Building Static Vector Tile Trees from GeoJson
On my team at the NYC Department of City Planning, we have been working with vector tiles and mapboxGL to create fast …
Liberating Data from NYC Property Tax Bills
Property Tax constitutes the single biggest source of revenue for the New York City Government, accounting for approximately $22.5 Billion dollars in …
Granular Budget Data for NYC
Here’s some granular data on the NYC operating budget. First, take a look at this supporting schedules publication for the Fiscal Year …
Building Urban Scratchoff
Last week, I shipped a just about finished version of Urban Scratchoff, a simple map app that lets you explore two different …
Scraping NYC Daycare Data… Again
A year ago, some Civic Hackers in NYC were interested in making a map of New York City Daycare facilities to help parents …
Adventures in FOIL: New York Condominium Offering Plans
[Cover photo by Flickr user wallyg] After a summer of searching for a condominium unit to buy in NYC, I’ve come across …
This Ugly Map Got a Lot of Attention Today
Be careful what you release into the wilds of the internet! A few days ago, mostly out of curiosity, I created the …
A Chrome Extension to Inject NYC Subway Data into streeteasy.com
I love streeteasy.com. The site has everything for the NYC apartment-seeker: High quality listings, uber-granular searching, discussion forums, and lots of great …
Building a Custom Downloader for NYC’s PLUTO Data
I recently launched a custom download tool for NYC’s PLUTO data, which you can check out at http://chriswhong.github.io/plutoplus. Here’s a little bit …
Thoughts on Open Data Part 2
This is part 2 of a blog post containing some of the philosophy on Open Data I’ve developed over the past couple …