ST_BUFFER_METERS: The PostGIS function you didn’t know you needed

After spending the better part of the day trying to get my projections right so I could draw a 100 meter buffer around points for 311 noise complaints for bars, clubs, and restaurants in New York City, I found these gems I’d like to share: They come from GIS Tutor and were a lifesaver.  ST_BUFFER is […]

Spatial Demographic Data – Weighting Demographics with PostGIS

This is part of a series of posts I’m doing on Census Bureau Demographic Data for Developers based on my experience creating a database of Census Data as part of my summer internship at Patch.com. In a previous post, I discussed the idea behind what I’m calling “spatial weighting”, which is basically taking a percentage of the demographics […]

Why I love my DBAs; or How Not to Install PostGIS on a Mac

This summer, I had the good fortune of having people tirelessly laboring to ensure the servers I used to host my databases were in working order and able to execute the tasks I needed them to run.  I didn’t realize how much that meant until I had to do it myself.  I’ve been putting together […]

A Quick Spatial Primer for Using Census Data

This is part of a series of posts I’m doing on Census Bureau Demographic Data for Developers based on my experience creating a database of Census Data as part of my summer internship at Patch.com.   The world of geospatial information systems seems magical to the uninitiated and even after you are initiated, it still has […]

Server Status Tool – pgAdmin’s Best Kept Secret

I was surprised recently to find that many of the engineers I worked with weren’t aware of the Server Status tool in pgAdmin.  This seems to be true of many people who work with PostgreSQL by the paucity of mentions in blog entries.  Server Status allows you to monitor your host in near real-time.  I […]