<br><font size=2 face="sans-serif">Paul,</font>
<br><font size=2 face="sans-serif">Using the first (navytopo) dataset you
listed, I can get an image coverage similar to those in your wxmaps.org
link by doing the following:</font>
<br>
<br><font size=2 face="sans-serif">'set mproj nps'</font>
<br><font size=2 face="sans-serif">'set lon 0 360'</font>
<br><font size=2 face="sans-serif">'set mpvals -25 50 25 70'</font>
<br><font size=2 face="sans-serif">'d const(z,0,-u)'</font>
<br>
<br><font size=2 face="sans-serif">Using the "const" expression
seems to get rid of the blank line along 0 degrees. Granted it's still
nps projection, but your samples appear to be also. Otherwise, you could
use "set defval [defined variable] to fill in the blank part of your
defined map subset. Earlier (July I think) there was also a Users Group
posting suggesting something like this:</font>
<br>
<br><font size=2 face="sans-serif">'set lon 320 410'</font>
<br><font size=2 face="sans-serif">'d [vrbl]'</font>
<br><font size=2 face="sans-serif">'set lon -40 50'</font>
<br><font size=2 face="sans-serif">'d [vrbl]'</font>
<br>
<br><font size=2 face="sans-serif">In above example, it should fill in
the map, but you still get an image discontinuity along the 0 meridian.
Perhaps someone else out there knows a cleaner and hopefully more straightforward
way to do this.</font>
<br>
<br><font size=2 face="sans-serif">Good luck!</font>
<br><font size=2 face="sans-serif">Stephen Mc</font>
<br>
<br>
<br>
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<td width=40%><font size=1 face="sans-serif"><b>Paul Michaelwaite <paul@NET-WEATHER.CO.UK></b>
</font>
<br><font size=1 face="sans-serif">Sent by: GRADSUSR@LIST.CINECA.IT</font>
<p><font size=1 face="sans-serif">11/17/2005 08:43 AM</font>
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<div align=center><font size=1 face="sans-serif">Please respond to<br>
GRADSUSR@LIST.CINECA.IT</font></div></table>
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<td>
<div align=right><font size=1 face="sans-serif">To</font></div>
<td valign=top><font size=1 face="sans-serif">GRADSUSR@LIST.CINECA.IT</font>
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<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
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<tr>
<td>
<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td valign=top><font size=1 face="sans-serif">makebg.gs</font></table>
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<td></table>
<br></table>
<br>
<br><font size=2><tt>Hi all, I hope you may be able to help me. I am trying
to use the script<br>
makebg.gs, which gets the topographiy data from these dods servers:<br>
http://cola8.iges.org:9090/dods/navytopo<br>
http://cola8.iges.org:9090/dods/navyh2o<br>
</tt></font>
<br><font size=2><tt>But using these, it is only possible to make it work
for europe by using a<br>
NPS projection as on lat lon projection cuts out anything west of the<br>
0degree line.<br>
</tt></font>
<br><font size=2><tt>Evem on the NPS projection it creates a blank line
through 0 degrees. Is<br>
there a setting I need to change or is there another source of this data<br>
that can be used? I see the charts for europe on the grads site don't have<br>
this problem, so I am guessing there is some way around it?<br>
</tt></font>
<br><font size=2><tt>http://wxmaps.org/pix/euro.fcst.html<br>
</tt></font>
<br><font size=2><tt>Thanks in advance for any help you can offer.<br>
</tt></font>
<br><font size=2><tt>Paul</tt></font><font size=2 face="sans-serif"><br>
<br>
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