/// <summary>
/// 获取要素代码节点
/// </summary>
/// <returns></returns>
public virtual FeatureCodeNode GetFeatureCodeNode()
{
try
{
FeatureCodeNode pFeatureCodeNode = new FeatureCodeNode();
///如果是空间数据
if (m_pITable is IFeatureClass)
{
///要素名称
pFeatureCodeNode.FeatureName = (m_pITable as IObjectClass).AliasName;
//要素代码
string sAttriTableName = (m_pITable as IDataset).Name;
pFeatureCodeNode.FeatureCode = MetaDataFile.GetFeatureCodeByName(sAttriTableName);
///获取要素类型
if ((m_pITable as IFeatureClass).FeatureType != esriFeatureType.esriFTAnnotation)
{
switch ((m_pITable as IFeatureClass).ShapeType)
{
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryLine:
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline:
pFeatureCodeNode.GeometryType = Metadata.MetaDataFile.GraphConfig.GetGraphTypeMark("Line");
break;
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryMultipoint:
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPoint:
pFeatureCodeNode.GeometryType = Metadata.MetaDataFile.GraphConfig.GetGraphTypeMark("Point");
break;
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolygon:
pFeatureCodeNode.GeometryType = Metadata.MetaDataFile.GraphConfig.GetGraphTypeMark("Polygon");
break;
case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryNull:
pFeatureCodeNode.GeometryType = Metadata.MetaDataFile.GraphConfig.GetGraphTypeMark("NoneGeometry");
break;
default:
break;
}
}
else
{
pFeatureCodeNode.GeometryType = Metadata.MetaDataFile.GraphConfig.GetGraphTypeMark("Annotation");
}
///数据表名称
pFeatureCodeNode.TableName = sAttriTableName;
///获取标识码字段
string sKeyFieldName = "";
sKeyFieldName = Metadata.MetaDataFile.GetEntityIDFieldName(sAttriTableName);
if (sKeyFieldName != "")
{
m_strEntityFieldName = sKeyFieldName;
}
////获取要素代码字段
sKeyFieldName = Metadata.MetaDataFile.GetYSDMFieldName(sAttriTableName);
if (sKeyFieldName != "")
{
m_strSYDMFieldName = sKeyFieldName;
}
}
///如果是属性数据
else if (m_pITable != null)
{
pFeatureCodeNode.FeatureName = (m_pITable as IObjectClass).AliasName;
string sAttriTableName = (m_pITable as IDataset).Name;
pFeatureCodeNode.FeatureCode = MetaDataFile.GetFeatureCodeByName(sAttriTableName);
///数据表名称
pFeatureCodeNode.TableName = sAttriTableName;
pFeatureCodeNode.GeometryType = Metadata.MetaDataFile.GraphConfig.GetGraphTypeMark("NoneGeometry");
}
return(pFeatureCodeNode);
}
catch (Exception ex)
{
LogAPI.WriteErrorLog(ex);
return(null);
}
}
/// <summary>
/// 从mdb到vct转换时，初始化图层列表
/// </summary>
private bool InitialFeatureList()
{
try
{
if (m_pIDataset == null)
return false;
m_FeatureList = new List<TableLayer>();
IEnumDataset pEnumDataset = m_pIDataset.Subsets;
IDataset pSet = pEnumDataset.Next();
while (pSet != null)
{
FeatureLayer pFeatureLayer = null;
IFeatureClass pFeatureCls = pSet as IFeatureClass;
string sGeometryType = "";
///从配置文件获取要素类型
Metadata.MetaTable pMetaTable = Metadata.MetaDataFile.MetaTabls[pSet.Name] as Metadata.MetaTable;
if (pMetaTable != null)
{
sGeometryType = pMetaTable.Type;
}
else
{
///如果不属于标准的数据则不处理
pSet = pEnumDataset.Next();
continue;
}
///根据要素类型创建vct空间数据节点
esriGeometryType pFeatureType = pFeatureCls.ShapeType;
if (pFeatureType == esriGeometryType.esriGeometryLine
|| pFeatureType == esriGeometryType.esriGeometryPolyline)
{
///构造线节点
pFeatureLayer = new LineLayer();
if (sGeometryType == "")
sGeometryType = "Line";
}
else if (pFeatureType == esriGeometryType.esriGeometryPolygon)
{
//构造面节点
pFeatureLayer = new PolygonLayer();
if (sGeometryType == "")
sGeometryType = "Polygon";
}
else if (pFeatureType == esriGeometryType.esriGeometryPoint)
{
pFeatureLayer = new PointLayer();
if (sGeometryType == "")
sGeometryType = "Point";
}
////注记图层
if (pFeatureCls.FeatureType == esriFeatureType.esriFTAnnotation)
{
pFeatureLayer = new AnnotationLayer();
pFeatureLayer.GeometryType = "Annotation";
}
pFeatureLayer.CutGeometry =m_cutGeometry;
//挂接空间数据表
pFeatureLayer.Table = pSet as ITable;
pFeatureLayer.GeometryType = sGeometryType;
pFeatureLayer.IsCut = m_bCut;
pFeatureLayer.FeatureCode = MetaDataFile.GetFeatureCodeByName(pSet.Name);
pFeatureLayer.UpdateFieldIndex();
m_FeatureList.Add(pFeatureLayer);
pSet = pEnumDataset.Next();
}
///处理属性表集合
IEnumDataset pAttriTalbelDataSet= m_pIWorkspace.get_Datasets(esriDatasetType.esriDTTable);
IDataset pAttriDataset = pAttriTalbelDataSet.Next();
while (pAttriDataset != null)
{
TableLayer pAttributeTalbe = new TableLayer();
///从配置文件获取要素类型
Metadata.MetaTable pMetaTable = Metadata.MetaDataFile.MetaTabls[pAttriDataset.Name] as Metadata.MetaTable;
if (pMetaTable != null)
{
pAttributeTalbe.GeometryType = pMetaTable.Type;
pAttributeTalbe.Table = pAttriDataset as ITable;
pAttributeTalbe.UpdateFieldIndex();
m_FeatureList.Add(pAttributeTalbe);
}
pAttriDataset = pAttriTalbelDataSet.Next();
}
return true;
}
catch (Exception ex)
{
LogAPI.WriteErrorLog(ex);
return false;
}
}