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The Minify tool reduces the number of GPS points in a track while maintaining the overall shape and accuracy of the route. This is useful for decreasing file size and improving performance.

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How It Works

The tool uses the Ramer-Douglas-Peucker algorithm to intelligently remove points that don’t significantly contribute to the route’s shape.

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Using the Tool

  1. Select a track in the File Tree
  2. Open the Minify tool
  3. Adjust the tolerance slider to control simplification level
  4. Preview the simplified track on the map
  5. Review the point count showing how many points will be kept
  6. Click Apply when satisfied

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Tolerance Setting

The tolerance value represents the maximum distance allowed between the original track and the simplified version.
  • Lower tolerance → More points kept, closer to original
  • Higher tolerance → Fewer points, more simplified
The tolerance is measured in meters. A tolerance of 5m means no point on the simplified track will be more than 5 meters away from the original path.

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Use Cases

  • Large GPS recordings - Reduce file size for tracks with excessive point density
  • Device compatibility - Some GPS devices have limits on the number of points they can handle
  • Faster loading - Simplified tracks render more quickly on the map
  • Sharing - Smaller files are easier to share and upload