//
// GET: /Wmts/
//wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=layer_id&STYLE=default&TILEMATRIXSET=matrix_id&TILEMATRIX=3&TILEROW=2&TILECOL=0&FORMAT=image%2Fjpeg
public ActionResult Index(string service, string request, string version, string layer, string style, string matrixset, int tileMatrix, int tileRow, int tileCol, string format)
{
var ymax = 1 << tileMatrix;
var tiyleY2 = ymax - tileMatrix - 1;
var quadKey = TileSystemHelper.TileXYToQuadKey(tileRow, tileCol, tileMatrix);
var lonlat = TileSystemHelper.PixelXYToLatLong(new Point(tileRow * 256, tileCol * 256), tileMatrix);
var memoryStream = new MemoryStream();
using (var bitmap = new Bitmap(256, 256))
using (var graphics = Graphics.FromImage(bitmap))
using (var fontBrush = new SolidBrush(Color.Blue))
using (var font = new Font(FontFamily.GenericMonospace, 10))
{
graphics.DrawLine(Pens.Red, 0, 0, 256, 256);
graphics.DrawString(string.Format("TMS {0},{1} Zoom:{2}", tileRow, tileCol, tileMatrix), font, fontBrush,
new PointF(0, 0));
graphics.DrawString(string.Format("Lon {0}:{1}", lonlat.X, lonlat.Y), font, fontBrush,
new PointF(0, 15));
bitmap.Save(memoryStream, ImageFormat.Png);
}
return(File(memoryStream.ToArray(), "image/png"));
}
public RectangleF GetBoundingBoxInLatLngWithMargin(int tileX, int tileY, int zoom)
{
var lonlat1 = TileSystemHelper.PixelXYToLatLong(new Point((tileX * 256), (tileY * 256)), zoom);
var lonlat2 = TileSystemHelper.PixelXYToLatLong(new Point(((tileX + 1) * 256), ((tileY + 1) * 256)), zoom);
return(RectangleF.FromLTRB(lonlat1.X, lonlat2.Y, lonlat2.X, lonlat1.Y));
}
private Envelope GetBoundingBoxInLatLngWithMargin(int tileX, int tileY, int zoom)
{
Point px1 = new Point((tileX * 256), (tileY * 256));
Point px2 = new Point(((tileX + 1) * 256), ((tileY + 1) * 256));
PointF ll1 = TileSystemHelper.PixelXYToLatLong(px1, zoom);
PointF ll2 = TileSystemHelper.PixelXYToLatLong(px2, zoom);
double[] prj1 = this.projection.MathTransform.Transform(new double[] { ll1.X, ll1.Y });
double[] prj2 = this.projection.MathTransform.Transform(new double[] { ll2.X, ll2.Y });
Envelope bbox = new Envelope();
bbox.ExpandToInclude(prj1[0], prj1[1]);
bbox.ExpandToInclude(prj2[0], prj2[1]);
return(bbox);
}
public ActionResult IndexInfo(string version, string layer, int x, int y, int z)
{
var lonlat = TileSystemHelper.PixelXYToLatLong(new Point(x * 256, y * 256), z);
var memoryStream = new MemoryStream();
using (var bitmap = new Bitmap(256, 256))
using (var graphics = Graphics.FromImage(bitmap))
using (var fontBrush = new SolidBrush(Color.Blue))
using (var font = new Font(FontFamily.GenericMonospace, 10))
{
graphics.DrawLine(Pens.Red, 0, 0, 256, 256);
graphics.DrawString(string.Format("TMS {0},{1} Zoom:{2}", x, y, z), font, fontBrush,
new PointF(0, 0));
graphics.DrawString(string.Format("Lon {0}:{1}", lonlat.X, lonlat.Y), font, fontBrush,
new PointF(0, 15));
bitmap.Save(memoryStream, ImageFormat.Png);
}
return(File(memoryStream.ToArray(), "image/png"));
}