use GUIDs for relations - Githubissues

buildingSMART / NextGen-IFC

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use GUIDs for relations #44

Open berlotti opened 4 years ago

berlotti commented 4 years ago

1) to be able to refer to objects outside the file 2) enhance the incremental updates when using IFC in (object versioned) database

during serialization and reading it is possible to create object first and relations after that
Valid according to the 2016 version of STEP
removes dependency on STEP IDs (line numbers)

Follow up: figure out how it works in STEP 2016 version