[Gate-users] RE: Save random flag versus ROOT output

Maria Holstensson Maria.Holstensson at icr.ac.uk
Thu Jan 31 10:53:07 CET 2008

Dear Marcin,

Thank you for your reply! Yes, at the moment my solution is the one you
suggest - to include the ROOT output. But my simulations are run on an
external grid, and because the files are so big it takes a long time to
download the output files. Therefore I delete the ROOT files before

Regarding the ASCII output, yes I have had a look at these in Excel and
they are truncated because the list is too long. But are they also
truncated when analysing them with C-scripts such as
benchmark_projections.c and benchmark_spectra.c? That wouldn't be

Thanks again,

>>> Marcin Balcerzyk <m.balcerzyk at pluri.ucm.es> 31/01/2008 08:49 >>>
Dear Maria.


I have a dirty solution to your problem. Once I checked whether adding
output gateSingles.dat and gateCoincidences.dat (without file size
limit) to
root output would slow my simulation which was running 10hrs of
of 10s. To my surprise it did not. I had only hits, coincidences and
in root file. So if you can afford the disk space, just leave root
files and
then delete them. 


My advice however is to process root files with root C code then to
with ASCII files. Excel can import only 65k rows.


Marcin Balcerzyk

Univesrsitad Complutense de Madrid

The Institute of Cancer Research: Royal Cancer Hospital, a charitable Company Limited by Guarantee, Registered in England under Company No. 534147 with its Registered Office at 123 Old Brompton Road, London SW7 3RP.

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