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Forums >> Revit Building >> Technical Support >> Revit 2010 - How do I reduce file size?

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Tue, Jan 19, 2010 at 4:17:03 AM | Revit 2010 - How do I reduce file size?

#1

LSMS


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Joined: Wed, May 7, 2008
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I searched the forums but couldn't find something of relevance to 2010, sorry if I missed it.

 

The current file size is over 100MB and even when I go to a 3D view and delete all objects the file size only drops to 94MB.

I already used 'Purge', deleted all the saved renderings, removed all the unused 3D views and there are no linked files or 'in place masses' anymore.

 

My workflow consisted of creating the initial project in revit, exporting a DWG, creating a mesh in AutoCAD 2010, converting it to a 3D solid and importing it as an 'in place mass' back into revit.

I used 'wall by face' to create the form (batch wall by face would have been nice...).

 

Using the same workflow on a previous occasion, the file size was 480MB. Needless to say, you can forget about renderings, not to mention a smooth work environment... 

 

Can anyone help?


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Tue, Jan 19, 2010 at 9:15:41 AM | Revit 2010 - How do I reduce file size?

#2

WWHub


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If you are doing complicated forms and having to create them from AutoCAD meshes then you reap what you sow....  Sorry.  Perhaps if you post an image of what you are doing, some people may give you an alternative solution.

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Tue, Jan 19, 2010 at 10:12:18 AM | Revit 2010 - How do I reduce file size?

#3

38fordor


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You can do a Save As with a new name, delete the original file and backup files, and rename the new version the same as before.  Purge will eliminate extraniuos objects, however, creating a "new" file from the old will also erase the drawing history that Revit retains.  The file size reduction might not be enormous, but it does work.

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Thu, Jan 21, 2010 at 3:01:00 PM | Revit 2010 - How do I reduce file size?

#4

LSMS


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Thanks for the replies.

Opening the file with 'Audit' checked, helps, but there's nothing else I know about.

 

I used the above workflow mainly to see how capable AutoCAD and Revit are in modeling organic shapes.

 

While AutoCAD is perfectly capable of creating just about any shape you want using meshes, its downside is the difficulty of converting the shape to 3DSolids.

Revit, on the other hand, is unable to mass floors or calculate the volumes of those shapes, not to mention creating an acceptable  shell.

 

Using 'Curtain System by Face' is not possible because you would have to split hundreds of faces for the panels to fit, leaving you only with 'Wall by Face' which in many cases results in the error messages 'unable to create wall shape' or 'Unable to join...'.

Also, running a 32Bit operating system doesn't help. Mind you I'm using XP Pro on an HP Elitebook 8530w with 4GBs of RAM (2.95 RAM on 32Bit) so the hardware is no slouch.

 

So until Windows releases a service pack for 64Bit Windows 7, or more importantly, Revit 2011 improves on its modeling capabilities, freeform modeling in Revit will be a hassle.

No matter which program you use to model your shape (Rhino, 3DSMax, Maya, etc.), Revit is the weak point...

Maybe I'll try nesting multiple families made in Revit the next time around... 


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Thu, Jan 21, 2010 at 3:27:33 PM | Revit 2010 - How do I reduce file size?

#5

LSMS


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Part of the project.

Attached Images

71451_3D_view.jpg

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Wed, Mar 16, 2011 at 10:19:32 AM | Revit 2010 - How do I reduce file size?

#6

Jackicraig


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Joined: Thu, Mar 27, 2008
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I'm really late to the game on this thread, but I'll post a reply on here in case someone's searching for this later. I notice no one mentioned compacting the file. If you're using worksets, when you save/synch the file back to the central model, you can check the "Compact central file" option. I notice that when I do that, the file increases in size, then on the NEXT save, it reduces by quite a bit. When my files are big (150megs), I purge, audit, and compact, and can usually gain back about 30 megs. 

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