int TrdHSegmentR::Refit(int debug){
if(debug>0)
cout<<"TrdHSegmentR::Refit-I-Number of RawHits "<<nTrdRawHit()<<endl;
int lr=LinReg(debug);
int lay[20];for(int l=0;l!=20;l++)lay[l]=0;
float zmax=0.,zmin=200.;
int nhits=0;
for(int h=0;h!=nTrdRawHit();h++){
TRDHitRZD rzd=TRDHitRZD(*pTrdRawHit(h));
if(rzd.d!=d)continue;
if(rzd.z>zmax)zmax=rzd.z;
if(rzd.z<zmin)zmin=rzd.z;
for(int l=0;l!=20;l++){
if(fabs((rzd.z-85.275)/2.9-(float)l)<0.01)lay[l]++;
else if (fabs((rzd.z-85.275-1.45)/2.9 -(float)l)<0.01)lay[l]++;
}
nhits++;
}
int lsum=0;
for(int l=0;l!=20;l++)if(lay[l]>0)lsum++;
if(debug)
cout<<"TrdHSegmentR::Refit-I-linreg stat "<<lr<<" dz "<<zmax-zmin<<" layers "<<lsum<<endl;
if(lr==1&&zmax-zmin>8.&&lsum>2){
calChi2();
return 1;
}
else return 0;
}
/**
* Creates a pvl of various useful data obtained by the overlap statistics
* class. The pvl is returned in an output stream
*
* @param os The output stream to write to
* @param stats The OverlapStatistics object to write to os
* @return ostream Pvl of useful statistics
*/
std::ostream& operator<<(std::ostream &os, Isis::OverlapStatistics &stats) {
// Output the private variables
try {
PvlObject o ("OverlapStatistics");
PvlGroup gX ("File1");
PvlKeyword stsX ("StartSample", stats.StartSampleX());
PvlKeyword ensX ("EndSample", stats.EndSampleX());
PvlKeyword stlX ("StartLine", stats.StartLineX());
PvlKeyword enlX ("EndLine", stats.EndLineX());
PvlKeyword avgX ("Average");
PvlKeyword stdX ("StandardDeviation");
PvlKeyword varX ("Variance");
for (int band=1; band<=stats.Bands(); band++) {
if (stats.HasOverlap(band)) {
avgX += stats.GetMStats(band).X().Average();
stdX += stats.GetMStats(band).X().StandardDeviation();
varX += stats.GetMStats(band).X().Variance();
}
}
gX += stsX;
gX += ensX;
gX += stlX;
gX += enlX;
gX += avgX;
gX += stdX;
gX += varX;
PvlGroup gY ("File2");
PvlKeyword stsY ("StartSample", stats.StartSampleY());
PvlKeyword ensY ("EndSample", stats.EndSampleY());
PvlKeyword stlY ("StartLine", stats.StartLineY());
PvlKeyword enlY ("EndLine", stats.EndLineY());
PvlKeyword avgY ("Average");
PvlKeyword stdY ("StandardDeviation");
PvlKeyword varY ("Variance");
for (int band=1; band<=stats.Bands(); band++) {
if (stats.HasOverlap(band)) {
avgY += stats.GetMStats(band).Y().Average();
stdY += stats.GetMStats(band).Y().StandardDeviation();
varY += stats.GetMStats(band).Y().Variance();
}
}
gY += stsY;
gY += ensY;
gY += stlY;
gY += enlY;
gY += avgY;
gY += stdY;
gY += varY;
o += PvlKeyword("File1", stats.FilenameX().Name());
o += PvlKeyword("File2", stats.FilenameY().Name());
o += PvlKeyword("Width", stats.Samples());
o += PvlKeyword("Height", stats.Lines());
o += PvlKeyword("SamplingPercent", stats.SampPercent());
o.AddGroup(gX);
o.AddGroup(gY);
PvlKeyword cov ("Covariance");
PvlKeyword cor ("Correlation");
PvlKeyword valid ("ValidOverlap");
PvlKeyword val ("ValidPixels");
PvlKeyword inv ("InvalidPixels");
PvlKeyword tot ("TotalPixels");
for (int band=1; band<=stats.Bands(); band++) {
if (stats.HasOverlap(band)) {
std::string validStr = "false";
if (stats.IsValid(band)) validStr = "true";
valid += validStr;
cov += stats.GetMStats(band).Covariance();
cor += stats.GetMStats(band).Correlation();
val += stats.GetMStats(band).ValidPixels();
inv += stats.GetMStats(band).InvalidPixels();
tot += stats.GetMStats(band).TotalPixels();
}
}
o += valid;
o += cov;
o += cor;
o += val;
o += inv;
o += tot;
for (int band=1; band<=stats.Bands(); band++) {
if (stats.HasOverlap(band)) {
iString bandNum (band);
std::string bandStr = "LinearRegression" + bandNum;
PvlKeyword LinReg(bandStr);
double a,b;
try {
stats.GetMStats(band).LinearRegression(a,b);
LinReg += a;
LinReg += b;
}
catch (iException &e) {
// It is possible one of the overlaps was constant and therefore
// the regression would be a vertical line (x=c instead of y=ax+b)
e.Clear();
}
o += LinReg;
}
}
os << o << endl;
return os;
}
catch (iException &e) {
string msg = "Trivial overlap between [" + stats.FilenameX().Name();
msg += "] and [" + stats.FilenameY().Name() + "]";
throw iException::Message(iException::User,msg,_FILEINFO_);
}
}
