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Feature builder allows you to create complex geodetic and ellipsoid features that are associated with aviation and maritime data. This tool consists of several parts that, when combined, allow you to create and modify features that represent complex items found on nautical and aeronautical charts:
- Spatial libraries—Groups of functions that generate specific types of geometries and calculate values.
- Functions—Individual applications in the libraries that can be executed based on set parameters and coordinates.
- Scratch database—The temporary database that stores the geometries generated using the functions and tools.
- Editing tools—Tools that allow you to modify geometries generated by feature builder functions. This includes connecting points to create lines, converting polylines to polygons, merging geometries, intersecting geometries multidimensionally, and dividing polygons into smaller parts.
- Feature conversion tools—Tools that convert the geometry to a feature in a database with which you are working. You can also update the geometry of the converted feature using a modified feature builder geometry.
Feature creation workflow
Feature builder allows you to create aviation and maritime features based on bearing, parameter, and other descriptive information from the data specification you are using. This process involves three major steps:
- Creating the geometry using a function
- Modifying the geometry for the feature you want to create
- Converting the geometry to a feature
Creating the geometry using a function
The descriptive information for the features can be used to populate parameters in functions that correspond with the geometry you want to create or value you want to calculate. When you initially create a feature using feature builder, it is a geometry stored in a scratch database. This database contains point, line, and polygon feature classes, as well as a grouped layer that contains topology features. The geometries you create in the scratch database also have their own attributes to track changes made as well as the name, label, height, and area values.
Modifying the geometry
Changes that can be made to feature builder geometries include connecting points to create lines or polygons, converting polylines to polygons, and merging polygons. These editing tools allow you to refine the appearance of the geometry before you convert it to a feature in your editing workspace.
Converting the geometry to a feature
Once the geometry is ready to be added to the production database or other editing workspace, you can convert it to a feature in one of the feature classes in your editing workspace. This process does not delete the geometry from the scratch database but adds a new feature to the target feature class. When the geometry is converted, it is given the default attributes for the target feature class subtype you select. For example, if you convert a feature builder line geometry to an ATS route, which is an aviation polyline feature, a new ATS route is created in addition to the feature builder feature.
Learn more about feature conversion tools