Trend Tool – Configuring a Graph

Note: You can change configuration settings for this tool in Run mode. However, these settings usually only persist for the current runtime session. When you close the CygNet Studio screen on which the tool resides, the tool settings may revert to those originally configured in Edit mode.

The Graph page enables you to customize your graph to suit visual display needs.

Trend Tool - Graph Page

Trend Tool - Graph Page

Graph Page Properties

The following table lists and describes Graph page properties.

Property Description
Labels

Title

This is the title of the entire trend as displayed on the trend itself. The title is displayed at the top of the trend by default. See also Title.

Sub-Title

This is the subtitle of the entire trend as displayed on the trend itself. The subtitle is displayed at the top of the trend, but below the title, by default. See also SubTitle.

Show Date Range

Check to enable the display of the date range defined for the trend. If enabled, the date range displays below the title and beside the subtitle (if a subtitle is defined). See also SubTitleDateRange.

X-Axis

Defines the label of the x-axis displayed. The x-axis always shows the time frame being displayed on the graph. See also XAxisLabel.

Grid

Lines

Options on this drop-down menu enable various ways to display grid lines. Options are Both, X Only, Y Only, or None. See also GridLines.

Style

Options on this drop-down menu define the appearance of displayed grid lines. Options are Thin Lines, Thick Lines, Dotted Line, and Dashed Line. See also GridStyle.

Border

Options on this drop-down menu specify the use and type of a graph border. Options are None, Thin Line, Thick Line, Shadow, and 3D Inset. See also GraphBorderStyle.

In Front of Data

Check to place grid lines in front of the data on a graph. See also GridInFront.

Background Banding

Check to display bands in the background of your trend grid. Adjust band colors using the Graph Background property on the Colors dialog box. See also GridBands.

Miscellaneous

Data Shadow

Applies the selected visual effect option to various elements of a trend. The options are Off, Shadow, and 3-D. See also DataShadows.

Data Thinning

Enables a graph to automatically filter out excessive data points. This can improve performance if you are displaying a large amount of data. Typically, the effect of data thinning is not noticeable to a user. However, if Mark Data Points is enabled, the effect of data thinning might be noticeable. All data points still display upon zoom.

Note: Data thinning is currently incompatible with square wave lines.

Options are as follows:

  • Off: Always displays all data points.
  • Basic: Enables quick data thinning, for best performance.
  • Advanced: Enables slow data thinning, which is more thorough than Basic, but performance is not as good.

See also DataThinning.

Enhanced Graphics

Check to enable enhanced graphics. Doing so can decrease trend performance. See also EnhancedGraphics.

Fixed Line Widths

Check to enable fixed series line widths. If enabled, series line types do not resize even when the control is resized. If disabled, only a subset of available series line types resize when the tool resizes. See also FixedLineWidth.

Zoom Overview

Check to display a zoom overview window below the trend whenever the trend is in zoom mode. This property performs optimally when enabled in conjunction with Enhanced Graphics. See also ZoomOverview.

Points

Mark Data Points

Check to enable the display of each data point on a trend where a data point occurs. See also MarkDataPoints.

Max Size

If Mark Data Points or any point-based y-axis Plot Style (for instance, Points + Line) is enabled, data point sizes can be set to scale within a fixed range relative to a trend tool. This ensures that points do not scale to an unreasonably large size.

Options are as follows:

  • None: Places no upper boundary on the size of a data point. Data points continue to increase in size as a trend tool is expanded. This can become unreasonable.
  • Small: Ensures that data points scale within a range appropriate to a small point. Scales to a maximum size of 2 pixels.
  • Medium: Ensures that data points scale within a range appropriate to a medium point. Scales to a maximum size of 6 pixels.
  • Large: Ensures that data points scale within a range appropriate to a large point. Scales to a maximum size of 10 pixels.

See also MaximumPointSize.

Value Formatting

Numeric Precision

Type a number in this field to define the number of decimal places you want to display to the right of the decimal point. This feature only affects the Value at Cross Hairs option in Run mode. See also NumericPrecision.

Commas

If enabled, a comma is used as the numeric divider on the y-axis. For example, 123456 would be displayed as 123,456. See also Commas.

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