private void cmbEpsgs_SelectedIndexChanged(object sender, EventArgs e)
        {
            btnImport.Enabled = false;
            if (_metadata != null)
            {
                if (_currentEpsg != -1)
                {
                    _metadata.SetEPSGEnvelope(_currentEpsg, this.CurrentEpsgExtent);
                    _metadata.SetOriginUpperLeft(_currentEpsg, this.CurrentEpsgOriginUpperLeft);
                    _metadata.SetOriginLowerLeft(_currentEpsg, this.CurrentEpsgOriginLowerLeft);
                }

                _currentEpsg                    = (int)cmbEpsgs.SelectedItem;
                this.CurrentEpsgExtent          = _metadata.GetEPSGEnvelope((int)cmbEpsgs.SelectedItem);
                this.CurrentEpsgOriginUpperLeft = _metadata.GetOriginUpperLeft((int)cmbEpsgs.SelectedItem);
                this.CurrentEpsgOriginLowerLeft = _metadata.GetOriginLowerLeft((int)cmbEpsgs.SelectedItem);

                panelExtent.Enabled = (_startupEpsg != null ?
                                       !(_startupEpsg.Contains(_currentEpsg) && this.CurrentEpsgExtent.Width > 0 && this.CurrentEpsgExtent.Height > 0)
                    : false);

                //numUL_x.Enabled = numUL_y.Enabled = numLL_x.Enabled = numLL_y.Enabled = panelExtent.Enabled;

                btnImport.Enabled = cmbEpsgs.SelectedIndex >= 0;
            }
        }
Beispiel #2
0
        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));
        }
Beispiel #3
0
        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);
            }
        }
Beispiel #4
0
        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);
        }
        private void Run()
        {
            if (_metadata == null || _mapServerClass == null || _mapServerClass.Dataset == null || _preRenderScales.Count == 0)
            {
                return;
            }

            string server  = ConfigTextStream.ExtractValue(_mapServerClass.Dataset.ConnectionString, "server");
            string service = ConfigTextStream.ExtractValue(_mapServerClass.Dataset.ConnectionString, "service");
            string user    = ConfigTextStream.ExtractValue(_mapServerClass.Dataset.ConnectionString, "user");
            string pwd     = ConfigTextStream.ExtractValue(_mapServerClass.Dataset.ConnectionString, "pwd");

            ISpatialReference sRef = SpatialReference.FromID("epsg:" + _selectedEpsg);

            if (sRef == null)
            {
                return;
            }

            IEnvelope extent = _metadata.GetEPSGEnvelope(_selectedEpsg);

            if (extent == null)
            {
                return;
            }
            if (_bounds == null)
            {
                _bounds = extent;
            }

            double width  = extent.Width;
            double height = extent.Height;

            double dpu = 1.0;

            if (sRef.SpatialParameters.IsGeographic)
            {
                GeoUnitConverter converter = new GeoUnitConverter();
                dpu = converter.Convert(1.0, GeoUnits.Meters, GeoUnits.DecimalDegrees);
            }

            Grid grid = new Grid(
                (_orientation == GridOrientation.UpperLeft ?
                 _metadata.GetOriginUpperLeft(_selectedEpsg) :
                 _metadata.GetOriginLowerLeft(_selectedEpsg)),

                /*new Point(extent.minx, extent.maxy) :
                 * new Point(extent.minx, extent.miny))*/
                _metadata.TileWidth, _metadata.TileHeight, 96.0,
                _orientation);

            int level = 0;

            foreach (double scale in _metadata.Scales)
            {
                double res = scale / (96.0 / 0.0254) * dpu;
                grid.AddLevel(level++, res);
            }

            MapServerConnection connector = new MapServerConnection(server);
            ProgressReport      report    = new ProgressReport();

            _cancelTracker.Reset();

            int step = _cacheFormat == "compact" ? 128 : 1;

            #region Count Tiles
            report.featureMax = 0;
            foreach (double scale in _preRenderScales)
            {
                double res = scale / (96.0 / 0.0254) * dpu;
                int    col0 = grid.TileColumn(_bounds.minx, res), col1 = grid.TileColumn(_bounds.maxx, res);
                int    row0 = grid.TileRow(_bounds.maxy, res), row1 = grid.TileRow(_bounds.miny, res);

                report.featureMax += Math.Max(1, (Math.Abs(col1 - col0) + 1) * (Math.Abs(row1 - row0) + 1) / step / step);
            }
            #endregion

            RenderTileThreadPool threadPool = new RenderTileThreadPool(connector, service, user, pwd, _maxParallelRequests);

            var thread = threadPool.FreeThread;
            if (_orientation == GridOrientation.UpperLeft)
            {
                thread.Start("init/" + _cacheFormat + "/ul/" + cmbEpsg.SelectedItem.ToString() + "/" + _imgExt.Replace(".", ""));
            }
            else
            {
                thread.Start("init/" + _cacheFormat + "/ll/" + cmbEpsg.SelectedItem.ToString() + "/" + _imgExt.Replace(".", ""));
            }

            foreach (double scale in _preRenderScales)
            {
                double res = scale / (96.0 / 0.0254) * dpu;
                int    col0 = grid.TileColumn(_bounds.minx, res), col1 = grid.TileColumn(_bounds.maxx, res);
                int    row0 = grid.TileRow(_bounds.maxy, res), row1 = grid.TileRow(_bounds.miny, res);
                int    cols = Math.Abs(col1 - col0) + 1;
                int    rows = Math.Abs(row1 - row0) + 1;
                col0 = Math.Min(col0, col1);
                row0 = Math.Min(row0, row1);

                if (ReportProgress != null)
                {
                    report.Message = "Scale: " + scale.ToString() + " - " + Math.Max(1, (rows * cols) / step / step).ToString() + " tiles...";
                    ReportProgress(report);
                }

                string boundingTiles = _cacheFormat == "compact" ? "/" + row0 + "|" + (row0 + rows) + "|" + col0 + "|" + (col0 + cols) : String.Empty;

                for (int row = row0; row < (row0 + rows) + (step - 1); row += step)
                {
                    for (int col = col0; col < (col0 + cols) + (step - 1); col += step)
                    {
                        while ((thread = threadPool.FreeThread) == null)
                        {
                            Thread.Sleep(50);
                            if (!_cancelTracker.Continue)
                            {
                                return;
                            }
                        }
                        if (_orientation == GridOrientation.UpperLeft)
                        {
                            thread.Start("tile:render/" + _cacheFormat + "/ul/" + cmbEpsg.SelectedItem.ToString() + "/" + scale.ToString(_nhi) + "/" + row + "/" + col + _imgExt + boundingTiles);
                        }
                        else
                        {
                            thread.Start("tile:render/" + _cacheFormat + "/ll/" + cmbEpsg.SelectedItem.ToString() + "/" + scale.ToString(_nhi) + "/" + row + "/" + col + _imgExt + boundingTiles);
                        }

                        if (ReportProgress != null)
                        {
                            report.featurePos++;
                            if (report.featurePos % 5 == 0 || _cacheFormat == "compact")
                            {
                                ReportProgress(report);
                            }
                        }
                        if (!_cancelTracker.Continue)
                        {
                            return;
                        }
                    }
                }
            }

            while (threadPool.IsFinished == false)
            {
                Thread.Sleep(50);
            }

            if (!String.IsNullOrEmpty(threadPool.Exceptions))
            {
                MessageBox.Show(threadPool.Exceptions, "Exceptions", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }
Beispiel #6
0
        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);
        }