Dials and meters, items of the
DIAL and METER classes, show the value of any quantity variable, parameter, or expression as a pointer on the display. Both items cause data-seeking if the workspace upon which they reside is not hidden.
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A dial is a semi-circular clock-like display containing a pointer and five numeric values, ranging from the far left-hand side to the right. You set the range of the dial values in the attribute table. The pointer moves clockwise from left to right as the expression value increases, and reverses as it decreases.
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A meter is a vertical measurement display. The meter also has five numeric values, along with a bar that moves up and down as the expression value increases or decreases.
Setting the Meter's Lower Value
The Low-value-for-dial-rule attribute (Low-value-for-meter-ruling for meters) sets the lowest value for the ruling of the dial or meter. Determining the Meter's Dial Increment
The Increment-per-dial-ruling attribute (Increment-per-meter-ruling for meters) determines the increment of the dial or meter rulings. Low-value-for-dial-ruling is 0 and the Increment-per-dial-ruling is 10, then the dial or meter will have the rulings: 0, 10, 20, 30, 40. Class-Specific Attributes of Dials and Meters
Dials and meters have functionally identical attributes, though the names differ slightly depending on whether the item is a dial or a meter. Common attributes are described in Common Attributes of Readout Tables, Dials, and Meters. The class-specific attributes of dials and meters are: