Reading

Author: Lukas Holub

README.md

@@ -1,2 +1,29 @@
 # 2010-minimumbias-trackvertex
 Validation code for 2010 MinimumBias dataset, based on track and vertex spectra
+
+You need to work in a Virtual Machine properly contextualized for CMS. Everything is available on the CERN Open Data Portal:
+http://opendata.cern.ch/VM/CMS/2010.
+
+In order to run the demoanalyzer_cfg.py to create the ROOT files, you need to create a working area and set up a proper 
+CMS environment. 
+
+## Creating the Working area
+
+This step is only needed the first time.
+
+'''
+cmsrel CMSSW_4_2_8
+''' 
+
+## Cloning the 2010-minimumbias-trackvertex repository from Github
+
+Type this command to change directory:
+
+'''
+cd CMSSW_4_2_8/src
+'''
+
+For cloning type:
+'''
+git clone https://github.com/cms-opendata-validation/2010-minimumbias-trackvertex Validation/TrackVertex_2010
+'''