[thredds] Albers or LCC supported as a WMS projection on the TDS?

• To: THREDDS community <thredds@xxxxxxxxxxxxxxxx>
• Subject: [thredds] Albers or LCC supported as a WMS projection on the TDS?
• From: Rich Signell <rsignell@xxxxxxxx>
• Date: Wed, 17 Oct 2012 10:17:50 -0400

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/NCEP-GFS-CONUS_191km_best.ncd?service=WMS&version=1.3.0&request=GetCapabilities

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

-- 
Dr. Richard P. Signell   (508) 457-2229
USGS, 384 Woods Hole Rd.
Woods Hole, MA 02543-1598

• Follow-Ups:
  • Re: [thredds] Albers or LCC supported as a WMS projection on the TDS?
    • From: Ethan Davis