This data is collected from aerial photographs (older) and satellite imagery. GPX – GPS data file format containing, among other things, waypoints and tracksĭEM – digital elevation model. Transparency – Transparencies in layers allow you to see layers below.

Layers that are above cover layers that are below. Layers – Image and GIS editing programs use layers, similar to the layers of paper on a desk. GeoTIFF or GeoPDF – TIFFs or PDFs that have embedded GIS information GIS – a Geographic Information System is a system designed to capture, store, manipulate, analyze, manage, and present all types of spatial or geographical data. Google Earth Pro: and use GEPFREE as the install key if asked. Have you been using your Smartphone for navigation lately? Wondering if it makes any sense to keep bringing along that old GPS (so say nothing of a map and compass…)? Check out my article on Trip Planning for Garmin GPS units with Google Earth. QGIS – If you want to do more complicated things with a map a full-fledged GIS program allows you to create maps that are fully customized to your needs.Photo Editors - this can be a quick and dirty way of printing print-ready maps available online using software already on your computer.– an easy, inexpensive online way to produce good topo maps on high quality paper.I’ll go over the first two superficially, reserving most of our time for learning to use Quantum GIS (QGIS). Three techniques for printing your own topo maps will be discussed here.

Design your own map free