private void AddLocationsFolder(Document document)
{
var locationFolder = new Folder
{
Name = "Locations"
};
document.AddFeature(locationFolder);
var listStyle = new ListStyle
{
ItemType = ListItemType.CheckHideChildren,
};
listStyle.AddItemIcon(new ItemIcon
{
Href = new Uri("http://maps.google.com/mapfiles/kml/shapes/placemark_circle.png", UriKind.Absolute)
});
locationFolder.AddStyle(new Style
{
List = listStyle
});
locationFolder.AddFeature(this.From.ToKmlPlacemark(KmlCommonElements.PlacementCircleStyleMapReferenceUri));
locationFolder.AddFeature(this.To.ToKmlPlacemark(KmlCommonElements.PlacementCircleStyleMapReferenceUri));
}
/// <summary>
/// Creates a KML folder with the visualization settings of the link.
/// </summary>
/// <param name="directionVector">The direction vector to convert.</param>
/// <returns>The KML elements for visualizing the link.</returns>
public static Folder ToKmlLinkFolder(this IDirectionVector directionVector)
{
if (directionVector == null)
{
throw new ArgumentNullException(nameof(directionVector), "directionVector is null");
}
var fromAsHamnetSite = directionVector.From as IHamnetDbSite;
var toAsHamnetSite = directionVector.To as IHamnetDbSite;
var linkFolder = new Folder
{
Name = (fromAsHamnetSite != null) && (toAsHamnetSite != null)
? $"Link between {fromAsHamnetSite.Callsign?.ToUpperInvariant()} and {toAsHamnetSite.Callsign?.ToUpperInvariant()}"
: $"Link between {directionVector.From.Latitude}/{directionVector.From.Longitude} and {directionVector.To.Latitude}/{directionVector.To.Longitude}",
Visibility = true
};
var listStyle = new ListStyle
{
ItemType = ListItemType.CheckHideChildren,
};
listStyle.AddItemIcon(new ItemIcon
{
Href = new Uri("empty_icon.png", UriKind.Relative)
});
linkFolder.AddStyle(new Style
{
List = listStyle
});
linkFolder.AddFeature(CreateLinePlacemark(directionVector.From, directionVector.To, "Line with screen to ground", new Uri("#line", UriKind.Relative), true, string.Empty));
// description will be added to the larger (outer) zone only - hence the 2.4 GHz zone
string description = KmlCommonElements.BalloonCssString;
description += (fromAsHamnetSite != null) && (toAsHamnetSite != null)
? $"<h2>Link between {fromAsHamnetSite.Callsign?.ToUpperInvariant()} and {toAsHamnetSite.Callsign?.ToUpperInvariant()}</h2>"
: $"<h2>Link between {directionVector.From.Latitude}/{directionVector.From.Longitude} and {directionVector.To.Latitude}/{directionVector.To.Longitude}</h2>";
description += $@"<table>
<tr><td class=""left"">distance: </td><td>{directionVector.Distance / 1000.0:F1} km</td></tr>
<tr><td class=""left"">azimuth to: </td><td>{directionVector.Bearing:F1}°</td></tr>
<tr><td class=""left"">elevation to: </td><td>{directionVector.Elevation:F1}°</td></tr>
<tr><td class=""left"">azimuth from: </td><td>{(directionVector.Bearing + 180.0) % 360.0:F3}°</td></tr>
<tr><td class=""left""><a href=""https://en.wikipedia.org/wiki/Free-space_path_loss"">FSPL</a>: </td><td>{directionVector.Distance.FreeSpacePathloss(2.4e9):F1} dB @ 2.4 GHz<br>{directionVector.Distance.FreeSpacePathloss(5.8e9):F1} dB @ 5.8 GHz</td></tr>
</table>";
linkFolder.AddFeature(CreateFresnelPlacemark(directionVector, "2.4 GHz fresnel zone", 2.4e9, KmlCommonElements.PolygonStyleTransparentReferenceUri, description));
linkFolder.AddFeature(CreateFresnelPlacemark(directionVector, "5.8 GHz fresnel zone", 5.8e9, KmlCommonElements.PolygonStyleReferenceUri, string.Empty));
return(linkFolder);
}