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CodeCavePro / revitless-toolkit

A cross-platform toolkit for reading metadata of .rfa, .rvt etc. Reading / writing hared sparameter and type catalog files WITHOUT Revit
https://codecave.pro/#projects
MIT License
106 stars 38 forks source link

Can i convert rvt to ifc without Revit by this? #9

Closed awefire closed 6 years ago

awefire commented 6 years ago

Can i convert rvt to ifc without Revit by this? thanks in advance.

salaros commented 6 years ago

Hey @Febfire, I appreciate your interest in this library. Unfortunately .rfa/.rft and .rvt/.rte and other Revit files are encrypted and the format is closed and undocumented, just like it was with DWG file in the past, before the latter was reverse-engineered. Therefore the internals of Revit files can't be read outside Revit. However Teigha BIM project has done some progress in that direction, however from what I know it's not a production grade tool, it's still in alpha / beta

So you might use Teigha BIM to read .rvt files and then IFC SDK to persist the geometry to an .ifc file

Good luck with your project

P.S. RevitLESS toolkit can read some metadata from OLE storage inside Revit files, soon I will add some additional XML metadata parsing, but it mostly about shared parameter and type catalog file manipulation without Revit, which is still useful in many cases

danielkrajnik commented 3 years ago

hooly cow that's so bad - How much would it cost to reverse engineer rvt files?

salaros commented 3 years ago

@danielkrajnik it was already done by ODA - https://www.opendesign.com/products/bimrv Licenses are pricey, but it's great, because you can do a lot of things with it

danielkrajnik commented 3 years ago

@salaros hmm "out of the frying pan into the fire". But at least it is possible! I assume it's legal, because... clean-room method? thanks a lot for mentioning that though. Do you know about any other similar projects?

salaros commented 3 years ago

No, I think they are the only one who did reverse engineering. There is also Forge API from Autodesk which is a SaaS, it allows you to process Revit and other formats in the cloud. Please contact me at salaros@salaros.com I can describe other, less conventional, scenarios

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