Basic Configuration

ForeFire simulations typically require three main input files to run:

  1. Model Parameter File (e.g., fuels.csv):

    A file that defines physical parameters required by the selected propagation model. For example, the Rothermel and Balbi models use a fuels.csv file to define fuel bed properties. Other models, like Iso, do not require an external file. See the Fuels & Models guide for details.

  2. Landscape File (.nc):

A NetCDF file containing geospatial data layers for the simulation domain, typically including:

  • Elevation (Digital Elevation Model - DEM)

  • Fuel types map (matching the indices in the Fuels File)

  • (Optionally) Pre-defined wind fields or other environmental data.

  1. ForeFire Script File (.ff):

A text file containing commands and parameters that control the simulation execution. This includes:

  • Setting simulation parameters (e.g., propagation model, output format).

  • Loading the landscape and fuels data.

  • Defining the ignition point(s) and time.

  • Setting wind conditions (e.g., via triggers).

  • Defining the simulation duration and time steps.

  • Specifying output file names and formats.