方法
What are Subtypes?
Subtypes are a subset of features in a feature class, or objects in a table, that share the same attributes. They allow one to further categorize data more effectively by finding a similar attribute and organizing each feature by that value, such as buildings, roads, water mains, and so forth.
Subtypes are useful to increase the experience of a geodatabase by visualizing a subset of features in each feature class instead of creating new feature classes for each object. For example, subtypes can be used to further define and organize a Building layer to represent the different types of buildings as opposed to having one non-categorized Building layer.
For more information on Subtypes, see: Introduction to subtypes.
How are Subtypes created in ArcGIS Pro?
Subtypes can be set up during the creation of a feature class or even after. In this example, we create a subtype categorizing the campus of the University of California, Irvine (UCI) to represent the main schools such as the School of Physical Science, Social Science, etc.
To create the subtypes in ArcGIS Pro:
Managing subtypes in ArcGIS Pro
Once a subtype has been created, it can be further edited and managed with the Create/Manage button. Once selected, it allows navigation to a specific Subtype Field and setting a Default Subtype when creating features on the map.
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