From: Rob A. <ro...@so...> - 2005-11-30 00:14:38
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Hi All, couple of pointers and questions... am currently trying to organise some effort to get a major new geotools enhancement (Complex features) into the Geoserver head, and the WCS support is an obvious target to try to roll in. Would be grateful if you can identify any issues, futher development work required to roll that in, and also if any committed effort for this can be rolled into my project plan as in-kind support. This sort of in-kind support will help make the case for the bits of cash we are chasing to support UI upgrades for the new stuff etc. Is there a UI config for the new WCS stuff? If not, what needs to be done? Norman - what is the current status of NetCDF support you were looking at? In general - we have two requirements in the medium term: 1) auto-configure WCS for a catalogue of NetCDF files, to support subsetting actions easily having found a netCDF file in a catalogue 2) be able to subset (in a single WCS call) from collections of netCDF files across both spatial and temporal dimensions. obviously, these capabilities would be better if they are not specific to netCDF formats. What is the intention, progress etc here? Also, there are many netCDF conventions - what is the expected level of support and configurability? Regards Rob Atkinson Social Change Online (on behalf several clients!) Efren Serra wrote: > Hello Alex, > > I would be willing to help you provide/implement netCDF support on GeoServer > since I deal with Gridded data. > I was wondering if you could elaborate on the time series data; wouldn't > this be adressed by one of the following GML schemas: > > 14 GML schemas - temporal information and dynamic features > 18 GML schemas - observations > > v/r, > Efren > > -----Original Message----- > From: geo...@li... > [mailto:geo...@li...]On Behalf Of > Alexander Petkov > Sent: Tuesday, November 22, 2005 7:58 AM > To: Norman Barker; geo...@li...; > geo...@li... > Subject: [Geoserver-devel] Re: [Geoserver-users] netcdf - wcs resource > > > Hello Norman: > > Thanks for for reply. I will continue with in line comments. > >> I am in discussions with Simone Giannechini who is leading GeoServer WCS, >> > to > >> try and get the direction of incorporating GML in Jpeg2000 as a coverage >> format, particularly as netCDF in JP2 is a recommended profile in the >> > spec. > >> Does this interest you? >> > > Yes, esp. if there's any work outlined, or some code being developed. > I am not sure which spec you are referring to, but it looks like it is > the WCS spec document, correct? > > >> If you need to get a collection on-line why you do some GeoServer >> development, my MapServer netCDF howto is available here >> http://ms.gis.umn.edu/docs/howto/WCSServerFormatHowTo. I am keen to use >> GeoServer, for its WFS, and planned GML support. Both very good servers >> > as > >> they are though. >> > > Similar to your approach from some time ago, I have a routine to > convert the netCDF data to a series of Geotiff files, and describe > those as coverages in Geoserver's catalog. I use the WCS branch, > obviously. For contouring the data, I create a series of geometries in > Postgis and query those as FeatureTypes. It works for now, but it is a > temporary solution. > > Currently I am mainly looking to orient myself on how to proceed with > respect to implementing netCDF support. I believe I need to look at > developing a plugin similar to the one for ArcGrid coverage (it has > been mentioned in the list before). I already have a way to read the > gridded data using the netcdf java API. > > There's still something ambiguous about how to handle time series > data. I remember seeing the issue addressed in the WCS spec document, > but I am not sure if it is a part of geoserver (or geotools ) yet. > This was also a topic of discussion during IRC meets, it looks I have > to revisit the archives. > > Anyway, if someone has ideas on how I should proceed from here, please > do share. > > And Norman, thanks for sharing your Mapserver NetCDF howto. I will > make sure to go through it this week. > > Alex > > >>> From: Alex Petkov <ap...@fs...> >>> To: "Norman Barker" <nor...@ho...> >>> Subject: Re: [Geoserver-users] netcdf - wcs resource >>> Date: Fri, 18 Nov 2005 10:29:19 -0700 >>> >>> Hello Norman: >>> >>> I have been tasked to do the same thing, and I wonder what work is >>> > already > >>> being done. >>> >>> Can you tell me if you worked on netcdf coverage support and how far into >>> it are you? >>> >>> Thanks, >>> >>> Alex >>> >>> >>> >>> geo...@li... wrote on 04/29/2005 08:11:39 >>> AM: >>> >>> >>>> Hi, >>>> >>>> my boss at RSI has resourced me to put some time into adding netCDF >>>> >>> coverage >>> >>>> support into Geoserver, the reason that it took so long since my >>>> > initial > >>>> enquiry is that we had to develop a baseline solution using MapServer. >>>> >>>> Please advise on what needs to be done, and how to do it, and I will >>>> > get > >>> on. >>> >>>> Many thanks, >>>> >>>> Norman Barker >>>> >>> >> >> > > > ------------------------------------------------------- > This SF.Net email is sponsored by the JBoss Inc. 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