@webviz/subsurface-viewer/dist/utils/Color.js

3D visualization component for subsurface reservoir data

/**
 * Converts a color represented as an array of numbers (either RGB or RGBA) with 8-bit channel values (0-255)
 * into a normalized RGBA tuple with values in the range [0, 1].
 *
 * @param color - The input color as an array of numbers. It can be either:
 *   - [r, g, b]: An RGB color, where each channel is a number between 0 and 255.
 *   - [r, g, b, a]: An RGBA color, where each channel is a number between 0 and 255.
 * @returns A tuple [r, g, b, a] where each value is normalized to the range [0, 1].
 */
export function toNormalizedColor(color) {
    return color
        ? [
            color[0] / 255,
            color[1] / 255,
            color[2] / 255,
            color.length === 3 ? 1 : color[3] / 255,
        ]
        : undefined;
}
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