingData ().GetVariableValue (names.m_xName);
m_dmpObjectPosition.m_rotationCenter.y =
GetParsingData ().GetVariableValue (names.m_yName);
m_dmpObjectPosition.m_angleRadians =
GetParsingData ().GetVariableValue (names.m_angleName);
}
G3D::Vector2 Foam::GetAverageAroundAxis (
size_t bodyId, size_t secondBodyId) const
{
boost::shared_ptr<Body> first = *FindBody (bodyId);
boost::shared_ptr<Body> second = *FindBody (secondBodyId);
return (second->GetCenter () - first->GetCenter ()).xy ();
}
void Foam::SetForceAllObjects ()
{
const vector<ForceNamesOneObject>& forcesNames =
GetParsingData ().GetForcesNames ();
if (! forcesNames.empty ())
{
m_forces.resize (forcesNames.size ());
for (size_t i = 0; i < forcesNames.size (); ++i)
setForceOneObject (forcesNames[i], &m_forces[i]);
}
}
void Foam::setForceOneObject (const ForceNamesOneObject& names,
ForceOneObject* forceOneObject)
{
forceOneObject->SetBody (*FindBody (names.m_bodyId));
const ParsingData& parsingData = GetParsingData ();
// network force
forceOneObject->SetForce (
ForceType::NETWORK,
parsingData.GetVariableValue (names.m_networkForceName[0]),
parsingData.GetVariableValue (names.m_networkForceName[1]),
(names.m_networkForceName[2].empty ()) ? 0 :
parsingData.GetVariableValue (names.m_networkForceName[2]));
forceOneObject->SetForce (
ForceType::PRESSURE,
parsingData.GetVariableValue (names.m_pressureForceName[0]),
parsingData.GetVariableValue (names.m_pressureForceName[1]),
(names.m_pressureForceName[2].empty ()) ? 0 :
parsingData.GetVariableValue (names.m_pressureForceName[2]));
// torque
if (! names.m_networkTorqueName.empty ())
{
forceOneObject->SetTorque (
ForceType::NETWORK, parsingData.GetVariableValue (
names.m_networkTorqueName));
forceOneObject->SetTorque (
ForceType::PRESSURE, parsingData.GetVariableValue (
names.m_pressureTorqueName));
}
}
void Foam::StoreAttribute (
Body* body, BodyScalar::Enum bp, double value)
{
body->StoreAttribute (Body::GetAttributeKeywordString(bp), value,
m_attributesInfoElements.GetInfoBody ());
}
void Foam::SortConstraintEdges (size_t constraintIndex)
{
Edges& edges = *m_constraintEdges[constraintIndex];
for (size_t i = 0; i < edges.size () - 1; ++i)
{
for (size_t j = i + 1; j < edges.size (); ++j)
{
if (edges[i]->GetEnd ().GetId () != edges[j]->GetBegin ().GetId ())
continue;
else
swap (edges[i+1], edges[j]);
}
RuntimeAssert (edges[i]->GetEnd ().GetId () ==
edges[i + 1]->GetBegin ().GetId (),
"Next vector not found");
}
}
void Foam::CreateObjectBody (size_t constraint)
{
if (constraint == INVALID_INDEX)
return;
if (Is2D ())
{
SortConstraintEdges (constraint);
size_t lastFaceId = GetLastFaceId ();
boost::shared_ptr<Face> face (
new Face (GetConstraintEdges (constraint), ++lastFaceId));
VertexSet vertexSet = GetVertexSet ();
EdgeSet edgeSet = GetEdgeSet ();
unwrap (face, &vertexSet, &edgeSet);
size_t lastBodyId = GetLastBodyId ();
boost::shared_ptr<Body> body (new Body (face, lastBodyId + 1));
body->UpdateAdjacentBody (body);
body->CalculateCenter ();
m_bodies.push_back (body);
}
}
bool Foam::Is2D () const
{
return m_properties.Is2D ();
}
Dimension::Enum Foam::GetDimension () const
{
return m_properties.GetDimension ();
}
bool Foam::IsQuadratic () const
{
return m_properties.IsQuadratic ();
}
void Foam::SetDimension (size_t spaceDimension)
{
if (m_parametersOperation == SET_DATA_PROPERTIES)
m_properties.SetDimension (spaceDimension);
else
if (m_properties.GetDimension () !=
Dimension::Enum (spaceDimension))
ThrowException (
"Space dimension has to be the same for all time steps");
}
void Foam::SetQuadratic (bool quadratic)
{
if (m_parametersOperation == SET_DATA_PROPERTIES)
m_properties.SetQuadratic (quadratic);
else
if (m_properties.IsQuadratic () != quadratic)
ThrowException ("Edges have to be the same "
"(quadratic or not) for all time steps");
}
bool Foam::IsTorus () const
{
return GetTorusDomain ().IsTorus ();
}
void Foam::SetTorusDomain (const G3D::Vector3& x, const G3D::Vector3& y)
{
using G3D::Vector3;
Vector3 third = x.cross (y).unit ();
double thirdLength = min (x.length (), y.length ());
SetTorusDomain (x, y, thirdLength * third);
}
void Foam::getTetraPoints (
vtkSmartPointer<vtkPoints>* tetraPoints,
vector<boost::shared_ptr<Vertex> >* sortedPoints,
size_t* maxId,
size_t* numberOfCells) const
{
VertexSet vertexSet = GetVertexSet ();
*maxId = (*(--vertexSet.end ()))->GetId ();
*numberOfCells = 0;
vtkIdType bodyIndex = 0;
BOOST_FOREACH (const boost::shared_ptr<Body>& body, GetBodies ())
{
numberOfCells += body->GetOrientedFaces ().size ();
vertexSet.insert (
boost::shared_ptr<Vertex> (new Vertex (body->GetCenter (),
*maxId + bodyIndex + 1)));
++bodyIndex;
}
sortedPoints->resize(vertexSet.size ());
copy (vertexSet.begin (), vertexSet.end (), sortedPoints->begin ());
*tetraPoints = vtkPoints::New ();
(*tetraPoints)->SetNumberOfPoints (sortedPoints->size ());
for (size_t i = 0; i < sortedPoints->size (); ++i)
{
G3D::Vector3 p = (*sortedPoints)[i]->GetVector ();
(*tetraPoints)->InsertPoint (i, p.x, p.y, p.z);
}
}
vtkSmartPointer<vtkUnstructuredGrid> Foam::addCellAttribute (
vtkSmartPointer<vtkUnstructuredGrid> aTetraGrid,
size_t attribute) const
{
vtkIdType numberOfCells = aTetraGrid->GetNumberOfCells ();
VTK_CREATE(vtkFloatArray, attributes);
attributes->SetNumberOfComponents (
BodyAttribute::GetNumberOfComponents (attribute));
attributes->SetNumberOfTuples (numberOfCells);
attributes->SetName (BodyAttribute::ToString (attribute));
vtkIdType faceIndex = 0;
BOOST_FOREACH (const boost::shared_ptr<Body>& body, GetBodies ())
{
float value[BodyAttribute::MAX_NUMBER_OF_COMPONENTS];
body->GetAttributeValue (attribute, value);
BOOST_FOREACH (const boost::shared_ptr<OrientedFace>& of,
body->GetOrientedFaces ())
{