Method _getSourceBounds

src/common/mapping/WebMapV2.js:825–832

(mapBounds)

      addedCallback && addedCallback();
    }
    _getSourceBounds(mapBounds) {
      if(!mapBounds) {
        return;
      }
      const lb = this._unproject([mapBounds[0], mapBounds[1]]);
      const rt = this._unproject([mapBounds[2], mapBounds[3]]);
      return [...lb, ...rt];
    }
    _isSupportZXYTileLayer({ resolutions, tileSize, origin }) {
      const isOldWebMecartor = origin === undefined && resolutions === undefined;
      if (isOldWebMecartor) {