Re: [thredds] Odd black tile in TDS/WMS/Godiva2

• To: Rich Signell <rsignell@xxxxxxxx>
• Subject: Re: [thredds] Odd black tile in TDS/WMS/Godiva2
• From: Roy Mendelssohn <Roy.Mendelssohn@xxxxxxxx>
• Date: Wed, 6 Apr 2011 08:44:43 -0700

Getting it from your site, but not from the EDAC site.  Perhaps check how they 
have the WMS configured.

-Roy

On Apr 6, 2011, at 8:35 AM, Rich Signell wrote:

> TDS WMS folks,
> [I asked this on the ncWMS list, but though it would be wise to ask
> here as well]
> 
> Have any of you seen this strange "black tile" behaviour in TDS/ncWMS/Godiva2?
> I'm using the WMS on TDS 4.2.5, and clicking the "Godiva2" link on the
> bottom of the page.
> 
> When I look at some Fukushima forecast sea-surface temperature fields
> from 
> <http://geoport.whoi.edu/thredds/godiva2/godiva2.html?server=http://geoport.whoi.edu/thredds/wms/ncom_relo/fukushima#>
> I see a black tile in the bottom right of my window for "water_temp"
> and other variables (except for sea_water_velocity, which is odd,
> since the eastward and northward velocity both have the black tile).
> 
> In case you don't want to fire up your browser, here's what it looks like:
> http://coast-enviro.er.usgs.gov/models/share/2011-04-06_0834.png
> 
> Yet if I ask the WMS for a water_temp image over the same region for
> the same time, it looks fine:
> http://coast-enviro.er.usgs.gov/models/share/2011-04-06_0849.png
> 
> If I click right click on the black tile in Godiva2 and copy "image
> location" I get
> <http://geoport.whoi.edu/thredds/wms/ncom_relo/fukushima?LAYERS=water_temp&ELEVATION=0&TIME=2011-04-06T00%3A00%3A00.000Z&TRANSPARENT=true&STYLES=boxfill%2Frainbow&CRS=EPSG%3A4326&COLORSCALERANGE=2%2C21&NUMCOLORBANDS=64&LOGSCALE=false&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&EXCEPTIONS=XML&FORMAT=image%2Fpng&BBOX=142.23782226564,32.757265625006,146.07398681642,36.593430175788&WIDTH=256&HEIGHT=256>
> which indeed returns black.
> 
> If I copy the "image location" on a tile that works, I get
> <http://geoport.whoi.edu/thredds/wms/ncom_relo/fukushima?LAYERS=water_temp&ELEVATION=0&TIME=2011-04-06T00%3A00%3A00.000Z&TRANSPARENT=true&STYLES=boxfill%2Frainbow&CRS=EPSG%3A4326&COLORSCALERANGE=2%2C21&NUMCOLORBANDS=64&LOGSCALE=false&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&EXCEPTIONS=XML&FORMAT=image%2Fpng&BBOX=142.23782226564,36.593430175788,146.07398681642,40.429594726569&WIDTH=256&HEIGHT=256>
> which works fine.
> 
> I really can't see any difference between these except for the bounds.
> 
> I'm mystified.
> 
> Help?
> 
> Thanks
> -Rich
> 
> 
> 
> -- 
> Dr. Richard P. Signell   (508) 457-2229
> USGS, 384 Woods Hole Rd.
> Woods Hole, MA 02543-1598
> 
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**********************
"The contents of this message do not reflect any position of the U.S. 
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097

e-mail: Roy.Mendelssohn@xxxxxxxx (Note new e-mail address)
voice: (831)-648-9029
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"Old age and treachery will overcome youth and skill."
"From those who have been given much, much will be expected" 

• References:
  • [thredds] Odd black tile in TDS/WMS/Godiva2
    • From: Rich Signell