C# arcengine 开发，求教。。。

出现红色叹号，估计你是加载的mxd文档吧，那原因可能是数据源出错，也就是说图层的路径改变了。 这种情况最好的解决办法是：用arcmap打开mxd文档，重新设置数据源（最好是把数据源和mxd放在一个文件夹中），再设置mxd的属性，勾选 以相对路径储存数据。这样当你移动数据时，将mxd文档和数据一起移动，只要保证他们的相对位置不变就可以了。

http://www.pudn.com/downloads295/sourcecode/graph/detail1322386.html

资源站上给你找了一段代码，这个肯定够你用的。

private void button1_Click(object sender, EventArgs e)

{

//dem数据一般读的是包含所有adf文件的文件夹的名称

OpenFileDialog openFile = new OpenFileDialog()

openFile.ShowDialog()

string path = openFile.FileName

//判断后缀是否为adf，如果是则读取它路径的上一级作为文件名

string lastname = path.Substring(path.Length - 3, 3)

string frontname = null//该字符串记录的事排除后缀为adf文件名的路径

if (lastname == "adf")

{

char[] split = new char[] { '\\' }

string[] array = path.Split(split)

string last = array[array.Length - 1]//XXX.adf

int n = last.Length + 1

frontname = path.Substring(0, path.Length - n)

}

if (frontname != null)

{

ILayer pLayer = openDEMLayer(frontname)

this.axSceneControl1.Scene.AddLayer(pLayer, true)

}

}

public static ILayer openDEMLayer(string fullPath)

{

string pathToWorkspace = System.IO.Path.GetDirectoryName(fullPath)

string demName = System.IO.Path.GetFileName(fullPath)

IWorkspaceFactory pWSFact = new RasterWorkspaceFactoryClass()

IWorkspace pWS = pWSFact.OpenFromFile(pathToWorkspace, 0)

IRasterWorkspace pRasterWorkspace = pWS as IRasterWorkspace

IRasterLayer pRasterLayer= new RasterLayerClass()

try

{

IRasterDataset pRasterDataset = (IRasterDataset)pRasterWorkspace.OpenRasterDataset(demName)

pRasterLayer.CreateFromDataset(pRasterDataset)

}

catch (Exception err)

{

MessageBox.Show(err.Message)

}

return pRasterLayer

}

private void button2_Click(object sender, EventArgs e)

{

IRasterLayer pRasterLayer = new RasterLayerClass()

pRasterLayer = (IRasterLayer)axSceneControl1.Scene.get_Layer(1)//Raster图层

IRaster pRaster = pRasterLayer.Raster

ISurfaceOp pSurfaceOp = new RasterSurfaceOpClass()

ILayer pLayer = axSceneControl1.Scene.get_Layer(0)//点图层

IFeatureLayer pFeatureLayer = (IFeatureLayer)pLayer

IGeoDataset pObservers = (IGeoDataset)pFeatureLayer.FeatureClass

IGeoDataset pGeoDataset = pSurfaceOp.Visibility((IGeoDataset)pRaster, pObservers, esriGeoAnalysisVisibilityEnum.esriGeoAnalysisVisibilityFrequency)

IRasterLayer pNewRasterLayer = new RasterLayerClass()

IRaster pNewRaster = new ESRI.ArcGIS.DataSourcesRaster.Raster()

pNewRaster = (IRaster)pGeoDataset

pNewRasterLayer.CreateFromRaster(pNewRaster)

pNewRasterLayer.Name = "透视图"

axSceneControl1.Scene.AddLayer(pNewRasterLayer, false)

}

private void button3_Click(object sender, EventArgs e)

{

OpenFileDialog openFileDialog1 = new OpenFileDialog()

openFileDialog1.Filter = "shapefile文件(*.shp)|*.shp"

//获取或设置文件对话框显示的初始目录

//openFileDialog1.InitialDirectory = @"D:\Program Files\ArcGIS\Metadata\Data"

//获取或设置一个值，该值指示对话框是否允许选择多个文件

openFileDialog1.Multiselect = false

// 运行具有指定所有者的通用对话框

DialogResult pDialogResult = openFileDialog1.ShowDialog()

//指定标识符以指示对话框的返回值

if (pDialogResult != DialogResult.OK)

return

//获取或设置一个包含在文件对话框中选定的文件名的字符串

string pPath = openFileDialog1.FileName

//返回指定路径字符串的目录信息

string pFolder = System.IO.Path.GetDirectoryName(pPath)

//返回指定路径字符串的文件名和扩展名

string pFileName = System.IO.Path.GetFileName(pPath)

IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory()

IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(pFolder, 0)

IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace

IFeatureClass pFC = pFeatureWorkspace.OpenFeatureClass(pFileName)

IFeatureLayer pFLayer = new FeatureLayerClass()

pFLayer.FeatureClass = pFC

pFLayer.Name = pFC.AliasName

ILayer pLayer = pFLayer as ILayer

axSceneControl1.Scene.AddLayer(pLayer, true)

}

安装时 发现vs2019与sdk 10.2 不兼容，10.2只能兼容vs2010或者vs02012，解决方式：

1 先安装 arcgis license 10.2.2 这个必须在C盘 其他程序可以安装在别的盘

2 安装 arcgis desktop 10.2.2

3 安装 arcgis engine 10.2.2

4 安装 arcobjects SDK时 报错 不与vs2019兼容

① 修改注册表

增加注册表InstallDir 路径选到vs2019安装目录下的IDE

增加注册表ShellFolder 路径选到vs2019安装目录下的Professional

② 然后在安装SDK 就可以安装了

5 打开vs2019 发现 还是不能读取arcengine 需要以下设置：

① 打开

分为ItemTemplates和ProjectTemplates

② 将其里面CSharp和VisualBasic中的ArcGIS文件夹 复制粘贴到文档中VS2019目录下

分别对应Visual C#和Visual Basic 复制粘贴

6 完成！

参考文件：

① https://www.bilibili.com/video/av584263241/

② https://www.bilibili.com/video/BV1C64y1c7eZ?p=2

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