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Thread: impossible where is layers in revit ?

  1. #11
    Senior Member ahmed_hassan's Avatar
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    of course i was working on autocad i think it is bye bye for architects but i am trying to reach my point by asking this old fashion questions that i discovered it right now after then i switched to archicad i believe this will help to make me learn some concept of revit which will help into learn more faster in revit then i am trying to switch to revit i still relying on archicad until now i am ambitious to leave it after mastering revit with your great answers but now indeed i am trying to switch fully to revit because i am seeing that i have further flexibilty to edit it in 3d and archicad do not have this features
    yeah you are right with one click in graphic/visibilty from imported categories i witched it off nice guys you are helpful and i thank you all i think i will change my mood in the question
    ok what about if i export to autocad i need to give it to consultants with little layers as possible they told me the file should have no many layers can revit offer me that
    Last edited by ahmed_hassan; August 18th, 2011 at 08:01 PM.

  2. #12
    JBZ
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    Look into Import settings & Export Layers Settings, write your necessary custom lists and have at it...
    Import Layers Settings: INSERT TAB>IMPORT PANEL>(Little down arrow next to the word Import)
    Export Layer Settings: APPLICATION BUTTON (Big R)> EXPORT>DWG/DXF> (Hit the button with ..., just to the right of SELECT EXPORT SETUP...

    You can create any number of import or export setups, save them and reuse at will...

    In whatever-cad that uses layers you may want to use OVERKILL & PURGE since 3D objects have more than one boundary, so there can be overlapping "lines" where there are several potential objects on top of one another in fake 2D world... like window headers, jambs, walls, etc...
    Last edited by JBZ; August 18th, 2011 at 08:03 PM.

  3. #13
    Forum Co-Founder Alfredo Medina's Avatar
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    Quote Originally Posted by JBZ View Post
    Ahmad,
    Several things... We are all really helpful here and if you simply refrain from complaining and just ask a clear question from the start you will get great answers much faster. I am not surprised that many others haven't answered you already (as they would normally do)...
    Well said.

  4. #14
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    sure, just define it in the export layers definition. You can have everything on the same layer, or different layers, just as you like.

  5. #15
    Moderator gaby424's Avatar
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    Some filters:

    http://screencast.com/t/YGBAJQ4nDMDO
    http://screencast.com/t/t7R9mvJBw

    we have to convert same archicad experts here

    p.s. i`m typing like a drunk man in the movies. Isn`t it? i wonder why ?
    Last edited by gaby424; August 18th, 2011 at 08:49 PM.

  6. #16
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    Quote Originally Posted by JBZ View Post
    Ahmad,
    Several things... We are all really helpful here and if you simply refrain from complaining and just ask a clear question from the start you will get great answers much faster. I am not surprised that many others haven't answered you already (as they would normally do)... your initial comment was a bit ...well I have nothing good to say about it, so I won't...
    Ok, I'm going to stop to respond to rants like these... If it's giving you this much grief, please return to Autocad. Frankly it's quite annoying to have to keep reading through all this crap and then try to figure out what you mean. Post the question, use a acad screenshot on what you want if necessary but stop bugging us/me with frustrations which, to be honest, are solely based on the fact that you are trying to work with software you do not understand in a way that it is not meant for.

    O, and use some interpunction too, that would make a world of difference!

    As for your question: I think that it has been answered already: use filters. Export dwg's: use the settings defined in the export menu.

  7. #17
    Senior Member ahmed_hassan's Avatar
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    ok forgive me for this i am beginner in revit soon or later i will stop this old fashion question but can i know if it is possible that for example if i have revit architecture 12 i can save it to prior version like 2011 and 2010 or this is not available

  8. #18
    Moderator
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    Nope. Can't save down Revit files. Ever.

  9. #19
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    No you can't. And hopefully you never will.
    Revit has always been like this (also when it was not yet purchased by Autodesk), and it's the reason that the software can be developed very quickly compared to software that is backwards compatible. Programmers don't have to walk on eggshells so that the files can always be saved down. So I'm a big fan!

    And to be clear: I really don't mind a beginner's question. The best way to learn is to try and ask more advanced users if you can't figure it out on your own. It's just the "I want to do it like autocad"-thing that's bugging me. But enough said about that...
    Last edited by mdradvies; August 18th, 2011 at 10:10 PM.

  10. #20
    kta
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    Revit does have layers. Let's define what a Autocad layer is - original Autocad used the word "layer" to organize data and it was convenient conceptualize this by relating to 2D transparency draft/pin drafting process models that were familiar to many users of the time (1970s). With Autocad release 8 (Version 2.6 - 1987) we could draw a 3D line which made the concept of seeing layers as 2D sheets of paper obsolete. After this version, layers took on their role as visibility managers and are used in 3D and 2D cad models. Tools such as wildcard searches, auto layer generation scripts, lisp macros, layer filters, vport freeze and thaw allowed user to control the visibility of 2D and 3D cad entities. Sadly many Autocad users still see layers as this 20 year old 2d concept rather than layers as relating to visibility. You could use the words visibility category instead of layer.

    Coming back to Revit, type "vv" in a view and the dialogue shows a list of visibility categories, very similar in concept to an Autocad layer dialogue. The difference is that Revit prescribes the layer that it uses (a wall is modeled on a wall visibility layer (sorry category). These layers may be switched off in the view. To break the pattern one may add to the additional categories (layers) and override the object to that category. All very similar to an Autocad layer system but very much more structured in that users do not have to think about layers (categories). Revit also provides tools to hide elements individually, by layer as well as filters which extract information from the database using queries. We use lisp to get similar data from Autocad.

    It is not actually that different but a lot easier to use the basics in Revit - but maybe less flexible depending on what you are doing.

    As far as xrefs are concerned, link files are conceptually similar.

    Hopes this helps.

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