Linked Questions
14 questions linked to/from When should MIS be used and when should it be disabled?
16
votes
1
answer
18k
views
What is multiple importance sample option
What is multiple importance sample option.
And the main question is Can It be simulated via OSL shader or in particular glossy shader?
9
votes
1
answer
61k
views
Render is incredibly Grainy! [duplicate]
I'm new to blender and I started last week. I'm now having trouble with the final results of my render, it looks incredibly grainy.
What I have tried so far is that I changed the resolution to 100% , ...
8
votes
2
answers
6k
views
Cycles render, noisy even when using a high number of samples
I've seen other questions around, but none that answered my current problem.
I've been working on this scene for a few days, and when I wanted to render it, the produced result wasn't quite like I ...
3
votes
3
answers
12k
views
Image is fuzzy or noisy when rendered in cycles [duplicate]
When I rendered this image it became really fuzzy and pixelated. I have tried to fix this but it doesn't seem to be working.
File Here
7
votes
1
answer
4k
views
Blender Cycles Slow Rendering Interior Scene
I have create a very basic blender scene with Suzanne and a modified cube with no UVs and only basic materials. The scene contains about 3 emissive lights.
Using the cycles rendering engine, when ...
8
votes
1
answer
3k
views
Spherical emitter does not illuminate very well?
I remember when I was recreating my bathroom and I modeled the lamp and gave it a glass material, but when I came to the lighting it got confusing. I modeled a sphere in the lamp because in real life ...
4
votes
2
answers
5k
views
Fireflies / noise on glossy material
I have a bunch of glossy balloons lit by a sun lamp and the world (Background Sky Texture). This is the nodes setup.
After rendering I have the image below.
When we look at a more detailed level we ...
1
vote
1
answer
5k
views
Black dots in render with many lamps
Hi fellas any help with the black dots on the render below? Found some info around the web but nothing helped me out (it was an old stuff in fact). Really dunno what could causing this...
1
vote
1
answer
1k
views
Reflection artifacts when rendering
Sometimes I get these weird white reflections, that don't look real at all. I have a white sunlamp in the scene. Is there something I can do to stop this?
EDIT:
10x smaller sunlamp, added glare (...
6
votes
2
answers
459
views
Disadvantages of importance sampling
What are the disadvantages of using importance sampling (MIS) for lamps?
I mean, apparently it converges faster, looks the same as when not using it, takes about the same time... Why not turn it on ...
0
votes
1
answer
1k
views
Why does "render layers" selection not influence the rendered scene in this blend file?
I have my blend file at pasteall.
Whenever I try to render the scene with no render layers selected, it says All render layers are disabled and then does nothing. ...
4
votes
1
answer
582
views
Circular Light Source Causing Speckles in Cycles
(Blend file is in the comments)
I am trying to create a stage in the Cycles renderer. I have modeled a stage light that looks like this. It has a circle with the emission shader to act as a light ...
2
votes
0
answers
85
views
any help with this noisy render?
im not sure if this is the right place to post this, if not i apologize
i made this render and as you can see, its very noisy where the chairs cast shadows, any suggestions? im rendering at 300 ...
1
vote
0
answers
38
views
Why do I get noise on my scene? [duplicate]
After importing a 3D scene from SweetHome3d (in .obj format), my preview window and also the F12 rendering result suddenly has very much "noise".
(Please tell me if that's the correct term, I'm a ...