Re: [idvusers] NcML to fix CF-1.0 incompliancy in tidal model output

• To: Valentijn Venus <venus@xxxxxx>
• Subject: Re: [idvusers] NcML to fix CF-1.0 incompliancy in tidal model output
• From: John Caron <caron@xxxxxxxxxxxxxxxx>
• Date: Mon, 31 May 2010 10:54:22 -0600

Hi Tyn:

I think its because the data has a dimension "W" with no coordinate variable. 
BTW, if you post an actual file, I can diagnose more accurately.

John

Valentijn Venus wrote:

Hi,

Any ideas why this netCDF cannot be loaded by IDV? Any NcML enhancements 
suggestions to make it CF-1.0?

Tyn

<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2"; 
location="file:/home/pub/tidal/fes2004/tide/tide.fes2004.nc">
  <dimension name="X" length="2881" />
  <dimension name="Y" length="1441" />
  <dimension name="W" length="14" />
  <dimension name="L" length="10" />
  <attribute name="Conventions" value="CF 1.0" />
  <attribute name="Topic" value="tidal loading" />
  <attribute name="file_name" value="XXX.nc" />
  <attribute name="production" value="Thierry LETELLIER LEGOS 2005" />
  <attribute name="history" value=" " />
  <variable name="lon" shape="X" type="double">
    <attribute name="units" value="degrees_east" />
    <attribute name="valid_min" type="double" value="-180.0" />
    <attribute name="valid_max" type="double" value="180.0" />
    <attribute name="long_name" value="Longitude" />
    <attribute name="standard_name" value="longitude" />
    <attribute name="nav_model" value="Default grid" />
  </variable>
  <variable name="lat" shape="Y" type="double">
    <attribute name="units" value="degrees_north" />
    <attribute name="valid_min" type="double" value="-90.0" />
    <attribute name="valid_max" type="double" value="90.0" />
    <attribute name="long_name" value="Latitude" />
    <attribute name="standard_name" value="latitude" />
    <attribute name="nav_model" value="Default grid" />
  </variable>
  <variable name="spectrum" shape="W L" type="char">
    <attribute name="long_name" value="tidal_spectrum" />
  </variable>
  <variable name="Ha" shape="W Y X" type="float">
    <attribute name="long_name" value="tidal_LSA_amplitude" />
    <attribute name="short_name" value="Ha" />
    <attribute name="units" value="m" />
    <attribute name="_FillValue" type="float" value="-9999.0" />
    <attribute name="missing_value" type="float" value="-9999.0" />
    <attribute name="scale_factor" type="double" value="1.0" />
    <attribute name="add_offset" type="double" value="0.0" />
    <attribute name="axis" value="WYX" />
    <attribute name="associate" value="spectrum lat lon" />
  </variable>
  <variable name="Hg" shape="W Y X" type="float">
    <attribute name="long_name" value="tidal_LSA_phase_lag" />
    <attribute name="short_name" value="Hg" />
    <attribute name="units" value="degrees" />
    <attribute name="_FillValue" type="float" value="-9999.0" />
    <attribute name="missing_value" type="float" value="-9999.0" />
    <attribute name="scale_factor" type="double" value="1.0" />
    <attribute name="add_offset" type="double" value="0.0" />
    <attribute name="axis" value="WYX" />
    <attribute name="associate" value="spectrum lat lon" />
  </variable>
</netcdf>


Faculty of Geo-Information Science and Earth Observation (ITC)
University of Twente

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• References:
  • [idvusers] NcML to fix CF-1.0 incompliancy in tidal model output
    • From: Valentijn Venus