DaVinci Resolve terms

3D Keyer

An advanced keying tool that creates keys based on spatial color sampling for compositing.

What is a 3D Keyer in DaVinci Resolve?

A 3D Keyer in DaVinci Resolve is a powerful tool used for color correction and grading in video post-production. It allows users to select, isolate, and adjust specific colors or areas of an image, enabling more precise control over the color grading process. This tool is particularly useful for tasks such as removing green screens, adjusting skin tones, or changing the color of specific objects within a scene.

The "3D" in 3D Keyer refers to the three-dimensional color space in which the tool operates. Unlike traditional keyers that only work in two dimensions, the 3D Keyer in DaVinci Resolve can analyze and manipulate colors in terms of hue, saturation, and luminance. This makes it possible to select and adjust colors with a high degree of accuracy, resulting in a more natural and seamless final image.

How to use 3D Keyer in DaVinci Resolve?

The 3D Keyer in DaVinci Resolve is a powerful tool used for color grading and correction. To use it, first, open the software and import your video file. Then, navigate to the color grading page by clicking on the "Color" tab at the bottom of the screen.

Once you're on the color grading page, select the clip you want to work on from the timeline. Then, click on the "Qualifier" tab in the middle of the screen. Here, you'll find the 3D Keyer tool. Click on it and then click on the color in the video that you want to isolate. The software will create a mask around the color you've selected. You can refine the mask using the controls in the Qualifier tab. Once you're satisfied with the mask, you can adjust the color using the color wheels on the right side of the screen.

Why is my 3D Keyer not working in DaVinci Resolve?

There could be several reasons why your 3D Keyer is not working in DaVinci Resolve. One common issue could be related to the software version you are using. Ensure that you are using the latest version of DaVinci Resolve as older versions may have bugs or compatibility issues that can affect the functionality of the 3D Keyer.

Another possible reason could be related to the settings of the 3D Keyer. You might have incorrect settings that are preventing the 3D Keyer from functioning properly. Check the settings and make sure they are correctly configured. If you are still having trouble, it might be helpful to consult the DaVinci Resolve manual or online forums for further troubleshooting tips.

Lastly, the problem could be related to the source footage you are trying to key. If the footage is not properly exposed or if the green screen is not evenly lit, it can cause problems with the keying process. Make sure your footage is properly shot and prepared for keying. If none of these solutions work, consider reaching out to Blackmagic Design's customer support for further assistance.

Can I adjust the settings of 3D Keyer in DaVinci Resolve?

Yes, you can adjust the settings of the 3D Keyer in DaVinci Resolve. The 3D Keyer is a powerful tool that allows you to create keys based on color values in the image. It provides a range of settings that you can adjust to fine-tune your keying results. These settings include options for adjusting the color range, softness, and edge detail of the key, among others.

To adjust these settings, you need to select the 3D Keyer node in the Color page, then use the controls in the OpenFX Inspector. You can also use the on-screen controls in the Viewer to interactively adjust the key. Remember to always check the results of your adjustments in the Viewer to ensure that the key is working as expected.

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