Philly OpenStreetMap Project: the first four months

#mapgoalsHappy 2017 everyone. Another year, another set of #mapgoals.In August, I set out on a mission to full map the City of Philadelphia on OpenStreetMap with high quality, high resolution data. This is a supremely tall order, but progress has been steady. Frankly, the OSM data of the City has been severely lacking, and open […]

Live Parking Capacity With Leaflet

First things first: you will notice I’ve added comments to my blog. This is new. I realize that I am now opening the floodgates to the internet, so it will be an interesting experiment. I will not hesitate to remove comments again if it gets out of hand.Here’s a quick and fun one. If you’re […]

3D Visualization of the Grand Canyon with Potree

Last fall, Keystone Aerial Surveys flew a test flight over a branch of the Grand Canyon with their Ultracam Falcon Prime digital camera. I had the opportunity to play with the data a bit in post processing. I balanced the imagery, did the aerial triangulation and bundle adjustment on the block, and computed a 3D […]

Web mapping for fun and zero profit

Update again, 5/6/2016: I was looking over this again and realized two major things have happened that affect the content of this post. 1) Leaflet has changed so now it’s much easier to load external GeoJSON without using jQuery and 2) I’ve gotten a whole hell of a lot better at Javascript. I admit it […]