2020-03-10 15:06:51 +01:00

144 lines
3.7 KiB
C++

/* TODO! short description */
#include "SlsQt2DHist.h"
#include "ansi.h"
#include <cmath>
#include <iostream>
using std::cout;
using std::endl;
SlsQt2DHist::SlsQt2DHist(int nbinsx, double xmin, double xmax, int nbinsy,
double ymin, double ymax, double *d, double zmin,
double zmax)
: QwtRasterData() {
x_min = 0;
x_max = 0;
y_min = 0;
y_max = 0;
interp = 0;
nx_array = ny_array = 0;
data = nullptr;
SetData(nbinsx, xmin, xmax, nbinsy, ymin, ymax, d, zmin, zmax);
}
SlsQt2DHist::~SlsQt2DHist() { delete[] data; }
int SlsQt2DHist::GetBinIndex(int bx, int by) {
int b = bx * ny + by;
if (b < 0 || b >= nb) {
cout << "GetBinIndex:: Incorrect indicies bx and by returning overflow "
"bin;"
<< endl;
return nb;
}
return b;
}
int SlsQt2DHist::FindBinIndex(double x, double y) {
return GetBinIndex(int((x - x_min) / x_width), int((y - y_min) / y_width));
}
double SlsQt2DHist::GetBinValue(int bx, int by) {
return data[GetBinIndex(bx, by)];
}
void SlsQt2DHist::SetBinValue(int bx, int by, double v) {
z_mean_has_been_calculated = 0;
data[GetBinIndex(bx, by)] = v;
}
void SlsQt2DHist::SetData(int nbinsx, double xmin, double xmax, int nbinsy,
double ymin, double ymax, double *d, double zmin,
double zmax) {
z_mean_has_been_calculated = 0;
if (xmax < xmin || ymax < ymin)
cout << "Warning input range invalid." << endl;
x_width = (xmax - xmin) / nbinsx;
y_width = (ymax - ymin) / nbinsy;
if (x_min != xmin || x_max != xmax || y_min != ymin || y_max != ymax) {
x_min = xmin;
x_max = xmax;
y_min = ymin;
y_max = ymax;
setInterval(Qt::XAxis, QwtInterval(xmin, xmax));
setInterval(Qt::YAxis, QwtInterval(ymin, ymax));
}
if (nbinsx * nbinsy < 1) {
cout << "Exitting: SlsQt2DHist::SetData() number of bins must be "
"greater than zero."
<< endl;
exit(1);
}
if (nbinsx * nbinsy > nx_array * ny_array) {
delete[] data;
data = new double[nbinsx * nbinsy + 1]; // one for under/overflow bin
nx_array = nbinsx;
ny_array = nbinsy;
}
nx = nbinsx;
ny = nbinsy;
nb = nx * ny;
data[nb] = 0; // set over flow to zero
if (d) {
memcpy(data, d, nb * sizeof(double));
SetMinMax(zmin, zmax);
}
}
void SlsQt2DHist::SetMinMax(double zmin, double zmax) {
/* if(zmin<zmax){ edited out to test*/
if (zmax != -1) {
z_min = zmin;
z_max = zmax;
} else {
z_mean_has_been_calculated = 1;
z_min = data[0];
z_mean = 0;
z_max = data[0];
for (int i = 0; i < nb; i++) {
if (data[i] < z_min)
z_min = data[i];
if (data[i] > z_max)
z_max = data[i];
z_mean += data[i];
}
z_mean /= nb;
if (z_min > 0)
z_min /= 1.02;
else
z_min *= 1.02;
if (z_max > 0)
z_max *= 1.02;
else
z_max /= 1.02;
}
setInterval(Qt::ZAxis, QwtInterval(z_min, z_max));
}
double SlsQt2DHist::GetMean() {
if (!z_mean_has_been_calculated) {
z_mean_has_been_calculated = 1;
z_mean = 0;
for (int i = 0; i < nb; i++)
z_mean += data[i];
z_mean /= nb;
}
return z_mean;
}
double SlsQt2DHist::SetMinimumToFirstGreaterThanZero() {
z_min = fabs(z_max) + 1;
for (int i = 0; i < nb; i++) {
if (data[i] > 0 && data[i] < z_min)
z_min = data[i];
}
setInterval(Qt::ZAxis, QwtInterval(z_min, z_max));
return z_min;
}