} else if (this.brush === 'y') {
          this.yScale.domain = [s[0], s[1]].map(this.yScale.scaleObject.invert)
        } else {
          this.xScale.domain = [s[0][0], s[1][0]].map(this.xScale.scaleObject.invert)
          this.yScale.domain = [s[1][1], s[0][1]].map(this.yScale.scaleObject.invert)