AVEVA OMI Software Developer Kit
AVEVA OMI Developer Guide > MyViewApp Attributes > Settings Namespace Attributes
Settings Namespace Attributes

Use attributes in the Settings namespace to enable various options for showing trends, PV, SP, and other operational parameters.

Attribute Name Description Data
Type
Read/ Write
TrendDuration Gets or sets the length of a trend duration in minutes. Default is 15. integer R/W
GridLines Shows or hides grid lines on a pen trend. Default is true (shows grid lines). Boolean R/W
PVVisible Shows or hides the process value of a Situational Awareness Library symbol. Default is true. Boolean R/W
PVOptimalRangeVisible Shows or hides the optimal range indicator on a Situational Awareness Library symbol. Default is true. Boolean R/W
PVOperatingAutoScale Enables or disables meter auto scaling on a Situational Awareness Library symbol. Default is false. Boolean R/W
SPVisible Shows or hides a Setpoint on a Situational Awareness Library symbol. Default is true. Boolean R/W
TrackerVisible Shows or hides a tracker line on the meter of a Situational Awareness Library symbol. Default is true. Boolean R/W
LabelVisible Shows or hides the label on a Situational Awareness Library symbol. Default is true. Boolean R/W
EngUnitsVisible Shows or hides the engineering units of a Situational Awareness Library symbol. Default is true. Boolean R/W
ControllerOPVisible Shows or hides the Controller Output for a Situational Awareness Library symbol. Default is true. Boolean R/W
AlarmIndicatorVisible Shows or hides an alarm indicator on a Situational Awareness Library symbol. Default is true. Boolean R/W
ControllerOPCmdVisible Shows or hides the Output Command for a Situational Awareness Library symbols. Default is true. Boolean R/W
ChartRangeIncrement Sets the precision of the incremental range of chart values shown as measurement lines of Situational Awareness Library Dashboard symbols. Default is 5. integer R/W
SafetyVisible Shows or hides a safety indicator on a Situational Awareness Library symbol. Default is false. Boolean R/W
EnableDisableSound Enables or disables alarm sounds via a Situational Awareness Library graphic to alert the operator of an alarm condition. To function properly, this attribute must be connected to a PLC with an integrated audio system. Default is true. Boolean R/W
ShowControlLinks Shows or hides the control links of a Situational Awareness Library symbol. Default is true. Boolean R/W
ShowToolTips Shows or hides the tooltips of a graphic. Default is true. Boolean R/W
ToggleSPTag Toggles between a Setpoint or tagname value on a Situational Awareness Library symbol. Default is false. Boolean R/W
DisableHorn Enable or disable an external alarm horn via a Situational Awareness Library graphic. To function properly, this attribute must be connected to a PLC with an integrated audio system. This feature is typically used in a control room to allow the operator to troubleshoot the alarm condition without the distraction of the horn blaring. Default is false. Boolean R/W
AckAll Enable or disable the acknowledgement of all alarms. Default is false. Boolean R/W
PenTrendVisible Shows or hides all pen trend lines of a trend symbol. Default is true. Boolean R/W
OptimizeForTouch Enable or disable optimization for touch operation. Default is false. Boolean R/W
ReadOnly

This attribute is deprecated as of the System Platform 2020 release. See the  MyViewApp.ViewApp.ReadOnly attribute for more information.

Boolean Read