Pixel cluster – collection of neighboring pixels above threshold. More...

#include <SiPixelCluster.h>

Classes
class	Pixel

class	PixelPos

class	Shift

Public Types
typedef std::vector< PixelDigi > ::const_iterator	PixelDigiIter

typedef std::pair < PixelDigiIter, PixelDigiIter >	PixelDigiRange

Public Member Functions
void	add (const PixelPos &pix, int adc)

float	charge () const

int	colSpan () const

void	computeMax ()
	moslty to be compatible for <610 More...

float	getSplitClusterErrorX () const

float	getSplitClusterErrorY () const

int	maxPixelCol () const

int	maxPixelRow () const

int	minPixelCol () const

int	minPixelRow () const

bool	overflow () const

bool	overflowCol () const

bool	overflowRow () const

void	packCol (uint16_t ymin, uint16_t yspan)

void	packRow (uint16_t xmin, uint16_t xspan)

Pixel	pixel (int i) const

const std::vector< uint16_t > &	pixelADC () const

const std::vector< uint8_t > &	pixelOffset () const

const std::vector< Pixel >	pixels () const

int	rowSpan () const

void	setSplitClusterErrorX (float errx)

void	setSplitClusterErrorY (float erry)

	SiPixelCluster ()

	SiPixelCluster (unsigned int isize, uint16_t const adcs, uint16_t const xpos, uint16_t const *ypos, uint16_t const xmin, uint16_t const ymin)

	SiPixelCluster (const PixelPos &pix, int adc)

int	size () const

int	sizeX () const

int	sizeY () const

void	verifyVersion () const
	mostly to be compatible for <610 More...

float	x () const

float	y () const

Static Public Attributes
static const unsigned int	MAXPOS =1023

static const unsigned int	MAXSPAN =63

static const unsigned int	POSBITS =10

static const unsigned int	SPANBITS =6

Static Private Member Functions
static int	overflow_ (uint16_t packed)

static uint16_t	pack_ (uint16_t zmin, unsigned short zspan)

static int	span_ (uint16_t packed)

Private Attributes
float	err_x

float	err_y

std::vector< uint16_t >	thePixelADC

uint16_t	thePixelCol

std::vector< uint8_t >	thePixelOffset

uint16_t	thePixelRow

Detailed Description

Pixel cluster – collection of neighboring pixels above threshold.

Pixel cluster – collection of pixels with ADC counts.

Class to contain and store all the topological information of pixel clusters: charge, global size, size and the barycenter in x and y local directions. It builds a vector of SiPixel (which is an inner class) and a container of channels.

March 2007: Edge methods moved to RectangularPixelTopology class (V.Chiochia) Feb 2008: Modify the Pixel class from float to shorts May 2008: Offset based packing (D.Fehling / A. Rizzi) Sep 2012: added Max back, removed detId (V.I.) sizeX and sizeY now clipped at 127

Class to contain and store all the topological information of pixel clusters: charge, global size, size and the barycenter in x and y local directions. It builds a vector of SiPixel (which is an inner class) and a container of channels.

March 2007: Edge pixel methods moved to RectangularPixelTopology (V.Chiochia) May 2008: Offset based packing (D.Fehling / A. Rizzi)

Author: Petar Maksimovic, JHU

Definition at line 33 of file SiPixelCluster.h.

Member Typedef Documentation

typedef std::vector<PixelDigi>::const_iterator SiPixelCluster::PixelDigiIter

Definition at line 73 of file SiPixelCluster.h.

typedef std::pair<PixelDigiIter,PixelDigiIter> SiPixelCluster::PixelDigiRange

Definition at line 74 of file SiPixelCluster.h.

Constructor & Destructor Documentation

SiPixelCluster::SiPixelCluster ( )

inline

Construct from a range of digis that form a cluster and from a DetID. The range is assumed to be non-empty.

Definition at line 93 of file SiPixelCluster.h.

SiPixelCluster::SiPixelCluster	(	unsigned int	isize,
		uint16_t const *	adcs,
		uint16_t const *	xpos,
		uint16_t const *	ypos,
		uint16_t const	xmin,
		uint16_t const	ymin
	)

inline

Definition at line 95 of file SiPixelCluster.h.

SiPixelCluster::SiPixelCluster	(	const PixelPos &	pix,
		int	adc
	)

Definition at line 18 of file SiPixelCluster.cc.

References thePixelADC, and thePixelOffset.

                                                                           :
   thePixelRow(pix.row()),
   thePixelCol(pix.col()),
     // ggiurgiu@fnal.gov, 01/05/12
   // Initialize the split cluster errors to un-physical values.
   // The CPE will check these errors and if they are not un-physical, 
   // it will recognize the clusters as split and assign these (increased) 
   // errors to the corresponding rechit. 
   err_x(-99999.9),
   err_y(-99999.9)
 {
   // First pixel in this cluster.
   thePixelADC.push_back( adc );
   thePixelOffset.push_back(0 );
   thePixelOffset.push_back(0 );
 }

Member Function Documentation

void SiPixelCluster::add	(	const PixelPos &	pix,
		int	adc
	)

Definition at line 35 of file SiPixelCluster.cc.

References SiPixelCluster::PixelPos::col(), i, maxPixelCol(), maxPixelRow(), min(), minPixelCol(), minPixelRow(), overflowCol(), overflowRow(), packCol(), packRow(), SiPixelCluster::PixelPos::row(), thePixelADC, and thePixelOffset.

Referenced by counter.Counter::register().

                                                                     {
   
   int ominRow = minPixelRow();
   int ominCol = minPixelCol();
   bool recalculate = false;
   
   int minRow = ominRow;
   int minCol = ominCol;
   
   if (pix.row() < minRow) {
     minRow = pix.row();
     recalculate = true;
   }
   if (pix.col() < minCol) {
     minCol = pix.col();
     recalculate = true;
   }
   
   if (recalculate) {
     int maxCol = 0;
     int maxRow = 0;
     int isize = thePixelADC.size();
     for (int i=0; i<isize; ++i) {
       int xoffset = thePixelOffset[i*2]  + ominRow - minRow;
       int yoffset = thePixelOffset[i*2+1]  + ominCol -minCol;
       thePixelOffset[i*2] = std::min(63,xoffset);
       thePixelOffset[i*2+1] = std::min(63,yoffset);
       if (xoffset > maxRow) maxRow = xoffset; 
       if (yoffset > maxCol) maxCol = yoffset; 
     }
     packRow(minRow,maxRow);
     packCol(minCol,maxCol);
   }
   
   if ( (!overflowRow()) && pix.row() > maxPixelRow()) 
     packRow(minRow,pix.row()-minRow);
   
   if ( (!overflowCol()) && pix.col() > maxPixelCol())
     packCol(minCol,pix.col()-minCol);
   
   thePixelADC.push_back( adc );
   thePixelOffset.push_back( std::min(63,pix.row() - minRow) );
   thePixelOffset.push_back( std::min(63,pix.col() - minCol) );
 }

float SiPixelCluster::charge ( ) const

inline

Definition at line 145 of file SiPixelCluster.h.

int SiPixelCluster::colSpan ( ) const

inline

Definition at line 191 of file SiPixelCluster.h.

void SiPixelCluster::computeMax ( )

inline

moslty to be compatible for <610

Definition at line 218 of file SiPixelCluster.h.

float SiPixelCluster::getSplitClusterErrorX ( ) const

inline

Definition at line 239 of file SiPixelCluster.h.

float SiPixelCluster::getSplitClusterErrorY ( ) const

inline

Definition at line 240 of file SiPixelCluster.h.

int SiPixelCluster::maxPixelCol ( ) const

inline

Definition at line 156 of file SiPixelCluster.h.

Referenced by add(), and ClusterShape::determineShape().

int SiPixelCluster::maxPixelRow ( ) const

inline

Definition at line 154 of file SiPixelCluster.h.

Referenced by add(), and ClusterShape::determineShape().

int SiPixelCluster::minPixelCol ( ) const

inline

Definition at line 155 of file SiPixelCluster.h.

Referenced by add(), and ClusterShape::determineShape().

int SiPixelCluster::minPixelRow ( ) const

inline

Definition at line 153 of file SiPixelCluster.h.

Referenced by add(), and ClusterShape::determineShape().

bool SiPixelCluster::overflow ( ) const

inline

Definition at line 200 of file SiPixelCluster.h.

static int SiPixelCluster::overflow_ ( uint16_t packed )

inlinestaticprivate

Definition at line 184 of file SiPixelCluster.h.

bool SiPixelCluster::overflowCol ( ) const

inline

Definition at line 196 of file SiPixelCluster.h.

Referenced by add().

bool SiPixelCluster::overflowRow ( ) const

inline

Definition at line 198 of file SiPixelCluster.h.

Referenced by add().

static uint16_t SiPixelCluster::pack_	(	uint16_t	zmin,
		unsigned short	zspan
	)

inlinestaticprivate

Definition at line 185 of file SiPixelCluster.h.

void SiPixelCluster::packCol	(	uint16_t	ymin,
		uint16_t	yspan
	)

inline

Definition at line 202 of file SiPixelCluster.h.

Referenced by add().

void SiPixelCluster::packRow	(	uint16_t	xmin,
		uint16_t	xspan
	)

inline

Definition at line 205 of file SiPixelCluster.h.

Referenced by add().

Pixel SiPixelCluster::pixel ( int i ) const

inline

Definition at line 174 of file SiPixelCluster.h.

Referenced by ClusterShape::determineShape().

const std::vector<uint16_t>& SiPixelCluster::pixelADC ( ) const

inline

Definition at line 160 of file SiPixelCluster.h.

Referenced by ClusterShape::determineShape().

const std::vector<uint8_t>& SiPixelCluster::pixelOffset ( ) const

inline

Definition at line 159 of file SiPixelCluster.h.

const std::vector<Pixel> SiPixelCluster::pixels ( ) const

inline

Definition at line 163 of file SiPixelCluster.h.

int SiPixelCluster::rowSpan ( ) const

inline

Definition at line 193 of file SiPixelCluster.h.

void SiPixelCluster::setSplitClusterErrorX ( float errx )

inline

Definition at line 237 of file SiPixelCluster.h.

void SiPixelCluster::setSplitClusterErrorY ( float erry )

inline

Definition at line 238 of file SiPixelCluster.h.

int SiPixelCluster::size ( void ) const

inline

Definition at line 136 of file SiPixelCluster.h.

Referenced by TkPixelMeasurementDet::recHits().

int SiPixelCluster::sizeX ( ) const

inline

Definition at line 139 of file SiPixelCluster.h.

int SiPixelCluster::sizeY ( ) const

inline

Definition at line 142 of file SiPixelCluster.h.

static int SiPixelCluster::span_ ( uint16_t packed )

inlinestaticprivate

Definition at line 183 of file SiPixelCluster.h.

void SiPixelCluster::verifyVersion ( ) const

inline

mostly to be compatible for <610

Definition at line 212 of file SiPixelCluster.h.

float SiPixelCluster::x ( ) const

inline

Definition at line 119 of file SiPixelCluster.h.

float SiPixelCluster::y ( ) const

inline

Definition at line 127 of file SiPixelCluster.h.

Member Data Documentation

float SiPixelCluster::err_x

private

Definition at line 261 of file SiPixelCluster.h.

float SiPixelCluster::err_y

private

Definition at line 262 of file SiPixelCluster.h.

const unsigned int SiPixelCluster::MAXPOS =1023

static

Definition at line 86 of file SiPixelCluster.h.

const unsigned int SiPixelCluster::MAXSPAN =63

static

Definition at line 85 of file SiPixelCluster.h.

const unsigned int SiPixelCluster::POSBITS =10

static

Definition at line 83 of file SiPixelCluster.h.

const unsigned int SiPixelCluster::SPANBITS =6

static

Definition at line 84 of file SiPixelCluster.h.

std::vector<uint16_t> SiPixelCluster::thePixelADC

private

Definition at line 246 of file SiPixelCluster.h.

Referenced by add(), and SiPixelCluster().

uint16_t SiPixelCluster::thePixelCol

private

Definition at line 250 of file SiPixelCluster.h.

std::vector<uint8_t> SiPixelCluster::thePixelOffset

private

Definition at line 245 of file SiPixelCluster.h.

Referenced by add(), and SiPixelCluster().

uint16_t SiPixelCluster::thePixelRow

private

Definition at line 249 of file SiPixelCluster.h.

Classes

Public Types

Public Member Functions

Static Public Attributes

Static Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation