Selected Repositories

agol-cache
A NodeJS script to download all layers within a public or protected ArcGIS Online Feature or Map Service as GeoJSON.
Demo
JavaScript  1
awesome-custom-print-maps
A curated listing of sites selling exclusively custom map-related products such as posters, mugs, 3D maps, etc.
awesome-webmap-frameworks
An opinionated list of tools and frameworks to generate fully functional webmaps.
butterfly-swimmer
Chart visualization using Google Sheets as a backend.
Demo
HTML
firebase-collect
A mobile-first web app for data collection using firebase. The app has built-in support for RTK corrections using proj4.
JavaScript
geojson-network-control
A GeoJSON Network tool for simple upstream and downstream network tracing.
JavaScript
getbounds
My personal geospatial blog built with Hexo.
Demo
JavaScript
gpx-visualize
A site that visualizes GPS tracks over a simple map with an elevation chart overlay.
Demo
JavaScript
leaflet-store-locator
A Responsive Open Source Store Locator built with Leaflet and Bootstrap, based on the Mapbox JS Example
Demo
JavaScript  11
mapbox-layer-control
A layer control for Mapbox GL JS with groups and a filter function.
Demo
JavaScript  3
maps.coz.org
Repo for the gis.coz.org site and the maps.coz.org site (one and the same). An open source map UI built on Mapbox GL JS.
HTML
mgl-story
A simple Mapbox GL JS Story Map template built off the original Mapbox example.
Demo
JavaScript  2
mgl-tools
A collection of code snippets, tools and plugins for Mapbox GL JS maps
JavaScript
mglStreetViewControl
Mapbox GL JS Street View Control
Demo
JavaScript
ohio-open-data
A website and map with links to open data and GIS portal sites in Ohio.
JavaScript
parcel-query
Query parcel data and extract parcel values over time. Built with Mapbox. Testing Phase
parcel-viewer
Open Parcel Viewer - A mobile ready web app for displaying 50k parcels or polygons without needing a GIS server.
Demo
JavaScript  11
postgres-forms-v2
Internal CRUD web apps that talk to the internal GIS postgres database
pwa-maps
A presentation on using OpenMapTiles and service workers to turn an interactive map into an offline-capable Progressive Web App.
Demo
JavaScript  8
reyemtm
My GitHub Portfolio
Demo
simple-chart-dashboard
Simple dashboard with charts.
JavaScript  1
songs
Website for personal original and cover songs.
CSS
tilequery
A tool to query remote vector tiles and return GeoJSON features, limiting to an optional buffer.
Demo
JavaScript
vtile
Creation of vector tiles from the command line. It is essentially automation of geojson2mvt using TurfJS.