// As above, but does not Debug.Assert-fail on invalid input. Returns true if
// conversion is successful.
public static bool MakePolyline(string str, out S2Polyline?polyline, S2Debug override_ = S2Debug.ALLOW)
{
polyline = null;
var vertices = new List <S2Point>();
if (!ParsePoints(str, vertices))
{
return(false);
}
polyline = new S2Polyline(vertices.ToArray(), override_);
return(true);
}
// As above, but does not Debug.Assert-fail on invalid input. Returns true if
// conversion is successful.
public static bool MakeLoop(string str, out S2Loop?loop, S2Debug override_ = S2Debug.ALLOW)
{
if (str == "empty")
{
loop = S2Loop.kEmpty;
return(true);
}
if (str == "full")
{
loop = S2Loop.kFull;
return(true);
}
loop = null;
var vertices = new List <S2Point>();
if (!ParsePoints(str, vertices))
{
return(false);
}
loop = new S2Loop(vertices, override_);
return(true);
}
// Similar to MakeLoop(), but returns an S2Polyline rather than an S2Loop.
public static S2Polyline MakePolylineOrDie(string str, S2Debug override_ = S2Debug.ALLOW)
{
System.Diagnostics.Debug.Assert(MakePolyline(str, out var polyline, override_));
return(polyline !.Value);
}
// Given a string of latitude-longitude coordinates in degrees,
// returns a newly allocated loop. Example of the input format:
// "-20:150, 10:-120, 0.123:-170.652"
// The strings "empty" or "full" create an empty or full loop respectively.
public static S2Loop MakeLoopOrDie(string str, S2Debug override_ = S2Debug.ALLOW)
{
System.Diagnostics.Debug.Assert(MakeLoop(str, out var loop, override_));
return(loop !);
}
