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Exposing custom IFC properties

  • June 26, 2022
  • 1 reply
  • 77 views
M

Hi everyone,

I am trying to expose some custom ​attributes contained within an IFC so I can expose their attributes, see attached image (BIM vision IFC viewer).

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There are ​various containers (e.g. SM location) and then custom attributes within those containers.

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I followed these instructions with the GPE and Attribute Exposer but they are still not exposed.

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Thanks.

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Best answer by melb.amit

"use a GeometryPropertyExtractor transformer.

Leave 'Trait to Extract' blank to extract all the traits, but set 'Prefix Extracted Trait with Geometry Name' to yes. This will prefix each property with the property set name. This transformer will not expose the new attribute to Workbench, so you will need to add an AttributeExposer" (I wasn't sure what to expose,so I imported the IFC here and exposed everything)

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1 reply

M
  • melb.amit
  • Author
  • 1 reply
  • Best Answer
  • June 26, 2022

"use a GeometryPropertyExtractor transformer.

Leave 'Trait to Extract' blank to extract all the traits, but set 'Prefix Extracted Trait with Geometry Name' to yes. This will prefix each property with the property set name. This transformer will not expose the new attribute to Workbench, so you will need to add an AttributeExposer" (I wasn't sure what to expose,so I imported the IFC here and exposed everything)

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