Forums >> Revit Building >> Technical Support >> Inserting multiple Families causes project to freeze

ljenkins

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Hi all, unsure if i'm posting in the correct section, any help or thoughts would be appreciated with this.

We use Revit MEP 2009 for our projects which are generally generator installations or HVAC, we do a small ammount of modelling mainly for the generator itself, ductwork, penetrations, battery racks, AC etc.

A larger project we are currently doing requires more then a few generators and battery racks to power them, after inserting 4 or 5 of these battery rack families, Revit will freeze and has to be restarted, this will happen each time tested on a few of our PC's on the network.

 This is odd as we've done larger projects with more complex families (these one's are between 300kb-800kb each), the families have been tested on other projects and freeze up everywhere.

 So i suppose the question is how can i reduce the size of the families, or get the main project to handle multiple families of a large size more efficiently.

 If anyone's got any ideas i'd appreciate it.

 Cheers.

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ljenkins

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I couldn't see an edit option, I also attached an image of the battery rack, as you can see it's fairly basic but the file size is still over 400 kb.

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KingRevit

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bauhaus1919

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WWHub

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ljenkins

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Thanks for all the replies people.

Firstly the comp specs:

P4 2.8GZ Duel, 2gb ram, ATI 9550/X1050 SERIES 256MB graphics, roughly 15gb of space on C:/ (Should also point out that we're on a network here and have the same problem whether saving to the server or local)

The reason I believe it is not the PC is because it happens on another more high end one we've got in the office, and this is the first project that has had the problem.

The project size is about 7mb at the moment, it's nothing but walls and a concrete slab currently as we place the families such as the generator and attenuators first to get the layout correct before most other parts of the project go ahead, I should also say that the freeze-up will happen in any project with these families, it will happen when a new project is started or into an existing project etc.

 This particular family has 40 extrusions (batteries) on the racks, I've attached the family for you to see if you'd like, it's very basic.

The lagging seems to start once 3 or more of these are placed into a project.

 Thanks once again for your help with this.

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bauhaus1919

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I took your family and remade some of the geometries in a different way to try and make it easier to process. Then I dropped fifty of them into a project and was spinning 3D and everything just fine. Then realized that I had no base case, so I dropped fifty of your family "as is" into the same project. Still no freeze. So I don't know whether it actually improved the family or not. I know the file size increased slightly. *shrug*

Be aware that I rebuilt it within the family file (not from scratch), so if your computers have some sort of issue with the underpinnings of the family file, this may not make a difference either. If it still doesn't work, you can start a fresh family file and copy the geometries into it.

Also be aware that mine is shifted from the previous ones insertion point, so if you reload this into a project that already has them placed, they will slide. I didn't keep any marker to replace the object in space...I THINK it's about 2000 to the right of where it used to be, but I'll let you fix that yourself.

I hope it works. Let me know what happens. 

PS- If the computer's abilities make a difference, mine right now is Core 2 Quad Q9450 @ 2.66GHz, 4GB RAM (32-bit limited), Radeon 3870 HD, 10k Raptor 160GB boot with 120GB free.

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ljenkins

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Hi Bauhaus, thanks for your help here.

 I tested the family once more and we're still having the problem, just purely to narrow things down could you advise what version of Revit you're using, we're using Revit MEP 2009 here.

I still find it very odd that we have no problem rotating around the 3D view, but it's the plan, elevation or section views that give us the freeze.

I'll carry on testing different things here, but since it worked fine on your own station then I suppose it's not a problem with the family itself.

Cheers.

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KingRevit

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