public static ILayer CreateCityHoverPoints()
{
var features = WorldCities.GenerateTop100();
return(new MemoryLayer
{
DataSource = new MemoryProvider <IFeature>(features),
Style = CreateCityStyle(),
Name = "Points",
IsMapInfoLayer = true
});
}
public static ILayer CreateCityHoverPoints()
{
var features = WorldCities.GenerateTop100();
return(new MemoryLayer
{
Features = features,
Style = CreateCityStyle(),
Name = "Points",
IsMapInfoLayer = true
});
}
public static WorldCities ProcessWorldCities(ShapefileConverter shapefile)
{
var cities = new WorldCities();
foreach (ShapefileRecord record in shapefile)
{
var item = new WorldCity();
if (record.Fields != null)
{
if (item.Population < 0)
{
item.Population = 0;
}
// get geo-location from shape file (SHP)
item.Longitude = record.Points[0][0].X;
item.Latitude = record.Points[0][0].Y;
// get data about a location from database file (DBF)
if (record.Fields.ContainsKey("COUNTRY_NA"))
{
item.CountryName = (string)(record.Fields["COUNTRY_NA"]);
}
if (record.Fields.ContainsKey("NAME"))
{
item.CityName = (string)(record.Fields["NAME"]);
}
if (record.Fields.ContainsKey("POPULATION"))
{
item.Population = (double)(record.Fields["POPULATION"]);
}
if (record.Fields.ContainsKey("CAPITAL"))
{
item.IsCapital = (string)(record.Fields["CAPITAL"]) == "N" ? false : true;
}
//if (item.CountryName == "US" || item.CountryName == "USA") item.CountryName = "United States";
//if (item.CountryName == "UK" || item.CountryName == "GB") item.CountryName = "United Kingdom";
item.Label = "City: " + item.CityName + ", " + item.CountryName
+ Environment.NewLine + "Population: " + String.Format("{0:#,##0,,.0 M}", item.Population);
cities.Population.Update(item.Population);
// add an item to data collection
cities.Add(item);
}
}
cities.Sort((x, y) => - x.Population.CompareTo(y.Population));
return(cities);
}
public static Layer CreateWorldCitiesLayer()
{
var features = WorldCities.GenerateTop100();
var memoryProvider = new MemoryProvider <IFeature>(features)
{
CRS = "EPSG:4326" // The DataSource CRS needs to be set
};
var dataSource = new ProjectingProvider(memoryProvider)
{
CRS = "EPSG:3857"
};
return(new Layer
{
DataSource = dataSource,
Name = "Cities",
Style = CreateCityStyle(),
IsMapInfoLayer = true
});
}