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Category Archives: Technology
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
Posted in Data, Government, OPRA, Privacy, Technology, Visualization
Tagged Data, meeting, open data, open source
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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
Posted in Conferences, PostgreSQL, Teaching, Technology, Tools and Scripts
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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
Posted in Conferences, ESRI, Events, PostgreSQL, Technology, Tools and Scripts
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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
Posted in PostgreSQL, Technology, Tools and Scripts
Tagged indexes, Land Use, new jersey, optimize, postgis, postgresql, sql
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Using Tableau to visualize land use change
I was home sick on Wednesday, so while I was on the couch I decided to dive into Tableau Public, a free desktop visualization tool. At IERP, we use Tableau for some of our public dashboards. Other than some minor … Continue reading
Posted in Data, Planning, PostgreSQL, Technology, Tools and Scripts, Visualization
Tagged GIS, Land Use, new jersey, postgis, postgresql, tableau, visualization
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Unix Philosophy
Often, when I go to tackle a problem, I look to use the simplest tools available first. Unix (and its derivatives/descendants, like Mac OS X and Linux) was designed with the following principles in mind: Write programs that do one … Continue reading
Posted in Data, Technology, Tools and Scripts
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Insignificant Spaces
Yesterday, I mentioned that I discovered ArcGIS’s inconsistent handling of spaces within text fields. Today, I tested to see how ArcGIS handles NULLs, Empty Strings and Spaces within its native file formats.
Posted in Data, PostgreSQL, Technology, Tools and Scripts
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Mitch Hedberg and GIS
So, a recent post on Reddit highlighted a Mitch Hedberg joke. “La Quinta” is Spanish for “next to Denny’s.” Thinking about this, I realized we could use GIS to find the number of La Quintas that are next to Denny’s. … Continue reading
Posted in Data, Google Maps, In the News, Teaching, Technology, Tools and Scripts, Web Mapping
4 Comments