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[IDV #QKA-927791]: Plotting across the Prime Meridian

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  • Subject: [IDV #QKA-927791]: Plotting across the Prime Meridian
  • Date: Fri, 09 Jan 2009 08:43:03 -0700
Hi Dan-

> Full Name: Dan Harding
> Email Address: address@hidden
> Organization: Fugro Geos
> Package Version: 2.6 build date:2008-12-24 20:03 UTC
> Operating System: Windows Vista
> Hardware: Java: home: C:\Program Files\IDV_2.6\jre version: 1.6.0_11 
> j3d:1.5.2 fcs (build4)
> Description of problem: Hi there
> Is the IDV able to plot across the prime meridian? I am trying to view real 
> time GFS
> data and am most interested in areas around the UK.
> Using the 0.5deg data from the motherlode catalog i notice that I am unable 
> to selct a regional
> subset across the UK - I either have to go to the west or to the east, or to 
> use the whole data set.
> If I do the latter and try to use a projection centred around 0E the IDV 
> tries to plot the data, but there
> are lots of strage lines across the plot?
> Ideally I would like to be able to select a small regional subset of data 
> across covering the UK and NW Europe - but is this possible?
> 
> any help would be much appreciated
> 
> cheers

The problem is that these datasets go from 0-360 and we do not have a way in the
underlying netCDF-Java layer to create a subset across the grid boundary. 

Don Murray

Ticket Details
===================
Ticket ID: QKA-927791
Department: Support IDV
Priority: Normal
Status: Open