Page History

• Solution Name:

• Trend Custom Data Source
• Software Version:

• v10
• Keywords:

• TrendChart. GetSamples. Data.

Summary

This example shows how to use Trend TrendCharts, and solutions on basic archiving, creating and creating charting of Data.

Image Added

Technical Information

When creating a TrendChart, you can associate a HistorianTag with a HistorianTable to supply data points. This configuration is done through the Historian section. These tables can either receive data from databases accessed via software platform or from a script within a script class, accessible under Scripts / Classes.

In this example, the GetSamples method is applied in two different ways:

1. In the ServerMain ScriptClass, the method is used to create a custom signal and send it to the historian for plotting.

2. In the MyClass ScriptClass, the method is used to retrieve data stored in a table within a database, which is then sent to the historian for plotting.

When creating a trend chartTrendChart, if you have data logging defined set up in FactoryStudio (at Edit-Tags-Historian), software platform (via HistorianTags) or if you are using FactoryStudio for use with 're using software platform with the OSIsoft PI System, the system will automatically look search for the archived Data data to plot the chart. When

If you want to draw the Trend chart mapping to use data other than what the one created by the system itselfsystem archives by default, you have the following two options:1) You can populate the Historian

• Populate the historian archive (

• Microsoft SQL, or other

• databases,

• including the PI System) from another application.

• Customize the GetSamples method used by the

One more advanced example of custom Trend chart drawing, where a curve model is created from a recipe: (TrendWithRecipe.rar).

• TrendChart, as demonstrated in the ServerMain and MyClass ScriptClasses

In this section:

Reference

See Trend Settings for more information