Linked Questions

0 votes
1 answer
755 views

What type of normal and specular map nodes is correct for these textures

I am creating a plugin to import some model files from a game to blender, with all the textures and materials created automatically. I am creating a principled bsdf node from python and assign ...
12 votes
1 answer
6k views

Does Blender have a histogram?

I'd like to be able to tell where—and by how much—a highlight is blowing out without having to render, go into Photoshop, back into Blender, turn my lamp down, render etc etc. So I'm wondering, is ...
10 votes
4 answers
2k views

How to mix a jpeg background image with a 3D scene generated using Filmic Blender?

I want to compose 3D-model over image, and I use filmic to get more suitable result. But I want the background image to remain in the original colors. So I try to use this setting: but it haven't ...
1 vote
0 answers
121 views

Importing a standard color into blender (gamma correction issue?)

I'm having issues with rendering exact colors. So I'm working on an archviz project and there are certain objects that require a specified standard color. Basically the color on render has to match ...
6 votes
2 answers
3k views

How do I calibrate exposure to match a gray scale?

Kodak sells A gray scale card. It is used to calibrate B&W filming. Film stock exposure is measured with a densitometer. If the film has been properly exposed and developed, each region of the ...
3 votes
2 answers
4k views

Blender does not set the alpha channel correctly

As explained here, I use "glare" to add some bloom to my scene. The problem is that it creates emissive pixels, i.e. pixels that must both transmit all the light from object behind, AND add ...
28 votes
1 answer
7k views

What is the the ASC-CDL node?

The color balance node in the compositor can be switched to use the ASC CDL How is it used? How is this different from Lift/Gamma/Gain? How do the Offset, Power, Slope options affect the image?
2 votes
1 answer
1k views

Saving OpenEXR image with python

Good morning everybody! I'm here to understand how to save OpenEXR images using python in order to maintain settings from Color Management in Blender. I implemented a scene with a very low exposure, ...
7 votes
1 answer
400 views

Match dynamic range of render to dynamic range of camera tracked footage?

Most tutorials on camera tracking tell you to change the View Transform from Filmic to Standard. In the documentation it says Standard is "Often used for non-photorealistic results or video ...
6 votes
4 answers
2k views

Changing colours precisely, procedurally

I assumed this had been asked before but can't find anything that does what I need. I have an image texture (a png) which uses 18 different colours. I want to be able to use the shader editor to ...
0 votes
2 answers
661 views

Why does Emission shader dilute colors? EEVEE

I would like to create an “outer glow” to Suzanne the monkey so that It emits some red and purple lights (and the plane should reflect them). To illuminate the monkey, I added the Emission shader and ...
35 votes
1 answer
12k views

How to make 3D LUTs and use them in Blender?

Now that I understand a little bit more about how to work with Wide Dynamic Range workflow , scene referred datas and OPS(ASC CDL) node, I'm asking myself how to go further and create my own 3D LUT ...
3 votes
1 answer
13k views

Increase brightness of HDR to light the scene, but keeping the background at a lower exposure

I have a scene in which I am using an HDRI texture as a light source. However, I am also trying to use it as a background, but when I turn up the strength of the sky it just turns white. I am ...
2 votes
0 answers
524 views

Preserving HDR information in EXR output from Blender in a 8-bit PNG? [closed]

The only way to get the full dynamic range out in a render or bake is to save it as an EXR float from Blender. Not even saving 16-Bit PNG float will keep all the information in the highlights in ...
0 votes
2 answers
1k views

Blender Exposure not affecting output on OpenEXR File

So I'm using this physicall starlight & atmosphere addon, a wonderful addon, but it requires to change blender's addon to -6 to look good. I'm working on VFX industry, so i need to renderout ...

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