<div>Hello everybody!</div><div><br></div><div>I am trying to read netcdf data (EP flux) that has the header info pasted below. If I use the sdfopen directly it does not open, prompting the error message: SDF file has no discernible X coordinate.</div>
<div><br></div><div>I am using Grads for Windows. I tried to use xdfopen. Now the problem I have is that it cannot recongnize the XVAR dimension when using a simple description file as the one below.</div><div><br></div><div>
<div>DSET ^<a href="http://epflux_monthly_ncep.nc">epflux_monthly_ncep.nc</a></div><div>TITLE This is a sample </div><div>UNDEF 99999.0</div><div>XDEF 1 levels 0</div><div>YDEF 73 LINEAR -90.0 2.5</div><div>TDEF 768 LINEAR 0Z01JAN1948 1DY</div>
<div>VARS 2</div><div>epflux_vert epflux_ver</div><div>epflux_horz epflux_horz</div><div>ENDVARS</div></div><div><br></div><div>Can someone help me with the description file to open using the xdopen command?</div><div><br>
</div><div>Thanks.</div><div><br></div><div>Eduardo.</div><div><br></div><div><br></div><div>-----------------</div><div>Header INFO</div><div>---------------</div><div><div><font size="3">NcFileName<span class="Apple-tab-span" style="white-space:pre"> </span>^<a href="http://epflux_monthly_ncep.nc">epflux_monthly_ncep.nc</a><span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">NcFileType<span class="Apple-tab-span" style="white-space:pre"> </span>Unknown<span class="Apple-tab-span" style="white-space:pre"> </span></font></div><div><span class="Apple-tab-span" style="white-space:pre"><font size="3"> </font></span></div>
<div><font size="3">Global Attributes<span class="Apple-tab-span" style="white-space:pre"> </span></font></div><div><font size="3">Name<span class="Apple-tab-span" style="white-space:pre"> </span>NcType<span class="Apple-tab-span" style="white-space:pre"> </span>Value<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">Conventions<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"COARDS"<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">description<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"EP flux vector from NCEP reanalysis (monthly mean)"<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">author<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"Ingo Wohltmann, Alfred Wegener Institute"<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">date<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"16-Mar-2012 19:45:31"<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">history<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"Version 1.0"<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><span class="Apple-tab-span" style="white-space:pre"><font size="3"> </font></span></div><div><font size="3">Dimensions<span class="Apple-tab-span" style="white-space:pre"> </span></font></div><div><font size="3">Name<span class="Apple-tab-span" style="white-space:pre"> </span>Excel Name<span class="Apple-tab-span" style="white-space:pre"> </span>Value<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">time<span class="Apple-tab-span" style="white-space:pre"> </span>time<span class="Apple-tab-span" style="white-space:pre"> </span>768<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">levels<span class="Apple-tab-span" style="white-space:pre"> </span>levels<span class="Apple-tab-span" style="white-space:pre"> </span>17<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><font size="3">latitude<span class="Apple-tab-span" style="white-space:pre"> </span>latitude<span class="Apple-tab-span" style="white-space:pre"> </span>73<span class="Apple-tab-span" style="white-space:pre"> </span></font></div>
<div><span class="Apple-tab-span" style="white-space:pre"><font size="3"> </font></span></div><div><font size="3">Variables<span class="Apple-tab-span" style="white-space:pre"> </span></font></div><div><font size="3">Name<span class="Apple-tab-span" style="white-space:pre"> </span>Excel Name<span class="Apple-tab-span" style="white-space:pre"> </span>NcType<span class="Apple-tab-span" style="white-space:pre"> </span>Dimension<span class="Apple-tab-span" style="white-space:pre"> </span>Attribute Name<span class="Apple-tab-span" style="white-space:pre"> </span>Attribute NcType<span class="Apple-tab-span" style="white-space:pre"> </span>Attribute Value<span class="Apple-tab-span" style="white-space:pre"> </span>NcStorageType</font></div>
<div><font size="3">time<span class="Apple-tab-span" style="white-space:pre"> </span>time<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE<span class="Apple-tab-span" style="white-space:pre"> </span>time<span class="Apple-tab-span" style="white-space:pre"> </span>units<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"days since 1900-01-01 00:00:00"<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE</font></div>
<div><font size="3">-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>long_name<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"Days since 1st January 1900 00:00 GMT"<span class="Apple-tab-span" style="white-space:pre"> </span>-</font></div>
<div><font size="3">levels<span class="Apple-tab-span" style="white-space:pre"> </span>levels<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE<span class="Apple-tab-span" style="white-space:pre"> </span>levels<span class="Apple-tab-span" style="white-space:pre"> </span>units<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"hPa"<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE</font></div>
<div><font size="3">-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>long_name<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"Pressure (hPa)"<span class="Apple-tab-span" style="white-space:pre"> </span>-</font></div>
<div><font size="3">latitude<span class="Apple-tab-span" style="white-space:pre"> </span>latitude<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE<span class="Apple-tab-span" style="white-space:pre"> </span>latitude<span class="Apple-tab-span" style="white-space:pre"> </span>units<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"degrees_north"<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE</font></div>
<div><font size="3">-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>long_name<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"Latitude (degrees north)"<span class="Apple-tab-span" style="white-space:pre"> </span>-</font></div>
<div><font size="3">year<span class="Apple-tab-span" style="white-space:pre"> </span>year<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE<span class="Apple-tab-span" style="white-space:pre"> </span>time<span class="Apple-tab-span" style="white-space:pre"> </span>units<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"n/a"<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE</font></div>
<div><font size="3">-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>long_name<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"Year of mean"<span class="Apple-tab-span" style="white-space:pre"> </span>-</font></div>
<div><font size="3">month<span class="Apple-tab-span" style="white-space:pre"> </span>month<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE<span class="Apple-tab-span" style="white-space:pre"> </span>time<span class="Apple-tab-span" style="white-space:pre"> </span>units<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"n/a"<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE</font></div>
<div><font size="3">-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>long_name<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"Month of mean"<span class="Apple-tab-span" style="white-space:pre"> </span>-</font></div>
<div><font size="3">epflux_vert<span class="Apple-tab-span" style="white-space:pre"> </span>epflux_vert<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE<span class="Apple-tab-span" style="white-space:pre"> </span>time x levels x latitude<span class="Apple-tab-span" style="white-space:pre"> </span>units<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"kg/s2"<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE</font></div>
<div><font size="3">-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>long_name<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"EP flux vertical component (kg/s2)"<span class="Apple-tab-span" style="white-space:pre"> </span>-</font></div>
<div><font size="3">epflux_horz<span class="Apple-tab-span" style="white-space:pre"> </span>epflux_horz<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE<span class="Apple-tab-span" style="white-space:pre"> </span>time x levels x latitude<span class="Apple-tab-span" style="white-space:pre"> </span>units<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"kg/s2"<span class="Apple-tab-span" style="white-space:pre"> </span>NC_DOUBLE</font></div>
<div><font size="3">-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>-<span class="Apple-tab-span" style="white-space:pre"> </span>long_name<span class="Apple-tab-span" style="white-space:pre"> </span>NC_CHAR<span class="Apple-tab-span" style="white-space:pre"> </span>"EP flux horizontal component (kg/s2)"<span class="Apple-tab-span" style="white-space:pre"> </span>-</font></div>
<div><span class="Apple-tab-span" style="white-space:pre"><font size="3"> </font></span></div><div><font size="3">Data<span class="Apple-tab-span" style="white-space:pre"> </span></font></div></div><div><br></div>