[Support #UPW-774161]: RE: [idvusers] Access to the Unidata and NSF xml catalogs in IDV

["Unidata IDV Support" <support-idv@xxxxxxxxxxxxxxxx>]

> Arg!...
> 
> *row* major... (no wonder why I am so mixed up on this)

I knew what you meant.
 
> But thanks for your help earlier.

Glad it's all working for you now.   I'll close out the ticket.

Don
> ================================================================
> Bill Capehart <William.Capehart@xxxxxxxxx>   Associate Professor
> Institute of Atmospheric Sciences         Land Surface Processes
> 213 Mineral Industries Building                 Hydrometeorology
> South Dakota School of Mines and Technology Ph:  +1-605-394-1994
> 501 East Saint Joseph Street                Fax: +1-605-394-6061
> Rapid City, SD 57701-3995                Mobile: +1-605-484-5692
> =================== http://capehart.sdsmt.edu ==================
> 
> 
> -----Original Message-----
> From: Capehart, William J
> Sent: Tuesday, April 01, 2008 10:22
> To: 'support-idv@xxxxxxxxxxxxxxxx'
> Subject: RE: [Support #UPW-774161]: RE: [idvusers] Assistance with Hybrid Coordinates (and order of droping data into NetCDF)
> 
> Hi Don
> 
> Sorry for the long delay in getting back to you on this but I think my head is partially on straight now.
> 
> I went through my code (IDL and Fortran) and reversed the order in which the dimensions are listed in the in the command that creates the commands.
> 
> In IDL:
> varid_t = ncdf_vardef(id, 'Temperature', [dim_lon, dim_lat, dim_height_above_ground_t, dim_time], /float)
> 
> In Fortran90ish:
> dims_4d = (/ x_dimid, y_dimid, z_dimid, t_dimid /)
> nf90_def_var(ncid, "geopotential_height", NF90_FLOAT, dims_4d, varidz)
> 
> And now things work.  The trouble was that no matter where I looked in the fortran and idl (both col major) that I was never able to see the warning about reversing the order.
> 
> My graphics now have the correct order and I think we're fine, though I really wish when the wrote the netCDF programming interfaces, they "internalized" the col/row issues for thickies like me.
> 
> ================================================================
> Bill Capehart <William.Capehart@xxxxxxxxx>   Associate Professor
> Institute of Atmospheric Sciences         Land Surface Processes
> 213 Mineral Industries Building                 Hydrometeorology
> South Dakota School of Mines and Technology Ph:  +1-605-394-1994
> 501 East Saint Joseph Street                Fax: +1-605-394-6061
> Rapid City, SD 57701-3995                Mobile: +1-605-484-5692
> =================== http://capehart.sdsmt.edu ==================
> 
> -----Original Message-----
> From: Unidata IDV Support [mailto:support-idv@xxxxxxxxxxxxxxxx]
> Sent: Friday, February 15, 2008 04:25
> To: Capehart, William J
> Cc: support-idv@xxxxxxxxxxxxxxxx
> Subject: [Support #UPW-774161]: RE: [idvusers] Access to the Unidata and NSF xml catalogs in IDV
> 
> Hi Bill-
> 
> > I will try that later today. As for the backwards ordering I'm a little confused.  The CF conventions were telling me to do it so that an array was (T, Z, Y, X) and the CF diagnostic script said that it was OK.  Is IDV expecting a different order for TZYX?
> 
> No, that's what we are expecting, but your file looks like:
> 
> float Temperature(nx_lon=50, nx_lat=50, nz_height_above_ground_t=15, nt_time=9);
> :long_name = "Temperature @ height_above_ground";
> :units = "K";
> :standard_name = "air_temperature";
> :coordinates = "time height_above_ground_t lat lon";
> :maxvalue = 301.2f; // float
> :minvalue = 200.0f; // float
> float Geopotential_height_surface(nx_lon=50, nx_lat=50);
> :long_name = "Geopotential height @ surface";
> :units = "m";
> :standard_name = "surface_altitude";
> :coordinates = "lat lon";
> :maxvalue = 3017.7f; // float
> :minvalue = 28.1f; // float
> 
> which is X,Y,Z,T and X,Y
> 
> I would expect them to look like:
> 
> float Temperature(nt_time=9, nz_height_above_ground_t=15,, nx_lat=50, nx_lon=50);
> :long_name = "Temperature @ height_above_ground";
> :units = "K";
> :standard_name = "air_temperature";
> :coordinates = "time height_above_ground_t lat lon";
> :maxvalue = 301.2f; // float
> :minvalue = 200.0f; // float
> float Geopotential_height_surface(nx_lat=50, nx_lon=50);
> :long_name = "Geopotential height @ surface";
> :units = "m";
> :standard_name = "surface_altitude";
> :coordinates = "lat lon";
> :maxvalue = 3017.7f; // float
> :minvalue = 28.1f; // float
> 
> Don
> 
> 
> Ticket Details
> ===================
> Ticket ID: UPW-774161
> Department: Support IDV
> Priority: Normal
> Status: Open
> 
> 


Ticket Details
===================
Ticket ID: UPW-774161
Department: Support IDV
Priority: Normal
Status: Closed