SetLineVisible is a method for a Trend Invoke method action.
|
Purpose: SetLineVisible |
|
|
Advanced Configuration: SetLineVisible |
Purpose: SetLineVisible
To change one or all lines on the Trend Control visible or invisible.
Advanced Configuration: SetLineVisible
Click Advanced on the Action tab of the Procedure Information dialog box.
The Edit Method dialog box opens for the SetLineVisible method
Configuration is as follows.
|
Field |
Description |
|||||
|
Method name |
Name of the selected method. Note: Another method can be selected from the drop-down list. |
|||||
|
Method result |
(Optional) Setpoint that contains the status value. |
|||||
|
|
Class |
Boolean |
||||
|
|
Structure Type |
BOOL |
||||
|
|
Allowed |
Device or global Point ID. |
||||
|
|
When a user invokes the method, the method result contains one of the following values. |
|||||
|
|
|
Value |
Method Result |
|||
|
|
|
1 |
The line is visible. |
|||
|
|
|
0 |
The line is invisible. |
|||
|
Parameters |
LineID |
Identify what line or lines should be automatically updated. |
||||
|
|
|
Value |
Identifies |
|||
|
|
|
'''' |
All the lines. |
|||
|
|
|
Existing Line ID |
A single line. |
|||
|
|
nOffOnToggle |
Expression or Point ID that evaluates to the numeric value: |
||||
|
|
|
|
Value |
Trending will |
||
|
|
|
|
0 |
Make selected line(s) invisible. |
||
|
|
|
|
1 |
Make selected line(s) visible. |
||
|
|
|
|
2 |
Toggle. |
||
|
|
|
|
|
|
|
|
Note: When the line is made invisible,
it is removed from the chart. If you did not check the Always visible legend option, the line
description is also removed from the legend.
Even thought the line is removed from the display, the Trend Control still collects data and performs calculations for the line.
|
|
List of line display methods. |
|
|
All Trend methods. |
