/// <summary>
/// Adds a GeoJson file to the layer.
/// </summary>
/// <param name="file"></param>
public void AddFile(GeoJsonFile file)
{
if (file.Features is null)
{
throw new Exception(
$"The {nameof(GeoJsonFile.Features)} property is required to build a {nameof(CoreMap<TDrawingContext>)} instance. " +
$"Ensure the property is not null.");
}
foreach (var feature in file.Features)
{
if (feature.Geometry is null || feature.Geometry.Coordinates is null)
{
continue;
}
var name = (feature.Properties?["name"] ?? "?").ToLowerInvariant();
var shortName = (feature.Properties?["shortName"] ?? "?").ToLowerInvariant();
var setOf = (feature.Properties?["setOf"] ?? "?").ToLowerInvariant();
var definition = new LandDefinition(shortName, name, setOf);
var dataCollection = new List <LandData>();
foreach (var geometry in feature.Geometry.Coordinates)
{
foreach (var segment in geometry)
{
var data = new LandData(segment);
if (data.MaxBounds[0] > definition.MaxBounds[0])
{
definition.MaxBounds[0] = data.MaxBounds[0];
}
if (data.MinBounds[0] < definition.MinBounds[0])
{
definition.MinBounds[0] = data.MinBounds[0];
}
if (data.MaxBounds[1] > definition.MaxBounds[1])
{
definition.MaxBounds[1] = data.MaxBounds[1];
}
if (data.MinBounds[1] < definition.MinBounds[1])
{
definition.MinBounds[1] = data.MinBounds[1];
}
dataCollection.Add(data);
}
}
definition.Data = dataCollection.OrderByDescending(x => x.BoundsHypotenuse).ToArray();
Lands.Add(shortName, definition);
}
}
/// <summary>
/// Initializes a new instance of <see cref="MapContext{TDrawingContext}"/> class.
/// </summary>
public MapContext(
GeoMap <TDrawingContext> core,
IGeoMapView <TDrawingContext> view,
GeoJsonFile map,
MapProjector projector)
{
CoreMap = core;
MapFile = map;
Projector = projector;
View = view;
}