/// <summary>
/// 裁剪
/// </summary>
/// <param name="inVectorFile"></param>
/// <param name="borderFile"></param>
/// <param name="outFile"></param>
public static void Clip(string inVectorFile, string borderFile, string outFile)
{
ESRI.ArcGIS.AnalysisTools.Clip pClip = new ESRI.ArcGIS.AnalysisTools.Clip
{
in_features = inVectorFile,
clip_features = borderFile,
out_feature_class = outFile
};
GeoprocessorHelper.GpExecute(pClip);
}
public static bool Clip(string in_features, string clip_feature, string out_feature, string tolerance = "0.0001 METERS")
{
var tool = new ESRI.ArcGIS.AnalysisTools.Clip();
tool.in_features = in_features;
tool.clip_features = clip_feature;
tool.out_feature_class = out_feature;
tool.cluster_tolerance = tolerance;
return(Excute(tool));
}
private void ClipFeatures(string clipFromLayer, string clipFeatureLayer, string outFeatureClassName)
{
int numTrys = 0;
ESRI.ArcGIS.AnalysisTools.Clip c = new ESRI.ArcGIS.AnalysisTools.Clip();
c.in_features = clipFromLayer;
c.clip_features = clipFeatureLayer;
c.cluster_tolerance = "0.001 meters";
c.out_feature_class = outFeatureClassName;
while (numTrys <= 10)
{
if (numTrys == 10)
{
//System.Windows.Forms.MessageBox.Show("Tried clip 10 times and failed");
}
else
{
if (RunProcess(c, null))
{
mLog.Debug("Passed clip features after " + (numTrys + 1).ToString() + " trys");
numTrys = 999;
}
else
{
numTrys++;
mLog.Debug("****************************Failed dissolve " + numTrys + " times");
mLog.Debug("Attempting repair geometry of clipFromLayer");
RepairGeometry r = new RepairGeometry();
r.in_features = clipFromLayer;
RunProcess(r, null);
mLog.Debug("Attempting repair geometry of clipFeatureLayer");
RepairGeometry r2 = new RepairGeometry();
r2.in_features = clipFeatureLayer;
RunProcess(r2, null);
mLog.Debug("Reseting geoprocessor");
myProcessor = null;
myProcessor = new Geoprocessor();
}
}
}
}
private void Clip(string cityName)
{
IWorkspaceFactory pWorkspaceFactory;
//使用Geoprocessor进行Clip
Geoprocessor gp = new Geoprocessor();
ESRI.ArcGIS.AnalysisTools.Clip myclip = new ESRI.ArcGIS.AnalysisTools.Clip();
IFeatureLayer pFlyr1 = new FeatureLayer();
IFeatureLayer pFlyr2 = new FeatureLayer();
IFeatureClass pFclass1;
IFeatureClass pFclass2;
//OverwriteOutput为真时，输出图层会覆盖当前文件夹下的同名图层
gp.OverwriteOutput = true;
string stroutputpath = "schdata\\分析结果.shp";
//FileInfo fFile = new FileInfo(stroutputpath);
pFlyr1 = GetLayerByName(cityName);
pFlyr2 = GetLayerByName("中学_buffer");
pFclass1 = pFlyr1.FeatureClass;
pFclass2 = pFlyr2.FeatureClass;
myclip.clip_features = pFclass2;
myclip.in_features = pFclass1;
myclip.out_feature_class = stroutputpath;
gp.Execute(myclip, null);
//if (MessageBox.Show("添加到图层？") == System.Windows.Forms.DialogResult.Yes)
//{
// axMapControl1.AddShapeFile("d:\\Temp","分析结果.shp");
// axMapControl1.ActiveView.Refresh();
//}
axMap.AddShapeFile("schdata", "分析结果.shp");
axMap.ActiveView.Refresh();
}
public bool cilpOperator(IMap iMap, string inLayerName, string clipLayerName, string outpath)
{
IFeatureLayer inLayer = (IFeatureLayer)GetLayerByName(inLayerName);
IFeatureLayer clipLayer = (IFeatureLayer)GetLayerByName(clipLayerName);
//调用GeoProcessing工具
Geoprocessor geoprocessor = new Geoprocessor();
geoprocessor.OverwriteOutput = true;
IFeatureClass inLayerFeaCls = inLayer.FeatureClass;
IFeatureClass clipLayerFeaCls = clipLayer.FeatureClass;
//调用clip工具
ESRI.ArcGIS.AnalysisTools.Clip clip = new ESRI.ArcGIS.AnalysisTools.Clip(
inLayerFeaCls, clipLayerFeaCls, outpath + "\\" + inLayerName + "_Clip");
geoprocessor.Execute(clip, null);
//输出切割后图层
IWorkspaceFactory workspaceFactory = new ShapefileWorkspaceFactoryClass();
IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)workspaceFactory.OpenFromFile(outpath, 0);
IFeatureClass outFClass = featureWorkspace.OpenFeatureClass(inLayerName + "_Clip");
IFeatureLayer outLayer = new FeatureLayerClass();
outLayer.FeatureClass = outFClass;
outLayer.Name = inLayerName + "_Clip";
iMap.AddLayer(outLayer);
IActiveView activeView = iMap as IActiveView;
activeView.Refresh();
if (inLayerName == "DLTB")
{
int raIndex = outFClass.FindField("SHAPE_Area");
IFeatureCursor featureCursor = outLayer.FeatureClass.Search(null, false);
IFeature feature = featureCursor.NextFeature();
while (feature != null)
{
if (feature.Shape.GeometryType == esriGeometryType.esriGeometryPolygon)
{
//使用IArea接口计算面积
IArea pArea = feature.Shape as IArea;
feature.set_Value(raIndex, pArea.Area);
}
feature.Store();
feature = featureCursor.NextFeature();
}
}
else if (inLayerName == "XZDW")
{
//计算切割后图层中线状地物的长度
IFieldsEdit pFieldsEdit = outFClass.Fields as IFieldsEdit;
IField pField = new FieldClass();
IFieldEdit pFieldEdit = pField as IFieldEdit;
pFieldEdit.Name_2 = "Real_Leng";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
outFClass.AddField(pField);
int rlIndex = outFClass.FindField("Real_Leng");
int slIndex = outFClass.FindField("SHAPE_Leng");
int xzdwmjIndex = outFClass.FindField("XZDWMJ");
IFeatureCursor featureCursor = outLayer.FeatureClass.Search(null, false);
IFeature feature = featureCursor.NextFeature();
while (feature != null)
{
if (feature.Shape.GeometryType == esriGeometryType.esriGeometryPolyline)
{
//使用ICure接口计算长度
ICurve pCurve = feature.Shape as ICurve;
feature.set_Value(rlIndex, pCurve.Length);
//计算切割后线状地物面积
Double real_mj = Double.Parse(feature.get_Value(rlIndex).ToString()) / Double.Parse(feature.get_Value(slIndex).ToString())
* Double.Parse(feature.get_Value(xzdwmjIndex).ToString());
feature.set_Value(xzdwmjIndex, real_mj.ToString());
}
feature.Store();
feature = featureCursor.NextFeature();
}
}
return(true);
}//切割
//ȷ�� ��ť
private void button4_Click(object sender, EventArgs e)
{
try
{
IFeatureClass featureclassInput = null;
IFeatureClass featureclassClip = null;
IFields outfields = null;
// Create a new ShapefileWorkspaceFactory CoClass to create a new workspace
IWorkspaceFactory workspaceFactory = new ShapefileWorkspaceFactoryClass();
// System.IO.Path.GetDirectoryName(shapefileLocation) returns the directory part of the string. Example: "C:\test\"
// System.IO.Path.GetFileNameWithoutExtension(shapefileLocation) returns the base filename (without extension). Example: "cities"
//IFeatureClass featureClass = featureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(shapefileLocation));
IFeatureWorkspace featureWorkspaceInput = (IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(TxtInputFile.Text), 0); // Explicit Cast
IFeatureWorkspace featureWorkspaceOut= (IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(txtOutputPath.Text), 0);
IFeatureWorkspace featureWorkspaceClip = (IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(txtClipsFile.Text), 0);
//timer �ؼ�����
timerPro.Enabled = true;
//scroll the textbox to the bottom
txtMessages.Text = "\r\n������ʼ,�������Ҫ������ʱ��,���Ժ�..\r\n";
txtMessages.Update();
//inputfeatureclass = featureWorkspace.OpenFeatureClass("land00_ws");
//clipfeatureclass = featureWorkspace.OpenFeatureClass("drain_ws_buffer");
featureclassInput = featureWorkspaceInput.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(TxtInputFile.Text));
featureclassClip = featureWorkspaceClip.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(txtClipsFile.Text));
outfields = featureclassInput.Fields;
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
//IFeatureClass outfeatureclass = featureWorkspace.CreateFeatureClass("Clip_result", outfields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
IFeatureClass featureclassOut = null;
//�ļ����ڵĴ���
if (File.Exists(txtOutputPath.Text.Trim()) == true)
{
featureclassOut = featureWorkspaceOut.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(txtOutputPath.Text));
DelFeatureFile(featureclassOut, txtOutputPath.Text.Trim());
}
featureclassOut = featureWorkspaceOut.CreateFeatureClass(System.IO.Path.GetFileNameWithoutExtension(txtOutputPath.Text), outfields,null,null,esriFeatureType.esriFTSimple, "Shape", "");
ESRI.ArcGIS.AnalysisTools.Clip clipTool =
new ESRI.ArcGIS.AnalysisTools.Clip(featureclassInput, featureclassClip, featureclassOut);
gp.Execute(clipTool,null);
workspaceFactory = null;
//����feature��
//IDataset pDataset = outfeatureclass as IDataset;
//pDataset.Copy("Clip_result1", featureWorkspace as IWorkspace);
//���ͼ�㵽��ǰ��ͼ
IFeatureLayer outlayer = new FeatureLayerClass();
outlayer.FeatureClass = featureclassOut;
outlayer.Name = featureclassOut.AliasName;
pMap.AddLayer((ILayer)outlayer);
//
txtMessages.Text += "\r\n�������.\r\n";
timerPro.Enabled = false;
}
catch(Exception ex)
{
//
txtMessages.Text += "\r\n����ʧ��.\r\n";
timerPro.Enabled = false;
MessageBox.Show(ex.Message.ToString());
}
}
//确定 按钮
private void button4_Click(object sender, EventArgs e)
{
try
{
IFeatureClass featureclassInput = null;
IFeatureClass featureclassClip = null;
IFields outfields = null;
// Create a new ShapefileWorkspaceFactory CoClass to create a new workspace
IWorkspaceFactory workspaceFactory = new ShapefileWorkspaceFactoryClass();
// System.IO.Path.GetDirectoryName(shapefileLocation) returns the directory part of the string. Example: "C:\test\"
// System.IO.Path.GetFileNameWithoutExtension(shapefileLocation) returns the base filename (without extension). Example: "cities"
//IFeatureClass featureClass = featureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(shapefileLocation));
IFeatureWorkspace featureWorkspaceInput = (IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(TxtInputFile.Text), 0); // Explicit Cast
IFeatureWorkspace featureWorkspaceOut = (IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(txtOutputPath.Text), 0);
IFeatureWorkspace featureWorkspaceClip = (IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(txtClipsFile.Text), 0);
//timer 控件可用
timerPro.Enabled = true;
//scroll the textbox to the bottom
txtMessages.Text = "\r\n分析开始,这可能需要几分钟时间,请稍候..\r\n";
txtMessages.Update();
//inputfeatureclass = featureWorkspace.OpenFeatureClass("land00_ws");
//clipfeatureclass = featureWorkspace.OpenFeatureClass("drain_ws_buffer");
featureclassInput = featureWorkspaceInput.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(TxtInputFile.Text));
featureclassClip = featureWorkspaceClip.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(txtClipsFile.Text));
outfields = featureclassInput.Fields;
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
//IFeatureClass outfeatureclass = featureWorkspace.CreateFeatureClass("Clip_result", outfields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
IFeatureClass featureclassOut = null;
//文件存在的处理
if (File.Exists(txtOutputPath.Text.Trim()) == true)
{
featureclassOut = featureWorkspaceOut.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(txtOutputPath.Text));
DelFeatureFile(featureclassOut, txtOutputPath.Text.Trim());
}
featureclassOut = featureWorkspaceOut.CreateFeatureClass(System.IO.Path.GetFileNameWithoutExtension(txtOutputPath.Text), outfields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
ESRI.ArcGIS.AnalysisTools.Clip clipTool =
new ESRI.ArcGIS.AnalysisTools.Clip(featureclassInput, featureclassClip, featureclassOut);
gp.Execute(clipTool, null);
workspaceFactory = null;
//复制feature层
//IDataset pDataset = outfeatureclass as IDataset;
//pDataset.Copy("Clip_result1", featureWorkspace as IWorkspace);
//添加图层到当前地图
IFeatureLayer outlayer = new FeatureLayerClass();
outlayer.FeatureClass = featureclassOut;
outlayer.Name = featureclassOut.AliasName;
pMap.AddLayer((ILayer)outlayer);
//
txtMessages.Text += "\r\n分析完成.\r\n";
timerPro.Enabled = false;
}
catch (Exception ex)
{
//
txtMessages.Text += "\r\n分析失败.\r\n";
timerPro.Enabled = false;
MessageBox.Show(ex.Message.ToString());
}
}