[u/mrichter/AliRoot.git] / MUON / AliMUONchamber.cxx

#include "AliMUONchamber.h"
#include "TMath.h"
ClassImp(AliMUONchamber)	
    AliMUONchamber::AliMUONchamber() 
{
    fSegmentation = new TObjArray(2);
    fResponse=0;
    fnsec=1;
}

void AliMUONchamber::Init()
{
    
    ((AliMUONsegmentation *) (*fSegmentation)[0])->Init(this);
    if (fnsec==2) {
	((AliMUONsegmentation *) (*fSegmentation)[1])->Init(this);
    }
    
}

void AliMUONchamber::DisIntegration(Float_t eloss, Float_t xhit, Float_t yhit,
				    Int_t& nnew,Float_t newclust[6][500]) 
{
//    
//  Generates pad hits (simulated cluster) 
//  using the segmentation and the response model 
    Float_t dx, dy;
    //
    // Width of the integration area
    //
    dx=fResponse->SigmaIntegration()*fResponse->ChargeSpreadX();
    dy=fResponse->SigmaIntegration()*fResponse->ChargeSpreadY();
    //
    // Get pulse height from energy loss
    Float_t qtot = fResponse->IntPH(eloss);
    //
    // Loop Over Pads
    
    Float_t qcheck=0, qp;
    nnew=0;
    for (Int_t i=1; i<=fnsec; i++) {
	qcheck=0;
	AliMUONsegmentation * segmentation=(AliMUONsegmentation *) (*fSegmentation)[i-1];
	for (segmentation->FirstPad(xhit, yhit, dx, dy); 
	     segmentation->MorePads(); 
	     segmentation->NextPad()) 
	{
	    qp=fResponse->IntXY(segmentation);
	    qp=TMath::Abs(qp);
	    
//
//
	    if (qp > 1.e-4) {
		qcheck+=qp;
	    //
	    // --- store signal information
		newclust[0][nnew]=qtot;
		newclust[1][nnew]=segmentation->Ix();
		newclust[2][nnew]=segmentation->Iy();
		newclust[3][nnew]=qp * qtot;
		newclust[4][nnew]=segmentation->ISector();
		newclust[5][nnew]=(Float_t) i;
//		printf("\n pad hit %d %d %f %f \n",nnew,i,newclust[1][nnew],newclust[2][nnew]);
		nnew++;

		
	    }
	} // Pad loop
//	printf("\n check sum is %f %f %f %f %d \n",qcheck,qtot,xhit,yhit,fGid);
    } // Cathode plane loop
}


    void AliMUONchamber::InitGeo(Float_t zpos)
{
//    sensitive gas gap
      fdGas= 0.5;
//    3% radiation length of aluminum (X0=8.9 cm)      
      fdAlu= 3.0/100*8.9;
}
Commit	Line	Data
a897a37a	1	#include "AliMUONchamber.h"
	2	#include "TMath.h"
	3	ClassImp(AliMUONchamber)
	4	AliMUONchamber::AliMUONchamber()
	5	{
	6	fSegmentation = new TObjArray(2);
	7	fResponse=0;
	8	fnsec=1;
	9	}
	10
	11	void AliMUONchamber::Init()
	12	{
	13
	14	((AliMUONsegmentation ) (fSegmentation)[0])->Init(this);
	15	if (fnsec==2) {
	16	((AliMUONsegmentation ) (fSegmentation)[1])->Init(this);
	17	}
	18
	19	}
	20
	21	void AliMUONchamber::DisIntegration(Float_t eloss, Float_t xhit, Float_t yhit,
	22	Int_t& nnew,Float_t newclust[6][500])
	23	{
	24	//
	25	// Generates pad hits (simulated cluster)
	26	// using the segmentation and the response model
	27	Float_t dx, dy;
	28	//
	29	// Width of the integration area
	30	//
	31	dx=fResponse->SigmaIntegration()*fResponse->ChargeSpreadX();
	32	dy=fResponse->SigmaIntegration()*fResponse->ChargeSpreadY();
	33	//
	34	// Get pulse height from energy loss
	35	Float_t qtot = fResponse->IntPH(eloss);
	36	//
	37	// Loop Over Pads
	38
	39	Float_t qcheck=0, qp;
	40	nnew=0;
	41	for (Int_t i=1; i<=fnsec; i++) {
	42	qcheck=0;
	43	AliMUONsegmentation * segmentation=(AliMUONsegmentation ) (fSegmentation)[i-1];
	44	for (segmentation->FirstPad(xhit, yhit, dx, dy);
	45	segmentation->MorePads();
	46	segmentation->NextPad())
	47	{
	48	qp=fResponse->IntXY(segmentation);
	49	qp=TMath::Abs(qp);
	50
	51	//
	52	//
	53	if (qp > 1.e-4) {
	54	qcheck+=qp;
	55	//
	56	// --- store signal information
	57	newclust[0][nnew]=qtot;
	58	newclust[1][nnew]=segmentation->Ix();
	59	newclust[2][nnew]=segmentation->Iy();
	60	newclust[3][nnew]=qp * qtot;
	61	newclust[4][nnew]=segmentation->ISector();
	62	newclust[5][nnew]=(Float_t) i;
	63	// printf("\n pad hit %d %d %f %f \n",nnew,i,newclust[1][nnew],newclust[2][nnew]);
	64	nnew++;
65
66
67	}
68	} // Pad loop
69	// printf("\n check sum is %f %f %f %f %d \n",qcheck,qtot,xhit,yhit,fGid);
70	} // Cathode plane loop
71	}
72
73
74
75	void AliMUONchamber::InitGeo(Float_t zpos)
76	{
77	// sensitive gas gap
78	fdGas= 0.5;
79	// 3% radiation length of aluminum (X0=8.9 cm)
80	fdAlu= 3.0/100*8.9;
81	}