/// <summary>
/// 创建空间图层
/// </summary>
/// <param name="tableStructureNode">VCT表结构节点</param>
/// <param name="featureCodeNode">VCT要素编码节点</param>
private FeatureLayer CreateFeatureLayer(TableStructureNode tableStructureNode, FeatureCodeNode featureCodeNode)
{
try
{
FeatureLayer featureLayer = null;
///获取要素集
IFeatureDataset featureDataset = m_pIDataset as IFeatureDataset;
//从配置文件读取图形类型
string sGeometryType = "";
Metadata.MetaTable pMetaTalbe = Metadata.MetaDataFile.MetaTabls[tableStructureNode.TableName] as Metadata.MetaTable;
if (pMetaTalbe != null)
{
sGeometryType = Metadata.MetaDataFile.GraphConfig.GetGraphTypeMark(pMetaTalbe.Type);
}
else
{
Logger.WriteLog("未能获取【" + tableStructureNode.TableName + "】的图形类型！");
return null;
}
///创建点实体
if (sGeometryType == "Point")
{
featureLayer = new PointLayer();
}
///创建线实体
else if (sGeometryType == "Line")
{
featureLayer = new LineLayer();
}
///创建面实体
else if (sGeometryType == "Polygon")
{
featureLayer = new PolygonLayer();
}
else if (sGeometryType == "Annotation")
{
featureLayer = new AnnotationLayer();
}
if (featureLayer != null)
{
featureLayer.StructureNode = tableStructureNode;
IFeatureClass pFcls = CreateFeatureClass(featureDataset, tableStructureNode, featureCodeNode);
featureLayer.Table = pFcls as ITable;
featureLayer.UpdateFieldIndex();
return featureLayer;
}
}
catch(Exception ex)
{
Logger.WriteErrorLog(ex);
}
return null;
}
/// <summary>
/// ��mdb��vctת��ʱ����ʼ��ͼ���б�
/// </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 = "";
///�������ļ���ȡҪ������
Metadata.MetaTable pMetaTable = Metadata.MetaDataFile.MetaTabls[pSet.Name] as Metadata.MetaTable;
if (pMetaTable != null)
{
sGeometryType = pMetaTable.Type;
}
else
{
///��������ڱ�����������
pSet = pEnumDataset.Next();
continue;
}
///����Ҫ�����ʹ���vct�ռ����ݽڵ�
esriGeometryType pFeatureType = pFeatureCls.ShapeType;
if (pFeatureType == esriGeometryType.esriGeometryLine
|| pFeatureType == esriGeometryType.esriGeometryPolyline)
{
///�����߽ڵ�
pFeatureLayer = new LineLayer();
if (sGeometryType == "")
sGeometryType = "Line";
}
else if (pFeatureType == esriGeometryType.esriGeometryPolygon)
{
//������ڵ�
pFeatureLayer = new PolygonLayer();
if (sGeometryType == "")
sGeometryType = "Polygon";
}
else if (pFeatureType == esriGeometryType.esriGeometryPoint)
{
pFeatureLayer = new PointLayer();
if (sGeometryType == "")
sGeometryType = "Point";
}
////ע��ͼ��
if (pFeatureCls.FeatureType == esriFeatureType.esriFTAnnotation)
{
pFeatureLayer = new AnnotationLayer();
pFeatureLayer.GeometryType = "Annotation";
}
pFeatureLayer.CutGeometry =m_cutGeometry;
//�ҽӿռ����ݱ�
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();
}
///�������Ա����
IEnumDataset pAttriTalbelDataSet= m_pIWorkspace.get_Datasets(esriDatasetType.esriDTTable);
IDataset pAttriDataset = pAttriTalbelDataSet.Next();
while (pAttriDataset != null)
{
TableLayer pAttributeTalbe = new TableLayer();
///�������ļ���ȡҪ������
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;
}
}
/// <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;
}
}
/*
/// <summary>
/// 处理面实体中引用线对象的标识码
/// </summary>
/// <param name="arrLineNode">VCT线实体节点集合</param>
/// <param name="arrFeatureCode">关联图层要素编码集合</param>
/// <param name="arrLineNodeEx">VCT面实体中的线实体节点集合</param>
private void MatchPolygonToLine(ref List<FileData.LineNode> arrLineNode, List<string> arrFeatureCode, ref List<FileData.LineNodeEx> arrLineNodeEx)
{
if (arrFeatureCode != null && arrFeatureCode.Count > 0)
{
List<FileData.LineNode> arrLinkLineNode = new List<FileData.LineNode>();
for (int i = 0; i < arrLineNode.Count; i++)
{
if (arrFeatureCode.Contains(arrLineNode[i].FeatureCode))
{
arrLinkLineNode.Add(arrLineNode[i]);
}
}
if (arrLinkLineNode.Count > 0)
{
//排序
arrLinkLineNode.Sort();
arrLineNodeEx.Sort();
//更新构面线的标识码
int j = 0;
for (int i = 0; i < arrLinkLineNode.Count; i++)
{
for (; j < arrLineNodeEx.Count; j++)
{
//必须是未找到标识码的
if (arrLineNodeEx[j].EntityID == -1)
{
if (arrLinkLineNode[i] == arrLineNodeEx[j])
{
arrLineNodeEx[j].IsFromLine = true;
arrLineNodeEx[j].EntityID = arrLinkLineNode[i].EntityID;
}
else if (arrLinkLineNode[i] > arrLineNodeEx[j])
{
}
else
{
break;
}
}
}
}
//反向
List<FileData.LineNodeEx> arrLineNodeExReverse = new List<FileData.LineNodeEx>();
for (int i = 0; i < arrLineNodeEx.Count; i++)
{
//必须是未找到标识码的
if (arrLineNodeEx[i].EntityID == -1)
{
FileData.LineNodeEx lineNodeEx = arrLineNodeEx[i];
lineNodeEx.Reverse();
arrLineNodeExReverse.Add(lineNodeEx);
}
}
arrLineNodeExReverse.Sort();//反向后排序
j = 0;
for (int i = 0; i < arrLinkLineNode.Count; i++)
{
for (; j < arrLineNodeExReverse.Count; j++)
{
if (arrLinkLineNode[i] == arrLineNodeExReverse[j])
{
arrLineNodeExReverse[j].IsFromLine = true;
arrLineNodeExReverse[j].EntityID = arrLinkLineNode[i].EntityID;
}
else if (arrLinkLineNode[i] > arrLineNodeExReverse[j])
{
}
else
{
break;
}
}
}
arrLineNodeEx.Clear();
for (int i = 0; i < arrLineNodeExReverse.Count; i++)
{
//必须是未找到标识码的
if (arrLineNodeExReverse[i].EntityID == -1)
{
arrLineNodeEx.Add(arrLineNodeExReverse[i]);
}
}
}
}
return arrLineNodeEx;
}
*/
//public FileData.LineNodeEx CloneLineNodeEx(FileData.LineNodeEx lineNodeExSource)
//{
// //m_InitiallyLineNode = this;
// try
// {
// MemoryStream stream = new MemoryStream();
// BinaryFormatter formatter = new BinaryFormatter();
// formatter.Serialize(stream, lineNodeExSource);
// stream.Position = 0;
// FileData.LineNodeEx lineNodeEx = formatter.Deserialize(stream) as FileData.LineNodeEx;
// lineNodeEx.InitiallyLineNode = lineNodeExSource;
// return lineNodeEx;
// }
// catch (Exception ex)
// {
// LogAPI.WriteErrorLog(ex);
// }
// /*
// try
// {
// FileData.LineNodeEx lineNodeEx = new FileData.LineNodeEx();
// lineNodeEx.IsReverse = lineNodeExSource.IsReverse;
// lineNodeEx.PolygonID = lineNodeExSource.PolygonID;
// lineNodeEx.LineIndex = lineNodeExSource.LineIndex;
// lineNodeEx.IsFromLine = lineNodeExSource.IsFromLine;
// lineNodeEx.LineType = lineNodeExSource.LineType;
// lineNodeEx.SegmentNodes = new FileData.SegmentNodes();
// for (int i = 0; i < lineNodeExSource.SegmentNodes.Count; i++)
// {
// lineNodeEx.SegmentNodes.Add(lineNodeExSource.SegmentNodes[i]);
// //BrokenLineNode brokenLineNode1 = this.SegmentNodes[i] as BrokenLineNode;
// //if (brokenLineNode1 != null)
// //{
// // BrokenLineNode brokenLineNode2 = new BrokenLineNode();
// // brokenLineNode2.PointInfoNodes = new PointInfoNodes();
// // for (int j = 0; j < brokenLineNode1.PointInfoNodes.Count; j++)
// // {
// // PointInfoNode pointInfoNode = new PointInfoNode();
// // pointInfoNode.X = brokenLineNode1.PointInfoNodes[j].X;
// // pointInfoNode.Y = brokenLineNode1.PointInfoNodes[j].Y;
// // brokenLineNode2.PointInfoNodes.Add(pointInfoNode);
// // }
// // lineNodeEx.SegmentNodes.Add(brokenLineNode2);
// //}
// }
// lineNodeEx.EntityID = lineNodeExSource.EntityID;
// lineNodeEx.FeatureCode = lineNodeExSource.FeatureCode;
// lineNodeEx.Representation = lineNodeExSource.Representation;
// lineNodeEx.InitiallyLineNode = lineNodeExSource;
// return lineNodeEx;
// }
// catch (Exception ex)
// {
// LogAPI.WriteErrorLog(ex);
// }*/
// return null;
//}
/*
/// <summary>
/// 处理面实体中引用线对象的标识码
/// </summary>
/// <param name="arrLineNodeExNew">VCT面实体中的线实体节点集合（需要新建）</param>
private void MatchPolygonToLine(ref List<FileData.LineNodeEx> arrLineNodeExNew)
{
List<FileData.LineNodeEx> arrLineNodeNewClone = new List<VCT.FileData.LineNodeEx>();
for (int i = 0; i < arrLineNodeExNew.Count; i++)
{
//克隆对象，并反向
FileData.LineNodeEx lineNodeEx = CloneLineNodeEx(arrLineNodeExNew[i]);//.Clone() as FileData.LineNodeEx;
if (lineNodeEx != null)
{
lineNodeEx.Reverse();
arrLineNodeNewClone.Add(lineNodeEx);
}
}
arrLineNodeExNew.Sort();
arrLineNodeNewClone.Sort();
int j = 0;
for (int i = 0; i < arrLineNodeExNew.Count; i++)
{
if (arrLineNodeExNew[i].EntityID == -1)
{
//需要创建要素编码
arrLineNodeExNew[i].EntityID = this.m_nNewEntityID;
////未做合并处理
//m_VCTFile.WritePolygonLineNode(arrLineNodeExNew[i]);
}
for (; j < arrLineNodeNewClone.Count; j++)
{
if (arrLineNodeNewClone[j].InitiallyLineNode.EntityID == -1)
{
if (arrLineNodeExNew[i] == arrLineNodeNewClone[j])
{
arrLineNodeNewClone[j].InitiallyLineNode.EntityID = arrLineNodeExNew[i].EntityID;
arrLineNodeNewClone[j].InitiallyLineNode.Reverse();
//arrLineNodeNewClone[j].InitiallyLineNode.IsReverse = arrLineNodeNewClone[j].IsReverse;
arrLineNodeNewClone[j].InitiallyLineNode.OtherPolygonLineNode = arrLineNodeExNew[i];
arrLineNodeExNew[i].OtherPolygonLineNode = arrLineNodeNewClone[j].InitiallyLineNode;
}
if (arrLineNodeExNew[i] > arrLineNodeNewClone[j])
{
}
else
{
break;
}
}
}
}
//for (int i = 0; i < arrLineNodeExNew.Count; i++)
//{
// if ((arrLineNodeExNew[i].InitiallyLineNode == null && arrLineNodeExNew[i].EntityID == -1) || //非克隆对象
// (arrLineNodeExNew[i].InitiallyLineNode != null && arrLineNodeExNew[i].InitiallyLineNode.EntityID == -1)) //克隆对象
// {
// if (i > 0)
// {
// if (arrLineNodeExNew[i] == arrLineNodeExNew[i - 1])
// {
// arrLineNodeExNew[i].EntityID = arrLineNodeExNew[i - 1].EntityID;
// if (arrLineNodeExNew[i].InitiallyLineNode != null)
// {
// //arrLineNodeExNew[i]是克隆对象，需要更新原始对象的标识码和方向标识
// arrLineNodeExNew[i].InitiallyLineNode.EntityID = arrLineNodeExNew[i].EntityID;
// arrLineNodeExNew[i].InitiallyLineNode.IsReverse = arrLineNodeExNew[i].IsReverse;
// }
// continue;
// }
// }
// //需要创建要素编码
// arrLineNodeExNew[i].EntityID = this.NewEntityID;
// if (arrLineNodeExNew[i].InitiallyLineNode != null)
// {
// //arrLineNodeExNew[i]是克隆对象，需要更新原始对象的标识码和方向标识
// arrLineNodeExNew[i].InitiallyLineNode.EntityID = arrLineNodeExNew[i].EntityID;
// arrLineNodeExNew[i].InitiallyLineNode.IsReverse = arrLineNodeExNew[i].IsReverse;
// }
// m_VCTFile.WritePolygonLineNode(arrLineNodeExNew[i]);
// }
//}
}
*/
///// <summary>
///// 处理面实体中引用线对象的标识码
///// </summary>
///// <param name="arrLineNode">VCT线实体节点集合</param>
//private void WritePolygonLineNodes(ref List<FileData.LineNodeEx> arrLineNode)
//{
// ////按标识码、在面的边界线集合中的索引排序
// FileData.LineNodeExComparer lineNodeExComparer = new FileData.LineNodeExComparer();
// arrLineNode.Sort(lineNodeExComparer);
// FileData.LineNodeEx lineNode = null;
// for (int i = 0; i < arrLineNode.Count; i++)
// {
// if (lineNode == null)
// {
// lineNode = arrLineNode[i];
// }
// else
// {
// if (arrLineNode[i].EntityID == lineNode.EntityID)
// {
// lineNode.SegmentNodes.AddRange(arrLineNode[i].SegmentNodes);
// }
// else
// {
// m_VCTFile.WritePolygonLineNode(lineNode);
// lineNode = arrLineNode[i];
// }
// if (i == arrLineNode.Count - 1)
// {
// m_VCTFile.WritePolygonLineNode(lineNode);
// }
// }
// }
//}
/// <summary>
/// 执行转换
/// </summary>
public EnumMDB2VCTExchangeInfo Exchange()
{
///指示当前转换的执行位置
int nExcutePosition = 0;
///1.表结构 2.点 3.线 4.面
try
{
//获取PGDB数据集
m_dataset = m_MDBFile.GetDataset();
if (m_dataset != null)
{
//获取当前数据的最大实体标识码
this.m_nNewEntityID = m_dataset.GetMaxEntityID() + 1;
//获取VCT头节点
ESRIData.Projection projection = m_dataset.GetProjection();
if (projection != null)
{
FileData.HeadNode headNode = projection.GetHeadNode();
///生成头文件错误
if (headNode == null)
{
return EnumMDB2VCTExchangeInfo.HEADFILEERROR;
}
//1、写入VCT头节点
m_VCTFile.WriteHeadNode(headNode);
//获取图层集合
ESRIData.TableLayer tableLayer;
m_nLayerCount = m_dataset.GetLayerCount();
List<FileData.FeatureCodeNode> arrFeatureCodeNode = new List<FileData.FeatureCodeNode>();
List<FileData.TableStructureNode> arrTableStructureNode = new List<FileData.TableStructureNode>();
nExcutePosition++;
for (int i = 0; i < m_nLayerCount; i++)
{
//获取图层对象
tableLayer = m_dataset.GetFeatureLayerByIndex(i);
//获取图层要素参数信息
FileData.FeatureCodeNode featureCodeNode = tableLayer.GetFeatureCodeNode();
arrFeatureCodeNode.Add(featureCodeNode);
//获取图层表结构信息
FileData.TableStructureNode tableStructureNode = tableLayer.StructureNode;
arrTableStructureNode.Add(tableStructureNode);
}
//2、写入VCT要素参数节点
m_VCTFile.WriteFeatureCodeNodes(arrFeatureCodeNode);
//3、写入VCT表结构节点
m_VCTFile.WriteTableStructureNode(arrTableStructureNode);
///释放不在使用的对象，减少内存使用率 add by 曾平
//m_VCTFile.Flush();
arrFeatureCodeNode.Clear();
arrTableStructureNode.Clear();
nExcutePosition++;
//4、写入点实体节点
for (int i = 0; i < m_nLayerCount; i++)
{
//获取图层对象
tableLayer = m_dataset.GetFeatureLayerByIndex(i);
ESRIData.PointLayer pointLayer = tableLayer as ESRIData.PointLayer;
if (pointLayer != null)
{
if (pointLayer.FeatureEntys != null)
{
for (int j = 0; j < pointLayer.FeatureEntys.Count; j++)
{
m_VCTFile.WritePointNode(pointLayer.FeatureEntys[j].GetEntityNode() as FileData.PointNode);
}
}
}
}
nExcutePosition++;
////5、写入线实体节点
//List<FileData.LineNode> arrLineNode = new List<FileData.LineNode>();
for (int i = 0; i < m_nLayerCount; i++)
{
//获取图层对象
tableLayer = m_dataset.GetFeatureLayerByIndex(i);
ESRIData.LineLayer lineLayer = tableLayer as ESRIData.LineLayer;
if (lineLayer != null)
{
if (lineLayer.FeatureEntys != null)
{
for (int j = 0; j < lineLayer.FeatureEntys.Count; j++)
{
FileData.LineNode lineNode = lineLayer.FeatureEntys[j].GetEntityNode() as FileData.LineNode;
if (lineNode != null)
{
m_VCTFile.WriteLineNode(lineNode);
}
}
}
}
}
////处理面实体中引用线对象的标识码
////List<FileData.PolygonNode> arrPolygonNode = MatchPolygonToLine(dataset, ref arrLineNode);
////6、写入面实体节点
nExcutePosition++;
WritePolygonNodes pWritePolygonNodes = new WritePolygonNodes(m_dataset, this.m_pTempFile, this.m_VCTFile, this.m_nNewEntityID);
//pWritePolygonNodes.WriteCommplete += new WriteCommpleteEventHandler(WritePolygonNodes_WriteCommplete);
pWritePolygonNodes.Write();
WritePolygonNodes_WriteCommplete(true);
return EnumMDB2VCTExchangeInfo.EXCHANGESUCCESS;
}
else
{
return EnumMDB2VCTExchangeInfo.PROJCTIONERROR;
}
}
else
{
return EnumMDB2VCTExchangeInfo.DATASETERROR;
}
}
catch(Exception ex)
{
LogAPI.WriteErrorLog(ex);
EnumMDB2VCTExchangeInfo pInfo = EnumMDB2VCTExchangeInfo.EXCHANGUNKNOWEERROR;
if (nExcutePosition == 1)
pInfo = EnumMDB2VCTExchangeInfo.FEATUREINFOERROR;
else if (nExcutePosition == 2)
pInfo = EnumMDB2VCTExchangeInfo.POINTERROR;
else if (nExcutePosition == 3)
pInfo = EnumMDB2VCTExchangeInfo.LINEERROR;
else if (nExcutePosition == 4)
pInfo = EnumMDB2VCTExchangeInfo.PLOYGONERROR;
return pInfo;
}
}
/// <summary>
/// �����ռ�ͼ��
/// </summary>
/// <param name="tableStructureNode">VCT��ṹ�ڵ�</param>
/// <param name="featureCodeNode">VCTҪ�ر���ڵ�</param>
private FeatureLayer CreateFeatureLayer(TableStructureNode tableStructureNode, FeatureCodeNode featureCodeNode)
{
try
{
FeatureLayer featureLayer = null;
///��ȡҪ�ؼ�
IFeatureDataset featureDataset = m_pIDataset as IFeatureDataset;
//�������ļ���ȡͼ������
string sGeometryType = "";
Metadata.MetaTable pMetaTalbe = Metadata.MetaDataFile.MetaTabls[tableStructureNode.TableName] as Metadata.MetaTable;
if (pMetaTalbe != null)
{
sGeometryType = Metadata.MetaDataFile.GraphConfig.GetGraphTypeMark(pMetaTalbe.Type);
}
else
{
LogAPI.WriteLog("δ�ܻ�ȡ��" + tableStructureNode.TableName + "����ͼ�����ͣ�");
return null;
}
///������ʵ��
if (sGeometryType == "Point")
{
featureLayer = new PointLayer();
}
///������ʵ��
else if (sGeometryType == "Line")
{
featureLayer = new LineLayer();
}
///������ʵ��
else if (sGeometryType == "Polygon")
{
featureLayer = new PolygonLayer();
}
else if (sGeometryType == "Annotation")
{
featureLayer = new AnnotationLayer();
}
if (featureLayer != null)
{
featureLayer.StructureNode = tableStructureNode;
IFeatureClass pFcls = CreateFeatureClass(featureDataset, tableStructureNode, featureCodeNode);
featureLayer.Table = pFcls as ITable;
featureLayer.UpdateFieldIndex();
return featureLayer;
}
}
catch(Exception ex)
{
LogAPI.WriteErrorLog(ex);
}
return null;
}