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new jersey geographer

GIS and planning in New Jersey

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Stamen Map Tiles now a paid service

Understandably, the awesome map tiles produced by Stamen Design over 10 years ago have been moved to Stadia and are now a paid service. I have extensively used the Toner Labels service as annotation to aerial photography and as a Continue reading

Broken libraries? Docker to the rescue!

I m working on some spatial data, loading shapefiles into PostgreSQL on an older server of mine. Revisiting my previous blog post, I wanted to review more recent NJ Land Use/Land Cover data with the 2002 LULC data I imported to Continue reading

Revisiting OpenStreetMap Land Use Data

Back in August of 2009, I converted the latest available Land Use/Land Cover data for New Jersey into .OSM format and uploaded it as NJDataUploads to OpenStreetMap. You can read my write up of the initial uploading effort here. While Continue reading

What a year.

I neglected to blog in 2020. I think I can speak for everyone when I say last year was a wild ride at best and a disease and insurrection hellscape at worst. Last year, with the shift to remote, I Continue reading

Pi-based LED Sign

I took some time this Thanksgiving break to work with Raspberry Pi and a flexible LED display. I love the Pi, as it is a familiar environment, but with opportunities to work with different hardware. Working with some instructions online, Continue reading

Meandering Meetings and Open Data

I love meetings. When the right people are in the room, with a clear agenda and desire to work together towards a common goal, magic can happen. Ideas are put out there and refined as a group, and an action Continue reading

Presentations at MAC URISA 2018

I m currently down at the MAC URISA 2018 conference in Atlantic City. This year, I conducted a full-day workshop on Spatial SQL. I also presented on using Docker to explore open source GIS offerings. If you re still around at the Continue reading

What I’m Reading – July 2018

Here are a few articles I ve read over the last month that you might find interesting. “I keep it because I have not heard a voice I like better,” he once said, “and because I have identified with it.” He Continue reading

Leveraging the Power of Spatial Databases

I m out at the ESRI DevSummit this year, and tonight I presented the following talk on using SQL to perform spatial analysis tasks. The presentation slides are included here. I tried to squeeze in several examples, including mapping 2,199 farms Continue reading

Optimize Your Indexes and Selections

I have been working on a project that is driven by a series of functions written in PL/pgsql. The functions look at New Jersey s land use data over several different time periods and selects out certain areas if they have the Continue reading