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如何

如何


产品: AS-B, Edge Server, Enterprise Central, Enterprise Server, AS-P, WorkStation, Project Configuration Tool
功能: 趋势
产品版本: 2023
2024/5/21

通过相对时间跨度配置 X 轴

您可以在趋势图的 X 轴上设置相对于系列当前终点时间的时间跨度以自动调整趋势图,使其显示当前时间和特定时间跨度内的最新记录。

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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

通过相对时间跨度配置 X 轴
  1. 在 WorkStation 的 系统树 窗格,选择想要配置的趋势图。

  2. 在趋势图视图中的工具栏上,点击 打开趋势图设置 按钮

     
    action_zoom_plus_stroke

  3. 趋势图表设置 对话框的 时间模式 框中,选择 相对的(对当前时间)

  4. 时间跨度 框中,键入要显示在当前时间之前的 X 轴长度

  5. 点击 确定

现已通过相对时间跨度配置 X 轴。

  • 趋势图轴
  • 通过绝对时间跨度配置 X 轴
  • 趋势图事件图标
  • Trend Chart Settings Dialog Box – Axes Tab
  • Trend Chart Does Not Show Trend Log Series