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The SLIC simulator package uses a low-level XML data format while the reconstruction uses a smaller, more targetted format called the "compact description". Using a compact geometry in the simulator requires converting it to LCDD first.

Building and Running GeomConverter

1. Follow the instructions in Building org.lcsim software to build the GeomConverter package.
2. Run the application

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   maven run

   This command displays a simple GUI for running the application where the target format can be selected along with the Input and Output files.

Building and Running a GeomConverter distribution

Command Syntax

The full syntax for running GeomConverter is

GeomConverter [-o format] [<infile> [<outfile>]]

If no output file is specified the GUI will be displayed. If no format is given the format will be guessed based on the output file.

Running the Converter

1. After building GeomConverter, run this command to convert a compact detector file to LCDD
2. Go to the GeomConverter directory and build a distribution in place.

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   maven -Drun.install=`pwd` run:install

3. Run the compact to LCDD converter using the script.

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   ./target/bin/GeomConverter -o lcdd compact.xml det.lcdd

Command Syntax

The full syntax for running GeomConverter is

GeomConverter [-o format] [<infile> [<outfile>]]

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Running in SLIC

The output LCDD file det.lcdd can be used as input to SLIC, which might look like this.

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