本文整理汇总了C#中SpatialFilterClass.AddField方法的典型用法代码示例。如果您正苦于以下问题：C# SpatialFilterClass.AddField方法的具体用法？C# SpatialFilterClass.AddField怎么用？C# SpatialFilterClass.AddField使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SpatialFilterClass的用法示例。
在下文中一共展示了SpatialFilterClass.AddField方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetCutlineNumber
/// <summary>
/// ��ȡ�ַ�ͼ����ָ��Ŀ��ͼ��ķ�Χ��С������ͼ�����ֶε�ֵ
/// </summary>
/// <param name="ipFeatrueClass">�ӱ�Ҫ����</param>
/// <param name="ipBoundFeatureClass">��ΧҪ����</param>
/// <param name="strTuFuNumFieldName">ͼ�����ֶ���</param>
/// <param name="ipEnvelope"></param>
/// <param name="nTuFuFieldIndex"></param>
/// <param name="aryNumber">ͼ��������</param>
/// <param name="ipPointCollection"></param>
/// <returns>�ɹ�����true,����false</returns>
private IEnvelope GetCutlineNumber(IFeatureClass ipFeatrueClass,
IFeatureClass ipBoundFeatureClass,
string strTuFuNumFieldName,
IEnvelope ipEnvelope,
ref int nTuFuFieldIndex, ref List<string> aryNumber,
IPointCollection ipPointCollection)
{
try
{
if (ipEnvelope == null) return null;
// //���Դ���
// BSTR bstrTuFuNum = strTuFuNumFieldName.AllocSysString();
//ipTable.FindField(bstrTuFuNum,&nIndex);
//���ͼ�����ֶε�����
ITable ipTable = (ITable) ipBoundFeatureClass;
int nIndex = ipTable.FindField(strTuFuNumFieldName);
if (nIndex == -1)
{
return null;
}
IEnvelope ipTuFuMaxEnvelope = new EnvelopeClass();
nTuFuFieldIndex = nIndex;
//���ÿռ�����
ISpatialFilter ipSpatialFilter = new SpatialFilterClass();
ipSpatialFilter.AddField(strTuFuNumFieldName);
IGeometry ipGeo = ipEnvelope;
ipSpatialFilter.Geometry = ipGeo;
string bstrSharpFieldName = ipBoundFeatureClass.ShapeFieldName;
ipSpatialFilter.GeometryField = bstrSharpFieldName;
ipSpatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
//���пռ��ѯ,����ȡ��ͼ�����ֶε�ֵ
IFeatureCursor ipFeatureCursor = ipBoundFeatureClass.Search(ipSpatialFilter, false);
if (ipFeatureCursor == null)
{
return null;
}
IGeometry ipGeometry;
IGeometry ipPolygonGeometry;
IPolygon2 ipPolygon;
IRing ipRing;
IFeature ipFeature = ipFeatureCursor.NextFeature();
IEnvelope ipTuFuEnvelope = ipFeature.Extent;
double dMinX = 0.0;
double dMaxX = 0.0;
double dMinY = 0.0;
double dMaxY = 0.0;
double dTMinX = 0.0;
double dTMaxX = 0.0;
double dTMinY = 0.0;
double dTMaxY = 0.0;
dMinX = ipTuFuEnvelope.XMin;
dMaxX = ipTuFuEnvelope.XMax;
dMinY = ipTuFuEnvelope.YMin;
dMaxY = ipTuFuEnvelope.YMax;
IPoint ipPoint = new PointClass();
int nPointCount = 0;
while (ipFeature != null)
{
object varTuFu = ipFeature.get_Value(nIndex);
string str = varTuFu.ToString();
aryNumber.Add(str);
ipTuFuEnvelope = ipFeature.Extent;
dTMinX = ipTuFuEnvelope.XMin;
dTMaxX = ipTuFuEnvelope.XMax;
dTMinY = ipTuFuEnvelope.YMin;
dTMaxY = ipTuFuEnvelope.YMax;
if (dTMinX < dMinX)
dMinX = dTMinX;
if (dTMaxX > dMaxX)
dMaxX = dTMaxX;
if (dTMinY < dMinY)
dMinY = dTMinY;
if (dTMaxY > dMaxY)
dMaxY = dTMaxY;
//.........这里部分代码省略.........