Re: problem about TH2F array

There were at least 2 C++ bugs in your code. Fixed in the attachement

Rene Brun

On
Thu, 6 Apr 2006, Zhu FengRong wrote:

> hi everyone,
> I can suceed to get one hisgram of one asic file.like this:
>
> {
> int i=0,j,k;
> float sig[14][9];
> char filename[200];
> TH2D *SigMax = new TH2D("SigMax","",8,0,8,13,0,13);
> sprintf(filename,"%d.sigMax",i);//0.sigMax asic file exists in current
> dictory
> input=fopen(filename,"r");
> for(j=1;j<14;j++)
> for(k=1;k<9;k++)
> fscanf(input,"%f ",&sig[j][k]);
>
> for(j=13;j>=1;j--)
> for(k=1;k<=8;k++)
> SigMax->SetBinContent(k,j,sig[j][k]);
> }
> Now,I need to get many hisgrams,so I try to create a dimension array of
> hisgram like in the attchment,but I failed.
> Would you help me?Thank you in advance!
>
> with best wishes,
> Fengrong Zhu
> Institute of High Energy Physics,
> C.A.S P.R.C
> zhufr_at_ihep.ac.cn
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>