<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi<div class=""><br class=""></div><div class="">I downloaded ERA-I data directly in nc format.</div><div class=""><br class=""></div><div class="">Yes you are right, I can use addfiles to read some nc data, such as NECP nc data.</div><div class="">However, when I use the same commands to read ERA-I data and MERRA2 data, it doesn’t work. I do not know why.</div><div class=""><br class=""></div><div class="">Best regards,</div><div class="">Xinyue<br class=""><div><blockquote type="cite" class=""><div class="">On Dec 24, 2017, at 12:49, Krishnamoorthy Chandramouli <<a href="mailto:chandrakrishna.90@gmail.com" class="">chandrakrishna.90@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><div class=""><div class=""><div class="">Hi<br class=""><br class="">From your error message it looks like you want to read ERA data<br class=""><br class="">I think ERA interim data is in grib format.<br class=""><br class=""></div>I used to convert it to netcdf using ncl_convert2nc <br class=""><br class=""></div>then i read the file.<br class=""><br class=""></div>If you want to read nc4 file. you can do it directly using addfile. <br class=""><br class=""></div>I have read the nc4 IMERG data recently, i never encountered a problem.<br class=""><br class=""><br class=""></div><div class="gmail_extra"><br clear="all" class=""><div class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class=""><b class="">Regards,</b><br class=""></div><i class="">Krishnamoorthy Chandramouli</i><br class=""></div></div></div>
<br class=""><div class="gmail_quote">On Sun, Dec 24, 2017 at 9:06 AM, Wang Xinyue via ncl-talk <span dir="ltr" class=""><<a href="mailto:ncl-talk@ucar.edu" target="_blank" class="">ncl-talk@ucar.edu</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><span style="font-size:14px" class="">Hi Karin,</span><div class=""><span style="font-size:14px" class=""><br class=""></span></div><div class=""><span style="font-size:14px" class="">Thanks for the reply.</span></div><div class=""><span style="font-size:14px" class="">However, it did not work, I got the same warning:</span></div><div class=""><span id="cid:5E683705-5946-4B5A-99B7-86499EB325FD"><PastedGraphic-3.png></span><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Dec 22, 2017, at 23:59, Karin Meier-Fleischer <<a href="mailto:meier-fleischer@dkrz.de" target="_blank" class="">meier-fleischer@dkrz.de</a>> wrote:</div><br class="m_5232424483728851428Apple-interchange-newline"><div class="">
<div text="#000000" bgcolor="#FFFFFF" class="">
Try:<br class="">
<pre class=""><pre class=""><pre class="">fils = systemfunc("ls *.nc")
setfileoption("nc", "FileStructure", "Advanced")
f = addfiles(fils,"r")
</pre></pre></pre>
-Karin<br class="">
<br class="">
<div class="m_5232424483728851428moz-cite-prefix">Am 22.12.17 um 12:20 schrieb Wang
Xinyue:<br class="">
</div>
<blockquote type="cite" class="">
<span style="font-size:14px" class="">Hi Karin,</span>
<div class=""><span style="font-size:14px" class=""><br class="">
</span>
<div class=""><span style="font-size:14px" class="">Thanks for
your prompt reply!</span></div>
<div class=""><span style="font-size:14px" class="">The 199902
dataset is just one of the datasets I want to read, I
selected that one randomly and every single dataset got the
same warning as:</span></div>
<div class="">
<blockquote type="cite" class="">
<div text="#000000" bgcolor="#FFFFFF" class="">
<blockquote type="cite" class="">
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">
<div style="margin:0px;line-height:normal;font-family:Menlo" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">warning:_NclOpenFile: Can
not open file
</.../.../merra2/<a href="http://merra2_200.tavgm_3d_cld_np.199902.nc4.nc/" target="_blank" class="">MERRA2_200.<wbr class="">tavgM_3d_cld_Np.199902.nc4.nc</a>><wbr class="">;
file format not supported or file is corrupted</span></div>
</span></div>
</blockquote>
</div>
</blockquote>
</div>
<div class="">
<div text="#000000" bgcolor="#FFFFFF" class="">
<blockquote type="cite" class="">
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">
<div style="margin:0px;line-height:normal;font-family:Menlo" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class="">
</span></div>
</span></div>
</blockquote>
</div>
</div>
<div class=""><span style="font-size:14px" class=""><br class="">
</span></div>
<div class=""><span style="font-size:14px" class="">The
ncl_filedump output is like this:</span></div>
<div class=""><span style="font-size:14px" class=""><br class="">
</span></div>
<div class="">
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">Variable: f</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">Type: file</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">filename:<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>MERRA2_400.tavgM_3d_cld_Np.<wbr class="">201112.nc4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">path:<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/.../<a href="http://merra2_400.tavgm_3d_cld_np.201112.nc4.nc/" target="_blank" class="">MERRA2_400.tavgM_3d_cld_<wbr class="">Np.201112.nc4.nc</a></span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> file global attributes:</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> History : Original
file generated: Sat Jul 4 21:58:25 2015 GMT</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> Filename :
MERRA2_400.tavgM_3d_cld_Np.<wbr class="">201112.nc4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> Comment : GMAO
filename:
d5124_m2_jan10.tavg3_3d_cld_<wbr class="">Np.monthly.201112.nc4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> Conventions : CF-1</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> Institution : NASA
Global Modeling and Assimilation Office</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> References : <a href="http://gmao.gsfc.nasa.gov/" target="_blank" class="">http://gmao.gsfc.nasa.gov</a></span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> Format :
NetCDF-4/HDF-5</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> SpatialCoverage :
global</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> VersionID : 5.12.4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> TemporalRange :
1980-01-01 -> 2016-12-31</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">
identifier_product_doi_<wbr class="">authority : <a href="http://dx.doi.org/" target="_blank" class="">http://dx.doi.org/</a></span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> ShortName : M2TMNPCLD</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> RangeBeginningDate :
2011-12-01</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> RangeEndingDate :
2011-12-31</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> GranuleID :
MERRA2_400.tavgM_3d_cld_Np.<wbr class="">201112.nc4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> ProductionDateTime :
Original file generated: Sat Jul 4 21:58:25 2015 GMT</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> LongName : MERRA2
tavg3_3d_cld_Np:
3d,3-Hourly,Time-Averaged,<wbr class="">Pressure-Level,Assimilation,<wbr class="">Cloud
Diagnostics Monthly Mean</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> Title : MERRA2
tavg3_3d_cld_Np:
3d,3-Hourly,Time-Averaged,<wbr class="">Pressure-Level,Assimilation,<wbr class="">Cloud
Diagnostics Monthly Mean</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> SouthernmostLatitude
: -90.0</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> NorthernmostLatitude
: 90.0</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> WesternmostLongitude
: -180.0</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> EasternmostLongitude
: 179.375</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> LatitudeResolution :
0.5</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> LongitudeResolution :
0.625</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> DataResolution : 0.5
x 0.625 (42 pressure levels)</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> Source : CVS tag:
GEOSadas-5_12_4</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> Contact : <a href="http://gmao.gsfc.nasa.gov/" target="_blank" class="">http://gmao.gsfc.nasa.gov</a></span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">
identifier_product_doi : 10.5067/J9R0LXGH48JR</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> RangeBeginningTime :
00:00:00.000000</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> RangeEndingTime :
23:59:59.000000</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">
DODS_EXTRA.Unlimited_<wbr class="">Dimension : time</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> history : 2017-12-10
06:40:28 GMT Hyrax-1.13.4 <a href="https://goldsmr5.gesdisc.eosdis.nasa.gov/opendap/MERRA2_MONTHLY/M2TMNPCLD.5.12.4/2011/MERRA2_400.tavgM_3d_cld_Np.201112.nc4.nc?CLOUD[0:0][0:41][0:360][0:575],time,lev,lat[0:360],lon[0:575" target="_blank" class="">https://goldsmr5.gesdisc.<wbr class="">eosdis.nasa.gov:443/opendap/<wbr class="">MERRA2_MONTHLY/M2TMNPCLD.5.12.<wbr class="">4/2011/MERRA2_400.tavgM_3d_<wbr class="">cld_Np.201112.nc4.nc?CLOUD[0:<wbr class="">0][0:41][0:360][0:575],time,<wbr class="">lev,lat[0:360],lon[0:575</a>]</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> dimensions:</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> time = 1</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> lev = 42</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> lat = 361</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> lon = 576</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> variables:</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> float CLOUD ( time,
lev, lat, lon )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> long_name :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>cloud_fraction_for_radiation</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> units :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> _FillValue :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> missing_value :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> fmissing_value :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmax :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmin :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> valid_range :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> origname :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>CLOUD</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> fullnamepath :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/CLOUD</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);min-height:25px" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""></span><br class="">
</div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> double lat ( lat )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> CLASS :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>DIMENSION_SCALE</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> NAME :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lat</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> long_name :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>latitude</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> units :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>degrees_north</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmax :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmin :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> valid_range :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> origname :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lat</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> fullnamepath :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/lat</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);min-height:25px" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""></span><br class="">
</div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> double lev ( lev )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> CLASS :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>DIMENSION_SCALE</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> NAME :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lev</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> long_name :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>vertical
level</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> units :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>hPa</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> positive :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>down</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmax :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmin :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> valid_range :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> origname :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lev</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> fullnamepath :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/lev</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);min-height:25px" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""></span><br class="">
</div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> double lon ( lon )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> CLASS :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>DIMENSION_SCALE</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> NAME :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lon</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> long_name :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>longitude</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> units :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>degrees_east</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmax :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmin :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> valid_range :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> origname :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>lon</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> fullnamepath :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/lon</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255);min-height:25px" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""></span><br class="">
</div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> integer time ( time )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> CLASS :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>DIMENSION_SCALE</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> NAME :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>time</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> long_name :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>time</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> units :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>minutes
since 2011-12-01 01:30:00</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> time_increment :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>60000</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> begin_date :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>20111201</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> begin_time :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>13000</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmax :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> vmin :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>-1e+15</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> valid_range :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>(
-1e+15, 1e+15 )</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> origname :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>time</span></div>
<div style="margin:0px;font-size:22px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""> fullnamepath :<span class="m_5232424483728851428Apple-tab-span" style="white-space:pre-wrap"> </span>/time</span></div>
</div>
</div>
<div style="margin:0px;line-height:normal;background-color:rgb(255,255,255)" class=""><span style="font-size:14px" class="">Thanks,</span></div>
<div style="margin:0px;line-height:normal;background-color:rgb(255,255,255)" class=""><span style="font-size:14px" class="">Xinyue</span></div>
<div class="">
<blockquote type="cite" class="">
<div class="">On Dec 22, 2017, at 19:16, Karin Meier-Fleischer
via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank" class="">ncl-talk@ucar.edu</a>> wrote:</div>
<br class="m_5232424483728851428Apple-interchange-newline">
<div class="">
<div text="#000000" bgcolor="#FFFFFF" class=""> Hi Xinyue,<br class="">
<br class="">
please, send the output of <b class="">ncl_filedump</b>
from <a href="http://merra2_200.tavgm_3d_cld_np.199902.nc4.nc/" target="_blank" class="">MERRA2_200.tavgM_3d_cld_Np.<wbr class="">199902.nc4.nc</a><br class="">
<br class="">
-Karin<br class="">
<br class="">
<br class="">
<div class="m_5232424483728851428moz-cite-prefix">Am 22.12.17 um 10:16 schrieb
Wang Xinyue via ncl-talk:<br class="">
</div>
<blockquote type="cite" class="">
<font size="4" face="Times" class="">Hi there,</font>
<div class=""><font size="4" face="Times" class=""><br class="">
</font></div>
<div class=""><font size="4" face="Times" class="">I met
with a problem in reading nc files.</font></div>
<div class=""><font size="4" face="Times" class="">I can
use the following commands to read NCEP datasets:</font></div>
<div class=""><br class="">
</div>
<div class=""><span style="background-color:rgb(255,255,255)" class=""><font size="4" face="Menlo" class="">fils = systemfunc("ls
/.../.../ncep/omega/*.nc”)</font></span> </div>
<div class="">
<div style="margin:0px;font-size:18px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">f = addfiles(fils,
"r”)</span></div>
</div>
<div style="margin:0px;font-size:18px;line-height:normal;font-family:Menlo;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><font face="Times" class="">But when I use the same commands to
read ERA-I datasets and MERRA2 datasets, it warned
like this:</font></span></div>
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin:0px;font-size:18px;line-height:normal;background-color:rgb(255,255,255)" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">
<div style="margin:0px;line-height:normal;font-family:Menlo" class=""><span style="font-variant-ligatures:no-common-ligatures" class="">warning:_NclOpenFile:
Can not open file
</.../.../merra2/<a href="http://merra2_200.tavgm_3d_cld_np.199902.nc4.nc/" target="_blank" class="">MERRA2_200.<wbr class="">tavgM_3d_cld_Np.199902.nc4.nc</a>><wbr class="">;
file format not supported or file is corrupted</span></div>
<div style="margin:0px;line-height:normal;font-family:Menlo" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin:0px;line-height:normal" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><font face="Times" class="">Is anyone there had similar
experience before? And how did you fix it?</font></span></div>
<div style="margin:0px;line-height:normal" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><font face="Times" class=""><br class="">
</font></span></div>
<div style="margin:0px;line-height:normal" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><font face="Times" class="">Looking forward to your reply.</font></span></div>
<div style="margin:0px;line-height:normal" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><font face="Times" class=""><br class="">
</font></span></div>
<div style="margin:0px;line-height:normal" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><font face="Times" class="">Thanks,</font></span></div>
<div style="margin:0px;line-height:normal" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><font face="Times" class="">Xinyue</font></span></div>
<div style="margin:0px;line-height:normal;font-family:Menlo" class=""><span style="font-variant-ligatures:no-common-ligatures" class=""><br class="">
</span></div>
</span></div>
<br class="">
<fieldset class="m_5232424483728851428mimeAttachmentHeader"></fieldset>
<br class="">
<pre class="">______________________________<wbr class="">_________________
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</pre>
</blockquote>
<br class="">
<pre class="m_5232424483728851428moz-signature" cols="72">--
Dipl. Geophys. Karin Meier-Fleischer
Visualization, NCL, CDO
Application Support
Deutsches Klimarechenzentrum GmbH (DKRZ)
Bundesstrasse 45a - D20146 Hamburg - Germany
Phone: <a href="tel:+49%2040%20460094126" value="+4940460094126" target="_blank" class="">+49 (0)40 460094 126</a>
Fax: <a href="tel:+49%2040%20460094270" value="+4940460094270" target="_blank" class="">+49 (0)40 460094 270</a>
E-Mail: <a class="m_5232424483728851428moz-txt-link-abbreviated" href="mailto:meier-fleischer@dkrz.de" target="_blank">meier-fleischer@dkrz.de</a>
URL: <a class="m_5232424483728851428moz-txt-link-abbreviated" href="http://www.dkrz.de/" target="_blank">www.dkrz.de</a>
Geschäftsführer: Prof. Dr. Thomas Ludwig
Sitz der Gesellschaft: Hamburg
Amtsgericht Hamburg HRB 39784
</pre>
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</blockquote>
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