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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

显示趋势图网格线

您可以在 X 轴和 Y 轴上显示趋势图网格线,以轻松查看图。

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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

显示趋势图网格线
  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. X 轴 区域,选择 (在 显示网格线 列表,可显示源自 X 轴标度的网格线。

     
    action_zoom_plus_stroke
  4. 左轴 右轴 区域,选择 (在 显示网格线 可显示源自左或右轴标度的网格线。

  5. 点击 确定

趋势图中现在会显示网格线。重复此步骤以隐藏网格线。

 
action_zoom_plus_stroke 趋势图显示网格线
图: 趋势图显示网格线
  • 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
  • 手动配置 Y 轴标度
  • 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