public static string FeatureCollectionFromWKT()
{
string[] WKTs =
{
"POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))",
"MULTIPOINT ((10 40), (40 30), (20 20), (30 10))",
"LINESTRING (1 1, 2 2)"
};
FeatureCollection features = new FeatureCollection(WKTs);
return(features.Serialize(prettyPrint: true));
}
public static string FeatureCollectionFromDB()
{
if (!TestDBConnection())
{
return(null);
}
using (Entities db = new Entities())
{
DbGeometry[] data = (from row in db.SampleTables select row.SpatialData).ToArray();
FeatureCollection features = new FeatureCollection(data);
return(features.Serialize(prettyPrint: true));
}
}
public static string ToGeoJson(DbGeometry geom)
{
FeatureCollection features = new FeatureCollection(geom);
return(Regex.Replace(features.Serialize(prettyPrint: true), @"\s", ""));
}