Efren Serra wrote:
Folks,
As far as the GML 3.1 specification and GML schemas - coverages in
particular, what is implemented in either geotools or geoserver?
Is the gml:FileType implemented? Thank you.
We have some code for GML3 over in udig land, ask Justin for details.
Some support for coverages
is being explored for JTS on that email list. I assume coverages would
not be considered until we have a
data structure to hold them in ...
Jody
v/r,
Efren
-----Original Message-----
From: Rob Atkinson [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 29, 2005 4:14 PM
To: [EMAIL PROTECTED]
Cc: Alexander Petkov; Norman Barker;
[EMAIL PROTECTED]; Woolf, A (Andrew); Dietmar
Muller; Keiran Millard; geotools-devel; Amit Parashar
Subject: Re: [Geoserver-devel] Re: [Geoserver-users] netcdf - wcs
resource
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: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of
Alexander Petkov
Sent: Tuesday, November 22, 2005 7:58 AM
To: Norman Barker; [EMAIL PROTECTED];
[EMAIL PROTECTED]
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 <[EMAIL PROTECTED]>
To: "Norman Barker" <[EMAIL PROTECTED]>
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
[EMAIL PROTECTED] 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
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