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community:hepsim:usage_download [2016/09/17 11:53]
asc 		community:hepsim:usage_download [2016/10/12 20:59] (current)
asc [Downloading truth-level files]
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 ======  How to download, view and find data ====== ======  How to download, view and find data ======
  
-======  Data formats ======+======  EVGEN events ======
 Truth-level (EVGEN) data are stored in a platform-independent format called [[http://atlaswww.hep.anl.gov/asc/promc/ | ProMC]] that allows very effective compression using a variable-byte encoding.  This data format is Truth-level (EVGEN) data are stored in a platform-independent format called [[http://atlaswww.hep.anl.gov/asc/promc/ | ProMC]] that allows very effective compression using a variable-byte encoding.  This data format is
 supported by popular programming languages (C++, Java, Python) on major  operating system (Windows, Mac, Linux, etc.). supported by popular programming languages (C++, Java, Python) on major  operating system (Windows, Mac, Linux, etc.).
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 hs-get tev100_higgs_ttbar_mg5 data hs-get tev100_higgs_ttbar_mg5 data
 </code> </code>
 +You will be prompted to use certain mirror (if there are alternative mirrors). Select the mirror and start downloading the files.
 +
 Alternatively, this example downloads files using the URL of the Info page: Alternatively, this example downloads files using the URL of the Info page:
 <code bash> <code bash>
Line 236: Line 238:
 hs-get http://mc.hep.anl.gov/asc/hepsim/events/pp/100tev/higgs_ttbar_mg5 data hs-get http://mc.hep.anl.gov/asc/hepsim/events/pp/100tev/higgs_ttbar_mg5 data
 </code> </code>
-All these examples will download all files from the "tev100_higgs_ttbar_mg5" event sample.+All these examples will download all files from the "tev100_higgs_ttbar_mg5" event sample. 
  
 +<note important>If you see that the download is slow, use an alternative URL from the mirror list which is given for each dataset.
 +</note>
  
 You can stop downloading using [Ctrt-D]. Next time you start it, it will continue the download. You can stop downloading using [Ctrt-D]. Next time you start it, it will continue the download.
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 hs-get  tev100_ttbar_mg5%rfast001 data 3 10 hs-get  tev100_ttbar_mg5%rfast001 data 3 10
 </code> </code>
-As before, one can also download the files using the URL:+ 
 +As before, one can also download the files using the URL approach:
 <code bash> <code bash>
 hs-ls http://mc.hep.anl.gov/asc/hepsim/events/pp/100tev/ttbar_mg5/rfast001/ # list all files hs-ls http://mc.hep.anl.gov/asc/hepsim/events/pp/100tev/ttbar_mg5/rfast001/ # list all files
 hs-get http://mc.hep.anl.gov/asc/hepsim/events/pp/100tev/ttbar_mg5/rfast001/ data hs-get http://mc.hep.anl.gov/asc/hepsim/events/pp/100tev/ttbar_mg5/rfast001/ data
 </code> </code>
 +Note that the reconstruction tag "rfast001" is separated by backslash as for the usual directory.
 +As before, the URL can be taken from the list with mirrors. For example, if you want to download  files from Nersc, use this URL:
  
 +<code bash>
 +hs-ls  http://portal.nersc.gov/project/m1758/data/events/pp/100tev/ttbar_mg5/rfast001/ # list all files
 +hs-get http://portal.nersc.gov/project/m1758/data/events/pp/100tev/ttbar_mg5/rfast001/ data
 +</code>
  
  
community/hepsim/usage_download.1474113204.txt.gz · Last modified: 2016/09/17 11:53 by asc

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