Beispiel #1
0
    public static DataListBuilder SearchMapTab(string mapTabID, string[] visibleLayers, string levelID, double x, double y,
                                               double distance, double scale, bool addSpace)
    {
        DataListBuilder dataListBuilder = new DataListBuilder();

        Configuration config = AppContext.GetConfiguration();

        Configuration.MapTabRow mapTab    = config.MapTab.First(o => o.MapTabID == mapTabID);
        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>();

        bool useDefaultVisible = visibleLayers.Length == 1 && visibleLayers[0] == "*";

        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);
                bool defaultVisible  = useDefaultVisible && !mapTabLayer.IsCheckInLegendNull() && mapTabLayer.CheckInLegend == 1;
                isCandidateLayer = !shownInLegend || checkedInLegend || defaultVisible;
            }

            if (isCandidateLayer)
            {
                Configuration.LayerRow         layer         = mapTabLayer.LayerRow;
                Configuration.LayerFunctionRow layerFunction = layer.GetLayerFunctionRows().FirstOrDefault(o => o.FunctionName.ToLower() == "identify");

                if (layerFunction != null)
                {
                    layers.Add(layer.LayerName, layer);
                    layerFunctions.Add(layer.LayerName, layerFunction);
                }
            }
        }

        foreach (CommonLayer commonLayer in dataFrame.Layers)
        {
            DataTable table = null;

            if (layers.ContainsKey(commonLayer.Name) && commonLayer.IsWithinScaleThresholds(scale))
            {
                Configuration.LayerRow layer = layers[commonLayer.Name];

                if (commonLayer.Type == CommonLayerType.Feature)
                {
                    CommonField keyField   = commonLayer.FindField(layer.KeyField);
                    string      levelQuery = layer.GetLevelQuery(commonLayer, levelID);
                    table = commonLayer.GetFeatureTable(keyField.Name, levelQuery, x, y, commonLayer.FeatureType == OgcGeometryType.MultiPolygon ? 0 : distance * scale);
                }

                if (commonLayer.Type == CommonLayerType.Image && commonLayer is AgsLayer)
                {
                    string id = ((AgsLayer)commonLayer).GetRasterValue(x, y);
                    table = new DataTable();
                    table.Columns.Add("ID");
                    table.Rows.Add(id);
                }
            }

            if (table != null && table.Rows.Count > 0)
            {
                Configuration.LayerFunctionRow layerFunction = layerFunctions[commonLayer.Name];

                foreach (DataRow row in table.Rows)
                {
                    string id = row[0].ToString();

                    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())
                        {
                            dataListBuilder.AddFromReader(reader, addSpace);
                        }

                        command.Connection.Dispose();
                    }
                }
            }
        }

        return(dataListBuilder);
    }
Beispiel #2
0
    private void AddLayers(Configuration.MapTabRow mapTabRow, AppState appState)
    {
        CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTabRow);

        bool      isInteractive = !mapTabRow.IsInteractiveLegendNull() && mapTabRow.InteractiveLegend == 1;
        CheckMode checkMode     = CheckMode.None;

        List <CommonLayer>     configuredLayers = new List <CommonLayer>();
        List <LayerProperties> layerProperties  = new List <LayerProperties>();
        List <String>          mapTabLayerIds   = new List <String>();

        string name        = null;
        string metaDataUrl = null;

        StringCollection visibleLayers = isInteractive ? appState.VisibleLayers[mapTabRow.MapTabID] : null;

        // find layers attached via MapTabLayer

        foreach (Configuration.MapTabLayerRow mapTabLayerRow in mapTabRow.GetMapTabLayerRows())
        {
            if (!mapTabLayerRow.IsShowInLegendNull() && mapTabLayerRow.ShowInLegend == 1)
            {
                CommonLayer layer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, mapTabLayerRow.LayerRow.LayerName, true) == 0);

                name        = mapTabLayerRow.LayerRow.IsDisplayNameNull() ? mapTabLayerRow.LayerRow.LayerName : mapTabLayerRow.LayerRow.DisplayName;
                metaDataUrl = mapTabLayerRow.LayerRow.IsMetaDataURLNull() ? null : mapTabLayerRow.LayerRow.MetaDataURL;
                bool isExclusive = mapTabLayerRow.IsIsExclusiveNull() ? false : mapTabLayerRow.IsExclusive == 1;

                string tag = mapTabLayerRow.LayerID;
                mapTabLayerIds.Add(tag);

                if (isInteractive)
                {
                    bool layerVisible = visibleLayers != null && visibleLayers.Contains(mapTabLayerRow.LayerID);
                    checkMode = mapTabLayerRow.IsCheckInLegendNull() || mapTabLayerRow.CheckInLegend < 0 ? CheckMode.Empty :
                                layerVisible ? CheckMode.Checked : CheckMode.Unchecked;
                }

                configuredLayers.Add(layer);
                layerProperties.Add(new LayerProperties(name, tag, checkMode, isExclusive, metaDataUrl));
            }
        }

        // add group layers as necessary

        for (int i = 0; i < configuredLayers.Count; ++i)
        {
            checkMode = !isInteractive ? CheckMode.None : layerProperties[i].CheckMode == CheckMode.Checked ? CheckMode.Checked : CheckMode.Unchecked;
            CommonLayer parent = configuredLayers[i].Parent;

            while (parent != null)
            {
                int index = configuredLayers.IndexOf(parent);

                if (index < 0)
                {
                    configuredLayers.Add(parent);
                    layerProperties.Add(new LayerProperties(parent.Name, null, checkMode, false, null));
                }
                else
                {
                    if (checkMode == CheckMode.Checked && layerProperties[index].CheckMode == CheckMode.Unchecked)
                    {
                        layerProperties[index].CheckMode = CheckMode.Checked;
                    }
                }

                parent = parent.Parent;
            }
        }

        // create the top level legend control for this map tab

        HtmlGenericControl parentLegend = new HtmlGenericControl("div");

        pnlLayerScroll.Controls.Add(parentLegend);
        parentLegend.Attributes["data-maptab"] = mapTabRow.MapTabID;
        parentLegend.Attributes["class"]       = "LegendTop";
        parentLegend.Style["display"]          = mapTabRow.MapTabID == appState.MapTab ? "block" : "none";

        // add the Legend controls for the configured layers

        foreach (CommonLayer layer in dataFrame.TopLevelLayers)
        {
            AddLayerToLegend(mapTabRow.MapTabID, configuredLayers, layerProperties, parentLegend, layer);
        }
    }
Beispiel #3
0
    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));
    }
Beispiel #4
0
    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);
        }
    }