Map Channels v4 Tutorial : Importing And Geocoding Data

Edit enabled Map Channels have integrated data import and geocoding features.

This tutorial guides you through the process of creating a map, importing and geocoding place data and finally publishing the map which can be embedded into your website.

1. Create an Edit Enabled Map Channel

Go to the Create New Map page. Enter your map details, and select Yes for the Edit Enable option.

You now have an empty map created. Click on the Places link to go to the Places Page. Here you can add, edit or delete place data.

2. Importing The Data Feed

From the Places Page click on the Feed Import link to go to the Import Page.

Here you can import data using one of three methods: web link, uploaded file or pasted data. Formats supported are KML, GeoRSS and Tab-delimited Text.

Note 1 : The imported place data is not synced to the original feed once the map has been created. If you want your data to sync with an external feed you should create a map which is not edit-enabled.

Note 2 : Only placemarks are imported. Polylines and polygons are not imported.

Note 3 : Tab-delimited text should contain header names as the first row. Default column heading are name, description, link, lat and lng (headings are case-sensitive). Additional column heading can be included as needed.

Note 4 : Up to 500 placemarks can be imported for non-subscribers. Up to 1,000 placemarks can be imported for subscribers.

Tip : Test out importing and geocoding with a small data sample (10 - 20 places). The geocoder has a daily limit per user of 2,500 addresses.

3. Geocoder Preparation

The Geocoder obtains latitude and longitude values for places which have valid addresses.

From the Places Page click on the Geocoder link. You will now be on the Geocoder Page and see an option panel with a list of your places.

The first option allow you to adjust the time delay between geocoder requests (100 milliseconds is the default).

Next, select whether to geocode all places or only places without a latitude and longitude.

Finally, set up the address template which is used to format the address for each place. The default template, {description} sets the place description field to be used as the address.

Adjust the address template and click Apply to preview the address in the list below. In the address template enclose fields by brace characters { and }, additional text can be added outside the braces.

For example, {streetno} {street} {city} {county} {postcode} United Kingdom could be entered if the tab-delimited source data contained columns named streetno, street, city, county and postcode. Adjust the address template according to the format of your data.

When the correct addresses are displayed in the Place List click Continue to start the geocoding process.

4. Geocoding

When the geocoding process starts, there is no need to click anything until the process is complete (but a pause button is available). Placemarks will be displayed on the map as the geocoding progresses. The list is also updated to show the place status and co-ordinates.

Once the automatic geocoding is complete you can click on placemarks or listings to perform fine-tuning.

Placemarks are colour-coded. Green placemarks have one unique location match. Amber placemarks have more than one matching location. Red placemarks have no matching location.

When you click on a placemark a list is shown of matching locations and addresses. Clicking on the correct location from list will update the placemark location and change the placemark colour to green.

If no matching location is displayed you can either click 'none' or enter a new address and retry geocoding for that place.

You can filter placemarks by colour or address substring.

When the geocoding is complete click on Finish.

Wait while the results are stored and published then click on the Map Settings link to see a preview of the map, adjust settings and get the embed code.

Return to the V4 Tutorial Page.


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