Fixed Issues in IFC 4.3 Extension for Autodesk Civil 3D 2025
This document lists fixed issues in the 2025 release of the IFC 4.3 Extension for Autodesk Civil 3D.
| Alignments |
| Improved workflows by aggregating sample lines for alignments. |
| Improved the handling of alignments with decreasing stationing when importing. |
| Improved the nesting of alignment sample lines. |
| Area and Volume |
| Improved the handling of negative values reported by Civil 3D on volume surfaces. |
| Fixed an issue with metric area and volume units for square and cubic meters. |
| Improved the handling of negative quantity volumes. |
| Improved support for hollow objects. |
| Export |
| Improved the naming of exported nested alignments. |
| Improved the handling of invalid mapping Export As values. |
| Fixed a stability issue by disabling the export of the IsEditable Parameter on some objects. |
| Improved export functionality to comply with validate.buildingSMART.org. |
| Fixed issue in which solids did not export due to the API reporting zero area. |
| Resolved export CER reports due to unexpected data in some drawings. |
| Improved the handling of dependent objects when exporting selected entities. |
| Miscellaneous |
| Improved layer rules checks. |
| Improved the handling of corridors when using the IFCInfraExportSelected command. |
| Improved compliance with validateBuildingSMART. |
| Fixed an issue with multiview blocks mirroring. |
| Fix an issue with site postal address parameters. |
| Improved the handling of metric units in some models. |
| Profiles |
| Alignment names for nested profiles now display in the format Alignment Name – Profile Name. |
| By default, alignment profiles are now nested under the alignment. |
| Improved support for hollow regions on profiles. |
