Re: wmbarb not working with Lambert Conformal projection

From: Rick Brownrigg <brownrig_at_nyahnyahspammersnyahnyah>
Date: Tue Apr 05 2011 - 13:46:50 MDT

Hi,

A central meridian in the Lambert projection is a line of constant *longitude*. The assignment below suggests its being set to a value of latitude -- is this perhaps the issue?

Rick

On Apr 5, 2011, at 11:51 AM, antti.pessi@vaisala.com wrote:

> Hello,
>
> Iím trying to plot observed wind barbs using wmbarb on a gridded model map. My map resources are following:
>
> res1@mpProjection = "LambertConformal"
> res1@mpLambertParallel1F = lat2d@Latin1
> res1@mpLambertParallel2F = lat2d@Latin2
> res1@mpLambertMeridianF = lat2d@Lov
>
> res1@mpLimitMode = "Corners"
> res1@mpLeftCornerLatF = lat2d@corners(0)
> res1@mpLeftCornerLonF = lon2d@corners(0)
> res1@mpRightCornerLatF = lat2d@corners(2)
> res1@mpRightCornerLonF = lon2d@corners(2)
>
> res1@tfDoNDCOverlay = True
>
>
> If I comment out the first four lines, the wmbarb works just fine and plots the barbs correctly. However, that way I get a distorted map with straight latitude and longitude lines. If I run the code as above, wmbarb doesnít plot anything. I tried wmbarbmap as well but that didnít work either.
>
> Are there some settings that would make the wmbarb to work with Lambert projection?
>
> Thanks,
> Antti Pessi
>
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Received on Tue Apr 5 13:46:56 2011

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