Render Error

[sjefen]

I have a scene which I have tried rendering  4 times now.
The three first times the render was very big. It statet with the GI prepass, I turned of my monitor, went to work and when I got back home Terragen 2 wasn't running anymore. It looked like I never even opened the program.
I thought this was a RAM issue and went for a smaller render size. This time, I had the chance of wathing over the render from time to time. It finished the GI prepass and started the rendering. It looked all good so I decided to go sleep. When I woke up today I got this message on the screen:

"Unable to allocate memory for subdiv cache. You may be able to avoid this error by reducing the size of the sudiv cache in your render settings."

and this error:

[jo]

Hi,

Hard to say exactly with having the project file, but I would say this is a problem with running out of RAM even at the smaller size.

Regards,

Jo

[sjefen]

The render is only 1600x640 and I have 4 gig with ram. I am not sitting on a 64 bit windows, but still.
There are two populations in it as well, but they are not big.

I could send the project file, but what do I do with the populations?

- Terje

[Goms]

you can use senduit to upload a package with the project file and all objects.

[sjefen]

you can use senduit to upload a package with the project file and all objects.

Yeah, but the models/trees that I have are stuff I have paid for.
I forgot to mention that

- Terje

[neuspadrin]

how big are they?

[sjefen]

Ca 36mb.

- Terje

[neuspadrin]

you said you were using 32 bit? do you have the /3gb switch on?

[sjefen]

What do you mean by that?
I'm not very good with computers.

When I right click on "My computer" it says 3,25 GB RAM.

- Terje

[neuspadrin]

about /3gb and how to turn on:
http://forums.planetside.co.uk/index.php?topic=5818.msg60839#msg60839

Also thats to be expected with 32bit, if you have 4 gigs of ram only part of it will show due to how the os loads ram.  I suggest moving to 64bit if you can to get the use of your other .75gb of ram, I have yet to find a program that doesn't run 32bit wise while on 64, its quite compatible with both with the advantages of 64bit.

Also, how big is your subdiv set to right now?  Also try checking the "preallocate subdiv", will speed up the detection of errors.

Also what quality in quality and such are set?

[sjefen]

I have windows 64 bit on my computer, but I wanted to have 32 bit also. So when I start my computer I can choose. There is a problem tho. I must have the cd in the drive if I want to start windows 64 bit. I have also tested Terragen 2 on windows 64 bit and the sky had lot of black spots on it so I thought there was a problem and whent back to 32 bit.

My subdiv cache was set to 400, but is now set to 200. I'm doing another test right now.
Below are my other render settings:

Image width: 1600px
Image height: 640px

Render detail: 1
Anit-aliasing: 15

GI relative detail: 2
GI sample quality: 2
GI blur radius: 2

Supersample prepass: On
Preallocate subdiv cache: On

I hope it works this time, even tho I don't think it will.

- Terje

[neuspadrin]

have you tried with like aa at 8, detail .8-.9 or something just to see?

Also you had render problems with tg2 in 64bit? really? I've had 0 problems. Must have cd in drive to do 64bit?? O_o.

[cyphyr]

The black dots in the sky are nothing to do with your 64 bit version "per se" but rather your video drivers. You should be able to do everything and more that you could in a 32 bit environment in a 64 bit environment.
As long as you can load your scene in 64bit then it "should" render fine.
good luck
richard

[sjefen]

have you tried with like aa at 8, detail .8-.9 or something just to see?

Also you had render problems with tg2 in 64bit? really? I've had 0 problems. Must have cd in drive to do 64bit?? O_o.

I have not tried rendering with those settngs in this scene. I feel it's finished and want high quality

I will try fix up my computer so I don't need the cd in the drive to run 64 bit.

The black dots in the sky are nothing to do with your 64 bit version "per se" but rather your video drivers. You should be able to do everything and more that you could in a 32 bit environment in a 64 bit environment.
As long as you can load your scene in 64bit then it "should" render fine.
good luck
richard

Because I need the cd in the drive to run it I have not installed any driver yet and have totally forgot about it so this is probably a problem

I'll see what happens with the current render and get back here after that.

- Terje

[neuspadrin]

15 seems a little high for aa, even for end render.  Also .8-.9 are still very nice looking.