Hi,
Please do not send your mail to multiple newsgroups.
see:
http://root.cern.ch/root/roottalk/RoottalkRules.html
check that your pointer h_mass[cc] is not null.
Rene Brun
On Tue, 5 Aug 2003,
Avdhesh Chandra wrote:
> Hi,
>
> I'm defining an array of histograms.
>
> TH1F *h_mass[20];
> h_mass[0] = new TH1F("0_hmass","all events ", nBins,minMass,maxMass);
> ..................................................................
>
> After filling them for all events, when I want to write them in rootfile,
> using:
> TFile *out1 = new TFile("Tagging_histo.root","RECREATE");
> out1->cd();
> for(int cc=0; cc<10; cc++) { h_mass[cc] -> Write(); }
>
> I get the following:
>
> *** Break *** segmentation violation
> Generating stack trace...
>
> 0x40191291 in TUnixSystem::StackTrace(void) at
> /cdf/scratch/jeffk/root_cutting/KCC_4_0-opt-thread-exception/root/unix/src/TUnixSystem.cxx:1358
> from
> /D0/ups/root/Linux-2-4/v3_05_00bKCC_4_0-exception-opt-thread/lib/libCore.so
> 0x40190600 in TUnixSystem::DispatchSignals(ESignals) at
> /cdf/scratch/jeffk/root_cutting/KCC_4_0-opt-thread-exception/root/unix/src/TUnixSystem.cxx:583
> from
> /D0/ups/root/Linux-2-4/v3_05_00bKCC_4_0-exception-opt-thread/lib/libCore.so
> 0x4018dc2a in <unknown> from
> /D0/ups/root/Linux-2-4/v3_05_00bKCC_4_0-exception-opt-thread/lib/libCore.so
> 0x4018dcaa in <unknown> from
> /D0/ups/root/Linux-2-4/v3_05_00bKCC_4_0-exception-opt-thread/lib/libCore.so
>
> I feel that the problem is only in writing the histos in a file.
>
> Can someone help me in solving this problem?
>
> Thanks in advance,
> Avdhesh
>
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