VSC# ArcGIS 二次开发--出图工具：添加图名、比例尺、指北针、图例，导出图片或文件、打印地图
2024-05-29 03:40:09
这是我们GIS课程的结课作业，只能说，大心血
链接在最后，但是还是希望大家可以看看代码，可以留言相互交流学习。
目录
链接在最后，但是还是希望大家可以看看代码，可以留言相互交流学习。
添加图名
指北针
比例尺（类似指北针。从样式库里添加）
图例
指北针窗体
导出地图
打印地图
添加图名
public void AddTitle(IPageLayout pageLayout, String s){//找到PageLayoutIPageLayout pPageLayout = mainPageLayoutControl1.PageLayout;//找到元素容器IGraphicsContainer pGraphicsContainer = pPageLayout as IGraphicsContainer;//创建元素ITextElement pTextElement = new TextElementClass();pTextElement.Text = s;ITextSymbol pTextSymbol = new TextSymbolClass();//Text的符号样式pTextSymbol.Size = 30;pTextSymbol.Color = GetRGB(0, 0, 0);pTextElement.Symbol = pTextSymbol;//设置位置 IElement pElement = pTextElement as IElement;pElement.Geometry = mainPageLayoutControl1.TrackRectangle();//将元素添加到容器中pGraphicsContainer.AddElement(pElement, 0);//刷新mainPageLayoutControl1.Refresh();
}指北针
IMapFrame pMapFrame = ((IActiveView)this.mainPageLayoutControl1.PageLayout).GraphicsContainer.FindFrame(this.mainPageLayoutControl1.ActiveView.FocusMap) as IMapFrame;IElement pElement = pMapFrame as IElement;UID pID = new UIDClass();pID.Value = "esriCarto.MarkerNorthArrow";IEnvelope pEnv = new EnvelopeClass();pEnv.PutCoords(16, 24, 22, 26);AddNorthArrow NForm = new AddNorthArrow(mainPageLayoutControl1.ActiveView, esriSymbologyStyleClass.esriStyleClassNorthArrows);//axPageLayoutControl1.ActiveView, esriSymbologyStyleClass.esriStyleClassNorthArrowsNForm.ShowDialog();IStyleGalleryItem styleGalleryItem = NForm.m_styleGalleryItem;NForm.Dispose();if (styleGalleryItem == null) return;IMapSurround pMapSurround = this.CreateSurround(pID, pEnv, styleGalleryItem, pMapFrame, this.mainPageLayoutControl1.PageLayout);this.mainPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);比例尺（类似指北针。从样式库里添加）
IMapFrame pMapFrame = ((IActiveView)this.mainPageLayoutControl1.PageLayout).GraphicsContainer.FindFrame(this.mainPageLayoutControl1.ActiveView.FocusMap) as IMapFrame;IElement pElement = pMapFrame as IElement;UID pID = new UIDClass();pID.Value = "esriCarto.ScaleLine";IEnvelope pEnv = new EnvelopeClass();pEnv.PutCoords(2, 3, 3, 5);AddScalebar SForm = new AddScalebar(mainPageLayoutControl1.ActiveView, esriSymbologyStyleClass.esriStyleClassScaleBars);SForm.ShowDialog();IStyleGalleryItem styleGalleryItem = SForm.m_styleGalleryItem;SForm.Dispose();if (styleGalleryItem == null) return;IMapSurround pMapSurround = this.CreateSurround(pID, pEnv, styleGalleryItem, pMapFrame, this.mainPageLayoutControl1.PageLayout);this.mainPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);图例
public void AddLegend(IPageLayout pageLayout){//获取axPageLayoutControl1的图形容器IGraphicsContainer graphicsContainer = mainPageLayoutControl1.GraphicsContainer;//获取axPageLayoutControl1空间里面显示的地图图层IMapFrame mapFrame = (IMapFrame)graphicsContainer.FindFrame(mainPageLayoutControl1.ActiveView.FocusMap);if (mapFrame == null) return;//创建图例UID uID = new UIDClass();//创建UID作为该图例的唯一标识符，方便创建之后进行删除、移动等操作uID.Value = "esriCarto.Legend";IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);if (mapSurroundFrame == null) return;if (mapSurroundFrame.MapSurround == null) return;mapSurroundFrame.MapSurround.Name = "Legend";IEnvelope envelope = new EnvelopeClass();envelope.PutCoords(16, 3, 20, 5);//设置图例摆放位置（原点在axPageLayoutControl左下角）IElement element = (IElement)mapSurroundFrame;element.Geometry = envelope;//将图例转化为几何要素添加到axPageLayoutControl1,并刷新页面显示mainPageLayoutControl1.AddElement(element, Type.Missing, Type.Missing, "Legend", 0);mainPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);}
指北针窗体
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace WindowsFormsApplication3
{public partial class AddNorthArrow : Form{private IActiveView mActiveView;private IFeatureLayer mFeatureLayer;public IStyleGalleryItem m_styleGalleryItem;private esriSymbologyStyleClass mStyleClass;public AddNorthArrow(IFeatureLayer pLayer, IActiveView pActiveView){InitializeComponent();this.Text = "指北针样式选择";mFeatureLayer = pLayer;mActiveView = pActiveView;}public AddNorthArrow(IActiveView pActiveView, esriSymbologyStyleClass styleClass){mActiveView = pActiveView;mStyleClass = styleClass;InitializeComponent();}private void Form2_Load(object sender, EventArgs e){axSymbologyControl1.LoadStyleFile("D:\。。。。\ESRI.ServerStyle"); axSymbologyControl1.StyleClass = esriSymbologyStyleClass.esriStyleClassNorthArrows;//Select the color ramp itemaxSymbologyControl1.GetStyleClass(axSymbologyControl1.StyleClass).SelectItem(0); }private void axSymbologyControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.ISymbologyControlEvents_OnMouseDownEvent e){}private void button1_Click(object sender, EventArgs e){this.Hide(); }private void button2_Click(object sender, EventArgs e){m_styleGalleryItem = null;//hide the formthis.Hide(); }private void axSymbologyControl1_OnItemSelected(object sender, ISymbologyControlEvents_OnItemSelectedEvent e){m_styleGalleryItem = (IStyleGalleryItem)e.styleGalleryItem;}}}
导出地图
private void btnPrint_Click(object sender, EventArgs e)//点击打印Button响应{//创建保存文件对话框的实例SaveFileDialog SaveFile = new SaveFileDialog();//根据掩码文本框对对话框初始化switch (comboBox1.SelectedIndex){case 0:SaveFile.Filter = "BPM文件(*.bmp)|*.bmp";SaveFile.Title = "保存bmb文件";break;case 2:SaveFile.Filter = "GIF文件(*.gif)|*.gif";SaveFile.Title = "保存gif文件";break;case 3:SaveFile.Filter = "JPG文件(*.jpeg)|*.jpeg";SaveFile.Title = "保存jpg文件";break;case 4:SaveFile.Filter = "PNG文件(*.png)|*.png";SaveFile.Title = "保存png文件";break;case 5:SaveFile.Filter = "TIFF文件(*.TIFF)|*.TIFF";SaveFile.Title = "保存tiff文件";break;case 6:SaveFile.Filter = "PDF文件(*.PDF)|*.pdf";SaveFile.Title = "保存pdf文件";break;}if (txtResolution.Value > 1){ if (SaveFile.ShowDialog() == DialogResult.OK){//打开保存文件对话框 并选择路径和文件名SaveFile.AddExtension = true;//设置为自动补充文件扩展名IExport pExport;switch (comboBox1.SelectedIndex)//根据掩码文本框的索引值穿件不同的pExport实例并调用Export方法{case 0:pExport = new ExportBMPClass();Export(pExport, SaveFile.FileName);break;case 2:pExport = new ExportGIFClass();Export(pExport, SaveFile.FileName);break;case 3:pExport = new ExportJPEGClass();Export(pExport, SaveFile.FileName);break;case 4:pExport = new ExportPNGClass();Export(pExport, SaveFile.FileName);break;case 5:pExport = new ExportTIFFClass();Export(pExport, SaveFile.FileName);break;case 6:pExport = new ExportPDFClass();Export(pExport, SaveFile.FileName);break;}}}else {MessageBox.Show("请输入有效数字~！", "提示", MessageBoxButtons.OK);}}//输出文件public void Export(IExport pExport, string path){IActiveView pActiveView;IEnvelope pPixelBoundsEnv;int iOutputResolution;int iScreenResolution;int hdc;pActiveView = m_Map.ActiveView;pExport.ExportFileName = path;iScreenResolution = 96;iOutputResolution = 300;pExport.Resolution = iOutputResolution;tagRECT pExportFrame;pExportFrame = pActiveView.ExportFrame;tagRECT exportRECT;exportRECT.left = 0;exportRECT.top = 0;exportRECT.right = pActiveView.ExportFrame.right * (iOutputResolution / iScreenResolution);exportRECT.bottom = pActiveView.ExportFrame.bottom * (iOutputResolution / iScreenResolution);pPixelBoundsEnv = new EnvelopeClass();pPixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);pExport.PixelBounds = pPixelBoundsEnv;hdc = pExport.StartExporting();pActiveView.Output(hdc, (int)pExport.Resolution, ref exportRECT, null, null);pExport.FinishExporting();pExport.Cleanup();MessageBox.Show("成功保存地图~！", "保存", MessageBoxButtons.OK);}打印地图
AxPageLayoutControl m_Map;//新建axPageLayoutControl变量，用于接收传进来的参数private PageSetupDialog pageSetup=new PageSetupDialog();PrintDocument PD = new PrintDocument();private PrintDialog print=new PrintDialog();public PrintMap(AxPageLayoutControl m_Map){InitializeComponent();this.Text = "打印地图";this.m_Map = m_Map;copy(m_Map);// copyMap(m_Map,axPageLayoutControl1);m_Map.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);}/* public void copyMap(AxPageLayoutControl m_Map, AxPageLayoutControl axPageLayoutControl){ IObjectCopy objectCopy = new ObjectCopy();object tocopyMap = m_Map.ActiveView.GraphicsContainer;object copiedMap = objectCopy.Copy(tocopyMap);object toOverwiteMap = axPageLayoutControl1.ActiveView.FocusMap;objectCopy.Overwrite(copiedMap, ref toOverwiteMap);}*/ private void PrintMap_Load(object sender, EventArgs e){pageSetup = new PageSetupDialog();//初始化页面设置对话框的页面设置属性为缺省设置pageSetup.PageSettings = new System.Drawing.Printing.PageSettings();//初始化页面设置对话框的打印机属性为缺省设置pageSetup.PrinterSettings = new System.Drawing.Printing.PrinterSettings();print = new PrintDialog();}private void copy(AxPageLayoutControl mainlayoutControl){IObjectCopy objectcopy = new ObjectCopyClass();object tocopymap = mainlayoutControl.ActiveView.GraphicsContainer; //获取mapcontrol中的map 这个是原始的object copiedmap = objectcopy.Copy(tocopymap); //复制一份map，是一个副本object tooverwritemap = axPageLayoutControl1.ActiveView.GraphicsContainer; //IActiveView.FocusMap : The map that tools and controls act on. 控件和工具作用的地图，大概是当前地图吧！！！objectcopy.Overwrite(copiedmap, ref tooverwritemap);System.Runtime.InteropServices.Marshal.ReleaseComObject(objectcopy);IGraphicsContainer mainGraphCon = tooverwritemap as IGraphicsContainer;mainGraphCon.Reset();IElement pElement = mainGraphCon.Next();IArray pArray = new ArrayClass();while (pElement != null){pArray.Add(pElement);pElement = mainGraphCon.Next();}int pElementCount = pArray.Count;IPageLayout PrintPageLayout = axPageLayoutControl1.PageLayout;IGraphicsContainer PrintGraphCon = PrintPageLayout as IGraphicsContainer;PrintGraphCon.Reset();IElement pPrintElement = PrintGraphCon.Next();while (pPrintElement != null){PrintGraphCon.DeleteElement(pPrintElement);pPrintElement = PrintGraphCon.Next();}for (int i = 0; i < pArray.Count; i++){PrintGraphCon.AddElement(pArray.get_Element(pElementCount - 1 - i) as IElement, 0);}axPageLayoutControl1.Refresh();}private void button1_Click(object sender, EventArgs e){//实例化打印设置窗口DialogResult result = pageSetup.ShowDialog();//设置打印文档对象的打印机PD.PrinterSettings = pageSetup.PrinterSettings;//设置打印文档对象的页面设置为用户在打印设置对话框中的设置PD.DefaultPageSettings = pageSetup.PageSettings;//页面设置int i;IEnumerator paperSizes = pageSetup.PrinterSettings.PaperSizes.GetEnumerator();paperSizes.Reset();for (i = 0; i < pageSetup.PrinterSettings.PaperSizes.Count; ++i){paperSizes.MoveNext();if (((PaperSize)paperSizes.Current).Kind == PD.DefaultPageSettings.PaperSize.Kind){PD.DefaultPageSettings.PaperSize = ((PaperSize)paperSizes.Current);}}//初始化纸张和打印机IPaper paper = new PaperClass();IPrinter printer = new EmfPrinterClass();//关联打印机对象和纸张对象 paper.Attach(pageSetup.PrinterSettings.GetHdevmode(pageSetup.PageSettings).ToInt32(), pageSetup.PrinterSettings.GetHdevnames().ToInt32());printer.Paper = paper;axPageLayoutControl1.Printer = printer;pageSetup.ShowDialog();}private void btnPrint_Click(object sender, EventArgs e){//显示帮助按钮 print.ShowHelp = true;print.Document = PD;//显示打印窗口DialogResult result = print.ShowDialog();// 如果显示成功，则打印.if (result == DialogResult.OK) PD.Print();Close();}}
}
比较综合。截图太多，就不放了。exe可运行，放百度网盘了。一定结合百度云的窗体，运行一下再去看代码，最后的结课报告有完整的功能介绍和运行结果截图和测试，需要的可以留言或私信。
百度云链接：
链接：https://pan.baidu.com/s/1NTFdUBJGBO69SJ3CRUKWCQ 密码：tqfp
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