SomeQuestionsFromNewUSER

CoolColJ · Post by **CoolColJ** » Thu Sep 06, 2007 12:51 pm

vux wrote:stupid question
Why Viloet dont have 32-bit output (tif,exr)?

you can use indigo to save out an EXR, edit the inifile in the Indigo directory where it says to save out an EXR from false to true, and then resume the render, so the next time Indigo saves out to the IGI file, it will also save a PNG and EXR image

Yeah Voilet should save out an EXR

vux · Post by **vux** » Sun Sep 09, 2007 5:24 am

how i need set intencity of Sun or maybe I need to increas ISO???

Kram1032 · Post by **Kram1032** » Sun Sep 09, 2007 11:04 am

@vux:
???

You want to have a stronger sun? - ISO wont work for that, as other lightsources also would get brighter.

You need to make them weaker...

Or what do you mean xD

CoolColJ · Post by **CoolColJ** » Sun Sep 09, 2007 1:26 pm

you can use tonemapping to make the sun bright or lighter

vux · Post by **vux** » Sun Sep 09, 2007 7:47 pm

I dont realy understand parameters - sky turbidity and gain

manual dont help me...

CoolColJ · Post by **CoolColJ** » Sun Sep 09, 2007 8:30 pm

turbidity is like clearness of the sky, higher around 4-5 will give it a more thicker darker/duller greener look

while around 1.8 to 2 is like a clear blue sky. This is like atmospheric density or something. This will change the skylight lighting.

gain - I don't know how that works in Blender. I guess it just make things brighter or darker

vux · Post by **vux** » Sun Sep 09, 2007 8:36 pm

When I change gain I realy dont see any changes

for Turbidity - thanks. Now I understand why in many times i had greeny

-sky

vux · Post by **vux** » Sun Sep 09, 2007 9:17 pm

Last time I realy see some artifacts (steps) in contrast regions - like strong edjes at backround

Who can help me?

vux · Post by **vux** » Sun Sep 09, 2007 9:33 pm

it is example of my problem

CoolColJ · Post by **CoolColJ** » Sun Sep 09, 2007 9:33 pm

I don't think sky gain is supported by Indigo anymore

that's either supersampling issue or tonemapping, too much burn issue

vux · Post by **vux** » Sun Sep 09, 2007 9:34 pm

supersampling issue or tonemapping

i used default tonemapping whitout any corrections

vux · Post by **vux** » Sun Sep 09, 2007 9:35 pm

I need more than 2 supersamling factor or what?

I think that in contrast edjest lacking noise

CoolColJ · Post by **CoolColJ** » Sun Sep 09, 2007 9:46 pm

yeah if you want a cleaner edge that's what supersampling is for try 3-4, but if you go much higher then you will run out of memory, so better to render at larger resolution with 3-4 supersampling

slows the render speed down a bit especially if you have image refresh/save and save to IGI too frequently.

vux · Post by **vux** » Sun Sep 09, 2007 10:17 pm

In scene with around 20000-30000 polys and renderSize 4000x3000
supersamplig=1 -> RAM=680Mb
supersampling=2 -> RAM=1450Mb
its NOT good

CoolColJ · Post by **CoolColJ** » Sun Sep 09, 2007 10:58 pm

well don't render so large an image

or get more ram......

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