How to import a .gpx file into a Garmin 765T to create a custom route

[NONREV]

I don't know the Garmin 765T but it seems to be at least an upper middle class device. That means it should offer access to a memory card or it's internal filesystem via USB I guess to load and store routes.

Yes, it does offer USB access to the internal memory and there is a SDHC Card slot as well...

Yes, try to create a route on the device and then get access to it's file system to retrieve it. The format of that route and it's location is most probably what you need for custom routes.

I think I can do this... let me get into it later today and see what I find out.

There are several algorithms for this in the 'Plan/Transform Track into Route' dialog. Starting from simple pick every 5th waypoint to the Douglas-Peucker Algorithm.

Dang, I KNEW I should have paid attention in school....

I hope understood my idea despite of my solid half knowledge of your GPS device? If not, how can I help you?

I will try to get into the file system... for starters.

I was able to remove every other waypoint...
I also was able to pare the number of waypoints down to 100 from a 457 waypoint list....
I think there is a way to (from a route or track) make a list of waypoints that are (hypothetically) say 1 mile (1.6 km) apart... that'd REALLY help if I could figure out how to do that using Route Converter...

I'm gonna keep messing with it...

We're off to a great start...

Would it help if I sent you the .gpx file??