City of Boston parcel map from FY2013

Hosting and mapping GeoGit repos. Runs on Rackspace

Boston adaptation of NYC + MapBox's OSM tracker

Simple API to POST a GeoJSON FeatureCollection and get back TopoJSON

Chesapeake Bay SAV Data collection via http://www.vims.edu/ research team. More than a spatial, and tabular data repository, the older .arc files have been converted to shapefiles, all have been converted to geojson. Future intentions include visualizing sav annual maps over time (70s-current), real-time analysis and monitoring, as well as some …

A utility program to convert GTFS stops data to GeoJSON

A Clojure library designed to work with PostGIS, GeoJSON and related stuff. This is currently a toy project to get familiar with Clojure, so it is not intended for productive use.

Virginia 2006 Census GIS County data converted to .shp, .geojson, and .topojson

TMI Tidal Marsh Inventory - GIS data converted to .geojson/.topojson and misc data via http://ccrm.vims.edu/gis_data_maps/static_maps/gis/tmi.html

State of Virginia demographics, converted for web and mapped with Leaflet.js and .geojson

Virginia Wilderness Lands GIS data, converted from .kmz/.shp to .geojson/.topojson

Geojson polygons for parks in St. Louis (MO) County

Virginia Atlas of Historical County Boundaries: via http://publications.newberry.org/ahcbp/pages/Virginia.html. Converted for web: html -> html5, pdf -> .png, .shp -> .geojson/.topojson, etc.

Virginia Forests, Woods, Timber, and other agricultural lands. GIS data converted to jsons, pdfs liberated to csv, and images when applicable

Extend properties/attributes of geojson objects from separate dataset of jsons.

Calculate the length of a GeoJSON LineString or MultiLineString

Visualize weather patterns with turf.js and NOAA NCDC weather.

Metro Vancouver Municipal Boundaries GeoJSON

bike public parking in alcalá de henares

Workshop Creating Interactive Maps with D3.js — The Graphical Web 2015