[Next] [Previous] [Up] [Top] [Contents] [Index] Chapter 9 DM: Run-time Operation 6. Color RulesColor rules vary from system to system. They modify an object's color, that is, turn it from one color to another when a specified condition exists. Color rules may be configured in your system to indicate abnormal operating conditions, dangerous operating conditions, or anything that requires an operator's closer attention. There may also be different color rules to indicate different degrees of urgency. For example, there may be a color rule that calls attention to slightly abnormal operating conditions by turning objects green or some other color. There are three important things to understand about color rules:
When there is a problem with a color rule--when the object does not specify the correct arguments for instance--the background color of the object will turn black and the foreground color, white. This is not wholly true for monitors, as only the dynamic part of the monitor will turn white, the dynamic part of the monitor being the part that actually changes according to the value of the channel, such as the pointer of an indicator or the needle of a meter. See Chapter 3, Working With Templates And Color Rules, for more on color rules and Chapter 4, Creating and Manipulating Objects, for more on changing the color properties of objects.
EDD/DM User's Manual, 2.4 - 27 MARCH 1997 [Next] [Previous] [Up] [Top] [Contents] [Index]
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