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Thread: dwg to Revit 2012 - import error message

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    Member willsud's Avatar
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    dwg to Revit 2012 - import error message

    The 'Some elements were lost during import, ActiveX and some proprietary components cannnot be imported' appears when I try to link or import a survey dwg my clients inherited from previous owners (i.e. no hope of getting the originator to resave it) into RAC 2012.

    I've seen this mentioned over the years and in several forums but haven't seen a clear answer on why this happens or how it can be resolved (I don't possess Autocad although it will be coming with my upgrade to Design Suite etc. ).

    Is it just a generic error message or would anyone know if there are specific issues to look for (distance from origin I've seen mentioned).

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    Member willsud's Avatar
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    Looks like it could be something to do with distance from origin - I imported to Allplan and then exported in .dgn as dwg and dxf would not work and received an Allplan alert saying that the conversion could have problems as co-ordinates were out of range.

    So, I guess the question is how to move the origin closer (which we used to have to do in Allplan but it copes now)?

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    Member willsud's Avatar
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    OK, answered my own question

    I downloaded a trial version of Autocad 2012, opened the file and saved it back out.

    Still got the error message on import to Revit but at least the dwg came in so that I could reference it.

    (All these years using cad and this is my first copy of Autocad on my desktop - isn't that black screen weird - reminds me of 'Space Invaders' )

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    If it was a problem with the design origin, Revit would have told it. But the case is that ACAD has a completly different data storage than Revit. Zero length lines are legal in ACAD but not in Revit. So they will have to be discarded. As well as information ftom third party "ActiveX" components for instance. So the message is quite usual. My advice with handling ACAD Files is always: Open the file in ACAD delete everything you don't need, control the origin and save a new file that you then can import in Revit. I'm aware of the fact that this workflow isn't always practical. But in my opinion it's best for Revit Performance and minimizing warnings.

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    Member willsud's Avatar
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    Thanks dalmore,

    Sounds like good advice - and now that I have a copy of Autocad I'll do that in future.

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    "Mark Twain"
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    This warning has nothing to do with the origin. Could be a number of things, like Dalmore also explained. Also, dynamic blocks can cause these kind of warnings. I get this warning all the time and simply dismiss it (although it never caused the import to fail).
    A tip for those of you who DON'T posess autocad: download TrueDWG (it's a free viewer) and save the dwg back to version 2000 or so. This will kick out all those fancy shiny new stuff and most likely kill the warnings in Revit.

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    Member willsud's Avatar
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    thanks Martijn,

    I did try importing the file into Allplan 2011 and then exporting it back out, even in v12 and in desperation as v12 dxf but still the file would not import into Revit 2012 until I had opened it in A'cad 2012 and saved it back out.

    Oh well, got there in the end

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    Thumbs up Worked for me

    Quote Originally Posted by mdradvies View Post
    This warning has nothing to do with the origin. Could be a number of things, like Dalmore also explained. Also, dynamic blocks can cause these kind of warnings. I get this warning all the time and simply dismiss it (although it never caused the import to fail).
    A tip for those of you who DON'T posess autocad: download TrueDWG (it's a free viewer) and save the dwg back to version 2000 or so. This will kick out all those fancy shiny new stuff and most likely kill the warnings in Revit.
    This is my first post to this forum. Just wanted to reply: it worked!

    I did all the steps in Autocad by exploding blocks or changing the PROXYGRAPHICS to 1, and nothing worked, even trying to ignore Revit's messages. But just by saving to 2000 version, totally worked for me. Thanks a lot!

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    Glad to help. And welcome to the forum!

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