AE 开发_02_GIS查询.pptx
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AE开发;IFeature;查询过滤器;IQueryFilter;返回游标的查询;IFeatureCursor游标操作;public void DisplayInternationalAirports(IFeatureClass featureClass)
{
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = TYPE = International;
queryFilter.SubFields = NAME;
int fieldPosition = featureClass.FindField(NAME);
IFeatureCursor featureCursor = featureClass.Search(queryFilter, true);
IFeature feature = null;
while ((feature = featureCursor.NextFeature()) != null)
{
Console.WriteLine(feature.get_Value(fieldPosition));
}
}
;ISpatialFilter;;返回Selection的查询;ISelectionSet;;对选择集进行再查询;获取选择集的Feature;Search和Select比较;IFeatureSelection;IFeatureLayer选择集图形显示;问题
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