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The Albers (epsg:42303) seems to be working after an upgrade to the latest TDS. I previously had 4.3.15, which was giving errors on 42303. Thanks On Jul 15, 2013, at 9:32 AM, Marcos Hermida <mhermida@xxxxxxxxxxxxxxxx> wrote: > Hi Jon, > > when you build TDS the ncwms.jar gets pulled from our maven repository so you > are not actually building the ncWMS. With the ncWMS process for adding new > codes, if an user wanted to add a new code to the epsg list they first have > to build their own version of the ncWMS and then package the thredds with > that version. So, to keep the building (and the way you add new epsg codes) > process simpler we kept the epsg-wkt.jar which contains many srs codes > already in use by clients. > I guess we could build our tds-ncwms.jar adding all the codes (or at least > the most used) that are in the epsg-wkt.jar with the ncWMS mechanism and add > the geotk-epsg and hsqldb dependencies to TDS, that way TDS would use the > Geotoolkit EPSG database too and would be closer to ncWMS. > > Cheers! > > > On 07/15/2013 08:19 AM, Jon Blower wrote: >> Hi Marcos, >> >> Ah OK, I didn’t realise that TDS still uses epsg-wkt.jar. Out of interest, >> why do you do this instead of using the EPSG database that ships with >> Geotoolkit (and hence with standalone ncWMS)? >> >> (Just to double-check – which version of ncWMS are you now synchronized >> with?) >> >> Cheers, >> Jon >> >> From: Marcos Hermida [mailto:mhermida@xxxxxxxxxxxxxxxx] >> Sent: 15 July 2013 15:16 >> To: Jon Blower >> Cc: thredds@xxxxxxxxxxxxxxxx; guy.griffiths@xxxxxxxxxxxxx >> Subject: Re: [thredds] Albers or LCC supported as a WMS projection on the >> TDS? >> >> Hi Jay & Jon, >> >> TDS still relies on the epsg.properties file in the epsg-wkt.jar and it does >> not support the ncWMS process for creating your own epsg.properties. >> I was unable to reproduce the issue, actually, epsg:42303 is already in the >> epsg.properties shipped with TDS and it works on motherlode: >> - request with epsg:4326: >> http://thredds.ucar.edu/thredds/wms/grib/NCEP/DGEX/CONUS_12km/best?LAYERS=Temperature_isobaric&ELEVATION=50000&TIME=2013-07-15T00%3A00%3A00.000Z&TRANSPARENT=true&STYLES=boxfill%2Frainbow&CRS=EPSG%3A4326&COLORSCALERANGE=258.9%2C271.1&NUMCOLORBANDS=20&LOGSCALE=false&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&SRS=EPSG%3A43 >> 26&BB >> OX=-140.14654339665,2.0904137233527,-56.175327906289,67.692925825197&WIDTH=256&HEIGHT=256 >> >> - request with epsg:42303: >> http://thredds.ucar.edu/thredds/wms/grib/NCEP/DGEX/CONUS_12km/best?LAYERS=Temperature_isobaric&ELEVATION=50000&TIME=2013-07-15T00%3A00%3A00.000Z&TRANSPARENT=true&STYLES=boxfill%2Frainbow&CRS=EPSG%3A42303&COLORSCALERANGE=258.9%2C271.1&NUMCOLORBANDS=20&LOGSCALE=false&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fpng&BBOX=-5415285.996340551 >> ,-877566. >> 198157914,2094855.9996948307,5226112.045634475&WIDTH=256&HEIGHT=256 >> >> So, there is no need to add epsg:42303 to the epsg.properties and I'm not >> really sure what the problem might be. Jay, make sure you are running a >> clean new installation of TDS 4.3 and you have the epsg-wkt.jar in your >> $TOMCAT-HOME/webapps/thredds/WEB-INF/lib directory. >> >> Cheers! >> >> On 07/14/2013 12:27 PM, Jon Blower wrote: >> Hi Jay, >> >> In "standalone" ncWMS you can now create your own epsg.properties file to >> add your own projections to those in the Geotoolkit database. I can't >> remember if this capability has also been migrated to THREDDS - Ethan may be >> able to advise. Basically, if there is a file called >> org/geotoolkit/referencing/factory/epsg/epsg.properties on your classpath, >> ncWMS will pick this up and look for CRS definitions (in WKT) therein. >> >> You could try creating such a file if it doesn't exist and adding your >> projection. Reboot the server, then test with a GetMap operation (it won't >> show up in GetCapabilities). >> >> Cheers, >> Jon >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Fri, 12 Jul 2013 17:16:41 -0700 >> From: Jay Alder <jay.alder@xxxxxxxxxxxxxxxxxxx> >> To: Ethan Davis <edavis@xxxxxxxxxxxxxxxx> >> Cc: thredds@xxxxxxxxxxxxxxxx >> Subject: Re: [thredds] Albers or LCC supported as a WMS projection on >> the TDS? >> Message-ID: <51E09C69.4030005@xxxxxxxxxxxxxxxxxxx> >> Content-Type: text/plain; charset=ISO-8859-1; format=flowed >> >> Hi Ethan. >> >> I'm having a little trouble following along in this old thread. I'm trying >> to see if it is possible to use a North America variant of Albers in TDS >> 4.3. It doesn't seem like I can use the many projections listed in >> epsg.properties like I could in TDS 4.2, unless I'm not building the url >> correctly. I would like to use 42303, which is listed in epsg.properties, >> but it doesn't seem to be working for me. If I set the >> version=1.1.1 the browser says file not found (rather than a TDS xml error). >> If I set the version to 1.3.0 I get an xml error saying 'The CRS >> EPSG:42303 is not supported by this server'. >> >> Is there a way to get this projection working in TDS? Here is the entry in >> epsg.properties. >> >> 42303=PROJCS["NAD83 / Albers >> NorthAm",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS_1980",6378137,298.257222101],TOWGS84[0,0,0]],PRIMEM["Greenwich",0],UNIT["Decimal_Degree",0.0174532925199433]],PROJECTION["Albers_conic_equal_area"],PARAMETER["central_meridian",-96.0],PARAMETER["latitude_of_origin",23],PARAMETER["standard_parallel_1",29.5],PARAMETER["standard_parallel_2",45.5],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["Meter",1],AUTHORITY["EPSG","42303"]] >> >> Thanks >> >> On 10/17/2012 03:13 PM, Ethan Davis wrote: >> Ack! Sorry about that. I'm always stumbling over the various types of >> EPSG codes. >> >> Yes, the Albers and LLC EPSG codes you gave are for particular types >> of projections, in EPSG aka "coordinate operations methods". From >> which can be built particular "coordinate operations" (which I assume >> have specific parameter values though I'm having trouble finding them >> in the database). And from there, the coordinate reference systems. >> >> My understanding is that the epsg.properties file (in epsg-wkt.jar) is >> used in TDS 4.2 but not in TDS 4.3 (GeoToolkit 3.04 vs 3.17). The one >> in TDS 4.3 should be newer and a more complete list of EPSG CRSs. So, >> once you decide which EPSG CRS codes you want to use, I suspect >> requests for them will work without changes in TDS 4.3 but may need >> the additions Marcos mentions below. On the other hand, it appears >> that the epsg.properties file in TDS 4.2 already contains a WKT for >> CRS 2205 and I suspect it contains other Albers and LLC based CRSs as well. >> >> If that all works, another fun part is figuring out for each CRS the >> valid values of the bounding box corners. >> >> Ethan >> >> >> On 10/17/2012 3:24 PM, Marcos Hermida wrote: >> Hi Rich, >> >> to define either a Lambert Conformal Projection or Albers Equals Area >> you need to provide a set of parameters (standards parallels, central >> meridians, northing, easting...) so there are whole family of LCC and >> Albers projections that you can use. Here you can see some well >> defined ones, with their EPSG codes: >> Albers: >> http://spatialreference.org/ref/epsg/?search=Albers+Equal+Area&srtext >> =Search >> >> LCC: >> http://spatialreference.org/ref/epsg/?search=Lambert+Conic+Conformal+ >> 2SP&srtext=Search >> >> >> If you want to use some of them all you have to do is add the OGC WKT >> to the epsg database that is used by ncWMS/THREDDS. That database is >> the epsg.properties file that lives in the epsg-wkt.jar and those are >> the actual projections supported by the ncWMS/THREDDS. >> So, for instance, if you want to add the Lambert Conic Conformal 2SP: >> NAD83 / Massachusetts Island >> (http://spatialreference.org/ref/epsg/2250/) you need to add to the >> epsg.properties this OGC WKT: >> http://spatialreference.org/ref/epsg/2250/ogcwkt/ with its EPSG code. >> It would look like something like this: >> >> 2250=PROJCS["NAD83 / Massachusetts Island >> (ftUS)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GR >> S >> 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG >> ","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degre >> e",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","42 >> 69"]],UNIT["US >> survey >> foot",0.3048006096012192,AUTHORITY["EPSG","9003"]],PROJECTION["Lamber >> t_Conformal_Conic_2SP"],PARAMETER["standard_parallel_1",41.4833333333 >> 3333],PARAMETER["standard_parallel_2",41.28333333333333],PARAMETER["l >> atitude_of_origin",41],PARAMETER["central_meridian",-70.5],PARAMETER[ >> "false_easting",1640416.667],PARAMETER["false_northing",0],AUTHORITY[ >> "EPSG","2250"],AXIS["X",EAST],AXIS["Y",NORTH]] >> >> >> >> Cheers! >> >> >> On 10/17/2012 11:53 AM, Rich Signell wrote: >> Ethan, >> >> That's great that Albers, LCC and others should work with TDS 4.3 WMS. >> >> That means it should work on: >> http://motherlode.ucar.edu:9080/thredds >> which is at TDS 4.3.15. >> >> So on that server, I can get this WMS request to work using EPSG:4326: >> >> http://motherlode.ucar.edu:9080/thredds/wms/grib/NCEP/NAM/CONUS_12km >> /files/NAM_CONUS_12km_20121017_1200.grib2?LAYERS=Temperature_height_ >> above_ground&ELEVATION=2&TIME=2012-10-17T12%3A00%3A00.000Z&TRANSPARE >> NT=true&STYLES=boxfill%2Frainbow&CRS=EPSG%3A4326&COLORSCALERANGE=263 >> .7%2C302.6&NUMCOLORBANDS=20&LOGSCALE=false&SERVICE=WMS&VERSION=1.1.1 >> &REQUEST=GetMap&FORMAT=image%2Fpng&SRS=EPSG%3A4326&BBOX=-128.1615439 >> 5928,13.676912081443,-76.323087918557,65.515368122164&WIDTH=256&HEIG >> HT=256 >> >> >> But I can't get anything else to work. >> >> Can you provide a modified version of the above request that works >> for Albers (EPSG:9822) or LCC (EPSG:9802) >> >> -Rich >> >> On Wed, Oct 17, 2012 at 11:55 AM, Ethan Davis >> <edavis@xxxxxxxxxxxxxxxx> wrote: >> Hi Rich, >> >> Even if a CRS is not listed, both ncWMS and TDS WMS can handle >> requests for any CRS supported by the underlying GeoToolkit >> library. The CRS database in TDS 4.2 does not contain EPSG CRS 9822 >> or 9802. However, they should both be available in TDS 4.3. So, if >> you are trying this on a TDS 4.3, you can just give it a try. >> >> As for the WMS GetCapabilities CRS list, it is currently not user >> configurable. For TDS 4.3 it would simply be a matter of a minor >> code change (adding the two EPSG numbers to a list) and then >> rebuilding. It is a bit more work in TDS 4.2, but not much harder, >> along with adding the EPSG number to a list, we would need a WKT >> for each of the new projections. (The CRS WKT needs to be in a form >> the GeoToolkit can >> read.) >> >> We've kept the list to a minimum because in earlier versions we >> listed all available projections and the list got quite large. >> >> Are you using TDS 4.3? Do you need these CRS to be in the list or >> is being able to request them enough? >> >> Cheers, >> >> Ethan >> >> On 10/17/2012 8:17 AM, Rich Signell wrote: >> TDS folks, >> >> What would it take to get Albers or LCC supported as a projection >> on the TDS WMS? >> >> According to the WMS getCapabilities (for example: >> http://motherlode.ucar.edu/thredds/wms/fmrc/NCEP/GFS/CONUS_191km/N >> CEP-GFS-CONUS_191km_best.ncd?service=WMS&version=1.3.0&request=Get >> Capabilities >> >> >> the supported projections are: >> <Title>Motherlode TDS</Title> >> <CRS>EPSG:4326</CRS> >> <CRS>CRS:84</CRS> >> <CRS>EPSG:41001</CRS> >> <CRS>EPSG:3857</CRS> >> <CRS>EPSG:27700</CRS> >> <CRS>EPSG:3408</CRS> >> <CRS>EPSG:3409</CRS> >> <CRS>EPSG:32661</CRS> >> <CRS>EPSG:32761</CRS> >> >> Okay, so we don't see Albers Equal Area (EPSG:9822) or Lambert >> Conformal Conic 2SP (EPSG:9802) on the list. >> >> But TDS WMS is based on ncWMS, and on the ncWMS FAQ at: >> >> http://www.resc.rdg.ac.uk/trac/ncWMS/wiki/FrequentlyAskedQuestions >> >> it says that ncWMS "can produce images in any projection that is >> supported by the GeoTools library". >> >> And it appears that GeoTools can support both Albers and LCC: >> >> http://docs.geotools.org/latest/javadocs/org/geotools/referencing/ >> operation/projection/package-summary.html >> >> >> So would it be straightforward (or perhaps even easy) to allow the >> TDS WMS to support these? >> >> Thanks, >> Rich >> >> -- >> Ethan Davis UCAR Unidata Program >> edavis@xxxxxxxxxxxxxxxx http://www.unidata.ucar.edu >> >> _______________________________________________ >> thredds mailing list >> thredds@xxxxxxxxxxxxxxxx >> For list information or to unsubscribe, visit: >> http://www.unidata.ucar.edu/mailing_lists/ >> >> >> >> -- >> Jay Alder >> US Geological Survey >> Oregon State University >> 104 COAS Admin Building >> Office Burt Hall 166 >> http://ceoas.oregonstate.edu/profile/alder/ >> >> >> >> End of thredds Digest, Vol 54, Issue 4 >> ************************************** >> >> _______________________________________________ >> thredds mailing list >> thredds@xxxxxxxxxxxxxxxx >> For list information or to unsubscribe, visit: >> http://www.unidata.ucar.edu/mailing_lists/ >> > > _______________________________________________ > thredds mailing list > thredds@xxxxxxxxxxxxxxxx > For list information or to unsubscribe, visit: > http://www.unidata.ucar.edu/mailing_lists/ Jay Alder US Geological Survey Oregon State University 104 COAS Admin Building Office Burt Hall 166 http://ceoas.oregonstate.edu/profile/alder/
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