Arcengine将excel表格中的坐标数据转化为点要素类.doc

using System;using System.Collections.Generic;using System.Linq;using System.Text;using ESRI.ArcGIS.esriSystem;using ESRI.ArcGIS.Carto;using ESRI.ArcGIS.Controls;using ESRI.ArcGIS.SystemUI;using ESRI.ArcGIS.Geometry;using ESRI.ArcGIS.Geodatabase;using ESRI.ArcGIS.DataSourcesFile;using ESRI.ArcGIS.DataSourcesOleDB;namespace Moso_Bamboo_Forest_Visualization class LoadExcel private IFeatureClass createfeatureclass() string tempStorePath = System.Environment.CurrentDirectory; IWorkspaceFactory workspacefactory = new ShapefileWorkspaceFactoryClass(); IFeatureWorkspace featureworkspace = (IFeatureWorkspace)workspacefactory.OpenFromFile(tempStorePath, 0); string layerName = points; IFields pFields = new FieldsClass(); IFieldsEdit pFieldsEdit = pFields as IFieldsEdit; / IField shapeField = new FieldClass(); IFieldEdit shapeEdit = shapeField as IFieldEdit; shapeEdit.Name_2 = Shape; shapeEdit.Type_2 = esriFieldType.esriFieldTypeGeometry; IGeometryDef pGeometryDef = new GeometryDefClass(); IGeometryDefEdit pGeometryDefEdit = pGeometryDef as IGeometryDefEdit; pGeometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint; ISpatialReferenceFactory srFactory = new SpatialReferenceEnvironmentClass(); ISpatialReference sr1; IProjectedCoordinateSystem pcs = srFactory.CreateProjectedCoordinateSystem(102100); sr1 = pcs; pGeometryDefEdit.SpatialReference_2 = sr1; shapeEdit.GeometryDef_2 = pGeometryDefEdit; pFieldsEdit.AddField(shapeField); IField x = new FieldClass(); IFieldEdit xx = x as IFieldEdit; xx.Name_2 = X; xx.Type_2 = esriFieldType.esriFieldTypeDouble; pFieldsEdit.AddField(x); IField y = new FieldClass(); IFieldEdit yy = y as IFieldEdit; yy.Name_2 = Y; yy.Type_2 = esriFieldType.esriFieldTypeDouble; pFieldsEdit.AddField(y); esriFeatureType pfeaturetype = esriFeatureType.esriFTSimple; IFeatureClass tempFeatureClass; tempFeatureClass = featureworkspace.CreateFeatureClass(layerName, pFields, null, null, pfeaturetype, Shape, text); return tempFeatureClass; public ILayer myGetExcelTable(string path) ESRI.ArcGIS.esriSystem.IPropertySet proset = new ESRI.ArcGIS.esriSystem.PropertySetClass(); string strcon = Provider=Microsoft.Jet.OLEDB.4.0;Data Source= + path + ;Extended Properties=Excel 8.0; proset.SetProperty(CONNECTSTRING, strcon); IWorkspaceFactory workspf = new ESRI.ArcGIS.DataSourcesOleDB.OLEDBWorkspaceFactoryClass(); IFeatureWorkspace fworkfac = workspf.Open(proset, 0) as IFeatureWorkspace; IQueryDef myQueryDef = fworkfac.CreateQueryDef(); myQueryDef.Tables = Sheet1$; myQueryDef.SubFields = *; myQueryDef.WhereClause = ; ICursor myCursor = myQueryDef.Evaluate(); IRow myRow; IPoint point = new PointClass(); ILayer newlayer; IFeatureClass newfeatureclass = createfeatureclass(); ISpatialReferenceFactory srFactory = new SpatialReferenceEnvironmentClass(); ISpatialReference sr1; IProjectedCoordinateSystem pcs = srFactory.CreateProjectedCoordinateSystem(102100); sr1 = pcs; while (myRow = myCursor.NextRow() != null) point.PutCoords(double.Parse(myRow.get_Value(0).ToString(), double.Parse(myRow.get_Value(1).ToString(); point.SpatialReference = sr1; IFeatureCursor m_cursor = newfeatureclass.Insert(true); IFeatureBuffer m_buffer = newfeatureclass.CreateFeatureBuffer(); m_buffer.Shape = point; m_buffer.set_Value(newfeatureclass.FindField(X), double.Parse(myRow.get_Value(0).ToString(); m_buffer.set_Value(newfeatureclass.FindField(Y), double.Parse(myRow.get_Value(1).ToString(); m_cursor.InsertFeature(m_buffer