Condition Clauses
A Condition Clause of a Control Rule has the following formats:
object id attribute relation value
object id attribute relation object id attribute
where:
object = a category of object
id = the object's ID label
attribute = an attribute or property of the object
relation = a relational operator (=, <>, <, <=, >, >=)
value = an attribute value
Some examples of condition clauses are:
GAGE G1 6-HR_DEPTH > 0.5
NODE N23 DEPTH > 10
NODE N23 DEPTH > NODE 25 DEPTH
PUMP P45 STATUS = OFF
LINK P45 TIMEOPEN >= 6:30
SIMULATION CLOCKTIME = 22:45:00
The objects and attributes that can appear in a condition clause are as follows:
| Obect | Attributes | Value |
|---|---|---|
| GAGE |
INTENSITY n-HR_DEPTH |
numerical value numerical value |
| NODE |
DEPTH MAXDEPTH HEAD VOLUME INFLOW |
numerical value numerical value numerical value numerical value numerical value |
| LINK or CONDUIT |
FLOW FULLFLOW DEPTH MAXDEPTH VELOCITY LENGTH SLOPE STATUS TIMEOPEN TIMECLOSED |
numerical value numerical value numerical value numerical value numerical value numerical value fractional value OPEN or CLOSED decimal hours orhr:min decimal hours orhr:min |
| PUMP |
STATUS SETTING FLOW |
ON or OFF pump curve multiplier numerical value |
| ORIFICE | SETTING | fraction open |
| WEIR | SETTING | fraction open |
| OUTLET | SETTING | rating curve multiplier |
| SIMULATION |
TIME DATE MONTH DAY DAYOFYEAR CLOCKTIME |
elapsed time in decimal hours orhr:min:sec month/day/year month of year (1 - 12) day of week (Sunday = 1) day of year (month/day) time of day inhr:min:sec |
Gage INTENSITY is the rainfall intensity for a specific rain gage in the current simulation time period. Gage n-HR_DEPTH is a gage's total rainfall depth over the past n hours where n is a number between 1 and 48.
TIMEOPEN is the duration a link has been in an OPEN or ON state or have its SETTING be greater than zero; TIMECLOSED is the duration it has remained in a CLOSED or OFF state or have its SETTING be zero.