3D Route Builder is a powerful GPS editor for fine grain control over paths directly in Google Earth. These can then be either built from scratch or based on existing KML/KMZ, GPX or Garmin Training Center TCX (Edge and Forerunner 305). They can then be retraced at scalable real time speed.
Fine grain, live control over 3D paths in Google Earth - Compliments the built-in Path Editor
Google Earth embedded in 3D Route Builder
Edit and build paths - modify or create from scratch accurate GPS and Garmin data sets with Altitude and time-stamps
Import, edit or create time-stamps including selective re-scaling and nudging
Synchronize with video (e.g. helmet cam recordings)
Playback routes in real time with helicopter tracking
Get altitude and location data from Google Earth (Altitude Filler / Extract Altitude / Elevation)
Adjust altitude and location of one or more points in centimeter increments
View altitude profile against distance
View altitude profile Against Time (Plus Version Only)
Correct barometric drift
Smoothing of altitude profiles
Import KML/KMZ, GPX or Garmin Training Center TCX (Edge and Forerunner 305)
Export data as GPS Exchange Format (GPX), Google Earth (KML, KMZ), Garmin (CRS or TCX), Salite (Mountain Pass profile format), (Customizable) Comma Separated Values, and Pro-Cycling Manager XML format
Edit and save your existing GPX, KML/KMZ, Garmin TCX files. Move points in location, altitude and time without altering your original file format (Plus Version Only)