public FormPreRenderTiles(TileServiceMetadata metadata, MapServerClass mapServerClass)
{
_metadata = metadata;
_mapServerClass = mapServerClass;
InitializeComponent();
if (_metadata != null)
{
foreach (int epsg in _metadata.EPSGCodes)
{
cmbEpsg.Items.Add(epsg);
}
if (cmbEpsg.Items.Count > 0)
{
cmbEpsg.SelectedIndex = 0;
}
}
if (_mapServerClass != null && _mapServerClass.Dataset != null)
{
txtServer.Text = ConfigTextStream.ExtractValue(_mapServerClass.Dataset.ConnectionString, "server");
txtService.Text = ConfigTextStream.ExtractValue(_mapServerClass.Dataset.ConnectionString, "service");
}
numMaxParallelRequest.Value = _maxParallelRequests;
if (metadata.FormatPng)
{
cmbImageFormat.Items.Add("image/png");
}
if (metadata.FormatJpg)
{
cmbImageFormat.Items.Add("image/jpeg");
}
if (metadata.UpperLeft && metadata.UpperLeftCacheTiles)
{
cmbOrigin.Items.Add("Upper Left");
}
if (metadata.LowerLeft && metadata.LowerLeftCacheTiles)
{
cmbOrigin.Items.Add("Lower Left");
}
if (cmbImageFormat.Items.Count > 0)
{
cmbImageFormat.SelectedIndex = 0;
}
if (cmbOrigin.Items.Count > 0)
{
cmbOrigin.SelectedIndex = 0;
}
if (cmbCacheFormat.Items.Count > 0)
{
cmbCacheFormat.SelectedIndex = 0;
}
}
private void WmtsMetadata100(IServiceRequestContext context, TileServiceMetadata metadata)
{
XmlStream stream = new XmlStream("WmtsMetadata");
stream.Save("TileServiceMetadata", metadata);
context.ServiceRequest.Response = stream.ToString();
context.ServiceRequest.ResponseContentType = "text/xml";
}
private double GetScale(TileServiceMetadata metadata, string scaleArgument)
{
if (scaleArgument.StartsWith("~"))
{
scaleArgument = scaleArgument.Substring(1);
return(metadata.Scales[int.Parse(scaleArgument)]);
}
return(double.Parse(scaleArgument.Replace(",", "."), _nhi));
}
async private Task <byte[]> GetTile(IServiceRequestContext context, TileServiceMetadata metadata, int epsg, double scale, int row, int col, string format, GridOrientation orientation)
{
if (!metadata.EPSGCodes.Contains(epsg))
{
throw new ArgumentException("Wrong epsg argument");
}
//if (!metadata.Scales.Contains(scale))
// throw new ArgumentException("Wrong scale argument");
scale = metadata.Scales.GetScale(scale);
if (scale <= 0.0)
{
throw new ArgumentException("Wrong scale argument");
}
//IEnvelope bounds = metadata.GetEPSGEnvelope(epsg);
//if (bounds == null || bounds.Width == 0.0 || bounds.Height == 0.0)
// throw new Exception("No bounds defined for EPSG:" + epsg);
format = format.ToLower();
if (format != ".png" && format != ".jpg")
{
throw new Exception("Unsupported image format");
}
if (format == ".png" && metadata.FormatPng == false)
{
throw new Exception("Format image/png not supported");
}
if (format == ".jpg" && metadata.FormatJpg == false)
{
throw new Exception("Format image/jpeg no supported");
}
string path = _mapServer.TileCachePath + @"/" + MapName(context) + @"/_alllayers/" +
TileServiceMetadata.TilePath(orientation, epsg, scale, row, col) + format;
if ((orientation == GridOrientation.UpperLeft && metadata.UpperLeftCacheTiles) ||
(orientation == GridOrientation.LowerLeft && metadata.LowerLeftCacheTiles))
{
FileInfo fi = new FileInfo(path);
if (fi.Exists)
{
//context.ServiceRequest.Response = fi.FullName;
using (FileStream fs = File.Open(fi.FullName, FileMode.Open, FileAccess.Read, FileShare.Read)) //new FileStream(bundleFilename, FileMode.Open, FileAccess.Read))
{
byte[] data = new byte[fi.Length];
await fs.ReadAsync(data, 0, data.Length);
return(data);
}
}
}
return(null);
}
private byte[] GetCompactTileBytes(IServiceRequestContext context, string path, int row, int col, string format)
{
string compactTileName = CompactTileName(row, col);
string bundleFilename = path + @"\" + compactTileName + ".tilebundle";
string bundleIndexFilename = path + @"\" + compactTileName + ".tilebundlx";
FileInfo fi = new FileInfo(bundleIndexFilename);
if (!fi.Exists)
{
return(CreateEmpty(format));
}
CompactTileIndex bundleIndex = new CompactTileIndex(bundleIndexFilename);
int bundleStartRow = CompactTileStart(row);
int bundleStartCol = CompactTileStart(col);
try
{
int tileLength, tilePosition = bundleIndex.TilePosition(row - bundleStartRow, col - bundleStartCol, out tileLength);
if (tilePosition < 0)
{
return(CreateEmpty(format));
}
using (FileStream fs = File.Open(bundleFilename, FileMode.Open, FileAccess.Read, FileShare.Read)) //new FileStream(bundleFilename, FileMode.Open, FileAccess.Read))
{
fs.Position = tilePosition;
byte[] data = new byte[tileLength];
fs.Read(data, 0, tileLength);
return(data);
}
}
catch (Exception ex)
{
using (var serviceMap = context.CreateServiceMapInstance())
{
TileServiceMetadata metadata = serviceMap.MetadataProvider(_metaprovider) as TileServiceMetadata;
using (System.Drawing.Bitmap bm = new Bitmap(metadata.TileWidth, metadata.TileHeight))
using (System.Drawing.Graphics gr = Graphics.FromImage(bm))
using (System.Drawing.Font font = new Font("Arial", 9f))
{
gr.DrawString(ex.Message, font, Brushes.Red, new RectangleF(0f, 0f, (float)bm.Width, (float)bm.Height));
MemoryStream ms = new MemoryStream();
bm.Save(ms, format == ".png" ? ImageFormat.Png : ImageFormat.Jpeg);
return(ms.ToArray());
}
}
}
}
private double GetScale(TileServiceMetadata metadata, string scaleArgument)
{
if (scaleArgument.StartsWith("~"))
{
scaleArgument = scaleArgument.Substring(1);
int index = int.Parse(scaleArgument);
if (index < 0 || index >= metadata.Scales.Count())
{
return(0D);
}
return(metadata.Scales[int.Parse(scaleArgument)]);
}
return(double.Parse(scaleArgument.Replace(",", "."), _nhi));
}
private string TmsCapabilities(IServiceRequestContext context, TileServiceMetadata metadata, int srs)
{
IEnvelope box = metadata.GetEPSGEnvelope(srs);
if (box == null)
{
return(String.Empty);
}
ISpatialReference sRef = SpatialReference.FromID("epsg:" + srs);
StringBuilder sb = new StringBuilder();
sb.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
sb.Append("<TileMap version=\"1.0.0\" tilemapservice=\"" + context.ServiceRequest.OnlineResource + "\" >");
sb.Append("<Title>" + context.ServiceMap.Name + "</Title>");
sb.Append("<Abstract>gView Tile Cache</Abstract>");
sb.Append("<SRS>EPSG:" + srs + "</SRS>");
sb.Append("<BoundingBox minx=\"" + box.minx.ToString(_nhi) +
"\" miny=\"" + box.miny.ToString(_nhi) +
"\" maxx=\"" + box.maxx.ToString(_nhi) +
"\" maxy=\"" + box.maxy.ToString(_nhi) + "\" />");
sb.Append("<Origin x=\"" + box.minx.ToString(_nhi) +
"\" y=\"" + box.miny.ToString(_nhi) + "\" />");
sb.Append("<TileFormat width=\"" + metadata.TileWidth + "\" height=\"" + metadata.TileHeight + "\" mime-type=\"image/png\" extension=\"png\" />");
sb.Append("<TileSets>");
int level = 0;
foreach (double scale in metadata.Scales)
{
double res = (double)scale / (metadata.Dpi / 0.0254);
if (sRef.SpatialParameters.IsGeographic)
{
GeoUnitConverter converter = new GeoUnitConverter();
res = converter.Convert(res, GeoUnits.Meters, GeoUnits.DecimalDegrees);
}
sb.Append("<TileSet href=\"" + context.ServiceRequest.OnlineResource + "/" + level + "\" ");
sb.Append("units-per-pixel=\"" + res.ToString(_nhi) + "\" order=\"" + level + "\" />");
level++;
}
sb.Append("</TileSets>");
sb.Append("</TileMap>");
return(sb.ToString());
}
private void WriteConfFile(IServiceRequestContext context, TileServiceMetadata metadata, string cacheFormat, int epsg, string format, GridOrientation orientation)
{
FileInfo configFileInfo = new FileInfo(_mapServer.TileCachePath + @"\" + context.ServiceMap.Name + @"\_alllayers\" + cacheFormat + @"\" + TileServiceMetadata.EpsgPath(orientation, epsg) + @"\conf.json");
IPoint origin = orientation == GridOrientation.UpperLeft ? metadata.GetOriginUpperLeft(epsg) : metadata.GetOriginLowerLeft(epsg);
IEnvelope bounds = metadata.GetEPSGEnvelope(epsg);
if (origin == null || bounds == null)
{
return;
}
List <CompactTileConfig.LevelConfig> levels = new List <CompactTileConfig.LevelConfig>();
for (int i = 0; i < metadata.Scales.Count; i++)
{
levels.Add(new CompactTileConfig.LevelConfig()
{
Level = i,
Scale = metadata.Scales[i]
});
}
CompactTileConfig config = new CompactTileConfig()
{
Epsg = epsg,
Dpi = metadata.Dpi,
Origin = new double[] { origin.X, origin.Y },
Extent = new double[] { bounds.minx, bounds.miny, bounds.maxx, bounds.maxy },
TileSize = new int[] { metadata.TileWidth, metadata.TileHeight },
Format = format,
Orientation = orientation.ToString(),
Levels = levels.ToArray()
};
if (configFileInfo.Exists)
{
configFileInfo.Delete();
}
if (!configFileInfo.Directory.Exists)
{
configFileInfo.Directory.Create();
}
File.WriteAllText(configFileInfo.FullName, JsonConvert.SerializeObject(config, Formatting.Indented));
}
public TileRenderer(TileServiceMetadata metadata,
int epsg,
GridOrientation orientation = GridOrientation.UpperLeft,
string cacheFormat = "compact",
string imageFormat = ".png",
IEnvelope bbox = null,
IEnumerable<double> preRenderScales = null,
int maxParallelRequests = 1)
{
_metadata = metadata;
_epsg = epsg;
_orientation = orientation;
_cacheFormat = cacheFormat;
_imageFormat = imageFormat;
_bbox = bbox;
_preRenderScales = preRenderScales;
_maxParallelRequests = maxParallelRequests;
}
public static TileServiceMetadata FromService(this TileServiceMetadata metadata, string server, string service)
{
var url = server.ToWmtsUrl(service, "GetMetadata");
using (var client = new HttpClient())
{
var response = client.GetAsync(url).Result;
if (!response.IsSuccessStatusCode)
{
throw new Exception($"{ url } return with status code { response.StatusCode }");
}
var responseStream = response.Content.ReadAsStreamAsync().Result;
XmlStream xmlStream = new XmlStream("WmtsMetadata");
xmlStream.ReadStream(responseStream);
return(xmlStream.Load("TileServiceMetadata") as TileServiceMetadata);
}
}
private void GetCompactTileBytes(IServiceRequestContext context, string path, int row, int col)
{
string compactTileName = CompactTileName(row, col);
string bundleFilename = path + @"\" + compactTileName + ".tilebundle";
string bundleIndexFilename = path + @"\" + compactTileName + ".tilebundlx";
FileInfo fi = new FileInfo(bundleIndexFilename);
if (!fi.Exists)
{
return;
}
CompactTileIndex bundleIndex = new CompactTileIndex(bundleIndexFilename);
int bundleStartRow = CompactTileStart(row);
int bundleStartCol = CompactTileStart(col);
try
{
int tileLength, tilePosition = bundleIndex.TilePosition(row - bundleStartRow, col - bundleStartCol, out tileLength);
if (tilePosition < 0)
{
return;
}
using (FileStream fs = File.Open(bundleFilename, FileMode.Open, FileAccess.Read, FileShare.Read)) //new FileStream(bundleFilename, FileMode.Open, FileAccess.Read))
{
fs.Position = tilePosition;
byte[] data = new byte[tileLength];
fs.Read(data, 0, tileLength);
context.ServiceRequest.Response = new MapServerResponse()
{
Data = data,
ContentType = "image/jpg",
Expires = DateTime.UtcNow.AddDays(7)
}.ToString();
}
}
catch (Exception ex)
{
TileServiceMetadata metadata = context.ServiceMap.MetadataProvider(_metaprovider) as TileServiceMetadata;
using (System.Drawing.Bitmap bm = new Bitmap(metadata.TileWidth, metadata.TileHeight))
using (System.Drawing.Graphics gr = Graphics.FromImage(bm))
using (System.Drawing.Font font = new Font("Arial", 9f))
{
gr.DrawString(ex.Message, font, Brushes.Red, new RectangleF(0f, 0f, (float)bm.Width, (float)bm.Height));
MemoryStream ms = new MemoryStream();
bm.Save(ms, ImageFormat.Png);
context.ServiceRequest.Response = new MapServerResponse()
{
Data = ms.ToArray(),
ContentType = "image/jpg"
}.ToString();
}
}
}
private void GetCompactTile(IServiceRequestContext context, TileServiceMetadata metadata, int epsg, double scale, int row, int col, string format, GridOrientation orientation, BoundingTiles boundingTiles, bool renderOnTheFly)
{
if (!metadata.EPSGCodes.Contains(epsg))
{
throw new ArgumentException("Wrong epsg argument");
}
if (orientation != GridOrientation.UpperLeft)
{
throw new ArgumentException("Compact Tiles Orientation must bei Upper Left!");
}
scale = metadata.Scales.GetScale(scale);
if (scale <= 0.0)
{
throw new ArgumentException("Wrong scale argument");
}
//IEnvelope bounds = metadata.GetEGPSEnvelope(epsg);
//if (bounds == null || bounds.Width == 0.0 || bounds.Height == 0.0)
// throw new Exception("No bounds defined for EPSG:" + epsg);
IPoint origin = metadata.GetOriginUpperLeft(epsg);
if (origin == null)
{
throw new Exception("No origin defined for EPSG:" + epsg);
}
format = format.ToLower();
if (format != ".png" && format != ".jpg")
{
throw new Exception("Unsupported image format");
}
if (format == ".png" && metadata.FormatPng == false)
{
throw new Exception("Format image/png not supported");
}
if (format == ".jpg" && metadata.FormatJpg == false)
{
throw new Exception("Format image/jpeg no supported");
}
string path = _mapServer.TileCachePath + @"\" + context.ServiceMap.Name + @"\_alllayers\compact\" +
TileServiceMetadata.ScalePath(orientation, epsg, scale);
string compactTileName = CompactTileName(row, col);
string bundleFilename = path + @"\" + compactTileName + ".tilebundle";
string bundleDoneFilename = path + @"\" + compactTileName + ".tilebundle.done";
string bundleCalcFilename = path + @"\" + compactTileName + ".tilebundle.calc";
if (new FileInfo(bundleFilename).Exists)
{
GetCompactTileBytes(context, path, row, col);
return;
}
else if (!renderOnTheFly || new FileInfo(bundleDoneFilename).Exists || new FileInfo(bundleCalcFilename).Exists /* && !metadata.RenderTilesOnTheFly*/)
{
return; // Empty
}
DirectoryInfo di = new DirectoryInfo(path);
if (!di.Exists)
{
di.Create();
}
try { File.Delete(bundleFilename); }
catch { }
//temp
//string pathTemp = path + @"\temp";
//DirectoryInfo diTemp = new DirectoryInfo(pathTemp);
//if (!diTemp.Exists)
// diTemp.Create();
File.WriteAllText(bundleCalcFilename, "calc...");
CompactTilesIndexBuilder indexBuilder = new CompactTilesIndexBuilder();
int startRow = CompactTileStart(row), startCol = CompactTileStart(col);
ISpatialReference sRef = SpatialReference.FromID("epsg:" + epsg);
using (IServiceMap map = context.ServiceMap)
{
map.Display.SpatialReference = sRef;
map.Display.dpi = metadata.Dpi;
double res = (double)scale / (metadata.Dpi / 0.0254);
if (map.Display.MapUnits != GeoUnits.Meters)
{
GeoUnitConverter converter = new GeoUnitConverter();
res = converter.Convert(res, GeoUnits.Meters, map.Display.MapUnits);
}
string bundleTempFilename = path + @"\" + compactTileName + "." + Guid.NewGuid().ToString("N").ToLower() + ".tilebundle";
string bundleIndexFilename = path + @"\" + compactTileName + ".tilebundlx";
File.WriteAllBytes(bundleTempFilename, new byte[0]);
int bundlePos = 0;
int tileMatrixWidth = 8, tileMatrixHeight = 8;
map.Display.iWidth = metadata.TileWidth * tileMatrixWidth;
map.Display.iHeight = metadata.TileHeight * tileMatrixHeight;
for (int r = 0; r < 128; r += 8)
{
File.WriteAllText(bundleCalcFilename, "calc...row" + r);
for (int c = 0; c < 128; c += 8)
{
int currentRow = r + startRow, currentCol = c + startCol;
if (boundingTiles != null)
{
if (!boundingTiles.Check(currentRow, currentCol, 8, 8))
{
continue;
}
}
double H = metadata.TileHeight * res;
double y = origin.Y - H * (currentRow + tileMatrixHeight);
double W = metadata.TileWidth * res;
double x = origin.X + W * currentCol;
map.Display.ZoomTo(new Envelope(x, y, x + W * tileMatrixWidth, y + H * tileMatrixHeight));
if (format != ".jpg") // Make PNG Transparent
{
map.Display.BackgroundColor = System.Drawing.Color.Transparent;
}
map.ReleaseImage(); // Delete old Image !!! Because there is no map.SaveImage()!!!!
map.Render();
if (IsEmptyBitmap(map.MapImage, map.Display.BackgroundColor))
{
continue;
}
// Temp
//map.MapImage.Save(pathTemp + @"\matrix_" + (startRow + r) + "_" + (startCol + c) + ".png", ImageFormat.Png);
for (int j = 0; j < tileMatrixHeight; j++)
{
for (int i = 0; i < tileMatrixWidth; i++)
{
int tileRow = currentRow + j, tileCol = currentCol + i;
if (boundingTiles != null)
{
if (!boundingTiles.Check(tileRow, tileCol, 8, 8))
{
continue;
}
}
using (Bitmap bm = new Bitmap(metadata.TileWidth, metadata.TileHeight, map.MapImage.PixelFormat))
using (Graphics gr = Graphics.FromImage(bm))
{
gr.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
gr.DrawImage(map.MapImage,
new RectangleF(0f, 0f, (float)bm.Width, (float)bm.Height),
new RectangleF(-0.5f + (float)(i * metadata.TileWidth), -0.5f + (float)(j * metadata.TileHeight), (float)metadata.TileWidth, (float)metadata.TileHeight), GraphicsUnit.Pixel);
//for (int py = 0, to_py = bm.Height; py < to_py; py++)
//{
// for (int px = 0, to_px = bm.Width; px < to_px; px++)
// {
// var pCol = map.MapImage.GetPixel(px + i * metadata.TileHeight, py + j * metadata.TileHeight);
// bm.SetPixel(px, py, pCol);
// }
//}
if (IsEmptyBitmap(bm, map.Display.BackgroundColor))
{
continue;
}
// Temp
//bm.Save(pathTemp + @"\tile_" + tileRow + "_" + tileCol + ".png", ImageFormat.Png);
//try
//{
// if (format != ".jpg" && map.Display.BackgroundColor.A > 0) // Make PNG Transparent
// bm.MakeTransparent(map.Display.BackgroundColor);
//}
//catch { }
MemoryStream ms = new MemoryStream();
bm.Save(ms, format == ".jpg" ? System.Drawing.Imaging.ImageFormat.Jpeg : System.Drawing.Imaging.ImageFormat.Png);
byte[] imageBytes = ms.ToArray();
using (var stream = new FileStream(bundleTempFilename, FileMode.Append))
{
stream.Write(imageBytes, 0, imageBytes.Length);
}
indexBuilder.SetValue(r + j, c + i, bundlePos, imageBytes.Length);
bundlePos += imageBytes.Length;
}
}
}
}
map.ReleaseImage();
GC.Collect();
}
try { File.Delete(bundleFilename); }
catch { }
if (bundlePos == 0)
{
File.Delete(bundleTempFilename);
File.WriteAllText(bundleDoneFilename, "");
}
else
{
File.Move(bundleTempFilename, bundleFilename);
indexBuilder.Save(bundleIndexFilename);
}
try { File.Delete(bundleCalcFilename); }
catch { }
}
GC.Collect();
}
public void Request(IServiceRequestContext context)
{
try
{
if (context == null || context.ServiceRequest == null || context.ServiceMap == null)
{
return;
}
if (_mapServer == null)
{
context.ServiceRequest.Response = "<FATALERROR>MapServer Object is not available!</FATALERROR>";
return;
}
TileServiceMetadata metadata = context.ServiceMap.MetadataProvider(_metaprovider) as TileServiceMetadata;
if (metadata == null || metadata.Use == false)
{
context.ServiceRequest.Response = "<ERROR>Service is not used with Tile Service</ERROR>";
}
string service = context.ServiceRequest.Service;
string request = context.ServiceRequest.Request;
if (request.ToLower().StartsWith("path="))
{
request = request.Substring(5);
}
string[] args = request.Split('/');
string command = args[0].ToLower();
bool renderOnTheFly = false;
if (command.Contains(":"))
{
switch (command.Split(':')[1])
{
case "render":
renderOnTheFly = true;
break;
}
command = command.Split(':')[0];
}
switch (command)
{
case "metadata":
XmlStream stream = new XmlStream("metadata");
metadata.Save(stream);
StringWriter sw = new StringWriter();
stream.WriteStream(sw);
sw.Close();
context.ServiceRequest.Response = sw.ToString();
break;
case "osm":
case "tms":
if (args.Length == 4)
{
int epsg = int.Parse(args[1]);
if (metadata.EPSGCodes.Contains(epsg))
{
context.ServiceRequest.Response = TmsCapabilities(context, metadata, epsg);
}
}
else if (args.Length == 7) // tms/srs/1.0.0/service/0/0/0.png
{
int epsg = int.Parse(args[1]);
double scale = metadata.Scales[int.Parse(args[4])];
int row = (args[0] == "tms" ? int.Parse(args[5]) : int.Parse(args[6].Split('.')[0]));
int col = (args[0] == "tms" ? int.Parse(args[6].Split('.')[0]) : int.Parse(args[5]));
string format = ".png";
if (args[6].ToLower().EndsWith(".jpg"))
{
format = ".jpg";
}
GetTile(context, metadata, epsg, scale, row, col, format, (args[0] == "tms" ? GridOrientation.LowerLeft : GridOrientation.UpperLeft), renderOnTheFly);
}
else if (args.Length == 10) // tms/srs/service/01/000/000/001/000/000/001.png
{
int epsg = int.Parse(args[1]);
double scale = metadata.Scales[int.Parse(args[3])];
int col = int.Parse(args[4]) * 1000000 + int.Parse(args[5]) * 1000 + int.Parse(args[6]);
int row = int.Parse(args[7]) * 1000000 + int.Parse(args[8]) * 1000 + int.Parse(args[9].Split('.')[0]);
string format = ".png";
if (args[9].ToLower().EndsWith(".jpg"))
{
format = ".jpg";
}
GetTile(context, metadata, epsg, scale, row, col, format, (args[0] == "tms" ? GridOrientation.LowerLeft : GridOrientation.UpperLeft), renderOnTheFly);
}
break;
case "init":
if (args.Length >= 5)
{
string cacheFormat = args[1].ToLower() == "compact" ? "compact" : "";
if (args[2].ToLower() != "ul" &&
args[2].ToLower() != "ll")
{
throw new ArgumentException();
}
int epsg = int.Parse(args[3]);
string format = "image/" + args[4].ToLower();
if (args[4].ToLower().EndsWith(".jpg"))
{
format = ".jpg";
}
WriteConfFile(context, metadata, cacheFormat, epsg, format,
(args[2].ToLower() == "ul" ? GridOrientation.UpperLeft : GridOrientation.LowerLeft));
}
break;
case "tile":
if (args.Length == 5)
{
int epsg = int.Parse(args[1]);
double scale = GetScale(metadata, args[2]); // double.Parse(args[2].Replace(",", "."), _nhi);
int row = int.Parse(args[3]);
int col = int.Parse(args[4].Split('.')[0]);
string format = ".png";
if (args[4].ToLower().EndsWith(".jpg"))
{
format = ".jpg";
}
GetTile(context, metadata, epsg, scale, row, col, format, GridOrientation.UpperLeft, renderOnTheFly);
}
else if (args.Length == 6)
{
if (args[1].ToLower() != "ul" &&
args[1].ToLower() != "ll")
{
throw new ArgumentException();
}
int epsg = int.Parse(args[2]);
double scale = GetScale(metadata, args[3]); // double.Parse(args[3].Replace(",", "."), _nhi);
int row = int.Parse(args[4]);
int col = int.Parse(args[5].Split('.')[0]);
string format = ".png";
if (args[5].ToLower().EndsWith(".jpg"))
{
format = ".jpg";
}
GetTile(context, metadata, epsg, scale, row, col, format,
(args[1].ToLower() == "ul" ? GridOrientation.UpperLeft : GridOrientation.LowerLeft), renderOnTheFly);
}
else if (args.Length >= 7)
{
string cacheFormat = args[1].ToLower();
if (args[2].ToLower() != "ul" &&
args[2].ToLower() != "ll")
{
throw new ArgumentException();
}
int epsg = int.Parse(args[3]);
double scale = GetScale(metadata, args[4]); // double.Parse(args[4].Replace(",", "."), _nhi);
int row = int.Parse(args[5]);
int col = int.Parse(args[6].Split('.')[0]);
string format = ".png";
if (args[6].ToLower().EndsWith(".jpg"))
{
format = ".jpg";
}
if (cacheFormat == "compact")
{
var boundingTiles = args.Length > 7 ? new BoundingTiles(args[7]) : null;
GetCompactTile(context, metadata, epsg, scale, row, col, format,
(args[2].ToLower() == "ul" ? GridOrientation.UpperLeft : GridOrientation.LowerLeft), boundingTiles, renderOnTheFly);
}
else
{
GetTile(context, metadata, epsg, scale, row, col, format,
(args[2].ToLower() == "ul" ? GridOrientation.UpperLeft : GridOrientation.LowerLeft), renderOnTheFly);
}
}
else
{
throw new ArgumentException();
}
break;
}
}
catch (Exception ex)
{
if (context != null && context.ServiceRequest != null)
{
context.ServiceRequest.Response = "<Exception>" + ex.Message + "</Exception>";
}
}
}
private void GetTile(IServiceRequestContext context, TileServiceMetadata metadata, int epsg, double scale, int row, int col, string format, GridOrientation orientation, bool renderOnTheFly)
{
if (!metadata.EPSGCodes.Contains(epsg))
{
throw new ArgumentException("Wrong epsg argument");
}
//if (!metadata.Scales.Contains(scale))
// throw new ArgumentException("Wrong scale argument");
scale = metadata.Scales.GetScale(scale);
if (scale <= 0.0)
{
throw new ArgumentException("Wrong scale argument");
}
//IEnvelope bounds = metadata.GetEPSGEnvelope(epsg);
//if (bounds == null || bounds.Width == 0.0 || bounds.Height == 0.0)
// throw new Exception("No bounds defined for EPSG:" + epsg);
format = format.ToLower();
if (format != ".png" && format != ".jpg")
{
throw new Exception("Unsupported image format");
}
if (format == ".png" && metadata.FormatPng == false)
{
throw new Exception("Format image/png not supported");
}
if (format == ".jpg" && metadata.FormatJpg == false)
{
throw new Exception("Format image/jpeg no supported");
}
string path = _mapServer.TileCachePath + @"\" + context.ServiceMap.Name + @"\_alllayers\" +
TileServiceMetadata.TilePath(orientation, epsg, scale, row, col) + format;
if ((orientation == GridOrientation.UpperLeft && metadata.UpperLeftCacheTiles) ||
(orientation == GridOrientation.LowerLeft && metadata.LowerLeftCacheTiles))
{
FileInfo fi = new FileInfo(path);
if (fi.Exists)
{
context.ServiceRequest.Response = fi.FullName;
return;
}
else if (!renderOnTheFly && !metadata.RenderTilesOnTheFly)
{
return; // Empty
}
if (!fi.Directory.Exists)
{
fi.Directory.Create();
}
}
else
{
path = _mapServer.OutputPath + @"\tile_" + Guid.NewGuid().ToString("N").ToLower() + format;
}
ISpatialReference sRef = SpatialReference.FromID("epsg:" + epsg);
using (IServiceMap map = context.ServiceMap)
{
map.Display.SpatialReference = sRef;
map.Display.dpi = metadata.Dpi;
map.Display.iWidth = metadata.TileWidth;
map.Display.iHeight = metadata.TileHeight;
double res = (double)scale / (metadata.Dpi / 0.0254);
if (map.Display.MapUnits != GeoUnits.Meters)
{
GeoUnitConverter converter = new GeoUnitConverter();
res = converter.Convert(res, GeoUnits.Meters, map.Display.MapUnits);
}
var origin = orientation == GridOrientation.UpperLeft ? metadata.GetOriginUpperLeft(epsg) : metadata.GetOriginLowerLeft(epsg);
double H = metadata.TileHeight * res;
double y = (orientation == GridOrientation.UpperLeft ?
origin.Y - H * (row + 1) :
origin.Y + H * row);
double W = metadata.TileWidth * res;
//if (map.Display.MapUnits == GeoUnits.DecimalDegrees)
//{
// double phi = (2 * y + H) / 2.0;
// W /= Math.Cos(phi / 180.0 * Math.PI);
//}
double x = origin.X + W * col;
map.Display.ZoomTo(new Envelope(x, y, x + W, y + H));
map.Render();
bool maketrans = map.Display.MakeTransparent;
map.Display.MakeTransparent = true;
map.SaveImage(path, format == ".jpg" ? System.Drawing.Imaging.ImageFormat.Jpeg : System.Drawing.Imaging.ImageFormat.Png);
map.Display.MakeTransparent = maketrans;
context.ServiceRequest.Response = path;
_mapServer.Log("CreateTile:", loggingMethod.request_detail, path);
}
}
private byte[] GetCompactTile(IServiceRequestContext context, TileServiceMetadata metadata, int epsg, double scale, int row, int col, string format, GridOrientation orientation)
{
if (!metadata.EPSGCodes.Contains(epsg))
{
throw new ArgumentException("Wrong epsg argument");
}
if (orientation != GridOrientation.UpperLeft)
{
throw new ArgumentException("Compact Tiles Orientation must bei Upper Left!");
}
scale = metadata.Scales.GetScale(scale);
if (scale <= 0.0)
{
throw new ArgumentException("Wrong scale argument");
}
//IEnvelope bounds = metadata.GetEGPSEnvelope(epsg);
//if (bounds == null || bounds.Width == 0.0 || bounds.Height == 0.0)
// throw new Exception("No bounds defined for EPSG:" + epsg);
IPoint origin = metadata.GetOriginUpperLeft(epsg);
if (origin == null)
{
throw new Exception("No origin defined for EPSG:" + epsg);
}
format = format.ToLower();
if (format != ".png" && format != ".jpg")
{
throw new Exception("Unsupported image format");
}
if (format == ".png" && metadata.FormatPng == false)
{
throw new Exception("Format image/png not supported");
}
if (format == ".jpg" && metadata.FormatJpg == false)
{
throw new Exception("Format image/jpeg no supported");
}
string path = _mapServer.TileCachePath + @"\" + MapName(context) + @"\_alllayers\compact\" +
TileServiceMetadata.ScalePath(orientation, epsg, scale);
string compactTileName = CompactTileName(row, col);
string bundleFilename = path + @"\" + compactTileName + ".tilebundle";
string bundleDoneFilename = path + @"\" + compactTileName + ".tilebundle.done";
string bundleCalcFilename = path + @"\" + compactTileName + ".tilebundle.calc";
if (new FileInfo(bundleFilename).Exists)
{
return(GetCompactTileBytes(context, path, row, col, format));
}
if (IsDirectoryEmpty(path))
{
#region On The Fly
using (IServiceMap map = context.CreateServiceMapInstance())
{
ISpatialReference sRef = SpatialReference.FromID("epsg:" + epsg);
map.Display.SpatialReference = sRef;
map.Display.dpi = metadata.Dpi;
map.Display.iWidth = metadata.TileWidth;
map.Display.iHeight = metadata.TileHeight;
double res = (double)scale / (metadata.Dpi / 0.0254);
if (map.Display.MapUnits != GeoUnits.Meters)
{
GeoUnitConverter converter = new GeoUnitConverter();
res = converter.Convert(res, GeoUnits.Meters, map.Display.MapUnits);
}
origin = orientation == GridOrientation.UpperLeft ? metadata.GetOriginUpperLeft(epsg) : metadata.GetOriginLowerLeft(epsg);
double H = metadata.TileHeight * res;
double y = (orientation == GridOrientation.UpperLeft ?
origin.Y - H * (row + 1) :
origin.Y + H * row);
double W = metadata.TileWidth * res;
double x = origin.X + W * col;
map.Display.ZoomTo(new Envelope(x, y, x + W, y + H));
map.Render();
bool maketrans = map.Display.MakeTransparent;
map.Display.MakeTransparent = true;
MemoryStream ms = new MemoryStream();
map.SaveImage(ms, format == ".jpg" ? System.Drawing.Imaging.ImageFormat.Jpeg : System.Drawing.Imaging.ImageFormat.Png);
map.Display.MakeTransparent = maketrans;
return(ms.ToArray());
}
#endregion
}
return(null);
}
private void WmtsCapabilities100(IServiceRequestContext context, TileServiceMetadata metadata)
{
gView.Framework.OGC.WMTS.Version_1_0_0.Capabilities capabilities = new Framework.OGC.WMTS.Version_1_0_0.Capabilities()
{
version = "1.0.0"
};
capabilities.NameSpaces = new System.Xml.Serialization.XmlSerializerNamespaces();
capabilities.NameSpaces.Add("ows", "http://www.opengis.net/ows/1.1");
capabilities.NameSpaces.Add("xlink", "http://www.w3.org/1999/xlink");
capabilities.NameSpaces.Add("gml", "http://www.opengis.net/gml");
#region ServiceIndentification
capabilities.ServiceIdentification = new gView.Framework.OGC.WMTS.Version_1_0_0.ServiceIdentification();
capabilities.ServiceIdentification.Title = new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType()
{
Value = context.ServiceMap.Name
} };
capabilities.ServiceIdentification.ServiceType = new gView.Framework.OGC.WMTS.Version_1_0_0.CodeType()
{
Value = "OGC WMTS"
};
capabilities.ServiceIdentification.ServiceTypeVersion = new string[] { "1.0.0" };
#endregion
string restFulUrl = context.ServiceRequest.OnlineResource.ToLower().Replace("/maprequest/wmts/", "/tilewmts/");
#region OperationsMetadata
capabilities.OperationsMetadata = new gView.Framework.OGC.WMTS.Version_1_0_0.OperationsMetadata();
var getCapOperation = new gView.Framework.OGC.WMTS.Version_1_0_0.Operation()
{
name = "GetCapabilities"
};
getCapOperation.DCP = new gView.Framework.OGC.WMTS.Version_1_0_0.DCP[] { new gView.Framework.OGC.WMTS.Version_1_0_0.DCP() };
getCapOperation.DCP[0].Item = new gView.Framework.OGC.WMTS.Version_1_0_0.HTTP();
getCapOperation.DCP[0].Item.Items = new gView.Framework.OGC.WMTS.Version_1_0_0.RequestMethodType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.RequestMethodType() };
getCapOperation.DCP[0].Item.Items[0].href = context.ServiceRequest.OnlineResource + "?SERVICE=WMTS&VERSION=1.0.0" + "&";
getCapOperation.DCP[0].Item.Items[0].Constraint = new gView.Framework.OGC.WMTS.Version_1_0_0.DomainType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.DomainType() };
getCapOperation.DCP[0].Item.Items[0].Constraint[0].name = "GetEncoding";
getCapOperation.DCP[0].Item.Items[0].Constraint[0].AllowedValues = new object[] { new gView.Framework.OGC.WMTS.Version_1_0_0.ValueType()
{
Value = "KVP" /*"RESTful"*/
} };
getCapOperation.DCP[0].Item.ItemsElementName = new gView.Framework.OGC.WMTS.Version_1_0_0.ItemsChoiceType[] { gView.Framework.OGC.WMTS.Version_1_0_0.ItemsChoiceType.Get };
var getTileOperation = new gView.Framework.OGC.WMTS.Version_1_0_0.Operation()
{
name = "GetTile"
};
getTileOperation.DCP = new gView.Framework.OGC.WMTS.Version_1_0_0.DCP[] { new gView.Framework.OGC.WMTS.Version_1_0_0.DCP() };
getTileOperation.DCP[0].Item = new gView.Framework.OGC.WMTS.Version_1_0_0.HTTP();
getTileOperation.DCP[0].Item.Items = new gView.Framework.OGC.WMTS.Version_1_0_0.RequestMethodType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.RequestMethodType() };
getTileOperation.DCP[0].Item.Items[0].href = restFulUrl;
getTileOperation.DCP[0].Item.Items[0].Constraint = new gView.Framework.OGC.WMTS.Version_1_0_0.DomainType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.DomainType() };
getTileOperation.DCP[0].Item.Items[0].Constraint[0].name = "GetEncoding";
getTileOperation.DCP[0].Item.Items[0].Constraint[0].AllowedValues = new object[] { new gView.Framework.OGC.WMTS.Version_1_0_0.ValueType()
{
Value = "RESTful"
} };
getTileOperation.DCP[0].Item.ItemsElementName = new gView.Framework.OGC.WMTS.Version_1_0_0.ItemsChoiceType[] { gView.Framework.OGC.WMTS.Version_1_0_0.ItemsChoiceType.Get };
capabilities.OperationsMetadata.Operation = new gView.Framework.OGC.WMTS.Version_1_0_0.Operation[]
{
getCapOperation, getTileOperation
};
#endregion
#region Contents
capabilities.Contents = new gView.Framework.OGC.WMTS.Version_1_0_0.ContentsType();
List <gView.Framework.OGC.WMTS.Version_1_0_0.LayerType> layers = new List <gView.Framework.OGC.WMTS.Version_1_0_0.LayerType>();
List <gView.Framework.OGC.WMTS.Version_1_0_0.TileMatrixSet> matrixSets = new List <gView.Framework.OGC.WMTS.Version_1_0_0.TileMatrixSet>();
ISpatialReference sRef4326 = SpatialReference.FromID("epsg:4326");
foreach (var epsg in metadata.EPSGCodes)
{
IEnvelope extent = metadata.GetEPSGEnvelope(epsg);
if (extent == null)
{
continue;
}
IPoint origin = metadata.GetOriginUpperLeft(epsg);
if (origin == null)
{
continue;
}
ISpatialReference sRef = SpatialReference.FromID("epsg:" + epsg);
IEnvelope extent4326 = GeometricTransformer.Transform2D(extent, sRef, sRef4326).Envelope;
if (double.IsInfinity(extent4326.minx))
{
extent4326.minx = -180D;
}
if (double.IsInfinity(extent4326.miny))
{
extent4326.miny = -90D;
}
if (double.IsInfinity(extent4326.maxx))
{
extent4326.maxx = 180D;
}
if (double.IsInfinity(extent4326.maxy))
{
extent4326.maxy = 90D;
}
foreach (string cacheType in new string[] { "classic", "compact" })
{
string epsgPath = _mapServer.TileCachePath + @"\" + context.ServiceMap.Name + @"\_alllayers\" + (cacheType == "compact" ? @"compact\" : "") +
TileServiceMetadata.EpsgPath(GridOrientation.UpperLeft, epsg);
if (!new DirectoryInfo(epsgPath).Exists)
{
continue;
}
#region Layer
string layerName = context.ServiceMap.Name + " EPSG:" + epsg + " " + cacheType;
string layerId = context.ServiceMap.Name.ToLower().Replace(" ", "_") + "_" + epsg + "_" + cacheType;
var layer = new gView.Framework.OGC.WMTS.Version_1_0_0.LayerType();
layer.Title = new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType()
{
Value = layerName
} };
layer.Identifier = new gView.Framework.OGC.WMTS.Version_1_0_0.CodeType()
{
Value = layerId
};
List <gView.Framework.OGC.WMTS.Version_1_0_0.Style> styles = new List <Framework.OGC.WMTS.Version_1_0_0.Style>();
//styles.Add(new gView.Framework.OGC.WMTS.Version_1_0_0.Style()
//{
// Title = new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType() { Value = "Default Style" } },
// Identifier = new gView.Framework.OGC.WMTS.Version_1_0_0.CodeType() { Value = "default" }
//});
foreach (var styleVal in Enum.GetValues(typeof(ImageProcessingFilters)))
{
string name = Enum.GetName(typeof(ImageProcessingFilters), styleVal);
styles.Add(new Framework.OGC.WMTS.Version_1_0_0.Style()
{
Title = new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType()
{
Value = name
} },
Identifier = new gView.Framework.OGC.WMTS.Version_1_0_0.CodeType()
{
Value = name.ToLower()
}
});
}
layer.Style = styles.ToArray();
#region BoundingBox
layer.BoundingBox = new gView.Framework.OGC.WMTS.Version_1_0_0.BoundingBoxType[]
{
new gView.Framework.OGC.WMTS.Version_1_0_0.BoundingBoxType()
{
crs = "urn:ogc:def:crs:EPSG::" + epsg,
LowerCorner = PointToString(extent.LowerLeft, sRef),
UpperCorner = PointToString(extent.UpperRight, sRef)
}
};
layer.WGS84BoundingBox = new gView.Framework.OGC.WMTS.Version_1_0_0.WGS84BoundingBoxType[]
{
new gView.Framework.OGC.WMTS.Version_1_0_0.WGS84BoundingBoxType()
{
crs = "urn:ogc:def:crs:OGC:2:84", // urn:ogc:def:crs:OGC:2:84
LowerCorner = PointToString(extent4326.LowerLeft, sRef4326),
UpperCorner = PointToString(extent4326.UpperRight, sRef4326)
}
};
#endregion
layer.TileMatrixSetLink = new gView.Framework.OGC.WMTS.Version_1_0_0.TileMatrixSetLink[]
{
new gView.Framework.OGC.WMTS.Version_1_0_0.TileMatrixSetLink()
{
TileMatrixSet = layerId + "_default_matrixset"
}
};
List <string> formats = new List <string>();
if (metadata.FormatJpg)
{
formats.Add("image/jpg");
}
if (metadata.FormatPng)
{
formats.Add("image/png");
}
layer.Format = formats.ToArray();
List <Framework.OGC.WMTS.Version_1_0_0.URLTemplateType> resourceURLs = new List <Framework.OGC.WMTS.Version_1_0_0.URLTemplateType>();
if (metadata.FormatJpg)
{
resourceURLs.Add(new Framework.OGC.WMTS.Version_1_0_0.URLTemplateType()
{
resourceType = Framework.OGC.WMTS.Version_1_0_0.URLTemplateTypeResourceType.tile,
format = "image/jpg",
template = restFulUrl + "/" + cacheType + "/ul/" + epsg + "/{Style}/{TileMatrix}/{TileRow}/{TileCol}.jpg"
});
}
if (metadata.FormatPng)
{
resourceURLs.Add(new Framework.OGC.WMTS.Version_1_0_0.URLTemplateType()
{
resourceType = Framework.OGC.WMTS.Version_1_0_0.URLTemplateTypeResourceType.tile,
format = "image/png",
template = restFulUrl + "/" + cacheType + "/ul/" + epsg + "/{Style}/{TileMatrix}/{TileRow}/{TileCol}.png"
});
}
layer.ResourceURL = resourceURLs.ToArray();
layers.Add(layer);
#endregion
#region Matrix Set
double matrixSetWidth = extent.Width;
double matrixSetHeight = extent.Height;
var matrixSet = new gView.Framework.OGC.WMTS.Version_1_0_0.TileMatrixSet();
matrixSet.Title = new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType[] { new gView.Framework.OGC.WMTS.Version_1_0_0.LanguageStringType()
{
Value = layerName + " Default Matrix Set"
} };
matrixSet.Identifier = new gView.Framework.OGC.WMTS.Version_1_0_0.CodeType()
{
Value = layerId + "_default_matrixset"
};
matrixSet.SupportedCRS = "urn:ogc:def:crs:EPSG::" + epsg;
matrixSet.TileMatrix = new gView.Framework.OGC.WMTS.Version_1_0_0.TileMatrix[metadata.Scales.Count];
#region DPI
double inchMeter = 0.0254; /* 0.0254000508001016;*/
double dpi = inchMeter * 1000D / 0.28D; // wmts 0.28mm -> 1 Pixel;
double dpm = dpi / inchMeter;
#endregion
for (int s = 0, to = metadata.Scales.Count; s < to; s++)
{
string scalePath = _mapServer.TileCachePath + @"\" + context.ServiceMap.Name + @"\_alllayers\" + (cacheType == "compact" ? @"compact\" : "") +
TileServiceMetadata.ScalePath(GridOrientation.UpperLeft, epsg, metadata.Scales[s]);
if (!new DirectoryInfo(scalePath).Exists)
{
break;
}
double resolution = metadata.Scales[s] / (metadata.Dpi / inchMeter);
matrixSet.TileMatrix[s] = new gView.Framework.OGC.WMTS.Version_1_0_0.TileMatrix();
matrixSet.TileMatrix[s].Identifier = new gView.Framework.OGC.WMTS.Version_1_0_0.CodeType()
{
Value = s.ToString()
};
matrixSet.TileMatrix[s].TopLeftCorner = PointToString(origin, sRef);
matrixSet.TileMatrix[s].TileWidth = metadata.TileWidth.ToString();
matrixSet.TileMatrix[s].TileHeight = metadata.TileHeight.ToString();
double tileWidth = metadata.TileWidth * resolution;
double tileHeight = metadata.TileHeight * resolution;
int matrixWidth = (int)Math.Round(matrixSetWidth / tileWidth + 0.5);
int matrixHeight = (int)Math.Round(matrixSetHeight / tileHeight + 0.5);
matrixSet.TileMatrix[s].MatrixWidth = matrixWidth.ToString();
matrixSet.TileMatrix[s].MatrixHeight = matrixHeight.ToString();
matrixSet.TileMatrix[s].ScaleDenominator = resolution * dpm;
}
matrixSets.Add(matrixSet);
#endregion
}
}
capabilities.Contents.DatasetDescriptionSummary = layers.ToArray();
capabilities.Contents.TileMatrixSet = matrixSets.ToArray();
#endregion
XsdSchemaSerializer <gView.Framework.OGC.WMTS.Version_1_0_0.Capabilities> ser = new XsdSchemaSerializer <gView.Framework.OGC.WMTS.Version_1_0_0.Capabilities>();
string xml = ser.Serialize(capabilities, null);
xml = xml.Replace(@"<ows:DatasetDescriptionSummary xsi:type=""LayerType"">", "<Layer>");
xml = xml.Replace(@"</ows:DatasetDescriptionSummary>", "</Layer>");
context.ServiceRequest.Response = xml;
}
async private Task <byte[]> GetCompactTileBytes(IServiceRequestContext context, string path, int row, int col, string format)
{
string compactTileName = CompactTileName(row, col);
string bundleFilename = path + @"/" + compactTileName + ".tilebundle";
string bundleIndexFilename = path + @"/" + compactTileName + ".tilebundlx";
FileInfo fi = new FileInfo(bundleIndexFilename);
if (!fi.Exists)
{
return(CreateEmpty(format));
}
CompactTileIndex bundleIndex = new CompactTileIndex(bundleIndexFilename);
int bundleStartRow = CompactTileStart(row);
int bundleStartCol = CompactTileStart(col);
try
{
var tilePositionResult = await bundleIndex.TilePosition(row - bundleStartRow, col - bundleStartCol);
int tileLength = tilePositionResult.tileLength, tilePosition = tilePositionResult.position;
if (tilePosition < 0)
{
return(CreateEmpty(format));
}
using (FileStream fs = File.Open(bundleFilename, FileMode.Open, FileAccess.Read, FileShare.Read)) //new FileStream(bundleFilename, FileMode.Open, FileAccess.Read))
{
fs.Position = tilePosition;
byte[] data = new byte[tileLength];
await fs.ReadAsync(data, 0, tileLength);
return(data);
}
}
catch (Exception ex)
{
using (var serviceMap = await context.CreateServiceMapInstance())
{
TileServiceMetadata metadata = serviceMap.MetadataProvider(_metaprovider) as TileServiceMetadata;
using (var bitmap = Current.Engine.CreateBitmap(metadata.TileWidth, metadata.TileHeight))
using (var canvas = bitmap.CreateCanvas())
using (var font = Current.Engine.CreateFont("Arial", 9f))
using (var redBrush = Current.Engine.CreateSolidBrush(ArgbColor.Red))
{
canvas.DrawText(ex.Message, font, redBrush, new CanvasRectangleF(0f, 0f, bitmap.Width, bitmap.Height));
canvas.Flush();
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, format == ".png" ? ImageFormat.Png : ImageFormat.Jpeg);
return(ms.ToArray());
}
}
}
}
static int Main(string[] args)
{
try
{
PlugInManager.InitSilent = true;
Action action = Action.None;
string server = String.Empty, service = String.Empty, cacheFormat = "normal";
int epsg = 0, maxParallelRequests = 1;
GridOrientation orientation = GridOrientation.UpperLeft;
IEnvelope bbox = null;
List <int> scales = new List <int>();
for (int i = 0; i < args.Length; i++)
{
if (args[i] == "-server")
{
server = args[++i];
}
if (args[i] == "-service")
{
service = args[++i];
}
if (args[i] == "-info")
{
action = Action.Info;
}
if (args[i] == "-render")
{
action = Action.Render;
}
if (args[i] == "-compact")
{
cacheFormat = "compact";
}
if (args[i] == "-epsg")
{
epsg = int.Parse(args[++i]);
}
if (args[i] == "-orientation")
{
switch (args[++i].ToLower())
{
case "ul":
case "upperleft":
orientation = GridOrientation.UpperLeft;
break;
case "ll":
case "lowerleft":
orientation = GridOrientation.LowerLeft;
break;
}
}
if (args[i] == "-bbox")
{
bbox = Envelope.FromBBox(args[++i]);
}
if (args[i] == "-scales")
{
scales.AddRange(args[++i].Split(',').Select(v => int.Parse(v)));
}
if (args[i] == "-threads")
{
maxParallelRequests = int.Parse(args[++i]);
}
}
if (action == Action.None ||
String.IsNullOrWhiteSpace(server) ||
String.IsNullOrWhiteSpace(service))
{
Console.WriteLine("USAGE:");
Console.WriteLine("gView.Cmd.RenderTileCache <-info|-render> -server <server> -service <service>");
Console.WriteLine(" optional paramters: -epsg <epsg-code> [default: first]");
Console.WriteLine(" -compact ... create a compact tile cache");
Console.WriteLine(" -orientation <ul|ll|upperleft|lowerleft> [default: upperleft]");
Console.WriteLine(" -bbox <minx,miny,maxx,maxy> [default: fullextent]");
Console.WriteLine(" -scales <scale1,scale2,...> [default: empty => all scales");
Console.WriteLine(" -threads <max-parallel-requests> [default: 1]");
return(1);
}
#region Read Metadata
var metadata = new TileServiceMetadata().FromService(server, service);
if (metadata == null)
{
throw new Exception("Can't read metadata from server. Are you sure taht ervice is a gView WMTS service?");
}
#endregion
if (action == Action.Info)
{
#region TileSize
Console.WriteLine($"TileSize [Pixel]: { metadata.TileWidth } x { metadata.TileHeight }");
#endregion
#region ImageFormat
Console.Write("ImageFormats:");
Console.Write(metadata.FormatJpg ? " jpg" : "");
Console.Write(metadata.FormatPng ? " png" : "");
Console.WriteLine();
#endregion
#region Scales
Console.WriteLine("Scales:");
if (metadata.Scales != null)
{
foreach (var scale in metadata.Scales)
{
Console.WriteLine($" 1 : { scale }");
}
}
#endregion
#region Origin
Console.Write("Origin:");
Console.Write(metadata.UpperLeft ? " upperleft" : "");
Console.Write(metadata.LowerLeft ? " lowerleft" : "");
Console.WriteLine();
if (metadata.EPSGCodes != null)
{
foreach (var epsgCode in metadata.EPSGCodes)
{
if (metadata.UpperLeft)
{
var ul = metadata.GetOriginUpperLeft(epsgCode);
Console.WriteLine($" EPSG:{ epsgCode } upperleft: { ul.X }, { ul.Y }");
}
if (metadata.LowerLeft)
{
var ll = metadata.GetOriginUpperLeft(epsgCode);
Console.WriteLine($" EPSG:{ epsgCode } lowerleft: { ll.X }, { ll.Y }");
}
}
}
#endregion
#region Extents
Console.WriteLine("BBox:");
if (metadata.EPSGCodes != null)
{
foreach (var epsgCode in metadata.EPSGCodes)
{
var envelope = metadata.GetEPSGEnvelope(epsgCode);
if (envelope != null)
{
Console.WriteLine($" EPSG:{ epsgCode }: { envelope.minx }, { envelope.miny }, { envelope.maxx }, { envelope.maxy }");
}
}
}
#endregion
}
else if (action == Action.Render)
{
var startTime = DateTime.Now;
List <double> preRenderScales = new List <double>();
if (scales.Count > 0)
{
preRenderScales.AddRange(scales.Where(s => metadata.Scales.Contains(s)).Select(s => (double)s));
}
var tileRender = new TileRenderer(metadata,
epsg > 0 ? epsg : metadata.EPSGCodes.First(),
cacheFormat: cacheFormat,
orientation: orientation,
bbox: bbox,
preRenderScales: preRenderScales.Count > 0 ? preRenderScales : null,
maxParallelRequests: maxParallelRequests);
tileRender.Renderer(server, service);
Console.WriteLine();
Console.WriteLine($"Finished: { Math.Round((DateTime.Now - startTime).TotalSeconds) }sec");
}
return(0);
}
catch (Exception ex)
{
Console.WriteLine("Exception:");
Console.WriteLine(ex.Message);
return(1);
}
}
private void GetCompactTileBytes(IServiceRequestContext context, IServiceMap serviceMap, string path, int row, int col)
{
string compactTileName = CompactTileName(row, col);
string bundleFilename = path + @"\" + compactTileName + ".tilebundle";
string bundleIndexFilename = path + @"\" + compactTileName + ".tilebundlx";
FileInfo fi = new FileInfo(bundleIndexFilename);
if (!fi.Exists)
{
return;
}
CompactTileIndex bundleIndex = new CompactTileIndex(bundleIndexFilename);
int bundleStartRow = CompactTileStart(row);
int bundleStartCol = CompactTileStart(col);
try
{
int tileLength, tilePosition = bundleIndex.TilePosition(row - bundleStartRow, col - bundleStartCol, out tileLength);
if (tilePosition < 0)
{
return;
}
using (FileStream fs = File.Open(bundleFilename, FileMode.Open, FileAccess.Read, FileShare.Read)) //new FileStream(bundleFilename, FileMode.Open, FileAccess.Read))
{
fs.Position = tilePosition;
byte[] data = new byte[tileLength];
fs.Read(data, 0, tileLength);
context.ServiceRequest.Response = new MapServerResponse()
{
Data = data,
ContentType = "image/jpg",
Expires = DateTime.UtcNow.AddDays(7)
}.ToString();
}
}
catch (Exception ex)
{
TileServiceMetadata metadata = serviceMap.MetadataProvider(_metaprovider) as TileServiceMetadata;
using (var bitmap = Current.Engine.CreateBitmap(metadata.TileWidth, metadata.TileHeight))
using (var canvas = bitmap.CreateCanvas())
using (var font = Current.Engine.CreateFont("Arial", 9f))
using (var redBrush = Current.Engine.CreateSolidBrush(ArgbColor.Red))
{
canvas.DrawText(ex.Message, font, redBrush, new CanvasRectangleF(0f, 0f, (float)bitmap.Width, (float)bitmap.Height));
canvas.Flush();
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, ImageFormat.Png);
context.ServiceRequest.Response = new MapServerResponse()
{
Data = ms.ToArray(),
ContentType = "image/jpg"
}.ToString();
}
}
}
private byte[] GetCompactTile(IServiceRequestContext context, TileServiceMetadata metadata, int epsg, double scale, int row, int col, string format, GridOrientation orientation)
{
if (!metadata.EPSGCodes.Contains(epsg))
{
throw new ArgumentException("Wrong epsg argument");
}
if (orientation != GridOrientation.UpperLeft)
{
throw new ArgumentException("Compact Tiles Orientation must bei Upper Left!");
}
scale = metadata.Scales.GetScale(scale);
if (scale <= 0.0)
{
throw new ArgumentException("Wrong scale argument");
}
//IEnvelope bounds = metadata.GetEGPSEnvelope(epsg);
//if (bounds == null || bounds.Width == 0.0 || bounds.Height == 0.0)
// throw new Exception("No bounds defined for EPSG:" + epsg);
IPoint origin = metadata.GetOriginUpperLeft(epsg);
if (origin == null)
{
throw new Exception("No origin defined for EPSG:" + epsg);
}
format = format.ToLower();
if (format != ".png" && format != ".jpg")
{
throw new Exception("Unsupported image format");
}
if (format == ".png" && metadata.FormatPng == false)
{
throw new Exception("Format image/png not supported");
}
if (format == ".jpg" && metadata.FormatJpg == false)
{
throw new Exception("Format image/jpeg no supported");
}
string path = _mapServer.TileCachePath + @"\" + context.ServiceMap.Name + @"\_alllayers\compact\" +
TileServiceMetadata.ScalePath(orientation, epsg, scale);
string compactTileName = CompactTileName(row, col);
string bundleFilename = path + @"\" + compactTileName + ".tilebundle";
string bundleDoneFilename = path + @"\" + compactTileName + ".tilebundle.done";
string bundleCalcFilename = path + @"\" + compactTileName + ".tilebundle.calc";
if (new FileInfo(bundleFilename).Exists)
{
return(GetCompactTileBytes(context, path, row, col, format));
}
if (IsDirectoryEmpty(path))
{
#region On The Fly
using (IServiceMap map = context.ServiceMap)
{
ISpatialReference sRef = SpatialReference.FromID("epsg:" + epsg);
map.Display.SpatialReference = sRef;
map.Display.dpi = metadata.Dpi;
map.Display.iWidth = metadata.TileWidth;
map.Display.iHeight = metadata.TileHeight;
double res = (double)scale / (metadata.Dpi / 0.0254);
if (map.Display.MapUnits != GeoUnits.Meters)
{
GeoUnitConverter converter = new GeoUnitConverter();
res = converter.Convert(res, GeoUnits.Meters, map.Display.MapUnits);
}
origin = orientation == GridOrientation.UpperLeft ? metadata.GetOriginUpperLeft(epsg) : metadata.GetOriginLowerLeft(epsg);
double H = metadata.TileHeight * res;
double y = (orientation == GridOrientation.UpperLeft ?
origin.Y - H * (row + 1) :
origin.Y + H * row);
double W = metadata.TileWidth * res;
double x = origin.X + W * col;
map.Display.ZoomTo(new Envelope(x, y, x + W, y + H));
map.Render();
bool maketrans = map.Display.MakeTransparent;
map.Display.MakeTransparent = true;
MemoryStream ms = new MemoryStream();
map.SaveImage(ms, format == ".jpg" ? System.Drawing.Imaging.ImageFormat.Jpeg : System.Drawing.Imaging.ImageFormat.Png);
map.Display.MakeTransparent = maketrans;
return(ms.ToArray());
}
#endregion
#region Tile from Existing UpLevel Tiles (Vorteil Resampling wird nicht von Browser erledigt, ist meistens Fast -> hier Nearstneigbor)
int level2 = metadata.Scales.IndexOf(scale);
if (level2 <= 0)
{
return(null);
}
using (IServiceMap map = context.ServiceMap)
{
double res = (double)scale / (metadata.Dpi / 0.0254);
if (map.Display.MapUnits != GeoUnits.Meters)
{
GeoUnitConverter converter = new GeoUnitConverter();
res = converter.Convert(res, GeoUnits.Meters, map.Display.MapUnits);
}
double H = metadata.TileHeight * res;
double y = origin.Y - H * (row + 1);
double W = metadata.TileWidth * res;
double x = origin.X + W * col;
while (true)
{
if (level2 <= 0)
{
break;
}
double scale2 = metadata.Scales[level2 - 1];
string path2 = _mapServer.TileCachePath + @"\" + context.ServiceMap.Name + @"\_alllayers\compact\" +
TileServiceMetadata.ScalePath(orientation, epsg, scale2);
if (IsDirectoryEmpty(path2))
{
level2--;
continue;
}
double res2 = scale2 / (metadata.Dpi / 0.0254);
double W2 = metadata.TileWidth * res2;
double H2 = metadata.TileHeight * res2;
int col2_0 = (int)Math.Floor((x - origin.X) / W2);
int row2_0 = (int)Math.Floor((origin.Y - (y + H)) / H2);
int col2_1 = (int)Math.Floor((x + W - origin.X) / W2);
int row2_1 = (int)Math.Floor((origin.Y - y) / H2);
double x2_0 = origin.X + W2 * col2_0,
y2_0 = origin.Y - H2 * (row2_1 + 1);
double W20 = Math.Abs(col2_1 - col2_0 + 1) * W2,
H20 = Math.Abs(row2_1 - row2_0 + 1) * H2;
using (Bitmap bm = new Bitmap(Math.Abs(col2_1 - col2_0 + 1) * metadata.TileWidth, Math.Abs(row2_1 - row2_0 + 1) * metadata.TileHeight))
using (Graphics gr = Graphics.FromImage(bm))
{
for (int r2 = row2_0; r2 <= row2_1; r2++)
{
for (int c2 = col2_0; c2 <= col2_1; c2++)
{
byte[] buffer = GetCompactTileBytes(context, path2, r2, c2, format);
if (buffer != null && buffer.Length > 0)
{
MemoryStream ms = new MemoryStream(buffer);
var tileImage = Image.FromStream(ms);
gr.DrawImage(tileImage, new PointF((c2 - col2_0) * metadata.TileWidth, (r2 - row2_0) * metadata.TileHeight));
}
}
}
float imageX = (float)((x - x2_0) / W20 * (double)bm.Width);
float imageY = bm.Height - (float)((y - y2_0) / H20 * (double)bm.Height);
float imageW = (float)((double)metadata.TileWidth * res / res2);
float imageH = (float)((double)metadata.TileHeight * res / res2);
using (Bitmap outputBm = new Bitmap(metadata.TileWidth, metadata.TileHeight))
using (Graphics outputGr = Graphics.FromImage(outputBm))
{
outputGr.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
outputGr.DrawImage(bm,
new RectangleF(-.5f, -.5f, (float)outputBm.Width + 1f, (float)outputBm.Height + 1f),
new RectangleF(imageX, imageY - imageH, imageW, imageH),
GraphicsUnit.Pixel);
MemoryStream output = new MemoryStream();
outputBm.Save(output, format == ".png" ? ImageFormat.Png : ImageFormat.Jpeg);
return(output.ToArray());
}
}
}
}
#endregion
}
return(null);
}
public void Request(IServiceRequestContext context)
{
if (context == null || context.ServiceRequest == null || context.ServiceMap == null)
{
return;
}
if (_mapServer == null)
{
context.ServiceRequest.Response = "<FATALERROR>MapServer Object is not available!</FATALERROR>";
return;
}
TileServiceMetadata metadata = context.ServiceMap.MetadataProvider(_metaprovider) as TileServiceMetadata;
if (metadata == null || metadata.Use == false)
{
context.ServiceRequest.Response = "<ERROR>Service is not used with Tile Service</ERROR>";
return;
}
string service = context.ServiceRequest.Service;
string request = context.ServiceRequest.Request;
//_mapServer.Log("WMTSRequest", loggingMethod.request_detail, request);
if (request.Contains("=")) // QueryString
{
QueryString queryString = new QueryString(request);
if (queryString.HasValue("service", "wmts") && queryString.HasValue("request", "getcapabilities") && queryString.HasValue("version", "1.0.0"))
{
WmtsCapabilities100(context, metadata);
return;
}
}
string[] args = request.Split('/');
if (args.Length == 7)
{
string cacheFormat = args[0].ToLower();
if (args[1].ToLower() != "ul" &&
args[1].ToLower() != "ll")
{
throw new ArgumentException();
}
int epsg = int.Parse(args[2]);
string style = args[3].ToLower();
double scale = GetScale(metadata, args[4]); // double.Parse(args[4].Replace(",", "."), _nhi);
int row = int.Parse(args[5]);
int col = int.Parse(args[6].Split('.')[0]);
string format = ".png";
if (args[6].ToLower().EndsWith(".jpg"))
{
format = ".jpg";
}
byte[] imageData = null;
if (scale > 0)
{
if (cacheFormat == "compact")
{
imageData = GetCompactTile(context, metadata, epsg, scale, row, col, format, (args[1].ToLower() == "ul" ? GridOrientation.UpperLeft : GridOrientation.LowerLeft));
}
else
{
imageData = GetTile(context, metadata, epsg, scale, row, col, format, (args[1].ToLower() == "ul" ? GridOrientation.UpperLeft : GridOrientation.LowerLeft));
}
if (style != "default")
{
ImageProcessingFilters filter;
if (Enum.TryParse <ImageProcessingFilters>(style, true, out filter))
{
imageData = ImageProcessing.ApplyFilter(imageData, filter, format == ".png" ? ImageFormat.Png : ImageFormat.Jpeg);
}
}
}
context.ServiceRequest.Response = new MapServerResponse()
{
Data = imageData ?? _emptyPic,
ContentType = "image/jpg",
Expires = DateTime.UtcNow.AddDays(7)
}.ToString();
}
return;
}