View Full Version : large 3D scenes
TaRkanYB 12-05-2009, 04:09 PM Hey..
Recently i modeled a scene with 750,000 polygons in 3ds max.
I don't have a good computer so the software crashes a lot when i render,
and the viewport runs very slowly...
The only thing i'd like to know is what can make it better.
Is it a RAM problem? Graphics card? Processor?
And if you can i'd like to know more information about "what part in the computer controls on what"..
Oh and sorry for my english :D
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if its in the viewport then probably the vga contributes a lot. what is your spec? 750.000 is not that much, i have a 4 years old pc still can do about two million polys.
olson
12-05-2009, 06:56 PM
Its possible the system is running out of memory when rendering. Sounds like a 32-bit system so the practical limit is going to be 2GB of memory when it craps the bed (or 3GB with the switch enabled and 4GB installed). Watch the task manager to see how much memory and virtual memory the render uses. If its running out of memory then maybe its time to upgrade to a newer system with a 64-bit operating system. Cheers!
imashination
12-05-2009, 06:59 PM
If youre asking what to upgrade, at least tell us what you have, or youre wasting everyones time.
TaRkanYB
12-05-2009, 07:00 PM
tnx for the comments guys!
I have:
Windows XP 32bit
AMD Athlon X64 5000+
Nvidia Geforce 8500GT
2GB DDR2 RAM
Oh and in 3ds max it says that it uses 1.3GB of memory..
Bullit
12-06-2009, 12:11 PM
You do have some other issue, maybe graphic card drivers or such. There is no reason for crash with that specs. I have worked with 1 Million poly and 1 Gb memory.
Take everything down: anti-virus, firewall, every crap you do have working. Check what startups with your computer with msconfig command. Also make this in order: delete your pagefile, defragment your hardisk, rebuild the page file with 1Gb max and one 1Gb minimum size to have it always same size and not get fragmented.
wwswimming
12-06-2009, 01:45 PM
tnx for the comments guys!
I have:
Windows XP 32bit
AMD Athlon X64 5000+
Nvidia Geforce 8500GT
2GB DDR2 RAM
Oh and in 3ds max it says that it uses 1.3GB of memory..
that's all adequate - except for the memory. it's not hard to upgrade, for example -
http://www.newegg.com/Product/Product.aspx?Item=N82E16820146726
$100 for 4 GB (2 x 2 GB). you would need to check that your motherboard will take that kind of RAM. what kind of motherboard (make & model) ?
that will leave your system with about 3.3 GB of RAM (because you're using XP32).
imashination
12-06-2009, 01:58 PM
No app should crash with less than a million polygons. To give you a **very** rough idea, you should be able to handle roughly 3 million polys with average texturing per gig of ram.
Apart from being a bit light on ram, theres nothing wrong with your computer, nothing that should cause it to crash. Are you using anything which would massively increase ram usage at rendertime, like sub-poly displacement, subdivision surfaces?
Youre using windows in 32bit mode, you will be limited right now to about 1.6gigs of ram, if you try to use more than this in max, then yes it will probably crash. There are two things I would do:
1) Follow the "memory limits" guide here. It will increase your max ram from 1.6 to 2.6 gigs.
http://forum.3dfluff.com/showthread.php?t=134
2) Buy more ram ;-)
TaRkanYB
12-06-2009, 05:24 PM
tnx for the comments guys! :beer:
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