_requestRedraw() {
    if (
      this.redrawRequested !== true &&
      this.renderingActive === false &&
      this.allowRedraw === true
    ) {
      this.redrawRequested = true;
      this._requestNextFrame(() => {
        this._redraw(false);
      }, 0);
    }
  }
Redraw the network with the current data
@private