Whyis-unit-converter

Installation

• install whyis using this command

  WHYIS_BRANCH=master bash < <(curl -skL https://raw.githubusercontent.com/tetherless-world/whyis/master/install.sh)
  

• whyis will be installed in /apps/whyis

• In your knowledge graph directory, add the unit converter agent to the list of inferencers in your config.py file:

  • Add the following import line: import whyis_unit_converter.unit_converter_agent as converter
  • Add the following line to the inferencers item in the Config dictionary constructor: "UnitConverter": converter.UnitConverter()

• Reload your knowledge graph to run the inferencer over it

Loading unit definition and translation files

• To load your own unit definition and translation files, run importconverterdict FILES

• Your translation files can be in one of the following forms:

  • URI to unit mapping file. Used to map measurement types to their preferred units, if http://nanomine.org/ns/hasPreferredUnit is not used in your knowledge graph.

  #mapping_file
  http://nanomine.org/ns/CharpyImpactEnergy=http://www.ontology-of-units-of-measure.org/resource/om-2/joulePerSquareMetre
  http://nanomine.org/ns/CrystalizationTemperature=http://www.ontology-of-units-of-measure.org/resource/om-2/kelvin
  

  • Translation file. Used to translate URIs into understandable units. Translations to understandable units are written as below. See defining pint units for more specific information about formatting.

  #translation_file
  http://www.ontology-of-units-of-measure.org/resource/om-2/degreeFahrenheit=5 / 9 * kelvin; offset: 233.15 + 200 / 9
  http://www.ontology-of-units-of-measure.org/resource/om-2/amperePerSquareMetre=ampere / meter ** 2
  http://nanomine.org/ns/unit/kpa=kilopascal
  

Testing

• To test the unit converter, run unitconvertertest from a pip enabled endpoint.