The "15 links" refer to the predefined link code types that Civil 3D recognizes for automated figure processing. They are:
| Link Code | Description | |-----------|-------------| | TOP | Top of feature (e.g., pavement edge, top of curb) | | BOT | Bottom of feature (e.g., bottom of curb, toe of slope) | | HOR | Horizontal link (e.g., level connection) | | VER | Vertical link (e.g., plumb connection) | | SLOPE | Sloped link (general) | | DITCH | Link representing a ditch line | | CROWN | Crown of road or ridge line | | EDGE | Edge of pavement or hardscape | | FLOW | Flow line of channel or gutter | | CURB | Face of curb | | WALK | Walkway edge | | FENCE | Fence or property line | | WALL | Retaining wall line | | SLV | Slope to vertical | | MISC | Miscellaneous link (user-defined) | autocad civil 3d 2015 15 link
Note: The exact 15 codes may vary slightly by country kit or customization, but the list above represents the core set available in Civil 3D 2015. The "15 links" refer to the predefined link
Despite newer versions (2024, 2025, etc.), Civil 3D 2015 remains relevant for several reasons: Note: The exact 15 codes may vary slightly
Crucial Note: Autodesk retired support for Civil 3D 2015 on February 7, 2020. It no longer receives security updates, bug fixes, or compatibility patches for new Windows versions.
Civil 3D 2015 was built for Windows 7/8. Running it on Windows 10 or 11 requires special care: