Dear Viktoria,

Have you tried to input longitudes modulo 360°, since -180=360 ?
Does the map allow for that ?
Dominique

Viktoria Kahui a écrit:
Thanks for your reply. I am working on a case study on the east coast of New Zealand.
I agree that the coordinates should be between -180 and 180, the problem is when I type Long min -171 and Long max 170 ISIS takes the area to the left of New Zealand all around the world. If I swap it and type Long min 170 and Long max -171 (which should be the right way to do it) then ISIS does not recognise this. I think there might be a problem with defining an area that stretches ACROSS the -180 longitude line. Maybe a programming error?

Thanks Viktoria 



Viktoria Kahui │ Post Doktor
 
Dept of Economics │NFH
University of Tromsø │ 9037Tromsø│Norway
Tel. +47 776 46386
-----Original Message-----
From: isis-fish-user-bounces@lists.labs.libre-entreprise.org [mailto:isis-fish-user-bounces@lists.labs.libre-entreprise.org] On Behalf Of Youen VERMARD
Sent: 16. august 2007 10:17
To: Liste pour les utilisateurs du simulateur
Subject: Re: [Isis-fish-user] coordinates

Hi Viktoria,

I don't know which case study you are working on but longitude must be
defined between -180 to 180.
And you should restrict the area to your case study boundaries.

I Hope you will succeed in creating your case study area,

Cheers,

Youen

Viktoria Kahui a e'crit:
  
Hi

I am a new user and I am trying to input coordinates for the fishery 
area boundaries (5.2.2 Fishery area characteristics). I am inputting 
longitude coordinates that straddle the time line and experience 
problems when trying to input for example Min.Lon. 170, Max.Lon -171. My 
grid disappears. If, however, I input Min.Lon. 170 and Max.Lon 189 it 
works and I get the area of grids covered I want. The problem then is 
that when I try to define the cells in the next command (5.2.3 Cells), 
ISIS doesn¡¯t let me click on any of the cells beyond lon 180.

 

Does anyone know what I am doing wrong?

Thanks Viktoria

 

Viktoria Kahui ¦¢ Post Doktor

 

Dept of Economics ¦¢NFH

University of Troms©ª ¦¢ 9037Troms©ª¦¢Norway

Tel. +47 776 46386

 


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