autocad civil 3d drawing in 3d

Autodesk AutoCAD Civil 3D Reader

Licensing options for this format begin with FME Desktop Professional person Edition.

The AutoCAD® Civil 3D Reader module allows FME to read information used by Autodesk® Civil 3D and uniform systems. AutoCAD cartoon files consist of cartoon settings and configuration, every bit well as a series of entities, or graphic elements, organized into layers.

AutoCAD drawing files used past Autodesk Civil 3D extend the entities and configuration of CAD cartoon, enabling them to contain objects useful for Architecture Engineering science and Structure (AEC).

Overview

FME provides broad back up for many AutoCAD and entity types and options and for reading and writing AutoCAD file versions up to and including 2019, as described in the Autodesk AutoCAD DWG/DXF Reader/Writer format documentation.

• Cartoon files created with version 2007 – 2009 of Autodesk Civil 3D (commonly referenced every bit just version 2007 files) are supported.
• Drawing files created with version 2010 – 2012 of Autodesk Civil 3D (commonly referenced as simply version 2010 files), and version 2022 of Autodesk Civil 3D are supported equally of FME 2014; however Alignment Superelevation sub-entities are non however supported.

The AutoCAD Civil 3D Reader is additionally capable of reading AEC data from these cartoon files; nonetheless, at that place are unlike version requirements.

More specifically, AEC data could be categorized into data, data human relationship information, settings, and project information. Of these, only data and some information human relationship data is supported by the AutoCAD Ceremonious 3D Reader. This AEC data may further exist categorized into objects, labels, and styles. Of these, simply objects are supported by the AutoCAD Ceremonious 3D Reader. The particular objects supported are listed in Feature Representation.

Background

For groundwork data on AutoCAD drawing files and their contents, delight refer to the Autodesk AutoCAD DWG/DXF Reader/Writer format documentation.

Supported Versions

FME 2021.n supports reading Civil 3D DWG files created by Civil 3D 2022 or earlier software.

Here is a list of the different forms of Ceremonious 3D data files, and what can be done with them:

• FME can read files created in Civil 3D 2022 or earlier ceremonious 3D applications.
• Information exported from newer versions of Civil 3D into older Civil 3D files are mostly not readable. The conversion process changes the Ceremonious entities into proxy data.
• Data from newer versions of Civil 3D tin can be exported to LandXML, then imported using older versions of Civil 3D. From in that location the older Civil 3D application tin can save an older version Civil 3D DWG file which FME can read.
• Civil3D entities in newer versions of Civil 3D tin can exist exported to SDF and so you tin can use the SDF reader in FME to read them (regular DWG entities can be read with the ACAD reader).

The recommendation is to ensure that the Civil 3D data that is to exist worked with, is of a version that is native to the application which created it. Otherwise, data may announced to be in the correct version, but in fact it may have undergone a conversion process which has removed some desired data.

Supported Geometries

For FME 2021.north reading from Ceremonious 3D Version 2022 or earlier Civil 3D DWG files.

Categories of Information

Supported:

• Civil 3D data (some, come across below)
• Civil 3D information relationships (some, limited to ID references)

Unsupported:

• Civil 3D projection
• Civil 3D settings

Categories of Data

Supported:

• Objects (some, encounter below)
• Parcel Segment Labels

Unsupported:

• Well-nigh Labels
• Styles

Categories of Objects

Supported:

• Alignments
• Parcels (and related User Defined Properties)
• Pipes (and related User Data Fields)
• Pipe networks
• Pressure pipes
• Force per unit area pipe networks
• Betoken groups
• Points (and related User Data Fields)
• Structures (and related User Data Fields)
• Appurtenances
• Fittings

Unsupported:

• Assemblies
• Corridors
• Feature lines
• Gradings
• Mass haul views
• Match lines
• Profile views
• Profiles
• Sample lines
• Sections
• Section views
• Subassemblies
• Surfaces
• Survey figures
• Survey networks
• View frames

Workbench Reader Dataset

The value for the Reader Dataset is the path to a DWG/DXF File(s).

Reader Overview

The AutoCAD reader first reads the header and table data from the drawing file being processed, and caches information on blocks, shape files, layers, linetypes, and applications. These buried values are referenced by entities throughout the file and are needed when processing the entities.

The reader then extracts entities, one at a time, from the entity section of the drawing file and passes them on to the rest of the FME for processing. Circuitous entities such as polylines and inserts are extracted as single FME features. If the entity has attribution stored as extended entity data, then this is also read and placed in the feature.

When the AutoCAD reader encounters an entity type it does not know how to process, it but sets the entity type of the characteristic and returns it. This characteristic is so logged by the FME correlation subsystem and the reader moves on to the side by side entity.

Esri Production Coordinate System Information

To specify the FME coordinate system, the FME AutoCAD reader can recognize a coordinate system associated with AutoCAD data by Esri products.

The AutoCAD reader volition get-go wait for the following files in the source folder:

• <filename>.prj
• esri_cad.prj

If neither of these files is present, the AutoCAD reader volition try to find an ESRI_PRJ entry embedded in the file.

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Source: https://docs.safe.com/fme/html/FME_Desktop_Documentation/FME_ReadersWriters/civil3d/civil3d.htm