修复绘制轨迹线时，上一组数据没有清除的问题

riku

2025-03-27 90671325090a58b0dfc91dac6a84b1c2a09eaac7

 src/views/historymode/HistoryMode.vue

@@ -19,6 +19,7 @@
      <FactorLegend
        class="m-t-2"
        :factor="factorDatas.factor[factorType]"
        @change="handleLegendTypeChange"
      ></FactorLegend>
    </el-row>
    <el-row class="historical" justify="center">
@@ -134,6 +135,15 @@
        this.sceneStore.searchScene(lng, lat);
      }
    },
    handleLegendTypeChange(value, done) {
      if (value) {
        this.factorDatas.resetRange();
      } else {
        this.factorDatas.standardRange();
      }
      done();
      this.draw();
    },
    draw() {
      // 刷新图例
      const factor = this.factorDatas.factor[this.factorType];