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[IDV #ILT-566886]: vertical profiles with depth, not altitude

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  • Subject: [IDV #ILT-566886]: vertical profiles with depth, not altitude
  • Date: Wed, 14 Mar 2012 14:24:10 -0600
> Hi Yuan,
> Thanks for the quick reply.  The attached temperature, salinity profile
> (from GTSPP) is very typical of the data I'm dealing with.
> Murray
> 
> 

Murray,
    The data structure is very odd, I am not sure the ncml can work on this 
dataset. Looking at your dataset structure:

   float salinity(time=1, depth=19, latitude=1, longitude=1);
     :long_name = "Salinity";
     :short_name = "psal";
     :standard_name = "salinity";
     :units = "PSU";
     :data_min = 33.92f; // float
     :data_max = 34.15f; // float
     :C_format = "%9.4f";
     :FORTRAN_format = "F9.4";
     :_FillValue = -99.0f; // float
     :Station_Duplication_Flag = "N";
     :Digitization_Method = "7";
     :Standard = "2";
     :Deepest_Depth_m = 60.0f; // float
     :epic_code = 41; // int


And the data from Alan:

   float salinity(depth=78, lat=689, lon=1440);
     :_FillValue = -32000S; // short
     :missing_value = -32000.0f; // float
     :long_name = "Salinity";
     :units = "psu";
     :FORTRAN_format = "e13.6";
     :coordinate_system = "orthogonal_constant-spacing";
     :Navo_code = 16; // int


Changing the direction can be done by adding:

  <variable name="depth" shape="depth" type="double">
    <attribute name="positive" value="down" />
  </variable>

But this doesn't help since the IDV can not figure out the type of your data.


Yuan
> ----- Original Message -----
> From: "Unidata IDV Support" <address@hidden>
> To: <address@hidden>
> Cc: <address@hidden>; <address@hidden>
> Sent: Tuesday, March 13, 2012 3:22 PM
> Subject: [IDV #ILT-566886]: vertical profiles with depth, not altitude
> 
> 
> >> Full Name: Murray Brown
> >> Email Address: address@hidden
> >> Organization: IOC Marine Data Mgt. Training Program
> >> Package Version:
> >> Operating System:
> >> Hardware:
> >> Description of problem: Don,
> >> I'm not downloading NC files, so don't believe I can use the ncml
> >> "converter" that changes positive heights to negative depths.  You
> >> offered to show an earlier requester how to create a new DATA SOURCE TYPE
> >> for this situation.  Could you please help me with that now.  Thanks.
> >>
> >> Murray Brown
> >>
> >>
> > Hi Murray,
> >      We use ncml to modify certain attributes of the dataset, there is
> > really no difference between local or remote dataset.
> >      I can help you create the new data type if you send me a sample file.
> >
> >
> > Yuan
> >
> > Ticket Details
> > ===================
> > Ticket ID: ILT-566886
> > Department: Support IDV
> > Priority: Normal
> > Status: Open
> >
> 
> 


Ticket Details
===================
Ticket ID: ILT-566886
Department: Support IDV
Priority: Normal
Status: Open