What is the correct method to add lakhs of waypoints on a STKControl3D(Globe) in C#?

I Tried 2 methods, but both of them are really slow in adding waypoints. I have atleast 300000 coordinates.

//   ----  1  ----
this.STKControl3D.Application.ExecuteCommand($"AddWaypoint */Aircraft/Aircraft1 DetTimeFromVel {lat[i]} {lon[i]} {lalt[i]} 200"}; 

//   ----  2  ----
IAgVeWaypointsElement waypoint;
waypoint = propogator.Waypoints.Add();
waypoint.Latitude = lat[i];
waypoint.Longitude = lon[i];
waypoint.Altitude = alt[i];

Both of them are slow. Is there any other method to add waypoints faster?

Also, How to make the track of the aircraft visible?

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Chris Harrold

@Vyshakh99 I noticed your question was sitting for a while and I was going to come nudge someone to come take a look at it, but I am not sure what product/tool you are working in? If you can edit your original post and add a tag for the product to it I will make sure someone gets over to take a look!

Vyshakh99

I found a faster method. Loading .e file with all my coordinates populated.

Vyshakh99

Given the high cost of STK, I am currently utilizing a trial version to assess its compatibility with our requirements. During my exploration, I have noticed a scarcity of resources for STK Programming, apart from the provided documentation.