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Thread: Basics Issue - Walls - Top constraint

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    Basics Issue - Walls - Top constraint

    I am a tad new to Revit and feel that I must be missing something elementary here. I can 't adjust the top constraint of any walls to any of the levels that are set within the project.

    I know how it should work but is there something obvious that would prevent me from doing such an obviously easy and simple a task.

    Shameful!!

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    The Moderator with No Imagination MPwuzhere's Avatar
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    Is it a linked file? Are you getting an error message? is your properties window open?

    Yeah, it is easy, select the wall and the information shows up in the properties window and you can modify the top and bottom constraints there.

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    Hi MP,

    I know what you mean, I am trying to do it through the property browser but it literally doesn't have any of the levels there to select.

    It is auto selecting the level that I am drawing the wall on as a base constraint. As it should (although it also doesn't have any other options apart from that level).

    But it doesn't have any drop down options for the top constraint - just says Unconnected. I've tried making new projects to see whether I have set something in some random menu by mistake. but doesn't help.

    they only thing it will let me adjust is unconnected height, base offset. Location line, base constraint and top constraint aren't faded as per the rest of the properties but they don't really have any of the normal functionality that I've had on other machines.

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    The Moderator with No Imagination MPwuzhere's Avatar
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    If you go to a section view where the wall is, is there another level above the base level you are drawing from? More than likely there isn't and that is why you are only given an "Unconnected" value.

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    By section view, do you mean elevation?

    If so then even if I load a new project with two levels. lay the wall down on level 0 (height = 0) and set level 1 h=10000 then it still doesn't allow level 1 as a possible top constraint.

    Out of interest if you open a new project and try to create a standard external architectural wall does it automatically generate a wall with an unconnecting height of 8000. maybe there is something in that!?

    although even if I adjust that to 100 then it still doesn't have any options. I am baffled!

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    The Moderator with No Imagination MPwuzhere's Avatar
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    You have sections and you have elevations....

    Just out of curiosity...what template are you starting with when creating the project? 10000 is a pretty tall wall, even if using MM.

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    I'm just opening a basic architectural template. it's got to levels: level 0, h=0 and level 1, h=4000

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    Quote Originally Posted by LeeCpembs View Post
    I'm just opening a basic architectural template. it's got to levels: level 0, h=0 and level 1, h=4000
    what version of Revit, and give us the Exact name of the template. There is no "basic architectural template" in the OOTB template folder for R2015 or R2016 (I don't have R2017 open at the moment) in any of the Generic, US Imperial, or US Metric folders. Templates are here: C:/Program Data/Autodesk/Rvt20xx/Templates. What's in there at your location? Maybe your install is not US so your folders/templates are different? There is a Construction template that has two levels and you can select the top constraint in the Properties window like this. Is your Properties window different?

    Edit: oh, and the levels in that Construction template are Levels 1 and 2, not 0 and 1. Something is amiss

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    The Moderator with No Imagination MPwuzhere's Avatar
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    Quote Originally Posted by LeeCpembs View Post
    I'm just opening a basic architectural template. it's got to levels: level 0, h=0 and level 1, h=4000
    So that is the US Metric template that you are using... And yes, the default is 8000, on a Imperial template it is 20'

    Changing the wall heights is pretty easy...here is a quick Screencast... I created it using the Imperial architecture template (default) so it will be the same for Metric too.
    https://screencast.autodesk.com/Embe...7-dbd347f68f0f

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    Whatt do you mean "can't"?
    Is revit refusing the operation and giving you a warning?
    If so check that your wall is set to place using a height, and not a depth, this can make constraining your walls difficult.

    Otherwise, you certainly should have inferior and superior constraints available in your wall properties.
    You can also choose to have an "unconstrained" height and instead input a value for the height (or depth)
    If you do not have these properties available, then you are not using a standard OOTB revit wall.

    You can also use the "attach/detach" command after selecting your wall, and attach it to levels, reference planes, or other elements (such as a sloped slab or a foundation, or to the ceiling - just make sure you choose first which part of the wall "top/bottom" you wish to attach then select the object to attach to.) and your wall will then constrain itself to that object.

    If your walls are "pinned" in place, you will also be unable to edit the constraints, so make sure the wall is not showing a little whiteboard pin icon when you select it, if it is unpin it by clicking on the icon and you should be able to modify your constraints.
    Last edited by Karalon10; November 15th, 2016 at 08:19 AM.

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