/// <summary>
/// 获取网络数据
/// </summary>
/// <param name="netCollection"></param>
/// <param name="index"></param>
/// <returns></returns>
public static IGeometricNetwork GetGeometricNetWork(INetworkCollection netCollection, int index)
{
if (index < 0 || index >= netCollection.GeometricNetworkCount)
{
throw new Exception("索引异常");
}
IGeometricNetwork pGeoNet = netCollection.get_GeometricNetwork(index);
return(pGeoNet);
}
/// <summary>
/// 获取网络数据
/// </summary>
/// <param name="netCollection"></param>
/// <param name="index"></param>
/// <returns></returns>
public static IGeometricNetwork GetGeometricNetWork(string dbFileName, string datasetName, int index)
{
INetworkCollection netCollection = OpenNetworkCollection(dbFileName, datasetName);
if (index < 0 || index >= netCollection.GeometricNetworkCount)
{
throw new Exception("索引异常");
}
IGeometricNetwork pGeoNet = netCollection.get_GeometricNetwork(index);
return(pGeoNet);
}
public static bool AddDataset(ref IBasicMap pBasicMap, IDatasetName pDatasetName, List <IDataset> m_DatasetCol, bool blnAddData)
{
bool functionReturnValue = false;
functionReturnValue = false;
////如果是特征数据集,则添加里边的所有要素类
IFeatureDataset pFeatDS = default(IFeatureDataset);
IEnumDataset pEnumDataSet = default(IEnumDataset);
IDataset pDataset = default(IDataset);
IFeatureClass pFeatCls = default(IFeatureClass);
IFeatureLayer pFeatLayer = default(IFeatureLayer);
IName pName = default(IName);
ILayer pLayer = default(ILayer);
ITopologyLayer pTopoLayer = default(ITopologyLayer);
//Dim pEnumLyr As IEnumLayer
ITinWorkspace pTinWS = default(ITinWorkspace);
IEnumFeatureClass pEnumFeatCls = null;
IRasterCatalogDisplayProps pRasterCatalogPro = default(IRasterCatalogDisplayProps);
//WHFErrorHandle.clsErrorHandle pfrmError = new WHFErrorHandle.clsErrorHandle();
if (pDatasetName is IFeatureDatasetName)
{
pName = (IName)pDatasetName;
pFeatDS = (IFeatureDataset)pName.Open();
pEnumDataSet = pFeatDS.Subsets;
pDataset = pEnumDataSet.Next();
m_DatasetCol.Add(pDataset);
if (pDataset == null)
{
return(functionReturnValue);
}
////根据数据集的类型,添加特征数据集中的所有要素类(拓扑,一般的,栅格目录,网络)
while ((pDataset != null))
{
if (pDataset.Type == esriDatasetType.esriDTFeatureClass)
{
pFeatLayer = null;
if (pFeatLayer == null)
{
pFeatLayer = new FeatureLayer();
pFeatCls = (IFeatureClass)pDataset;
pFeatLayer.Name = pFeatCls.AliasName;
pFeatLayer.FeatureClass = pFeatCls;
}
if (pDataset.Type == esriDatasetType.esriDTRasterCatalog)
{
// Dim pRaster
}
// pSelectedCln.Add(pFeatLayer)
}
else if (pDataset.Type == esriDatasetType.esriDTTopology)
{
pTopoLayer = new TopologyLayerClass();
pTopoLayer.Topology = (ITopology)pDataset;
pLayer = (ILayer)pTopoLayer;
pLayer.Name = pDataset.Name;
//pSelectedCln.Add(pFeatLayer)
}
pDataset = pEnumDataSet.Next();
}
functionReturnValue = true;
////添加拓扑图层
}
else if (pDatasetName is ITopologyName)
{
ITopology pTopo = null;
pName = (IName)pDatasetName;
pDataset = (IDataset)pName.Open();
pTopoLayer = new TopologyLayerClass();
pTopoLayer.Topology = (ITopology)pDataset;
pLayer = (ILayer)pTopoLayer;
pLayer.Name = pDataset.Name;
m_DatasetCol.Add(pDataset);
if (blnAddData == true)
{
//pMap.AddLayer pLayer
AddLyrToBasicMap(ref pBasicMap, pLayer);
//SortLayer(pBasicMap, pLayer)
}
//pSelectedCln.Add(pLayer)
//if (pfrmError.DisplayInformation("要把拓扑里边的所有要素类也添加到当前地图中吗?") == true)
if (MessageBoxEx.Show("要把拓扑里边的所有要素类也添加到当前地图中吗?", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Information) == DialogResult.OK)
{
IFeatureClassContainer pFeatClsContainer = default(IFeatureClassContainer);
pFeatClsContainer = (IFeatureClassContainer)pTopo;
pEnumFeatCls = pFeatClsContainer.Classes;
pFeatCls = pEnumFeatCls.Next();
pFeatLayer = new FeatureLayer();
////循环拓扑中的每个要素类,并添加到当前地图中
while ((pFeatCls != null))
{
pFeatLayer.FeatureClass = pFeatCls;
pFeatLayer.Name = pFeatCls.AliasName;
if (blnAddData == true)
{
//pMap.AddLayer pFeatLayer
AddLyrToBasicMap(ref pBasicMap, pFeatLayer);
//SortLayer(pBasicMap, pFeatLayer)
}
//pSelectedCln.Add(pFeatLayer)
pFeatCls = pEnumFeatCls.Next();
}
}
functionReturnValue = true;
////添加网络数据
}
else if (pDatasetName is IGeometricNetworkName)
{
INetworkCollection pNetworkCollection = default(INetworkCollection);
IGeometricNetwork pGeometricNetwork = default(IGeometricNetwork);
int i = 0;
int j = 0;
IDataset pGeoDataset = default(IDataset);
pName = (IName)pDatasetName;
pGeoDataset = (IDataset)pName.Open();
m_DatasetCol.Add(pGeoDataset);
if (pGeoDataset.Type == esriDatasetType.esriDTGeometricNetwork)
{
////这里对网络数据进行处理
IFeatureClassContainer pFeatureClassContainer = default(IFeatureClassContainer);
pGeometricNetwork = (IGeometricNetwork)pGeoDataset;
pFeatureClassContainer = (IFeatureClassContainer)pGeometricNetwork;
for (i = 0; i <= pFeatureClassContainer.ClassCount - 1; i++)
{
pFeatCls = pFeatureClassContainer.get_Class(i);
pFeatLayer = new FeatureLayer();
pFeatLayer.Name = pFeatCls.AliasName;
pFeatLayer.FeatureClass = pFeatCls;
if (blnAddData == true)
{
// pMap.AddLayer pFeatLayer
AddLyrToBasicMap(ref pBasicMap, pFeatLayer);
//SortLayer(pBasicMap, pFeatLayer)
}
//pSelectedCln.Add(pFeatLayer)
}
}
else
{
pFeatDS = (IFeatureDataset)pGeoDataset;
pNetworkCollection = (INetworkCollection)pFeatDS;
////如果是用户选择一个网络技术打开的话,肯定只有一个网络在里边,其实
////可以不需要循环,而用GeometricNetwork(0)代替循环
for (j = 0; j <= pNetworkCollection.GeometricNetworkCount - 1; j++)
{
pGeometricNetwork = pNetworkCollection.get_GeometricNetwork(j);
for (i = 0; i <= 3; i++)
{
switch (i)
{
case 0:
pEnumFeatCls = pGeometricNetwork.get_ClassesByType(esriFeatureType.esriFTSimpleJunction);
break;
case 1:
pEnumFeatCls = pGeometricNetwork.get_ClassesByType(esriFeatureType.esriFTSimpleEdge);
break;
case 2:
pEnumFeatCls = pGeometricNetwork.get_ClassesByType(esriFeatureType.esriFTComplexJunction);
break;
case 3:
pEnumFeatCls = pGeometricNetwork.get_ClassesByType(esriFeatureType.esriFTComplexEdge);
break;
}
pFeatCls = pEnumFeatCls.Next();
while ((pFeatCls != null))
{
pFeatLayer = new FeatureLayer();
pFeatLayer.Name = pFeatCls.AliasName;
pFeatLayer.FeatureClass = pFeatCls;
pFeatCls = pEnumFeatCls.Next();
if (blnAddData == true)
{
//pMap.AddLayer pFeatLayer
AddLyrToBasicMap(ref pBasicMap, pFeatLayer);
//SortLayer(pBasicMap, pFeatLayer)
}
// pSelectedCln.Add(pFeatLayer)
functionReturnValue = true;
}
}
}
}
////添加栅格目录，并设置为显示最新时相
}
else if (pDatasetName is IRasterCatalogName)
{
pName = (IName)pDatasetName;
pDataset = (IDataset)pName.Open();
m_DatasetCol.Add(pDataset);
pFeatLayer = new GdbRasterCatalogLayerClass();
pFeatLayer.FeatureClass = (IFeatureClass)pDataset;
pFeatLayer.Name = pDataset.Name;
//'//如果是SDE的栅格目录
//If pFeatLayer.DataSourceType = "SDE Raster Catalog" Then
// Dim pFeatLayerDef As IFeatureLayerDefinition
// pFeatLayerDef = pFeatLayer
// '//设置最初显示地图范围内最近时相的数据
// pFeatLayerDef.DefinitionExpression = "objectid in (select objectid from" & vbNewLine & _
// "(select a.objectid, b.receive_date,rank()" & vbNewLine & _
// "over(partition by a.name,a.resolution order by b.receive_date desc) as cid" & vbNewLine & _
// "from " & pFeatLayer.Name & " a, sj_t_tense b" & vbNewLine & _
// "where a.tense = b.tense" & vbNewLine & "and b.online_state = 1) t2" & vbNewLine & _
// "where " & pFeatLayer.Name & ".objectid=t2.objectid and t2.cid = 1)"
//End If
////设置当栅格目录中的图幅在地图上超过16个的时候，以格网来显示，而不显示栅格本身
pRasterCatalogPro = (IRasterCatalogDisplayProps)pFeatLayer;
////不用数量来控制了,而以比例尺来控制
pRasterCatalogPro.DisplayRasters = 16;
pRasterCatalogPro.UseScale = true;
////设置一个比例,在此临界栅格数据将会在框架显示与实际栅格显示之间转换
pRasterCatalogPro.TransitionScale = 50000;
if (blnAddData == true)
{
//pMap.AddLayer pFeatLayer
AddLyrToBasicMap(ref pBasicMap, pFeatLayer);
//'SortLayer(pBasicMap, pFeatLayer)
}
//pSelectedCln.Add(pFeatLayer)
functionReturnValue = true;
// 陈昉 2009-3-22 添加单一的RasterDataset
}
else if (pDatasetName is IRasterDatasetName)
{
IRasterLayer pRasterLayer = default(IRasterLayer);
pName = (IName)pDatasetName;
pDataset = (IDataset)pName.Open();
m_DatasetCol.Add(pDataset);
pRasterLayer = new RasterLayerClass();
pRasterLayer.CreateFromDataset(pDataset as IRasterDataset);
pRasterLayer.Name = pDataset.Name;
AddLyrToBasicMap(ref pBasicMap, pRasterLayer);
functionReturnValue = true;
////添加TIN图层
}
else if (pDatasetName is ITinWorkspace)
{
pTinWS = (ITinWorkspace)pDatasetName;
ITinLayer pTinLyr = default(ITinLayer);
pTinLyr = new TinLayer();
pTinLyr.Dataset = pTinWS.OpenTin(pDatasetName.Name);
pTinLyr.Name = pDatasetName.Name;
if (blnAddData == true)
{
//pMap.AddLayer pTinLyr
AddLyrToBasicMap(ref pBasicMap, pTinLyr);
//SortLayer(pBasicMap, pTinLyr)
}
//pSelectedCln.Add(pTinLyr)
functionReturnValue = true;
////添加一般的要素类,未写完。。。。。。
}
else
{
pName = (IName)pDatasetName;
pDataset = (IDataset)pName.Open();
pFeatCls = (IFeatureClass)pDataset;
m_DatasetCol.Add(pDataset);
if (pFeatCls.FeatureType == esriFeatureType.esriFTAnnotation)
{
pFeatLayer = new FDOGraphicsLayerClass();
}
else if (pFeatCls.FeatureType == esriFeatureType.esriFTDimension)
{
pFeatLayer = new DimensionLayerClass();
}
else
{
pFeatLayer = new FeatureLayer();
}
//印骅 20081205 添加"Not"
if ((pFeatLayer != null))
{
//pFeatLayer.Name = pDataset.Name
pFeatLayer.Name = pFeatCls.AliasName;
pFeatLayer.FeatureClass = (IFeatureClass)pDataset;
}
if (blnAddData == true)
{
//pMap.AddLayer pFeatLayer
AddLyrToBasicMap(ref pBasicMap, pFeatLayer);
//SortLayer(pBasicMap, pFeatLayer)
}
//pSelectedCln.Add(pFeatLayer)
functionReturnValue = true;
}
return(functionReturnValue);
//'//添加Coverage图层
//ElseIf vItem.SmallIcon = "Coverage" Then
//AddSelectedLayer = ADDCoverageLayer(pMap, pCurrentFilePath.Path, _
//vItem.Text, pSelectedCln, blnAddData)
}
//初始化几何网络和地图
private bool InitializeNetworkAndMap(IFeatureDataset FeatureDataset)
{
IFeatureClassContainer ipFeatureClassContainer;
IFeatureClass ipFeatureClass;
IGeoDataset ipGeoDataset;
ILayer ipLayer;
IFeatureLayer ipFeatureLayer;
IEnvelope ipEnvelope, ipMaxEnvelope;
double dblSearchTol;
INetworkCollection ipNetworkCollection = FeatureDataset as INetworkCollection;
int count = ipNetworkCollection.GeometricNetworkCount;
//获取第一个几何网络工作空间
m_ipGeometricNetwork = ipNetworkCollection.get_GeometricNetwork(0);
INetwork ipNetwork = m_ipGeometricNetwork.Network;
if (m_ipMap != null)
{
//m_ipMap = new MapClass();
ipFeatureClassContainer = m_ipGeometricNetwork as IFeatureClassContainer;
count = ipFeatureClassContainer.ClassCount;
for (int i = 0; i < count; i++)
{
ipFeatureClass = ipFeatureClassContainer.get_Class(i);
ipFeatureLayer = new FeatureLayerClass();
ipFeatureLayer.FeatureClass = ipFeatureClass;
for (int j = 0; j < m_ipMap.LayerCount; j++)
{
if (m_ipMap.get_Layer(j).Name.ToUpper() == ipFeatureLayer.Name.ToUpper())
{
continue;
}
}
m_ipMap.AddLayer(ipFeatureLayer);
}
m_ipActiveView.Refresh();
}
count = m_ipMap.LayerCount;
ipMaxEnvelope = new EnvelopeClass();
for (int i = 0; i < count; i++)
{
ipLayer = m_ipMap.get_Layer(i);
ipFeatureLayer = ipLayer as IFeatureLayer;
ipGeoDataset = ipFeatureLayer as IGeoDataset;
ipEnvelope = ipGeoDataset.Extent;
ipMaxEnvelope.Union(ipEnvelope);
}
m_ipPointToEID = new PointToEIDClass();
m_ipPointToEID.SourceMap = m_ipMap;
m_ipPointToEID.GeometricNetwork = m_ipGeometricNetwork;
double dblWidth = ipMaxEnvelope.Width;
double dblHeight = ipMaxEnvelope.Height;
if (dblWidth > dblHeight)
{
dblSearchTol = dblWidth / 100;
}
else
{
dblSearchTol = dblHeight / 100;
}
m_ipPointToEID.SnapTolerance = dblSearchTol;
return(true);
}