要素类(featureclass)也是一种表(table),只不过是一种特殊的表(包含了空间信息),这一点我们可以从OMD图中很容易看到。因此我们在增加字段的时候使用的是Itable接口。需要注意的一点是,我们在此处并没有使用IFieldsEdit接口,为什么呢?因为我们在这里并不是要创建一个新的表,只是在已有的表中增加一个新的字段而已。
In ArcGIS Pro, theAppendtool can be used to load new data from the external feature class to the existing hosted feature layer, provided the hosted feature layer and the external feature class have the same field schema and both contain a Global ID field. If the external feature class does ...
Currently, there is no out-of-the-box tool to add a feature class to an existing replica. With ArcGIS Desktop, one must either recreate the replica or, if the workflow allows, replicate the new feature class as a separate replica.
This article shows how feature classes are created within a feature dataset and how to create empty feature classes, into which features can be loaded or created. The decision to create a feature class either in a feature dataset or as a stand-alone feature class depends on the purpose of ...
Delete Existing Table/Feature Class– You can overwrite your existing dataset or create a new one. How To Permanently Reorder Fields in ArcGIS Without a doubt, it’s a bit surprising why there isn’t a default ArcToolbox tool that does this. In fact, this request has been “in considerati...
While working with a database in ArcGIS Pro, you can create tables, feature classes, and database views from the database connection. To add a dataset, right-click the database connection in the Catalog pane and click New. Next, select the type of dataset you want to create from the co...
ArcGIS Pro 2.6: How the “Guid” field in the attribute table of a feature class is created? I couldn’t figure out how the “Guid” field is created. What could be enabled in order to get this field created? ---Jamal NumanGeomolg Geoportal for Spatial InformationRamall...
andIFeatureClass) can be used to add a single field to an existing table. The following line of code shows the addition of a field (for example, the created string field) to a feature class. As with any schema editing, an exclusive lock should be established on the class first (ISchem...
After you create a feature layer, you can easily add it to a map as a layer, edit or symbolize it within a web map or other applications, or consume it with your own custom applications. In either case you will need an ArcGIS Online subscription to do so. If you don’t have an ac...
In addition to the footprints, a trajectory dataset also includes a point layer that references the point data in the GEDI files. You can use the Clip tool to extract the points of interest to a feature class. Below is the output point feature class containing the above ground biomass variab...