* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.4.4.3 2000/06/26 07:39:42 kowal2
-Changes to obey the coding rules
-
-Revision 1.4.4.2 2000/06/25 08:38:41 kowal2
-Splitted from AliTPCtracking
-
-Revision 1.4.4.1 2000/06/14 16:48:24 kowal2
-Parameter setting improved. Removed compiler warnings
-
-Revision 1.4 2000/04/17 09:37:33 kowal2
-removed obsolete AliTPCDigitsDisplay.C
-
-Revision 1.3.8.2 2000/04/10 08:40:46 kowal2
-
-Small changes by M. Ivanov, improvements of algorithms
-
-Revision 1.3.8.1 2000/04/10 07:56:53 kowal2
-Not used anymore - removed
-
-Revision 1.3 1999/10/05 17:15:46 fca
-Minor syntax for the Alpha OSF
-
-Revision 1.2 1999/09/29 09:24:34 fca
-Introduction of the Copyright and cvs Log
-
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
-// AliTPCPRF2D - //
+// AliTPCPRF2D - //
// Pad response function object in two dimesions //
// This class contains the basic functions for the //
// calculation of PRF according generic charge distribution //
// //
///////////////////////////////////////////////////////////////////////////////
+#include <Riostream.h>
+#include <TCanvas.h>
+#include <TClass.h>
+#include <TF2.h>
+#include <TH1.h>
+#include <TMath.h>
+#include <TPad.h>
+#include <TPaveText.h>
+#include <TStyle.h>
+#include <TText.h>
+#include <string.h>
-//
-
-#include "TMath.h"
+#include "AliH2F.h"
#include "AliTPCPRF2D.h"
-#include "TF2.h"
-#include <iostream.h>
-#include <string.h>
-#include "TCanvas.h"
-#include "TPad.h"
-#include "TStyle.h"
-#include "TH1.h"
-#include "TH2.h"
-#include "TPaveText.h"
-#include "TText.h"
-//
+
extern TStyle * gStyle;
-const Float_t AliTPCPRF2D::fgSQRT12=3.46;
-const Int_t AliTPCPRF2D::fgNPRF = 100;
+const Double_t AliTPCPRF2D::fgkDegtoRad = 0.01745329251994;
+const Double_t AliTPCPRF2D::fgkSQRT12=3.464101;
+const Int_t AliTPCPRF2D::fgkNPRF = 100;
static Double_t funGauss2D(Double_t *x, Double_t * par)
k2=(TMath::Pi()/2)*(1-k3R/2.);
k1=k2*k3R/(4*TMath::ATan(k3R));
l=x[1]/par[0];
- tan2=TMath::TanH(k2*l);
+ tan2=TMath::TanH(k2*l);
tan2*=tan2;
- res = res*k1*(1-tan2)/(1+k3*tan2);
+ res = res*k1*(1-tan2)/(1+k3*tan2);
return res;
}
ClassImp(AliTPCPRF2D)
AliTPCPRF2D::AliTPCPRF2D()
+ :TObject(),
+ fcharge(0),
+ fY1(0.),
+ fY2(0.),
+ fNYdiv(0),
+ fNChargeArray(0),
+ fChargeArray(0),
+ fHeightFull(0.),
+ fHeightS(0.),
+ fShiftY(0.),
+ fWidth(0.),
+ fK(0.),
+ fNPRF(0),
+ fNdiv(5),
+ fDStep(0.),
+ fKNorm(1.),
+ fInteg(0.),
+ fGRF(0),
+ fK3X(0.),
+ fK3Y(0.),
+ fPadDistance(0.),
+ fOrigSigmaX(0.),
+ fOrigSigmaY(0.),
+ fChargeAngle(0.),
+ fPadAngle(0.),
+ fSigmaX(0.),
+ fSigmaY(0.),
+ fMeanX(0.),
+ fMeanY(0.),
+ fInterX(0),
+ fInterY(0),
+ fCurrentY(0.),
+ fDYtoWire(0.),
+ fDStepM1(0.)
{
//default constructor for response function object
- ffcharge = 0;
- fNPRF = fgNPRF ;
- fSigmaX = 0;
- fSigmaY = 0;
- fGRF = 0;
- fkNorm = 1;
- fOrigSigmaY=0;
- fOrigSigmaX=0;
- fNdiv = 5;
- //set daault angels
- fChargeAngle = 0;
- fCosAngle = 0;
+ fNPRF =fgkNPRF ;
+
//chewron default values
SetPad(0.8,0.8);
SetChevron(0.2,0.0,1.0);
SetY(-0.2,0.2,2);
+ SetInterpolationType(2,0);
}
-AliTPCPRF2D::AliTPCPRF2D(const AliTPCPRF2D &prf)
-{
- //
- memcpy(this, &prf, sizeof(prf));
- ffcharge = new Float_t[fNPRF*fNYdiv];
- memcpy(ffcharge,prf.ffcharge, fNPRF*fNYdiv);
- fGRF = new TF2(*(prf.fGRF));
-}
-
-AliTPCPRF2D & AliTPCPRF2D::operator = (const AliTPCPRF2D &prf)
-{
- //
- if (ffcharge) delete ffcharge;
- if (fGRF) delete fGRF;
- memcpy(this, &prf, sizeof(prf));
- ffcharge = new Float_t[fNPRF*fNYdiv];
- memcpy(ffcharge,prf.ffcharge, fNPRF*fNYdiv);
- fGRF = new TF2(*(prf.fGRF));
- return (*this);
-}
-
-
AliTPCPRF2D::~AliTPCPRF2D()
{
- //
- if (ffcharge!=0) delete [] ffcharge;
- if (fGRF !=0 ) fGRF->Delete();
+ if (fChargeArray!=0) delete [] fChargeArray;
+ if (fGRF !=0 ) fGRF->Delete();
}
void AliTPCPRF2D::SetY(Float_t y1, Float_t y2, Int_t nYdiv)
//set virtual line position
//first and last line and number of lines
fNYdiv = nYdiv;
- if (ffcharge!=0) delete [] ffcharge;
- ffcharge = new Float_t[fNPRF*fNYdiv];
fY1=y1;
fY2=y2;
}
//set shaping of chewron parameters
fHeightS=hstep;
fShiftY=shifty;
- fK=fWidth*fac/hstep;
+ fK=fac;
}
void AliTPCPRF2D::SetChParam(Float_t width, Float_t height,
}
-Float_t AliTPCPRF2D::GetPRF(Float_t xin, Float_t yin, Bool_t inter)
+Float_t AliTPCPRF2D::GetPRF(Float_t xin, Float_t yin)
{
//function which return pad response
//for the charge in distance xin
//return cubic aproximation of PRF or PRF at nearest virtual wire
- if (ffcharge==0) return 0;
+ if (fChargeArray==0) return 0;
//transform position to "wire position"
Float_t y=fDYtoWire*(yin-fY1);
if (fNYdiv == 1) y=fY1;
//normaly it find nearest line charge
- if (inter ==kFALSE){
+ if (fInterY ==0){
Int_t i=Int_t(0.5+y);
if (y<0) i=Int_t(-0.5+y);
if ((i<0) || (i>=fNYdiv) ) return 0;
- fcharge = &(ffcharge[i*fNPRF]);
+ fcharge = &(fChargeArray[i*fNPRF]);
return GetPRFActiv(xin);
}
- else{
- //make interpolation from more fore lines
- Int_t i= Int_t(y);
- if ((i<0) || (i>=fNYdiv) ) return 0;
- Float_t z0=0;
- Float_t z1=0;
- Float_t z2=0;
- Float_t z3=0;
- if (i>0) {
- fcharge =&(ffcharge[(i-1)*fNPRF]);
- z0 = GetPRFActiv(xin);
- }
- fcharge =&(ffcharge[i*fNPRF]);
- z1=GetPRFActiv(xin);
- if ((i+1)<fNYdiv){
- fcharge =&(ffcharge[(i+1)*fNPRF]);
- z2 = GetPRFActiv(xin);
- }
- if ((i+2)<fNYdiv){
- fcharge =&(ffcharge[(i+2)*fNPRF]);
- z3 = GetPRFActiv(xin);
- }
- Float_t a,b,c,d,k,l;
- a=z1;
- b=(z2-z0)/2.;
- k=z2-a-b;
- l=(z3-z1)/2.-b;
- d=l-2*k;
- c=k-d;
- Float_t dy=y-Float_t(i);
- Float_t res = a+b*dy+c*dy*dy+d*dy*dy*dy;
- return res;
- }
- return 0.;
+ //make interpolation from more fore lines
+ Int_t i= Int_t(y);
+ Float_t res;
+ if ((i<0) || (i>=fNYdiv) ) return 0;
+ Float_t z0=0;
+ Float_t z1=0;
+ Float_t z2=0;
+ Float_t z3=0;
+ if (i>0) {
+ fcharge =&(fChargeArray[(i-1)*fNPRF]);
+ z0 = GetPRFActiv(xin);
+ }
+ fcharge =&(fChargeArray[i*fNPRF]);
+ z1=GetPRFActiv(xin);
+ if ((i+1)<fNYdiv){
+ fcharge =&(fChargeArray[(i+1)*fNPRF]);
+ z2 = GetPRFActiv(xin);
+ }
+ if ((i+2)<fNYdiv){
+ fcharge =&(fChargeArray[(i+2)*fNPRF]);
+ z3 = GetPRFActiv(xin);
+ }
+ Float_t a,b,c,d,k,l;
+ a=z1;
+ b=(z2-z0)/2.;
+ k=z2-a-b;
+ l=(z3-z1)/2.-b;
+ d=l-2*k;
+ c=k-d;
+ Float_t dy=y-Float_t(i);
+
+ res = a+b*dy+c*dy*dy+d*dy*dy*dy;
+ return res;
}
Float_t x = (xin*fDStepM1)+fNPRF/2;
Int_t i = Int_t(x);
- if ( (i>0) && ((i+2)<fNPRF)) {
+ if ( (i>1) && ((i+2)<fNPRF)) {
Float_t a,b,c,d,k,l;
a = fcharge[i];
b = (fcharge[i+1]-fcharge[i-1])*0.5;
{
//function which returnoriginal charge distribution
//this function is just normalised for fKnorm
- if (fGRF != 0 )
- return fkNorm*fGRF->Eval(xin,yin)/fInteg;
+ if (GetGRF() != 0 )
+ return fKNorm*GetGRF()->Eval(xin,yin)/fInteg;
else
return 0.;
}
//and pad size parameters
if (fGRF !=0 ) fGRF->Delete();
fGRF = GRF;
- fkNorm = kNorm;
- if (sigmaX ==0) sigmaX=(fWidth+fK*fHeightS)/fgSQRT12;
- if (sigmaY ==0) sigmaY=(fWidth+fK*fHeightS)/fgSQRT12;
+ fKNorm = kNorm;
+ sprintf(fType,"User");
+ if (sigmaX ==0) sigmaX=(fWidth*(1+TMath::Abs(fK)))/fgkSQRT12;
+ if (sigmaY ==0) sigmaY=(fWidth*(1+TMath::Abs(fK)))/fgkSQRT12;
fOrigSigmaX=sigmaX;
fOrigSigmaY=sigmaY;
- fDStep = TMath::Sqrt(sigmaX*sigmaX+fWidth*fWidth/6.)/10.;
- sprintf(fType,"User");
+ Double_t estimsigma =
+ TMath::Sqrt(sigmaX*sigmaX+(fWidth*fWidth*(1+TMath::Abs(fK))/12)+
+ TMath::Tan(fPadAngle*fgkDegtoRad)*TMath::Tan(fPadAngle*fgkDegtoRad)*fHeightFull*fHeightFull/12);
+ if (estimsigma < 5*sigmaX) {
+ fDStep = estimsigma/10.;
+ fNPRF = Int_t(estimsigma*8./fDStep);
+ }
+ else{
+ fDStep = sigmaX;
+ Double_t width = fWidth*(1+TMath::Abs(fK))+TMath::Abs(TMath::Tan(fPadAngle*fgkDegtoRad))*fHeightFull;
+ fNPRF = Int_t((width+8.*sigmaX)/fDStep);
+ };
+
}
//
// set parameters for Gauss generic charge distribution
//
- fkNorm = kNorm;
+ fKNorm = kNorm;
+ fOrigSigmaX=sigmaX;
+ fOrigSigmaY=sigmaY;
+ sprintf(fType,"Gauss");
if (fGRF !=0 ) fGRF->Delete();
- fGRF = new TF2("fun",funGauss2D,-5.,5.,-5.,5.,4);
+ fGRF = new TF2("funGauss2D",funGauss2D,-5.,5.,-5.,5.,4);
+
funParam[0]=sigmaX;
funParam[1]=sigmaY;
funParam[2]=fK;
funParam[3]=fHeightS;
- fOrigSigmaX=sigmaX;
- fOrigSigmaY=sigmaY;
- fGRF->SetParameters(funParam);
- fDStep = TMath::Sqrt(sigmaX*sigmaX+fWidth*fWidth/6.)/10.;
- //by default I set the step as one tenth of sigma
- sprintf(fType,"Gauss");
+
+ fGRF->SetParameters(funParam);
+ Double_t estimsigma =
+ TMath::Sqrt(sigmaX*sigmaX+(fWidth*fWidth*(1+TMath::Abs(fK))/12)+
+ TMath::Tan(fPadAngle)*TMath::Tan(fPadAngle*fgkDegtoRad)*fHeightFull*fHeightFull/12);
+ if (estimsigma < 5*sigmaX) {
+ fDStep = estimsigma/10.;
+ fNPRF = Int_t(estimsigma*8./fDStep);
+ }
+ else{
+ fDStep = sigmaX;
+ Double_t width = fWidth*(1+TMath::Abs(fK))+TMath::Abs(TMath::Tan(fPadAngle*fgkDegtoRad))*fHeightFull;
+ fNPRF = Int_t((width+8.*sigmaX)/fDStep);
+ };
+
+
}
-
void AliTPCPRF2D::SetCosh(Float_t sigmaX, Float_t sigmaY,
Float_t kNorm)
{
// set parameters for Cosh generic charge distribution
//
- fkNorm = kNorm;
+ fKNorm = kNorm;
+ fOrigSigmaX=sigmaX;
+ fOrigSigmaY=sigmaY;
+ sprintf(fType,"Cosh");
if (fGRF !=0 ) fGRF->Delete();
- fGRF = new TF2("fun", funCosh2D,-5.,5.,-5.,5.,4);
+ fGRF = new TF2("funCosh2D", funCosh2D,-5.,5.,-5.,5.,4);
funParam[0]=sigmaX;
funParam[1]=sigmaY;
funParam[2]=fK;
funParam[3]=fHeightS;
fGRF->SetParameters(funParam);
- fOrigSigmaX=sigmaX;
- fOrigSigmaY=sigmaY;
- fDStep = TMath::Sqrt(sigmaX*sigmaX+fWidth*fWidth/6.)/10.;
- //by default I set the step as one tenth of sigma
- sprintf(fType,"Cosh");
+
+ Double_t estimsigma = TMath::Sqrt(sigmaX*sigmaX+fWidth*fWidth*(1+TMath::Abs(fK))/12);
+ if (estimsigma < 5*sigmaX) {
+ fDStep = estimsigma/10.;
+ fNPRF = Int_t(estimsigma*8./fDStep);
+ }
+ else{
+ fDStep = sigmaX;
+ fNPRF = Int_t((1.2*fWidth*(1+TMath::Abs(fK))+8.*sigmaX)/fDStep);
+ };
+
}
void AliTPCPRF2D::SetGati(Float_t K3X, Float_t K3Y,
{
// set parameters for Gati generic charge distribution
//
- fkNorm = kNorm;
- if (fGRF !=0 ) fGRF->Delete();
- fGRF = new TF2("fun", funGati2D,-5.,5.,-5.,5.,5);
+ fKNorm = kNorm;
fK3X=K3X;
fK3Y=K3Y;
- fPadDistance=padDistance;
+ fPadDistance=padDistance;
+ sprintf(fType,"Gati");
+ if (fGRF !=0 ) fGRF->Delete();
+ fGRF = new TF2("funGati2D", funGati2D,-5.,5.,-5.,5.,5);
+
funParam[0]=padDistance;
funParam[1]=K3X;
funParam[2]=fK;
fGRF->SetParameters(funParam);
fOrigSigmaX=padDistance;
fOrigSigmaY=padDistance;
- fDStep = TMath::Sqrt(padDistance*padDistance+fWidth*fWidth/6.)/10.;
- //by default I set the step as one tenth of sigma
- sprintf(fType,"Gati");
+ Float_t sigmaX = fOrigSigmaX;
+ Double_t estimsigma = TMath::Sqrt(sigmaX*sigmaX+fWidth*fWidth*(1+TMath::Abs(fK))/12);
+ if (estimsigma < 5*sigmaX) {
+ fDStep = estimsigma/10.;
+ fNPRF = Int_t(estimsigma*8./fDStep);
+ }
+ else{
+ fDStep = sigmaX;
+ fNPRF = Int_t((1.2*fWidth*(1+TMath::Abs(fK))+8.*sigmaX)/fDStep);
+ };
}
if ( fGRF == 0 ) return;
//initialize interpolated values to 0
Int_t i;
- //Float_t x;
- for (i =0; i<fNPRF*fNYdiv;i++) ffcharge[i] = 0;
+ if (fChargeArray!=0) delete [] fChargeArray;
+ fChargeArray = new Float_t[fNPRF*fNYdiv];
+ fNChargeArray = fNPRF*fNYdiv;
+ for (i =0; i<fNPRF*fNYdiv;i++) fChargeArray[i] = 0;
//firstly calculate total integral of charge
////////////////////////////////////////////////////////
if (fNYdiv == 1) fCurrentY = fY1;
else
fCurrentY = fY1+Double_t(i)*(fY2-fY1)/Double_t(fNYdiv-1);
- fcharge = &(ffcharge[i*fNPRF]);
+ fcharge = &(fChargeArray[i*fNPRF]);
Update1();
}
//calculate conversion coefitient to convert position to virtual wire
UpdateSigma();
}
-
-
void AliTPCPRF2D::Update1()
{
//
//update fields with interpolated values for
//PRF calculation for given charge line
Int_t i;
- Double_t x,dx,ddx,ddy,dddx,dddy;
Double_t cos = TMath::Cos(fChargeAngle);
Double_t sin = TMath::Sin(fChargeAngle);
+ const Double_t kprec =0.00000001;
+ //integrate charge over pad for different distance of pad
+ for (i =0; i<fNPRF;i++){
+ //x in cm fWidth in cm
+ //calculate integral
+ Double_t xch = fDStep * (Double_t)(i-fNPRF/2);
+ fcharge[i]=0;
+ Double_t k=1;
- //integrate charge over pad for different distance of pad
- for (i =0; i<fNPRF;i++)
- {
- //x in cm fWidth in cm
- //calculate integral
- Double_t xch = fDStep * (Double_t)(i-fNPRF/2);
- Double_t k=1;
- fcharge[i]=0;
+
+ for (Double_t ym=-fHeightFull/2.-fShiftY; ym<fHeightFull/2.-kprec;ym+=fHeightS){
+ Double_t y2chev=TMath::Min((ym+fHeightS),Double_t(fHeightFull/2.)); // end of chevron step
+ Double_t y1chev= ym; //beginning of chevron step
+ Double_t y2 = TMath::Min(y2chev,fCurrentY+3.5*fOrigSigmaY);
+ Double_t y1 = TMath::Max((y1chev),Double_t(-fHeightFull/2.));
+ y1 = TMath::Max(y1chev,fCurrentY-3.5*fOrigSigmaY);
+
+ Double_t x0 = fWidth*(-1.-(Double_t(k)*fK))*0.5+ym*TMath::Tan(fPadAngle*fgkDegtoRad);
+ Double_t kx = Double_t(k)*(fK*fWidth)/fHeightS;
+ kx = TMath::Tan(TMath::ATan(kx))+TMath::Tan(fPadAngle*fgkDegtoRad);
+
+ Int_t ny = TMath::Max(Int_t(fNdiv*TMath::Exp(-(y1-fCurrentY)*(y1-fCurrentY)/(2*fOrigSigmaY*fOrigSigmaY))),4);
+ Double_t dy = TMath::Min(fOrigSigmaY/Double_t(ny),y2-y1);
+ Double_t ndy = dy;
+
+ //loop over different y strips with variable step size dy
+ if (y2>(y1+kprec)) for (Double_t y = y1; y<y2+kprec;){
+ //new step SIZE
- for (Double_t y=-fHeightFull/2.-fShiftY; //loop over chevron steps
- y<fHeightFull/2.;y+=fHeightS){
- Double_t y2=TMath::Min((y+fHeightS),Double_t(fHeightFull/2.));
- Double_t y1=TMath::Max((y),Double_t(-fHeightFull/2.));
- Double_t x1;
+ ny = TMath::Max(Int_t(fNdiv*TMath::Exp(-(y-fCurrentY)*(y-fCurrentY)/(2*fOrigSigmaY*fOrigSigmaY))),5);
+ ndy = fOrigSigmaY/Double_t(ny);
+ if (ndy>(y2-y-dy)) {
+ ndy =y2-y-dy;
+ if (ndy<kprec) ndy=2*kprec; //calculate new delta y
+ }
+ //
+ Double_t sumch=0;
+ //calculation of x borders and initial step
+ Double_t deltay = (y-y1chev);
+
+ Double_t xp1 = x0+deltay*kx;
+ //x begining of pad at position y
+ Double_t xp2 =xp1+fWidth; //x end of pad at position y
+ Double_t xp3 =xp1+kx*dy; //...at position y+dy
+ Double_t xp4 =xp2+kx*dy; //..
- if (k>0)
- x1 = (y2-y1)*fK-(fWidth+fK*fHeightS)/2.;
- else
- x1 =-(fWidth+fK*fHeightS)/2. ;
- Double_t x2=x1+fWidth;
-
- if (y2>y1) {
-
- if ((x2-x1)*fNdiv<fOrigSigmaX) dx=(x2-x1);
- else{
- dx= fOrigSigmaX/Double_t(fNdiv);
- dx = (x2-x1)/Double_t(Int_t(3.5+(x2-x1)/dx));
- }
- Double_t dy;
- if ((y2-y1)*fNdiv<fOrigSigmaY) dy=(y2-y1);
- else{
- dy= fOrigSigmaY/Double_t(fNdiv);
- dy = (y2-y1)/Double_t(Int_t(3.5+(y2-y1)/dy));
- }
- //integrate between x1 x2 and y1 y2
- for (x=x1;x<x2+dx/2.;x+=dx)
- for (Double_t y=y1;y<y2+dy/2.;y+=dy){
- if ( (y>(fCurrentY-(4.0*fOrigSigmaY))) &&
- (y<(fCurrentY+(4.0*fOrigSigmaY)))){
- Double_t xt=x-k*fK*(y-y1);
- if ((TMath::Abs(xch-xt)<4*fOrigSigmaX)){
-
- ddx = xch-(xt+dx/2.);
- ddy = fCurrentY-(y+dy/2.);
- dddx = cos*ddx-sin*ddy;
- dddy = sin*ddx+cos*ddy;
- Double_t z0=fGRF->Eval(dddx,dddy); //middle point
-
- ddx = xch-(xt+dx/2.);
- ddy = fCurrentY-(y);
- dddx = cos*ddx-sin*ddy;
- dddy = sin*ddx+cos*ddy;
- Double_t z1=fGRF->Eval(dddx,dddy); //point down
-
- ddx = xch-(xt+dx/2.);
- ddy = fCurrentY-(y+dy);
- dddx = cos*ddx-sin*ddy;
- dddy = sin*ddx+cos*ddy;
- Double_t z3=fGRF->Eval(dddx,dddy); //point up
-
- ddx = xch-(xt);
- ddy = fCurrentY-(y+dy/2.);
- dddx = cos*ddx-sin*ddy;
- dddy = sin*ddx+cos*ddy;
- Double_t z2=fGRF->Eval(dddx,dddy); //point left
-
- ddx = xch-(xt+dx);
- ddy = fCurrentY-(y+dy/2.);
- dddx = cos*ddx-sin*ddy;
- dddy = sin*ddx+cos*ddy;
- Double_t z4=fGRF->Eval(dddx,dddy); //point right
-
- if (z0<0) z0=0;
- if (z1<0) z1=0;
- if (z2<0) z2=0;
- if (z3<0) z3=0;
- if (z4<0) z4=0;
-
- Double_t c= (z3+z1-2*z0)/2.;
- Double_t d= (z2+z4-2*z0)/2.;
- Double_t z= (z0+c/12.+d/12.);
-
- if (z>0.) fcharge[i]+=fkNorm*z*dx*dy/fInteg;
- }
- }
- }
+ Double_t x1 = TMath::Min(xp1,xp3);
+ x1 = TMath::Max(xp1,xch-3.5*fOrigSigmaX); //beging of integration
+ Double_t x2 = TMath::Max(xp2,xp4);
+ x2 = TMath::Min(xp2+dy*kx,xch+3.5*fOrigSigmaX); //end of integration
+
+ Int_t nx = TMath::Max(Int_t(fNdiv*TMath::Exp(-(x1-xch)*(x1-xch)/(2*fOrigSigmaX*fOrigSigmaX))*
+ TMath::Exp(-(y1-fCurrentY)*(y1-fCurrentY)/(2*fOrigSigmaY*fOrigSigmaY))),2);
+ Double_t dx = TMath::Min(fOrigSigmaX/Double_t(nx),x2-x1)/5.; //on the border more iteration
+ Double_t ndx=dx;
+
+ if (x2>(x1+kprec)) {
+ for (Double_t x = x1; x<x2+kprec ;){
+ //new step SIZE
+ nx = TMath::Max(Int_t(fNdiv*TMath::Exp(-(x-xch)*(x-xch)/(2*fOrigSigmaX*fOrigSigmaX))),3);
+ ndx = fOrigSigmaX/Double_t(nx);
+ if (ndx>(x2-x-dx)) {
+ ndx =x2-x-dx;
}
- k*=-1;
- }
- };
+ if ( ( (x+dx+ndx)<TMath::Max(xp3,xp1)) || ( (x+dx+ndx)>TMath::Min(xp4,xp2))) {
+ ndx/=5.;
+ }
+ if (ndx<kprec) ndx=2*kprec;
+ //INTEGRAL APROXIMATION
+ Double_t ddx,ddy,dddx,dddy;
+ ddx = xch-(x+dx/2.);
+ ddy = fCurrentY-(y+dy/2.);
+ dddx = cos*ddx-sin*ddy;
+ dddy = sin*ddx+cos*ddy;
+ Double_t z0=fGRF->Eval(dddx,dddy); //middle point
+
+ ddx = xch-(x+dx/2.);
+ ddy = fCurrentY-(y);
+ dddx = cos*ddx-sin*ddy;
+ dddy = sin*ddx+cos*ddy;
+ Double_t z1=fGRF->Eval(dddx,dddy); //point down
+
+ ddx = xch-(x+dx/2.);
+ ddy = fCurrentY-(y+dy);
+ dddx = cos*ddx-sin*ddy;
+ dddy = sin*ddx+cos*ddy;
+ Double_t z3=fGRF->Eval(dddx,dddy); //point up
+
+ ddx = xch-(x);
+ ddy = fCurrentY-(y+dy/2.);
+ dddx = cos*ddx-sin*ddy;
+ dddy = sin*ddx+cos*ddy;
+ Double_t z2=fGRF->Eval(dddx,dddy); //point left
+
+ ddx = xch-(x+dx);
+ ddy = fCurrentY-(y+dy/2.);
+ dddx = cos*ddx-sin*ddy;
+ dddy = sin*ddx+cos*ddy;
+ Double_t z4=fGRF->Eval(dddx,dddy); //point right
+
+
+ if (z0<0) {z0=0;z1=0;z2=0;z3=0;z4=0;}
+
+ Double_t f2x= (z3+z1-2*z0)*4.;//second derivation in y
+ Double_t f2y= (z2+z4-2*z0)*4.;//second derivation in x
+ Double_t f1y= (z3-z1);
+ Double_t z ;
+ z = (z0+f2x/6.+f2y/6.);//second order aproxiation of integral
+ if (kx>kprec){ //positive derivation
+ if (x<(xp1+dy*kx)){ //calculate volume at left border
+ Double_t xx1 = x;
+ Double_t xx2 = TMath::Min(x+dx,xp1+dy*kx);
+ Double_t yy1 = y+(xx1-xp1)/kx;
+ Double_t yy2 = TMath::Min(y+(xx2-xp1)/kx,y+dy);
+ z=z0;
+ if (yy2<y+dy) {
+ z-= z0*(y+dy-yy2)/dy; //constant part rectangle
+ z-= f1y*(xx2-xx1)*(y+dy-yy2)*(y+dy-yy2)/(2.*dx*dy);
+ }
+ z-=z0*(xx2-xx1)*(yy2-yy1)/(2*dx*dy); //constant part rectangle
+
+ }
+ if (x>xp2){ //calculate volume at right border
+ Double_t xx1 = x;
+ Double_t xx2 = x+dx;
+ Double_t yy1 = y+(xx1-xp2)/kx;
+ Double_t yy2 = y+(xx2-xp2)/kx;
+ z=z0;
+ //rectangle part
+ z-=z0*(yy1-y)/dy; //constant part
+ z-=f1y*(xx2-xx1)*(yy1-y)*(yy1-y)/(2*dx*dy);
+ //triangle part
+ z-=z0*(xx2-xx1)*(yy2-yy1)/(2*dx*dy); //constant part
+ }
+ }
+ if (kx<-kprec){ //negative derivation
+ if (x<(xp1+dy*kx)){ //calculate volume at left border
+ Double_t xx1 = x;
+ Double_t xx2 = TMath::Min(x+dx,xp3-dy/kx);
+ Double_t yy1 = y+(xx1-xp1)/kx;
+ Double_t yy2 = TMath::Max(y,yy1+(xx2-xx1)/kx); //yy2<yy1
+ z = z0;
+ z-= z0*(yy2-y)/dy; // constant part rectangle
+ z-= f1y*(xx2-xx1)*(yy2-y)*(yy2-y)/(2.*dx*dy);
+ z-=z0*(xx2-xx1)*(yy1-yy2)/(2*dx*dy); //constant part triangle
+ }
+ if (x>xp2){ //calculate volume at right border
+ Double_t xx1 = TMath::Max(x,xp2+dy*kx);
+ Double_t xx2 = x+dx;
+ Double_t yy1 = TMath::Min(y+dy,y-(xp2-xx1)/kx);
+ Double_t yy2 = y-(xp2-xx2)/kx;
+ z=z0;
+ z-=z0*(yy2-y)/dy; //constant part rextangle
+ z-= f1y*(xx2-xx1)*(yy2-y)*(yy2-y)/(2.*dx*dy);
+ z-=z0*(xx2-xx1)*(yy1-yy2)/(2*dx*dy); //constant part triangle
+ }
+ }
+
+ if (z>0.) sumch+=fKNorm*z*dx*dy/fInteg;
+
+ x+=dx;
+ dx = ndx;
+ }; //loop over x
+ fcharge[i]+=sumch;
+ }//if x2>x1
+ y+=dy;
+ dy =ndy;
+ }//step over different y
+ k*=-1.;
+ }//step over chevron
+ }//step over different points on line NPRF
}
void AliTPCPRF2D::UpdateSigma()
// Stream an object of class AliTPCPRF2D
if (R__b.IsReading()) {
- Version_t R__v = R__b.ReadVersion(); if (R__v) { }
- TObject::Streamer(R__b);
- //read chewron parameters
- R__b >> fHeightFull;
- R__b >> fHeightS;
- R__b >> fShiftY;
- R__b >> fWidth;
- R__b >> fK;
- R__b >> fSigmaX;
- R__b >> fSigmaY;
- R__b >> fMeanX;
- R__b >> fMeanY;
- //read charge parameters
- R__b.ReadFastArray(fType,5);
- R__b >> fOrigSigmaX;
- R__b >> fOrigSigmaY;
- R__b >> fkNorm;
- R__b >> fK3X;
- R__b >> fK3Y;
- R__b >> fPadDistance;
- R__b >> fInteg;
+ UInt_t R__s, R__c;
+ Version_t R__v = R__b.ReadVersion(&R__s, &R__c);
+ AliTPCPRF2D::Class()->ReadBuffer(R__b, this, R__v, R__s, R__c);
//read functions
- if (fGRF!=0) {
- fGRF->Delete();
- fGRF=0;
- }
- if (strncmp(fType,"User",3)==0){
- fGRF= new TF2;
- R__b>>fGRF;
+ if (strncmp(fType,"User",3)!=0){
+ delete fGRF;
+ if (strncmp(fType,"Gauss",3)==0)
+ fGRF = new TF2("funGauss2D",funGauss2D,-5.,5.,-5.,5.,4);
+ if (strncmp(fType,"Cosh",3)==0)
+ fGRF = new TF2("funCosh2D",funCosh2D,-5.,5.,-5.,5.,4);
+ if (strncmp(fType,"Gati",3)==0)
+ fGRF = new TF2("funGati2D",funGati2D,-5.,5.,-5.,5.,5);
+ if (fGRF!=0) fGRF->SetParameters(funParam);
}
- if (strncmp(fType,"Gauss",3)==0)
- fGRF = new TF2("fun",funGauss2D,-5.,5.,-5.,5.,4);
- if (strncmp(fType,"Cosh",3)==0)
- fGRF = new TF2("fun",funCosh2D,-5.,5.,-5.,5.,4);
- if (strncmp(fType,"Gati",3)==0)
- fGRF = new TF2("fun",funGati2D,-5.,5.,-5.,5.,5);
- //read interpolation parameters
- R__b >>fY1;
- R__b >>fY2;
- R__b >>fNYdiv;
- R__b >>fDStep;
- R__b >>fNPRF;
- if (ffcharge!=0) delete [] ffcharge;
- ffcharge = new Float_t[fNPRF*fNYdiv];
- R__b.ReadFastArray(ffcharge,fNPRF*fNYdiv);
- R__b.ReadFastArray(funParam,5);
- if (fGRF!=0) fGRF->SetParameters(funParam);
//calculate conversion coefitient to convert position to virtual wire
fDYtoWire=Float_t(fNYdiv-1)/(fY2-fY1);
fDStepM1=1/fDStep;
} else {
- R__b.WriteVersion(AliTPCPRF2D::IsA());
- TObject::Streamer(R__b);
- //write chewron parameters
- R__b << fHeightFull;
- R__b << fHeightS;
- R__b << fShiftY;
- R__b << fWidth;
- R__b << fK;
- R__b << fSigmaX;
- R__b << fSigmaY;
- R__b << fMeanX;
- R__b << fMeanY;
- //write charge parameters
- R__b.WriteFastArray(fType,5);
- R__b << fOrigSigmaX;
- R__b << fOrigSigmaY;
- R__b << fkNorm;
- R__b << fK3X;
- R__b << fK3Y;
- R__b << fPadDistance;
- R__b << fInteg;
-
- if (strncmp(fType,"User",3)==0) R__b <<fGRF;
- //write interpolation parameters
- R__b <<fY1;
- R__b <<fY2;
- R__b <<fNYdiv;
- R__b <<fDStep;
- R__b <<fNPRF;
- R__b.WriteFastArray(ffcharge,fNPRF*fNYdiv);
- R__b.WriteFastArray(funParam,5);
+ AliTPCPRF2D::Class()->WriteBuffer(R__b,this);
}
}
-
-
-void AliTPCPRF2D::DrawX(Float_t x1 ,Float_t x2,Float_t y, Bool_t inter)
-{
- //draw pad response function at interval <x1,x2> at given y position
- if (fGRF==0) return ;
- const Int_t kN=100;
- char s[100];
- TCanvas * c1 = new TCanvas("canPRF","Pad response function",700,900);
- c1->cd();
- TPad * pad1 = new TPad("pad1PRF","",0.05,0.61,0.95,0.97,21);
- pad1->Draw();
- TPad * pad2 = new TPad("pad2PRF","",0.05,0.22,0.95,0.60,21);
- pad2->Draw();
-
- gStyle->SetOptFit(1);
- gStyle->SetOptStat(0);
- sprintf(s,"PRF response function for chevron pad");
- TH1F * hPRFc = new TH1F("hPRFc",s,kN+1,x1,x2);
+TH1F * AliTPCPRF2D::GenerDrawXHisto(Float_t x1, Float_t x2,Float_t y)
+{
+ //gener one dimensional hist of pad response function
+ // at position y
+ char s[100];
+ const Int_t kn=200;
+ sprintf(s,"Pad Response Function");
+ TH1F * hPRFc = new TH1F("hPRFc",s,kn+1,x1,x2);
Float_t x=x1;
Float_t y1;
- for (Float_t i = 0;i<kN+1;i++)
+ for (Int_t i = 0;i<kn+1;i++)
{
- x+=(x2-x1)/Float_t(kN);
- y1 = GetPRF(x,y,inter);
+ x+=(x2-x1)/Float_t(kn);
+ y1 = GetPRF(x,y);
hPRFc->Fill(x,y1);
};
+ hPRFc->SetXTitle("pad (cm)");
+ return hPRFc;
+}
- pad1->cd();
- fGRF->SetRange(x1,x1,x2,x2);
- fGRF->SetNpx(25);
- fGRF->SetNpy(25);
- fGRF->Draw("lego2");
- // hPRFo->Fit("gaus");
- gStyle->SetOptStat(1);
- pad2->cd();
- hPRFc->Fit("gaus");
- c1->cd();
+AliH2F * AliTPCPRF2D::GenerDrawHisto(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx, Int_t Ny)
+{
+ //
+ //gener two dimensional histogram with PRF
+ //
+ char s[100];
+ sprintf(s,"Pad Response Function");
+ AliH2F * hPRFc = new AliH2F("hPRFc",s,Nx,x1,x2,Ny,y1,y2);
+ Float_t dx=(x2-x1)/Float_t(Nx);
+ Float_t dy=(y2-y1)/Float_t(Ny) ;
+ Float_t x,y,z;
+ x = x1;
+ y = y1;
+ for ( Int_t i = 0;i<=Nx;i++,x+=dx){
+ y=y1;
+ for (Int_t j = 0;j<=Ny;j++,y+=dy){
+ z = GetPRF(x,y);
+ hPRFc->SetCellContent(i,j,z);
+ };
+ };
+ hPRFc->SetXTitle("pad direction (cm)");
+ hPRFc->SetYTitle("pad row direction (cm)");
+ hPRFc->SetTitleOffset(1.5,"X");
+ hPRFc->SetTitleOffset(1.5,"Y");
+ return hPRFc;
+}
+
+
+AliH2F * AliTPCPRF2D::GenerDrawDistHisto(Float_t x1, Float_t x2, Float_t y1, Float_t y2, Int_t Nx, Int_t Ny, Float_t thr)
+{
+ //return histogram with distortion
+ const Float_t kminth=0.00001;
+ if (thr<kminth) thr=kminth;
+ char s[100];
+ sprintf(s,"COG distortion of PRF (threshold=%2.2f)",thr);
+ AliH2F * hPRFDist = new AliH2F("hDistortion",s,Nx,x1,x2,Ny,y1,y2);
+ Float_t dx=(x2-x1)/Float_t(Nx);
+ Float_t dy=(y2-y1)/Float_t(Ny) ;
+ Float_t x,y,z,ddx;
+ x=x1;
+ for ( Int_t i = 0;i<=Nx;i++,x+=dx){
+ y=y1;
+ for(Int_t j = 0;j<=Ny;j++,y+=dy)
+ {
+ Float_t sumx=0;
+ Float_t sum=0;
+ for (Int_t k=-3;k<=3;k++)
+ {
+ Float_t padx=Float_t(k)*fWidth;
+ z = GetPRF(x-padx,y);
+ if (z>thr){
+ sum+=z;
+ sumx+=z*padx;
+ }
+ };
+ if (sum>kminth)
+ {
+ ddx = (x-(sumx/sum));
+ }
+ else ddx=-1;
+ if (TMath::Abs(ddx)<10) hPRFDist->SetCellContent(i,j,ddx);
+ }
+ }
+
+ hPRFDist->SetXTitle("pad direction (cm)");
+ hPRFDist->SetYTitle("pad row direction (cm)");
+ hPRFDist->SetTitleOffset(1.5,"X");
+ hPRFDist->SetTitleOffset(1.5,"Y");
+ return hPRFDist;
+}
+
+
+
+
+
+void AliTPCPRF2D::DrawX(Float_t x1 ,Float_t x2,Float_t y1,Float_t y2, Int_t N)
+{
+ //
+ //draw pad response function at interval <x1,x2> at given y position
+ //
+ if (N<0) return;
+ TCanvas * c1 = new TCanvas("PRFX","Pad response function",700,900);
+ c1->cd();
+
TPaveText * comment = new TPaveText(0.05,0.02,0.95,0.20,"NDC");
comment->SetTextAlign(12);
comment->SetFillColor(42);
- TText *title = comment->AddText("Chevron pad parameters:");
- title->SetTextSize(0.03);
- sprintf(s,"Full height of pad: %2.2f",fHeightFull);
- comment->AddText(s);
- sprintf(s,"Height of one chevron unit h: %2.2f cm",2*fHeightS);
- comment->AddText(s);
- sprintf(s,"Width of one chevron unit w: %2.2f cm",fWidth);
- comment->AddText(s);
- sprintf(s,"Overlap factor: %2.2f",fK*fHeightS/fWidth);
- comment->AddText(s);
- sprintf(s,"Y position: %2.2f ",y);
- comment->AddText(s);
- sprintf(s,"Sigma x of original distribution: %2.2f ",fOrigSigmaX);
- comment->AddText(s);
- sprintf(s,"Sigma y of original distribution: %2.2f ",fOrigSigmaY);
- comment->AddText(s);
- sprintf(s,"Type of original distribution: %s ",fType);
- comment->AddText(s);
+ DrawComment(comment);
comment->Draw();
+ c1->cd();
+
+ TPad * pad2 = new TPad("pPRF","",0.05,0.22,0.95,0.95);
+ pad2->Divide(2,(N+1)/2);
+ pad2->Draw();
+ gStyle->SetOptFit(1);
+ gStyle->SetOptStat(1);
+ for (Int_t i=0;i<N;i++){
+ char ch[200];
+ Float_t y;
+ if (N==1) y=y1;
+ else y = y1+i*(y2-y1)/Float_t(N-1);
+ pad2->cd(i+1);
+ TH1F * hPRFc =GenerDrawXHisto(x1, x2,y);
+ sprintf(ch,"PRF at wire position: %2.3f",y);
+ hPRFc->SetTitle(ch);
+ sprintf(ch,"PRF %d",i);
+ hPRFc->SetName(ch);
+ hPRFc->Fit("gaus");
+ }
+
}
-void AliTPCPRF2D::DrawPRF(Float_t x1 ,Float_t x2,Float_t y1, Float_t y2,
- Bool_t inter, Int_t Nx, Int_t Ny)
+void AliTPCPRF2D::DrawPRF(Float_t x1 ,Float_t x2,Float_t y1, Float_t y2, Int_t Nx, Int_t Ny)
{
- //Draw PRF in range x1,x2,y1,y2
- //with x binning Nx and y bining Ny
- char s[100];
- if (fGRF==0) return ;
+ //
+ //
TCanvas * c1 = new TCanvas("canPRF","Pad response function",700,900);
c1->cd();
- TPad * pad1 = new TPad("pad1PRF","",0.05,0.61,0.95,0.97,21);
- pad1->Draw();
- TPad * pad2 = new TPad("pad2PRF","",0.05,0.22,0.95,0.60,21);
- pad2->Draw();
-
- // pad1->cd();
- //pad2->cd();
+ TPad * pad2 = new TPad("pad2PRF","",0.05,0.22,0.95,0.95);
+ pad2->Draw();
gStyle->SetOptFit(1);
- gStyle->SetOptStat(0);
- sprintf(s,"PRF response function for chevron pad");
- TH2F * hPRFc = new TH2F("hPRFc",s,Nx+1,x1,x2,Ny+1,y1,y2);
- Float_t dx=(x2-x1)/Float_t(Nx);
- Float_t dy=(y2-y1)/Float_t(Ny) ;
- Float_t x,y,z;
- // Float_t y2;
- for ( x = x1;x<=x2;x+=dx){
- for(y = y1;y<=y2;y+=dy)
- {
- z = GetPRF(x,y,inter);
- hPRFc->Fill(x,y,z);
- };
- }
- pad1->cd();
- fGRF->SetRange(x1,y1,x2,y2);
- fGRF->SetNpx(25);
- fGRF->SetNpy(25);
- fGRF->Draw("lego2");
- // hPRFo->Fit("gaus");
gStyle->SetOptStat(1);
+ TH2F * hPRFc = GenerDrawHisto(x1, x2, y1, y2, Nx,Ny);
pad2->cd();
- hPRFc->Draw("lego2");
+ hPRFc->Draw("surf");
c1->cd();
TPaveText * comment = new TPaveText(0.05,0.02,0.95,0.20,"NDC");
comment->SetTextAlign(12);
comment->SetFillColor(42);
- TText *title = comment->AddText("Chevron pad parameters:");
- title->SetTextSize(0.03);
- sprintf(s,"Full height of pad: %2.2f",fHeightFull);
- comment->AddText(s);
- sprintf(s,"Height of one chevron unit h: %2.2f cm",2*fHeightS);
- comment->AddText(s);
- sprintf(s,"Width of one chevron unit w: %2.2f cm",fWidth);
- comment->AddText(s);
- sprintf(s,"Overlap factor: %2.2f",fK*fHeightS/fWidth);
- comment->AddText(s);
- sprintf(s,"Sigma x of original distribution: %2.2f ",fOrigSigmaX);
- comment->AddText(s);
- sprintf(s,"Sigma y of original distribution: %2.2f ",fOrigSigmaY);
- comment->AddText(s);
- sprintf(s,"Type of original distribution: %s ",fType);
- comment->AddText(s);
+ DrawComment(comment);
comment->Draw();
}
-void AliTPCPRF2D::DrawDist(Float_t x1 ,Float_t x2,Float_t y1, Float_t y2,
- Bool_t inter, Int_t Nx, Int_t Ny, Float_t thr)
+void AliTPCPRF2D::DrawDist(Float_t x1 ,Float_t x2,Float_t y1, Float_t y2, Int_t Nx, Int_t Ny, Float_t thr)
{
- //Draw COG (Centrum of Gravity) distortion for PRF in range x1,x2,y1,y2
- //with x binning Nx and y bining Ny
- //thr is the threshold for COG metheod
-
- const Float_t kminth=0.00001;
- if (thr<kminth) thr=kminth;
- char s[100];
- if (fGRF==0) return ;
+ //
+ //draw distortion of the COG method - for different threshold parameter
TCanvas * c1 = new TCanvas("padDistortion","COG distortion",700,900);
c1->cd();
- TPad * pad1 = new TPad("CHARGE","",0.05,0.61,0.95,0.97,21);
+ TPad * pad1 = new TPad("dist","",0.05,0.55,0.95,0.95,21);
pad1->Draw();
- TPad * pad2 = new TPad("dist","",0.05,0.22,0.95,0.60,21);
+ TPad * pad2 = new TPad("dist","",0.05,0.22,0.95,0.53,21);
pad2->Draw();
-
- // pad1->cd();
- //pad2->cd();
gStyle->SetOptFit(1);
gStyle->SetOptStat(0);
- sprintf(s,"COG distortion (threshold=%2.2f)",thr);
- TH2F * hPRFDist = new TH2F("hDistortion",s,Nx+1,x1,x2,Ny+1,y1,y2);
- Float_t dx=(x2-x1)/Float_t(Nx);
- Float_t dy=(y2-y1)/Float_t(Ny) ;
- Float_t x,y,z,ddx;
- // Float_t y2;
- for ( x = x1;x<(x2+3.1*dx);x+=dx)
- for(y = y1;y<(y2+3.1*dx);y+=dy)
- {
- Float_t sumx=0;
- Float_t sum=0;
- for (Int_t i=-3;i<=3;i++)
- // for (Float_t padx=-fWidth;padx<(fWidth*1.1);padx+=fWidth)
- {
- Float_t padx=Float_t(i)*fWidth;
- z = GetPRF(x-padx,y,inter);
- if (z>thr){
- sum+=z;
- sumx+=z*padx;
- }
- };
- if (sum>kminth)
- {
- ddx = (x-(sumx/sum));
- }
- else ddx=-1;
- if (TMath::Abs(ddx)<10) hPRFDist->Fill(x,y,ddx);
- }
+
+ AliH2F * hPRFDist = GenerDrawDistHisto(x1, x2, y1, y2, Nx,Ny,thr);
+
pad1->cd();
- fGRF->SetRange(x1,y1,x2,y2);
- fGRF->SetNpx(25);
- fGRF->SetNpy(25);
- fGRF->Draw("lego2");
- // hPRFo->Fit("gaus");
- // gStyle->SetOptStat(1);
- pad2->cd();
- hPRFDist->Draw("lego2");
+ hPRFDist->Draw("surf");
+ Float_t distmax =hPRFDist->GetMaximum();
+ Float_t distmin =hPRFDist->GetMinimum();
+ gStyle->SetOptStat(1);
+ TH1F * dist = hPRFDist->GetAmplitudes(distmin,distmax,distmin-1);
+ pad2->cd();
+ dist->Draw();
c1->cd();
TPaveText * comment = new TPaveText(0.05,0.02,0.95,0.20,"NDC");
comment->SetTextAlign(12);
comment->SetFillColor(42);
- // TText *title = comment->AddText("Distortion of COG method");
- // title->SetTextSize(0.03);
- TText * title = comment->AddText("Chevron pad parameters:");
+ DrawComment(comment);
+ comment->Draw();
+}
+
+void AliTPCPRF2D::DrawComment(TPaveText *comment)
+{
+ //
+ //function to write comment to picture
+
+ char s[100];
+ //draw comments to picture
+ TText * title = comment->AddText("Pad Response Function parameters:");
title->SetTextSize(0.03);
- sprintf(s,"Full height of pad: %2.2f",fHeightFull);
+ sprintf(s,"Height of pad: %2.2f cm",fHeightFull);
comment->AddText(s);
- sprintf(s,"Height of one chevron unit h: %2.2f cm",2*fHeightS);
+ sprintf(s,"Width pad: %2.2f cm",fWidth);
comment->AddText(s);
- sprintf(s,"Width of one chevron unit w: %2.2f cm",fWidth);
+ sprintf(s,"Pad Angle: %2.2f ",fPadAngle);
comment->AddText(s);
- sprintf(s,"Overlap factor: %2.2f",fK*fHeightS/fWidth);
- comment->AddText(s);
- sprintf(s,"Sigma x of original distribution: %2.2f ",fOrigSigmaX);
- comment->AddText(s);
- sprintf(s,"Sigma y of original distribution: %2.2f ",fOrigSigmaY);
- comment->AddText(s);
- sprintf(s,"Type of original distribution: %s ",fType);
- comment->AddText(s);
- comment->Draw();
+ if (TMath::Abs(fK)>0.0001){
+ sprintf(s,"Height of one chevron unit h: %2.2f cm",2*fHeightS);
+ comment->AddText(s);
+ sprintf(s,"Overlap factor: %2.2f",fK);
+ comment->AddText(s);
+ }
+
+ if (strncmp(fType,"User",3)==0){
+ sprintf(s,"Charge distribution - user defined function %s ",fGRF->GetTitle());
+ comment->AddText(s);
+ sprintf(s,"Sigma x of charge distribution: %2.2f ",fOrigSigmaX);
+ comment->AddText(s);
+ sprintf(s,"Sigma y of charge distribution: %2.2f ",fOrigSigmaY);
+ comment->AddText(s);
+ }
+ if (strncmp(fType,"Gauss",3)==0){
+ sprintf(s,"Gauss charge distribution");
+ comment->AddText(s);
+ sprintf(s,"Sigma x of charge distribution: %2.2f ",fOrigSigmaX);
+ comment->AddText(s);
+ sprintf(s,"Sigma y of charge distribution: %2.2f ",fOrigSigmaY);
+ comment->AddText(s);
+ }
+ if (strncmp(fType,"Gati",3)==0){
+ sprintf(s,"Gati charge distribution");
+ comment->AddText(s);
+ sprintf(s,"K3X of Gati : %2.2f ",fK3X);
+ comment->AddText(s);
+ sprintf(s,"K3Y of Gati: %2.2f ",fK3Y);
+ comment->AddText(s);
+ sprintf(s,"Wire to Pad Distance: %2.2f ",fPadDistance);
+ comment->AddText(s);
+ }
+ if (strncmp(fType,"Cosh",3)==0){
+ sprintf(s,"Cosh charge distribution");
+ comment->AddText(s);
+ sprintf(s,"Sigma x of charge distribution: %2.2f ",fOrigSigmaX);
+ comment->AddText(s);
+ sprintf(s,"Sigma y of charge distribution: %2.2f ",fOrigSigmaY);
+ comment->AddText(s);
+ }
+ sprintf(s,"Normalisation: %2.2f ",fKNorm);
+ comment->AddText(s);
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff