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Archive | Blog Posts
Posted January 29, 2022
Export GeoJSON from PostgreSQL using Beekeeper Studio
Query > Download > Copy > Paste!
blog
open data
postgis
postgres
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Posted September 16, 2021
FOSS4G Image Processing
Creating Cloud Optimized GeoTIFFs and Raster Tiles using GDAL and QGIS
blog
gdal
imagery
open data
qgis
rasters
web maps
view all
Posted September 2, 2021
| Updated March 21, 2022
Generating Cloud Optimized GeoTIFFs and Raster Tiles with GDAL
TLDR: gdalbuildvrt, gdal_translate, gdal_warp and gdaladdo
blog
gdal
open data
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Posted September 21, 2020
From the Ashes of Shapefiles
A Presentation for the 2020 Virtual Ohio GIS Conference
blog
esri
mapbox
postgres
qgis
slides
view all
Posted September 20, 2020
GIS and Remote Work
An Exploration of a GIS Remote Work Toolkit
blog
esri
hardware
mapbox
qgis
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Posted April 27, 2020
Exporting AGOL Feature Services to GeoJSON
Using NodeJS and Batches to Transform an ArcGIS Online Feature Service to GeoJSON
blog
esri
nodejs
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Posted April 1, 2020
| Updated September 12, 2020
Ohio COVID-19 Dashboard
A Simple, Client Side Tracking Dashboard for COVID-19 in Ohio
blog
mapbox
view all
Posted November 28, 2019
RTK to WGS84
Transforming Coordinates with JavaScript using proj4.js
blog
mapbox
web maps
view all
Posted November 17, 2019
Highlighting Features in Mapbox GL JS
A Comparison of Filter and Feature-State
blog
mapbox
web maps
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Posted July 12, 2019
Network Tracing with Turf JS
A Client Side Solution for Simple Upstream and Downstream Linear Network Analysis
blog
mapbox
turfjs
view all
Posted May 10, 2019
Progressive Web Apps
Using PWA Components for Web Maps
blog
mapbox
slides
view all
Posted April 5, 2019
Open Parcel Viewer
A Client-Side Parcel Viewer built with Leaflet
blog
leaflet
projects
view all
Posted April 5, 2019
Leaflet Store Locator
A Leaflet Version of the Original Mapbox JS Store Locator Example
blog
leaflet
mapbox
view all
Posted September 9, 2018
Intro to Turf JS
Geospatial Analysis for the Browser, Desktop & Server
blog
mapbox
slides
turfjs
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Posted February 12, 2018
| Updated April 11, 2019
Mapping with Vector Tiles
Query Features Outside the Viewport
blog
mapbox
vector tiles
view all
Posted September 14, 2017
Data-Driven Styling, 3D Polygons & Vector Tiles with Mapbox GL JS
blog
mapbox
slides
vector tiles
view all
Posted May 16, 2017
Web Maps from Scratch
An Introduction to Leaflet, GitHub & Jekyll
blog
leaflet
mapbox
slides
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Posted November 16, 2016
What is a Map?
Marshall Univerity 2016 GIS Day Keynote
blog
leaflet
mapbox
slides
view all
Posted September 30, 2016
Beyond the Desktop
Open Source Experiments in Web Mapping
blog
leaflet
slides
view all
Posted August 13, 2016
Jekyll, Leaflet and TurfJS
Open Source Tools for Web Mapping
blog
jekyll
leaflet
slides
view all
Posted January 24, 2016
Leaflet & GeoJson Tiles
A County Parcel App: No GIS Server? No Problem!
blog
esri
leaflet
view all
Posted December 18, 2015
CartoDB Visualizations
One Data Set Four Ways
blog
web maps
view all
Posted December 3, 2015
A Modern Leaflet Toolbar
Horizontal Toolbars in Leaflet
blog
leaflet
view all
Posted October 12, 2015
| Updated April 9, 2019
Conkle's Hollow Fall Hike
Mapping GPS Tracks with Leaflet
blog
leaflet
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Posted September 20, 2015
Intro to Leaflet
A Presentation for the 2015 Ohio GIS Conference
blog
jekyll
leaflet
slides
view all
Posted July 13, 2015
| Updated October 27, 2018
Leaflet Photo Map
A Trip Out West circa 1985
blog
leaflet
view all
Posted November 19, 2014
Google MyMaps, Leaflet and ArcGIS Online
blog
leaflet
view all
Posted November 19, 2014
Hosting a GeoJson on GitHub
blog
leaflet
view all
Posted June 12, 2014
| Updated September 12, 2020
Google Drive Fusion Tables
blog
esri
google
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Posted June 6, 2014
Raster Catalogs
blog
esri
view all
Posted January 31, 2014
Desktop to the Cloud: GIS Cloud and Rasters
blog
esri
view all
Posted January 30, 2014
Animating Urban Growth via the ArcMap Time Slider
One Hundred Years of Urban Growth in Ten Seconds
blog
esri
view all
Posted January 26, 2014
Use Only Selected Features in Model Builder
blog
esri
view all