/// <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;
}
}
private void WritePolygonNodes_WriteCommplete(bool IsSuccessful)
{
ESRIData.TableLayer tableLayer;
ESRIData.FeatureLayer featureLayer;
//for (int i = 0; i < arrPolygonNode.Count; i++)
//{
// m_VCTFile.WritePolygonNode(arrPolygonNode[i]);
//}
//7、写入注记实体节点
for (int i = 0; i < m_nLayerCount; i++)
{
//获取图层对象
tableLayer = m_dataset.GetFeatureLayerByIndex(i);
ESRIData.AnnotationLayer annotationLayer = tableLayer as ESRIData.AnnotationLayer;
if (annotationLayer != null)
{
if (annotationLayer.FeatureEntys == null) continue;
for (int j = 0; j < annotationLayer.FeatureEntys.Count; j++)
{
m_VCTFile.WriteAnnotationNode(annotationLayer.FeatureEntys[j].GetEntityNode() as FileData.AnnotationNode);
////add by 曾平
//if (j % 1000 == 0)
// m_VCTFile.Flush();
}
//m_VCTFile.Flush();
}
}
//8、写入表属性记录节点
for (int i = 0; i < m_nLayerCount; i++)
{
//获取图层对象
tableLayer = m_dataset.GetFeatureLayerByIndex(i);
featureLayer = tableLayer as ESRIData.FeatureLayer;
if (featureLayer != null)
{
int j = 0;
m_VCTFile.WriteTableNode(featureLayer.GetTableNode());
if (featureLayer.FeatureEntys == null) continue;
for (j = 0; j < featureLayer.FeatureEntys.Count; j++)
{
m_VCTFile.WriteRecordNode(featureLayer.FeatureEntys[j].GetRecordNode(featureLayer.StructureNode), false);
}
//if (j < arrFeatureEntity.Count)
// m_VCTFile.WriteRecordNode(arrFeatureEntity[j].GetRecordNode(), true);
//else
// m_VCTFile.WriteRecordNode(null, true);
//m_VCTFile.Flush();
}
else if (tableLayer != null)
{
m_VCTFile.WriteTableNode(tableLayer.GetTableNode());
if (tableLayer.RecordNodes != null)
{
foreach (FileData.RecordNode pRecorditem in tableLayer.RecordNodes)
{
m_VCTFile.WriteRecordNode(pRecorditem, false);
}
}
//m_VCTFile.Flush();
}
///写入属性表结束标签
m_VCTFile.WriteRecordNode(null, true);
}
//写入其他节点
m_VCTFile.WriteVarcharNode();
m_VCTFile.WriteStyleNode();
m_VCTFile.CloseFile();
//if (WriteCommplete != null)
// WriteCommplete(true);
//return true
}
/// <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;
}