Meter¶

Widget that displays a numeric value on a meter.

Basic Properties

Name (name): Human-readable name of this widget. Shown in the Outline view.

PV Name (pv_name)

The name of the main PV for this widget. If set, the widget’s value follows value updates of the corresponding PV.

It is not a requirement to use a PV. You may also control the widget value directly through scripting.

Widget Type (widget_type): Readonly property describing the type of this widget.

Behavior Properties

Actions (actions): Executable Actions attached to this widget.

Level HI (level_hi): The high mark.

Level HIHI (level_hihi): The high high mark.

Level LO (level_lo): The low mark.

Level LOLO (level_lolo): The low low mark.

Limits from PV (limits_from_pv)

Determine Minimum, LOLO, LO, HI, HIHI, Maximum levels automatically based on the underlying PV.

If the PV is backed by a Yamcs parameter, the mapping is as follows:

Yamcs	Yamcs Studio
WATCH	LO/HI
WARNING	LO/HI
DISTRESS	LO/HI
CRITICAL	LOLO/HIHI
SEVERE	LOLO/HIHI

Maximum (maximum): The upper limit of the widget.

Minimum (minimum): The lower limit of the widget.

Rules (rules): Rules attached to this widget.

Scripts (scripts): Scripts attached to this widget.

Visible (visible): Manage the visibility of this widget.

Border Properties

Alarm Sensitive (border_alarm_sensitive): If the PV is in alarm state, the widget border and style change to alarm mode.

Border Color (border_color)

The color of the widget border.

Has no meaning with certain types of border styles (for example, raised borders have a fixed style).

Border Style (border_style): The type of border. Some border styles also colorize the background of the widget’s bounding box.

Border Width (border_width)

The thickness of the widget border.

Has no meaning with certain types of border styles (for example, raised borders have a fixed style).

Display Properties

Alarm Pulsing (alarm_pulsing): If enabled, the PV is in alarm state, and the properties BackColor Alarm Sensitive and/or ForeColor Alarm Sensitive are used, then the corresponding colors will fade in and out to draw operator’s attention.

BackColor Alarm Sensitive (backcolor_alarm_sensitive): If the PV is in alarm state, then Background Color matches the corresponding alarm color.

Background Color (background_color): The color of the background of the widget’s bounding box. Only visible when the widget uses a border style that fills up the widget area.

Color HI (color_hi): Color associated with high alarm.

Color HIHI (color_hihi): Color associated with high high alarm.

Color LO (color_lo): Color associated with low alarm.

Color LOLO (color_lolo): Color associated with low low alarm.

Font (font): The font of the label.

ForeColor Alarm Sensitive (forecolor_alarm_sensitive): If the PV is in alarm state, then Foreground Color matches the corresponding alarm color.

Foreground Color (foreground_color): The color of the label.

Log Scale (log_scale): Use a logarithmic scale.

Major Tick Step Hint (major_tick_step_hint): Minimum amount of pixels between major ticks.

Needle Color (needle_color): The color of the needle.

Ramp Gradient (ramp_gradient): Use color transitions on the ramp.

Scale Font (scale_font): The font of the scale.

Scale Format (scale_format)

Pattern describing how to format step values shown on the scale.

The pattern follows Java conventions. See https://docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html

Some examples:

Value	Format	Printed
1234	#.00	1234.00
12.3456	#.##	12.35
1234	0.###E0	1.234E3

Show HI (show_hi): Whether to show the high mark.

Show HIHI (show_hihi): Whether to show the high high mark.

Show LO (show_lo): Whether to show the low mark.

Show LOLO (show_lolo): Whether to show the low low mark.

Show Minor Ticks (show_minor_ticks): Whether to show minor ticks on the scale.

Show Ramp (show_markers): Whether to show the ramp.

Show Scale (show_scale): Whether to show the ticks and scale labels.

Show Value Label (show_value_label): Whether to show the current value.

Tooltip (tooltip): Tooltip when mouse hovers this widget.

Value Label Format (value_label_format)

Pattern describing how to format the current value.

The pattern follows Java conventions. See https://docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html

Some examples:

Value	Format	Printed
1234	#.00	1234.00
12.3456	#.##	12.35
1234	0.###E0	1.234E3

Position Properties

Height (height): Height of the widget area in pixels.

Scale Options (scale_options): If autoscaling is enabled on the Display, then this property allows controlling whether and how this widget participates.

Width (width): Width of the widget area in pixels

X (x): X-coordinate in pixels of the top-left corner of the widget area.

Y (y): Y-coordinate in pixels of the top-left corner of the widget area.