[gradsusr] Strange issues with GRADS displaying a value of 100% across small grid

[Mike Manning]

Hi guys,

 

I have a very strange issue with Grads (all versions).  I have the following
grads script which you can test below:

 

'sdfopen
https://nomads.ncep.noaa.gov:9090/dods/gfs_0p25_1hr/gfs20190919/gfs_0p25_1hr
_00z'

'set t 47'

'set lon 151 153'

'set lat -29 -28'

 

'set rgb 45 254 254 254'

'set rgb 46 0 70 255'

'set rgb 48 40 100 255'

'set rgb 50 80 130 255'

'set rgb 52 120 160 255'

'set rgb 54 160 190 255'

'set rgb 56 200 220 255'

'set rgb 58 240 250 255'

'set rgb 60 255 205 95'

'set rgb 62 255 155 45'

'set rgb 63 255 130 20'

'set rgb 64 255 105 0'

'set rgb 65 255 80 0'

'set rgb 66 255 55 0'

'set rgb 67 255 30 0'

'set rgb 68 255 5 0'

'set rgb 69 230 0 0'

'set rgb 70 205 0 0'

'set rgb 71 185 0 0'

'set rgb 72 160 0 0'

'set rgb 73 135 0 0'

 

'set clevs 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100'

'set ccols 45 46 48 50 52 54 56 58 60 62 63 64 65 66 67 68 69 70 71 72 73'

 

'set gxout shaded'

'set csmooth on'

'set cmin 5'

'set cmax 100'

'display TCDCclm'

 

'printim cloudtotal.png white'

'quit'

 

This doesn't seem to display anything at all except a white image.. if you
change the lon from 'set lon 151 153' to 'set lon 151 154' then it works
fine as it has more than 1 value.. it's like Grads doesn't like a value of
100? I'm sure I've set my ccols and clevs correctly.

 

Cheers, Mike

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