Sampling events from HI toktlogger

dwcSamplingEventMapFromImrActivity.mjs

import wellknown from 'wellknown'; //https://www.npmjs.com/package/wellknown

// @param Object a: activity from IMR toktlogger
// @return Map
export function dwcSamplingEventMapFromImrActivity(a) {
  const startCoordinates = a.startPosition.coordinates;
  const endCoordinates = a.endPosition.coordinates;

  const multiPoint = { type: 'MultiPoint', coordinates: [startCoordinates, endCoordinates]};

  return new Map([
    ['eventDate', `${new Date(a.startTime).toISOString()}/${new Date(a.endTime).toISOString()}`],
    ['samplingProtocol', a.name],
    ['localstationNumber', a.localstationNumber],
    ['superstationNumber', a.superstationNumber],
    ['decimalLongitude', startCoordinates[0]],
    ['decimalLatitude', startCoordinates[1]],
    ['fieldNotes', a.comment],
    ['footprintWKT', wellknown.stringify(multiPoint)],
    ['eventID', a._id],
    // ['stationName','locationID'], // FIXME toktlogger data has no named stations
    // ['parentEventID', ''], // FIXME toktlogger data has no parent event
  ]);
}

  // Other useful fields
  // ['samplingProtocol','samplingProtocol'], // FIXME need shared vocab
  // ['samplingEffort','samplingEffort'],
  // ['sampleSizeValue','sampleSizeValue'], // 1
  // ['sampleSizeUnit','sampleSizeUnit'],   // m3
  // Personell: caretaker / responsible for the sample
  // Bottom depth
  // ['countryCode','countryCode'] //?
  //
  // Only provide datum/refsystem if not WGS84?
  // ['geodeticDatum', 'WGS84'],
  // ['footprintSRS','WGS84 GEOGCS['GCS_WGS_1984',DATUM['D_WGS_1984',SPHEROID['WGS_1984',6378137,298.257223563]],PRIMEM['Greenwich',0],UNIT['Degree',0.0174532925199433]]'],

sampling-events.tsv

See also

• http://iobis.org/manual/darwincore/#location
• https://www.gbif.org/data-quality-requirements-sampling-events