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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
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May still be an issue with the NcWMS trunk: http://staging.asascience.com/sandbox/kwilcox/ncwms-blackbox.png Dataset: http://tds.maracoos.org/thredds/SST.html?dataset=SST-Agg --------- Kyle Wilcox, Engineer Applied Science Associates 55 Village Square Drive South Kingstown, RI 02879 p: (401) 789-6224 e: kwilcox@xxxxxxxxxxxxxx > -----Original Message----- > From: Ethan Davis [mailto:edavis@xxxxxxxxxxxxxxxx] > Sent: Wednesday, April 06, 2011 12:56 PM > To: thredds@xxxxxxxxxxxxxxxx; ncWMS email list > Subject: Re: [Ncwms-users] [thredds] Odd black tile in TDS/WMS/Godiva2 > > Hi Rich, > > Oddly, if you zoom around or play with the BBOX, you can get the black > box to go away. Here are two BBOX: > > BBOX=141.5,35.71111232908,145.11494567866,37.1 > BBOX=142.0,35.71111232908,145.11494567866,37.1 > > The first produces an image without a black box. The second produces an > image that is partially black. The only difference is in the first > value > (minx). > > I just set my test server up to serve this dataset (using the remote > OPeNDAP access) and I'm seeing the same problem. No useful log messages > in threddsServlet.log, catalina.out, or localhost.*.log. > > I'll look at this in the debugger later today or tomorrow to see if I > can figure out what is going on. Jon Blower might have some insight > into > what is happening here. I'm also wondering if the current ncWMS code > (which will be part of TDS 4.3) has solved this problem. > > Ethan > > On 4/6/2011 9:35 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://geo > port.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_t > emp&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_t > emp&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 > > > > > > > > ----------------------------------------------------------------------- > ------- > Xperia(TM) PLAY > It's a major breakthrough. An authentic gaming > smartphone on the nation's most reliable network. > And it wants your games. > http://p.sf.net/sfu/verizon-sfdev > _______________________________________________ > Ncwms-users mailing list > Ncwms-users@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/ncwms-users
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