680 lines
20 KiB
C++

#include "EtaVEL.h"
#include <iomanip>
// ClassImp(EtaVEL);
// double Median(const TH1D * histo1) {
// int numBins = histo1->GetXaxis()->GetNbins();
// Double_t *x = new Double_t[numBins];
// Double_t* y = new Double_t[numBins];
// for (int i = 0; i < numBins; i++) {
// x[i] = histo1->GetBinCenter(i);
// y[i] = histo1->GetBinContent(i);
// }
// return TMath::Median(numBins, x, y);
// }
double *EtaVEL::getPixelCorners(int x, int y){
double tlX,tlY,trX,trY,blX,blY,brX,brY;
tlX = xPPos[getCorner(x,y+1)];
tlY = yPPos[getCorner(x,y+1)];
trX = xPPos[getCorner(x+1,y+1)];
trY = yPPos[getCorner(x+1,y+1)];
blX = xPPos[getCorner(x,y)];
blY = yPPos[getCorner(x,y)];
brX = xPPos[getCorner(x+1,y)];
brY = yPPos[getCorner(x+1,y)];
//cout << "gPC: TL: " << getCorner(x,y+1) << " TR: " << getCorner(x+1,y+1) << " BL " << getCorner(x,y) << " BR " << getCorner(x+1,y) << endl;
double *c = new double[8];
c[0] = tlX; c[1] = trX; c[2] = brX; c[3] = blX;
c[4] = tlY; c[5] = trY; c[6] = brY; c[7] = blY;
return c;
}
int EtaVEL::findBin(double xx, double yy){
double tlX,tlY,trX,trY,blX,blY,brX,brY;
/********Added by anna ******/
// if (xx<min) xx=min+1E-6;
// if (xx>max) xx=max-1E-6;
// if (yy<min) yy=min+1E-6;
// if (yy>max) yy=max-1E-6;
/**************/
int bin = -1;
for(int x = 0; x < nPixels; x++){
for(int y = 0; y < nPixels; y++){
double *c = getPixelCorners(x,y);
tlX = c[0]; trX = c[1]; brX = c[2]; blX = c[3];
tlY = c[4]; trY = c[5]; brY = c[6]; blY = c[7];
///if(y == 0){
// cout << "x: " << x << " blY " << blY << " brY " << brY << endl;
//}
int out = 0;
double tb = 0;
double bb = 0;
double lb = 0;
double rb = 0;
if((trX-tlX)>0.)
tb = (trY - tlY)/(trX-tlX);
if((brX-blX)>0.)
bb = (brY - blY)/(brX-blX);
if((tlY-blY)>0.)
lb = (tlX - blX)/(tlY-blY);
if((trY-brY)>0.)
rb = (trX - brX)/(trY-brY);
double ty = tlY + tb * (xx - tlX);
double by = blY + bb * (xx - blX);
double lx = blX + lb * (yy - blY);
double rx = brX + rb * (yy - brY);
if(yy >= ty) out++;
if(yy < by) out++;
if(xx < lx) out++;
if(xx >= rx) out++;
//cout << "ty " << ty << endl;
//cout << "by " << by << endl;
//cout << "lx " << lx << endl;
//cout << "rx " << rx << endl;
//double dist = (xx - xPPos[getBin(x,y)]) * (xx - xPPos[getBin(x,y)]) + (yy - yPPos[getBin(x,y)]) * (yy - yPPos[getBin(x,y)]);
//cout << "x " << x << " y " << y << " out " << out << " ty " << ty << endl;
//cout << "tl " << tlX << "/" << tlY << " tr " << trX << "/" << trY << endl;
//cout << "bl " << blX << "/" << blY << " br " << brX << "/" << brY << endl;
//cout << " tb " << tb << endl;
delete[] c;
if(out == 0){ return getBin(x,y); }
}
}
return -1;
}
void EtaVEL::createLogEntry(){
if(it >= nIterations){
cerr << "log full" << endl;
}
log[it].itN = it;
log[it].xPos = new double[nPixels*nPixels+1];
log[it].yPos = new double[nPixels*nPixels+1];
log[it].binCont = new double[nPixels*nPixels+1];
for(int x = 0; x < nPixels; x++)
for(int y = 0; y < nPixels; y++){
log[it].xPos[getBin(x,y)] = xPPos[getBin(x,y)];
log[it].yPos[getBin(x,y)] = yPPos[getBin(x,y)];
log[it].binCont[getBin(x,y)] = binCont[getBin(x,y)];
}
it++;
}
void EtaVEL::updatePixelCorner(){
double w = 20;
int rows = (nPixels+1)*(nPixels+1) + 4 + 4 * 4;//(4*(nPixels+1))-4;
int cols = (nPixels+1)*(nPixels+1);
double *rVx = new double[rows];
double *rVy = new double[rows];
double *posMat = new double[rows*cols];
for(int i = 0 ; i < rows*cols; i++) posMat[i] = 0;
int boundaryPoint = 0;
cout << "linear sys stuff" << endl;
double minELength = 100000000000000; int minX=-1, minY=-1;
for(int y = 0; y < nPixels+1; y++){
for(int x = 0; x < nPixels+1; x++){
double bx = 0, by = 0;
//boundary conditions
if((x == 0 && y % 5 == 0) ||
(x == nPixels && y % 5 == 0) ||
(y == 0 && x % 5 == 0) ||
(y == nPixels && x % 5 == 0)){
bx = xPPos[getCorner(x,y)];
//cout << "bP " << boundaryPoint << " bx " << bx << endl;
by = yPPos[getCorner(x,y)];
rVx[(nPixels+1)*(nPixels+1) + boundaryPoint] = bx*w;
rVy[(nPixels+1)*(nPixels+1) + boundaryPoint] = by*w;
posMat[(nPixels+1)*(nPixels+1)*cols + boundaryPoint * cols + getCorner(x,y)-1] = w;
boundaryPoint++;
}
double tot = 4 - (x == 0) - (y == 0) - (x == nPixels) - (y == nPixels);
//cout << "totW: " << tot << endl;
//tot = 4.;
double eLength = 0;
if(x != 0) eLength += edgeL[getEdgeX(x-1,y)];
if(y != 0) eLength += edgeL[getEdgeY(x,y-1)];
if(x != nPixels) eLength += edgeL[getEdgeX(x,y)];
if(y != nPixels) eLength += edgeL[getEdgeY(x,y)];
/*cout << "Corner X:" <<x << " Y: " << y ;
cout << " C# " << getCorner(x,y);
cout << " eXl " << getEdgeX(x-1,y) << "(C# " << getCorner(x-1,y) << " ) ";
cout << " eXr " << getEdgeX(x,y) << "(C# " << getCorner(x+1,y) << " ) ";
cout << " eYb " << getEdgeY(x,y-1) << "(C# " << getCorner(x,y-1) << " ) ";
cout << " eYt " << getEdgeY(x,y) << "(C# " << getCorner(x,y+1) << " ) " << endl; */
//" totW: " << tot << " totE: " << eLength << endl;
if(eLength < minELength & tot == 4){
minELength = eLength;
minX = x; minY = y;
}
//matrixes updated
if(x != 0) posMat[y*(nPixels+1)*cols+x*cols+getCorner(x-1,y)-1] = -edgeL[getEdgeX(x-1,y)]/eLength;
if(y != 0) posMat[y*(nPixels+1)*cols+x*cols+getCorner(x,y-1)-1] = -edgeL[getEdgeY(x,y-1)]/eLength;;
if(x != nPixels) posMat[y*(nPixels+1)*cols+x*cols+getCorner(x+1,y)-1] = -edgeL[getEdgeX(x,y)]/eLength;;
if(y != nPixels) posMat[y*(nPixels+1)*cols+x*cols+getCorner(x,y+1)-1] = -edgeL[getEdgeY(x,y)]/eLength;;
posMat[y*(nPixels+1)*cols+x*cols+getCorner(x,y)-1] = 1.;
rVx[getCorner(x,y)-1] = 0.;
rVy[getCorner(x,y)-1] = 0.;
}
}
cout << "Min Corner X: " <<minX << " Y: " << minY << " C# " << getCorner(minX,minY) << " length " << minELength << endl;
TMatrixD *k = new TMatrixD(rows,cols);
TVectorD *fx = new TVectorD(rows,rVx);
TVectorD *fy = new TVectorD(rows,rVy);
// f->Print();
k->SetMatrixArray(posMat);
// k->Print();
//solve linear system
Bool_t ok;
TDecompSVD *s = new TDecompSVD(*k);
s->Solve(*fx);
s->Solve(*fy);
double *fxA = fx->GetMatrixArray();
double *fyA = fy->GetMatrixArray();
for(int y = 0; y < nPixels+1; y++){
for(int x = 0; x < nPixels+1; x++){
//do not update boundaries
if(!(x == 0 ||
x == nPixels||
y == 0 ||
y == nPixels)){
xPPos[getCorner(x,y)] = fxA[getCorner(x,y)-1];
yPPos[getCorner(x,y)] = fyA[getCorner(x,y)-1];
}
}
}
}
void EtaVEL::updatePixelPos(){
double xMov, yMov, d1Mov, d2Mov;
createLogEntry();
double *chMap = getChangeMap();
int ch =0;
cout << "update edge lengths" << endl;
for(int x = 0; x < nPixels; x++)
for(int y = 0; y < nPixels; y++){
/*cout << "Pixel X:" <<x << " Y: " << y << " P# " << getBin(x,y) << " eXb " << getEdgeX(x,y);
cout << " eXt " << getEdgeX(x,y+1) << " eYl " << getEdgeY(x,y) << " eYr " << getEdgeY(x+1,y) << endl;
*/
edgeL[getEdgeX(x,y)] *= chMap[getBin(x,y)];
edgeL[getEdgeX(x,y+1)] *= chMap[getBin(x,y)];
edgeL[getEdgeY(x,y)] *= chMap[getBin(x,y)];
edgeL[getEdgeY(x+1,y)] *= chMap[getBin(x,y)];
//cout << "Pixel x: " << x << " y: " << y << " Ch: " << chMap[getBin(x,y)] << " counts: " << binCont[getBin(x,y)] << endl;
//cout << "BE " << getEdgeX(x,y) << endl;
//cout << "TE " << getEdgeX(x,y+1) << endl;
//cout << "LE " << getEdgeY(x,y) << endl;
//cout << "RE " << getEdgeY(x+1,y) << endl;
binCont[getBin(x,y)] = 0;
}
updatePixelCorner();
//double *pSize = getSizeMap();
double totEdgeLength = 0;
for(int e = 1; e < 2*nPixels*(nPixels+1)+1; e++){
totEdgeLength += edgeL[e];
}
cout << "tot edge Length: " << totEdgeLength << endl;
totCont = 0.;
}
double *EtaVEL::getSizeMap(){
double tlX,tlY,trX,trY,blX,blY,brX,brY;
double *szMap = new double[nPixels*nPixels+1];
for(int x = 1; x < nPixels-1; x++)
for(int y = 1; y < nPixels-1; y++){
double *c = getPixelCorners(x,y);
tlX = c[0]; trX = c[1]; brX = c[2]; blX = c[3];
tlY = c[4]; trY = c[5]; brY = c[6]; blY = c[7];
//double area = dtl * dtr / 2. + dtr * dbr / 2. + dbr * dbl / 2. + dbl * dtl / 2.;
//http://en.wikipedia.org/wiki/Shoelace_formula
double sl1 = tlX * trY + trX * brY + brX * blY + blX * tlY;
double sl2 = tlY * trX + trY * brX + brY * blX + blY * tlX;
double area = 1./2. * (- sl1 + sl2);
if(area < 0.){
cout << "negative area: X " << x << " Y " << y << " area " << endl;
edgeL[getEdgeX(x,y)] *= 2.;
edgeL[getEdgeX(x,y+1)] *= 2.;
edgeL[getEdgeY(x,y)] *= 2.;
edgeL[getEdgeY(x+1,y)] *= 2.;
}
szMap[getBin(x,y)] = area / (max - min) / (max - min) * nPixels * nPixels;
delete[] c;
}
return szMap;
}
double *EtaVEL::getChangeMap(){
double *chMap = new double[nPixels*nPixels+1];
double avg = totCont/(double)(nPixels*nPixels);
// TH1D *hmed=getCounts();
// double med = Median(hmed);
// delete hmed;
double acc = TMath::Sqrt(avg);
cout << "totC: " << totCont << " avg " << avg << " acc: " << acc << endl;//<< " med " << med
double totOffAcc = 0.;
int totInRange03s = 0;
int totInRange07s = 0;
int totInRange12s = 0;
int totInRange20s = 0;
int totInRange25s = 0;
double dd;
int totInBins = 0;
//double
chi_sq=0;
int maxC = 0, maxX=-1, maxY=-1;
double minC = 1000000000000000, minX, minY;
for(int x = 0; x < nPixels; x++){
for(int y = 0; y < nPixels; y++){
totInBins += binCont[getBin(x,y)];
double r = (double)binCont[getBin(x,y)];
if(r > 0. & totCont > 0.){
dd=sqrt(r/avg);
/**Added by Anna */
if (dd>2.) dd=1.5;
if (dd<0.5) dd=0.75;
chMap[getBin(x,y)] = dd;
/** */
//if( chMap[getBin(x,y)] < 1.){ chMap[getBin(x,y)] = 1/1.2; }
//if( chMap[getBin(x,y)] > 1.){ chMap[getBin(x,y)] = 1.2; }
//if( chMap[getBin(x,y)] < 1/1.2){ chMap[getBin(x,y)] = 1/1.2; }
//if( chMap[getBin(x,y)] > 1.2){ chMap[getBin(x,y)] = 1.2; }
}else if(totCont > 0.){
chMap[getBin(x,y)] =0.5; //1/1.2;
}else{
chMap[getBin(x,y)] = 1.;
}
//if(r < avg + 2*acc && r > avg - 2*acc){ totInRange++;}// chMap[getBin(x,y)] = 1.; }
/** Commente away by Anna
if(converged == 0 && r < med+20*acc){ chMap[getBin(x,y)] = 1.; }
if(converged == 2 && r < med+20*acc && r > med-03*acc){ chMap[getBin(x,y)] = 1.; }
if(r < med+03*acc){ totInRange03s++; }
if(r < med+07*acc){ totInRange07s++; }
if(r < med+12*acc){ totInRange12s++; }
if(r < med+20*acc){ totInRange20s++; }
if(r < med+25*acc){ totInRange25s++; }
*/
//cout << "x " << x << " y " << y << " r " << r << " ch " << chMap[getBin(x,y)] << endl;
// if(r - avg > acc){ totOffAcc += r-avg;}
//if(r - avg < -acc){ totOffAcc += avg-r;}
totOffAcc += (avg-r)*(avg-r);
chi_sq+=(avg-r)*(avg-r)/r;
//cout << " x " << x << " y " << y << " bC " << binCont[x*nPixels+y] << " r " << r << endl;
if(r > maxC){ maxC = r; maxX = x; maxY = y; }
if(r < minC){minC = r; minX = x; minY = y; }
}
}
// cout << "totInBins " << totInBins << " zero Bin " << binCont[0] << endl;
cout << "AvgOffAcc: " << sqrt(totOffAcc/(double)(nPixels*nPixels)) << endl;
cout << "***********Reduced Chi Square: " << chi_sq/((double)(nPixels*nPixels)) << endl;
// cout << "totInRange03 (<" << med+03*acc << "): " << totInRange03s << endl;
// cout << "totInRange07 (<" << med+07*acc << "): " << totInRange07s << endl;
// cout << "totInRange12 (<" << med+12*acc << "): " << totInRange12s << endl;
// cout << "totInRange20 (<" << med+20*acc << "): " << totInRange20s << endl;
// cout << "totInRange25 (<" << med+25*acc << "): " << totInRange25s << endl;
double maxSig = (maxC - avg)*(maxC - avg) / avg;//acc;
double minSig = (avg - minC)*(avg - minC) / avg;//acc;
cout << "Max Pixel X: " << maxX << " Y: " << maxY << " P# " << getBin(maxX,maxY) << " count: " << maxC << " sig: "<< maxSig << endl;
cout << "Min Pixel X: " << minX << " Y: " << minY << " P# " << getBin(minX,minY) << " count: " << minC << " sig: "<< minSig << endl;
// if(maxSig <= 25){ converged = 2; cout << "reached first converstion step!!!" << endl; }
//if(minSig <= 7 && converged == 2) { converged = 1; }
if (chi_sq<3) converged=2;
if (chi_sq<1) converged=1;
cout << "Conversion step "<< converged << endl;
return chMap;
}
TH2D *EtaVEL::getContent(int it, int changeType){
TH2D *cont = new TH2D("cont","cont",nPixels,min,max,nPixels,min,max);
double *chMap = NULL;
if(changeType ==1) chMap = getChangeMap();
double *szMap = getSizeMap();
for(int x = 0; x < nPixels; x++)
for(int y = 0; y < nPixels; y++){
if(changeType ==2 ){
cont->SetBinContent(x+1,y+1,szMap[getBin(x,y)]);
}
if(changeType ==1 ){
cont->SetBinContent(x+1,y+1,chMap[getBin(x,y)]);
}
if(changeType ==0 ){
if(it == -1){
cont->SetBinContent(x+1,y+1,binCont[getBin(x,y)]);
//cout << "x " << x << " y " << y << " cont " << binCont[getBin(x,y)] << endl;
}
else{cont->SetBinContent(x+1,y+1,log[it].binCont[getBin(x,y)]);}
}
}
return cont;
}
TH1D *EtaVEL::getCounts(){
TH1D *ch = new TH1D("ch","ch",500,0,totCont/(nPixels*nPixels)*4);
for(int x = 0; x < nPixels; x++)
for(int y = 0; y < nPixels; y++){
ch->Fill(binCont[getBin(x,y)]);
}
return ch;
}
void EtaVEL::printGrid(){
double *colSum = new double[nPixels+1];
double *rowSum = new double[nPixels+1];
for(int i = 0; i < nPixels+1; i++){
colSum[i] = 0.;
rowSum[i] = 0.;
for(int j = 0; j < nPixels; j++){
rowSum[i] += edgeL[getEdgeX(j,i)];
colSum[i] += edgeL[getEdgeY(i,j)];
}
}
cout << endl;
cout.precision(3); cout << fixed;
cout << " ";
for(int x = 0; x < nPixels+1; x++){
cout << setw(2) << x << " (" << colSum[x] << ") ";
}
cout << endl;
for(int y = 0; y < nPixels+1; y++){
cout << setw(2) << y << " ";
for(int x = 0; x < nPixels+1; x++){
cout << "(" << xPPos[getCorner(x,y)] << "/" << yPPos[getCorner(x,y)] << ") " ;
if(x < nPixels) cout << " -- " << edgeL[getEdgeX(x,y)]/rowSum[y]*(max-min) << " -- ";
}
cout << " | " << rowSum[y] << endl;
if(y < nPixels){
cout << " ";
for(int x = 0; x < nPixels+1; x++){
cout << edgeL[getEdgeY(x,y)]/colSum[x]*(max-min) << " ";
}
cout << endl;
}
}
delete[] colSum;
delete[] rowSum;
}
TMultiGraph *EtaVEL::plotPixelBorder(int plotCenters){
TMultiGraph *mg = new TMultiGraph();
double cx[5], cy[5];
for(int x = 0; x < nPixels; x++)
for(int y = 0; y < nPixels; y++){
double *c = getPixelCorners(x,y);
cx[0]=c[0]; cx[1]=c[1]; cx[2]=c[2]; cx[3]=c[3]; cx[4]=c[0];
cy[0]=c[4]; cy[1]=c[5]; cy[2]=c[6]; cy[3]=c[7]; cy[4]=c[4];
TGraph *g = new TGraph(5,cx,cy);
mg->Add(g);
if(plotCenters){
g = new TGraph(1,&(xPPos[getBin(x,y)]),&(yPPos[getBin(x,y)]));
mg->Add(g);
}
delete[] c;
}
return mg;
}
TMultiGraph *EtaVEL::plotLog(int stepSize, int maxIt){
int mIt;
TMultiGraph *mg = new TMultiGraph();
double **xposl = new double*[nPixels*nPixels+1];
double **yposl = new double*[nPixels*nPixels+1];
if(maxIt==-1){ mIt = it; } else{ mIt = maxIt; };
cout << "mIt " << mIt << " steps " << mIt/stepSize << endl;
for(int x = 0; x < nPixels; x++){
for(int y = 0; y < nPixels; y++){
xposl[getBin(x,y)] = new double[mIt/stepSize];
yposl[getBin(x,y)] = new double[mIt/stepSize];
for(int i = 0; i < mIt/stepSize; i++){
xposl[getBin(x,y)][i] = log[i*stepSize].xPos[getBin(x,y)];
yposl[getBin(x,y)][i] = log[i*stepSize].yPos[getBin(x,y)];
}
TGraph *g = new TGraph(mIt/stepSize,xposl[getBin(x,y)],yposl[getBin(x,y)]);
g->SetLineColor((x*y % 9) + 1);
if(x == 0) g->SetLineColor(2);
if(y == 0) g->SetLineColor(3);
if(x == nPixels-1) g->SetLineColor(4);
if(y == nPixels-1) g->SetLineColor(5);
mg->Add(g);
}
}
return mg;
}
void EtaVEL::serialize(ostream &o){
// b.WriteVersion(EtaVEL::IsA());
char del = '|';
o << min << del;
o << max << del;
o << ds << del;
o << nPixels << del;
o << it << del;
o << totCont << del;
for(int i = 0; i < (nPixels+1)*(nPixels+1)+1; i++){
o << xPPos[i] << del;
o << yPPos[i] << del;
}
for(int i = 0; i < nPixels*nPixels+1; i++){
o << binCont[i] << del;
}
for(int i = 0; i < it; i++){
o << log[i].itN << del;
for(int j = 0; j < (nPixels+1)*(nPixels+1)+1; j++){
o << log[i].xPos[j] << del;
o << log[i].yPos[j] << del;
}
for(int j = 0; j < nPixels*nPixels+1; j++){
o << log[i].binCont[j] << del;
}
}
}
void EtaVEL::deserialize(istream &is){
delete[] xPPos;
delete[] yPPos;
delete[] binCont;
char del;
is >> min >> del;
is >> max >> del;
is >> ds >> del;
is >> nPixels >> del;
is >> it >> del;
is >> totCont >> del;
xPPos = new double[(nPixels+1)*(nPixels+1)+1];
yPPos = new double[(nPixels+1)*(nPixels+1)+1];
binCont = new double[nPixels*nPixels+1];
cout << "d";
for(int i = 0; i < (nPixels+1)*(nPixels+1)+1; i++){
is >> xPPos[i] >> del;
is >> yPPos[i] >> del;
}
cout << "d";
for(int i = 0; i < nPixels*nPixels+1; i++){
is >> binCont[i] >> del;
}
cout << "d";
for(int i = 0; i < it; i++){
is >> log[i].itN >> del;
log[i].xPos = new double[(nPixels+1)*(nPixels+1)+1];
log[i].yPos = new double[(nPixels+1)*(nPixels+1)+1];
log[i].binCont = new double[nPixels*nPixels+1];
for(int j = 0; j < (nPixels+1)*(nPixels+1)+1; j++){
is >> log[i].xPos[j] >> del;
is >> log[i].yPos[j] >> del;
}
for(int j = 0; j < nPixels*nPixels+1; j++){
is >> log[i].binCont[j] >> del;
}
cout << "d";
}
cout << endl;
}
void EtaVEL::Streamer(TBuffer &b){
if (b.IsReading()) {
Version_t v = b.ReadVersion();
delete[] xPPos;
delete[] yPPos;
delete[] binCont;
b >> min;
b >> max;
b >> ds;
b >> nPixels;
b >> it;
b >> totCont;
xPPos = new double[(nPixels+1)*(nPixels+1)+1];
yPPos = new double[(nPixels+1)*(nPixels+1)+1];
binCont = new double[nPixels*nPixels+1];
for(int i = 0; i < (nPixels+1)*(nPixels+1)+1; i++){
b >> xPPos[i];
b >> yPPos[i];
}
for(int i = 0; i < nPixels*nPixels+1; i++){
b >> binCont[i];
}
for(int i = 0; i < it; i++){
b >> log[i].itN;
log[i].xPos = new double[(nPixels+1)*(nPixels+1)+1];
log[i].yPos = new double[(nPixels+1)*(nPixels+1)+1];
log[i].binCont = new double[nPixels*nPixels+1];
for(int j = 0; j < (nPixels+1)*(nPixels+1)+1; j++){
b >> log[i].xPos[j];
b >> log[i].yPos[j];
}
for(int j = 0; j < nPixels*nPixels+1; j++){
b >> log[i].binCont[j];
}
}
} else {
b.WriteVersion(EtaVEL::IsA());
b << min;
b << max;
b << ds;
b << nPixels;
b << it;
b << totCont;
for(int i = 0; i < (nPixels+1)*(nPixels+1)+1; i++){
b << xPPos[i];
b << yPPos[i];
}
for(int i = 0; i < nPixels*nPixels+1; i++){
b << binCont[i];
}
for(int i = 0; i < it; i++){
b << log[i].itN;
for(int j = 0; j < (nPixels+1)*(nPixels+1)+1; j++){
b << log[i].xPos[j];
b << log[i].yPos[j];
}
for(int j = 0; j < nPixels*nPixels+1; j++){
b << log[i].binCont[j];
}
}
}
}