In this first video, we explore the Tonemapper component and why it's important to disable it when rendering linear EXR files from Unreal. The Tonemapper is a post-process effect in Unreal that compresses the image's dynamic range, applying a gamma curve to map the high-dynamic-range linear values to the standard-range sRGB values for output. This is helpful for real-time rendering within the engine.
However, when exporting linear EXR files for further compositing in another application like Davinci Resolve, we don't want Unreal's Tonemapper compressing the image data. By clipping the highlights, it will lose valuable exposure and color information that we may want to selectively adjust later in post. Disabling the Tonemapper on export preserves the full floating-point values in the EXR so we maintain the flexibility to tweak colors and lighting to our taste in compositing.
So in summary, this first video demonstrates disabling Unreal's Tonemapper when rendering to linear EXR files. We'll keep the full dynamic range information rather than having it compressed on export. In the next video, we'll focus on working with the ACES color space in Unreal and Davinci Resolve. We'll look at importing and exporting using the ACES color management workflow to get the most out of our lighting and color grades. I hope these tips help you work more efficiently across engines and compositing software.
Let me know if any part needs more explanation!
💡 00:00 Intro
💡 00:23 tiedtke.
💡 00:30 Overview of the scene
💡 01:00 Render with tonemapper
💡 04:40 Render without tonemapper
💡 06:50 Outro
Assets used in the video:
🔸 Stylized Fantasy Provencal - shorturl.at/cqFMU
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Keywords for KZfaq indexing (ignore):
Color Correction, Color Grading, Exposure Adjustment, Gamma Curve, High Dynamic Range (HDR), Gamma, Video Post-Production, Compositing Software, Digital Intermediate (DI), ICC Profile, Log Encoding, Photoshop, After Effects, Premiere Pro, Color Management, Wide Gamut, ACES Pipeline, Academy Color Encoding System (ACES), Render Settings, Color Science, Tonemapping, Highlights, Shadows, Midtones, Contrast, Brightness, Saturation, Hue, Color Theory, Primary Colors, Secondary Colors, Color Models (RGB, CMYK, HSV etc), Luma, Chroma, EXR, Linear Workflow, Video Encoding, Digital Cinema, VFX, CGI, Animation, Game Development, Rendering, Substance Designer, 3D Coat, Animation, Color Theory, Cinematography, Visual Effects, Video Editing, Color Appreciation, Enhancing Video, Learning Color Grading, Davinci Resolve Tutorial, Blender, Maya, 3Ds Max, Houdini, Corona Renderer, Octane Render, Redshift, Arnold,