Welcome to the IPT blog!

Hello and welcome. Who am I and what is this blog ? My name is Peter Schwarz, and I am the owner of Integrated Productivity Tools (henceforth – IPT) and host for this blog. The blog is intended to do three things: Make announcements regarding IPT products and other...

On Nodes and Ways

OSM Data Structure   This post presents a description of the OpenStreetMap (OSM) data structure and some implications for users. References are mostly from that organization’s wiki. What I intend to provide is:   A short, precise definition of the data...

The World is not Flat

Introduction to Datums and Projections I wrote this post because there seems to be a lot of confusion among casual users of GIS and other mapping applications around projections. The three take-away lessons I would like to share are: Projections are a necessary...