public static string AreasToGeoJson(Collection <Area> naturområder, bool addAreaLayer)
{
int featureCollectionEpsg = -1;
// Assuming that all naturområder have the same projection.
if (naturområder.Count > 0)
{
featureCollectionEpsg = naturområder[0].Geometry.STSrid.Value;
}
var features = new List <Feature>();
foreach (var naturområde in naturområder)
{
var feature = AreaToGeoJson(addAreaLayer, naturområde, featureCollectionEpsg);
features.Add(feature);
}
var featureCollection = new GeoJSON.Net.Feature.FeatureCollection(features);
if (featureCollectionEpsg != -1)
{
featureCollection.CRS = new NamedCRS("EPSG:" + featureCollectionEpsg);
}
return(GeoJsonWriter.ToGeoJson(featureCollection));
}
public static string NatureAreasToGeoJson(IEnumerable <INatureAreaGeoJson> natureAreas, bool addId)
{
int featureCollectionEpsg = -1;
if (natureAreas.Any())
{
featureCollectionEpsg = natureAreas.First().Area.STSrid.Value;
}
foreach (var natureArea in natureAreas.Skip(1))
{
if (featureCollectionEpsg == natureArea.Area.STSrid.Value)
{
continue;
}
featureCollectionEpsg = -1;
break;
}
var features = new List <Feature>();
foreach (var natureArea in natureAreas)
{
var properties = new Dictionary <string, object>();
if (natureArea.Count > 0)
{
properties["Count"] = natureArea.Count;
}
if (natureArea.Parameters.Count == 1)
{
properties["ColorCode"] = natureArea.Parameters[0].Code;
}
else if (natureArea.Parameters.Count > 1)
{
properties["ColorCode"] = "MOSAIC";
}
string id = null;
if (addId)
{
id = natureArea.UniqueId.LocalId.ToString();
}
var feature = CreateFeature(natureArea.Area, properties, id, featureCollectionEpsg);
features.Add(feature);
}
var featureCollection = new GeoJSON.Net.Feature.FeatureCollection(features);
if (featureCollectionEpsg != -1)
{
featureCollection.CRS = new NamedCRS("EPSG:" + featureCollectionEpsg);
}
return(GeoJsonWriter.ToGeoJson(featureCollection));
}
public static string GridToGeoJson(Grid grid, bool addGridLayer)
{
int featureCollectionEpsg = -1;
// Assuming that all grid cells have the same projection.
if (grid.Cells.Count > 0)
{
featureCollectionEpsg = grid.Cells[0].Geometry.STSrid.Value;
}
Dictionary <string, object> properties = null;
var features = new List <Feature>();
foreach (var cell in grid.Cells)
{
if (addGridLayer)
{
properties = new Dictionary <string, object> {
{ "value", cell.Value }
};
}
var feature = CreateFeature(cell.Geometry, properties, cell.CellId, featureCollectionEpsg);
features.Add(feature);
}
var featureCollection = new GeoJSON.Net.Feature.FeatureCollection(features);
if (featureCollectionEpsg != -1)
{
featureCollection.CRS = new NamedCRS("EPSG:" + featureCollectionEpsg);
}
return(GeoJsonWriter.ToGeoJson(featureCollection));
}