暗角节点¶

控制添加到图像中的彩色噪点量。数值越高，越会产生明显的彩色斑点，这通常是低光照条件下拍摄的数字图像的典型特征。

输入¶

系数: 控制暗角效果的整体强度。值为 0 时禁用该效果，数值越大，暗角的深色程度或强度越高。
羽化: Determines the softness of the vignette transition from the center to the edges. Higher values result in a smoother, more gradual fade.

拐角圆度: Adjusts the shape of the vignette corners. A value of 0 produces square corners, while 1 makes the vignette fully circular.
缩放: Controls the size of the vignette area. Smaller values make the vignette tighter and more focused near the center.
偏移: Shifts the vignette center position along the X and Y axes. Useful for emphasizing a specific area of the image instead of the center.
角度: Rotates the vignette mask around the image center.

图像: The input image with the vignette effect applied.
遮罩: The generated vignette mask as a grayscale output. This can be used for custom compositing or to apply the vignette selectively through mix nodes.