Figure 2-1 Portion of graphic that is mostly image-based. Some images visually represent values. For example, in Figure 2-1 above, the fan is animated (appears moving when on and stopped when off. The outside-air damper is also proportionally displayed (currently at a 20% open position). T EXT E LEMENTS Typically, text elements are used for both labels and for directly displaying values. Values appearing in text maybe formatted indifferent fonts and colors, as designed by the system designer. In Figure 2-1 above, text elements show temperature values (88.30 F and 56.8 F, and are used for other values and labels too. Besides showing analog values, text values maybe binary (two-state) or multi-state (three-or-more states) types too. For example, a value may display as On or Off, Off, Slow, or Fast, Yes or No, or any needed state, as shown in Figure 2-2
Chapter 2 Graphics and Commands About Graphics Niagara Release Niagara Browser Access Guide Revised: August 15, 2002
