// 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;
}