https://github.com/datamade/second-city-zoning
🏙 2nd City Zoning is an interactive map that lets you find out how your building is zoned, learn where to locate your business and explore zoning patterns throughout Chicago
https://github.com/datamade/second-city-zoning
chicago city-zoning javascript
Last synced: about 2 months ago
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🏙 2nd City Zoning is an interactive map that lets you find out how your building is zoned, learn where to locate your business and explore zoning patterns throughout Chicago
- Host: GitHub
- URL: https://github.com/datamade/second-city-zoning
- Owner: datamade
- License: other
- Created: 2012-08-14T22:32:35.000Z (about 13 years ago)
- Default Branch: main
- Last Pushed: 2025-05-05T19:35:17.000Z (6 months ago)
- Last Synced: 2025-05-20T07:03:37.337Z (5 months ago)
- Topics: chicago, city-zoning, javascript
- Language: HTML
- Homepage: https://secondcityzoning.org
- Size: 83.3 MB
- Stars: 51
- Watchers: 6
- Forks: 23
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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- jimsghstars - datamade/second-city-zoning - 🏙 2nd City Zoning is an interactive map that lets you find out how your building is zoned, learn where to locate your business and explore zoning patterns throughout Chicago (HTML)
README
# 2nd City Zoning
2nd City Zoning is an interactive map that lets you:
- find out **how your building is zoned**
- learn **where to locate your business**
- explore **zoning patterns** throughout the city
To make Chicago’s zoning code digestible by humans, we took inspiration
from one of our favorite games: [Sim City 2000](http://en.wikipedia.org/wiki/SimCity_2000). It started with the color scheme and from there we got a little carried away. Graphics, sounds, music, oh my.
2nd City Zoning is entirely [open
source](http://secondcityzoning.org/about#code) and built with [open data](http://secondcityzoning.org/about#data).
## Running locally
```bash
git clone git@github.com:datamade/second-city-zoning.git
cd site_template
gem install jekyll
jekyll serve -w
```
Then navigate to http://localhost:5000/
### Run in a Docker container
If you have Docker installed, can avoid some of the hassle of installing Jekyll and/or Ruby by pulling from the offical Jekyll image, installing dependancies, and serving locally.
This is especially handy if you're on Windows machine:
```bash
docker compose up
```
## Dependencies
* [Jekyll](http://jekyllrb.com)
* [MapLibre-GL JS](https://maplibre.org/maplibre-gl-js/docs/)
* [jQuery](http://jquery.org)
* [jQuery Address](http://www.asual.com/jquery/address)
* [Bootstrap](http://getbootstrap.com)
## Updating Zoning data
The City of Chicago publishes its latest Zoning information on an ArcGIS server. Here's the steps to update this site, which we do annualy:
1. Setup and install [`pyesridump`](https://github.com/openaddresses/pyesridump)
2. Run `esri2geojson https://gisapps.cityofchicago.org/arcgis/rest/services/ExternalApps/Zoning/MapServer/1 chicago-zoning.geojson
3. Use `ogr2ogr` to simplify the geometries and reduce the size. This can be done via the command line or with QGIS. We use a tolerance of `0.00003`
4. Use https://open-innovations.github.io/geojson-minify/ to remove properties we don't use. We only make use of `zone_type`, `zone_class`, and `ordinance_num`
5. `gzip` the GeoJSON file and place in the `/data` folder.
## Team
* Derek Eder
* Juan-Pablo Velez
* Monkruman St. Jules
## Errors / Bugs
If something is not behaving intuitively, it is a bug, and should be reported.
Report it here: https://github.com/datamade/second-city-zoning/issues
## Note on Patches/Pull Requests
* Fork the project.
* Make your feature addition or bug fix.
* Commit, do not mess with rakefile, version, or history.
* Send a pull request. Bonus points for topic branches.
## Copyright
Copyright (c) 2013-2025 Derek Eder and Juan-Pablo Velez of Open City. Released under the MIT License.
[See LICENSE for details](https://github.com/datamade/second-city-zoning/blob/master/LICENSE)