Tag Archives: civicapps

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

Posted in technology | Tagged , , , , , , | Leave a comment

bulk loading shapefiles into postgis

Civicapps datasets are made available in a format called a shapefile. ESRI shapefiles are the de facto standard for distributing spatial data, but they can be tricky for those who are new to GIS. Fortunately shapefiles are an open standard with a variety of useful tools available. Continue reading

Posted in technology | Tagged , , , , , | 1 Comment