Geojson

创建

const geojson = await loadGeoJson({ url: '../assets/Polygon.geojson' })

类型

 type LoadGeoJson = {
  (parm: GeoJsonParm, id?: string): Promise<GeoJson>;
};

type GeoJsonOptions = {
  url: string;
  show?: boolean;
  point?: {
    url: string | HTMLCanvasElement;
    scale?: number;
    far?: number;
    textProperty?: string;
    font?: string;
    color?: MapColor;
    outlineColor?: MapColor;
    backgroundColor?: MapColor;
    showBackground?: boolean;
    style?: 'fill' | 'outline' | 'fill_and_outline';
    outlineWidth?: number;
    verticalOrigin?: 'center' | 'bottom' | 'top';
    horizontalOrigin?: 'center' | 'left' | 'right';
    offset?: { x: number; y: number };
    position?: boolean;
  };
  describe?: (property: unknown) => void;
  markerSize?: number;
  markerSymbol?: string;
  markerColor?: MapColor;
  stroke?: MapColor;
  strokeWidth?: number;
  fill?: MapColor;
  clampToGround?: boolean;
  isToken?: boolean; //是否需要发送验证信息 false
  questType?: 'headers' | 'params'; //发送方式 'headers'
  tokenKey?: string; // 信息key
  token?: string; //验证信息
};

判定

isGeoJson()

function isGeoJson(tar: object): tar is GeoJson

属性

readonly id: string 唯一标识

readonly url: string url地址

readonly point: {url: string | HTMLCanvasElement}

show: boolean 是否显示

方法

focus 聚焦

focus():void

exportGeoJson 导出geojson

exportGeoJson(name?: string): Promise<void>

destroy 销毁

destroy(): boolean