摘要:
将input featureclass里的选择集feature插入到output featureclass里 使用IFeatureClass.createfeature和feature.store方法來逐個添加新要素,適用于簡單的少量的插入操作。 數據量較大時,其效率過低。 Code highlighting produced by Actipro CodeHighlighter (... 阅读全文
posted @ 2009-03-18 15:15
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將CAD內的Anno Text轉到sde里的Annotation featureclass.對于CAD Text, 它的geometrytype 為Point, 而sde里Annotation featureclass的geometrytype為Polygon,因此IObjectLoader.LoadObjects不適用于轉CAD Text, 只能用IFDOGLFactory.DoAddEleme... 阅读全文
posted @ 2009-03-18 15:09
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Insert new Feature not using default built-in function..ESRI放出的例子 Completely show how to correctly insert features from InputFeatureclass to OutputFeatureClass Code highlighting produced by Act... 阅读全文
posted @ 2009-03-18 15:01
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1.批量刪除feature ----ITable.DeleteSearchedRows method 對于一般的featureClass(不包括Anno FeatureClass),ITable.DeleteSearchedRows能快速有效的刪除Features. 尤其是大數據量情況下,其效率遠比逐個要素刪除要快得多。 Code highlighting produced by Ac... 阅读全文
posted @ 2009-03-18 14:59
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Loads an object into an existing object class. 有幾點要注意的是: 1)該方法有返回值pEnumInvalidObject,如果applyValidation變量是false,將返回空值,如果為True,將返回 invalid features. 2) IQueryFilter::SubFields必須與IObjectLoader::OutputF... 阅读全文
posted @ 2009-03-18 14:41
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Converts a featureClass to a new created Personal Geodatabase/Geodatabase featureClass. 該方法適用于簡單的要素類 (point, line, polygon),不支持復雜的要素類(geometric network feature classes, SDE 3.x annotation, Geodatab... 阅读全文
posted @ 2009-03-18 14:38
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在featureDataset里创建新的featureclass Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ -->Public Function createDatasetFeatureClass()Function createDatase... 阅读全文
posted @ 2009-03-18 10:05
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打开SDE工作区间 Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ -->Public Function getSDEWorkSpace()Function getSDEWorkSpace(Server As String, Instance As... 阅读全文
posted @ 2009-03-18 09:36
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