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Civil 3D Fixes

Civil 3D 2022.1 Update

Autodesk has released the Civil 3D 2022.1 update. Below is what was fixed and what was added…

Fixed Issues in Autodesk Civil 3D 2022.1

This document lists product fixes included in Autodesk Civil 3D 2022.1.

Alignments
Added support for exporting and importing speed tables for all alignment types using LandXML.
Fixed an issue in which closing the Alignment Properties dialog box by clicking the Cancel or OK button with no change to the alignment would cause a corridor to redraw if the alignment was used as a target for the corridor.
The time to open drawings has been reduced by 20% for drawings that contain long alignments with labels.
API
Fixed an API issue in which the AlignmentRailInfo.RailWidth parameter was not accessible for rail offset alignments.
Fixed an API issue in which GeneralSegmentLabel.Create() failed on closed polylines.
Fixed an API issue in which the AppliedSubassembly parameter did not take the reference parameter into consideration. The main change was to correct the behavior of ValueAsObject in IAppliedSubassemblyParam. Now the same DesignValue/Value behavior as in the Parameter Editor in the Cross Section View Editor can be kept.
A CorridorSlopePattern created though the API will now have the default StartStation and EndStation set to the baseline alignment’s start and end station, and assigning StartStation and EndStation after that will succeed.
Assemblies
Fixed an issue in which a dialog box couldn’t be resized when adding a subassembly to an assembly.
Autodesk Collaboration for Civil 3D
Fixed an issue in which an XML file that was used as surface data in a drawing was uploaded to two different locations in BIM 360.
Fixed an issue in which the version of a large surface (.mms file) was increased unexpectedly when opening its host drawing from Autodesk Docs.
Autodesk Connector for ArcGIS
Fixed an issue in which the cursor was not active in the drawing after connecting to the Autodesk Connector for ArcGIS.
Corridors
Fixed an issue in which temporary alignments and profiles that were created for feature lines were shown in the corridor targets mapping list.
Fixed an issue in which the offset subassemblies for a corridor were not considered when creating a corridor surface.
Fixed an issue in which a corridor was not brought back to up to date when using the UNDO command after performing an edit that would cause the corridor to be marked out of date.
Fixed an issue in which additional objects from other baselines were shown in the Corridor Section Editor.
Fixed an issue in which a corridor required a rebuild or was marked out of date when creating a corridor surface in the Corridor Properties dialog box.
Fixed an issue in which intersections and corridors became out of date when saving a drawing that contains them.
Fixed an issue in which corridors were unnecessarily regenerated when there was no geometry change for corridor surfaces in the Corridor Properties dialog box. For example, this would occur if the corridor surface selection was cleared, or if the surface name or style in the Corridor Properties dialog box was changed.
Fixed an issue in which the profile of a secondary alignment was deleted unexpectedly when creating corridor regions for intersections.
Fixed a stability issue that would occur when creating a corridor with a grid surface.
Fixed a stability issue that would occur when opening a drawing with a corridor that targeted a grid surface.
Fixed a performance issue related to invoking the corridor surface target dialog box. The time to invoke the dialog box has been improved from 15 seconds to 1 second.
The Rebuild All command will now rebuild corridors based on their dependency relationships so that all corridors will be up to date after using the command.
The time to rebuild a corridor has been improved by 20% if the corridor uses feature lines or 3D polylines as targets.
The time to rebuild a corridor has been improved if error messages about the subassemblies that are used are displayed in the Event Viewer when the corridor is rebuilt.
Improved performance when opening a drawing that contained a corridor that referenced a subassembly PKT file that was not imported.
Improved the performance of opening corridor cross section views by 30%.
Reduced unexpected out of date corridor notifications caused by changes of horizonal baselines and corridor surfaces.
Reduced unexpected out of date corridor notifications caused when clicking OK to close the Assembly Properties and Subassembly Properties dialog boxes when no parameters were changed.
Data Shortcuts
Fixed an issue in which opening a data shortcut source drawing would switch to the original drawing after the source data was opened.
Fixed an issue in which a corridor data shortcut was referenced incorrectly.
Fixed an issue in which the current data shortcut project was reloaded when clicking Cancel in the Set Working Folder dialog box.
Fixed an issue in which the data shortcut reference out of date status was not updated after the broken reference was repaired.
Fixed an issue in which corridor baselines could not be referenced using data shortcuts.
Fixed an issue in which duplicate data shortcuts with the same name were generated when repairing a broken data shortcut or reference.
Enhanced the data shortcuts Repair Broken References command to provide an option to fix the broken reference by using the data shortcut with the same Name for a Handle Only reference or by using the data shortcut with the same Handle for a Name Only reference.
Improved performance by not loading the most recent data shortcut project when starting Civil 3D. There is a new system variable LoadRecentDSProjectOnStartup which can be set to 1 to enable the old behavior.
Significant performance improvements have been made when working with large data shortcut projects. For an Autodesk Docs-based dataset with 500 data shortcuts the following improvements were observed: The Set Working Folder command was 30 times faster, as was loading a project on startup of Civil 3D and loading an associated project when opening a drawing.The Set Data Shortcuts Project Folder command was 20 times faster.The Refresh command was 60 times faster.The Repair Broken Shortcut command was 5 times faster. Depending on the project size, the improvements might differ. Local area network (LAN) projects will see slightly lower but still significant improvements as well.
Dynamo for Civil 3D
Fixed an issue in which a Dynamo script failed after closing the Dynamo Player.
Fixed an issue in which files in the same folder as the drawing file would be removed accidently after running a Dynamo script and publishing to ArcGIS.
Added a Dynamo Binding setting in Dynamo for Civil 3D to turn trace data on and off.
Updated Dynamo Core to Dynamo 2.12.
General
Added the capability to show out the of date shield mark on the collection parent level in the Prospector tree.
Added a tooltip that is displayed while hovering the cursor on an out of date shield in the Prospector tree.
Fixed an issue in which exporting simple geometry as KML from Civil 3D resulted in geometry at the wrong location in Google Earth.
Improved shared views to show the name of objects in the Model Browser.
Fixed an issue in which Civil 3D would lose focus if the AutoCAD Properties window was open.
Grading
Improved the display of glyphs that appear at the vertices of a feature line when the Grading Elevation Editor window is displayed. The display of glyphs is affected by the values of Resolution, Scale, and Layout in the Display Settings of Windows. The display is best when you use the recommended system settings and the quality of the display will decline as the value of Scale and Layout increases.
Improved usability when editing PIs or elevation points in the Grading Elevation Editor by keeping the focus on the edited points.
Intersections
Fixed a stability issue in which grip editing an intersection would cause Civil 3D to become unresponsive.
Fixed an issue in which intersections and corridors became out of date when saving a drawing that contains them.
Parcels
Fixed a stability issue that would occur when deleting parcel segments and then using the UNDO and PURGE commands.
Performance
Multiple performance enhancements have been made in Civil 3D. The percentage of the improvement on drawings will vary since the drawings contain different content, thus all the improvements mentioned below are calculated based on the sample datasets that were used for benchmark testing. Those sample datasets are shared by customers, and are real world projects. The overall time taken to run the tests on all these customers’ datasets was reduced by 50.3% when compared against the time taken using Civil 3D 2022.0.
1. Multi-Core Plotting from AutoCAD 2022 reduced the time of publishing from 8 minutes to 2 minutes.
2. Open drawing and regen time has been reduced up to 14% to 40% for drawings that contain corridors.
3. Regen time has been reduced up to 14% for drawings that contain long alignments with labels.
4. Invoking the Corridor Section View Editor has been improved up to 80%.
5. Open drawing and regen time has been reduced between 14% and 40% for drawings that contain multiple section views.
6. Opening drawings has been improved up to 61% for drawings that contain a large number of pipe network catalogs with user defined attributes.
7. Opening drawings has been improved up to 80% for drawings that have missing subassemblies.
8. Rebuilding a corridor improved up to 20% if corridors are using feature lines or 3D polylines as targets, depending on the number of vertices in the feature lines or polylines.
9. Switching from model space to paper space have been improved up to 35% if the viewport in paper space contains sections since surfaces, pipes, structures, and alignments are not drawn.
Pipe Networks
Fixed an issue in which property set values in structure tables were not shown correctly if the data was within an xref.
Fixed an issue in which some curved pipes were shown as boxes.
Added a process bar that is displayed after clicking the Create Full Parts List button on the ribbon to show the creation progress, catalog name, and family file name.
Added the ability to repair pipe networks in host drawings by using the RegenNetwork command.
Fixed an issue in which some gravity pipe labels were not shown in profile view.
Fixed an issue in which the pipe centerline was covered by hatching.
Added the ability to support staggered labels in pipe data bands.
Fixed an issue in which pipe flow was not applied to pipe properties in the Analyze Gravity Network command.
Fixed an issue in which the pipe hatch color setting did not work in section view.
Fixed an issue in which the structure boundary view direction was not correct in profile and section views.
Added a warning dialog box that is displayed if more than 5000 part sizes are included in the selection in the Part Size Creator of the pipe network parts list.
Fixed an issue in which the structure height was not adjusted when creating a pipe network from an object.
Fixed an issue in which 2D Center to Center Pipe lengths showed incorrect values.
Fixed an issue in which structures referenced by data shortcuts were not displayed correctly.
Fixed an issue in which the structure style was not correct after being referenced by a data shortcut.
Fixed an issue in which the structure boundary elevation was not same as the solid in profile view.
Pressure Networks
Fixed an issue in which the Break Pipe Run command did not work in profile view.
Refined the pressure network tee rotation algorithm so that a tee would not rotate unexpectedly.
Removed pressure pipe networks in the Export LandXML user interface.
Fixed an issue in which appurtenance dragged-state arrow location was not correct.
Fixed an issue in which the pressure pipe label anchor settings didn’t work as expected.
Fixed an issue in which the pressure pipe label rotation in profile view was not correct.
Added the ability to show the Catalog GUID in the Pressure Network parts list.
Fixed an issue in which curved pipes would not be updated when the pipe run alignment changed.
Fixed an issue in which the structure boundary was not shown correctly in profile view.
Fixed an issue in which a pipe run was detached when the pressure network catalog was removed.
Fixed an issue in which there was no warning message when the current fitting or appurtenance was not allowed to be added in the middle of a pipe run.
Fixed an issue in which a pressure network elbow was not updated after the pipe run was edited.
Fixed an issue in which the curve pipe radius was incorrect after breaking a pressure pipe run.
Fixed an issue in which a pipe run wouldn’t be detached when an elbow was swapped to a tee or cross.
Fixed an issue in which a pipe run would be detached after a tee was swapped.
Fixed a performance issue when creating and editing a pressure pipe run with a complex profile.
Improved performance when selecting a pressure network pipe run with a profile view.
Changed the elevation reference for the Swap Pressure Network Parts dialog box to only allow Outside Top selection in path-based pressure networks.
Profiles
Fixed an issue in which the superimposed profile tool created an incorrect profile in some cases.
Fixed an issue in which the vertical geometry in a data band was incorrect when the profile was drawn using fixed entities.
Fixed an issue in which a PI label was shown outside the horizontal geometry band.
Fixed an issue in which a new profile view hatch was displayed when the layer was frozen and model space was regenerated.
Reference Templates
Fixed an issue in which the values on the Transformation tab of the Drawing Settings dialog box were unintentionally changed in a host drawing after attaching a reference template.
Fixed an issue in which section view styles could not be cleared from ACAD.dwt when setting the reference template settings.
Section Views
Fixed an issue in which the default section style could not be used for surface sections when creating sample line groups.
Fixed an issue in which the default label set for section view creation would not be held when switching to another alignment while creating section views.
Improved drawing open performance for drawings that contain section views with projected feature lines.
Storm and Sanitary Analysis
Corrected the information in a dialog box that appears after running the Edit in Storm and Sanitary Analysis command when Storm and Sanitary Analysis is not installed.
Surfaces
Added the capability to rebuild all out of date surfaces on the root surface node in the Prospector tree.
Fixed an issue in which there was redundant progress bar flashing when the surface’s point or triangle count was less than 512.
Fixed a stability issue that would occur when performing a watershed analysis on large surfaces and improved performance.
Fixed an issue in which surface reports exported to a network drive could not be opened with the specified application.
Fixed an issue in which a wall breakline was created on the wrong side when added in a top view.

New in Corridor Workflows (What’s New in 2022.1)

Corridor targeting and parameter matching has been enhanced, and a new command allows you to copy corridor properties to other regions or corridors.

New in 2022.1

  • You can now apply a corridor template to new or existing corridors. A corridor template is a DWT or a DWG file that contains one or more corridors whose properties you want to apply to other new or existing corridors. You can select which corridor in the template to use, and you can select which corridor surfaces, boundaries, and slope patterns to apply.
    • When creating a new corridor, you can specify a template to apply in the Create Corridor dialog box.
    • To apply a template to an existing corridor, you can use a new command named Apply Corridor Template. For more information, see To Apply a Corridor Template to a Corridor.
  • Corridor targeting has been enhanced:
    • The updated corridor Target Mapping dialog box has been enhanced so that when you click in a cell that requires a target, the lower part of the dialog box displays the controls required for specifying the targets.
    • The updated corridor Target Mapping dialog box is modeless so you can keep it open while you do other work. You can pin the dialog box open so it stays expanded, or you can unpin the dialog box so that only the title is displayed when you move your cursor off the dialog box.
    • Objects are highlighted in the drawing while setting the corridor targets.
      • The highlight is designed to be used with the modeless dialog box to identify what is being set as targets for the corridor.
      • When selecting a subassembly row in the Target Mapping dialog box, the subassembly will be highlighted in blue in its parent assembly in the drawing and in a corridor that is using it.
      • When selecting a subassembly row in the Target Mapping dialog box, the objects that have been added as targets are highlighted in yellow.
      • The objects that are available for targets are highlighted in light blue when they are selected in the list control.
    • Support has been added for filtering the subassemblies in the Target Mapping dialog box. Click a column heading to display a search box and check boxes which you can use to specify the filter criteria.
    • Support has been added for specifying a range to display the available objects for targeting.
    • You can use commands on the context menu to copy targets from one subassembly and paste them to one or more other subassemblies, and to zoom and pan to subassemblies.
    • It is also supported to copy a target from an offset parameter and paste it to one or more elevation parameters, and to copy a target from an elevation parameter and paste it to one or more offset parameters.
    • You can now customize the display of the columns by hiding and showing them.
  • Corridor parameter matching has been enhanced:
    • You can now match parameters between different corridors. Previously the Match Parameters command could only match parameters in regions within the same corridor.
    • You can now run the Match Parameters command from contextual menus in the drawing and from the Prospector tree.
    • You can now select the destination region from a list.
    • You can now choose the type of targets to match. Selections are now available for surface targets, width or offset targets, and slope or elevation targets. Previously the type of target was not selectable.
    For more information, see To Match Corridor Region Parameters.
  • Corridor rebuilding has been enhanced:
    • The corridor RebuildAll command has been enhanced to rebuild corridors in order based on their dependency relationships. 
    • The out of date icon is now shown at the top collection in Prospector so that you can clearly see a corridor needs to be rebuilt without needing to expand the Corridors collection.
    • Unexpected out of date notifications caused by changes in the horizontal baseline and corridor surfaces have been reduced.
    • Unexpected corridor regeneration has been reduced, for example, when changing the target object in the Corridor Properties dialog box and when clicking the OK button in the Corridor Properties or Alignment Properties dialog box without making any changes.
    • Corridor surfaces are no longer rebuilt if the definition of the corridor surface is not changed. 
  • In the Subassembly Composer, the ability has been added to rearrange (by dragging and dropping) the order of the input/output parameters and target parameters of the subassembly. Click the parameter name and drag it up or down in the order of parameters. For more information, see Input/Output Parameters Tab and Target Parameters Tab.

New in Pressure Networks (What’s New in 2022 and 2022.1)

Learn about enhancements to pressure networks.

New in 2022.1

  • Fittings Enhancements
    • Add single-port parts such as caps to the end of a pipe run.
    • Add reducers and elbows at the end of a pipe run and continue the pipe run layout with the correct pipe size.
    • Add multiple port fittings (such as wyes, tees, and crosses) at the end of pipe run and continue the pipe run layout with the correct pipe size.
    • Rotate, flip, and slide fittings when needed.
    • Add a properly sized elbow at a pressure network PI point.
  • Appurtenance Enhancements
    • Add appurtenances to the end of a pipe run and continue the pipe run layout with the correct pipe size.
    • Flip and slide appurtenances when needed.
  • Pipe Run Enhancements
    • Delete pipes at the end of a pipe run while keeping the pipe run intact. Any fittings and appurtenances attached to the deleted pipe and not connected to the pipe run will also be removed.
    • You can now rename pipe runs in the pipe run list on the Prospector tab.
  • You can now view the catalog GUID from the pressure network parts list.

New in 2022

  • The color and diameter of the compass can now be specified using options on the ribbon when laying out a path-based pressure network.
  • The Profile Layout ribbon tab has been updated for path based pressure networks to make it more consistent with the plan layout ribbon.
  • Spanning labels for pressure networks can now be created in plan and profile views.
  • PVIs can now be removed from overridden station ranges of pressure network in profile view that are set to static (non-dynamic) state. When selected, the Clean Up PVIs check box on the Pipe Run Profile Settings dialog box removes PVIs from overridden station ranges. You can use the Apply button to preview the changes in the drawing.
  • A command named RegenPressureSolid was added to regenerate 3D solids for pressure network parts.

API Enhancements (What’s New in 2022.1)

Several additions have been made to the Civil 3D API.

New in Civil 3D 2022.1

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

  • Cant
  • Corridors
  • Cross sections/section views
  • Data shortcuts
  • Superelevation views

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

Project Explorer

New in 2022.1

Project Explorer for Civil 3D 2022.1 Update has been enhanced with new tools to support the creation, editing, and reporting of railway designs. This update also contains enhancements to make tables and reports more customizable.

  • Added rail industry alignment enhancements:
    • Added the Cant Curves tab for alignments with SuperelevationType = Cant.
    • Added Cant properties to the Alignment Calculated Stations list.
    • Added the Track Width data column to the Alignments list.
    • Added the Design Speed data columns to the Alignment Entities list.
    • Added the Design Speed data column to the Alignment PIs list.
    • Added the Design Speed data columns to the Profile Entities list.
    • Added the Design Speed data column to the Profile PVIs list.
    • Added a Cant Gradient Format option to the Layout Style definition.
    • Added alignment report support for cant curves.
  • Added enhanced support for tables:
    • Added better support for multiple fonts and text styles within the same table and report.
    • Added multiple line support for title and header rows in tables and reports.
    • Added support for grouped column headers in tables and reports.
  • Added support for scaling the application icons in a 4K display environment.
  • Added an extra field to the Alignment PIs list to provide a new PI station value which is calculated perpendicular to the alignment.

New in Rail Workflows (What’s New in 2022.1)

Use new commands to create rail turnouts and crossovers.

New in 2022.1

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What's New

Civil 3D 2020.6 Update

Autodesk has released their latest update for Civil 3D 2020. Below are the fixes and new features…

Note: Autodesk Civil 3D 2020.6 includes the product fixes included in the previous updates for Civil 3D 2020.

Alignments
Fixed an issue in which alignment minor station labeling did not work as expected.
API
Fixed an issue in which a sample line could not be created at an alignment start station or end station using the API.
Data Shortcuts have been refactored away from ARX and moved to the DBX module level, in order to be moved by the API.
Fixed an issue in which the API sectionViewBandSet.ImportBandSetStyle would not import a band set style.
Added the ability to return 0 for Catchment TimeOfConcentration API.
Added a new API, SectionView.SampleLineId, to support getting the object ID of a sample line. Added a new API, SectionView.SectionViewGroupName, to support getting the SectionViewGroup name. Added a new API, SectionView.SectionViewGroup(), to support getting the SectionViewGroup object.
Added a new Expression.ReferenceString API to get the reference string of a Expression that can be used to create other expressions.
Added an API, GetDSProjectId(), to get the data shortcut project ID according to the project path. Added an API, AssociateDSProject(), to associate a data shortcut project to the current drawing.
Added a new API, SectionViewGroupCollection.Add(), to support setting section options when creating section views. The available section options in the API include: Draw, Clip Grid, Label Set, Override Style.
Added a new API parameter to the function SectionViewGroupCollection.Add() to support setting the section view style when creating section views.
Added a new API parameter to the function SectionViewGroupCollection.Add() to support setting the section view band set style when creating section views.
Added an API, RepairBrokenDRef(), to repair broken DRef entities in a host drawing. Added an API, GetReferenceInfo(), to get reference information on a DRef entity.
Added a new API, FeatureLine.CurvesCount, to support getting the curve count of a featureline. Added a new API, FeatureLine.GetCurveRadius(), to support getting the radius value of the curve in a featureline. Added a new API, FeatureLine.SetCurveRadius(), to support setting the radius value of the curve in a featureline.
Added an API, CreateReference(), to create a Data Reference entity at the host drawing according to the host and source database, entity name, and entity type of source drawing.
Added a new API, SectionViewGroup.UpdateLayout(), to support updating the layout of a section view group.
Added a new API, SectionViewGroup.ImportLabelSetForSectionsInGroup(), to support importing a label set for sections in a section view group.
Added a new API, SectionOverride.ImportLabelSet(), to support importing a label set for sections in a section view.
Added support for section corridor points labels in the API. Added a new label group SectionCorridorPointLabelGroup. Supported adding and removing corridor points label items in a section label set.
Added support for running a quantities report in the API as a new static method of the SampleLineGroup class.
Updated an API, CreateReference(), to create a Data Reference entity for a Corridor at the host drawing.
Updated an API, CreateReference(), to create a Data Reference entity for a Surface at the host drawing.
Updated an API, CreateReference(), to create a Data Reference entity for a ViewFrameGroup at the host drawing.
Updated an API, CreateReference(), to create a Data Reference entity for a SampleLine at the host drawing.
Updated an API, CreateReference(), to create a Data Reference entity for Pipe Networks at the host drawing.
Added an API, RepairBrokenDataShortcut(), to repair broken Data Shortcut objects in a Data Shortcut project.
Added a new API, Section.CorridorSurfaceId, to get the corridor surface object ID if section type is corridor surface.
Added a new data shortcut API, ExportableItem^ GetExportableItemAt(int index), to get the information of an exportable object. This includes the object and also its parent, direct children, recursive children, and dependent objects.
Enhanced the CreateReference() API to return a collection of ObjectIds, including all of the ObjectIds created.
Enhanced the GetExportableItemsCount() API to return SampleLineGroups but not SampleLines.
Added a new API, SectionCorridorPointLabelGroup.getDisplayedSubEntities(), to get sub-entity labels that are displayed in the drawing and have valid anchor info.
Added two new properties in SectionCorridorPointLabelGroup, StaggerLineHeight1 and StaggerLineHeight2, to support setting the stagger line height.
Fixed a defect in method SurfaceElevationLabel.Create(), where an elevation label created on XReffed surface did not appear.
Enhanced the CreateReference() API so that it does not return the DataShortcuts objects which are set as invisible.
Autodesk Collaboration for Civil 3D
Improved performance when switching data shortcut projects for projects that are stored in BIM 360, downloading source files only when required.
Fixed an issue that caused the host and consumer drawings in the cloud to be updated when dismissing the “Data shortcut definitions may have been changed” notification.
Catchments
Fixed an issue in which the catchment exclusionary property would exclude catchments from other catchment groups.
Fixed an issue in which the value of catchment exclusionary property was always ‘False’ after reopening the drawing.
Corridors
Fixed a stability issue that would occur when trying to open the corridor Rehab Manager with the German Country Kit installed.
Improved stability when restoring corridor bowties.
Cross Sections
Fixed an issue in which parts of corridor section labels would be moved to the wrong location in a section view when the source sample line became skewed.
Fixed an issue in which the default label set for section view creation would not be held when switching to another alignment while creating section views.
Data Shortcuts
Fixed an issue in which a data referenced alignment that was used as a reference for a pipe network was not updated after the alignment name was updated in the source drawing.
Improved performance when switching data shortcut projects for projects that are stored in BIM 360, downloading source files only when required.
Fixed a stability issue that would occur if the _Shortcuts folder is readable, but its contents such as ShortcutsHistory.xml are not readable.
Fixed an issue in which data shortcuts were created at a temp address which was caused by an automatic save in AutoCAD.
Fixed an issue in which the surface definition source xml was saved at a temp address which was caused by an automatic save in AutoCAD.
Updated the Data Shortcuts Editor to show the variable DSSysVar in the path.
Fixed an issue in which ETransmit did not include Civil 3D data shortcuts.
Fixed an issue in which the referenced pressure network name changed unexpectedly after synchronizing data shortcuts.
Fixed an issue in which Civil 3D would lock up (and the DWG file would become read only) when saving a source drawing with a shared data reference. The issue was caused by multiple Civil 3D sessions trying to read the data shortcut source drawing while it was being saved in another session. Please make sure the system variable DataShortcutsSourceCheck is turned off (set its value to 0) in Civil 3D on every computer working on the same project. Note that when the system variable DataShortcutsSourceCheck default value is set as 0, a notification will be displayed in the host/consumer drawing whenever the source drawing is saved, even without any entity/geometry change.
Drawing Import/Export
Fixed an issue in which the Export to DGN setting “Use remapping file” would not work for Microstation Connection.
Fixed an issue in which nested xref drawings did not show exploded objects after using the Export to DGN command.
Added the ability to use Microstation Connect when exporting a Civil 3D drawing to DGN when both Connect and V8i are installed.
Added a new system variable named DGNOpenAfterCreation to keep Microstation open after a drawing is finished being exported to DGN.
Added the ability to use the user’s UCF when exporting a Civil 3D drawing to DGN when Microstation is installed.
Fixed a stability issue that would occur when exporting a Civil 3D drawing that has xref drawings that contained points.
Added a setting to set a sleep time so that MVBA has time to run after exporting a drawing to DGN.
Feature Lines
Fixed a performance issue that would occur when selecting feature lines while the Properties Palette was open.
Fixed an issue in which feature lines that were used as corridor baselines and located in a site would disappear from the site.
Fixed an issue that caused invisible alignments to be created while updating a feature line which is the baseline of a corridor. Related to this issue, customers are encouraged to use the PurgeHiddenAlignsfromSites command on drawings that have feature line-based corridors. If you do not run the PurgeHiddenAlignsfromSites command prior to editing a feature line in a feature line-based corridor, and you subsequently have issues with the feature line that is used in the corridor (for example, it is missing and you can no longer select it), undo your changes or close the drawing without saving it, reopen it, and then run the PurgeHiddenAlignsfromSites command.
Errors that will lead to missing feature line issue are automatically detected and fixed when opening a drawing. This operation will only run when Civil 3D detects a potential error in the drawing.
Fixed an issue in which PI points would be added at incorrect locations of a feature line when using the _AeccFeatureLineCrossing command when the intersected point is far away from the feature line in 3D space.
Hydrology
Fixed an issue in which a blue line was shown in the culvert analysis results in the Hydraflow Express Extension.
Improved culvert analysis performance in the Hydraflow Express Extension.
LandXML
Fixed an issue in which LandXML import would create an additional copy of an imported pipe network.
Fixed a performance issue that would occur when importing surfaces from a LandXML file.
Added an option to the LandXML Import Settings to control whether to add breaklines. Import performance is improved when the option is set to Off.
Miscellaneous
Fixed a stability issue that could occur when opening a drawing.
Support for Autodesk Docs and the new rebranded Desktop Connector has been added. The User Interface now refers to Autodesk Docs instead of BIM 360.
Pipe Networks
Fixed an issue in which velocity values reported in different tables in the gravity network analysis report were not consistent due to precision differences in the calculations.
Added a warning message in the Event Viewer when a structure height is edited so that the height is outside the allowed range specified by the part’s Rim to Structure height.
Added the ability to store structure type and tail water data for a null structure.
Fixed an issue where the style, rules, and other settings could not be changed in a parts list for a null structure.
Fixed an issue in which the pipe network label anchor settings didn’t work as expected.
Added the ability to select the pipe length for gravity network analysis.
Added the ability to change a structure type from “None” to “Outfall” when using the Analyze Gravity Network command.
Fixed an issue in which some of the output was incorrect in Analyze Gravity Network report.
Added the ability to support more anchor points in plan and profile labels for pipes.
Profiles
Added the ability to support pipe and pressure pipe expressions in profile view bands.
Quantity Takeoff
Fixed an issue in which Quantity Takeoff was affected by an empty material subcriteria setting.
Reference Templates
Fixed an issue in which Civil 3D would close unexpectedly or a code set style would be corrupted when attaching a particular template to a particular drawing.
Reports
Enhanced the AeccReportAlignPoints command so that using the NETLOAD command to load AeccTransportationX.dll and restarting Civil 3D is not necessary in order to run the report. You can also enter ReportAlignPoints at the command line to run the command.
Fixed an issue in which many design profile types were excluded from the Transportation Extension reports.

Learn about new features in the latest release of Civil 3D. For technical details. Feature Line Editing Use new commands to insert points on crossing feature lines, to edit the grade or slope on multiple feature lines, and to set the elevation of a point on a feature-line based corridor at a given grade or slope from a specified location. Autodesk Collaboration for Civil 3D Support has been added for reference templates and sheet set data files. ArcGIS Workflows Refresh an ArcGIS dataset in your drawing so that it matches the ArcGIS dataset online, and add new Civil 3D objects to ArcGIS. Gravity Network Analysis Enhancements

More features

API Enhancements Several additions have been made to the Civil 3D API.

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General

Time to Vote for AU 2021 Classes

Please help in voting for my classes for AU 2021.

https://www.autodesk.com/autodesk-university/conference/proposal/Put-Your-Model-Motion-Twinmotion

https://www.autodesk.com/autodesk-university/conference/proposal/Civil-View-What-it-And-how-do-I-use-it

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General

Civil 3D and InfraWorks 2022 New Releases

Head over to Infrastructure Reimagined and read about some of the new features in the years release of Civil 3D and InfraWorks 2022.

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Autodesk InfraWorks InfraWorks

InfraWorks 2021.2.1 Hotfix

Autodesk has released a new hotfix that covers the below…

General
Fixed when selecting a Bridge and keeping it selected led to the memory increasing until InfraWorks ran out of memory or the user unselected the bridge.
Avoided a crash when the configure dialog box was opened for an Imported Civil drawing and InfraWorks model was synced from BIM 360.
Added more checks for consistency on importing corridors to avoid failures.
Fixed a failure to render bridge girders on corridors comprised of multiple assemblies.
Fixed failures to generate Parametric 3D due to some Python scripts issues.
Fixed foundation elevations that were incorrect after Shift-F5 in certain cases.
Updated InfraWorks to use the latest SQLite version: 3.32.3.
Fixed some terrain issues that would prevent the user from exporting a tunnel to IMX.
Plugins
Avoided errors and skip cutting terrain when a tunnel had no meshes.
Fixed excessive curve smoothing in Revit for variable width tunnels.
Avoided cutting failures when generating decks or girders.
Ensured UI strings are localized.
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Civil 3D Fixes

Civil 3D 2020.5.2 Hotfix

Autodesk Civil 3D 2020.5.2 Update addresses issues with feature lines that are used as corridor baselines. When feature lines were located on a site and used as corridor baselines, feature lines would unexpectedly disappear from the site. In addition, unnecessary hidden alignments were created when a baseline feature line was updated. This update prevents feature lines from disappearing from sites, prevents hidden alignments from being created onto a site, and includes a new command (PurgeHiddenAlignsFromSites) to purge unnecessary hidden alignments from an existing drawing.

Check your account or Autodesk Desktop App for the download.