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Thread: BIM does not mean everything goes automatically.

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    Moderator Robin Deurloo's Avatar
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    BIM does not mean everything goes automatically.

    Interesting to see that people think that BIM means that everything goes automatically. Walls should snap to a standard brick size and so should windows in both horizontal en vertical direction and the actual size of the windows should only be possible to brick size as well. And when I have a fully modeled building, with gable roof, I want to be able to move an outer wall and all should still be OK. I want to be able to quickly change the building with a client at the table and tell him what the changes do with the building cost.

    He was a bit flabbergasted when I told him that is not how it works.

    Wonder what happens now.
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    Moderator Robin Deurloo's Avatar
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    And if any of you can tell me I can do the stuff I mention above, please let me know.

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    Moderator snowyweston's Avatar
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    Quote Originally Posted by Robin Deurloo View Post
    if any of you can tell me I can do the stuff I mention above, please let me know.
    All I have to say is this:

    Bricks come in many sizes.
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    Forum Co-Founder Twiceroadsfool's Avatar
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    Quote Originally Posted by Robin Deurloo View Post
    And if any of you can tell me I can do the stuff I mention above, please let me know.
    Heck no. I would just be telling the person that their expectations were completely wrong, and thats all there is to it.

    When i was in college, i had a part time job selling electronics. This was right when HD was starting to come out. Like, back in the 720p vs 1080i and all that jazz. Some kids came in to the store, and asked me for a "kit" to convert their crappy old TV in to the new HD picture. I told them there was no such thing. They (seroiusly) said "Whatever, there should be a box for like... ten bucks. And it should convert my old tv to the new stuff. Why dont you have that?"

    I mean, just because someone thinks thats how it should go, doesnt mean the statement has any basis in reality or fact. I certainly wasnt about to try reinventing HDTV just to appease some ignorant kids. You shouldnt either.

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    Moderator Robin Deurloo's Avatar
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    Quote Originally Posted by Twiceroadsfool View Post
    Heck no. I would just be telling the person that their expectations were completely wrong, and thats all there is to it.
    I did, he's going to talk to some ArchiCAD guy to see if his program does do that . Pretty sure that does not do that either, so lets see if he comes back



    Quote Originally Posted by snowyweston View Post
    All I have to say is this:

    Bricks come in many sizes.
    His idea was that there would be an option in the wall type to set the brick and joint size and it would just snap to that set parameters (which in itself is not a bad idea). No idea how he wants to do that with windows, but you can of course make a few brick parameters and use an IF function to check the size of the window against n*(bricksize), but i rather just do the math myself and adjust the windows accordingly.


    But interesting conversation none the less, just some impossible goals. Simple editing of the model while clients are at the table, construction cost should come from that right away and there needs to be a nicely rendered picture. That last one is possible if you use something like Enscape of course, which I showed him.

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    Forum Co-Founder Twiceroadsfool's Avatar
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    Except not everyone puts every window on course. And not every window IS a perfectly modular size. In fact, its not even every project that has the coursing (if there is masonry) dictating the alignment of such things.

    Editing a model in front of a client? You can absolutely do that now. I do it all the time. Construction Costs? Sure, you cna do that too.

    But that poor persons expectations are never going to happen. Be happy you pawned it off on the AC crowd. They will have so much fun showing him "what AC can do that Revit "cant."" LMAO
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    Moderator Robin Deurloo's Avatar
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    Well he told me he might need to change the way he was thinking about BIM. He was probably fooled by all the pretty stories we all heard before we started with Revit (at least I was told a few things back in 2010 that are still not possible). All he had done himself was AutoCAD. I hope he changes his mind a bit and wants to go with something doable and comes back. If him and me can find a workflow that suits both him and me (and Revit) there will be multiple projects for me, just need to educate him a bit.

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    Moderator Robin Deurloo's Avatar
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    Quote Originally Posted by Twiceroadsfool View Post
    Editing a model in front of a client? You can absolutely do that now. I do it all the time.
    Sure, but he was basically expecting to be able to just grab a outside wall in the plan view and drag it to anywhere he wants and all the stuff around it magically models itself into something that is right AND at the same time give me cost in real time AND make nice looking renderings from it right away. With some things you might be able to do that, but when there are a little more complicated things involved you will need to take some time to fix some things.

    Quote Originally Posted by Twiceroadsfool View Post
    Construction Costs? Sure, you cna do that too.
    I know of some plugins that can do that (the people from Xinaps have one) and I told him about them.
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    Member Knitro87's Avatar
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    Quote Originally Posted by Robin Deurloo View Post
    ...And when I have a fully modeled building, with gable roof, I want to be able to move an outer wall and all should still be OK. I want to be able to quickly change the building with a client at the table and tell him what the changes do with the building cost.
    What you're describing isn't impossible. It may be tedious and time consuming, but certainly not impossible. Follow the screencast link below for an over-simplified example of "everything going automatically" when moving walls and modifying roofs.

    https://knowledge.autodesk.com/commu...3-4663a6346c6a

    Construction costs are sometimes derived from square footage, wall area, and linear feet of walls. Therefore, if pricing information is included in your schedules, you can get a pretty good idea of how construction costs are impacted, real-time, as changes are being made to the model.
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    Moderator Robin Deurloo's Avatar
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    possible for simple stuff, sure, but when things get a bit more complicated you will have to test everything for every situation, to be sure it works and it will take twice as long to build the model for sure. will need a lot of locked dimensions and that kind of stuff, you know the things you would normally NOT use.

    Never really understood the cost parameter in Revit, I mean just adding all the cost of the materials does not give you the construction cost and on top of that I just don't want to be responsible for that data.

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