[gradsusr] HELP TO OPEN FILES

[Arturo Hernandez Rosales]

DEAR USERS

HELLO DEAR USERS GRADS, ANYONE CAN TELL ME HOW TO OPEN MORE THAN TWO 
FILES IN MY SCRIPTS, I HAVE THE FOLLOWING MISTAKE, THANKS FOR YOUR 
HELP.

MY SCRIPTS

'sdfopen D:/NETCDF/LEVEL_PRESURE.nc'
'sdfopen D:/NETCDF/USURFACEWIND.nc'
'sdfopen D:/NETCDF/t_mar2003.nc'
  

'set font 5'
'set display color white'
'display pres'
*'display pr_wtr'
'display (air-273.4)'
'display uwnd'
'run cbarn'
'set grads on'

'printim SURFACEWIND.png'

'end'

AND MY MISTAKE

Syntax Error:  Invalid Operand
   'air' not a variable or function name
   Error ocurred at column 2
DISPLAY error:  Invalid expression
   Expression = (air-273.4)
Syntax Error:  Invalid Operand
   'uwnd' not a variable or function name
   Error ocurred at column 1
DISPLAY error:  Invalid expression
   Expression = uwnd
Syntax Error:  Invalid Operand
   'uwnd' not a variable or function name
   Error ocurred at column 1
DISPLAY error:  Invalid expression
   Expression = uwnd
ga->


SOMEONE PLEASE HELP ME!!, THANKS

ATT:
M. en C. ARTURO HERNANDEZ ROSALES
ESIA TICOMAN CIENCIAS DE LA TIERRA IPN
DEPARTAMENTO DE GEOFISICA
AREA: DINAMICA Y ESTABILIDAD DE FLUJOS
              ATMOSFERICOS
TEL: 57296000, EXT. 56125
MEXICO. D.F

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