// ArcGIS Snippet Title: // Create JPEG from ActiveView // // Long Description: // Creates a .jpg (JPEG) file from IActiveView. Default values of 96 DPI are used for the image creation. // // Add the following references to the project: // ESRI.ArcGIS.Carto // ESRI.ArcGIS.Display // ESRI.ArcGIS.Geometry // ESRI.ArcGIS.Output // ESRI.ArcGIS.System // // Intended ArcGIS Products for this snippet: // ArcGIS Desktop (ArcEditor, ArcInfo, ArcView) // ArcGIS Engine // ArcGIS Server // // Applicable ArcGIS Product Versions: // 9.2 // 9.3 // 9.3.1 // 10.0 // // Required ArcGIS Extensions: // (NONE) // // Notes: // This snippet is intended to be inserted at the base level of a Class. // It is not intended to be nested within an existing Method. // ///<summary>Creates a .jpg (JPEG) file from IActiveView. Default values of 96 DPI are used for the image creation.</summary> /// ///<param name="activeView">An IActiveView interface</param> ///<param name="pathFileName">A System.String that the path and filename of the JPEG you want to create. Example: "C:\temp\test.jpg"</param> /// ///<returns>A System.Boolean indicating the success</returns> /// ///<remarks></remarks> public System.Boolean CreateJPEGFromActiveView(ESRI.ArcGIS.Carto.IActiveView activeView, System.String pathFileName) { //parameter check if (activeView == null || !(pathFileName.EndsWith(".jpg"))) { return(false); } IExport export = (IExport) new ExportJPEG(); export.ExportFileName = pathFileName; // Microsoft Windows default DPI resolution export.Resolution = 96; tagRECT exportRECT = activeView.ExportFrame; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom); export.PixelBounds = envelope; System.Int32 hDC = export.StartExporting(); activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null); // Finish writing the export file and cleanup any intermediate files export.FinishExporting(); export.Cleanup(); return(true); }
///<summary>Add a North Arrow to the Page Layout from the Map.</summary> /// ///<param name="pageLayout">An IPageLayout interface.</param> ///<param name="map">An IMap interface.</param> /// ///<remarks></remarks> public void AddNorthArrow(IPageLayout pageLayout, IMap map) { if (pageLayout == null || map == null) { return; } ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(1, 24, 5, 24); // Specify the location and size of the north arrow ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass(); uid.Value = "esriCarto.MarkerNorthArrow"; // Create a Surround. Set the geometry of the MapSurroundFrame to give it a location // Activate it and add it to the PageLayout's graphics container ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer; // Dynamic Cast ESRI.ArcGIS.Carto.IActiveView activeView = pageLayout as ESRI.ArcGIS.Carto.IActiveView; // Dynamic Cast ESRI.ArcGIS.Carto.IFrameElement frameElement = graphicsContainer.FindFrame(map); ESRI.ArcGIS.Carto.IMapFrame mapFrame = frameElement as ESRI.ArcGIS.Carto.IMapFrame; // Dynamic Cast ESRI.ArcGIS.Carto.IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uid as ESRI.ArcGIS.esriSystem.UID, null); // Dynamic Cast ESRI.ArcGIS.Carto.IElement element = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement; // Dynamic Cast element.Geometry = envelope; element.Activate(activeView.ScreenDisplay); graphicsContainer.AddElement(element, 0); ESRI.ArcGIS.Carto.IMapSurround mapSurround = mapSurroundFrame.MapSurround; // Change out the default north arrow ESRI.ArcGIS.Carto.IMarkerNorthArrow markerNorthArrow = mapSurround as ESRI.ArcGIS.Carto.IMarkerNorthArrow; // Dynamic Cast ESRI.ArcGIS.Display.IMarkerSymbol markerSymbol = markerNorthArrow.MarkerSymbol; ESRI.ArcGIS.Display.ICharacterMarkerSymbol characterMarkerSymbol = markerSymbol as ESRI.ArcGIS.Display.ICharacterMarkerSymbol; // Dynamic Cast characterMarkerSymbol.CharacterIndex = 200; // change the symbol for the North Arrow markerNorthArrow.MarkerSymbol = characterMarkerSymbol; }
private void _3DLink2D(double x, double y, double z) { if (b3To2 || b2To3) { b3To2 = false; b2To3 = false; return; } b3To2 = true; DF2DApplication app2D = DF2DApplication.Application; DF3DApplication app3D = DF3DApplication.Application; if (app2D == null || app3D == null || app2D.Current2DMapControl == null || app3D.Current3DMapControl == null) { return; } ICamera camera3D = app3D.Current3DMapControl.Camera; Gvitech.CityMaker.Math.IEulerAngle angle = new Gvitech.CityMaker.Math.EulerAngle(); Gvitech.CityMaker.Math.IVector3 pos = new Gvitech.CityMaker.Math.Vector3(); camera3D.GetCamera(out pos, out angle); ESRI.ArcGIS.Geometry.IEnvelope env = app2D.Current2DMapControl.Extent; double width = env.XMax - env.XMin; double height = env.YMax - env.YMin; double rate = width / height; double xmin, ymin, xmax, ymax; Link2DAnd3D._3DLink2D(x, y, z, Math.Abs(angle.Tilt * Math.PI / 180), camera3D.VerticalFieldOfView * Math.PI / 180, rate, out xmin, out ymin, out xmax, out ymax); ESRI.ArcGIS.Geometry.IEnvelope env1 = new ESRI.ArcGIS.Geometry.EnvelopeClass(); env1.PutCoords(xmin, ymin, xmax, ymax); app2D.Current2DMapControl.Extent = env1; }
// ArcGIS Snippet Title: // Add Legend // // Long Description: // Add a Legend to the Page Layout from the Map. // // Add the following references to the project: // ESRI.ArcGIS.Carto // ESRI.ArcGIS.Geometry // ESRI.ArcGIS.System // // Intended ArcGIS Products for this snippet: // ArcGIS Desktop (ArcEditor, ArcInfo, ArcView) // ArcGIS Engine // ArcGIS Server // // Applicable ArcGIS Product Versions: // 9.2 // 9.3 // 9.3.1 // 10.0 // // Required ArcGIS Extensions: // (NONE) // // Notes: // This snippet is intended to be inserted at the base level of a Class. // It is not intended to be nested within an existing Method. // ///<summary>Add a Legend to the Page Layout from the Map.</summary> /// ///<param name="pageLayout">An IPageLayout interface.</param> ///<param name="map">An IMap interface.</param> ///<param name="posX">A System.Double that is X coordinate value in page units for the start of the Legend. Example: 2.0</param> ///<param name="posY">A System.Double that is Y coordinate value in page units for the start of the Legend. Example: 2.0</param> ///<param name="legW">A System.Double that is length in page units of the Legend in both the X and Y direction. Example: 5.0</param> /// ///<remarks></remarks> public void AddLegend(ESRI.ArcGIS.Carto.IPageLayout pageLayout, ESRI.ArcGIS.Carto.IMap map, System.Double posX, System.Double posY, System.Double legW) { if (pageLayout == null || map == null) { return; } ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer; // Dynamic Cast ESRI.ArcGIS.Carto.IMapFrame mapFrame = graphicsContainer.FindFrame(map) as ESRI.ArcGIS.Carto.IMapFrame; // Dynamic Cast ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass(); uid.Value = "esriCarto.Legend"; ESRI.ArcGIS.Carto.IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame((ESRI.ArcGIS.esriSystem.UID)uid, null); // Explicit Cast //Get aspect ratio ESRI.ArcGIS.Carto.IQuerySize querySize = mapSurroundFrame.MapSurround as ESRI.ArcGIS.Carto.IQuerySize; // Dynamic Cast System.Double w = 0; System.Double h = 0; querySize.QuerySize(ref w, ref h); System.Double aspectRatio = w / h; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(posX, posY, (posX * legW), (posY * legW / aspectRatio)); ESRI.ArcGIS.Carto.IElement element = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement; // Dynamic Cast element.Geometry = envelope; graphicsContainer.AddElement(element, 0); }
///<summary>Add a Legend to the Page Layout from the Map.</summary> /// ///<param name="pageLayout">An IPageLayout interface.</param> ///<param name="map">An IMap interface.</param> ///<param name="posX">A System.Double that is X coordinate value in page units for the start of the Legend. Example: 2.0</param> ///<param name="posY">A System.Double that is Y coordinate value in page units for the start of the Legend. Example: 2.0</param> ///<param name="legW">A System.Double that is length in page units of the Legend in both the X and Y direction. Example: 5.0</param> /// ///<remarks></remarks> public void AddLegend(IPageLayout pageLayout, IMap map, Double posX, Double posY, Double legW) { if (pageLayout == null || map == null) { return; } ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer; // Dynamic Cast ESRI.ArcGIS.Carto.IMapFrame mapFrame = graphicsContainer.FindFrame(map) as ESRI.ArcGIS.Carto.IMapFrame; // Dynamic Cast ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass(); uid.Value = "esriCarto.Legend"; ESRI.ArcGIS.Carto.IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame((ESRI.ArcGIS.esriSystem.UID)uid, null); // Explicit Cast //Get aspect ratio ESRI.ArcGIS.Carto.IQuerySize querySize = mapSurroundFrame.MapSurround as ESRI.ArcGIS.Carto.IQuerySize; // Dynamic Cast System.Double w = 0; System.Double h = 0; querySize.QuerySize(ref w, ref h); System.Double aspectRatio = w / h; // ILegend pLegend = mapSurroundFrame.MapSurround as ILegend; pLegend.Title = "图例"; pLegend.Format.TitlePosition = esriRectanglePosition.esriLeftSide | esriRectanglePosition.esriTopSide; pLegend.Format.TitleSymbol = new TextSymbolClass() { Font = GetFontDisp(24) }; pLegend.get_Item(0).ShowLayerName = true; pLegend.get_Item(0).LayerNameSymbol = new TextSymbolClass() { Font = GetFontDisp(22) }; pLegend.get_Item(0).LegendClassFormat.LabelSymbol = new TextSymbolClass() { Font = GetFontDisp(20) }; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(posX, posY, (posX * legW), (posY * legW / aspectRatio)); ESRI.ArcGIS.Carto.IElement element = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement; // Dynamic Cast element.Geometry = envelope; graphicsContainer.AddElement(element, 0); }
public static string CreateJPEGFromActiveView(IRaster pRaster,IEnvelope pEnv,string outurl, System.String pathFileName) { //创建rasterlayer IRasterLayer pRasterLayer = new RasterLayerClass(); //获取mapServer中所有的图层 IMap pMap = new MapClass(); pRasterLayer.CreateFromRaster(pRaster); pMap.AddLayer(pRasterLayer as ILayer); IActiveView activeView = pMap as IActiveView; activeView.Extent = pEnv; //parameter check if (activeView == null) { return null; } string imageName = System.DateTime.Now.ToString().Replace("/", "").Replace(":", "").Replace(" ", "") + ".png"; pathFileName = System.IO.Path.Combine(pathFileName, imageName); ESRI.ArcGIS.Output.IExport export = new ESRI.ArcGIS.Output.ExportPNGClass(); export.ExportFileName = pathFileName; // Microsoft Windows default DPI resolution ESRI.ArcGIS.esriSystem.tagRECT exportRECT = new ESRI.ArcGIS.esriSystem.tagRECT(); exportRECT.top = 0; exportRECT.left = 0; exportRECT.right = 800; exportRECT.bottom = 600; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(exportRECT.top,exportRECT.left,exportRECT.right,exportRECT.bottom); export.PixelBounds = envelope; System.Int32 hDC = export.StartExporting(); activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null); // Finish writing the export file and cleanup any intermediate files export.FinishExporting(); export.Cleanup(); return outurl + "/" + imageName; }
///<summary>Add a Scale Bar to the Page Layout from the Map.</summary> /// ///<param name="pageLayout">An IPageLayout interface.</param> ///<param name="map">An IMap interface.</param> /// ///<remarks></remarks> public void AddScalebar(IPageLayout pageLayout, IMap map) { if (pageLayout == null || map == null) { return; } ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(7, 1, 25, 1.5); // Specify the location and size of the scalebar ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass(); uid.Value = "esriCarto.AlternatingScaleBar"; // Create a Surround. Set the geometry of the MapSurroundFrame to give it a location // Activate it and add it to the PageLayout's graphics container ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer; // Dynamic Cast ESRI.ArcGIS.Carto.IActiveView activeView = pageLayout as ESRI.ArcGIS.Carto.IActiveView; // Dynamic Cast ESRI.ArcGIS.Carto.IFrameElement frameElement = graphicsContainer.FindFrame(map); ESRI.ArcGIS.Carto.IMapFrame mapFrame = frameElement as ESRI.ArcGIS.Carto.IMapFrame; // Dynamic Cast ESRI.ArcGIS.Carto.IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uid as ESRI.ArcGIS.esriSystem.UID, null); // Dynamic Cast ESRI.ArcGIS.Carto.IElement element = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement; // Dynamic Cast element.Geometry = envelope; element.Activate(activeView.ScreenDisplay); graphicsContainer.AddElement(element, 0); ESRI.ArcGIS.Carto.IMapSurround mapSurround = mapSurroundFrame.MapSurround; ESRI.ArcGIS.Carto.IScaleBar markerScaleBar = ((ESRI.ArcGIS.Carto.IScaleBar)(mapSurround)); markerScaleBar.LabelSymbol = new TextSymbolClass() { Font = GetFontDisp(20) }; markerScaleBar.UnitLabelSymbol = new TextSymbolClass() { Font = GetFontDisp(20) }; markerScaleBar.LabelPosition = ESRI.ArcGIS.Carto.esriVertPosEnum.esriBelow; markerScaleBar.UseMapSettings(); }
public System.Boolean ExportMap(IActiveView activeView, String pathFileName) { //parameter check if (activeView == null || !(pathFileName.EndsWith(".jpg"))) { return(false); } ESRI.ArcGIS.Output.IExport export = new ESRI.ArcGIS.Output.ExportJPEGClass(); export.ExportFileName = pathFileName; // Because we are exporting to a resolution that differs from screen // resolution, we should assign the two values to variables for use // in our sizing calculations System.Int32 screenResolution = 96; System.Int32 outputResolution = 300; export.Resolution = outputResolution; tagRECT exportRECT; // This is a structure exportRECT.left = 0; exportRECT.top = 0; exportRECT.right = activeView.ExportFrame.right * (outputResolution / screenResolution); exportRECT.bottom = activeView.ExportFrame.bottom * (outputResolution / screenResolution); // Set up the PixelBounds envelope to match the exportRECT ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom); export.PixelBounds = envelope; System.Int32 hDC = export.StartExporting(); activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null); // Explicit Cast and 'ref' keyword needed export.FinishExporting(); export.Cleanup(); return(true); }
//输出当前地图至指定的文件 public static void ExportActiveView(IActiveView pView, Size outRect, string outPath) { try { //参数检查 if (pView == null) { throw new Exception("输入参数错误,无法生成图片文件!"); } //根据给定的文件扩展名,来决定生成不同类型的对象 ESRI.ArcGIS.Output.IExport export = null; if (outPath.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase)) { export = new ESRI.ArcGIS.Output.ExportJPEGClass(); } else if (outPath.EndsWith(".tiff", StringComparison.OrdinalIgnoreCase)) { export = new ESRI.ArcGIS.Output.ExportTIFFClass(); } else if (outPath.EndsWith(".bmp", StringComparison.OrdinalIgnoreCase)) { export = new ESRI.ArcGIS.Output.ExportBMPClass(); } else if (outPath.EndsWith(".emf", StringComparison.OrdinalIgnoreCase)) { export = new ESRI.ArcGIS.Output.ExportEMFClass(); } else if (outPath.EndsWith(".png", StringComparison.OrdinalIgnoreCase)) { export = new ESRI.ArcGIS.Output.ExportPNGClass(); } else if (outPath.EndsWith(".gif", StringComparison.OrdinalIgnoreCase)) { export = new ESRI.ArcGIS.Output.ExportGIFClass(); } SetOutputQuality(pView, 1); export.ExportFileName = outPath; IEnvelope pEnvelope = pView.Extent; //导出参数 export.Resolution = 300; tagRECT exportRect = new tagRECT(); exportRect.left = exportRect.top = 0; exportRect.right = outRect.Width; exportRect.bottom = (int)(exportRect.right * pEnvelope.Height / pEnvelope.Width); ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); //输出范围 envelope.PutCoords(exportRect.left, exportRect.top, exportRect.right, exportRect.bottom); export.PixelBounds = envelope; //可用于取消操作 ITrackCancel pCancel = new CancelTrackerClass(); export.TrackCancel = pCancel; pCancel.Reset(); //点击ESC键时,中止转出 pCancel.CancelOnKeyPress = true; pCancel.CancelOnClick = false; pCancel.ProcessMessages = true; //获取handle System.Int32 hDC = export.StartExporting(); //开始转出 pView.Output(hDC, (System.Int32)export.Resolution, ref exportRect, pEnvelope, pCancel); bool bContinue = pCancel.Continue(); //捕获是否继续 if (bContinue) { export.FinishExporting(); export.Cleanup(); } else { export.Cleanup(); } bContinue = pCancel.Continue(); } catch (Exception e) { //错误信息提示 } }
public static void AddScalebar(AxPageLayoutControl axpagelayoutcontrol, ESRI.ArcGIS.Carto.IMap map) { IPageLayout pageLayout; pageLayout = axpagelayoutcontrol.PageLayout; if (pageLayout == null || map == null) { return; } ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(8, 3, 15, 3.8); // Specify the location and size of the scalebar ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass(); uid.Value = "esriCarto.AlternatingScaleBar"; // Create a Surround. Set the geometry of the MapSurroundFrame to give it a location // Activate it and add it to the PageLayout's graphics container ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer; // Dynamic Cast ESRI.ArcGIS.Carto.IActiveView activeView = pageLayout as ESRI.ArcGIS.Carto.IActiveView; // Dynamic Cast ESRI.ArcGIS.Carto.IFrameElement frameElement = graphicsContainer.FindFrame(map); ESRI.ArcGIS.Carto.IMapFrame mapFrame = frameElement as ESRI.ArcGIS.Carto.IMapFrame; // Dynamic Cast ESRI.ArcGIS.Carto.IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uid as ESRI.ArcGIS.esriSystem.UID, null); // Dynamic Cast ESRI.ArcGIS.Carto.IElement element = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement; // Dynamic Cast element.Geometry = envelope; element.Activate(activeView.ScreenDisplay); graphicsContainer.AddElement(element, 0); ESRI.ArcGIS.Carto.IMapSurround mapSurround = mapSurroundFrame.MapSurround; ESRI.ArcGIS.Carto.IScaleBar markerScaleBar = ((ESRI.ArcGIS.Carto.IScaleBar)(mapSurround)); ITextSymbol scalbarsm = markerScaleBar.LabelSymbol; markerScaleBar.Units = esriUnits.esriKilometers; markerScaleBar.Name = "比例尺"; markerScaleBar.Map = axpagelayoutcontrol.ActiveView.FocusMap; markerScaleBar.LabelPosition = ESRI.ArcGIS.Carto.esriVertPosEnum.esriTop; //markerScaleBar.UseMapSettings(); }
///<summary>Add a Legend to the Page Layout from the Map.</summary> /// ///<param name="pageLayout">An IPageLayout interface.</param> ///<param name="map">An IMap interface.</param> ///<param name="posX">A System.Double that is X coordinate value in page units for the start of the Legend. Example: 2.0</param> ///<param name="posY">A System.Double that is Y coordinate value in page units for the start of the Legend. Example: 2.0</param> ///<param name="legW">A System.Double that is length in page units of the Legend in both the X and Y direction. Example: 5.0</param> /// ///<remarks></remarks> public static void Addlegend(AxPageLayoutControl axpageLayoutControl, ESRI.ArcGIS.Carto.IMap map, System.Double posX, System.Double posY, System.Double legW) { IPageLayout pageLayout; pageLayout = axpageLayoutControl.PageLayout; if (pageLayout == null || map == null) { return; } ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer; // Dynamic Cast ESRI.ArcGIS.Carto.IMapFrame mapFrame = graphicsContainer.FindFrame(map) as ESRI.ArcGIS.Carto.IMapFrame; // Dynamic Cast ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass(); uid.Value = "esriCarto.Legend"; ESRI.ArcGIS.Carto.IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame((ESRI.ArcGIS.esriSystem.UID)uid, null); // Explicit Cast //Get aspect ratio ESRI.ArcGIS.Carto.IQuerySize querySize = mapSurroundFrame.MapSurround as ESRI.ArcGIS.Carto.IQuerySize; // Dynamic Cast System.Double w = 0; System.Double h = 0; querySize.QuerySize(ref w, ref h); System.Double aspectRatio = w / h; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(posX, posY, (posX * legW), (posY * legW / aspectRatio)); ESRI.ArcGIS.Carto.IElement element = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement; // Dynamic Cast element.Geometry = envelope; graphicsContainer.AddElement(element, 0); }
protected override void OnClick() { // Get the min/max zoom from user input int minzoom = 0; int maxzoom = 6; Ecotrust.Form1 form1 = new Ecotrust.Form1(); if (form1.ShowDialog() == System.Windows.Forms.DialogResult.OK) { minzoom = (int)form1.numericUpDown1.Value; maxzoom = (int)form1.numericUpDown2.Value; } else { return; //TODO } // Use the FolderBrowserDialog Class to choose export folder System.Windows.Forms.FolderBrowserDialog folderDialog = new System.Windows.Forms.FolderBrowserDialog(); folderDialog.Description = "Select output folder for map tiles..."; string exportDir = ""; if (folderDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK) { // The returned string will be the full path, filename and file-extension for the chosen shapefile. Example: "C:\test\cities.shp" exportDir = folderDialog.SelectedPath; if (exportDir == "") return; // TODO raise error } else { return; //TODO } ESRI.ArcGIS.ArcMapUI.IMxDocument mxDocument = ArcMap.Application.Document as ESRI.ArcGIS.ArcMapUI.IMxDocument; // Dynamic Cast ESRI.ArcGIS.Carto.IActiveView activeView = mxDocument.ActiveView; ESRI.ArcGIS.Carto.IMap map = activeView.FocusMap; ESRI.ArcGIS.Geometry.IEnvelope mapaoi = activeView.Extent; // Set up export object and tile pixel coordinates int tileSizeX = 256; int tileSizeY = 256; // set up exporter with transparent background ESRI.ArcGIS.Output.IExportPNG pngexport = new ESRI.ArcGIS.Output.ExportPNGClass(); ESRI.ArcGIS.Display.IColor tcolor = new ESRI.ArcGIS.Display.RgbColorClass(); // Warning: 254,254,254 will be set to transparent; don't use in any of map styling ((IRgbColor)tcolor).Red = 254; ((IRgbColor)tcolor).Green = 254; ((IRgbColor)tcolor).Blue = 254; ((ExportPNG)pngexport).BackgroundColor = tcolor; pngexport.TransparentColor = tcolor; ESRI.ArcGIS.Output.IExport export = (ESRI.ArcGIS.Output.IExport)pngexport; ESRI.ArcGIS.esriSystem.tagRECT exportRECT; exportRECT.left = 0; exportRECT.top = 0; exportRECT.right = tileSizeX; exportRECT.bottom = tileSizeY; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom); export.PixelBounds = envelope; map.DelayDrawing(true); // Turn off all layers for (int i = 0; i < map.LayerCount; i++) map.get_Layer(i).Visible = false; // Calculate total number of tiles needed GlobalMercator mercator = new GlobalMercator(); GlobalMercator.Coords tempmins; GlobalMercator.Coords tempmaxs; Double numTiles = 0; for (int tz = minzoom; tz <= maxzoom; tz++) { tempmins = mercator.MetersToTile(mapaoi.XMin, mapaoi.YMin, tz); tempmaxs = mercator.MetersToTile(mapaoi.XMax, mapaoi.YMax, tz); numTiles += ((tempmaxs.y - tempmins.y)+1) * ((tempmaxs.x - tempmins.x)+1); } numTiles *= map.LayerCount; ESRI.ArcGIS.esriSystem.IStatusBar statusBar = ArcMap.Application.StatusBar; statusBar.set_Message(0, "Rendering " + numTiles.ToString() + " tiles"); // Create a CancelTracker ESRI.ArcGIS.esriSystem.ITrackCancel trackCancel = new ESRI.ArcGIS.Display.CancelTrackerClass(); ESRI.ArcGIS.Framework.IProgressDialogFactory progressDialogFactory = new ESRI.ArcGIS.Framework.ProgressDialogFactoryClass(); // Set the properties of the Step Progressor System.Int32 int32_hWnd = ArcMap.Application.hWnd; ESRI.ArcGIS.esriSystem.IStepProgressor stepProgressor = progressDialogFactory.Create(trackCancel, int32_hWnd); stepProgressor.MinRange = 0; stepProgressor.MaxRange = (int)numTiles; stepProgressor.StepValue = 1; stepProgressor.Message = "Calculating " + numTiles.ToString() + " tiles"; // Create the ProgressDialog. This automatically displays the dialog ESRI.ArcGIS.Framework.IProgressDialog2 progressDialog2 = (ESRI.ArcGIS.Framework.IProgressDialog2)stepProgressor; // Explict Cast // Set the properties of the ProgressDialog progressDialog2.CancelEnabled = true; progressDialog2.Description = "Rendering " + numTiles.ToString() + " map tiles"; progressDialog2.Title = "Creating map tiles..."; progressDialog2.Animation = ESRI.ArcGIS.Framework.esriProgressAnimationTypes.esriDownloadFile; System.Boolean boolean_Continue = true; int tileCount = 0; for (int lyrnum = 0; lyrnum < map.LayerCount; lyrnum++) { // Turn on the layer of interest ESRI.ArcGIS.Carto.ILayer layer = map.get_Layer(lyrnum); layer.Visible = true; // Set extents //ESRI.ArcGIS.Geometry.IEnvelope layeraoi = layer.AreaOfInterest; ESRI.ArcGIS.Geometry.IEnvelope aoi = new ESRI.ArcGIS.Geometry.EnvelopeClass(); // Create layer directory if it doesn't exist DirectoryInfo dir = new DirectoryInfo(exportDir + "\\" + layer.Name); if (!dir.Exists) dir.Create(); DateTime startTime = DateTime.Now; // Loop through zoom levels, rows, cols for (int tz = minzoom; tz <= maxzoom; tz++) { GlobalMercator.Coords mins = mercator.MetersToTile(mapaoi.XMin, mapaoi.YMin, tz); GlobalMercator.Coords maxs = mercator.MetersToTile(mapaoi.XMax, mapaoi.YMax, tz); // Create zoom directory if it doesn't exist DirectoryInfo dir2 = new DirectoryInfo(dir.FullName + "\\" + tz); if (!dir2.Exists) dir2.Create(); for (int tx = (int)mins.x; tx <= (int)maxs.x; tx++) { // Create X directory if it doesn't exist DirectoryInfo dir3 = new DirectoryInfo(dir2.FullName + "\\" + tx); if (!dir3.Exists) dir3.Create(); for (int ty = (int)mins.y; ty <= (int)maxs.y; ty++) { // Flip y-axis for output tile name int invertTy = (int) ((Math.Pow(2, tz) - 1) - ty); tileCount += 1; // TODO Calculate time and set new message // TimeSpan timeElapsed = TimeSpan.FromTicks(DateTime.Now.Subtract(startTime).Ticks); // * ((double)tileCount - (numTiles + 1)) / (numTiles + 1)); // double timeRemaining = (timeElapsed.TotalSeconds / (tileCount / numTiles)) - timeElapsed.TotalSeconds; //(" + ((int)timeRemaining).ToString() +" remaining)"; stepProgressor.Message = layer.Name + "\\" + tz + "\\" + tx + "\\" + invertTy + ".png (" + tileCount + " of " + numTiles + ")"; export.ExportFileName = dir3.FullName + "\\" + invertTy + ".png"; GlobalMercator.Bounds bnd = mercator.TileBounds(tx, ty, tz); aoi.PutCoords(bnd.minx, bnd.miny, bnd.maxx, bnd.maxy); aoi.SpatialReference = map.SpatialReference; // TODO aoi spatial reference == mercator? // Use FullExtent instead of Extent to make the extent independent of the activeView ratio activeView.FullExtent = aoi; // Export System.Int32 hDC = export.StartExporting(); activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null); // Explicit Cast and 'ref' keyword needed export.FinishExporting(); export.Cleanup(); stepProgressor.Position = tileCount; //Check if the cancel button was pressed. If so, break out of row boolean_Continue = trackCancel.Continue(); if (!boolean_Continue) break; } //Check if the cancel button was pressed. If so, break out of col boolean_Continue = trackCancel.Continue(); if (!boolean_Continue) break; } //Check if the cancel button was pressed. If so, break out of layers boolean_Continue = trackCancel.Continue(); if (!boolean_Continue) break; // Write log using (System.IO.StreamWriter file = new System.IO.StreamWriter( exportDir + "\\log.txt", true)) { file.WriteLine(layer.Name + ", zoom " + tz + ", numtiles " + tileCount + ":" + mins.x + " " + mins.y + " " + maxs.x + " " + maxs.y); } } // Turn it off layer.Visible = false; } map.DelayDrawing(false); // Turn ON all layers for (int i = 0; i < map.LayerCount; i++) map.get_Layer(i).Visible = true; // restore extent activeView.FullExtent = mapaoi; activeView.Refresh(); // Done trackCancel = null; stepProgressor = null; progressDialog2.HideDialog(); progressDialog2 = null; }
private void ExportPDF(IActiveView activeView, string pathFileName) { IExport export = new ExportPDFClass(); export.ExportFileName = pathFileName; // Microsoft Windows default DPI resolution export.Resolution = 96; tagRECT exportRECT = activeView.ExportFrame; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom); export.PixelBounds = envelope; System.Int32 hDC = export.StartExporting(); activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null); // Finish writing the export file and cleanup any intermediate files export.FinishExporting(); export.Cleanup(); }
private void ExportPNG(IActiveView activeView, string pathFileName,IColor bg,string depth) { IExport export = new ExportPNGClass(); export.ExportFileName = pathFileName; IExportPNG png = export as IExportPNG; png.TransparentColor = bg; IExportImage img = export as IExportImage; if(depth=="8bit") { img.ImageType = esriExportImageType.esriExportImageTypeIndexed; } else if(depth=="32bit") { img.ImageType = esriExportImageType.esriExportImageTypeTrueColor; } // Microsoft Windows default DPI resolution export.Resolution = 96; tagRECT exportRECT = activeView.ExportFrame; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom); export.PixelBounds = envelope; System.Int32 hDC = export.StartExporting(); activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null); // Finish writing the export file and cleanup any intermediate files export.FinishExporting(); export.Cleanup(); }
protected override void OnClick() { // Get the min/max zoom from user input int minzoom = 0; int maxzoom = 6; Ecotrust.Form1 form1 = new Ecotrust.Form1(); if (form1.ShowDialog() == System.Windows.Forms.DialogResult.OK) { minzoom = (int)form1.numericUpDown1.Value; maxzoom = (int)form1.numericUpDown2.Value; } else { return; //TODO } // Use the FolderBrowserDialog Class to choose export folder System.Windows.Forms.FolderBrowserDialog folderDialog = new System.Windows.Forms.FolderBrowserDialog(); folderDialog.Description = "Select output folder for map tiles..."; string exportDir = ""; if (folderDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK) { // The returned string will be the full path, filename and file-extension for the chosen shapefile. Example: "C:\test\cities.shp" exportDir = folderDialog.SelectedPath; if (exportDir == "") { return; // TODO raise error } } else { return; //TODO } ESRI.ArcGIS.ArcMapUI.IMxDocument mxDocument = ArcMap.Application.Document as ESRI.ArcGIS.ArcMapUI.IMxDocument; // Dynamic Cast ESRI.ArcGIS.Carto.IActiveView activeView = mxDocument.ActiveView; ESRI.ArcGIS.Carto.IMap map = activeView.FocusMap; ESRI.ArcGIS.Geometry.IEnvelope mapaoi = activeView.Extent; // Set up export object and tile pixel coordinates int tileSizeX = 256; int tileSizeY = 256; // set up exporter with transparent background ESRI.ArcGIS.Output.IExportPNG pngexport = new ESRI.ArcGIS.Output.ExportPNGClass(); ESRI.ArcGIS.Display.IColor tcolor = new ESRI.ArcGIS.Display.RgbColorClass(); // Warning: 254,254,254 will be set to transparent; don't use in any of map styling ((IRgbColor)tcolor).Red = 254; ((IRgbColor)tcolor).Green = 254; ((IRgbColor)tcolor).Blue = 254; ((ExportPNG)pngexport).BackgroundColor = tcolor; pngexport.TransparentColor = tcolor; ESRI.ArcGIS.Output.IExport export = (ESRI.ArcGIS.Output.IExport)pngexport; ESRI.ArcGIS.esriSystem.tagRECT exportRECT; exportRECT.left = 0; exportRECT.top = 0; exportRECT.right = tileSizeX; exportRECT.bottom = tileSizeY; ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom); export.PixelBounds = envelope; map.DelayDrawing(true); // Turn off all layers for (int i = 0; i < map.LayerCount; i++) { map.get_Layer(i).Visible = false; } // Calculate total number of tiles needed GlobalMercator mercator = new GlobalMercator(); GlobalMercator.Coords tempmins; GlobalMercator.Coords tempmaxs; Double numTiles = 0; for (int tz = minzoom; tz <= maxzoom; tz++) { tempmins = mercator.MetersToTile(mapaoi.XMin, mapaoi.YMin, tz); tempmaxs = mercator.MetersToTile(mapaoi.XMax, mapaoi.YMax, tz); numTiles += ((tempmaxs.y - tempmins.y) + 1) * ((tempmaxs.x - tempmins.x) + 1); } numTiles *= map.LayerCount; ESRI.ArcGIS.esriSystem.IStatusBar statusBar = ArcMap.Application.StatusBar; statusBar.set_Message(0, "Rendering " + numTiles.ToString() + " tiles"); // Create a CancelTracker ESRI.ArcGIS.esriSystem.ITrackCancel trackCancel = new ESRI.ArcGIS.Display.CancelTrackerClass(); ESRI.ArcGIS.Framework.IProgressDialogFactory progressDialogFactory = new ESRI.ArcGIS.Framework.ProgressDialogFactoryClass(); // Set the properties of the Step Progressor System.Int32 int32_hWnd = ArcMap.Application.hWnd; ESRI.ArcGIS.esriSystem.IStepProgressor stepProgressor = progressDialogFactory.Create(trackCancel, int32_hWnd); stepProgressor.MinRange = 0; stepProgressor.MaxRange = (int)numTiles; stepProgressor.StepValue = 1; stepProgressor.Message = "Calculating " + numTiles.ToString() + " tiles"; // Create the ProgressDialog. This automatically displays the dialog ESRI.ArcGIS.Framework.IProgressDialog2 progressDialog2 = (ESRI.ArcGIS.Framework.IProgressDialog2)stepProgressor; // Explict Cast // Set the properties of the ProgressDialog progressDialog2.CancelEnabled = true; progressDialog2.Description = "Rendering " + numTiles.ToString() + " map tiles"; progressDialog2.Title = "Creating map tiles..."; progressDialog2.Animation = ESRI.ArcGIS.Framework.esriProgressAnimationTypes.esriDownloadFile; System.Boolean boolean_Continue = true; int tileCount = 0; for (int lyrnum = 0; lyrnum < map.LayerCount; lyrnum++) { // Turn on the layer of interest ESRI.ArcGIS.Carto.ILayer layer = map.get_Layer(lyrnum); layer.Visible = true; // Set extents //ESRI.ArcGIS.Geometry.IEnvelope layeraoi = layer.AreaOfInterest; ESRI.ArcGIS.Geometry.IEnvelope aoi = new ESRI.ArcGIS.Geometry.EnvelopeClass(); // Create layer directory if it doesn't exist DirectoryInfo dir = new DirectoryInfo(exportDir + "\\" + layer.Name); if (!dir.Exists) { dir.Create(); } DateTime startTime = DateTime.Now; // Loop through zoom levels, rows, cols for (int tz = minzoom; tz <= maxzoom; tz++) { GlobalMercator.Coords mins = mercator.MetersToTile(mapaoi.XMin, mapaoi.YMin, tz); GlobalMercator.Coords maxs = mercator.MetersToTile(mapaoi.XMax, mapaoi.YMax, tz); // Create zoom directory if it doesn't exist DirectoryInfo dir2 = new DirectoryInfo(dir.FullName + "\\" + tz); if (!dir2.Exists) { dir2.Create(); } for (int tx = (int)mins.x; tx <= (int)maxs.x; tx++) { // Create X directory if it doesn't exist DirectoryInfo dir3 = new DirectoryInfo(dir2.FullName + "\\" + tx); if (!dir3.Exists) { dir3.Create(); } for (int ty = (int)mins.y; ty <= (int)maxs.y; ty++) { // Flip y-axis for output tile name int invertTy = (int)((Math.Pow(2, tz) - 1) - ty); tileCount += 1; // TODO Calculate time and set new message // TimeSpan timeElapsed = TimeSpan.FromTicks(DateTime.Now.Subtract(startTime).Ticks); // * ((double)tileCount - (numTiles + 1)) / (numTiles + 1)); // double timeRemaining = (timeElapsed.TotalSeconds / (tileCount / numTiles)) - timeElapsed.TotalSeconds; //(" + ((int)timeRemaining).ToString() +" remaining)"; stepProgressor.Message = layer.Name + "\\" + tz + "\\" + tx + "\\" + invertTy + ".png (" + tileCount + " of " + numTiles + ")"; export.ExportFileName = dir3.FullName + "\\" + invertTy + ".png"; GlobalMercator.Bounds bnd = mercator.TileBounds(tx, ty, tz); aoi.PutCoords(bnd.minx, bnd.miny, bnd.maxx, bnd.maxy); aoi.SpatialReference = map.SpatialReference; // TODO aoi spatial reference == mercator? // Use FullExtent instead of Extent to make the extent independent of the activeView ratio activeView.FullExtent = aoi; // Export System.Int32 hDC = export.StartExporting(); activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null); // Explicit Cast and 'ref' keyword needed export.FinishExporting(); export.Cleanup(); stepProgressor.Position = tileCount; //Check if the cancel button was pressed. If so, break out of row boolean_Continue = trackCancel.Continue(); if (!boolean_Continue) { break; } } //Check if the cancel button was pressed. If so, break out of col boolean_Continue = trackCancel.Continue(); if (!boolean_Continue) { break; } } //Check if the cancel button was pressed. If so, break out of layers boolean_Continue = trackCancel.Continue(); if (!boolean_Continue) { break; } // Write log using (System.IO.StreamWriter file = new System.IO.StreamWriter(exportDir + "\\log.txt", true)) { file.WriteLine(layer.Name + ", zoom " + tz + ", numtiles " + tileCount + ":" + mins.x + " " + mins.y + " " + maxs.x + " " + maxs.y); } } // Turn it off layer.Visible = false; } map.DelayDrawing(false); // Turn ON all layers for (int i = 0; i < map.LayerCount; i++) { map.get_Layer(i).Visible = true; } // restore extent activeView.FullExtent = mapaoi; activeView.Refresh(); // Done trackCancel = null; stepProgressor = null; progressDialog2.HideDialog(); progressDialog2 = null; }
public static void AddNorthArrow(AxPageLayoutControl axpagelayoutcontrol, ESRI.ArcGIS.Carto.IMap map) { IPageLayout pageLayout; pageLayout = axpagelayoutcontrol.PageLayout; if (pageLayout == null || map == null) { return; } ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); envelope.PutCoords(16, 24, 21, 29); // Specify the location and size of the north arrow ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass(); uid.Value = "esriCarto.MarkerNorthArrow"; // Create a Surround. Set the geometry of the MapSurroundFrame to give it a location // Activate it and add it to the PageLayout's graphics container ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer; // Dynamic Cast ESRI.ArcGIS.Carto.IActiveView activeView = pageLayout as ESRI.ArcGIS.Carto.IActiveView; // Dynamic Cast ESRI.ArcGIS.Carto.IFrameElement frameElement = graphicsContainer.FindFrame(map); ESRI.ArcGIS.Carto.IMapFrame mapFrame = frameElement as ESRI.ArcGIS.Carto.IMapFrame; // Dynamic Cast ESRI.ArcGIS.Carto.IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uid as ESRI.ArcGIS.esriSystem.UID, null); // Dynamic Cast ESRI.ArcGIS.Carto.IElement element = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement; // Dynamic Cast element.Geometry = envelope; element.Activate(activeView.ScreenDisplay); graphicsContainer.AddElement(element, 0); ESRI.ArcGIS.Carto.IMapSurround mapSurround = mapSurroundFrame.MapSurround; // Change out the default north arrow ESRI.ArcGIS.Carto.IMarkerNorthArrow markerNorthArrow = mapSurround as ESRI.ArcGIS.Carto.IMarkerNorthArrow; // Dynamic Cast ESRI.ArcGIS.Display.IMarkerSymbol markerSymbol = markerNorthArrow.MarkerSymbol; ESRI.ArcGIS.Display.ICharacterMarkerSymbol characterMarkerSymbol = markerSymbol as ESRI.ArcGIS.Display.ICharacterMarkerSymbol; // Dynamic Cast characterMarkerSymbol.CharacterIndex = 202; // change the symbol for the North Arrow markerNorthArrow.MarkerSymbol = characterMarkerSymbol; }
/// <summary> /// 将符号转化为图片 /// </summary> /// <param name="pSymbol">符号</param> /// <param name="width">图片宽度</param> /// <param name="height">图片高度</param> /// <returns>图片</returns> public static Image Symbol2Picture(ISymbol pSymbol, int width, int height) { if (pSymbol == null || width < 1 || height < 1) { return(null); } //根据高宽创建图象 Bitmap bmp = new Bitmap(width, height); Graphics gImage = Graphics.FromImage(bmp); gImage.Clear(Color.White); double dpi = gImage.DpiX; ESRI.ArcGIS.Geometry.IEnvelope pEnvelope = new ESRI.ArcGIS.Geometry.EnvelopeClass(); pEnvelope.PutCoords(0, 0, (double)bmp.Width, (double)bmp.Height); tagRECT deviceRect; deviceRect.left = 0; deviceRect.right = bmp.Width; deviceRect.top = 0; deviceRect.bottom = bmp.Height; IDisplayTransformation pDisplayTransformation = new DisplayTransformationClass(); pDisplayTransformation.VisibleBounds = pEnvelope; pDisplayTransformation.Bounds = pEnvelope; pDisplayTransformation.set_DeviceFrame(ref deviceRect); pDisplayTransformation.Resolution = dpi; System.IntPtr hdc = new IntPtr(); hdc = gImage.GetHdc(); ESRI.ArcGIS.Geometry.IGeometry pGeo = CreateSymShape(pSymbol, pEnvelope); //将符号的形状绘制到图象中 pSymbol.SetupDC((int)hdc, pDisplayTransformation); pSymbol.Draw(pGeo); pSymbol.ResetDC(); gImage.ReleaseHdc(hdc); gImage.Dispose(); return(bmp); ////IStyleGalleryClass pStyleClass = null; ////if (pSymbol is IMarkerSymbol) //// pStyleClass = new ESRI.ArcGIS.Carto.MarkerSymbolStyleGalleryClassClass(); ////else if (pSymbol is ILineSymbol) //// pStyleClass = new ESRI.ArcGIS.Carto.LineSymbolStyleGalleryClassClass(); ////else if (pSymbol is IFillSymbol) //// pStyleClass = new ESRI.ArcGIS.Carto.FillSymbolStyleGalleryClassClass(); ////else //// return null; //IStyleGalleryItem pStyleItem = new ServerStyleGalleryItemClass(); //pStyleItem.Name = "tempSymbol"; //pStyleItem.Item = pSymbol; //Bitmap bitmap = new Bitmap(width, height); //System.Drawing.Graphics pGraphics = System.Drawing.Graphics.FromImage(bitmap); //tagRECT rect = new tagRECT(); //rect.right = bitmap.Width; //rect.bottom = bitmap.Height; ////生成预览 //IntPtr hdc = new IntPtr(); //hdc = pGraphics.GetHdc(); //pStyleClass.Preview(pStyleItem, hdc.ToInt32(), ref rect); //pGraphics.ReleaseHdc(hdc); //pGraphics.Dispose(); //return bitmap; }