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<DIV><FONT face=Arial size=2><FONT face="Times New Roman" size=3>Think I still
must be doing something wrong and/or missing a few important concepts.
Here's what I get:</FONT></FONT></DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3></FONT></FONT> </DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman" size=3>ga-> sdfopen
</FONT><A
href="mhtml:{AFB7F805-B3C0-4E25-B941-0C69528BC204}mid://00009160/!x-usc:http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc"><FONT
face="Times New Roman"
size=3>http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc</FONT></A><BR><FONT
face="Times New Roman" size=3>Scanning self-describing file:<BR></FONT><A
href="mhtml:{AFB7F805-B3C0-4E25-B941-0C69528BC204}mid://00009160/!x-usc:http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc"><FONT
face="Times New Roman"
size=3>http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc</FONT></A><BR><FONT
face="Times New Roman" size=3>gaopnc error: nc_open failed to open
file<BR></FONT><A
href="mhtml:{AFB7F805-B3C0-4E25-B941-0C69528BC204}mid://00009160/!x-usc:http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc"><FONT
face="Times New Roman"
size=3>http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc</FONT></A><BR><FONT
face="Times New Roman" size=3>read_metadata: gaopnc failed <BR>gadsdf: Couldn't
ingest SDF metadata.</FONT></FONT></DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3></FONT></FONT> </DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman" size=3>Perhaps I need
to work on creating a .ctl file? Any help with that is
appreciated.</FONT></FONT></DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3></FONT></FONT> </DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3>Thanks,</FONT></FONT></DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3></FONT></FONT> </DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3>Mark</FONT></FONT></DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3></FONT> </DIV>
<DIV><BR></DIV></FONT>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=jimp@HAWAII.EDU href="mailto:jimp@HAWAII.EDU">James T. Potemra</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=GRADSUSR@LIST.CINECA.IT
href="mailto:GRADSUSR@LIST.CINECA.IT">GRADSUSR@LIST.CINECA.IT</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, May 05, 2009 5:29 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Using GrADS to retrieve
HYCOM data</DIV>
<DIV><BR></DIV>Hi Mark:<BR><BR>Your variable constraints look more like Matlab
syntax to me. If you<BR>simply use sdfopen http://...... .nc
(truncate<BR>everythins from the ? to the end) it should work. You'll
then have<BR>access to the entire data file and can just<BR>'set x 1500 2300',
'set y 1750 2169', and so on, then 'd mld'<BR><BR>Jim<BR><BR>Mark Hess
wrote:<BR>> Can anyone tell me what I am doing wrong here? At this
point I'm just<BR>> trying to get a file off of the HYCOM server. I
used the server<BR>> <A
href="http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc.html">http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc.html</A>
to<BR>> generate the URL string below, but am obviously missing
something<BR>> quite basic (I'm an inexperienced GrADS user and brand new
to<BR>> OPeNDAP). Will I need to create a custom .ctl file to access
and<BR>> display these data or am I simply using the sdfopen command
incorrectly?<BR>><BR>> I am running GrADS version 2.0.a3. My
command and result are below.<BR>><BR>> ga-> sdfopen<BR>> <A
href="http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc?mld[0:1:0][1750:1:2169][1500:1:2300">http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc?mld[0:1:0][1750:1:2169][1500:1:2300</A>]<BR>><BR>>
Scanning self-describing file:<BR>> <A
href="http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc?mld[0:1:0][1750:1:2169][1500:1:2300">http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc?mld[0:1:0][1750:1:2169][1500:1:2300</A>]<BR>>
gaopnc error: nc_open failed to open file<BR>> <A
href="http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc?mld[0:1:0][1750:1:2169][1500:1:2300">http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/2d/rarchv.2009_125_00_2d.nc?mld[0:1:0][1750:1:2169][1500:1:2300</A>]<BR>>
read_metadata: gaopnc failed<BR>> gadsdf: Couldn't ingest SDF
metadata.<BR>> ga-><BR>> Mark<BR>><BR>>
----- Original Message -----<BR>> *From:* Dan
Martin <<A
href="mailto:Dan_Martin@BUOYWEATHER.COM">mailto:Dan_Martin@BUOYWEATHER.COM</A>><BR>>
*To:* <A href="mailto:GRADSUSR@LIST.CINECA.IT">GRADSUSR@LIST.CINECA.IT</A>
<<A
href="mailto:GRADSUSR@LIST.CINECA.IT">mailto:GRADSUSR@LIST.CINECA.IT</A>><BR>>
*Sent:* Thursday, April 30, 2009 7:40 PM<BR>>
*Subject:* Re: Using GrADS to retrieve HYCOM
data<BR>><BR>> The full HYCOM data is on a
curvilinear grid that I haven't been<BR>> able
to<BR>> make work in grads. They set up a linear
grid for grads users by<BR>>
cutting<BR>> off pre-gridded section above 48
degrees north.<BR>><BR>> <A
href="http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/">http://hycom.coaps.fsu.edu/opendap/nph-dods/datasets/hycom/global/GLBa0.08_rect/data/</A><BR>><BR>>
The update schedule is a bit irregular and the server is not alway
up,<BR>> but nice data when it is
there.<BR>><BR>> If anyone has the curvilinear
grid version working in grads, any tips<BR>> would
be nice.<BR>><BR>>
Dan<BR>><BR>> Mark Hess
wrote:<BR>> > Has anyone out there used GrADS to
retrieve and display data<BR>> from
the<BR>> > HYCOM OPeNDAP near real-time data
server<BR>> > <A
href="http://hycom.coaps.fsu.edu/thredds/dodsC/glb_nrt_analysis.html">http://hycom.coaps.fsu.edu/thredds/dodsC/glb_nrt_analysis.html</A>?<BR>>
><BR>> > I am hoping to use GrADS to retrieve
mixed layer depth data from<BR>>
this<BR>> > server, but not real clear on the
http/OPeNDAP string I would use to<BR>> >
download the file (whether it be ASCII or binary). If you have
done<BR>> > this and could send a sample script
or command showing the http<BR>> > line that
would be much appreciated.<BR>>
><BR>> >
Thanks,<BR>> ><BR>>
> Mark<BR>>
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