image-js/lib/operations/split.js

Image processing and manipulation in JavaScript

import { Image } from '../Image.js';
/**
 * Create an array of single-channel images based on a multi-channel image.
 * @param image - The image with many channels.
 * @returns Array of single-channel images.
 */
export function split(image) {
    const result = [];
    for (let c = 0; c < image.channels; c++) {
        const channel = Image.createFrom(image, {
            colorModel: 'GREY',
        });
        for (let i = 0; i < channel.size; i++) {
            channel.setValueByIndex(i, 0, image.getValueByIndex(i, c));
        }
        result.push(channel);
    }
    return result;
}
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