Tag: tutorials

Blog Posts

Visualizing GPS Data With QGIS

This tutorial will teach you how to use QGIS to generate a map image from GPX track data.

Mapping GPS Data in uMap

uMap is a website which allows you to import GPX data and overlay it on an OpenStreetMap layer. This tutorial will teach you how to view GPX-formatted GPS data in uMap.

Mapping GPS Data in Google Earth

Google Earth is a map viewer that provides an easy way to view GPS data files. This tutorial will teach you how to view GPX-formatted GPS data in Google Earth.

Logging GPS Tracks With iOS and MyTracks

This tutorial will teach you how to use an iOS device to log GPS data and export it to a GPX file (which can then be used by mapping software).

Converting GPS Data Between GPX and KML

GPX and KML are both file types used to store GPS data. This tutorial will teach you how to convert between GPX and KML (in both directions) using GPS Visualizer.

Extracting GPX Files From a Garmin Automotive GPS

This tutorial will teach you how to record route data on a Garmin automotive GPS and extract it into a GPX file (which can then be used by mapping software).

Generating GPX and KML Maps with Ruby on Rails

How to use Ruby to create GPX and KML map data files.

A Primer on Car Rentals

Some tips and tricks for your first car rental.

Creating Multiple Flash Messages in Ruby on Rails

On my Flight Historian application, a number of my pages make use of the Ruby flash and flash.now session messages for alerts. However, some of those pages needed to have multiple messages of the same type, which flash didn’t allow me to do. To fix this, I wrote my own messages structure.

Parsing Boarding Pass Dates in Ruby on Rails

Boarding pass barcodes contain data that’s useful for automatically filling in flight data, but their dates are particularly difficult to parse.

Finding Your Tail Number (When You Can’t See It)

Every aircraft has a unique registration number, usually printed on or near the tail, which you can use to track which specific airplanes you’ve been on.

Creating a Regular Expression for US Tail Numbers

Each country has its own assigned format for tail numbers, so it’s possible to look at each tail number and determine what country it’s from. I wanted to create a regular expression to recognize US tail numbers.