private List <CommonLayer> GetLegendLayers() { StringCollection visibleLayers = null; if (_pixelSize > 0 && _appState.VisibleLayers.ContainsKey(_appState.MapTab)) { visibleLayers = _appState.VisibleLayers[_appState.MapTab]; } Configuration config = AppContext.GetConfiguration(); Configuration.MapTabRow mapTab = config.MapTab.FindByMapTabID(_appState.MapTab); CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTab); List <CommonLayer> layerList = new List <CommonLayer>(); List <String> mapTabLayerIds = new List <String>(); foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows()) { Configuration.LayerRow layer = mapTabLayer.LayerRow; mapTabLayerIds.Add(layer.LayerID); CommonLayer commonLayer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, layer.LayerName, true) == 0); if (commonLayer.Type == CommonLayerType.Feature && !layerList.Contains(commonLayer)) { bool hasClasses = GetNumClasses(commonLayer) > 0; bool visibleAtScale = _pixelSize <= 0 || commonLayer.IsWithinScaleThresholds(_pixelSize); bool shownInLegend = !mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1; bool checkedInLegend = mapTabLayer.IsCheckInLegendNull() || mapTabLayer.CheckInLegend < 0 || visibleLayers == null || visibleLayers.Contains(layer.LayerID); bool shownInPrintLegend = !(!mapTabLayer.IsShowInPrintLegendNull() && mapTabLayer.ShowInPrintLegend == 0); if (hasClasses && visibleAtScale && shownInLegend && checkedInLegend && shownInPrintLegend) { layerList.Add(commonLayer); while (commonLayer.Parent != null) { commonLayer = commonLayer.Parent; if (!layerList.Contains(commonLayer)) { layerList.Add(commonLayer); } } } } } return(layerList); }
public MapImageData GetImage() { StringCollection visibleLayers = null; if (_appState.VisibleLayers.ContainsKey(_appState.MapTab)) { visibleLayers = _appState.VisibleLayers[_appState.MapTab]; } string keyExtent = _appState.Extent.ToDelimitedString(); string keySize = _width.ToString() + "," + _height.ToString(); string keyLayers = visibleLayers != null?visibleLayers.ToString('|') : ""; string key = String.Format("{0}|{1}|{2}|{3}|{4}|{5}", _appState.MapTab, _appState.Level, keyExtent, keySize, _resolution, keyLayers); CommonImageType imageType = CommonImageType.Png; byte[] image = null; MapImageData mapImageData = AppContext.ServerImageCache.Retrieve(key); if (mapImageData != null) { imageType = mapImageData.Type; image = mapImageData.Image; } Configuration config = AppContext.GetConfiguration(); Configuration.MapTabRow mapTab = config.MapTab.FindByMapTabID(_appState.MapTab); CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTab); bool isInteractive = !mapTab.IsInteractiveLegendNull() && mapTab.InteractiveLegend == 1; // create the base image if not found in the cache if (image == null) { CommonMap map = dataFrame.GetMap(_width, _height, _extent); map.Resolution = _resolution; map.ImageType = CommonImageType.Png; double pixelSize = map.Extent.Width / _width; Dictionary <int, CommonLayer> layerList = new Dictionary <int, CommonLayer>(); Dictionary <int, String> definitionList = new Dictionary <int, String>(); List <String> mapTabLayerIds = new List <String>(); foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows()) { Configuration.LayerRow layer = mapTabLayer.LayerRow; mapTabLayerIds.Add(layer.LayerID); CommonLayer commonLayer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, layer.LayerName, true) == 0); int index = dataFrame.Layers.IndexOf(commonLayer); bool visibleAtScale = commonLayer.IsWithinScaleThresholds(pixelSize); bool shownInLegend = !mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1; bool checkedInLegend = !isInteractive || mapTabLayer.IsCheckInLegendNull() || mapTabLayer.CheckInLegend < 0 || (visibleLayers != null && visibleLayers.Contains(layer.LayerID)); bool validLevel = layer.IsLevelFieldNull() || !String.IsNullOrEmpty(_appState.Level); if (!layerList.ContainsKey(index) && visibleAtScale && (!shownInLegend || checkedInLegend) && validLevel) { if (commonLayer.Type == CommonLayerType.Image) { map.ImageType = CommonImageType.Jpg; } layerList.Add(index, commonLayer); definitionList.Add(index, layer.GetLevelQuery(commonLayer, _appState.Level)); } } if (!mapTab.IsBaseMapIDNull()) { foreach (Configuration.LayerRow layer in config.Layer.Where(o => !o.IsBaseMapIDNull() && o.BaseMapID == mapTab.BaseMapID)) { if (!mapTabLayerIds.Contains(layer.LayerID)) { CommonLayer commonLayer = dataFrame.Layers.FirstOrDefault(o => String.Compare(o.Name, layer.LayerName, true) == 0); int index = dataFrame.Layers.IndexOf(commonLayer); bool visibleAtScale = commonLayer.IsWithinScaleThresholds(pixelSize); if (!layerList.ContainsKey(index) && visibleAtScale) { if (commonLayer.Type == CommonLayerType.Image) { map.ImageType = CommonImageType.Jpg; } layerList.Add(index, commonLayer); definitionList.Add(index, layer.GetLevelQuery(commonLayer, _appState.Level)); } } } } int[] indexes = new int[layerList.Keys.Count]; layerList.Keys.CopyTo(indexes, 0); List <int> indexList = new List <int>(indexes); indexList.Sort(); for (int i = 0; i < indexList.Count; ++i) { map.AddLayer(layerList[indexList[i]], definitionList[indexList[i]]); } imageType = map.ImageType; image = map.GetImageBytes(); AppContext.ServerImageCache.Store(key, new MapImageData(imageType, image)); } // draw the selected feature graphics and markup if (_appState.TargetIds.Count > 0 || _appState.SelectionIds.Count > 0 || _appState.MarkupGroups.Count > 0 || _appState.Markup.Count > 0) { Bitmap bitmap = new Bitmap(new MemoryStream(image)); bitmap.SetResolution(dataFrame.Dpi, dataFrame.Dpi); Graphics graphics = Graphics.FromImage(bitmap); if (_appState.TargetIds.Count > 0 || _appState.SelectionIds.Count > 0) { StringCollection targetIds; StringCollection filteredIds; StringCollection selectionIds; PrepareIds(out targetIds, out filteredIds, out selectionIds); DrawFeatures(graphics, _appState.TargetLayer, filteredIds, AppSettings.FilteredColor, AppSettings.FilteredOpacity, AppSettings.FilteredPolygonMode, AppSettings.FilteredPenWidth, AppSettings.FilteredDotSize); DrawFeatures(graphics, _appState.SelectionLayer, selectionIds, AppSettings.SelectionColor, AppSettings.SelectionOpacity, AppSettings.SelectionPolygonMode, AppSettings.SelectionPenWidth, AppSettings.SelectionDotSize); DrawFeatures(graphics, _appState.TargetLayer, targetIds, AppSettings.TargetColor, AppSettings.TargetOpacity, AppSettings.TargetPolygonMode, AppSettings.TargetPenWidth, AppSettings.TargetDotSize); DrawFeatures(graphics, _appState.TargetLayer, _appState.ActiveMapId, AppSettings.ActiveColor, AppSettings.ActiveOpacity, AppSettings.ActivePolygonMode, AppSettings.ActivePenWidth, AppSettings.ActiveDotSize); IGeometry selectionBuffer = _appState.SelectionManager.GetSelectionBuffer(); if (selectionBuffer != null) { Brush bufferBrush = new SolidBrush(Color.FromArgb(Convert.ToInt32(255 * AppSettings.BufferOpacity), AppSettings.BufferColor)); Pen bufferPen = AppSettings.BufferOutlineOpacity > 0 ? new Pen(new SolidBrush(Color.FromArgb(Convert.ToInt32(255 * AppSettings.BufferOutlineOpacity), AppSettings.BufferOutlineColor)), AppSettings.BufferOutlinePenWidth) : null; switch (selectionBuffer.OgcGeometryType) { case OgcGeometryType.Polygon: DrawPolygon(graphics, (IPolygon)selectionBuffer, bufferBrush, null, bufferPen); break; case OgcGeometryType.MultiPolygon: DrawMultiPolygon(graphics, (IMultiPolygon)selectionBuffer, bufferBrush, null, bufferPen); break; } } } graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias; DrawMarkup(graphics); MemoryStream memoryStream = new MemoryStream(); if (imageType == CommonImageType.Jpg) { ImageCodecInfo imageCodecInfo = GetEncoderInfo("image/jpeg"); EncoderParameters encoderParameters = new EncoderParameters(1); encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality, 85L); bitmap.Save(memoryStream, imageCodecInfo, encoderParameters); } else { bitmap.Save(memoryStream, bitmap.RawFormat); } image = memoryStream.ToArray(); } return(new MapImageData(imageType, image)); }
private void DefaultMethod() { string v = Request.Form["visiblelayers"]; string[] visibleLayers = v == null ? new string[0] : v.Split('\u0001'); string level = Request.Form["level"]; double x = Convert.ToDouble(Request.Form["x"]); double y = Convert.ToDouble(Request.Form["y"]); double distance = Convert.ToDouble(Request.Form["distance"]); double scale = Convert.ToDouble(Request.Form["scale"]); Configuration config = AppContext.GetConfiguration(); Configuration.MapTabRow mapTab = config.MapTab.First(o => o.MapTabID == Request.Form["maptab"]); CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTab); Dictionary <String, Configuration.LayerRow> layers = new Dictionary <String, Configuration.LayerRow>(); Dictionary <String, Configuration.LayerFunctionRow> layerFunctions = new Dictionary <String, Configuration.LayerFunctionRow>(); foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows()) { bool isCandidateLayer = mapTab.IsInteractiveLegendNull() || mapTab.InteractiveLegend == 0; if (!isCandidateLayer) { bool shownInLegend = !mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1; bool checkedInLegend = mapTabLayer.IsCheckInLegendNull() || mapTabLayer.CheckInLegend < 0 || visibleLayers.Any(o => o == mapTabLayer.LayerID); isCandidateLayer = !shownInLegend || checkedInLegend; } if (isCandidateLayer) { Configuration.LayerRow layer = mapTabLayer.LayerRow; Configuration.LayerFunctionRow layerFunction = layer.GetLayerFunctionRows().FirstOrDefault(o => o.FunctionName.ToLower() == "maptip"); if (layerFunction != null) { layers.Add(layer.LayerName, layer); layerFunctions.Add(layer.LayerName, layerFunction); } } } string tipText = null; for (int i = 0; i < dataFrame.Layers.Count - 1 && tipText == null; ++i) { CommonLayer commonLayer = dataFrame.Layers[i]; string id = null; if (layers.ContainsKey(commonLayer.Name) && commonLayer.IsWithinScaleThresholds(scale)) { if (commonLayer.Type == CommonLayerType.Feature) { Configuration.LayerRow layer = layers[commonLayer.Name]; string levelQuery = layer.GetLevelQuery(commonLayer, level); CommonField keyField = commonLayer.FindField(layer.KeyField); DataTable table = commonLayer.GetFeatureTable(keyField.Name, levelQuery, x, y, commonLayer.FeatureType == OgcGeometryType.MultiPolygon ? 0 : distance * scale); if (table != null && table.Rows.Count > 0) { id = table.Rows[table.Rows.Count - 1][0].ToString(); } } if (commonLayer.Type == CommonLayerType.Image) { id = ((AgsLayer)commonLayer).GetRasterValue(x, y); } } if (!String.IsNullOrEmpty(id)) { Configuration.LayerFunctionRow layerFunction = layerFunctions[commonLayer.Name]; using (OleDbCommand command = layerFunction.GetDatabaseCommand()) { command.Parameters[0].Value = id; if (command.Parameters.Count > 1) { command.Parameters[1].Value = AppUser.GetRole(); } using (OleDbDataReader reader = command.ExecuteReader()) { if (reader.Read()) { StringCollection text = new StringCollection(); for (int j = 0; j < reader.FieldCount; ++j) { if (!reader.IsDBNull(j)) { text.Add(reader.GetValue(j).ToString()); } } if (text.Count > 0) { tipText = text.Join("\n"); } } } command.Connection.Close(); } } } if (tipText == null) { ReturnJson(null); } else { Dictionary <String, Object> result = new Dictionary <String, Object>(); result.Add("tipText", tipText); ReturnJson(result); } }