BBP Flat File Format

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This page contains information regarding the BBP Flat File Format, used to collect data from BBP simulations.

The sample flat file above contains data for 50 realizations of the 1994 Northridge earthquake. It uses the GP method and includes data for all stations.

Export Script

The current script only works for simulations performed at the cluster, it requires (a small) change to be able to generate a flat file for a single BBP simulation. Here's the current usage:

$ export_bbp_cluster_simulation.py -i <cluster_top_level_input_directory> -o <output_directory> [-c]

The top level cluster directory is the same directory provided to the scripts that generated the cluster simulation (bbp_hpcc_validation.py). The output directory will be created if needed and will contain the output flat file (currently named bbl-summary-file.csv). The optional -c parameter causes the script to copy the time series from the various realizations into subdirectories inside the output directory. This can be used to generate a package containing the simulation parameters and the time series that can be distributed.

Assumptions

In the produced flat file, linked above, the following abbreviations were used:

  • NA - Not Available
  • TBC - To Be Calculated
  • TBD - To Be Determined

Also, the following assumptions were made on these fields: