API Enhancements

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 Dialogue 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.