Simon Willison’s Weblog

Items tagged googlemaps in 2010

Filters: Year: 2010 × googlemaps ×

Google Maps and Label Readability. Obsessively detailed analysis of exactly what makes Google Maps so readable when compared to Yahoo! and Bing. # 3rd December 2010, 5:08 pm

How come Google Maps provides so many more local Wikipedia entries that GeoNames?

My guess is that GeoNames just uses the latitude/longitude fields from Wikipedia (you can see them in the top right corner of most pages that describe a place), whereas Google actually do some text analysis and attempt to geocode articles themselves, even if they don’t have an exact latitude longitude assigned to them.

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Diffable: only download the deltas. JavaScript library for detecting and serving diffs to JavaScript rather than downloading large scripts every time a few lines of code are changed. “Using Diffable has reduced page load times in Google Maps by more than 1200 milliseconds (~25%). Note that this benefit only affects users that have an older version of the script in cache. For Google Maps that’s 20-25% of users.” # 11th July 2010, 12:19 pm commit dae961a... I’ve finally added an OpenStreetMap tab to—here’s the diff, it turns out adding a custom OpenStreetMap layer to an existing Google Maps application only takes a few lines of boilerplate code. # 10th July 2010, 12:22 pm