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featureservice

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featureservice

a node module meant to extract every feature from an Esri geo-service thing

0.0.3
Source
npm
Version published
Weekly downloads
65
35.42%
Maintainers
1
Weekly downloads
 
Created
Source

featureservice

A little module that extracts every feature from an Esri "geo-service". The real power in this module is it is designed to page over service and extract every single feature no matter what Server version the data are hosted on.

Installation

npm install featureservice

Usage

  var FeatureService = require('featureservice')
  
  // a url to a feature service
  var url = 'http://....../FeatureServer/0'

  var service = new FeatureService(url, options)

Methods

layerIds(callback)

Get all the ids in a feature service layer

layerInfo(callback)

Get the json metadata for a service layer

statistics(field, stats, callback)

Get statistics for a field and an array of stats.

service.statistics('id', ['min', 'max'], function (err, stats) {
  console.log(stats.features)
})

pages(callback)

Returns an array of page urls that would get every feature in the service

Browser

A browser ready build of this module is in dist/featureservice.min.js and is built via the command npm run build

Example

<html>
  <script src="dist/featureservice.min.js"></script>
  <script>
    var service = new FeatureService('http://koop.dc.esri.com/socrata/seattle/2tje-83f6/FeatureServer/0', {})
    service.statistics('id', ['max'], function (err, stats) { 
      console.log(err, stats)
    })
  </script>
</html>

Todo

  • Expose a stream of feature instead of page chuncks

Keywords

esri
featureservice
gis

FAQs

Package last updated on 28 Jul 2015

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