Description

SGP4 TLE Automatic Update properties.

Object Model

Public Properties

FileSource	A file to be used as the TLE source.
OnlineSource	AGI server to be used as the TLE source.
Properties	The Automatic Update selection and method.
SelectedSource	The source type for TLE updates.

Example

Set SGP4 to auto-update from file source

[C#] Copy Code

propagator.AutoUpdateEnabled = true; 

propagator.AutoUpdate.SelectedSource = AgEVeSGP4AutoUpdateSource.eSGP4AutoUpdateSourceFile; 

propagator.AutoUpdate.FileSource.Filename = fileUpdateSource; 

 

// Preview TLEs (optional) 

// Preview() returns a one dimension string of tles 

Array tles = propagator.AutoUpdate.FileSource.Preview(); 

 

Regex rx = new Regex(@"^(?<ssc>[-]?\d+) (?<orbitepoch>[-]?\d+[.]?\d+) (?<revnumber>[-]?\d+)$"); 

foreach (object line in tles) 

{ 

    Match m = rx.Match(line.ToString()); 

    Console.WriteLine("SCC: {0}, orbit epoch: {1}, rev number: {2}", m.Groups["ssc"], m.Groups["orbitepoch"], m.Groups["revnumber"]); 

} 

 

// Propagate 

propagator.Propagate();

Set SGP4 to auto-update from online source

[C#] Copy Code

propagator.AutoUpdateEnabled = true; 

propagator.AutoUpdate.SelectedSource = AgEVeSGP4AutoUpdateSource.eSGP4AutoUpdateSourceOnline; 

 

// Preview TLEs (optional) 

// Preview() returns a one dimension string of tles 

Array tles = propagator.AutoUpdate.FileSource.Preview(); 

 

Regex rx = new Regex(@"^(?<ssc>[-]?\d+) (?<orbitepoch>[-]?\d+[.]?\d+) (?<revnumber>[-]?\d+)$"); 

foreach (object line in tles) 

{ 

    Match m = rx.Match(line.ToString()); 

    Console.WriteLine("SCC: {0}, orbit epoch: {1}, rev number: {2}", m.Groups["ssc"], m.Groups["orbitepoch"], m.Groups["revnumber"]); 

} 

 

// Propagate 

propagator.Propagate();

Set SGP4 to auto-update from file source

[Visual Basic .NET] Copy Code

propagator.AutoUpdateEnabled = True
 propagator.AutoUpdate.SelectedSource = AgEVeSGP4AutoUpdateSource.eSGP4AutoUpdateSourceFile
 propagator.AutoUpdate.FileSource.Filename = fileUpdateSource

' Preview TLEs (optional)
' Preview() returns a one dimension string of tles
Dim tles As Array = propagator.AutoUpdate.FileSource.Preview()

Dim rx As New Regex("^(?[-]?\d+) (?[-]?\d+[.]?\d+) (?[-]?\d+)$")
For Each line As Object In tles
     Dim m As Match = rx.Match(line.ToString())
     Console.WriteLine("SCC: {0}, orbit epoch: {1}, rev number: {2}", m.Groups("ssc"), m.Groups("orbitepoch"), m.Groups("revnumber"))
Next

' Propagate
 propagator.Propagate()

Set SGP4 to auto-update from online source

[Visual Basic .NET] Copy Code

propagator.AutoUpdateEnabled = True
 propagator.AutoUpdate.SelectedSource = AgEVeSGP4AutoUpdateSource.eSGP4AutoUpdateSourceOnline

' Preview TLEs (optional)
' Preview() returns a one dimension string of tles
Dim tles As Array = propagator.AutoUpdate.FileSource.Preview()

Dim rx As New Regex("^(?[-]?\d+) (?[-]?\d+[.]?\d+) (?[-]?\d+)$")
For Each line As Object In tles
     Dim m As Match = rx.Match(line.ToString())
     Console.WriteLine("SCC: {0}, orbit epoch: {1}, rev number: {2}", m.Groups("ssc"), m.Groups("orbitepoch"), m.Groups("revnumber"))
Next

' Propagate
 propagator.Propagate()

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IAgVeSGP4AutoUpdate Interface