/// <summary>
/// 如果是Polygon，进行自重叠检查
/// </summary>
/// <returns></returns>
public bool CheckSelfOverlap(List <FeatureObject> featureList, out string outMsg)
{
bool result = false;
outMsg = string.Empty;
try
{
for (int i = 0; i < featureList.Count; i++)
{
FeatureObject foi = featureList[i];
if (foi.geometry == null || foi.geometry.IsEmpty)
{
continue;
}
ITopologicalOperator pITop = (ITopologicalOperator)foi.geometry;
for (int j = i + 1; j < featureList.Count; j++)
{
FeatureObject foj = featureList[j];
if (foj.geometry == null || foj.geometry.IsEmpty)
{
continue;
}
IGeometry overlapGeo = pITop.Intersect(foj.geometry, esriGeometryDimension.esriGeometry2Dimension);
if (overlapGeo != null && !overlapGeo.IsEmpty)
{
result = true;
int i_int = i + 1;
int j_int = j + 1;
outMsg += string.Format("传入的地块集合中第{0}和第{1}个地块是相互重叠的;", i_int, j_int);
}
}
}
}
catch (Exception ex)
{
outMsg += ex.Message;
result = true;
}
return(result);
}
/// <summary>
/// 删除Features
/// </summary>
/// <param name="connObj">连接对象</param>
/// <param name="fcObj">表对象</param>
/// <param name="fwObj">查询条件</param>
/// <param name="outMsg">返回必要信息</param>
/// <returns></returns>
public List <FeatureObject> GetFeatures(ConnectionJSObject connObj, FeatureClassJSObject fcObj, FilterWhereJSObject fwObj, out string outMsg)
{
List <FeatureObject> result = new List <FeatureObject>();
outMsg = string.Empty;
try
{
if (fcObj != null)
{
OpenSDE(connObj);
if (pWorkspace != null)
{
IFeatureClass featureClass = null;
//指定表名是否存在
if (pWorkspace2.get_NameExists(esriDatasetType.esriDTFeatureClass, fcObj.name))
{
featureClass = pFeatureWorkspace.OpenFeatureClass(fcObj.name);
//查找地块
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.WhereClause = fwObj.filter;
IFeatureCursor pFeatureCursor = featureClass.Update(pQueryFilter, false);
IFeature feature = pFeatureCursor.NextFeature();
while (feature != null)
{
//TODO:解析
FeatureObject fo = new FeatureObject();
List <AttributeJSObject> attrs = new List <AttributeJSObject>();
for (int i = 0; i < featureClass.Fields.FieldCount; i++)
{
IField field = featureClass.Fields.get_Field(i);
if (field != null && field.Editable && field.Type != esriFieldType.esriFieldTypeGeometry)
{
AttributeJSObject ajso = new AttributeJSObject();
ajso.name = field.Name;
ajso.value = feature.get_Value(i);
attrs.Add(ajso);
}
}
fo.attributes = attrs;
fo.geometry = feature.ShapeCopy;
result.Add(fo);
feature = pFeatureCursor.NextFeature();
}
}
else
{
outMsg = string.Format("数据源中不存在表名[{0}]。", fcObj.name);
}
}
}
else
{
outMsg = string.Format("操作表参数错误!");
}
}
catch (Exception ex)
{
outMsg = ex.Message;
}
finally
{
CloseSDE();
}
return(result);
}
