ArcGIS Desktop suite can offer multiple ways of getting the information from your GPS Receiver and putting it on a map: you can download your waypoints, tracks and load them to ArcMap using Event layers, tables or by using custom applications to streamline the process. The easiest way is just to connect your GPS device to your laptop or desktop PC and access it using the GPS Toolbar in ArcMap. Continue reading
Ever tried to add points from an Excel spreadsheet or GPS log, and had them not appear where they were supposed to? Chances are you’ve got a case of muddled coordinate systems.
When you view x,y data in ArcGIS (using the “Display XY data…” dialog or the “create feature layer” tool), you must tell ArcGIS what coordinate system the x,y coordinates are in. However, in its quest to make your life easier, it often auto-selects a coordinate system for you – which, despite the best intentions, can cause headaches down the track. Read on for the cause, and more importantly, the solution… Continue reading