<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I think your YDEF statement should have size 144 instead of 145. --Jennifer<div><br><div><div>On May 4, 2012, at 7:55 AM, <a href="mailto:David.Werth@srnl.doe.gov">David.Werth@srnl.doe.gov</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><font size="2" face="Arial">I am having trouble viewing a NetCDF datafile
in GrADS, v2.0.1.oga.1, which I installed on my Windows machine using the
win32-superpack.zip file. I wrote a control file designed to open
a file in NetCDF format:</font>
<br>
<br><font size="2" face="Arial"><u>UKMOshum-2.ctl</u></font>
<br><font size="2" face="Courier New">dset ^pcmdi.ipcc4.ukmo_hadgem1.20c3m.run1.monthly.hus_A1_1950_to_1999.nc</font>
<br><font size="2" face="Courier New">dtype netcdf</font>
<br><font size="2" face="Courier New">title RAMS Output</font>
<br><font size="2" face="Courier New">undef 1.0e30</font>
<br><font size="2" face="Courier New">options 365_day_calendar</font>
<br><font size="2" face="Courier New">xdef lon 192 linear 0
1.875</font>
<br><font size="2" face="Courier New">ydef lat 145 linear -90
1.25</font>
<br><font size="2" face="Courier New">zdef plev 16 levels 1000
925 850 700 600 500 400 300 250 200 150 100 70 50 30 20</font>
<br><font size="2" face="Courier New">tdef time 600 linear
00:00Z02jan1950 01month</font>
<br><font size="2" face="Courier New">vars 1</font><p><font size="2" face="Courier New">hus=>hus </font><font size="3" face="Times New Roman">16
x,y,z,t specific humidity</font>
</p><p><font size="2" face="Courier New">endvars</font>
<br>
<br><font size="2" face="Arial">I open it with the command ‘xdfopen UKMOshum-1.ctl’,
and it opens without any trouble. When I try to display the data,
however, I get this error:</font>
<br>
<br>
<br><font size="2" face="Arial">xdfopen UKMOshum-2.ctl</font>
<br><font size="2" face="Arial">d hus</font>
</p><p><font size="3" face="Times New Roman">gancgrid error: nc_get_vara_double
failed; NetCDF: Start+count exceeds dimension bound </font>
</p><p>
<br><font size="2" face="Arial">I have used a similar control to open and
display this same variable (hus) for a different (also NetCDF) file, so
I'm not sure what is going wrong now. I have seen similar errors posted
on the message board, and tried to avoid the same mistakes. Doing
an ncdump on the NetCDF file has this output:</font>
<br>
<br><font size="2" face="Arial"><i>netcdf pcmdi.ipcc4.ukmo_hadgem1.20c3m.run1.monthly.hus_A1_1950_to_1999
{</i></font>
<br><font size="2" face="Arial"><i>dimensions:</i></font>
<br><font size="2" face="Arial"><i> lon = 192
;</i></font>
<br><font size="2" face="Arial"><i> lat = 144
;</i></font>
<br><font size="2" face="Arial"><i> plev = 16
;</i></font>
<br><font size="2" face="Arial"><i> time = UNLIMITED
; // (600 currently)</i></font>
<br><font size="2" face="Arial"><i> bnds = 2 ;</i></font>
<br><font size="2" face="Arial"><i>variables:</i></font>
<br><font size="2" face="Arial"><i> double lon(lon)
;</i></font>
<br><font size="2" face="Arial"><i>
lon:standard_name = "longitude" ;</i></font>
<br><font size="2" face="Arial"><i>
lon:long_name = "longitude" ;</i></font>
<br><font size="2" face="Arial"><i>
lon:units = "degrees_east" ;</i></font>
<br><font size="2" face="Arial"><i>
lon:axis = "X" ;</i></font>
<br><font size="2" face="Arial"><i>
lon:bounds = "lon_bnds" ;</i></font>
<br><font size="2" face="Arial"><i> double lon_bnds(lon,
bnds) ;</i></font>
<br><font size="2" face="Arial"><i> double lat(lat)
;</i></font>
<br><font size="2" face="Arial"><i>
lat:standard_name = "latitude" ;</i></font>
<br><font size="2" face="Arial"><i>
lat:long_name = "latitude" ;</i></font>
<br><font size="2" face="Arial"><i>
lat:units = "degrees_north" ;</i></font>
<br><font size="2" face="Arial"><i>
lat:axis = "Y" ;</i></font>
<br><font size="2" face="Arial"><i>
lat:bounds = "lat_bnds" ;</i></font>
<br><font size="2" face="Arial"><i> double lat_bnds(lat,
bnds) ;</i></font>
<br><font size="2" face="Arial"><i> double plev(plev)
;</i></font>
<br><font size="2" face="Arial"><i>
plev:standard_name = "air_pressure" ;</i></font>
<br><font size="2" face="Arial"><i>
plev:long_name = "pressure" ;</i></font>
<br><font size="2" face="Arial"><i>
plev:units = "Pa" ;</i></font>
<br><font size="2" face="Arial"><i>
plev:axis = "Z" ;</i></font>
<br><font size="2" face="Arial"><i>
plev:positive = "down" ;</i></font>
<br><font size="2" face="Arial"><i>
plev:original_units = "hPa" ;</i></font>
<br><font size="2" face="Arial"><i> double time(time)
;</i></font>
<br><font size="2" face="Arial"><i>
time:standard_name = "time" ;</i></font>
<br><font size="2" face="Arial"><i>
time:long_name = "time" ;</i></font>
<br><font size="2" face="Arial"><i>
time:units = "days since 1950-1-1" ;</i></font>
<br><font size="2" face="Arial"><i>
time:axis = "T" ;</i></font>
<br><font size="2" face="Arial"><i>
time:calendar = "360_day" ;</i></font>
<br><font size="2" face="Arial"><i>
time:bounds = "time_bnds" ;</i></font>
<br><font size="2" face="Arial"><i> double time_bnds(time,
bnds) ;</i></font>
<br><font size="2" face="Arial"><i> float hus(time,
plev, lat, lon) ;</i></font>
<br><font size="2" face="Arial"><i>
hus:standard_name = "specific_humidity" ;</i></font>
<br><font size="2" face="Arial"><i>
hus:long_name = "Specific Humidity" ;</i></font>
<br><font size="2" face="Arial"><i>
hus:units = "1" ;</i></font>
<br><font size="2" face="Arial"><i>
hus:cell_methods = "time: mean" ;</i></font>
<br><font size="2" face="Arial"><i>
hus:_FillValue = 1.e+20f ;</i></font>
<br><font size="2" face="Arial"><i>
hus:missing_value = 1.e+20f ;</i></font>
<br><font size="2" face="Arial"><i>
hus:history = " At 16:53:26 on 04/15/2005: CMOR
altered the data in the following ways: replaced missing value flag (-1.07374E+09)
with standard missing value (1.00000E+20); Dimension order was changed;"
;</i></font>
<br>
<br><font size="2" face="Arial">This indicates that the units field should
be in the order x,y,z,t, correct?</font>
<br>
<br><font size="2" face="Arial">D. Werth </font>_______________________________________________<br>gradsusr mailing list<br><a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br>http://gradsusr.org/mailman/listinfo/gradsusr<br></p></blockquote></div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Jennifer M. Adams</div><div>IGES/COLA</div><div>4041 Powder Mill Road, Suite 302</div><div>Calverton, MD 20705</div><div><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span></span>
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