ArcEngine导出地图

1、前言

在利用ArcEngine导出地图的时候，一般有两种情况：全图导出和区域导出，下面分别介绍两种导出地图的方法。首先搭建如下图所示的界面：

2、全图导出

2.1、利用IPrintAndExport接口

using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Output;
using System;
using System.Text;
using System.Windows.Forms;namespace Win
{public partial class MainForm : Form{public MainForm(){InitializeComponent();axMapControl1.LoadMxFile(@"C:\Users\DSF\Desktop\data\Untitled.mxd");}/// <summary>/// 导出按钮/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnExport_Click(object sender, EventArgs e){StringBuilder filter = new StringBuilder();filter.Append("PDF(*.pdf)|*.pdf|");filter.Append("SVG(*.svg)|*.svg|");filter.Append("AI(*.ai)|*.ai|");filter.Append("EMF(*.emf)|*.emf|");filter.Append("EPS(*.eps)|*.eps|");filter.Append("BMP(*.bmp)|*.bmp|");filter.Append("PNG(*.png)|*.png|");filter.Append("JPEG(*.jpeg)|*.jpeg|");filter.Append("TIFF(*.tif)|*.tif|");filter.Append("GIF(*.gif)|*.gif");// 保存文件SaveFileDialog saveFileDialog = new SaveFileDialog();saveFileDialog.Title = "导出";saveFileDialog.Filter = filter.ToString();saveFileDialog.RestoreDirectory = true;if (saveFileDialog.ShowDialog() == DialogResult.OK){ExportMap(saveFileDialog.FileName, 300, 1);}}/// <summary>/// 导出地图方法/// </summary>/// <param name="filePath">导出路径</param>/// <param name="resolution">导出分辨率</param>/// <param name="resample">重采样登记</param>private void ExportMap(string filePath, double resolution, int resample){IExport pExport = null;switch (System.IO.Path.GetExtension(filePath)){case ".pdf":pExport = new ExportPDF() as IExport;break;case ".svg":pExport = new ExportSVG() as IExport;break;case ".ai":pExport = new ExportAI() as IExport;break;case ".emf":pExport = new ExportEMF() as IExport;break;case ".eps":pExport = new ExportPS() as IExport;break;case ".bmp":pExport = new ExportBMP() as IExport;break;case ".png":pExport = new ExportPNG() as IExport;break;case ".jpeg":pExport = new ExportJPEG() as IExport;break;case ".tif":pExport = new ExportTIFF() as IExport;break;case ".gif":pExport = new ExportGIF() as IExport;break;default:pExport = new ExportPDF() as IExport;break;}// 设置导出路径pExport.ExportFileName = filePath;// 若导出图片，则设置重采样等级if (pExport is IOutputRasterSettings){IOutputRasterSettings pOutputRasterSettings = pExport as IOutputRasterSettings;pOutputRasterSettings.ResampleRatio = resample;}// 若导出TIFF，则设置坐标信息if (pExport is IExportTIFF){IExportTIFF pExportTIFF = pExport as IExportTIFF;pExportTIFF.GeoTiff = true;pExportTIFF.CompressionType = esriTIFFCompression.esriTIFFCompressionJPEG;}// 若导出PDF，则设置PDF格式if (pExport is IExportPDF){IExportPDF pExportPDF = pExport as IExportPDF;pExportPDF.Compressed = true;pExportPDF.EmbedFonts = true;pExportPDF.ImageCompression = esriExportImageCompression.esriExportImageCompressionNone;}// 导出地图IPrintAndExport pPrintAndExport = new PrintAndExport();pPrintAndExport.Export(axMapControl1.ActiveView, pExport, resolution, false, null);}}
}

2.2、利用IActiveView接口

using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Output;
using System;
using System.Text;
using System.Windows.Forms;namespace Win
{public partial class MainForm : Form{public MainForm(){InitializeComponent();axMapControl1.LoadMxFile(@"C:\Users\DSF\Desktop\data\Untitled.mxd");}/// <summary>/// 导出按钮/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnExport_Click(object sender, EventArgs e){StringBuilder filter = new StringBuilder();filter.Append("PDF(*.pdf)|*.pdf|");filter.Append("SVG(*.svg)|*.svg|");filter.Append("AI(*.ai)|*.ai|");filter.Append("EMF(*.emf)|*.emf|");filter.Append("EPS(*.eps)|*.eps|");filter.Append("BMP(*.bmp)|*.bmp|");filter.Append("PNG(*.png)|*.png|");filter.Append("JPEG(*.jpeg)|*.jpeg|");filter.Append("TIFF(*.tif)|*.tif|");filter.Append("GIF(*.gif)|*.gif");// 保存文件SaveFileDialog saveFileDialog = new SaveFileDialog();saveFileDialog.Title = "导出";saveFileDialog.Filter = filter.ToString();saveFileDialog.RestoreDirectory = true;if (saveFileDialog.ShowDialog() == DialogResult.OK){ExportMap(saveFileDialog.FileName, 300, 1);}}/// <summary>/// 导出地图方法/// </summary>/// <param name="filePath">导出路径</param>/// <param name="resolution">导出分辨率</param>/// <param name="resample">重采样登记</param>private void ExportMap(string filePath, double resolution, int resample){IExport pExport = null;switch (System.IO.Path.GetExtension(filePath)){case ".pdf":pExport = new ExportPDF() as IExport;break;case ".svg":pExport = new ExportSVG() as IExport;break;case ".ai":pExport = new ExportAI() as IExport;break;case ".emf":pExport = new ExportEMF() as IExport;break;case ".eps":pExport = new ExportPS() as IExport;break;case ".bmp":pExport = new ExportBMP() as IExport;break;case ".png":pExport = new ExportPNG() as IExport;break;case ".jpeg":pExport = new ExportJPEG() as IExport;break;case ".tif":pExport = new ExportTIFF() as IExport;break;case ".gif":pExport = new ExportGIF() as IExport;break;default:pExport = new ExportPDF() as IExport;break;}// 若导出图片，则设置重采样等级if (pExport is IOutputRasterSettings){IOutputRasterSettings pOutputRasterSettings = pExport as IOutputRasterSettings;pOutputRasterSettings.ResampleRatio = resample;}// 若导出TIFF，则设置坐标信息if (pExport is IExportTIFF){IExportTIFF pExportTIFF = pExport as IExportTIFF;pExportTIFF.GeoTiff = true;pExportTIFF.CompressionType = esriTIFFCompression.esriTIFFCompressionJPEG;IWorldFileSettings pWorldFileSettings = pExport as IWorldFileSettings;pWorldFileSettings.MapExtent = axMapControl1.Extent;}// 若导出PDF，则设置PDF格式if (pExport is IExportPDF){IExportPDF pExportPDF = pExport as IExportPDF;pExportPDF.Compressed = true;pExportPDF.EmbedFonts = true;pExportPDF.ImageCompression = esriExportImageCompression.esriExportImageCompressionNone;}// 获取分辨率IActiveView pActiveView = axMapControl1.ActiveView;int screenResolution = (int)axMapControl1.ActiveView.ScreenDisplay.DisplayTransformation.Resolution;int outputResolution = (int)resolution;// 计算导出范围tagRECT rect = new tagRECT();rect.left = 0;rect.top = 0;rect.right = (int)(1.0 * pActiveView.ExportFrame.right * outputResolution / screenResolution);rect.bottom = (int)(1.0 * pActiveView.ExportFrame.bottom * outputResolution / screenResolution);// 设置导出范围IEnvelope pEnvelope = new Envelope() as IEnvelope;pEnvelope.PutCoords(rect.left, rect.bottom, rect.right, rect.top);// 导出参数pExport.Resolution = outputResolution;pExport.ExportFileName = filePath;pExport.PixelBounds = pEnvelope;// 导出pActiveView.Output(pExport.StartExporting(), outputResolution, ref rect, pActiveView.Extent, null);pExport.FinishExporting();pExport.Cleanup();}}
}

运行结果如下图所示：

3、区域导出

using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Output;
using System.Text;
using System.Windows.Forms;namespace Win
{public partial class MainForm : Form{public MainForm(){InitializeComponent();axMapControl1.LoadMxFile(@"C:\Users\DSF\Desktop\data\Untitled.mxd");}/// <summary>/// 区域导出/// </summary>/// <param name="pTrackEnvelope">绘制的矩形</param>/// <param name="filePath">导出路径</param>/// <param name="resolution">导出分辨率</param>/// <param name="resample">重采样等级</param>private void ExportMap(IEnvelope pTrackEnvelope, string filePath, double resolution, int resample){IExport pExport = null;switch (System.IO.Path.GetExtension(filePath)){case ".pdf":pExport = new ExportPDF() as IExport;break;case ".svg":pExport = new ExportSVG() as IExport;break;case ".ai":pExport = new ExportAI() as IExport;break;case ".emf":pExport = new ExportEMF() as IExport;break;case ".eps":pExport = new ExportPS() as IExport;break;case ".bmp":pExport = new ExportBMP() as IExport;break;case ".png":pExport = new ExportPNG() as IExport;break;case ".jpeg":pExport = new ExportJPEG() as IExport;break;case ".tif":pExport = new ExportTIFF() as IExport;break;case ".gif":pExport = new ExportGIF() as IExport;break;default:pExport = new ExportPDF() as IExport;break;}// 若导出图片，则设置重采样等级if (pExport is IOutputRasterSettings){IOutputRasterSettings pOutputRasterSettings = pExport as IOutputRasterSettings;pOutputRasterSettings.ResampleRatio = resample;}// 若导出TIFF，则设置坐标信息if (pExport is IExportTIFF){IExportTIFF pExportTIFF = pExport as IExportTIFF;pExportTIFF.GeoTiff = true;pExportTIFF.CompressionType = esriTIFFCompression.esriTIFFCompressionJPEG;IWorldFileSettings pWorldFileSettings = pExport as IWorldFileSettings;pWorldFileSettings.MapExtent = axMapControl1.Extent;}// 若导出PDF，则设置PDF格式if (pExport is IExportPDF){IExportPDF pExportPDF = pExport as IExportPDF;pExportPDF.Compressed = true;pExportPDF.EmbedFonts = true;pExportPDF.ImageCompression = esriExportImageCompression.esriExportImageCompressionNone;}// 分辨率IActiveView pActiveView = axMapControl1.ActiveView;int screenResolution = (int)axMapControl1.ActiveView.ScreenDisplay.DisplayTransformation.Resolution;int outputResulotion = (int)resolution;// 计算导出区域tagRECT rect = new tagRECT();pActiveView.ScreenDisplay.DisplayTransformation.TransformRect(pTrackEnvelope, ref rect, 8);rect.right = (int)(1.0 * (rect.right - rect.left) * outputResulotion / screenResolution);rect.bottom = (int)(1.0 * (rect.bottom - rect.top) * outputResulotion / screenResolution);rect.left = 0;rect.top = 0;// 设置导出区域IEnvelope pEnvelope = new Envelope() as IEnvelope;pEnvelope.PutCoords(rect.left, rect.top, rect.right, rect.bottom);pExport.ExportFileName = filePath;pExport.PixelBounds = pEnvelope;// 导出pActiveView.Output(pExport.StartExporting(), outputResulotion, ref rect, pTrackEnvelope, null);pExport.FinishExporting();pExport.Cleanup();}/// <summary>/// axMapControl1_OnMouseDown/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e){// 绘制一个矩形框IEnvelope pTrackEnvelope = axMapControl1.TrackRectangle();if (pTrackEnvelope.IsEmpty){return;}// 导出文件类型dStringBuilder filter = new StringBuilder();filter.Append("PDF(*.pdf)|*.pdf|");filter.Append("SVG(*.svg)|*.svg|");filter.Append("AI(*.ai)|*.ai|");filter.Append("EMF(*.emf)|*.emf|");filter.Append("EPS(*.eps)|*.eps|");filter.Append("BMP(*.bmp)|*.bmp|");filter.Append("PNG(*.png)|*.png|");filter.Append("JPEG(*.jpeg)|*.jpeg|");filter.Append("TIFF(*.tif)|*.tif|");filter.Append("GIF(*.gif)|*.gif");// 保存文件SaveFileDialog saveFileDialog = new SaveFileDialog();saveFileDialog.Title = "导出";saveFileDialog.Filter = filter.ToString();saveFileDialog.RestoreDirectory = true;if (saveFileDialog.ShowDialog() == DialogResult.OK){ExportMap(pTrackEnvelope, saveFileDialog.FileName, 300, 1);}}}
}

运行结果如下图所示：

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ArcEngine导出地图

1、前言

2、全图导出

3、区域导出

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