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...
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Wednesday, 27 August 2014
Friday, 15 August 2014
Dynamic maps final (for now)
[Update1: longhand version posted on my map catalog blog
Update 2: companion Slideshare delves into technical issues]
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...
Update 2: companion Slideshare delves into technical issues]
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.