Important 1.5 note: no filtered maps cause noise at textures

Hi,

at my current project I use 1.5 the first time for a big project and I wonder why I get so much noise at my scene, most seen at a brush metal material with brush texture. I wonder that some materials are looking nice clean and other one noisy.

Today I found the simple solution - it seems to be a bug that every material, new created or from an exist 1.05 file get the texture filter blue value 0. In the past this value was set to 0.15 per default. So, my non-texture materials was clean and all material with fine textures (cloth, grainy wood, metal brush) seen from distance was full of noise. Finlay I set the filter at 0.3 for some materials to get the noise fixed.

Now the renderings looks much more better. I’m glad that I not started to deliver images to my client.

Micha

Here an example of before and after.

(and an example how good the interpolation works for blurry glass - super fast and noisefree, great new feature!!)


Very good find, thanks for the pointer - will fix it. Did you report the bug already in the bug tracker?

Best regards,
Vlado

Some minutes before. :slight_smile:

Yes I had also notice that,mine are now almost always set to .25 :slight_smile:

Renee

My impression is too, that a higher value is needed now. At 1.05 I never thought about this options, also if I global disabled “filter maps” for saving RAM, I never have seen texture noise.

I rarely disable global filter map,in fact I don’t remember doing this.
On another point your glass looks absolutely perfect,I always have problem with that,how do you set the interpolation at the material level,the numbers you use ?

Frozen glass wasn’t a problem here, glossiness 0.9 and 20 subdivs, interpolation min/max -1 and 20 samples.