export interface GridDataImage {
    factor: string;
    url: string;
    type: 'image' | 'json';
    zoom?: number;
    boundary?: {
        x?: number;
        y?: number;
        w?: number;
        h?: number;
        z?: number;
    };
    range?: {
        uMin?: number;
        uMax?: number;
        vMin?: number;
        vMax?: number;
    };
    image?: HTMLImageElement;
    json?: any;
    onerror?: any;
}