GPX Trackpoint Reduction

Command line arguments: pointCount filespec prefix
Max Trackpoints:
FileSpec:
UL Lat: UL Lon: Blockout Rectangle
LR Lat: LR Lon: (to mask actual start point)
Replace With Lat: Replace With Lon:
Randomize Start:
New Filename prefix:

Or ...
Paste GPX File here
Results GPX File here