Finding Ley-Lines with PostGIS

I’ve recently been playing with PostGIS. This post will summarise a simple attempt to manipulate data and draw it on top of Open Streetmap. I wanted to produce a Brighton version of Steven Kay’s Pub Ley Lines. As you will see, the outcome was less interesting than the process. What follows is, basically, a How-to-Draw-An-Owl tutorial. It summarises the steps… Continue reading Finding Ley-Lines with PostGIS