[gradsusr] "Time" variable.

Ryglicki, Dr. David david.ryglicki at nrlmry.navy.mil
Thu May 4 16:29:48 EDT 2017


Hi everyone.

 

Quick question about a reserved variable in GrADS. According to the
scripting doc page (http://cola.gmu.edu/grads/gadoc/script.html), there are
four predefined variables: lat, lon, lev, and time. However, I can't get
"time" to work.

 

After opening control file (which I know works!).

 

ga-> set x 1

LON set to 0 0

ga-> set y 1

LAT set to -90 -90

ga-> d lat

Result value = -90

ga-> d lon

Result value = 0

ga-> d time

Syntax Error:  Invalid Operand

  'time' not a variable or function name

  Error ocurred at column 1

DISPLAY error:  Invalid expression

  Expression = time

ga-> d lev

Result value = 1

ga-> set t 1 last

Time values set: 2008:8:6:0 2008:8:9:23

ga-> d time

Syntax Error:  Invalid Operand

  'time' not a variable or function name

  Error ocurred at column 1

DISPLAY error:  Invalid expression

  Expression = time

 

Did I mess this up? Is this a bug? Deprecated feature? The destination of
this information is a time series text file via fprintf.gs. I realize I
could do this the "long way" with an iterator and repeated 'q time' calls,
but I was wondering if there's a shortcut. Thanks.

 

~Dave

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