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如何

如何


产品: WebStation
功能: 趋势
产品版本: 1.8, 1.9
2016/3/18

手动配置 Y 轴标度

您可以手动配置趋势图 Y 轴以具有固定标度。趋势图具有一左一右两个 Y 轴。您可以使用此步骤设置这两个轴的标度。

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The x-axis of the trend chart represents time. The time span of the axis can be set with a fixed start and end time or with an end time relative to the present time. The axis can be quick-scaled to show the last hour, last day, last month, or last year​.

 
action_zoom_plus_stroke Absolute time span and relative time span, schematic
图: Absolute time span and relative time span, schematic

The y-axis refers to the measurement unit that the variable represents. The scale of the y-axis can be set manually or by auto scale. You can configure the trend chart to present series on one y-axis or two y-axes, one to the left and one to the right. Use two y-axes to present series with different ranges in the same trend chart.

 
action_zoom_plus_stroke One y-axis and two y-axes, schematic
图: One y-axis and two y-axes, schematic

To make reading easier, grid lines can be shown in the trend chart. Grid lines can be shown in both the x- and y-direction, independent of each other.

 
action_zoom_plus_stroke Grid lines, schematic
图: Grid lines, schematic

手动配置 Y 轴标度
  1. 在 WebStation 中,在 系统树状目录 窗格中,选择要配置的趋势图。

  2. 趋势图 工具栏中,点击 设置

  3. 自动缩放左轴 框和 自动缩放右轴 框中,选择

     
    action_zoom_plus_stroke
  4. 左轴最小值 最大 框中,键入左轴的最小和最大值。

  5. 右轴最小值 最大值 框中,键入右轴的最小和最大值。

  6. 点击 确定

  • WebStation 中的趋势图轴
  • 通过相对时间跨度配置 X 轴
  • 通过绝对时间跨度配置 X 轴
  • 显示趋势图网格线
  • 自动配置 Y 轴标度
  • 保存当前趋势图设置
  • 趋势图视图
  • 趋势图设置对话框 – 轴标签