GPX Viewer is a simple program to visualize a gpx file. It uses libchamplain and cairo for the plot. It has the following features: - show multiple GPX files. - show waypoints and multiple tracks per gpx file. - highlight selected track. - show speed vs time graph. - show distance, duration, average, moving average, max speed, moving time and gps points. - zooming. - smoothing of speed graph. - highlighting points in speed graph on map.
WWW: http://blog.sarine.nl/gpx-viewer/