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• Current best guess at alignment of SVT
• Plate-and-pipe ECal flange
• ECal as surveyed

Adding a new detector

• ALWAYS create a new detector when you make changes to the geometry
• make a subdirectory of hps-detectors/detectors; name of the subdirectory is the name of the detector
• add name of the detector to detectors/taglist.txt
• copy from another detector: compact.xml, detector.properties, SamplingFractions
• in compact.xml: change name and comment in <info> block
• in detector.properties: change name, change ConditionsReader if necessary (TestRunConditionsReader for 2012 test run, HpsConditionsReader for 2014 run) - both of these lines are required
• use GeomConverter to make LCDD fileCreate the LCDD file for use in slic: see below

Using GeomConverter to make detector descriptions

Detector conversion can be done from the "detector-data" directory. It is convenient to set the environment variable GEOMCONVERTER to point to the GeomConverter jar:

export GEOMCONVERTER=/home/meeg/lcsim_svn/lcsim/detector-framework/target/lcsim-detector-framework-3.0.4-SNAPSHOT-bin.jar

Run the GeomConverter in hps-detectors to get lcdd files.  (You can also ask for heprep ...):

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Converting the compact.xml file to LCDD

Instructions for converting the compact.xml file to lcdd can be found at http://www.lcsim.org/sites/lcsim/lcsim-detector-framework/usage.html

Viewing LCDD

The LCDD file can be viewed directly using SLIC:

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