[gradsusr] 'q w2gr 120 30'

[Namba Takaya]

Dear Sir
When I do 'q w2gr 120 30' the error comes likecoordinate No scaling environment
Could you give me how to solve the problem?
Best Regards, Takaya Namba

My grads script is 'set gxout shaded''xdfopen bsst.ctl'say test2'q file'say result'q w2gr 120 30'say result
data descriptor file
DSET  http://data.nodc.noaa.gov/opendap/pathfinder/Version5.0/Monthly/1985/198501.s04m1pfv50-bsst-16b.hdfoptions yrevTITLE This is a sampleUNDEF 99999.0YDEF lat 4096 LINEAR -90 0.043945XDEF lon 8192 LINEAR -180 0.043945VARS 1:bsst=>bsst 1 99 surface temperatureENDVARS

My grads script is 
'set gxout shaded''xdfopen bsst.ctl'say test2'q file'say result'q w2gr 120 30'say result
netcdf 198501.s04m1pfv50-bsst-16b { // format variant: 64bit dimensions:        lat = 4096 ;        lon = 8192 ;variables:        short bsst(lat, lon) ;                bsst:dsp_PixelType = 1b ;                bsst:dsp_PixelSize = 2b ;                bsst:dsp_Flag = 0s ;                bsst:dsp_nBits = 16s ;                bsst:dsp_LineSize = 0 ;                bsst:dsp_cal_name = "Temperature" ;                bsst:units = "Temp" ;                bsst:dsp_cal_eqnNumber = 2s ;                bsst:dsp_cal_CoeffsLength = 8s ;                bsst:dsp_cal_coeffs = 0.075f, -3.f ;                bsst:scale_factor = 0.075f ;                bsst:add_off = -3.f ;





 		 	   		  
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