2016-11-22 11:06:05 +01:00

144 lines
3.2 KiB
C++

/**
* @author Ian Johnson
* @version 1.0
*/
#include <iostream>
#include <cmath>
#include "SlsQt2DHist.h"
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=0;
SetData(nbinsx,xmin,xmax,nbinsy,ymin,ymax,d,zmin,zmax);
}
SlsQt2DHist::~SlsQt2DHist(){if(data) 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;
#if QWT_VERSION<0x060000
setBoundingRect(QRectF(xmin,ymin,x_max-x_min,y_max-y_min));
#else
setInterval( Qt::XAxis,QwtInterval(xmin,xmax));
setInterval( Qt::YAxis,QwtInterval(ymin,ymax));
// setInterval( Qt::ZAxis,QwtInterval(zmin,zmax));
//setInterval( Qt::ZAxis,QwtInterval(0.,1.));
#endif
}
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){
if(data) 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){
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;
}
#if QWT_VERSION<0x060000
;
#else
setInterval( Qt::ZAxis,QwtInterval(z_min,z_max));
#endif
}
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];
}
#if QWT_VERSION<0x060000
;
#else
setInterval( Qt::ZAxis,QwtInterval(z_min,z_max));
#endif
return z_min;
}