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[IDV #NNP-883811]: IDV and Sigma coordinates



> Dear IDV support,
> 
> We are using IDV to represent in 3D mode, outputs from meteorological and
> oceanographic circulation models.
> 
> Both our models work in sigma coordinates. At the moment we can calculate
> the z-level equivalent from the ocean model file outside IDV.
> 
> Is there a way of converting from Sigma to Zlevel (altitude in meters)
> Inside IDV, the meteorological files? The meteorological model is MM5
> 
Carlos,

The answer is yes, but no a good idea to let the IDV doing this kind of 
translation. The IDV can handle sigma coordinate system, and you may not need 
to convert the to the z level depending on the requirement.


Yuan
> The sigma levels in our MM5 meteorological files:
> .05 .125 .175 .225 .275 .325 .375 .425 .465 .49 .51 .535 .575 .625 .675
> .725 .775 .825 .89 .92 .95 .97 .985 .995
> 
> 
> Thanks in advance.
> 
> Carlos Lucas
> 
> 


Ticket Details
===================
Ticket ID: NNP-883811
Department: Support IDV
Priority: Normal
Status: Closed