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LSST Data Management Base Package
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Public Member Functions | List of all members
lsst::jointcal::Histo2d Class Reference

#include <Histo2d.h>

Public Member Functions

 Histo2d ()
 
 Histo2d (int nx, float minx, float maxx, int ny, float miny, float maxy)
 
 Histo2d (const Histo2d &other)
 
void fill (float x, float y, float weight=1.)
 
double maxBin (double &x, double &y) const
 
void binWidth (double &Hdx, double &Hdy) const
 
double binContent (double x, double y) const
 
void zeroBin (double x, double y)
 
 ~Histo2d ()=default
 
void operator= (const Histo2d &right)=delete
 

Detailed Description

Definition at line 33 of file Histo2d.h.

Constructor & Destructor Documentation

◆ Histo2d() [1/3]

lsst::jointcal::Histo2d::Histo2d ( )
inline

Definition at line 35 of file Histo2d.h.

35: data() {}

◆ Histo2d() [2/3]

lsst::jointcal::Histo2d::Histo2d ( int nx,
float minx,
float maxx,
int ny,
float miny,
float maxy )

Definition at line 39 of file Histo2d.cc.

39 : data(nnx * nny, 0.) {
40 nx = nnx;
41 ny = nny;
42 minx = mminx;
43 miny = mminy;
44 if (mmaxx != mminx)
45 scalex = nx / (mmaxx - mminx);
46 else {
47 LOGL_WARN(_log, "Histo2d: minx = maxx requested");
48 scalex = 1.0;
49 }
50 if (mmaxy != mminy)
51 scaley = ny / (mmaxy - mminy);
52 else {
53 LOGL_WARN(_log, "Histo2d: maxy = miny requested");
54 scaley = 1.0;
55 }
56}
#define LOGL_WARN(logger, message...)
Log a warn-level message using a varargs/printf style interface.
Definition Log.h:547

◆ Histo2d() [3/3]

lsst::jointcal::Histo2d::Histo2d ( const Histo2d & other)

Definition at line 58 of file Histo2d.cc.

58 {
59 data = other.data;
60 nx = other.nx;
61 ny = other.ny;
62 minx = other.minx;
63 miny = other.miny;
64 scalex = other.scalex;
65 scaley = other.scaley;
66}
T data(T... args)

◆ ~Histo2d()

lsst::jointcal::Histo2d::~Histo2d ( )
default

Member Function Documentation

◆ binContent()

double lsst::jointcal::Histo2d::binContent ( double x,
double y ) const

Definition at line 102 of file Histo2d.cc.

102 {
103 int ix, iy;
104 if (indices(x, y, ix, iy)) return data[iy + ny * ix];
105 LOGL_WARN(_log, "Histo2D::binContent outside limits requested");
106 return -1e30;
107}
int y
Definition SpanSet.cc:48

◆ binWidth()

void lsst::jointcal::Histo2d::binWidth ( double & Hdx,
double & Hdy ) const
inline

Definition at line 44 of file Histo2d.h.

44 {
45 Hdx = 1. / scalex;
46 Hdy = 1. / scaley;
47 }

◆ fill()

void lsst::jointcal::Histo2d::fill ( float x,
float y,
float weight = 1. )

Definition at line 75 of file Histo2d.cc.

75 {
76 int ix, iy;
77 if (indices(x, y, ix, iy)) data[iy + ny * ix] += weight;
78}
afw::table::Key< double > weight

◆ maxBin()

double lsst::jointcal::Histo2d::maxBin ( double & x,
double & y ) const

Definition at line 80 of file Histo2d.cc.

80 {
81 int imax = 0;
82 float valmax = -1e30;
83
84 for (std::size_t i = 0; i < data.size(); i++) {
85 if (data[i] > valmax) {
86 valmax = data[i];
87 imax = i;
88 }
89 }
90 int ix = imax / ny;
91 int iy = imax - ix * ny;
92 x = minx + ((float)ix + 0.5) / scalex;
93 y = miny + ((float)iy + 0.5) / scaley;
94 return valmax;
95}
T size(T... args)

◆ operator=()

void lsst::jointcal::Histo2d::operator= ( const Histo2d & right)
delete

◆ zeroBin()

void lsst::jointcal::Histo2d::zeroBin ( double x,
double y )

Definition at line 97 of file Histo2d.cc.

97 {
98 int ix, iy;
99 if (indices(x, y, ix, iy)) data[iy + ny * ix] = 0;
100}

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