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Volume Computations for Spaces' Boundaries

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Nachricht 1 von 16
loh_eng_chu
1194 Aufrufe, 15 Antworten

Volume Computations for Spaces' Boundaries

Are Volume Computations in “Area and Volume Computations” calculated to Wall Center instead of “at finish faces”, currently a software limitation? If it isn’t, are there ways to tweak the Space Boundary to Wall Center? So that the Volume includes half of that wall.

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Nachricht 2 von 16
ennujozlagam
als Antwort auf: loh_eng_chu

try here? thanks

 

vvv.JPG

 

 





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Nachricht 3 von 16
loh_eng_chu
als Antwort auf: ennujozlagam

Hi @ennujozlagam ,

 

Thank you for your help. I've tried that way out before, but it apparently works out for bounded areas on 2D only. 3D volume spaces are not recalculated accordingly when i select that checkbox "At wall center". 

 

Best Regards,

Eng Chu

Nachricht 4 von 16
ennujozlagam
als Antwort auf: loh_eng_chu

Post screen shot here for better understanding of what you are trying to achieve? Thanks




Remember : without the difficult times in your LIFE, you wouldn't be who you are today. Be grateful for the good and the bad. ANGER doesn't solve anything. It builds nothing, but it can destroy everything...
Please mark this response as "Accept as Solution" if it answers your question. Kudos gladly accepted.
Nachricht 5 von 16
RDAOU
als Antwort auf: loh_eng_chu

Room/Space volume is calculated up till the face of the walls/bounding element...ie the net volume of the space.

 

If you want it calculated to centers, you can do one of the following

  1. Derive it from the schedule ... set are to wall centers and add a calculated value area x Limit Offset 
  2. Make walls not bounding and use space/room separators

 

 

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Nachricht 6 von 16
barthbradley
als Antwort auf: loh_eng_chu

Volumes are ALWAYS computed to/from surfaces.  

 

About Volume Computations | Revit Products | Autodesk Knowledge Network

 

...read "Note:Room volumes are computed to the wall finish, regardless of the Room Area Computation setting" in attached Link:

 

Help | How Room Volume is Computed | Autodesk

 

 

Nachricht 7 von 16
ToanDN
als Antwort auf: loh_eng_chu

@loh_eng_chu 

 

Do any of your spaces have a sloped / stepped floor or ceiling?

Nachricht 8 von 16
loh_eng_chu
als Antwort auf: ennujozlagam

Hi @ennujozlagam ,

 

Attached is a sample room space selected (in blue), the boundary is up til its finished wall surface. We wish to extend this space boundary to the red dotted boundary which represents the "center of wall" 

 

This can be done in area 2D, but not in volume 3D currently
loh_eng_chu_0-1629165231495.png

Thank you.

 

Nachricht 9 von 16
loh_eng_chu
als Antwort auf: RDAOU

Hi @RDAOU ,

 

Thank you for your help, this is interesting. May i know for point 1. At which setup do you set it to wall centers and what formula settings you use for the calculated value area x Limit Offset, if there is a example for it?

Thank you.

Nachricht 10 von 16
loh_eng_chu
als Antwort auf: barthbradley

Hi @barthbradley ,

 

Thanks for the help and provided shared links. Previously, i'm pondering whether this is currently maybe a software limitation where there is no straightforward answer to it, this is more clear now.

 

 

Nachricht 11 von 16
loh_eng_chu
als Antwort auf: ToanDN

Hi @ToanDN ,

 

Thank you for the assistance. Yes I believe for certain spaces like the WC and some mechanical rooms/duct/risers would have it. Do you know for these such cases, would the volume be computed based on the gradient of the bottom/top level which is the FFL and FCL for that room?

Nachricht 12 von 16
barthbradley
als Antwort auf: loh_eng_chu

I don't know if this will help you now, but another way you can calculate Room Volume from Wall Center is to use Room Separation Lines, in lieu of Walls, to bound your Room.  Manually place the Room Separation Lines a Wall Center and uncheck Room Bounding in your Walls' Properties .  

 

 

Room Volume.png

Nachricht 13 von 16
loh_eng_chu
als Antwort auf: barthbradley

Hi @barthbradley ,

 

I see, my team have tried this way before. Apparently, it only affects area computation for room boundaries. Spaces boundaries which computes volume is still computed based on wall finishes.

 

loh_eng_chu_0-1629169864651.png

 

 

Nachricht 14 von 16
barthbradley
als Antwort auf: loh_eng_chu

Not sure what's going on over there, but here looks good.   Are you using Room Separation Lines AND unchecking "Room Bounding" under the Walls' Properties? 

 

Space Volume.png

Nachricht 15 von 16
loh_eng_chu
als Antwort auf: barthbradley

Hi @barthbradley ,

 

I've just did that again and it works. Amazing, i think that solves it. Do you know in any way these spaces can be seen as 3D "objects" in 3D view?

 

loh_eng_chu_0-1629171585699.png

 

Thank you.

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