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normalStart.x;\n    const dy = noramlCurrent.y - normalStart.y;\n    const view = this.context.view;\n    const dims = this.dims;\n    each(dims, (dim) => {\n      this.translateDim(dim, { x: dx * -1, y: dy * -1 });\n    });\n    view.render(true);\n  }\n\n  // 平移度量\n  private translateDim(dim, normalPoint) {\n    if (this.hasDim(dim)) {\n      const scale = this.getScale(dim);\n      if (scale.isLinear) {\n        this.translateLinear(dim, scale, normalPoint);\n      }\n      //  else { // 暂时仅处理连续字段\n      // this.translateCategory(dim, scale, normalPoint);\n      // }\n    }\n  }\n  // linear 度量平移\n  private translateLinear(dim, scale, normalPoint) {\n    const view = this.context.view;\n    const { min, max } = this.startCache[dim];\n    const range = max - min;\n    const d = normalPoint[dim] * range;\n    // 只有第一次缓存，否则无法回滚\n    if (!this.cacheScaleDefs[dim]) {\n      this.cacheScaleDefs[dim] = {\n        // @ts-ignore\n        nice: scale.nice,\n        min,\n        max,\n      };\n    }\n    view.scale(scale.field, {\n      // @ts-ignore\n      nice: false,\n      min: min + d,\n      max: max + d,\n    });\n  }\n\n  // 平移分类的度量\n  // private translateCategory(dim, scale, normalPoint) {\n  // }\n\n  /**\n   * 回滚\n   */\n  public reset() {\n    super.reset();\n    this.startPoint = null;\n    this.starting = false;\n  }\n}\n\nexport default ScaleTranslate;\n"]}