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Thread: Area of "Not Placed" Rooms?

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    AUGI Addict DaveP's Avatar
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    Default Area of "Not Placed" Rooms?

    We've got a system for adding the "Programmed Area" for all of our Rooms.
    Then we have a Calculated Value for Over/Under (Area - ProgrammedArea) and another for Variance (Area / ProgrammedArea).
    This all works pretty well for comparing the Actual Areas to the building Program. I'm having a problem, though with the "Not Placed" Rooms. Their Area shows in the schedule as "Not Placed", which is OK, I guess, but I'd like to be able to report that area as 0 in the other Calculated Values. Those field just show up as blank now (see image). That means that the "Over/Under" does not report anything for a Not Placed Room instead of reporting the Programmed Area, which makes my Totals wrong.
    Tried making another Calculated Value field and setting it to equal Area, but it's blank, too.

    Is there any way I can get a usable number from a "Not Placed" Room?
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    Last edited by DaveP; 2012-04-23 at 01:30 PM.

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    Certifiable AUGI Addict twiceroadsfool's Avatar
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    Default Re: Area of "Not Placed" Rooms?

    "Not Placed" is a Null value, it wont work with a formula. Its like the "half checked" default of Yes/No parameters that is NOT a yes value.

    best you can do is have a schedule listing just the Not Placed, reminding you to place them. Or a conditional Formatting, although im not sure that will work either, with a null value...

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    AUGI Addict DaveP's Avatar
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    Default Re: Area of "Not Placed" Rooms?

    Pretty much what I expected, but I thought I'd ask anyway.
    I tried making another Calculated Field and setting it to various thing,s but none of them worked. Here' what I tried:
    • Area
    • if (Area, Area, 0)
    • if (Area, Area, 0 SF)
    • if (Area>0,Area, 0 SF)
    • if (Area>0 SF,Area, 0 SF)
    • if (not(Area), Area, 0 SF)
    • if(not(Area = 0 SF), 10 SF, 0 SF)
    Nothing worked with Not Placed.
    Most of them gave me "Inconsistent Units".
    A few at least let me save the formula, but still reported blank. Nothing worked the way I wanted.

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    Wink Re: Area of "Not Placed" Rooms?

    What would the area of a Not Placed Room be? Isn't it a bit arbitrary?

    Can you filter the schedule to not include the Not Place Rooms?

    cheers

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    Default Re: Area of "Not Placed" Rooms?

    The issue is a "not placed" room still doesnt meet the criterion set forth in the Over/Under calculated values... So if you run a SEPERATE schedule that is Filtered by that criteria (we have tons of schedules that only show problem areas) they wont show up.

    Specifically, if youre using an Add-in or API function to prepopulate from your Programming software, ALL of the rooms are unplaced. And ALL of those rooms should show up in such a Filtered schedule, UNTIL theyve been placed AND have the right area. Unfortunately, null values in Revit are a bit of a touchy thing. Theyre nasty.

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    Default Re: Area of "Not Placed" Rooms?

    strangely you can filter using Area > 0 (or Area < 0) but doesn't work in formula, bug?

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    AUGI Addict DaveP's Avatar
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    Default Re: Area of "Not Placed" Rooms?

    Quote Originally Posted by cliff collins View Post
    What would the area of a Not Placed Room be? Isn't it a bit arbitrary?

    Can you filter the schedule to not include the Not Place Rooms?

    cheers
    Let's say our Building Program says the Programmed Area for Exam Rooms is 100 sqft (10 rooms at 100 sqft. each)
    Our Revit model has five of the Rooms placed and the other 5 Not Placed.
    The Schedule says the Total Area is 500sqft, but the Over/Under says everything is perfect. It should report a discrepancy of 500 sqft, but since those values are nul, they don't report.
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    Last edited by DaveP; 2012-04-23 at 01:32 PM.

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    Wink Re: Area of "Not Placed" Rooms?

    Yes-- I see the problem.

    As Aaron mentioned, it's the null value causing this.

    I suppose you just need to place the rooms and have the schedule report based on placed rooms only. The not-placed rooms are floaters which are not helping or adding much value,
    so it's best to get them placed properly, IMO.

    Trying to get Revit to do SD/Programming work is a bit challenging. Trelligence Affinity for Revit does this task very well, and links into Revit.

    cheers

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    Default Re: Area of "Not Placed" Rooms?

    Dave,

    I know this is dirty but couldn't you create a few rectangles by using room separation lines and add these rooms to this temporary location? Create the rectangles small enough to let you know the area of those rooms is not the right ones and has to be reviewed to meet the program (it can't be zero because I think Revit has a limit to a minimum room width - something like 11" if using room separation lines and 5" if using walls...). That said, if using walls, your rooms would have an area of approx. 0.17 SF. The schedule, not considering the decimals, would report zero for the area of the rooms.

    Andre Carvalho

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    Red face Re: Area of "Not Placed" Rooms?

    By the time you draw all the room sep. lines, could you not just place the rooms?

    Maybe I'm missing something here.......

    cheers

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