Re: multiple plots with multiple stat boxes in one canvas

Hi!

  It works.
Thanks!

Regards,
Francesca

>
> Hi Francesca,
>
> Try a gPad->Update() after the h_s->Draw(). The stat object is not created
> before the update.
>
> Cheers
> Eduard
>
> On Sun, 27 Feb 2011, francesca.belloni_at_ts.infn.it wrote:
>
>> Hi all!
>> I'm using ROOT 5.18 on my laptop.
>> I'd like to create multiple plots with multiple stat boxes in one canvas
>> and found http://home.fnal.gov/~asmoron/roottips.html#stat_box
>>
>> But actually it works just if I give commands from command line.
>> By using a routine, it does not work even if I try to modify just the
>> text
>> color of one stat box... The input file is really simple, since it is
>> just
>> a trial.
>>
>> #include <cstdlib>
>> #include <cstdio>
>> #include <iostream>
>> #include <fstream>
>> #include <string>
>> #include <vector>
>> #include <sstream>
>> #include <cmath>
>> #include "TColor.h"
>> #include "TStyle.h"
>> #include <TFile.h>
>> #include <TCanvas.h>
>> #include <TH2F.h>
>> #include <TSystem.h>
>> #include <TPave.h>
>> #include <TPaveStats.h>
>>
>> using namespace std;
>>
>>
>> void trial() {
>>
>>
>>
>> TFile *f_s=new TFile("file1.root","read");
>> TH1D*h_s=(TH1D*)f_s->Get("proj");
>> h_s->Draw();
>>
>> TPaveStats *p =
>> (TPaveStats*)h_s->GetListOfFunctions()->FindObject("stats");
>> p->SetColor(2);
>> p->Draw();
>> f_s->Close();
>>
>> }
>>
>>
>> By activating the gdb debugging, I obtain the following error message.
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x00007ffff32454cd in trial () at
>> /home/irfulx157/mnt/fbelloni/workspace/XYMG/Exp_Res/14_06_2010/beam_profile/./trial.C:30
>> 30 p->SetTextColor(2);
>> #0 0x00007ffff32454cd in trial () at
>> /home/irfulx157/mnt/fbelloni/workspace/XYMG/Exp_Res/14_06_2010/beam_profile/./trial.C:30
>> #1 0x00007ffff324556f in G__file5viCoV__0_2063 (result7=0x7fffffff69d0,
>> funcname=0x9c8430 "\001", libp=0x7fffffff01b0, hash=0)
>> at
>> /home/irfulx157/mnt/fbelloni/workspace/XYMG/Exp_Res/14_06_2010/beam_profile/./file5viCoV.cxx:68
>> #2 0x00007ffff6c067fd in G__call_cppfunc () from
>> /usr/lib/root/libCint.so.5.18
>> #3 0x00007ffff6be671f in G__interpret_func () from
>> /usr/lib/root/libCint.so.5.18
>> #4 0x00007ffff6bd8de1 in G__getfunction () from
>> /usr/lib/root/libCint.so.5.18
>> #5 0x00007ffff6bb9d72 in G__getitem () from
>> /usr/lib/root/libCint.so.5.18
>> #6 0x00007ffff6bc0479 in G__getexpr () from
>> /usr/lib/root/libCint.so.5.18
>> #7 0x00007ffff6bc6a88 in G__calc_internal () from
>> /usr/lib/root/libCint.so.5.18
>> #8 0x00007ffff6c39376 in G__process_cmd () from
>> /usr/lib/root/libCint.so.5.18
>> #9 0x00007ffff76678c0 in TCint::ProcessLine(char const*,
>> TInterpreter::EErrorCode*) () from /usr/lib/root/libCore.so.5.18
>> #10 0x00007ffff75d5fa2 in TApplication::ExecuteFile(char const*, int*)
>> ()
>> from /usr/lib/root/libCore.so.5.18
>> #11 0x00007ffff75d4973 in TApplication::ProcessLine(char const*, bool,
>> int*) () from /usr/lib/root/libCore.so.5.18
>> #12 0x00007ffff68dbe6e in TRint::Run(bool) () from
>> /usr/lib/root/libRint.so.5.18
>> #13 0x00000000004011bc in main ()
>> (gdb) info locals
>> f_s = 0x964c50
>> h_s = 0xb6f070
>> p = 0x0
>>
>>
>> Could anyone help me, please?
>>
>> Thank you,
>> regards,
>> Francesca
>>
>>
>
>
Received on Sun Feb 27 2011 - 16:19:26 CET