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Carrara F.A.Q (Last Updated: 2024 Nov 05 6:06 am)
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I have similar specs as you Steve K and I lost a complete scene I was doing that was around 4.5gig in size.. There was no warning it just wouldn't load up one day after doing some work on it for the Carrara Challenge over on Daz..
Still have no idea why the file corrupted..
Using Carrara 8.5 Pro
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Wonga -
Ouch! I've had the same experience, and have adopted a policy of saving one (or two) earlier versions of each *.CAR file. Nothing gets deleted until the next file loads successfully. Its a version of the wingwalkers motto, "Never let go of anything until you've got hold of something else." Of course, I still get carried away and do WAY too many modifications to a file before I save it ... and then of course it won't load. I think my most recent failure to load was a particular Poser format object that I loaded, then modified the textures heavily, but I'm not sure.
I'm not too familiar with Windows tech stuff, but I am saving my working Carrara projects on Drive C:, the base drive. And yes, backed up with Casper software to another internal hard drive E:. And everything eventually backed up to external USB drives and DVD's. And sometimes Post-It notes.
Thanks for the tip.
The scene size for Carrara 8 or 8.5 64 bits is limited by the available RAM. I have loaded 10Gb+ scenes on a 24GB PC without a problem. Carrara actually handles large scenes very well.
You can monitor Carrara's memory usage by looking at the Performance screen in the Task Manager. Look at how much memory is taken-up when the OS is freshly loaded, then start Carrara and your scene(s) and see how much memory they take.
When you save a large scene (like 10 GB+) it is better to uncheck the compress option. The uncompressed scene will take-up a lot more disk space but, oddly enough, it will save/load a lot faster. I guess it takes a lot longer for Carrara to compress/uncompress a large scene than just saving/loading the uncompressed scene
HTH.
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Somewhere a while back somebody mentioned that Carrara will not load a file bigger than 2GB. Is that true? I'm working on a scene that is approaching that limit, and I did get an error when loading, although I doubt it was the 2GB limit (it was maybe 10% +/- under that). Some discussion here: http://www.daz3d.com/forums/discussion/61207/what-do-you-want-carrara-to-be/p2