[gradsusr] problem regarding opening data descriptor file in grads

[asmat ullah]

hi,i am using GFDL CM2.0...i have download the data form LAS portal of GFDL. i have run the .nc file than this error has been occurred as under..
SDF Error: 365 day calendars are no longer supported by sdfopen.To open this file with grads us a descriptor file with a complete TDEF entry and Options 365 day calendar......
than i use xconv and convert nc file in grads readable. this software give the output in two file one was .ctl file and .dat file. these file were not open properly when i gave the path in script of .ctl file by applying xdfopen, the error was as under....gadxdf error: invalid options keywordThe invalid description file record is:options little_endianThe data file was not opened.
In .ctl file the script was as underdset ^cm112.datundef 200000004008175470000.000000options little_endian*xdef 2 linear 1.000000 1.000000*ydef 1 linear 1 1*zdef 1 linear 1 1*tdef 264 linear 01:-3Z55 708dyhr*vars 2TIME_bnds 0 99 TIME_bndsPR 0 99 Precipitation [kg m-2 s-1]endvars

Please let me knw ho can i open .dat and .ctl files in grads, and how to operate .dat file in grads. 
RegardsASMAT ULLAH


 		 	   		  
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