You can apply a single style to this layer, and all the streets in the layer will use that style.Ī schemais the definition of multiple feature classes and the relationships between them. For example, a feature class called Roads contains individual streets and appears on a layer called Roads in Display Manager. AutoCAD Map 3D toolset displays all the features from the selected features classes in your map, and each feature class becomes a layer in Display Manager. Each type of feature is called a feature class. Once you connect to a feature source, you select the types of features to include in your map. The feature source could be a database (such as Oracle, SQL Server, or MySQL), a file-based feature source (such as SDF or SHP), a web server (such as WFS), or a table of feature geometry data (such as Microsoft Access). This map of a water distribution system is made up of features stored in a set of SDF files.
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