Difference: TrackerAlignmentHowTo (44 vs. 45)

Revision 452012-03-12 - PalHidas

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META TOPICPARENT	name="TrackerAlignment"

Tracker Alignment How-To

Mille/Pede Tracker Alignment

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at this point the Deltas will be automatically applied (running TkAlCompareCommonTracker .Geom1-Geom2_cfg.py) to the ideal geometry in the output sqlite file: IDEAL+Deltas (change the inputs in the file according to the names) and a sqlite file is produced as output. This output could be used directly as starting geometry to be included in your alignment job, as we did for the one I produced for the MC scenario.

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How to create histograms after validation (Ádám)

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Validation from Ádám

Set up your working area

1, Set up the CMSSW version
cd /afs/cern.ch/cms/CAF/CMSALCA/ALCA_TRACKERALIGN/data/commonValidation/CMSSW_4_2_4_patch1

source /afs/cern.ch/user/a/agocsa/public/TrackerAlignment_setup_env.sh

of (if you want to use tcsh shell)

source /afs/cern.ch/user/k/krajczar/public/TrackerAlignment_setup_env.csh

2. Go to the validation area and create a new directory
cd /afs/cern.ch/cms/CAF/CMSALCA/ALCA_TRACKERALIGN/data/commonValidation/
mkdir <New_DIRECTORY>
cd <NEW_DIRECTORY>

3. Copy .root files
cp -r /afs/cern.ch/cms/CAF/CMSALCA/ALCA_TRACKERALIGN/data/commonValidation/test_agocs/Histograms .

Validations

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4. Modify the given .root files
According to All-in-One validation tool (https://twiki.cern.ch/twiki/bin/viewauth/CMS/TkAlAllInOneValidation

), there are 4 different validations. This recepie presents 3 of them (Offline validation, Geometry comparison and Track Splitting).

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4. Modify the given .root files (better root scripts, i.e. .C files???)
According to All-in-One validation tool (https://twiki.cern.ch/twiki/bin/viewauth/CMS/TkAlAllInOneValidation

), there are 4 different validations. This recepie presents 3 of them (Offline validation, Geometry comparison and Track Splitting).

Offline validation

4a. Offline validation
Scripts for offline validation can be found at <NEW_DIRECTORY>/Histograms/offline.

4a1. Modify and run TkAlExtendedOfflineValidation .C
Open TkAlExtendedOfflineValidation .C file with your favourite editor (e.i vi TkAlExtendedOfflineValidation ).

At line 11 there is a object decleration:
PlotAlignmentValidation p("/afs/cern.ch/cms/CAF/CMSALCA/ALCA_TRACKERALIGN/data/commonValidation/results/agocsa/New_Start/AlignmentValidation_IDEALplus_02Delta.root", "IDEALplus_02Delta MC_42_V15B", 1, 1);
At this line validation results of the first geometry can be defined with the following sintax:
PlotAlingmentValidation p(<Path_of_validation_result>, <Name_of_the_result>, <Color_of_line>, <Style_of_line>);

New validation results can be added with the following lines:
p.loadFileList("/afs/cern.ch/cms/CAF/CMSALCA/ALCA_TRACKERALIGN/data/commonValidation/results/agocsa/New_Start/AlignmentValidation_IDEALplus_033Delta.root", "IDEALplus_033Delta MC_42_V15B", 2, 1);

The sintax is the following:
p.loadFileList(<Path_of_validation_result>, <Name_of_the_result>, <Color_of_line>, <Style_of_line>);

Run TkAlExtendedOfflineValidation as
root -x -b -q TkAlExtendedOfflineValidation

4a2. Modify and run isosample_PlotTheResiduals_8geom.C
Open isosample_PlotTheResiduals_8geom.C with your favourite editor (e.i. vi isosample_PlotTheResiduals_8geom.C).

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