public void TestTileCreation()
{
// 51.27056&lon=4.78849
// http://tile.deltamedia.local/tile/16/33639/21862.png
Tile tile = new Tile(33639, 21862, 16);
Tile tile2 = Tile.CreateAroundLocation(tile.Box.Center, 16);
Assert.AreEqual(tile.X, tile.X);
Assert.AreEqual(tile.Y, tile.Y);
Assert.AreEqual(tile.Zoom, tile.Zoom);
}
public void TestTileBox()
{
Tile tile = new Tile(33639, 21862, 16);
for (double longitude = tile.Box.MinLon; longitude < tile.Box.MaxLon;
longitude = longitude + tile.Box.DeltaLon / 100)
{
for (double latitude = tile.Box.MinLat; latitude < tile.Box.MaxLat;
latitude = latitude + tile.Box.DeltaLon / 100)
{
Tile tile2 = Tile.CreateAroundLocation(new GeoCoordinate(
latitude, longitude), tile.Zoom);
Assert.AreEqual(tile.X, tile.X);
Assert.AreEqual(tile.Y, tile.Y);
Assert.AreEqual(tile.Zoom, tile.Zoom);
}
}
}
public string Get(DataOperation request)
{
try
{
// parse the zoom, x and y.
int x, y, zoom;
if (!int.TryParse(request.X, out x))
{
// invalid x.
throw new InvalidCastException("Cannot parse x-coordinate!");
}
if (!int.TryParse(request.Y, out y))
{
// invalid y.
throw new InvalidCastException("Cannot parse y-coordinate!");
}
if (!int.TryParse(request.Zoom, out zoom))
{
// invalid zoom.
throw new InvalidCastException("Cannot parse zoom!");
}
// create the filter.
var tile = new Tile(x, y, zoom);
// invert the y-coordinate, system of HOT-tasking manager is inverted.
tile = tile.InvertY();
// execute the request.
return (new DataService()).RequestData(request.File, tile.Box);
}
catch (Exception ex)
{
base.Response.StatusCode = (int)HttpStatusCode.BadRequest;
return string.Empty;
}
}
