/// <summary>
/// 几何检查的错误类型信息
/// </summary>
/// <param name="eType">几何错误类型</param>
/// <param name="name">几何错误名称</param>
/// <param name="aliasName">几何错误别名</param>
/// <param name="description">几何错误描述</param>
public GeometryCheckInfo(esriNonSimpleReasonEnum eType, string name, string aliasName, string description)
{
this.eType = eType;
Name = name;
AliasName = aliasName;
Description = description;
}
public bool CheckFeature(IFeature pFeature, ref object pErrFeatureInf)
{
IFieldEdit edit = this._layer.FeatureClass.Fields.get_Field(this._layer.FeatureClass.Fields.FindField(this._layer.FeatureClass.ShapeFieldName)) as IFieldEdit;
ISpatialReference spatialReference = edit.GeometryDef.SpatialReference;
bool flag = true;
List <double[]> list = (List <double[]>)pErrFeatureInf;
IGeometryCollection shape = pFeature.Shape as IGeometryCollection;
for (int i = 0; i < shape.GeometryCount; i++)
{
esriNonSimpleReasonEnum enum2 = esriNonSimpleReasonEnum.esriNonSimpleOK;
IPointCollection newPoints = shape.get_Geometry(i) as IPointCollection;
PolylineClass o = new PolylineClass();
o.AddPointCollection(newPoints);
o.SpatialReference = spatialReference;
ITopologicalOperator3 ioperator = o as ITopologicalOperator3;
ioperator.IsKnownSimple_2 = false;
if (!ioperator.get_IsSimpleEx(out enum2))
{
IRing ring = newPoints as IRing;
int num2 = 0;
if (ring.IsClosed)
{
num2 = 1;
}
flag = false;
List <string> list2 = new List <string>();
List <string> list3 = new List <string>();
for (int j = num2; j < newPoints.PointCount; j++)
{
IPoint point = newPoints.get_Point(j);
string item = point.X.ToString() + "," + point.Y.ToString();
if (list2.Contains(item))
{
if (!list3.Contains(item))
{
double[] numArray = new double[] { point.X, point.Y };
list.Add(numArray);
list3.Add(item);
}
}
else
{
list2.Add(item);
}
}
}
Marshal.ReleaseComObject(o);
o = null;
}
return(flag);
}
/// <summary>
/// 判断图形是否存在几何错误，
/// <para>True表示存在错误，False表示未检查出错误，</para>
/// <para>esriNonSimpleReasonEnum参数表示检查出的错误类型（自相交、非闭合环、不正确环走向、不正确线段方向、短线段等）</para>
/// </summary>
/// <param name="geometry"></param>
/// <param name="eNonSimpleReason">几何错误类型，参考：http://resources.arcgis.com/zh-cn/help/main/10.2/index.html#//001700000034000000 ，或参考<see cref="GeometryCheckInfo.GetGeometryCheckInfos"/></param>
/// <returns>True表示存在指定几何错误，False表示不存在指定几何错误</returns>
public static bool Check(this IGeometry geometry, out esriNonSimpleReasonEnum eNonSimpleReason)
{
ITopologicalOperator3 topologicalOperator = (ITopologicalOperator3)geometry;
topologicalOperator.IsKnownSimple_2 = false;//布尔型，指示此几何图形是否是已知的（或假设）是拓扑正确。这里赋值false,就是非已知的几何图形
eNonSimpleReason = esriNonSimpleReasonEnum.esriNonSimpleOK;
if (!topologicalOperator.get_IsSimpleEx(out var reason))//返回布尔值，指示该几何图形是否为简单的。如果返回的是false，则可以对输出的"reason"参数检查审查
{
eNonSimpleReason = reason;
}
return(eNonSimpleReason != esriNonSimpleReasonEnum.esriNonSimpleOK);
}
public bool get_IsSimpleGeometry(IGeometry geometry,
out esriNonSimpleReasonEnum reason)
{
return(((IFeatureSimplify2)_feature).get_IsSimpleGeometry(geometry, out reason));
}
