Re: TImageDump error (1)

Hi Akira,

I tested that your small test program produces a correct result with the CVS head,
ie the version 5.15/02 that I am just about to announce.

Rene Brun

OKUMURA, Akira wrote:
> Hello Olivier
>
> I ran the same code with OS X 10.4.8 (GCC 4.0.1) and ROOT ver. 5.14.
> Unlike the SL 4.4 environment, the code detects a signal and breaks.
> If I comment out the line of SetTopMargin, it runs. It seems that it
> depends on machine environment?
>
> $ g++ tmp.C `root-config --libs --cflags` -bind_at_load
> $ ./a.out
>
> *** Break *** bus error
>
> /Users/oxon/1152: No such file or directory.
> Attaching to process 1152.
> Reading symbols for shared libraries . done
> Reading symbols for shared libraries ..................... done
> 0x90032084 in wait4 ()
>
> ========== STACKS OF ALL THREADS ==========
>
> Thread 1 (process 1152 thread 0xd03):
> #0 0x90032084 in wait4 ()
> #1 0x90052d10 in system ()
> #2 0x0213bdd8 in TUnixSystem::StackTrace ()
> #3 0x0213fb94 in TUnixSystem::DispatchSignals ()
> #4 <signal handler called>
> #5 0x0360cccc in TASImage::DrawGlyph ()
> #6 0x005f5f5f in G__newtype ()
> #7 0x0360fe20 in TASImage::DrawText ()
> #8 0x00071504 in TImageDump::Text ()
> #9 0x013c69c0 in TLatex::Analyse ()
> #10 0x013c7a68 in TLatex::PaintLatex ()
> #11 0x01391958 in TGaxis::PaintAxis ()
> #12 0x03469550 in THistPainter::PaintAxis ()
> #13 0x0347322c in THistPainter::PaintTable ()
> #14 0x03468480 in THistPainter::Paint ()
> #15 0x02dbe4f4 in TPad::Paint ()
> #16 0x000042d4 in main ()
>
>
> Sincerely,
>
> OKUMURA, Akira oxon_at_icrr.u-tokyo.ac.jp
> Institute for Cosmic Ray Research, University of Tokyo
> 5-1-5 Kashiwanoha Kashiwa Chiba 277-8582 Japan
> Phone/Fax : +81 4-7136-3153
> Skype : okumura.akira
>
> On 2007/02/13, at 4:07, Olivier Couet wrote:
>
>> Hi,
>> Your macro works for me with the latest ROOT.
>>
>> -----Original Message-----
>> From: owner-roottalk_at_pcroot.cern.ch
>> [mailto:owner-roottalk_at_pcroot.cern.ch] On Behalf Of OKUMURA, Akira
>> Sent: Tuesday, February 13, 2007 2:18 PM
>> To: RootTalk
>> Subject: [ROOT] TImageDump error (1)
>>
>> Hello ROOTers,
>>
>> I wrote a short program which dumps a GIF image using TImageDump class.
>> I found that the line "can->SetLeftMargin(0)" caused a runtime error.
>> However Top/Bottom/Right work well. How can I avoid this error?
>>
>> The error message is;
>> *** glibc detected *** double free or corruption (!prev): 0x08fa63c8
>> ***Aborted
>>
>> ROOT version is 5.14 for SL 4.4
>>
>> Sincerely
>>
>> OKUMURA, Akira oxon_at_icrr.u-tokyo.ac.jp
>> Institute for Cosmic Ray Research, University of Tokyo
>> 5-1-5 Kashiwanoha Kashiwa Chiba 277-8582 Japan Phone/Fax : +81
>> 4-7136-3153 Skype : okumura.akira
>>
>> ========================================
>>
>> $ g++ test.cxx -o test `root-config --libs --cflags`
>>
>> ========================================
>>
>> #include "TImageDump.h"
>> #include "TCanvas.h"
>> #include "TH2D.h"
>>
>> int main()
>> {
>> TCanvas* can = new TCanvas("can", "can", 100, 100);
>> can->SetLeftMargin(0); // <= this cause an error
>> can->SetTopMargin(0);
>> can->SetRightMargin(0);
>> can->SetBottomMargin(0);
>>
>> TH2D* hist = new TH2D("hist", "hist", 1, 0, 1, 1, 0, 1);
>> hist->Draw();
>>
>> TImageDump dump("test.gif");
>> can->Paint();
>>
>> dump.Close();
>>
>> return 0;
>> }
>>
>>
>>
>>
Received on Wed Feb 14 2007 - 09:11:40 CET