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Mon, Jan 9, 2017 at 3:12:31 PM | Rounding Issue in Schedules

#1

jeclaudy


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Joined: Thu, Nov 3, 2011
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I am creating an Occupancy table and am trying to round up to the next whole occupant.

Area / Load Factor = Occupant Load.  I want to round "Occupant Load" up.  

23856 SF / 100 SF = 238.56 Occupants.  I want this to round to 239.

1015 SF / 15 SF = 67.69 Occupants. I want this to round to 68.

1047 SF / 500 SF = 2.09 Occupants. I want this to round to 3. 

 

I have entered "roundup (Area / Load Factor)" But Revit is calculating incorrect results.

23856 SF / 100 SF = Revit is now rounding this to 288... that's 49 people too many.

1015 SF / 15 SF = Revit is rounding this to 68, correct.

1047 SF / 500 SF = Revit is rounding this to 4... thats 1 too many

Why and how is this happening?

 

When I enter "(Area / Load Factor) + .4999" Revit is also giving me a wrong result.

23856 SF / 100 SF = Revit is now calculating 278.05, which would round to 278, still 39 people too many.

1015 SF / 15 SF = Revit is calculating 68.69, which would round to 69, 1 too many.

1047 SF / 500 SF = Revit is calculating 4.09, which would round to 4, 1 too many.

 

Thankful for any help on this issue!



Edited on: Mon, Jan 9, 2017 at 9:13:42 AM

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Mon, Jan 9, 2017 at 3:36:40 PM | Rounding Issue in Schedules

#2

marmiketin1


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Joined: Wed, Aug 19, 2015
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4.5 Stars: 9 Votes


Does this rounding error happen if you first calculate the exact number for occupants and then in a second parameter do the rounding? Also under the manage tab in project units you should check your rounding increment for area.


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Mon, Jan 9, 2017 at 5:55:43 PM | Rounding Issue in Schedules

#3

jeclaudy


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Joined: Thu, Nov 3, 2011
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The project Area rounding increment is set to 1.  

Yes, the same error occurs if I create a second calculated parameter such as:

roundup (Occupant Load)

or

(Occupant Load) + .4999


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Mon, Jan 9, 2017 at 8:07:07 PM | Rounding Issue in Schedules

#4

marmiketin1


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Joined: Wed, Aug 19, 2015
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4.5 Stars: 9 Votes


I set up an occupancy table on my end with some dummy values and the roundup works for me. I am not sure what the problem is with yours but maybe try deleting the schedule and recreating it. Maybe Revit glitched out on you.


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