public byte[] GetTile(BruTile.TileInfo tileInfo)
{
string url = _tileSchema.mapUrlTemplates[r.Next(0, _tileSchema.mapUrlTemplates.Length - 1)];
url = string.Format(url, tileInfo.Index.Col, tileInfo.Index.Row, tileInfo.Index.Level, calculateSParam(tileInfo.Index.Col, tileInfo.Index.Row));
byte[] data = Fetch(url);
if (_tileSchema._mapType == GoogleV3TileSource.MapTypeId.HYBRID)
{
string overlayurl = _tileSchema.overlayUrlTemplates[r.Next(0, _tileSchema.overlayUrlTemplates.Length - 1)];
overlayurl = string.Format(overlayurl, tileInfo.Index.Col, tileInfo.Index.Row, tileInfo.Index.Level, calculateSParam(tileInfo.Index.Col, tileInfo.Index.Row));
byte[] overlayData = Fetch(overlayurl);
using (MemoryStream ms = new MemoryStream(data))
{
using (MemoryStream ms2 = new MemoryStream(overlayData))
{
System.Drawing.Image img = new System.Drawing.Bitmap(ms);
System.Drawing.Image overlayimg = new System.Drawing.Bitmap(ms2);
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(img))
{
g.DrawImage(overlayimg, 0, 0);
}
using (MemoryStream newMs = new MemoryStream())
{
ImageCodecInfo jgpEncoder = GetEncoder(ImageFormat.Jpeg);
System.Drawing.Imaging.Encoder myEncoder =
System.Drawing.Imaging.Encoder.Quality;
EncoderParameters myEncoderParameters = new EncoderParameters(1);
EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder,
90L);
myEncoderParameters.Param[0] = myEncoderParameter;
img.Save(newMs, jgpEncoder, myEncoderParameters);
newMs.Seek(0, SeekOrigin.Begin);
data = new byte[newMs.Length];
newMs.Read(data, 0, data.Length);
newMs.Close();
}
ms2.Close();
}
ms.Close();
}
}
return data;
}
public WmsTileSchema(string name, BruTile.Extent extent, string srs, string format, int tileSize, double highestResUnitsPerPixel, AxisDirection axis)
{
// Make us a new extent that is square
double minx, miny, maxx, maxy, size;
if (extent.Width > extent.Height)
{
minx = extent.MinX;
maxx = extent.MaxX;
size = maxx - minx;
miny = extent.MinY;
maxy = miny + size;
}
else
{
miny = extent.MinY;
maxy = extent.MaxY;
size = maxy - miny;
minx = extent.MinX;
maxx = minx + size;
}
int count = 0;
double unitsPerPixel = size / tileSize;
do
{
Resolutions[count.ToString(CultureInfo.InvariantCulture)] = new Resolution {Id = count.ToString(CultureInfo.InvariantCulture), UnitsPerPixel = unitsPerPixel};
count++;
//Resolutions.Add(unitsPerPixel);
unitsPerPixel /= 2;
} while (unitsPerPixel > highestResUnitsPerPixel);
BruTile.Extent myExtent = new BruTile.Extent(minx, miny, maxx, maxy);
//Extent myExtent = extent;
Width = tileSize;
Height = tileSize;
Extent = myExtent;
OriginX = myExtent.MinX;
OriginY = myExtent.MinY;
Name = name;
Format = format;
Axis = axis;
Srs = srs;
}
private static ITileSchema CreateSchema()
{
var resoltions = new[] {
0.3515625,
0.17578125,
0.087890625,
0.0439453125,
0.02197265625,
0.010986328125,
0.0054931640625,
0.00274658203125,
0.001373291015625,
0.0006866455078125,
0.00034332275390625,
0.000171661376953125,
0.0000858306884765629,
0.0000429153442382814,
0.0000214576721191407,
0.0000107288360595703 };
const string format = "jpeg";
var schema = new TileSchema();
var count = 0;
foreach (double resolution in resoltions)
{
var levelId = count.ToString();
schema.Resolutions[levelId] = new Resolution { Id = levelId, UnitsPerPixel = resolution};
count++;
}
schema.Height = 512;
schema.Width = 512;
schema.Extent = new Extent(-180, -90, 180, 90);
schema.OriginX = -180;
schema.OriginY = 90;
schema.Name = "ESRI";
schema.Format = format;
schema.YAxis = YAxis.OSM;
schema.Srs = "EPSG:4326";
return schema;
}
private static SharpMap.Map InitializeMapGoogle(BruTile.Web.GoogleMapType mt)
{
var map = new SharpMap.Map();
BruTile.Web.GoogleRequest req;
BruTile.ITileSource tileSource;
SharpMap.Layers.TileLayer tileLayer;
if (mt == (BruTile.Web.GoogleMapType.GoogleSatellite | BruTile.Web.GoogleMapType.GoogleLabels))
{
req = new BruTile.Web.GoogleRequest(BruTile.Web.GoogleMapType.GoogleSatellite);
tileSource = new BruTile.Web.GoogleTileSource(req);
tileLayer = new SharpMap.Layers.TileLayer(tileSource, "TileLayer - " + BruTile.Web.GoogleMapType.GoogleSatellite);
map.Layers.Add(tileLayer);
req = new BruTile.Web.GoogleRequest(BruTile.Web.GoogleMapType.GoogleLabels);
tileSource = new BruTile.Web.GoogleTileSource(req);
mt = BruTile.Web.GoogleMapType.GoogleLabels;
}
else
{
req = new BruTile.Web.GoogleRequest(mt);
tileSource = new BruTile.Web.GoogleTileSource(req);
}
tileLayer = new SharpMap.Layers.TileLayer(tileSource, "TileLayer - " + mt);
map.Layers.Add(tileLayer);
map.ZoomToBox(tileLayer.Envelope);
return map;
}
private static SharpMap.Map InitializeMapBing(BruTile.Web.BingMapType mt)
{
var map = new SharpMap.Map();
var tileLayer = new SharpMap.Layers.TileLayer(new BruTile.Web.BingTileSource(BruTile.Web.BingRequest.UrlBingStaging, "", mt), "TileLayer - Bing " + mt);
map.BackgroundLayer.Add(tileLayer);
map.ZoomToBox(tileLayer.Envelope);
return map;
}
public TileSourceWrapper(BruTile.ITileSource tileSource)
{
_tileSource = tileSource;
_properties = new Dictionary<string, object>();
}
public byte[] GetTile(BruTile.TileInfo tileInfo)
{
return _tileSource.GetTile(tileInfo);
}
/// <summary>
/// Creates an instance of this class
/// </summary>
/// <param name="tileSource">the source to get the tiles from</param>
/// <param name="layerName">name of the layer</param>
/// <param name="transparentColor">transparent color off</param>
/// <param name="showErrorInTile">generate an error tile if it could not be retrieved from source</param>
/// <param name="fileCache">If the layer should use a file-cache so store tiles, set this to a fileCacheProvider. Set to null to avoid filecache</param>
/// <param name="imgFormat">Set the format of the tiles to be used</param>
public TileLayer(ITileSource tileSource, string layerName, Color transparentColor, bool showErrorInTile, BruTile.Cache.FileCache fileCache, ImageFormat imgFormat)
{
_source = tileSource;
LayerName = layerName;
if (!transparentColor.IsEmpty)
_imageAttributes.SetColorKey(transparentColor, transparentColor);
_showErrorInTile = showErrorInTile;
#if !PocketPC
_imageAttributes.SetWrapMode(WrapMode.TileFlipXY);
#endif
_fileCache = fileCache;
_ImageFormat = imgFormat;
}
private static Extent FromBruTileExtent(BruTile.Extent extent)
{
return new Extent(extent.MinX, extent.MinY, extent.MaxX, extent.MaxY);
}
