try to render this simple interior sample scene please!

[caustic angel]

i know the upgrade to 1.1 is free. but i will wait, i think its better so.

[satyras]

Goncalo, did i missed something?



my scene ought to be identical to yours, but it is still dark

[GoncaloP]

Thats because I use to Enable Gamma Correction at 1.8, include for Input and Output bitmap files, but you can increase the dark color mapping value instead.

Gonçalo

[GoncaloP]

Also dont forget to check convert to irradiance map

Gonçalo

[satyras]

cheating with gamma correction
btw settings is greyed out, how can i enable that gamma correction?

oh, i tried to recreate this scene on other workstation with max5.1 the porblem is search dist. and max density must be 10 times smaller (units- milimeters) and also difuse multiplier 1000 instead of 100k

[GoncaloP]

You can check in your max preferences for Gamma settings to change it.

The photon parameters are based in the scene units, and usualy with meters its almost impossible to have a good detailed GI with photon mapping because of the max density.

Gonçalo

[pengo]

wich units do u use for interiors?

Hi to all
welcome back!

to Goncalo :

"The photon parameters are based in the scene units, and usualy with meters its almost impossible to have a good detailed GI with photon mapping because of the max density.

Gonçalo"
wich units do u use for interiors?

[satyras]

enabling convert to irradiance map kills max when about ~1.5Gb ram usage reached (total system memory 1Gb)

[GoncaloP]

Hi Pengo,

This is how I setup my units:

Scene Units Scale - 1 Unit = 1.0 centimeters or milimiters

Display Unit Scale - Metric - meters

For the models I use real world metric units

Gonçalo

[pengo]

HI Goncalo

HI Goncalo

you are punctual like a swiss watch!!

thank u for the answer to the previous question!!!!

To have better shadows details on little objects like a vase or a glass on a table inside a big room what can I use? is it better gi or photon mapping?


bye and thanks again

[GoncaloP]

I m sorry, but I think it really depends of the scene... without seeing it I dont know the answer...

Gonçalo

[yog]

Satyras - This shouldn't be the case, I only have 512RAM in my comp and it renders just fine, and I don't believe my system is paging memory to do it.

Pengo - Thank's to GoncaloP's examples I'm becoming a fan of photon mapping. I have a test scene like you describe for experimenting, large room, limited windows, a couple deviders, a few tables/chairs, and a few teapots on each table. With just irradience maps I have to turn the settings up quite high to get shadows where the teapots meat the table (all exterior lights only), but with photon mapping I get faster results and better shaddows.
One thing I found that helps is to use photon mapping for both the primary and secondary bounces, so you can see how dense your samples are, it renders very fast and so is easy to tweak, then when you are happy switch the primary bounce to irradence map.

[guardian256]

G's the man

hey yog, any chance you could post the scene for us to play with ?

ta

[GoncaloP]

enabling convert to irradiance map kills max when about ~1.5Gb ram usage reached (total system memory 1Gb)

Probably that happens because you are playing with with a very number small number at max density.
The max density number is to to avoid memory problems.

Gonçalo

[pengo]

thank u YOG

thank u YOG

I thought that the photon was less accurate than the irradiane map!!!

you given to me another solution