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JetVoronoiDiagramHelpers::Diagram Class Reference

Tool for calculating and storing diagram. More...

#include <JetVoronoiDiagramHelpers.h>

Inheritance diagram for JetVoronoiDiagramHelpers::Diagram:
Collaboration diagram for JetVoronoiDiagramHelpers::Diagram:

Public Member Functions

 Diagram (const std::string &name)
StatusCode initialize ()
 Dummy implementation of the initialisation function.
float getCellArea (const coord x, const coord y) const
size_t findPointIndex (const Point &a) const
void clearDiagram ()
StatusCode createVoronoiDiagram ()
Point interpolateInfinityVertex (const int i_a, const int i_b)
bool checkSameNumber (double in, double out, const std::string &description)
StatusCode checkStatus (const VoronoiBoost &vd, size_t n_cells_processed)
double intersectionAndArea (JetVoronoiDiagramHelpers::Polygon const &geo1, JetVoronoiDiagramHelpers::Polygon const &geo2, JetVoronoiDiagramHelpers::Polygon &out)
virtual void print () const
 Print the state of the tool.
ServiceHandle< StoreGateSvc > & evtStore ()
 The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.
const ServiceHandle< StoreGateSvc > & detStore () const
 The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.
virtual StatusCode sysInitialize () override
 Perform system initialization for an algorithm.
virtual StatusCode sysStart () override
 Handle START transition.
virtual std::vector< Gaudi::DataHandle * > inputHandles () const override
 Return this algorithm's input handles.
virtual std::vector< Gaudi::DataHandle * > outputHandles () const override
 Return this algorithm's output handles.
Gaudi::Details::PropertyBase & declareProperty (Gaudi::Property< T, V, H > &t)
void updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream & msg () const
bool msgLvl (const MSG::Level lvl) const
Additional helper functions, not directly mimicking Athena
template<class T>
const T * getProperty (const std::string &name) const
 Get one of the tool's properties.
const std::string & msg_level_name () const __attribute__((deprecated))
 A deprecated function for getting the message level's name.
const std::string & getName (const void *ptr) const
 Get the name of an object that is / should be in the event store.
SG::sgkey_t getKey (const void *ptr) const
 Get the (hashed) key of an object that is in the event store.

Public Attributes

double m_x_min
double m_x_max
double m_y_min
double m_y_max
double m_scaleIntFloat
Polygon m_borders
Polygon m_voro_vtx
std::vector< double > m_area_cells
double m_area_borders
size_t m_N_points

Protected Member Functions

void renounceArray (SG::VarHandleKeyArray &handlesArray)
 remove all handles from I/O resolution
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > renounce (T &h)
void extraDeps_update_handler (Gaudi::Details::PropertyBase &ExtraDeps)
 Add StoreName to extra input/output deps as needed.

Private Types

typedef ServiceHandle< StoreGateSvcStoreGateSvc_t

Private Member Functions

Gaudi::Details::PropertyBase & declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
 specialization for handling Gaudi::Property<SG::VarHandleKey>

Private Attributes

StoreGateSvc_t m_evtStore
 Pointer to StoreGate (event store by default)
StoreGateSvc_t m_detStore
 Pointer to StoreGate (detector store by default)
std::vector< SG::VarHandleKeyArray * > m_vhka
bool m_varHandleArraysDeclared

Detailed Description

Tool for calculating and storing diagram.

Definition at line 126 of file JetVoronoiDiagramHelpers.h.

Member Typedef Documentation

◆ StoreGateSvc_t

typedef ServiceHandle<StoreGateSvc> AthCommonDataStore< AthCommonMsg< AlgTool > >::StoreGateSvc_t
privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Constructor & Destructor Documentation

◆ Diagram()

JetVoronoiDiagramHelpers::Diagram::Diagram ( const std::string & name)

Member Function Documentation

◆ checkSameNumber()

bool JetVoronoiDiagramHelpers::Diagram::checkSameNumber ( double in,
double out,
const std::string & description )

Definition at line 197 of file JetVoronoiDiagramHelpers.cxx.

197 {
198 double den = std::abs(in)+std::abs(out);
199 if (den < std::numeric_limits<double>::epsilon()) return true;
200 if ( fabs(in-out)/den > 1e4) {
201 ATH_MSG_WARNING("Difference in " << description.c_str() << ": " << in << " (should be " << out << ")");
202 return false;
203 };
204 return true;
205 }
#define ATH_MSG_WARNING(x)
std::string description
glabal timer - how long have I taken so far?
Definition hcg.cxx:91

◆ checkStatus()

StatusCode JetVoronoiDiagramHelpers::Diagram::checkStatus ( const VoronoiBoost & vd,
size_t n_cells_processed )

Definition at line 208 of file JetVoronoiDiagramHelpers.cxx.

208 {
209 bool isAllOK = true;
210 double sum = 0; for (double voroarea : m_area_cells) sum+=voroarea;
211 isAllOK &= checkSameNumber( vd.cells().size() , m_voro_vtx.size(), "number of boost cells" );
212 isAllOK &= checkSameNumber( n_cells_processed , m_voro_vtx.size(), "number of processed cells" );
213 isAllOK &= checkSameNumber( m_area_cells.size(), m_voro_vtx.size(), "number of calculated areas" );
214 isAllOK &= checkSameNumber( sum , m_area_borders , "area sum" );
215 if(!isAllOK){
216 m_N_points = 0;
217 return StatusCode::FAILURE;
218 }
219 return StatusCode::SUCCESS;
220 }
bool checkSameNumber(double in, double out, const std::string &description)

◆ clearDiagram()

void JetVoronoiDiagramHelpers::Diagram::clearDiagram ( )

Definition at line 140 of file JetVoronoiDiagramHelpers.cxx.

140 {
141 m_voro_vtx .clear();
142 m_area_cells .clear();
143 // m_voro_cells.clear();
144 m_N_points = 0;
145 }

◆ createVoronoiDiagram()

StatusCode JetVoronoiDiagramHelpers::Diagram::createVoronoiDiagram ( )

Definition at line 148 of file JetVoronoiDiagramHelpers.cxx.

148 {
149 m_N_points = m_voro_vtx.size();
150 if (m_N_points==0) {
151 ATH_MSG_WARNING( "Trying to create diagram withou any input");
152 return StatusCode::FAILURE;
153 }
154 Polygon mypts;
155 for (const Point& p : m_voro_vtx) mypts.Add(p.x*m_scaleIntFloat,p.y*m_scaleIntFloat);
156 VoronoiBoost vd;
157 // boost make voronoi
158 construct_voronoi(mypts.begin(), mypts.end(), &vd);
159 int cell_i = 0;
160 for (VoronoiCellBoost cell : vd.cells() ){ // for all cells in diagram
161 Polygon cell_area_tmp; // temprary polygon of cell
162 const VoronoiEdgeBoost * edge = cell.incident_edge(); // first edge
163 int csi = cell.source_index(); // index of cell
164 do { // for all edges which the cell has
165 const VoronoiVtxBoost * vtx0 = edge->vertex0();
166 const VoronoiVtxBoost * vtx1 = edge->vertex1();
167 int csi_ngbr = edge->twin()->cell()->source_index() ; // index of neighbour cell
168 if (edge->is_primary()){ // is nonintersecting edge (or something like that)
169 // first vertex in infinity -- interpolate
170 if ( vtx0==nullptr ) cell_area_tmp.push_back( interpolateInfinityVertex( csi, csi_ngbr ) );
171 // adding only second vertex if exists
172 if ( vtx1!=nullptr ) cell_area_tmp.Add(vtx1->x()/m_scaleIntFloat, vtx1->y()/m_scaleIntFloat); // correct for scale
173 // second vertex in infinity -- interpolate (notice the change of index order)
174 else cell_area_tmp.push_back( interpolateInfinityVertex( csi_ngbr, csi ) );
175 }
176 edge=edge->next();
177 } while (edge != cell.incident_edge() );
178 // intersection and are calculation
179 Polygon cell_area;
180 double areasize = intersectionAndArea(cell_area_tmp,m_borders,cell_area);
181 // m_voro_cells.push_back(cell_area); // save cell polygon
182 m_area_cells.push_back(areasize);
183 cell_i++;
184 }
185 return checkStatus(vd,cell_i);
186 }
ChargedTracksWeightFilter::Spline::Point Point
boost::polygon::voronoi_diagram< double >::cell_type VoronoiCellBoost
boost::polygon::voronoi_diagram< double >::edge_type VoronoiEdgeBoost
boost::polygon::voronoi_diagram< double >::vertex_type VoronoiVtxBoost
boost::polygon::voronoi_diagram< double > VoronoiBoost
Jakub Cuth May 2015.
void Add(coord x, coord y)
StatusCode checkStatus(const VoronoiBoost &vd, size_t n_cells_processed)
Point interpolateInfinityVertex(const int i_a, const int i_b)
double intersectionAndArea(JetVoronoiDiagramHelpers::Polygon const &geo1, JetVoronoiDiagramHelpers::Polygon const &geo2, JetVoronoiDiagramHelpers::Polygon &out)

◆ declareGaudiProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< AlgTool > >::declareGaudiProperty ( Gaudi::Property< T, V, H > & hndl,
const SG::VarHandleKeyType &  )
inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleKey>

Definition at line 156 of file AthCommonDataStore.h.

158 {
160 hndl.value(),
161 hndl.documentation());
162
163 }
Gaudi::Details::PropertyBase & declareProperty(Gaudi::Property< T, V, H > &t)

◆ declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< AlgTool > >::declareProperty ( Gaudi::Property< T, V, H > & t)
inlineinherited

Definition at line 145 of file AthCommonDataStore.h.

145 {
146 typedef typename SG::HandleClassifier<T>::type htype;
148 }
Gaudi::Details::PropertyBase & declareGaudiProperty(Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
specialization for handling Gaudi::Property<SG::VarHandleKey>

◆ detStore()

const ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< AlgTool > >::detStore ( ) const
inlineinherited

The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 95 of file AthCommonDataStore.h.

◆ evtStore()

ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< AlgTool > >::evtStore ( )
inlineinherited

The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 85 of file AthCommonDataStore.h.

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< AlgTool > >::extraDeps_update_handler ( Gaudi::Details::PropertyBase & ExtraDeps)
protectedinherited

Add StoreName to extra input/output deps as needed.

use the logic of the VarHandleKey to parse the DataObjID keys supplied via the ExtraInputs and ExtraOuputs Properties to add the StoreName if it's not explicitly given

◆ findPointIndex()

size_t JetVoronoiDiagramHelpers::Diagram::findPointIndex ( const Point & a) const

Definition at line 129 of file JetVoronoiDiagramHelpers.cxx.

129 {
130 size_t index=0;
131 for (const Point& b: m_voro_vtx){
132 if (a==b) return index;
133 index++;
134 }
135 index++;
136 return index;
137 }
static Double_t a
str index
Definition DeMoScan.py:362

◆ getCellArea()

float JetVoronoiDiagramHelpers::Diagram::getCellArea ( const coord x,
const coord y ) const

Definition at line 118 of file JetVoronoiDiagramHelpers.cxx.

118 {
119 Point p ( x , y );
120 size_t i_p = findPointIndex(p);
121 if ( i_p >= m_N_points ) {
122 ATH_MSG_WARNING("Can not find point : " << p.x << " " << p.y);
123 return 0;
124 }
125 return m_area_cells[i_p];
126 }
#define y
#define x
size_t findPointIndex(const Point &a) const

◆ getKey()

SG::sgkey_t asg::AsgTool::getKey ( const void * ptr) const
inherited

Get the (hashed) key of an object that is in the event store.

This is a bit of a special one. StoreGateSvc and xAOD::TEvent both provide ways for getting the SG::sgkey_t key for an object that is in the store, based on a bare pointer. But they provide different interfaces for doing so.

In order to allow tools to efficiently perform this operation, they can use this helper function.

See also
asg::AsgTool::getName
Parameters
ptrThe bare pointer to the object that the event store should know about
Returns
The hashed key of the object in the store. If not found, an invalid (zero) key.

Definition at line 119 of file AsgTool.cxx.

119 {
120
121#ifdef XAOD_STANDALONE
122 // In case we use @c xAOD::TEvent, we have a direct function call
123 // for this.
124 return evtStore()->event()->getKey( ptr );
125#else
126 const SG::DataProxy* proxy = evtStore()->proxy( ptr );
127 return ( proxy == nullptr ? 0 : proxy->sgkey() );
128#endif // XAOD_STANDALONE
129 }
ServiceHandle< StoreGateSvc > & evtStore()

◆ getName()

const std::string & asg::AsgTool::getName ( const void * ptr) const
inherited

Get the name of an object that is / should be in the event store.

This is a bit of a special one. StoreGateSvc and xAOD::TEvent both provide ways for getting the std::string name for an object that is in the store, based on a bare pointer. But they provide different interfaces for doing so.

In order to allow tools to efficiently perform this operation, they can use this helper function.

See also
asg::AsgTool::getKey
Parameters
ptrThe bare pointer to the object that the event store should know about
Returns
The string name of the object in the store. If not found, an empty string.

Definition at line 106 of file AsgTool.cxx.

106 {
107
108#ifdef XAOD_STANDALONE
109 // In case we use @c xAOD::TEvent, we have a direct function call
110 // for this.
111 return evtStore()->event()->getName( ptr );
112#else
113 const SG::DataProxy* proxy = evtStore()->proxy( ptr );
114 static const std::string dummy = "";
115 return ( proxy == nullptr ? dummy : proxy->name() );
116#endif // XAOD_STANDALONE
117 }

◆ getProperty()

template<class T>
const T * asg::AsgTool::getProperty ( const std::string & name) const
inherited

Get one of the tool's properties.

◆ initialize()

StatusCode JetVoronoiDiagramHelpers::Diagram::initialize ( void )
virtual

Dummy implementation of the initialisation function.

It's here to allow the dual-use tools to skip defining an initialisation function. Since many are doing so...

Reimplemented from asg::AsgTool.

Definition at line 98 of file JetVoronoiDiagramHelpers.cxx.

98 {
100 // recalculate borders
101 double w_x = (m_x_max - m_x_min) ;
102 double w_y = (m_y_max - m_y_min) ;
103 if (w_x<=0 || w_y<=0){
104 ATH_MSG_WARNING( "Wrong range setting x: " << m_x_min << " .. " << m_x_max << " y " << m_y_min << " .. " << m_y_max );
105 return StatusCode::FAILURE;
106 }
107 m_scaleIntFloat = ( (w_x >= w_y ) ? 1e7/w_x : 1e7/w_y );
108 m_borders.Add( m_x_min, m_y_min );
109 m_borders.Add( m_x_max, m_y_min );
110 m_borders.Add( m_x_max, m_y_max );
111 m_borders.Add( m_x_min, m_y_max );
112 m_area_borders = w_x*w_y;
113 ATH_MSG_INFO( "Initialized with range x: " << m_x_min << " .. " << m_x_max << " y " << m_y_min << " .. " << m_y_max );
114 return StatusCode::SUCCESS;
115 }
#define ATH_MSG_INFO(x)

◆ inputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< AlgTool > >::inputHandles ( ) const
overridevirtualinherited

Return this algorithm's input handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ interpolateInfinityVertex()

Point JetVoronoiDiagramHelpers::Diagram::interpolateInfinityVertex ( const int i_a,
const int i_b )

Definition at line 189 of file JetVoronoiDiagramHelpers.cxx.

189 {
190 double sign = 300; // to limit infinity
191 Point A = m_voro_vtx[i_a];
192 Point B = m_voro_vtx[i_b];
193 return Center(A,B) + Norm(B-A) * sign ;
194 }
int sign(int a)
Point Center(const Point &a, const Point &b)

◆ intersectionAndArea()

double JetVoronoiDiagramHelpers::Diagram::intersectionAndArea ( JetVoronoiDiagramHelpers::Polygon const & geo1,
JetVoronoiDiagramHelpers::Polygon const & geo2,
JetVoronoiDiagramHelpers::Polygon & out )

Definition at line 223 of file JetVoronoiDiagramHelpers.cxx.

223 {
224 VoronoiPolygonBoost pol1, pol2;
225 std::deque<VoronoiPolygonBoost> pol3; // list of poly's because intersection could be more than one polygon (not in our case)
226 geo1.FillVoroPolygon(pol1);
227 geo2.FillVoroPolygon(pol2);
228 // boost make intersection
229 intersection(pol1,pol2,pol3);
230 if ( !pol3.empty() ){ // it has something our shape is on first place
231 for ( const VoronoiPointBoost vp: pol3.at(0).outer() ) out.Add(vp.x(),vp.y());
232 }
233 else return 0;
234 // boost calculate area
235 return area(pol3.at(0));
236 }
double area(double R)
boost::geometry::model::d2::point_xy< double > VoronoiPointBoost
boost::geometry::model::polygon< VoronoiPointBoost > VoronoiPolygonBoost
std::vector< std::string > intersection(std::vector< std::string > &v1, std::vector< std::string > &v2)

◆ msg()

MsgStream & AthCommonMsg< AlgTool >::msg ( ) const
inlineinherited

Definition at line 24 of file AthCommonMsg.h.

24 {
25 return this->msgStream();
26 }

◆ msg_level_name()

const std::string & asg::AsgTool::msg_level_name ( ) const
inherited

A deprecated function for getting the message level's name.

Instead of using this, weirdly named function, user code should get the string name of the current minimum message level (in case they really need it...), with:

MSG::name( msg().level() )

This function's name doesn't follow the ATLAS coding rules, and as such will be removed in the not too distant future.

Returns
The string name of the current minimum message level that's printed

Definition at line 101 of file AsgTool.cxx.

101 {
102
103 return MSG::name( msg().level() );
104 }
MsgStream & msg() const
const std::string & name(Level lvl)
Convenience function for translating message levels to strings.
Definition MsgLevel.cxx:19

◆ msgLvl()

bool AthCommonMsg< AlgTool >::msgLvl ( const MSG::Level lvl) const
inlineinherited

Definition at line 30 of file AthCommonMsg.h.

30 {
31 return this->msgLevel(lvl);
32 }

◆ outputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< AlgTool > >::outputHandles ( ) const
overridevirtualinherited

Return this algorithm's output handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ print()

◆ renounce()

std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > AthCommonDataStore< AthCommonMsg< AlgTool > >::renounce ( T & h)
inlineprotectedinherited

Definition at line 380 of file AthCommonDataStore.h.

381 {
382 h.renounce();
384 }
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > renounce(T &h)

◆ renounceArray()

void AthCommonDataStore< AthCommonMsg< AlgTool > >::renounceArray ( SG::VarHandleKeyArray & handlesArray)
inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

364 {
366 }

◆ sysInitialize()

virtual StatusCode AthCommonDataStore< AthCommonMsg< AlgTool > >::sysInitialize ( )
overridevirtualinherited

Perform system initialization for an algorithm.

We override this to declare all the elements of handle key arrays at the end of initialization. See comments on updateVHKA.

Reimplemented in asg::AsgMetadataTool, AthCheckedComponent< AthAlgTool >, AthCheckedComponent<::AthAlgTool >, and DerivationFramework::CfAthAlgTool.

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< AlgTool > >::sysStart ( )
overridevirtualinherited

Handle START transition.

We override this in order to make sure that conditions handle keys can cache a pointer to the conditions container.

◆ updateVHKA()

void AthCommonDataStore< AthCommonMsg< AlgTool > >::updateVHKA ( Gaudi::Details::PropertyBase & )
inlineinherited

Definition at line 308 of file AthCommonDataStore.h.

308 {
309 // debug() << "updateVHKA for property " << p.name() << " " << p.toString()
310 // << " size: " << m_vhka.size() << endmsg;
311 for (auto &a : m_vhka) {
313 for (auto k : keys) {
314 k->setOwner(this);
315 }
316 }
317 }
std::vector< SG::VarHandleKeyArray * > m_vhka

Member Data Documentation

◆ m_area_borders

double JetVoronoiDiagramHelpers::Diagram::m_area_borders

Definition at line 148 of file JetVoronoiDiagramHelpers.h.

◆ m_area_cells

std::vector<double> JetVoronoiDiagramHelpers::Diagram::m_area_cells

Definition at line 147 of file JetVoronoiDiagramHelpers.h.

◆ m_borders

Polygon JetVoronoiDiagramHelpers::Diagram::m_borders

Definition at line 145 of file JetVoronoiDiagramHelpers.h.

◆ m_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< AlgTool > >::m_detStore
privateinherited

Pointer to StoreGate (detector store by default)

Definition at line 393 of file AthCommonDataStore.h.

◆ m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< AlgTool > >::m_evtStore
privateinherited

Pointer to StoreGate (event store by default)

Definition at line 390 of file AthCommonDataStore.h.

◆ m_N_points

size_t JetVoronoiDiagramHelpers::Diagram::m_N_points

Definition at line 150 of file JetVoronoiDiagramHelpers.h.

◆ m_scaleIntFloat

double JetVoronoiDiagramHelpers::Diagram::m_scaleIntFloat

Definition at line 144 of file JetVoronoiDiagramHelpers.h.

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< AlgTool > >::m_varHandleArraysDeclared
privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

std::vector<SG::VarHandleKeyArray*> AthCommonDataStore< AthCommonMsg< AlgTool > >::m_vhka
privateinherited

Definition at line 398 of file AthCommonDataStore.h.

◆ m_voro_vtx

Polygon JetVoronoiDiagramHelpers::Diagram::m_voro_vtx

Definition at line 146 of file JetVoronoiDiagramHelpers.h.

◆ m_x_max

double JetVoronoiDiagramHelpers::Diagram::m_x_max

Definition at line 141 of file JetVoronoiDiagramHelpers.h.

◆ m_x_min

double JetVoronoiDiagramHelpers::Diagram::m_x_min

Definition at line 140 of file JetVoronoiDiagramHelpers.h.

◆ m_y_max

double JetVoronoiDiagramHelpers::Diagram::m_y_max

Definition at line 143 of file JetVoronoiDiagramHelpers.h.

◆ m_y_min

double JetVoronoiDiagramHelpers::Diagram::m_y_min

Definition at line 142 of file JetVoronoiDiagramHelpers.h.


The documentation for this class was generated from the following files: