/// <summary>
///
/// </summary>
/// <param name="left"></param>
/// <param name="bottom"></param>
/// <param name="right"></param>
/// <param name="top"></param>
public void LoadMap(double left, double bottom, double right, double top)
{
shapeQueue = new BlockingCollection <Shape>();
Task.Factory.StartNew(() =>
{
try
{
string err = "";
using (var map = new OsmProvider())
{
if (map.BBox(left, bottom, right, top, out err))
{
foreach (var building in map.Buildings())
{
shapeQueue.Add(building);
}
foreach (var plant in map.Natural())
{
shapeQueue.Add(plant);
}
}
else
{
MessageBox.Show(err, "OSM reader error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, "OSM reader unexpected error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
});
}
/// <summary>
/// Initialises a new instance of the MapControl class.
/// Sets OpenStreetMap_Original and Disc Caching as the default Map and caching providers.
/// Sets MinZoom of the default Map Proider as the Zoom and (0,0) as the position.
/// </summary>
/// <param name="batch">The SpriteBatch to use for drawing.</param>
/// <param name="device">The graphicsDevice to draw the map on.</param>
/// <param name="bounds">The bounds rectangle on the viewport at which the map shall be drawn.</param>
public MapControl(SpriteBatch batch, GraphicsDevice device, MapRectangle bounds)
{
_sBatch = batch;
_device = device;
_map = new TiledMapProvider(OsmProvider.GetInstance(), new DiscTileCaching("cache"));
_map.Zoom = _map.Provider.MinZoom;
_map.Position = new MapPointLatLon(0, 0);
_map.ViewBounds = bounds;
// Somewhere in your LoadContent() method:
// Set the pixel texture.
_pixel = new Texture2D(_device, 1, 1, false, SurfaceFormat.Color);
_pixel.SetData(new[] { Color.White });
}
/// <summary>
///
/// </summary>
/// <param name="filename"></param>
public void LoadMap(string filename)
{
shapeQueue = new BlockingCollection <Shape>();
tokenSource = new CancellationTokenSource();
var token = tokenSource.Token;;
task = Task.Factory.StartNew(() =>
{
try
{
string err = "";
using (var map = new OsmProvider())
{
if (map.Load(filename))
{
foreach (var building in map.Buildings())
{
if (token.IsCancellationRequested || building == null)
{
break;
}
shapeQueue.Add(building);
}
foreach (var plant in map.Natural())
{
if (token.IsCancellationRequested || plant == null)
{
break;
}
shapeQueue.Add(plant);
}
}
else
{
MessageBox.Show(err, "OSM reader error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, "OSM reader unexpected error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}, token);
}
