/* $Id$ */
-//*********************************************************
-// Segmentation classes for slat modules
-// This class works with local coordinates
-// of the slats via the class AliMUONGeometrySegmentation
-// This class contains the size of the slats and the
-// and the differents PCB densities.
-// (from old AliMUONSegmentationSlatModule)
-// Gines, Subatech, Nov04
-//*********************************************************
+/// \class AliMUONSt345SlatSegmentation
+/// \brief Segmentation classes for slat modules
+///
+/// This class works with local coordinates
+/// of the slats via the class AliMUONGeometrySegmentation
+/// This class contains the size of the slats and the
+/// and the differents PCB densities.
+/// (from old AliMUONSegmentationSlatModule)
+///
+/// Add electronics mapping - Christian, Subatech, Mai 05
+///
+/// \author Gines Martinez, Subatech, Nov04
#include <TArrayI.h>
#include <TArrayF.h>
#include "AliMUONSt345SlatSegmentation.h"
#include "AliLog.h"
+/// \cond CLASSIMP
ClassImp(AliMUONSt345SlatSegmentation)
-
+/// \endcond
AliMUONSt345SlatSegmentation::AliMUONSt345SlatSegmentation()
- : AliMUONVGeometryDESegmentation(),
+ : AliMUONVGeometryDESegmentation(),
fBending(0),
fId(0),
fNsec(0),
fNpx(999999),
fNpy(999999),
fWireD(0.0),
+ fRtype(0),
+ fSector(0),
+ fDxPCB(0.0),
+ fDyPCB(0.0),
+ fCy(0.0),
fXhit(0.),
fYhit(0.),
fIx(0),
fIxmin(0),
fIxmax(0),
fIymin(0),
- fIymax(0)
+ fIymax(0),
+ fXmin(0.0),
+ fXmax(0.0),
+ fYmin(0.0),
+ fYmax(0.0),
+ fInitDone(kFALSE)
{
- // default constructor
-
+/// Default constructor
+ AliDebug(1,Form("this=%p default (empty) ctor",this));
}
//___________________________________________
fNpx(999999),
fNpy(999999),
fWireD(0.25),
+ fRtype(0),
+ fSector(0),
+ fDxPCB(0.0),
+ fDyPCB(0.0),
+ fCy(0.0),
fXhit(0.),
fYhit(0.),
fIx(0),
fIxmin(0),
fIxmax(0),
fIymin(0),
- fIymax(0)
+ fIymax(0),
+ fXmin(0.0),
+ fXmax(0.0),
+ fYmin(0.0),
+ fYmax(0.0),
+ fInitDone(kFALSE)
{
- // Non default constructor
+/// Standard constructor
+
fNsec = 4; // 4 sector densities at most per slat
fNDiv = new TArrayI(fNsec);
fDpxD = new TArrayF(fNsec);
fDpyD = new TArrayF(fNsec);
(*fNDiv)[0]=(*fNDiv)[1]=(*fNDiv)[2]=(*fNDiv)[3]=0;
(*fDpxD)[0]=(*fDpxD)[1]=(*fDpxD)[2]=(*fDpxD)[3]=0;
- (*fDpyD)[0]=(*fDpyD)[1]=(*fDpyD)[2]=(*fDpyD)[3]=0;
-}
-//----------------------------------------------------------------------
-AliMUONSt345SlatSegmentation::AliMUONSt345SlatSegmentation(const AliMUONSt345SlatSegmentation& rhs)
-: AliMUONVGeometryDESegmentation(rhs),
- fBending(0),
- fId(0),
- fDpx(0),
- fDpy(0),
- fNpx(999999),
- fNpy(999999),
- fWireD(0.25),
- fXhit(0.),
- fYhit(0.),
- fIx(0),
- fIy(0),
- fX(0.),
- fY(0.),
- fIxmin(0),
- fIxmax(0),
- fIymin(0),
- fIymax(0)
-{
- // default constructor
+ (*fDpyD)[0]=(*fDpyD)[1]=(*fDpyD)[2]=(*fDpyD)[3]=0;
+ AliDebug(1,Form("this=%p ctor for bending=%d",this,fBending));
+
}
//----------------------------------------------------------------------
AliMUONSt345SlatSegmentation::~AliMUONSt345SlatSegmentation()
{
- // Destructor
- if (fNDiv) delete fNDiv;
- if (fDpxD) delete fDpxD;
- if (fDpyD) delete fDpyD;
-}
-//----------------------------------------------------------------------
-AliMUONSt345SlatSegmentation& AliMUONSt345SlatSegmentation::operator=(const AliMUONSt345SlatSegmentation& rhs)
-{
- // Protected assignement operator
- if (this == &rhs) return *this;
- AliFatal("Not implemented.");
- return *this;
-}
+/// Destructor
+ AliDebug(1, Form("dtor this = %p", this));
+
+ delete fNDiv;
+ delete fDpxD;
+ delete fDpyD;
+}
//------------------------------------------------------------------------
Float_t AliMUONSt345SlatSegmentation::Distance2AndOffset(Int_t iX, Int_t iY, Float_t X, Float_t Y, Int_t * /*dummy*/)
{
- // Returns the square of the distance between 1 pad
- // labelled by its Channel numbers and a coordinate
+/// Returns the square of the distance between 1 pad
+/// labelled by its Channel numbers and a coordinate
+
Float_t x,y;
GetPadC(iX,iY,x,y);
return (x-X)*(x-X) + (y-Y)*(y-Y);
//____________________________________________________________________________
Float_t AliMUONSt345SlatSegmentation::Dpx(Int_t isec) const
{
- // Return x-strip width
+/// Return x-strip width
+
return (*fDpxD)[isec];
}
//____________________________________________________________________________
Float_t AliMUONSt345SlatSegmentation::Dpy(Int_t isec) const
{
- // Return y-strip width
+/// Return y-strip width
+
return (*fDpyD)[isec];
}
//_____________________________________________________________________________
Float_t AliMUONSt345SlatSegmentation::GetAnod(Float_t xhit) const
{
- // Returns for a hit position xhit the position of the nearest anode wire
+/// Returns for a hit position xhit the position of the nearest anode wire
+
Float_t wire= (xhit>0)? Int_t(xhit/fWireD)+0.5:Int_t(xhit/fWireD)-0.5;
return fWireD*wire;
}
+//_____________________________________________________________________________
+Bool_t AliMUONSt345SlatSegmentation::HasPad(Int_t ix, Int_t iy)
+{
+/// Return true if pas with given indices exists
+ if ( ix < 1 || ix > Npx() || iy < 1 || iy > Npy() )
+ {
+ return kFALSE;
+ }
+ Int_t isec = Sector(ix,iy);
+ if ( isec == -1 )
+ {
+ return kFALSE;
+ }
+ if ( iy > fNpyS[isec] )
+ {
+ return kFALSE;
+ }
+ return kTRUE;
+}
//--------------------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y)
{
- if (ix<1 || ix>Npx() || iy<1 || iy>Npy() ){
+/// Returns real coordinates (x,y) for given pad coordinates (ix,iy)
+
+ if (ix < 1 || ix > Npx() || iy < 1 || iy > Npy() ){
AliWarning(Form("ix %d or iy %d out of boundaries: Npx=%d and Npy=%d",ix, iy, Npx(), Npy()));
- x=-99999.; y=-99999.;
- }
- else {
- // Returns real coordinates (x,y) for given pad coordinates (ix,iy)
+ x = y= 0.;
+
+ } else {
+
// Find sector isec
Int_t isec = Sector(ix,iy);
if (isec == -1) AliWarning(Form("isector = %d with ix %d, iy %d", isec, ix, iy));
if (iy > fNpyS[isec]) {
- x=-99999.; y=-99999.;
+ x = y = 0.;
return;
}
if (isec>0) {
x = x-(*fDpxD)[isec]/2;
y = Float_t(iy*(*fDpyD)[isec])-(*fDpyD)[isec]/2.- fCy; // !!!
} else {
- x=y=0;
+ x = y = 0;
}
}
}
//_____________________________________________________________________________
void AliMUONSt345SlatSegmentation::GetPadI(Float_t x, Float_t y, Int_t &ix, Int_t &iy)
{
-// Returns pad coordinates (ix,iy) for given real coordinates (x,y)
+/// Returns pad coordinates (ix,iy) for given real coordinates (x,y)
// Find sector isec
Int_t isec=-1;
for (Int_t i=fNsec-1; i > 0; i--) {
if (x >= fCx[i-1]) {
isec=i;
- if (fCx[isec] == fCx[isec-1] && isec > 1) isec--;
+ if (TMath::Abs(fCx[isec] - fCx[isec-1]) <0.1 && isec > 1) isec--;
break;
}
}
//-------------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::GetPadI(Float_t x, Float_t y , Float_t /*z*/, Int_t &ix, Int_t &iy)
{
+/// Returns pad coordinates (ix,iy) for given real coordinates (x,y)
+
GetPadI(x, y, ix, iy);
}
+
+
//_______________________________________________________________
void AliMUONSt345SlatSegmentation::SetPadDivision(Int_t ndiv[4])
{
- // Defines the pad size perp. to the anode wire (y) for different sectors.
- // Pad sizes are defined as integral fractions ndiv of a basis pad size
- // fDpx
- //
+/// Defines the pad size perp. to the anode wire (y) for different sectors.
+/// Pad sizes are defined as integral fractions ndiv of a basis pad size
+/// fDpx
+
for (Int_t i=0; i<4; i++) {
(*fNDiv)[i]=ndiv[i];
}
//____________________________________________________________________________
void AliMUONSt345SlatSegmentation::SetPadSize(Float_t p1, Float_t p2)
{
- // Sets the padsize
+/// Sets the padsize
+
fDpx=p1;
fDpy=p2;
}
//_______________________________________________________________
void AliMUONSt345SlatSegmentation::SetPcbBoards(Int_t n[4])
{
- //
- // Set PcbBoard segmentation zones for each density
- // n[0] PcbBoards for maximum density sector fNDiv[0]
- // n[1] PcbBoards for next density sector fNDiv[1] etc ...
+/// Set PcbBoard segmentation zones for each density
+/// n[0] slat type parameter
+/// n[1] PcbBoards for highest density sector fNDiv[1] etc ...
+
+ fRtype = n[0];
+ n[0] = 0;
for (Int_t i=0; i<4; i++) fPcbBoards[i]=n[i];
+
}
//-------------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::SetPad(Int_t ix, Int_t iy)
{
- //
- // Sets virtual pad coordinates, needed for evaluating pad response
- // outside the tracking program
+/// Sets virtual pad coordinates, needed for evaluating pad response
+/// outside the tracking program
+
GetPadC(ix,iy,fX,fY);
fSector=Sector(ix,iy);
}
//---------------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::SetHit(Float_t x, Float_t y)
{
- // Set current hit
- //
+/// Set current hit
+
fXhit = x;
fYhit = y;
- // if (x < 0) fXhit = 0;
-// if (y < 0) fYhit = 0;
+ if (x < fCx[0]) fXhit = fCx[0];
+ if (y < -fDyPCB/2.) fYhit = -fDyPCB/2.;
-// if (x >= fCx[fNsec-1]) fXhit = fCx[fNsec-1];
-// if (y >= fDyPCB) fYhit = fDyPCB;
+ if (x > fCx[fNsec-1]) fXhit = fCx[fNsec-1];
+ if (y > fDyPCB/2.) fYhit = fDyPCB/2.;
}
//----------------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::SetHit(Float_t xhit, Float_t yhit, Float_t /*zhit*/)
{
+/// Set current hit
+
SetHit(xhit, yhit);
}
//----------------------------------------------------------
void AliMUONSt345SlatSegmentation::FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy)
{
-// Initialises iteration over pads for charge distribution algorithm
-//
+/// Initialises iteration over pads for charge distribution algorithm
+
//
// Find the wire position (center of charge distribution)
- Float_t x0a=GetAnod(xhit);
- fXhit=x0a;
- fYhit=yhit;
+ Float_t x0a = GetAnod(xhit);
+ fXhit = x0a;
+ fYhit = yhit;
//
// and take fNsigma*sigma around this center
- Float_t x01=x0a - dx ;
- Float_t x02=x0a + dx;
- Float_t y01=yhit - dy;
- Float_t y02=yhit + dy;
-// if (x01 < 0) x01 = 0;
-// if (y01 < 0) y01 = 0;
+ Float_t x01 = x0a - dx ;
+ Float_t x02 = x0a + dx;
+ Float_t y01 = yhit - dy;
+ Float_t y02 = yhit + dy;
-// if (x02 >= fCx[fNsec-1]) x02 = fCx[fNsec-1];
+ // check the limits after adding (fNsigma*sigma)
+ if (x01 < fCx[0]) x01 = fCx[0];
+ if (y01 < -fDyPCB/2) y01 = -fDyPCB/2;
+
+ if (x02 >= fCx[fNsec-1]) x02 = fCx[fNsec-1]; // still ok ? (CF)
+ if (y02 >= fDyPCB/2.) y02 = fDyPCB/2.;
Int_t isec=-1;
for (Int_t i=fNsec-1; i > 0; i--) {
- if (x02 >= fCx[i-1]) {
- isec=i;
- if (fCx[isec] == fCx[isec-1] && isec > 1) isec--;
- break;
- }
+ if (x02 >= fCx[i-1]) {
+ isec=i;
+ if (TMath::Abs(fCx[isec] - fCx[isec-1]) < 0.1 && isec > 1) isec--;
+ break;
+ }
}
- y02 += Dpy(isec);
- if (y02 >= fDyPCB) y02 = fDyPCB;
+
+ // y02 += Dpy(isec);// why ? (CF)
//
// find the pads over which the charge distributes
if (fIxmin < 1) fIxmin = 1; // patch for the moment (Ch. Finck)
if (fIymin < 1) fIymin = 1;
- fXmin=x01;
- fXmax=x02;
- fYmin=y01;
- fYmax=y02;
+ fXmin = x01;
+ fXmax = x02;
+ fYmin = y01;
+ fYmax = y02;
//
// Set current pad to lower left corner
- if (fIxmax < fIxmin) fIxmax=fIxmin;
- if (fIymax < fIymin) fIymax=fIymin;
- fIx=fIxmin;
- fIy=fIymin;
+ if (fIxmax < fIxmin) fIxmax = fIxmin;
+ if (fIymax < fIymin) fIymax = fIymin;
+ fIx = fIxmin;
+ fIy = fIymin;
GetPadC(fIx,fIy,fX,fY);
- fSector=Sector(fIx,fIy);
-/*
- printf("\n \n First Pad: %d %d %f %f %d %d %d %f" ,
- fIxmin, fIxmax, fXmin, fXmax, fNpx, fId, isec, Dpy(isec));
- printf("\n \n First Pad: %d %d %f %f %d %d %d %f",
- fIymin, fIymax, fYmin, fYmax, fNpyS[isec], fId, isec, Dpy(isec));
-*/
+ fSector = Sector(fIx,fIy);
+
+ AliDebug(4,Form("xhit,yhit,dx,dy=%e,%e,%e,%e ix,iy=%3d,%3d",
+ xhit,yhit,dx,dy,fIx,fIy));
}
-
-
//----------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::FirstPad(Float_t xhit, Float_t yhit, Float_t /*zhit*/, Float_t dx, Float_t dy)
{
+/// Initialises iteration over pads for charge distribution algorithm
+
FirstPad(xhit, yhit, dx, dy);
}
//----------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::NextPad()
{
- // Stepper for the iteration over pads
- //
+/// Stepper for the iteration over pads
+
// Step to next pad in the integration region
// step from left to right
if (fIx != fIxmax) {
fIy++;
GetPadC(fIx,fIy,fX,fY);
fSector=Sector(fIx,fIy);
-
} else {
fIx=-999;
fIy=-999;
//-------------------------------------------------------------------------
Int_t AliMUONSt345SlatSegmentation::MorePads()
{
- // Stopping condition for the iterator over pads
- //
+/// Stopping condition for the iterator over pads
+
// Are there more pads in the integration region
return (fIx != -999 || fIy != -999);
//--------------------------------------------------------------------------
Int_t AliMUONSt345SlatSegmentation::Sector(Int_t ix, Int_t iy)
{
- //
- // Determine segmentation zone from pad coordinates
- //
- Int_t isec=-1;
- for (Int_t i=0; i < fNsec; i++) {
+/// Determine segmentation zone from pad coordinates
+
+ Int_t isec = -1;
+ for (Int_t i = 0; i < fNsec; i++) {
if (ix <= fNpxS[i]) {
- isec=i;
+ isec = i;
break;
}
}
- if (isec == -1) AliWarning(Form("Sector = %d with ix %d and iy %d, max padx %d",
- isec, ix, iy,fNpxS[3]));
+ if (isec == -1) AliWarning(Form("Sector = %d with ix %d and iy %d, Npx %d",
+ isec, ix, iy, fNpx));
return isec;
void AliMUONSt345SlatSegmentation::
IntegrationLimits(Float_t& x1,Float_t& x2,Float_t& y1, Float_t& y2)
{
- // Returns integration limits for current pad
- //
+/// Returns integration limits for current pad
+
x1=fXhit-fX-Dpx(fSector)/2.;
x2=x1+Dpx(fSector);
y1=fYhit-fY-Dpy(fSector)/2.;
y2=y1+Dpy(fSector);
- // printf("\n Integration Limits %f %f %f %f %d %f", x1, x2, y1, y2, fSector, Dpx(fSector));
+
+ AliDebug(4,Form("xhit,yhit=%e,%e x,y=%e,%e, x1,x2,y1,y2=%e,%e,%e,%e",fXhit,fYhit,fX,fY,x1,x2,y1,y2));
}
//-----------------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::
Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10])
{
- // Returns list of next neighbours for given Pad (iX, iY)
+/// Returns list of next neighbours for given Pad (iX, iY)
+
Int_t i=0;
// step right
if (iX+1 <= fNpx) {
//--------------------------------------------------------------------------
void AliMUONSt345SlatSegmentation::Init(Int_t detectionElementId)
{
- //
- // Fill the arrays fCx (x-contour) and fNpxS (ix-contour) for each sector
- // These arrays help in converting from real to pad co-ordinates and
- // vice versa
- //
- // Segmentation is defined by rectangular modules approximating
- // concentric circles as shown below
- //
+/// Fill the arrays fCx (x-contour) and fNpxS (ix-contour) for each sector
+/// These arrays help in converting from real to pad co-ordinates and
+/// vice versa
+///
+/// Segmentation is defined by rectangular modules approximating
+/// concentric circles as shown below
+
// PCB module size in cm
// printf("\n Initialise Segmentation SlatModule \n");
// printf(" fBending: %d \n",fBending);
+ if (fInitDone) return; // security if init is already done in AliMUONFactory
fDxPCB=40;
fDyPCB=40;
fNpyS[0] = 0;
fCx[0] = -totalLength/2;
} else {
- fNpxS[isec] = fNpxS[isec-1] + fPcbBoards[isec]*Int_t(fDxPCB/(*fDpxD)[isec]);
- fNpyS[isec] = Int_t(fDyPCB/(*fDpyD)[isec]);
+ fNpxS[isec] = fNpxS[isec-1] + fPcbBoards[isec]*Int_t(fDxPCB/(*fDpxD)[isec]+0.5);
+ fNpyS[isec] = Int_t(fDyPCB/(*fDpyD)[isec]+0.5);
if (fNpyS[isec] >= fNpy) fNpy = fNpyS[isec];
fCx[isec]= fCx[isec-1] + fPcbBoards[isec]*fDxPCB;
}
fCy = fDyPCB/2.;
//
fId = detectionElementId;
-}
-
-
-
-
-
-
-
-
-
-
+ fInitDone = kTRUE;
+}