Wednesday, 27 August 2014

The happenstance art of maps

I showed recently how CLIWOC weather data from ships captains logs dating 1662 to 1885 totalled almost 1/2M points. It started with a 1/4M ships tracks, and combining look-up tables from four maritime agencies they yield numeric wind force and direction...

Friday, 15 August 2014

Dynamic maps final (for now)

[Update: longhand version posted on my map catalog blog]

This is the end installment of progressing from static to dynamic maps online. A few lessons learned along the way on posting a quarter million point dataset, which ballooned to almost half a million after links & joins...

Saturday, 9 August 2014

Lessons from 'static to dynamic maps'

Last month related the stumbling blocks in posting too much data on arcgis.com - time animation pushed the limits of stock web service even when limits are set above 250K points - and other services don't offer animation as yet.