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using System; |
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using System.Collections.Generic; |
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using System.Text; |
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using ESRI.ArcGIS.Geodatabase; |
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using System.Runtime.InteropServices; |
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using System.Data; |
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using Kingo.Mobile.Shape2KOTool; |
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using ESRI.ArcGIS.Geometry; |
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using ESRI.ArcGIS.Carto; |
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using KGIS.Framework.Utils; |
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using KGIS.Framework.AE.ExtensionMethod; |
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using OSGeo.OGR; |
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using OSGeo.GDAL; |
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using Kingo.Plugin.MakeTaskPackage.Model; |
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using ESRI.ArcGIS.DataSourcesFile; |
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using ESRI.ArcGIS.DataSourcesGDB; |
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using KGIS.Framework.Maps; |
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namespace Kingo.Plugin.MakeTaskPackage.Common |
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{ |
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public class ArcFeatureDataSource : Kingo.Mobile.Shape2KOTool.KoDataBase.ISpatialDataSource |
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{ |
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private IQueryFilter pQueryFilter = new QueryFilterClass() |
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{ |
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WhereClause = "1=1" |
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}; |
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private IQueryFilter pSpatialFilter = new SpatialFilterClass() |
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{ |
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WhereClause = "1=1" |
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}; |
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private DataRow dr = null; |
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public ArcFeatureDataSource(IFeatureClass featureClass, ESRI.ArcGIS.Geometry.IGeometry queryGeometry, string geometryField, string whereClause, List<Kingo.Mobile.Shape2KOTool.XSDClass.Field> fields) |
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{ |
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this.FeatureSource = featureClass; |
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if (!string.IsNullOrEmpty(whereClause)) |
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this.pQueryFilter.WhereClause = whereClause; |
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IEnvelope envelope = (FeatureSource as IGeoDataset).Extent; |
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if (queryGeometry != null) |
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{ |
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pSpatialFilter = new SpatialFilterClass() { Geometry = queryGeometry, GeometryField = geometryField, SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects, WhereClause = this.pQueryFilter.WhereClause }; |
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envelope = queryGeometry.Envelope; |
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} |
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//获取字段 |
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this.Fields = new List<ShapeFieldInfo>(); |
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for (int i = 0; i < FeatureSource.Fields.FieldCount; i++) |
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{ |
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IField field = FeatureSource.Fields.get_Field(i); |
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//Kingo.Mobile.Shape2KOTool.XSDClass.Field fieldS = fields.Find(p => p.Name.ToLower() == field.Name.ToLower()); |
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//if (fieldS == null) continue; |
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if (featureClass.ShapeFieldName == field.Name) |
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continue; |
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this.Fields.Add(ConvertArcFieldToShapeFieldInfo(FeatureSource.Fields.get_Field(i), null)); |
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} |
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//获取空间参考 |
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ISpatialReference spatialReference = (FeatureSource as IGeoDataset).SpatialReference; |
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int wkid = spatialReference.FactoryCode; |
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SpatialRefrenceStruct srs = SpatialRefrenceStruct.GetAllData().Find(p => p.WKID == wkid); |
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if (srs != null) |
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{ |
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this.SpatialReference = srs; |
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} |
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this.RecordCount = FeatureSource.FeatureCount(pQueryFilter); |
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// 获取图形类型 点 线 面 |
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this.GeometryType = (Mobile.Shape2KOTool.XSDClass.esriGeometryType)FeatureSource.ShapeType; |
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//计算最大范围 |
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if (envelope.IsEmpty) |
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{ |
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//当图层数据为空时，extent为空 |
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this.Extent = new Mobile.Shape2KOTool.XSDClass.EnvelopeN(); |
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} |
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else |
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{ |
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this.Extent = new Kingo.Mobile.Shape2KOTool.XSDClass.EnvelopeN() |
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{ |
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XMax = envelope.XMax, |
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XMin = envelope.XMin, |
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YMax = envelope.YMax, |
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YMin = envelope.YMin |
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}; |
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} |
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//创建DataTable |
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Table = new DataTable(); |
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foreach (var item in this.Fields) |
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{ |
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Table.Columns.Add(item.FieldName, typeof(object)); |
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} |
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//this.Table.Columns.Add("OBJECTID", typeof(int)); |
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this.Table.Columns.Add("SHAPE", typeof(string)); |
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dr = Table.NewRow(); |
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} |
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public ArcFeatureDataSource( IFeatureLayer featureLayer, ESRI.ArcGIS.Geometry.IGeometry queryGeometry, string where="") |
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{ |
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try |
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{ |
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//// 注册所有的驱动 |
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//Ogr.RegisterAll(); |
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//Gdal.AllRegister(); |
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////消除中文路径无法识别的问题 |
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//OSGeo.GDAL.Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES"); |
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////解决shape文件字段中文内容读取问题 |
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//OSGeo.GDAL.Gdal.SetConfigOption("SHAPE_ENCODING", "UTF-8"); |
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this.FeatureSource = featureLayer.FeatureClass; |
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if (!string.IsNullOrWhiteSpace(where)) |
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{ |
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this.pQueryFilter.WhereClause = where; |
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} |
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else |
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{ |
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this.pQueryFilter.WhereClause = (featureLayer as IFeatureLayerDefinition).DefinitionExpression; |
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} |
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IEnvelope envelope = (FeatureSource as IGeoDataset).Extent; |
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if (queryGeometry != null) |
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{ |
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pSpatialFilter = new SpatialFilterClass() { Geometry = queryGeometry, GeometryField = featureLayer.FeatureClass.ShapeFieldName, SpatialRel = esriSpatialRelEnum.esriSpatialRelContains, WhereClause = this.pQueryFilter.WhereClause }; |
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envelope = queryGeometry.Envelope; |
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} |
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else |
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{ |
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pSpatialFilter.WhereClause = where; |
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} |
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//获取字段 |
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this.Fields = new List<ShapeFieldInfo>(); |
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ILayerFields layerFields = featureLayer as ILayerFields; |
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for (int i = 0; i < FeatureSource.Fields.FieldCount; i++) |
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{ |
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IField field = FeatureSource.Fields.get_Field(i); |
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int index = layerFields.FindField(field.Name); |
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IFieldInfo fieldInfo = layerFields.get_FieldInfo(index); |
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if (!fieldInfo.Visible) |
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continue; |
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if (FeatureSource.ShapeFieldName == field.Name) |
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continue; |
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this.Fields.Add(ConvertArcFieldToShapeFieldInfo(FeatureSource.Fields.get_Field(i), fieldInfo.Alias)); |
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} |
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//增加SHAPE_AREA 字段 |
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//int areaIndex= layerFields.FindField("SHAPE_AREA"); |
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//if (areaIndex < 0) |
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//{ |
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// this.Fields.Add(new ShapeFieldInfo() { |
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// FieldName="SHAPE_AREA", |
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// FieldAlias = "SHAPE_AREA", |
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// FieldType= eFieldType.shpDouble |
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// }); |
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//} |
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//获取空间参考 |
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ISpatialReference spatialReference = (FeatureSource as IGeoDataset).SpatialReference; |
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int wkid = spatialReference.FactoryCode; |
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SpatialRefrenceStruct srs = SpatialRefrenceStruct.GetAllData().Find(p => p.WKID == wkid); |
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if (srs != null) |
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{ |
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this.SpatialReference = srs; |
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} |
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this.RecordCount = FeatureSource.FeatureCount(pQueryFilter); |
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// 获取图形类型 点 线 面 |
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this.GeometryType = (Mobile.Shape2KOTool.XSDClass.esriGeometryType)FeatureSource.ShapeType; |
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//计算最大范围 |
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if (envelope.IsEmpty) |
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{ |
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//当图层数据为空时，extent为空 |
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this.Extent = new Mobile.Shape2KOTool.XSDClass.EnvelopeN(); |
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} |
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else |
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{ |
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this.Extent = new Kingo.Mobile.Shape2KOTool.XSDClass.EnvelopeN() |
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{ |
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XMax = envelope.XMax, |
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XMin = envelope.XMin, |
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YMax = envelope.YMax, |
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YMin = envelope.YMin |
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}; |
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} |
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//创建DataTable |
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Table = new DataTable(); |
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foreach (var item in this.Fields) |
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{ |
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Table.Columns.Add(item.FieldName, typeof(object)); |
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} |
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//this.Table.Columns.Add("OBJECTID", typeof(int)); |
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this.Table.Columns.Add("SHAPE", typeof(string)); |
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dr = Table.NewRow(); |
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} |
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catch (Exception ex) |
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{ |
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LogAPI.Debug("获取图层信息失败：" + ex); |
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} |
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} |
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private DataTable Table = null; |
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private IFeatureCursor pFeatureCursor = null; |
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public void Close() |
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{ |
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if (pFeatureCursor != null) |
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{ |
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Marshal.ReleaseComObject(pFeatureCursor); |
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pFeatureCursor = null; |
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} |
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this.EOF = true; |
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} |
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public IFeatureClass FeatureSource { get; private set; } |
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public string DataSourcePath { get; set; } |
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public Dictionary<string, int> Distinct(string fieldName) |
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{ |
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Dictionary<string, int> values = new Dictionary<string, int>(); |
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//ICursor cursor = (ICursor)FeatureSource.Search(null, false); |
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//IDataStatistics dataStatistics = new DataStatisticsClass(); |
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//dataStatistics.Field = "Layer"; |
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//dataStatistics.Cursor = cursor; |
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//System.Collections.IEnumerator enumerator = dataStatistics.UniqueValues; |
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//enumerator.Reset(); |
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//while (enumerator.MoveNext()) |
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//{ |
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// object myObject = enumerator.Current; |
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// values.Add(myObject.ToString(), 0); |
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//} |
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////cursor = (ICursor)featureClass.Search(null, false); |
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//dataStatistics.Cursor = cursor; |
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//ESRI.ArcGIS.esriSystem.IStatisticsResults statisticsResults = dataStatistics.Statistics; |
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//Console.WriteLine("mean value - {0}", statisticsResults.Mean); |
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IDataset pDataset = FeatureSource as IDataset; |
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IQueryDef pQueryDef = (pDataset.Workspace.WorkspaceFactory as IFeatureWorkspace).CreateQueryDef(); |
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pQueryDef.SubFields = "count(*)," + fieldName; |
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pQueryDef.Tables = pDataset.Name + " group by " + fieldName; |
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ICursor pCur = pQueryDef.Evaluate(); |
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try |
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{ |
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IRow row = pCur.NextRow(); |
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while (row != null) |
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{ |
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values.Add(row.get_Value(1).ToString(), Convert.ToInt32(row.get_Value(0))); |
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} |
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} |
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finally |
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{ |
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Marshal.ReleaseComObject(pCur); |
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pCur = null; |
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Marshal.ReleaseComObject(pQueryDef); |
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pQueryDef = null; |
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} |
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return values; |
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} |
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public bool EOF { get; private set; } |
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public Mobile.Shape2KOTool.XSDClass.EnvelopeN Extent { get; private set; } |
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public List<Mobile.Shape2KOTool.ShapeFieldInfo> Fields { get; set; } |
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public Mobile.Shape2KOTool.XSDClass.esriGeometryType GeometryType { get; private set; } |
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public System.Data.DataTable GetAllRecord() |
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{ |
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throw new NotImplementedException(); |
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} |
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private IFeature pFeature = null; |
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public System.Data.DataRow GetNextRecord() |
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{ |
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if (EOF == true) |
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{ |
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throw new Exception("读取已经结束"); |
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} |
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if (pFeatureCursor == null) |
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{ |
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throw new Exception("没有打开数据"); |
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} |
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//DateTime dt1 = DateTime.Now; |
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//Console.WriteLine(DateTime.Now.ToString()); |
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DataRow row = ConvertFeature2DataRow(pFeature); |
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//DateTime dt2 = DateTime.Now; |
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//Console.WriteLine(dt2.Subtract(dt1).TotalMilliseconds.ToString()); |
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//释放资源 |
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Marshal.ReleaseComObject(pFeature); |
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pFeature = null; |
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pFeature = pFeatureCursor.NextFeature(); |
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if (pFeature == null) |
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{ |
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EOF = true; |
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} |
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//DateTime dt3 = DateTime.Now; |
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//Console.WriteLine(dt3.Subtract(dt2).TotalMilliseconds.ToString()); |
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//GC.Collect(); |
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//row.Delete(); |
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//row = null; |
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return row; |
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} |
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private System.Data.DataRow ConvertFeature2DataRow(IFeature feature) |
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{ |
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//DateTime dt1 = DateTime.Now; |
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//Console.WriteLine(DateTime.Now.ToString()); |
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//DataRow dr = Table.NewRow(); |
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foreach (DataColumn item in Table.Columns) |
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{ |
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int index = feature.Fields.FindField(item.ColumnName); |
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if (index > -1) |
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{ |
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dr[item] = feature.get_Value(index); |
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} |
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} |
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//DateTime dt2 = DateTime.Now; |
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//Console.WriteLine(dt2.Subtract(dt1).TotalMilliseconds.ToString()); |
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//if (feature.Shape.GeometryType == esriGeometryType.esriGeometryPolygon) |
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//{ |
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// IArea area = feature.Shape as IArea; |
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// if (area != null) |
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// dr["SHAPE_AREA"] = area.Area; |
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//} |
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//else |
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// dr["SHAPE_AREA"] = 0; |
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dr["SHAPE"] = GetShapeString(feature.ShapeCopy); |
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//DateTime dt3 = DateTime.Now; |
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//Console.WriteLine(dt3.Subtract(dt2).TotalMilliseconds.ToString()); |
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return dr; |
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} |
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private string GetShapeString(IGeometry geometry) |
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{ |
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byte[] wkb = ConvertGeometryToWKB(geometry); |
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OSGeo.OGR.Geometry rstGeometry = null; |
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try |
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{ |
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rstGeometry = OSGeo.OGR.Geometry.CreateFromWkb(wkb); |
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} |
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catch (Exception ex) |
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{ |
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LogAPI.Debug("rstGeometry：" + ex.Message); |
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} |
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string wkt = ""; |
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try |
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{ |
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rstGeometry.ExportToWkt(out wkt); |
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} |
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catch (Exception ex) |
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{ |
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LogAPI.Debug("rstGeometry.ExportToWkt：" + ex.Message); |
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} |
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return wkt; |
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if (geometry.GeometryType == esriGeometryType.esriGeometryPolygon) |
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{ |
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IPolygon polygon = geometry as IPolygon; |
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if (polygon == null || polygon.IsEmpty) |
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return "MULTIPOLYGON EMPTY"; |
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//"MULTIPOLYGON ((( 39496841.71395018 3996653.16102896, 39496672.94504374 3996656.38199206, 39496669.92898465 3996498.40799711, 39496838.69799109 3996495.18603399, 39496841.71395018 3996653.16102896)))" |
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IGeometryCollection pGeometryCollection = polygon as IGeometryCollection; |
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if (pGeometryCollection == null || pGeometryCollection.GeometryCount < 1) |
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return "MULTIPOLYGON EMPTY"; |
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StringBuilder sb = new StringBuilder("MULTIPOLYGON (("); |
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for (int i = 0; i < pGeometryCollection.GeometryCount; i++) |
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{ |
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if (pGeometryCollection.get_Geometry(i) is IRing) |
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{ |
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sb.Append("("); |
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IPointCollection pPoints = pGeometryCollection.get_Geometry(i) as IPointCollection; |
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for (int j = 0; j < pPoints.PointCount; j++) |
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{ |
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IPoint pt = pPoints.get_Point(j); |
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sb.AppendFormat("{0} {1},", pt.X, pt.Y); |
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} |
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sb.Remove(sb.Length - 1, 1); |
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sb.Append("),"); |
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} |
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} |
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sb.Remove(sb.Length - 1, 1); |
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sb.Append("))"); |
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return sb.ToString(); |
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} |
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else if (geometry.GeometryType == esriGeometryType.esriGeometryPoint) |
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{ |
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IPoint point = geometry as IPoint; |
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if (point == null) return "POINT EMPTY"; |
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return string.Format("POINT ( {0} {1})", point.X, point.Y); |
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} |
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else if (geometry.GeometryType == esriGeometryType.esriGeometryPolyline) |
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{ |
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IPolyline polygon = geometry as IPolyline; |
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if (polygon == null || polygon.IsEmpty) |
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return "MULTILINESTRING EMPTY"; |
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//"MULTIPOLYGON ((( 39496841.71395018 3996653.16102896, 39496672.94504374 3996656.38199206, 39496669.92898465 3996498.40799711, 39496838.69799109 3996495.18603399, 39496841.71395018 3996653.16102896)))" |
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IGeometryCollection pGeometryCollection = polygon as IGeometryCollection; |
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if (pGeometryCollection == null || pGeometryCollection.GeometryCount < 1) |
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return "MULTILINESTRING EMPTY"; |
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StringBuilder sb = new StringBuilder("MULTILINESTRING ("); |
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for (int i = 0; i < pGeometryCollection.GeometryCount; i++) |
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{ |
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if (pGeometryCollection.get_Geometry(i) is IPointCollection) |
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{ |
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sb.Append("("); |
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IPointCollection pPoints = pGeometryCollection.get_Geometry(i) as IPointCollection; |
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for (int j = 0; j < pPoints.PointCount; j++) |
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{ |
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IPoint pt = pPoints.get_Point(j); |
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sb.AppendFormat("{0} {1},", pt.X, pt.Y); |
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} |
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sb.Remove(sb.Length - 1, 1); |
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sb.Append("),"); |
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} |
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} |
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sb.Remove(sb.Length - 1, 1); |
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sb.Append(")"); |
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return sb.ToString(); ; |
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} |
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else |
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return "EMPTY"; |
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} |
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public byte[] ConvertGeometryToWKB(IGeometry geometry) |
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{ |
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IWkb wkb = geometry as IWkb; |
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//byte[] b = new byte[wkb.WkbSize]; |
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//int byte_count = wkb.WkbSize; |
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//try |
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//{ |
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// wkb.ExportToWkb(ref byte_count, out b[0]); |
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//} |
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//catch (Exception ex) |
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//{ |
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// Kingo.Mobile.Common.LogAPI.Debug(ex); |
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//} |
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//return b; |
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ITopologicalOperator oper = geometry as ITopologicalOperator; |
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oper.Simplify(); |
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IGeometryFactory3 factory = new GeometryEnvironment() as IGeometryFactory3; |
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byte[] b = factory.CreateWkbVariantFromGeometry(geometry) as byte[]; |
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return b; |
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} |
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//public string ConvertGeometryToWKT(IGeometry geometry) |
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//{ |
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// byte[] b = ConvertGeometryToWKB(geometry); |
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// WKBReader reader = new WKBReader(); |
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// GeoAPI.Geometries.IGeometry g = reader.Read(b); |
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// WKTWriter writer = new WKTWriter(); |
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// return writer.Write(g); |
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//} |
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public void Open() |
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{ |
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try |
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{ |
|
|
if (FeatureSource == null) |
|
|
{ |
|
|
throw new Exception("矢量数据为空！"); |
|
|
} |
|
|
|
|
|
if (pFeatureCursor != null) |
|
|
{ |
|
|
Marshal.ReleaseComObject(pFeatureCursor); |
|
|
pFeatureCursor = null; |
|
|
} |
|
|
|
|
|
if (pFeature != null) |
|
|
{ |
|
|
Marshal.ReleaseComObject(pFeature); |
|
|
pFeature = null; |
|
|
} |
|
|
|
|
|
pFeatureCursor = FeatureSource.Search(pSpatialFilter, false); |
|
|
pFeature = pFeatureCursor.NextFeature(); |
|
|
//防止没有记录 |
|
|
if (pFeature == null) |
|
|
{ |
|
|
EOF = true; |
|
|
} |
|
|
else |
|
|
{ |
|
|
EOF = false; |
|
|
} |
|
|
} |
|
|
catch (Exception ex) |
|
|
{ |
|
|
LogAPI.Debug("打开数据源失败：" + ex); |
|
|
} |
|
|
} |
|
|
|
|
|
private ShapeFieldInfo ConvertArcFieldToShapeFieldInfo(IField field, string aliasName) |
|
|
{ |
|
|
ShapeFieldInfo pShapeFieldInfo = new ShapeFieldInfo(); |
|
|
pShapeFieldInfo.FieldName = field.Name; |
|
|
pShapeFieldInfo.FieldAlias = aliasName; |
|
|
pShapeFieldInfo.FieldSize = (short)field.Length; |
|
|
pShapeFieldInfo.FieldDecimal = (short)field.Scale; |
|
|
switch (field.Type) |
|
|
{ |
|
|
case esriFieldType.esriFieldTypeInteger: |
|
|
case esriFieldType.esriFieldTypeSmallInteger: |
|
|
pShapeFieldInfo.FieldType = eFieldType.shpInteger; |
|
|
break; |
|
|
case esriFieldType.esriFieldTypeDouble: |
|
|
case esriFieldType.esriFieldTypeSingle: |
|
|
pShapeFieldInfo.FieldType = eFieldType.shpDouble; |
|
|
break; |
|
|
case esriFieldType.esriFieldTypeString: |
|
|
case esriFieldType.esriFieldTypeGlobalID: |
|
|
case esriFieldType.esriFieldTypeGUID: |
|
|
case esriFieldType.esriFieldTypeOID: |
|
|
case esriFieldType.esriFieldTypeXML: |
|
|
case esriFieldType.esriFieldTypeDate: |
|
|
pShapeFieldInfo.FieldType = eFieldType.shpText; |
|
|
break; |
|
|
|
|
|
//pShapeFieldInfo.FieldType = eFieldType.shpDate; |
|
|
break; |
|
|
default: |
|
|
pShapeFieldInfo.FieldType = eFieldType.shpText; |
|
|
break; |
|
|
} |
|
|
return pShapeFieldInfo; |
|
|
} |
|
|
|
|
|
public int RecordCount { get; private set; } |
|
|
|
|
|
public void Reset() |
|
|
{ |
|
|
if (pFeatureCursor != null) |
|
|
{ |
|
|
Marshal.ReleaseComObject(pFeatureCursor); |
|
|
pFeatureCursor = null; |
|
|
} |
|
|
|
|
|
if (pFeature != null) |
|
|
{ |
|
|
Marshal.ReleaseComObject(pFeature); |
|
|
pFeature = null; |
|
|
} |
|
|
pFeatureCursor = FeatureSource.Search(pQueryFilter, false); |
|
|
pFeature = pFeatureCursor.NextFeature(); |
|
|
//防止没有记录 |
|
|
if (pFeature == null) |
|
|
{ |
|
|
EOF = true; |
|
|
} |
|
|
else |
|
|
{ |
|
|
EOF = false; |
|
|
} |
|
|
} |
|
|
|
|
|
public Mobile.Shape2KOTool.SpatialRefrenceStruct SpatialReference { get; private set; } |
|
|
} |
|
|
}
|
|
|
|
