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IFC Alignment Extension - Reader and Writer

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danilo_fme
  • danilo_fme
    danilo_fme

fmelizard
Safer

Part of the "BuildingSmart IFC for Infrastructure Project" the IFC Alignment extension includes Road Rail and Bridges.

http://www.buildingsmart-tech.org/infrastructure/projects/alignment

The Idea is to extend the FME IFC reader/writer to support this IFC extension.

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10 replies

fmelizard
Safer
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  • Author
  • Safer
  • January 30, 2018
Safe PR#75546

 

 


Forum|alt.badge.img+3

yes please, there are too few tools which support this. However also reading Civil 3D dwg/alignment object or similar in MicroStation .dgn is very important.


jneujens
Forum|alt.badge.img
  • February 9, 2018

I guess we will have to wait until the official BuildingSmart release of IFC5?

 

 

I already asked this on the knowledge centre and safe responded. I added the link to the question below.

https://knowledge.safe.com/questions/61658/impossible-to-use-ifc-aligments-in-fme.html


maurice
Contributor
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  • Contributor
  • February 15, 2019

Absolutely, mission critical for our development of a virtual alignment here at FDOT. FME play a crucial role in CIM (Civil Integrated Management) - 3D geospatial data integration. I was hoping to see the IFC -alignment Reader/Writer in FME 2019. I read of the possibility in FME knowledge base a year ago.


maurice
Contributor
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  • Contributor
  • February 15, 2019

Totally disappointing that we won't see this in FME 2019 (:


hannupekkaranta
Contributor
Forum|alt.badge.img+3

This has been asked also by our prospect customer with high priority, well a must.


stijngoedertier

In FME 2020, it seems possible possible to read alignments already. For example, importing the IfcAlignment sample .ifc files that are included in the IFC4.1 specs (see https://standards.buildingsmart.org/IFC/RELEASE/IFC4_1/FINAL/HTML/link/alignment.htm) in FME2020 is possible.

 

Writing alignments is not possible yet. The log says:

IFC: Unable to write objects of type 'IfcAlignment'

 

 


I have FME 2021.03 and I cannot read the alignment that is defined in the program, there are lines that define the alignment parameters but then it does not load them. with a viewer (usBIM viewer+) it tells me that there are 292 elements and FME does not read them to me.


pti001
Contributor
Forum|alt.badge.img
  • Contributor
  • August 25, 2023

When does FME support alle geometry objects from 4x3?4.0 IFC


LizAtSafe
Safer
Forum|alt.badge.img+15
  • Safer
  • October 11, 2024
The IFC writer is being re-written and we are hoping to address all of the related ideas. Please add any use cases or comments to the parent idea below:


OpenArchived

Idea merged into:
davideagle
All the votes from this idea have been transferred.

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