Quick start

Generate input file

Start the script startSerializationGenerateData.sh (in FairRoot/build/bin/) to generate and store random data. A file inputGenEx.root will be produce in the directory <build_dir>/examples/MQ/GenericDevices/data_io. Use the help command line : ```bash ./startSerializationGenerateData.sh –help ``` to see the available command line options (the output file is already set in the startSerializationGenerateData.sh script). The data structure are basi digi with (x, y, z, t, t_err) as data members. The (x,y,z) digi data members are normally distributed with defined mean and standard deviation. The mean of t is defined by the time index (from 0 to tmax) and the standard deviation is defined by t_err. By default tmax is set to 100 (which will produce tmax=100 messages). Use for example:

```bash ./startSerializationGenerateData.sh –tmax 1000 ```

to increase the number of gaussian(x,y,z). For each time index, N event will be generated according to the gaussian(x,y,z) pdf. The number N also fluctuate according to gaussian(N,N_err). Use for example

```bash ./startSerializationGenerateData.sh –Nmean 1000 –Nsigma 10 ```

to set the average number and standard deviation of digi per time index (pulse). This will vary the number of digis per message and hence the data size to transport.

Start the process chain

Start one of the two scripts (the scripts will use the inputGenEx.root as data source).

```bash

single part transport

./startSerializationEx1.sh

or multipart transport (header+data)

./startSerializationEx2.sh ```