text: // components/my-table.js
  import Component from '@ember/component'
  
  import { computed } from '@ember/object'
  
  export default Component.extend({
    wkt: computed('value', function() {
      const geometry = this.get('value')
      const format = new ol.format.WKT()
      const wkt = format.writeGeometry(geometry)
      return wkt
    })
  })
  