Loosing Site

Google Charts - Now With Maps

March 20th, 2008 by Phil

Google has added a map chart type to its free data visualisation solution. Google charts API creates images on the fly to present data encoded in the image url.

Sample Google Chart - Map of US

The available maps are at continental or world scale, with the exception of the USA where geographical data for each state can be displayed.

http://code.google.com/apis/chart/#maps

Developer’s Guide - Google Chart API - Google Code via kwout

Data for the charts is included as url parameters using ISO Country Codes, RGB color values and simple numeric or string encoding of data values.

http://code.google.com/apis/chart/#maps

Developer’s Guide - Google Chart API - Google Code via kwout

The URL’s are simple enough to construct by (a careful) hand, but are more suited to scripting and code generation.

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Posted in Mapping, Tools

One Response

  1. Jay
    September 3rd, 2008 at 12:15 am

    Hi,
    I just put up a page using the Google Chart API to highlight countries/states on a map.
    You can see it here
    http://www.29travels.com/travelmap/

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