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Geocoding

Geocoding is the process of converting addresses (like a street address) into geographic coordinates (like latitude and longitude), and vice-versa – converting geographic coordinates into a human-readable address.

Routing is a process of creating a route between two points on the map.

For geocoding and routing to work, a geocoder/route provider is needed. We support two geocoder/route providers, and below you can find description for each of them.

Google geocoding API

This is the recommended geocoder/route provider, as it is most accurate. Our Premium GIS package already include this option, but if you wish to acquire Google API keys separately, please read below.

Google geocoding API use Google API keys to authorize the requests. Each API key can be assigned to different Google API services. For security purposes, we recommend creating two Google API keys, and assign them to the following Google API services:

First Google API key (should be restricted by HTTP referrer, which is your user interface URL):

  • Google Maps JavaScript API

Second Google API key (Should be restricted by server IP):

  • Google Maps Geocoding API
  • Google Maps Geolocation API
  • Google Maps Directions API

Send the keys to Navixy tech.support so that we can install them for you, or you can refer to our how-to guide if you wish to install them yourself.

Please note that according to Google usage policy, Google Premium plan is required to be able to use Google API for asset tracking purposes. You can get more information from Google using the link below:

https://developers.google.com/maps/pricing-and-plans/

OpenStreetMap geocoding

OpenStreetMap (OSM) and OpenSourceRoutingMachine (OSRM) are free alternatives to Google API. The downside of OSM is that it’s less accurate than Google in some parts of the world, and that it has usage limits – if you send too many geocoding requests per second, your IP might be blocked by OSM servers. In practice, you will start hitting this limit if you have approximately 700 devices and more.

If you’re going to use small number of devices, OSM geocoder and OSRM routing might be a viable option.

 

Nominatim

Nominatim is a search engine used to provide geocoding capabilities using OpenStreetMap data. To avoid limitations of the public OSM server, you can install OSM database and Nominatim on your own servers, which will allow you to serve geocoding requests limited only by the server’s performance. Server requirements will depend on the amount of data installed. For example you can install data for one specific country, or for the whole globe. In the latter case the server requirements will be much higher. Please note that it’s not recommended to install Nominatim on the same server as Navixy platform.

For more information regarding Nominatim and installation instructions, please refer to the following resources:

OpenStreetMap wiki page:
http://wiki.openstreetmap.org/wiki/Nominatim/Installation

Official Nominatim Github page:
https://github.com/openstreetmap/Nominatim/blob/master/docs/Installation.md
https://github.com/openstreetmap/Nominatim/blob/master/docs/Install-on-Ubuntu-16.md

If you have more questions please contact our support team

Contacts

USA: +1 858 815 9045

Mexico: +52 334 1642158

UK: +44 808 1641499

Germany: +49 1573 5988250

Russia: +7 495 223 0427

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