isoxml/dist_es/entities/Grid/DefaultGridParamsGenerator.js

JavaScript library to parse and generate ISOXML (ISO11783-10) files

import { bbox as turfBbox, degreesToRadians, lengthToDegrees } from '@turf/turf';
export function createGridParamsGenerator(targetCellWidth, targetCellHeight) {
    return (geometry) => {
        const [minX, minY, maxX, maxY] = turfBbox(geometry);
        const sizeY = lengthToDegrees(targetCellHeight, 'meters');
        // works fine for small areas
        const sizeX = lengthToDegrees(targetCellWidth, 'meters') / Math.cos(degreesToRadians((minY + maxY) / 2));
        const numCols = Math.floor((maxX - minX) / sizeX);
        const numRows = Math.floor((maxY - minY) / sizeY);
        return {
            minX,
            minY,
            numCols,
            numRows,
            cellWidth: (maxX - minX) / numCols,
            cellHeight: (maxY - minY) / numRows
        };
    };
}