Split render tool and rendering problems

[Brit]

I have been using Zap's split render tool: http://mentalraytips.blogspot.com/2007/06/doing-big-renders-in-max-9.html. It worked well for the first MR render.

However, the second large render (of a similar file - split into 9 sections) produced an image with the colors quite different that the smaller renderings. I tried it twice, and both times I had different results...both very poor results as compared to the smaller (2000x1500) rendering.

It also would not stitch together with Photoshop “photomerge”, so it took nearly an hour to splice together and hide the seams.

Any suggestions?

I did the following as suggested - with a FG map at 2000X1500 locked and saved:

1. Temporarily reduce the resolution of your render to something that renders without memory issues.
2. Turn on FG and tell it to write to file.
3. Set your min/max sampling temporarily to 1/64 and 1/64 for a really fast render (FG quality will not be affected by this!) 4. Render.
5. Set back original sampling (and resolution).
6. Set the FG map to "Read Only"
7. Run the script to do your "split render".

Kind Regards,

Brit

[Brit]

Any ideas why the large rendering on the left rendered with colors and tones distorted (yellow and contrasty)- as compared to the correct colors and tones on the rendering on the right?

[daniohayon]

If you have just show those images to me without the question, I'd tell you that you have rendered them with different Gamma settings. Can you make a test using the splitter but with small final render size?

I just can't see why would you get Gamma difference just with the tool...