public static void ResetFilterSubsetParameters(INetworkAttribute2 netAttribute, List <string> netSourceNames)
{
IArray netParams = new ESRI.ArcGIS.esriSystem.ArrayClass();
INetworkAttributeParameter netParam = null;
object paramValue = null;
netParam = new NetworkAttributeParameterClass();
paramValue = true;
string paramName = "";
paramName = BaseParameterName;
paramName += "_Restrict";
netParam.Name = paramName;
netParam.VarType = (int)VarType.Bool;
netParam.Value = paramValue;
netParam.DefaultValue = paramValue;
netParams.Add(netParam);
netParam = new NetworkAttributeParameterClass();
paramValue = 1;
foreach (string netSourceName in netSourceNames)
{
netParam = new NetworkAttributeParameterClass();
paramValue = null;
paramName = BaseParameterName;
paramName += "_EIDs_";
paramName += netSourceName;
netParam.Name = paramName;
netParam.VarType = (int)(VarType.Array | VarType.Integer);
netParam.Value = paramValue;
netParam.DefaultValue = paramValue;
netParams.Add(netParam);
}
//does not preserve existing parameters if any
netAttribute.Parameters = netParams;
}
public static IArray OrganizeMapWorkspaceAndLayer(IMap pMap)
{
IArray arrayClass = new ESRI.ArcGIS.esriSystem.ArrayClass();
IPropertySet propertySetClass = new PropertySetClass();
IFeatureLayer featureLayer = null;
UID uid = new UIDClass();
uid.Value = "{40A9E885-5533-11d0-98BE-00805F7CED21}";
IEnumLayer layers = pMap.Layers[uid, true];
layers.Reset();
ILayer pLayer = layers.Next();
while (pLayer != null)
{
if (pLayer is IFeatureLayer)
{
featureLayer = pLayer as IFeatureLayer;
IDataset featureClass = featureLayer.FeatureClass as IDataset;
if (featureClass != null && !(featureClass is ICoverageFeatureClass))
{
IWorkspace workspace = featureClass.Workspace;
if (workspace is IFeatureWorkspace)
{
IPropertySet connectionProperties = workspace.ConnectionProperties;
bool hasFindWorkspace = false;
for (int i = 0; i < arrayClass.Count; i++)
{
PipeWorkspaceInfo workspaceInfo = arrayClass.Element[i] as PipeWorkspaceInfo;
if (workspaceInfo.Workspace.ConnectionProperties.Equals(connectionProperties))
{
workspaceInfo.AddClass(featureLayer.FeatureClass);
hasFindWorkspace = true;
break;
}
}
if (hasFindWorkspace == false)
{
PipeWorkspaceInfo workspaceInfo = new PipeWorkspaceInfo(workspace);
workspaceInfo.AddClass(featureLayer.FeatureClass);
arrayClass.Add(workspaceInfo);
}
}
}
}
pLayer = layers.Next();
}
return(arrayClass);
}
/// <summary>
/// 获取覆盖区域
/// </summary>
/// <param name="geometry"></param>
/// <param name="featureClass"></param>
public static void seek_IntersectFeature(IGeometry geometry, IFeatureClass featureClass, ref IArray array)
{
try
{
IFeature feature = null;
if (array != null)
{
//让我们显示控制COM对象的生存==你调用这个方法，就是通过.NET环境，告诉COM对象，不用你了，马上消失。）
Marshal.ReleaseComObject(array);
}
array = new ESRI.ArcGIS.esriSystem.ArrayClass();
//SpatialFilter空间查询
ISpatialFilter spatialFilter = new SpatialFilterClass();
IQueryFilter pQueryFilter = spatialFilter as IQueryFilter;
// 设置空间过滤器的范围（多边形）
spatialFilter.Geometry = geometry;
// 设置空间过滤器空间关系类型
spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
spatialFilter.WhereClause = null;
//获取FeatureCursor游标
IFeatureCursor featureCursor = featureClass.Search(pQueryFilter, false);
//遍历FeatureCursor
feature = featureCursor.NextFeature();
while (feature != null)
{
//获取要素对象
array.Add(feature);
feature = featureCursor.NextFeature();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static void ResetScaleSubsetParameters(INetworkAttribute2 netAttribute, List<string> netSourceNames)
{
IArray netParams = new ESRI.ArcGIS.esriSystem.ArrayClass();
INetworkAttributeParameter netParam = null;
object paramValue = null;
string paramName = "";
netParam = new NetworkAttributeParameterClass();
paramValue = 1;
paramName = BaseParameterName;
paramName += "_Factor";
netParam.Name = paramName;
netParam.VarType = (int)VarType.Double;
netParam.Value = paramValue;
netParam.DefaultValue = paramValue;
netParams.Add(netParam);
foreach (string netSourceName in netSourceNames)
{
netParam = new NetworkAttributeParameterClass();
paramValue = null;
paramName = BaseParameterName;
paramName += "_eids_";
paramName += netSourceName;
netParam.Name = paramName;
netParam.VarType = (int)(VarType.Array | VarType.Integer);
netParam.Value = paramValue;
netParam.DefaultValue = paramValue;
netParams.Add(netParam);
}
//does not preserve existing parameters if any
netAttribute.Parameters = netParams;
}