Design entities that are created in an Autodesk Civil 3D drawing are referred to as objects.
The primary Autodesk Civil 3D object types are as follows. For more information about the object, click the corresponding link.
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Appurtenances |
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Assemblies |
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Cant Views |
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Catchments |
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Fittings |
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Pressure Networks |
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Pressure Pipes |
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View Frame Groups |
Use the Prospector and Settings tabs in Toolspace to access detailed object properties and settings. For more information, see About the Toolspace Window.
Object Interaction
Autodesk Civil 3D objects automate the design process by interacting with other Autodesk Civil 3D objects.
In the object model, changes in one object can be passed on automatically to associated objects where desired. For example, if you redesign an alignment curve, any grading using that alignment as a baseline can be modified accordingly. In addition, all related stationing, labels, and other alignment-specific data is updated.
The following table provides examples of which objects can be updated when you edit each type of object:
| When you edit this object type... | These objects may be updated... |
| Points | Surfaces |
| Surfaces | Grading, Profiles, Pipe Networks, Corridors |
| Parcels | Grading, Corridors |
| Alignments | Grading, Parcels, Corridors, Profiles, Sections, Pipe Networks, Intersections |
| Profiles | Intersections |
| Grading | Surfaces, Corridors |
| Subassemblies | Assemblies, Corridors |
| Assemblies | Corridors |
| Pipe Networks | Surfaces, Alignments |
| Feature Lines | Grading |
| Sample Lines | Sections, Mass Haul diagrams |