Tag Archives: location based service
making seatmate aware of locations with postgis
Now that I’ve got the comment view more or less working, it’s time to link it up with actual trimet routes. I think we need an initial screen to show to users when they first bring up the app. I … Continue reading
the node.js and postgis backend for seatmate
So far I haven’t spent much development time working on the backend for seatMate. I mentioned that I was using node.js to serve up the static files on my development server and nodejitsu. The backend also saves and retrieves comments … Continue reading
pdxhash and working with spatial data using sql
Overview After analyzing the data, it would appear that we can use the geohash algorithm to geographically locate things in the Portland area by a short combination of letters and numbers. Because we only care about locations in and around … Continue reading
pdxhash: an implementation of #pdxtags using the geohash algorithm
I never learned about geohashes in school, but I ran across the term when I was figuring out how to do fast GIS operations in the Google App Engine cloud computing platfor Continue reading
displaying a google maps api v3 map in a django application with geodjango and postgis
In order to create a Google Maps API v3 map with django templates and views you can use the python modules django.contrib.gis.maps and specifically django.contrib.gis.maps.google. Continue reading
geocoding and spatial database queries using python with django and postgis
Python is an excellent language for developing GIS applications. It’s very easy to create a web service that queries a spatial database and returns a result. Sometimes that sort of thing is called a location based service. They are common … Continue reading