import { Bound } from "../util/bound";
import { Projection } from "../projection/projection";
export declare class Raster {
    private _canvas;
    private _bound;
    get dynamic(): boolean;
    get canvas(): HTMLCanvasElement;
    get bound(): Bound;
    /**
     * 创建栅格
     * @remarks
     * 遍历图形集合进行绘制
     * @param {number} xmin - 经度左值
     * @param {number} ymin - 纬度下值
     * @param {number} xmax - 经度右值
     * @param {number} ymax - 纬度上值
     * @param {number} width - 栅格宽度
     * @param {number} height - 栅格高度
     * @param {number} cellsize - 栅格大小
     */
    constructor(xmin: any, ymin: any, xmax: any, ymax: any, width?: number, height?: number);
    /**
     * 绘制栅格
     * @remarks
     * 遍历图形集合进行绘制
     * @param {CanvasRenderingContext2D} ctx - 绘图上下文
     * @param {Projection} projection - 坐标投影转换
     * @param {Bound} extent - 当前可视范围
     * @param {number} zoom - 当前缩放级别
     */
    draw(ctx: CanvasRenderingContext2D, projection?: Projection, extent?: Bound, zoom?: number): void;
}