Quiver.h

class Quiver

#include <Quiver.h>

Public Functions

Quiver(int nx, double xlo, double xhi, int ny, double ylo, double yhi)

~Quiver()

void Fill(double x, double y, double vx, double vy)

void Calculate()

void Draw(TCanvas *c = gPad->GetCanvas(), int pad = gPad->GetNumber())

void Reset()

void SetLevels(double min, double max)

void SetDrawOptions(bool drawMarkers, bool drawText)

void SetArrowParams(double arrowAngle, double arrowHead, int arrowWidth, double padding)

void SetTitle(const char *title)

void SaveAs(const char *filename)

Private Functions

double min(double x, double y)

double minSet(vector<double> x, int N)

double maxSet(vector<double> x, int N)

Private Members

int N

int k

int nx

double xlo

double xhi

int ny

double ylo

double yhi

bool canvasCreated

TCanvas *cQuiver

TH2D *h

TH2I *hCount

TH2D *hvx

TH2D *hvy

vector<double> x1

vector<double> y1

vector<double> vxk

vector<double> vyk

int nElements

vector<double> norm

double minWidth

double arrowLen

double factor

double minVal

double maxVal

bool drawMarkers

bool drawText

double arrowAngle

double arrowHead

int arrowWidth

double padding

bool setLevels

int nLevels

double *levels

int color

stringstream normStream

string normString

TArrow **a

TText **l

TMarker **m

double xLen

double yLen