# 9.2.1. aequilibrae.Parameters¶

class aequilibrae.Parameters

Bases: object

Global parameters module

Parameters are used in many procedures, and are often defined only in thi parameters.yml file ONLY Parameters are organized in the following groups:

assignment: distribution:

system: cpus: Maximum threads to be used in any procedure default_directory: If is the directory QGIS file opening/saving dialogs will try to open as standard driving side: For purposes of plotting on QGIS logging: Level of logging to be written to temp/aequilibrae.log: Levels are those from the Python logging library

0: ‘NOTSET’ 10: ‘DEBUG’ 20: ‘INFO’ 30: ‘WARNING’ 40: ‘ERROR’ 50: ‘CRITICAL’

both numeric and text accepted

report zeros: temp directory:

__init__()

Loads parameters from file. The place is always the same. The root of the package

Methods

 Loads parameters from file. Restores parameters to generic default Writes the parameters back to file
__init__()

Loads parameters from file. The place is always the same. The root of the package

write_back()

Writes the parameters back to file

restore_default()

Restores parameters to generic default