/// <summary>
/// Returns a formatted description for given airspace
/// </summary>
/// <param name="airspace">airspace to use</param>
/// <returns>description text</returns>
private static string DescriptionFromAirspace(Airspace.Airspace airspace)
{
var sb = new StringBuilder();
sb.Append("Name: " + airspace.Name + "\n");
sb.Append("Class: " + airspace.Class.ToString());
if (!string.IsNullOrEmpty(airspace.AirspaceType))
{
sb.Append($" ({airspace.AirspaceType})");
}
sb.Append("\n");
sb.Append($"{airspace.Floor} -> {airspace.Ceiling}\n");
if (!string.IsNullOrEmpty(airspace.Description))
{
sb.Append($"Description: {airspace.Description}\n");
}
if (!string.IsNullOrEmpty(airspace.Frequency))
{
sb.Append($"Frequency: {airspace.Frequency}");
}
if (!string.IsNullOrEmpty(airspace.CallSign))
{
sb.Append($"Call sign: {airspace.CallSign}");
}
sb.Replace("\n\n", "\n");
sb.Replace("\n", "<br/>");
return(sb.ToString());
}
/// <summary>
/// Creates a Czml.Object from given airspace
/// </summary>
/// <param name="airspace">airspace to use</param>
/// <returns>created CZML object</returns>
private static Czml.Object CzmlObjectFromAirspace(Airspace.Airspace airspace)
{
double height = HeightFromAltitude(airspace.Ceiling) - HeightFromAltitude(airspace.Floor);
if (airspace.Geometry is Circle circle)
{
return(new Czml.Object
{
Name = airspace.Name,
Description = DescriptionFromAirspace(airspace),
Position = PositionFromCoord(circle.Center, airspace.Floor),
Cylinder = new Czml.Cylinder
{
BottomRadius = circle.Radius,
TopRadius = circle.Radius,
Length = height,
HeightReference = HeightReferenceFromAltitude(airspace.Floor),
Material = MaterialFromAirspace(airspace),
Outline = true,
OutlineColor = ColorFromAirspace(airspace, outlineColor: true),
},
});
}
if (airspace.Geometry is Airspace.Polygon polygon)
{
Czml.PositionList positions = GetPolygonPointsFromAirspacePolygon(polygon, airspace.Floor);
if (!positions.CartographicDegrees.Any())
{
return(null);
}
return(new Czml.Object
{
Name = airspace.Name,
Description = DescriptionFromAirspace(airspace),
Polygon = new Czml.Polygon
{
Positions = positions,
Height = HeightFromAltitude(airspace.Floor),
ExtrudedHeight = HeightFromAltitude(airspace.Ceiling),
HeightReference = HeightReferenceFromAltitude(airspace.Floor),
Material = MaterialFromAirspace(airspace),
Outline = true,
OutlineColor = ColorFromAirspace(airspace, outlineColor: true),
},
});
}
throw new FormatException("invalid airspace geometry");
}
