/// <summary>
/// This function create a random ellipse
/// </summary>
public static Ellipse CreateEllipse()
{
IPosition position = Helper.CreateRandomPosition();
double x = position.Latitude;
double y = position.Longitude;
double a = 50000; //axes in meters
double b = 22000; //axes in meters
var rotation = 0;
var k = Math.Ceiling(36 * (Math.Max(a / b, b / a)));
List <IPosition> coords = new List <IPosition>();
for (var i = 0; i <= k; i++)
{
// get the current angle
var angle = Math.PI * 2 / k * i + rotation;
// get the radius at that angle
double r = a * b / Math.Sqrt(a * a * Math.Sin(angle) * Math.Sin(angle) + b * b * Math.Cos(angle) * Math.Cos(angle));
coords.Add(GeometryHelper.GetLatLong(new Position(x, y), angle, r));
}
ISymbolizer symbolizer = Helper.CreateRandomSymbolizer();
Ellipse ellipse = new Ellipse(new List <LineString>
{
new LineString(coords)
});
ellipse.Symbolizer = symbolizer;
return(ellipse);
}
/// <summary>
/// Creates an instance of this class
/// </summary>
/// <param name="layerName">The name of the layer</param>
/// <param name="dataSource">The data source</param>
/// <param name="symbolizer">The symbolizer</param>
protected BaseVectorLayer(string layerName, IProvider dataSource, ISymbolizer <TGeometry> symbolizer)
: base(new Style(), new VectorRendererAdapter())
{
LayerName = layerName;
_dataSource = dataSource;
Symbolizer = symbolizer;
}
internal static Image CreatePuntalSymbol(Size symbolSize, ISymbolizer sym)
{
using (var map = new Map(symbolSize))
{
var l = new PuntalVectorLayer("0", new GeometryProvider(
map.Factory.CreatePoint(new Coordinate(symbolSize.Width / 2d, symbolSize.Height / 2d))));
var s = (IPointSymbolizer)sym.Clone();
s.Offset = new PointF(0, 0);
if (s.Size.Width > symbolSize.Width)
{
s.Scale = (float)symbolSize.Width / s.Size.Width;
}
if (s.Size.Height * s.Scale > symbolSize.Height)
{
s.Scale = (float)symbolSize.Height / s.Size.Height;
}
s.Scale *= 0.8f;
l.Symbolizer = s;
map.Layers.Add(l);
map.ZoomToBox(new Envelope(0, symbolSize.Width, 0, symbolSize.Height));
return(map.GetMap());
}
}
private static Map CreateMap(Size size, ISymbolizer symbolizer)
{
var map = new Map(size);
map.ZoomToBox(new Envelope(0, size.Width, 0, size.Height));
return(map);
}
public MainWindow()
{
InitializeComponent();
converter = new ToneBasedSymbolizer();
converter.DefaultPalette = new AsciiPalette(new []{' ', '.', '+', ':', '&'}, true);
converter.DefaultBlockSize = new System.Drawing.Size(10, 10);
}
private static bool IsLineSymbolizer(ISymbolizer symolizer)
{
if (symolizer is ISymbolizer<ILineal>)
return true;
if (symolizer is ISymbolizer<IGeometry>)
return true;
return false;
}
private static bool IsPolygonSymbolizer(ISymbolizer symolizer)
{
if (symolizer is ISymbolizer<IPolygonal>)
return true;
if (symolizer is ISymbolizer<IGeometry>)
return true;
return false;
}
public MainWindow()
{
InitializeComponent();
converter = new ToneBasedSymbolizer();
converter.DefaultPalette = new AsciiPalette(new [] { ' ', '.', '+', ':', '&' }, true);
converter.DefaultBlockSize = new System.Drawing.Size(10, 10);
}
/// <summary>
/// This function create a random circle
/// </summary>
public static Circle CreateCircle()
{
IPosition position = Helper.CreateRandomPosition();
ISymbolizer symbolizer = Helper.CreateRandomSymbolizer();
Circle circle = new Circle(position);
circle.Symbolizer = symbolizer;
return(circle);
}
private static Image CreateSymbolizerImage(ILegendFactory factory, ISymbolizer symbolizer)
{
var lif = factory[symbolizer];
if (lif != null)
{
var item = lif.Create(null, symbolizer);
return(item.Symbol);
}
return(null);
}
private static bool IsLineSymbolizer(ISymbolizer symolizer)
{
if (symolizer is ISymbolizer <ILineal> )
{
return(true);
}
if (symolizer is ISymbolizer <IGeometry> )
{
return(true);
}
return(false);
}
private static bool IsPolygonSymbolizer(ISymbolizer symolizer)
{
if (symolizer is ISymbolizer <IPolygonal> )
{
return(true);
}
if (symolizer is ISymbolizer <IGeometry> )
{
return(true);
}
return(false);
}
internal static Image CreateLinealSymbol(Size symbolSize, ISymbolizer sym)
{
using (var map = new Map(symbolSize))
{
var l = new LinealVectorLayer("0", new GeometryProvider(
map.Factory.CreateLineString(new[] { new Coordinate(2, 2), new Coordinate(8, 12), new Coordinate(12, 11), new Coordinate(22, 2) })));
l.Symbolizer = (ILineSymbolizer)sym.Clone();
map.Layers.Add(l);
map.ZoomToBox(new Envelope(0, symbolSize.Width, 0, symbolSize.Height));
return(map.GetMap());
}
}
public static Image CreatePolygonalSymbol(Size symbolSize, ISymbolizer sym)
{
using (var map = new Map(symbolSize))
{
var l = new PolygonalVectorLayer("0", new GeometryProvider(
map.Factory.ToGeometry(new Envelope(2, symbolSize.Width - 4, 2, symbolSize.Height - 4))));
l.Symbolizer = (IPolygonSymbolizer)sym.Clone();
map.Layers.Add(l);
map.ZoomToBox(new Envelope(0, symbolSize.Width, 0, symbolSize.Height));
return(map.GetMap());
}
}
public SymbolCollection(ISymbolizer parent) : base(parent)
{
}
private static Map CreateMap(Size size, ISymbolizer symbolizer)
{
var map = new Map(size);
map.ZoomToBox(new Envelope(0, size.Width, 0, size.Height));
return map;
}
public static Image CreatePolygonalSymbol(Size symbolSize, ISymbolizer sym)
{
using (var map = new Map(symbolSize))
{
var l = new PolygonalVectorLayer("0", new GeometryProvider(
map.Factory.ToGeometry(new Envelope(2, symbolSize.Width - 4, 2, symbolSize.Height - 4))));
l.Symbolizer = (IPolygonSymbolizer)sym.Clone();
map.Layers.Add(l);
map.ZoomToBox(new Envelope(0, symbolSize.Width, 0, symbolSize.Height));
return map.GetMap();
}
}
internal static Image CreateLinealSymbol(Size symbolSize, ISymbolizer sym)
{
using (var map = new Map(symbolSize))
{
var l = new LinealVectorLayer("0", new GeometryProvider(
map.Factory.CreateLineString(new[] { new Coordinate(2, 2), new Coordinate(8, 12), new Coordinate(12, 11), new Coordinate(22, 2) })));
l.Symbolizer = (ILineSymbolizer)sym.Clone();
map.Layers.Add(l);
map.ZoomToBox(new Envelope(0, symbolSize.Width, 0, symbolSize.Height));
return map.GetMap();
}
}
/// <summary>
/// Creates an instance of this class
/// </summary>
/// <param name="layerName">The layer's name</param>
/// <param name="dataSource">The layer's datasource</param>
/// <param name="symbolizer">The layer's symbolizer</param>
public PolygonalVectorLayer(string layerName, IProvider dataSource, ISymbolizer <IPolygonal> symbolizer)
: base(layerName, dataSource, symbolizer)
{
}
/// <summary>
/// Creates an instance of this class
/// </summary>
/// <param name="layerName">The name of the layer</param>
/// <param name="dataSource">The data source</param>
/// <param name="symbolizer">The symbolizer</param>
protected BaseVectorLayer(string layerName, IProvider dataSource, ISymbolizer <TGeometry> symbolizer)
{
LayerName = layerName;
_dataSource = dataSource;
Symbolizer = symbolizer;
}
internal static Image CreatePuntalSymbol(Size symbolSize, ISymbolizer sym)
{
using (var map = new Map(symbolSize))
{
var l = new PuntalVectorLayer("0", new GeometryProvider(
map.Factory.CreatePoint(new Coordinate(symbolSize.Width / 2d, symbolSize.Height / 2d))));
var s = (IPointSymbolizer)sym.Clone();
s.Offset = new PointF(0, 0);
if (s.Size.Width > symbolSize.Width)
s.Scale = (float)symbolSize.Width / s.Size.Width;
if (s.Size.Height * s.Scale > symbolSize.Height)
s.Scale = (float)symbolSize.Height / s.Size.Height;
s.Scale *= 0.8f;
l.Symbolizer = s;
map.Layers.Add(l);
map.ZoomToBox(new Envelope(0, symbolSize.Width, 0, symbolSize.Height));
return map.GetMap();
}
}
public void SetUp()
{
symbolizer = new ToneBasedSymbolizer();
palette = new AsciiPalette(new char[] { ' ', '.', '+', 'N', '&' }, true);
}
public void SetUp()
{
symbolizer = new ToneBasedSymbolizer();
palette = new AsciiPalette(new char[] { ' ', '.', '+', 'N', '&' }, true);
}
