Chapter 35
Trend Charts
An introduction to and description of trend charts and their use.
- Overview
- Understanding Trend Charts
- Compound Attributes
- Component Subtables
- Accessing Component Subtables
- Adding and Deleting Component Subtables Programmatically
- Working with Annotations
- Displaying Annotations
- Changing Annotations
- Reprocessing Annotations
- Using Component References
- Setting Component Defaults
- Linking to a Default Value
- Configuring Trend Charts
- Creating a Trend Chart
- Sizing a Trend Chart
- Summarizing Trend Chart Attributes
- Configuring Plots
- Defining Where to Obtain History Values
- Specifying the Value Axis for the Plot
- Specifying the Point Format
- Specifying the Connector Format
- Defining the Update Interval
- Specifying the Activation Interval
- Specifying the Update Priority Level
- Specifying Data Seeking Capabilities
- Using Simulated History Values
- Specifying Event Updates
- Defining the Debugging Level
- Entering an Expression
- Summarizing Plot Attributes
- Configuring Value Axes
- Displaying the Value Axis
- Specifying the Value Range
- Specifying Range Limits
- Defining the Range Slack Percentage
- Specifying the Label Frequency
- Displaying Labels as Percentages
- Specifying the Significant Digits for Labels
- Showing Grid Lines
- Adding Extra Grid Lines
- Displaying a Baseline
- Specifying the Baseline Color
- Summarizing Value Axis Attributes
- Configuring the Time Axis
- Defining the Data Window Time Span
- Specifying How Long to Maintain Local History
- Specifying the Last Plot Value
- Updating the Trend Chart Data
- Specifying How Data Scrolls
- Shifting the Data Window
- Displaying Current Real-Time Clock Labels
- Displaying Negative Offset Labels
- Defining the Label Frequency
- Specifying the Label Alignment
- Summarizing Time Axis Attributes
- Configuring Point Formats
- Displaying Markers
- Specifying the Marker Style
- Defining the Marker Frequency
- Summarizing Point Format Attributes
- Configuring Connector Formats
- Displaying Connectors
- Specifying How Connectors are Drawn
- Specifying the Connector Line Width
- Displaying Block Shading
- Summarizing Connector Format Attributes
- Configuring the Trend Chart Format
- Displaying an Outer Border
- Displaying a Data Window Border
- Adding a Trend Chart Legend
- Providing a Trend Chart Title
- Summarizing Trend Chart Format Attributes
- Working with Trend Charts
- Updating Trend Charts
- How Plots are Drawn
- Causes of Redrawing and Reformatting
- System Procedures for Trend Charts
- Trend Chart Attributes Reference
Copyright © 1997 Gensym Corporation, Inc.