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 […]

Spatial Demographic Data – Use-cases

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 my previous post, I introduced some basic spatial concepts useful in working with US Census Bureau data. In this post, I’d […]

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 […]