Function transformPoint

docs/app/js/sanddance-app.js:130775–130778

(coordinates)

        coordinates.forEach(transformPoint);
    }
    function transformPoint(coordinates) {
        coordinates[0] = (coordinates[0] - x1) * sx + tx;
        coordinates[1] = (coordinates[1] - y1) * sy + ty;
    }
    return function(geometry) {
        geometry.coordinates.forEach(transformPolygon);
        return geometry;