示例#1
0
        static public Bitmap LoadThumbnailFromWeb(string url, string filename)
        {
            try
            {
                DataSetManager.DownloadFile(CacheProxy.GetCacheUrl(url), Properties.Settings.Default.CahceDirectory + @"thumbnails\" + filename, true, true);

                return(UiTools.LoadBitmap(Properties.Settings.Default.CahceDirectory + @"thumbnails\" + filename));
            }
            catch
            {
                return(null);
            }
        }
示例#2
0
        public static void GetDemTileFromWeb(Tile retTile)
        {
            string directory = retTile.DemDirectory;

            if (!Directory.Exists(directory))
            {
                Directory.CreateDirectory(directory);
            }

            string   filename = retTile.DemFilename;
            FileInfo fi       = new FileInfo(filename);
            bool     exists   = fi.Exists;

            if (exists)
            {
                if (fi.Length != 2178 && fi.Length != 1026 && fi.Length != 2052 && (retTile.Dataset.Projection != ProjectionType.Mercator))
                {
                    try
                    {
                        File.Delete(filename);
                    }
                    catch
                    {
                    }
                    exists = false;
                }
            }


            if (!exists)
            {
                try
                {
                    WebClient Client = new WebClient();
                    Client.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)");

                    string dlFile = string.Format("{0}.tmp{1}", filename, NodeID);

                    Client.DownloadFile(CacheProxy.GetCacheUrl(retTile.DemURL), dlFile);
                    try
                    {
                        if (File.Exists(dlFile))
                        {
                            if (File.Exists(filename))
                            {
                                File.Delete(filename);
                            }
                            File.Move(dlFile, filename);
                        }
                    }
                    catch
                    {
                    }
                    fi     = new FileInfo(filename);
                    exists = fi.Exists;
                }
                catch
                {
                    if (Earth3d.Logging)
                    {
                        Earth3d.WriteLogMessage("Dem Download: Exception");
                    }
                    exists = false;
                }
            }

            retTile.DemReady = true;


            retTile.demFileExists = exists;

            return;
        }
示例#3
0
        public static Tile GetTileFromWeb(Tile retTile, bool Initialize)
        {
            WebClient Client = null;

            if (retTile.Dataset.Projection == ProjectionType.SkyImage && retTile.Dataset.Url.EndsWith("/screenshot.png"))
            {
                SkyImageTile tile = retTile as SkyImageTile;
                Client = new WebClient();
                string url = tile.URL;
                tile.ImageData        = Client.DownloadData(url);
                retTile.DemReady      = true;
                retTile.FileExists    = true;
                retTile.ReadyToRender = true;
                retTile.TextureReady  = true;

                //retTile.CreateGeometry(Tile.prepDevice);
                Client.Dispose();
                return(retTile);
            }

            Tile parent = retTile.Parent;

            if (retTile.DemEnabled && (parent == null || (parent != null && parent.DemGeneration == 0)))
            {
                GetDemTileFromWeb(retTile);
            }
            else
            {
                retTile.DemReady = true;
            }

            if (retTile.Dataset.WcsImage != null && retTile.Dataset.WcsImage is FitsImage)
            {
                retTile.TextureReady = true;
                InitializeTile(retTile);
                return(retTile);
            }


            string directory = retTile.Directory;

            if (!Directory.Exists(directory))
            {
                Directory.CreateDirectory(directory);
            }

            string filename = retTile.FileName;

            Client = new WebClient();

            FileInfo fi     = new FileInfo(filename);
            bool     exists = fi.Exists;

            if (exists)
            {
                if (fi.Length != 8 && fi.Length < 100 || retTile.Volitile)
                {
                    try
                    {
                        File.Delete(filename);
                    }
                    catch
                    {
                    }
                    exists = false;
                }
            }


            if (!exists)
            {
                try
                {
                    if (retTile.Dataset.IsMandelbrot)
                    {
                        retTile.ComputeMandel();
                        fi     = new FileInfo(filename);
                        exists = fi.Exists;
                    }
                    else
                    {
                        Client.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)");
                        string url = retTile.URL;
                        if (string.IsNullOrEmpty(url))
                        {
                            retTile.errored = true;
                        }
                        else
                        {
                            string dlFile = string.Format("{0}.tmp{1}", filename, NodeID);



                            Client.DownloadFile(CacheProxy.GetCacheUrl(url), dlFile);
                            try
                            {
                                if (File.Exists(dlFile))
                                {
                                    if (File.Exists(filename))
                                    {
                                        File.Delete(filename);
                                    }
                                    File.Move(dlFile, filename);
                                }
                            }
                            catch
                            {
                                //   UiTools.ShowMessageBox("File Download collision catch");
                            }
                            fi     = new FileInfo(filename);
                            exists = fi.Exists;
                        }
                        // Code for drawing tile it onto tile for debuggin
                        //if (retTile.Dataset.Projection == ProjectionType.Toast)
                        //{
                        //    //Bitmap bmpText = new Bitmap(filename);
                        //    Bitmap bmpText = UiTools.LoadBitmap(filename);
                        //    Graphics g = Graphics.FromImage(bmpText);
                        //    g.DrawString(retTile.Key, UiTools.StandardRegular, UiTools.StadardTextBrush, new RectangleF(0, 0, 255, 255), UiTools.StringFormatCenterCenter);
                        //    g.Flush();
                        //    g.Dispose();
                        //    bmpText.Save(filename);

                        //    bmpText.Dispose();
                        //}
                    }
                }
                catch
                {
                    //todo retry login on non - HTTP failuers.
                    if (Earth3d.Logging)
                    {
                        Earth3d.WriteLogMessage("Tile Download: Exception");
                    }
                    retTile.errored = true;
                }
            }
            try
            {
                if (exists)
                {
                    if (fi.Length < 100 || (fi.Length == 1033))
                    {
                        retTile.errored = true;
                        return(retTile);
                    }
                }

                // todo 3d Cities remove support for 3d Cities for now
                if (retTile.Dataset.Projection == ProjectionType.Mercator && Properties.Settings.Default.Show3dCities)
                {
                    string tileID = retTile.GetTileID();

                    //check coverage cache before downloading
                    int gen = CoverageMap.GetCoverage(tileID);
                    if (gen > 0)
                    {
                        //try downloading mesh
                        try
                        {
                            string meshFilename = retTile.FileName + ".mesh";

                            if (!File.Exists(meshFilename))
                            {
                                Client.Headers.Add("User-Agent", "Win8Microsoft.BingMaps.3DControl/2.214.2315.0 (;;;;x64 Windows RT)");

                                string dlFile = string.Format("{0}.tmp{1}", meshFilename, NodeID);


                                Client.DownloadFile(string.Format("http://ak.t{1}.tiles.virtualearth.net/tiles/mtx{0}?g={2}", tileID, Tile.GetServerID(retTile.X, retTile.Y), gen.ToString()), dlFile);

                                try
                                {
                                    if (File.Exists(dlFile))
                                    {
                                        if (File.Exists(meshFilename))
                                        {
                                            File.Delete(meshFilename);
                                        }
                                        File.Move(dlFile, meshFilename);
                                    }
                                }
                                catch
                                {
                                    //  UiTools.ShowMessageBox("File Download collision catch");
                                }
                            }
                        }
                        catch
                        {
                        }
                    }
                }

                retTile.FileExists = true;

                retTile.TextureReady = true;


                if (Initialize)
                {
                    InitializeTile(retTile);
                }
            }
            catch (System.Exception)
            {
                if (Earth3d.Logging)
                {
                    Earth3d.WriteLogMessage("Tile Initialize: Exception");
                }
                retTile.errored = true;
            }

            return(retTile);
        }