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API Enhancements (What's New in 2025, 2025.1, and 2025.2)

Learn about enhancements to the API.

New in 2025.2

Updates to the API have been made in the following feature areas:

  • Added new properties available under cant critical stations of cant curves.
    • CANTCriticalStation::CantJerk. Gets the Cant Jerk setting for a cant critical station.
    • CANTCriticalStation::CantRatio. Gets the Cant Ratio setting for a cant critical station.

    For more information, see Cant Tabular Editor Dialog Box.

  • Added new properties available under the RailCANTInfo structure.
    • RailCANTInfo.LateralAcceleration
    • RailCANTInfo.CantGradient
    • RailCANTInfo.CurveRadius
    • RailCANTInfo.EquilibriumCant
    • RailCANTInfo.EquilibriumCantGradient
    • RailCANTInfo.EquilibriumCantVerticalSpeed
    • RailCANTInfo.CantDeficiency
    • RailCANTInfo.CantDeficiencyGradient
    • RailCANTInfo.CantDeficiencyVerticalSpeed
    • RailCANTInfo.CantRatio
    • RailCANTInfo.CantJerk
    • RailCANTInfo.VerticalSpeed
    • RailCANTInfo.DesignSpeed
  • Improved performance for the RailCANTInfo structure.
  • Updated properties for class ProfileViewBandItem:
    • ProfileViewBandItem.Alingment2Id. Sets the secondary alignment for a Cant Data band in a profile view.
    • ProfileViewBandItem.MaxDistance. Sets the maximum offset distance for a Cant Data band in a profile view.

      • For more information on band properties, see Bands Tab (Profile View Properties Dialog Box).

  • Updated properties for class ProfileViewBandSetItem:
    • ProfileViewBandSetItem::GetHorizontalGeometryPointsOptions(). Gets the Horizontal Geometry Points options information.
    • ProfileViewBandSetItem::SetHorizontalGeometryPointsOptions. Sets the Horizontal Geometry Points options.

      • For more information on geometry points in a band, see Geometry Points to Label in Band Dialog Box.

  • Updates for gravity pipes.
    • Added the API class CrossingPipeProfileLabel.
    • Added ObjectIDCollection methods:
      • CrossingPipeProfileLabel.Create(ObjectId profileViewPartId, ObjectId profileViewId, ObjectId labelStyleId);
      • CrossingPipeProfileLabel.Create(ObjectId profileViewPartId, ObjectId profileViewId);
      • GetAvailableLabelIds(ObjectId profileViewPartId, ObjectId profileViewId);}}

New in 2025.1

Updates to the API have been made in the following feature areas:

  • Added PressurePart.SwapPartSize to swap part sizes for pressure pipes, fittings, and appurtenances.
  • Added new properties for class CANTCriticalStation:
    • CANTCriticalStation.DesignSpeed. Gets the design speed for cant critical stations of cant curves.
    • CANTCriticalStation.CurveRadius. Gets the curve radius for cant critical stations of cant curves.
    • CANTCriticalStation.EquilibriumCantGradient. Gets the cant gradient for cant critical stations of cant curves.
    • CANTCriticalStation.CantDeficiencyGradient. Gets the deficiency gradient for cant critical stations of cant curves.
    • CANTCriticalStation.EquilibriumCantVerticalSpeed. Gets the equilibrium vertical speed for cant critical stations of cant curves.
    • CANTCriticalStation.CantDeficiencyVerticalSpeed. Gets the deficiency vertical speed for cant critical stations of cant curves.
  • Added new properties for class ProfileViewBandItem:
    • ProfileViewBandItem.Alingment2Id. Sets the secondary alignment for a Horizontal Geometry band in a profile view.
    • ProfileViewBandItem.MaxDistance. Sets the maximum offset distance for a Horizontal Geometry band in a profile view.

      • For more information on horizontal geometry band properties, see Bands Tab (Profile View Properties Dialog Box).

  • Added example code for the following ProfileView Methods:
    • ProfileView.Create(ObjectId, Point3d)
    • ProfileView.Create(ObjectId, Point3d, SplitProfileViewCreationOptions)
    • ProfileView.Create(ObjectId, Point3d, StackedProfileViewsCreationOptions)
    • ProfileView.Create(ObjectId, Point3d, StackedProfileViewsCreationOptions, SplitProfileViewCreationOptions)
    • ProfileView.Create(CivilDocument, String, ObjectId, ObjectId, Point3d)
    • ProfileView.Create(CivilDocument, String, String, String, Point3d)
    • ProfileView.Create(ObjectId, Point3d, String, ObjectId, ObjectId)
    • ProfileView.Create(ObjectId, Point3d, String, ObjectId, StackedProfileViewsCreationOptions)
    • ProfileView.Create(ObjectId, Point3d, String, ObjectId, ObjectId, SplitProfileViewCreationOptions)
    • ProfileView.Create(ObjectId, Point3d, String, ObjectId, StackedProfileViewsCreationOptions, SplitProfileViewCreationOptions)
    • ProfileView.CreateMultiple(ObjectId, Point3d, MultipleProfileViewsCreationOptions)
    • ProfileView.CreateMultiple(ObjectId, Point3d, StackedProfileViewsCreationOptions, MultipleProfileViewsCreationOptions)
    • ProfileView.CreateMultiple(ObjectId, Point3d, MultipleProfileViewsCreationOptions, SplitProfileViewCreationOptions, ProfileViewDatumType)
    • ProfileView.CreateMultiple(ObjectId, Point3d, StackedProfileViewsCreationOptions, MultipleProfileViewsCreationOptions, SplitProfileViewCreationOptions, ProfileViewDatumType)
    • ProfileView.CreateMultiple(ObjectId, Point3d, String, ObjectId, ObjectId, MultipleProfileViewsCreationOptions)
    • ProfileView.CreateMultiple(ObjectId, Point3d, String, ObjectId, StackedProfileViewsCreationOptions, MultipleProfileViewsCreationOptions)
    • ProfileView.CreateMultiple(ObjectId, Point3d, String, ObjectId, ObjectId, MultipleProfileViewsCreationOptions, SplitProfileViewCreationOptions, ProfileViewDatumType)
    • ProfileView.CreateMultiple(ObjectId, Point3d, String, ObjectId, StackedProfileViewsCreationOptions, MultipleProfileViewsCreationOptions, SplitProfileViewCreationOptions, ProfileViewDatumType)

    For more information, on ProfileView Methods, see ProfileView Methods.

New in 2025

Updates to the API have been made in the following feature areas:

  • Support for the .NET 8.0 framework.
  • Added .NET API support for the surface level of detail feature. For more information see Modify the Level of Detail of Surfaces.
    • Surface.IsLevelOfDetailEnabled. Get and set the surface level of detail status.
    • SettingsSurface.Defaults.LevelOfDetail. Get the property of the surface level of detail default setting.

For more information, see New Features in the Autodesk Civil 3D API.

Parent topic: What's New in Civil 3D 2025

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