[postgis-devel] Kick-off meeting

Paul Ramsey pramsey at refractions.net
Mon May 13 13:36:09 PDT 2002


I am easy either way. Martin/Dave what do you say? Half of the group
will be travelling no matter where we do it.

P.

"Jens H. Jahnke" wrote:
> 
> Dear team,
> 
> My afternoon on the 15th is booked already.
> Could we choose the morning (10-12). Or Tuesday afternoon. I am free on
> Tuesday afternoon except 330-430.
> 
> Jens
> 
> On 5/7/02 12:00 PM, "postgis-devel-request at postgis.refractions.net"
> <postgis-devel-request at postgis.refractions.net> wrote:
> 
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> > Today's Topics:
> >
> >  1. Brazilian Involvement (Paul Ramsey)
> >  2. Kickoff Meeting (Paul Ramsey)
> >  3. Development Environement (Paul Ramsey)
> >
> > --__--__--
> >
> > Message: 1
> > Date: Tue, 07 May 2002 10:20:18 -0700
> > From: Paul Ramsey <pramsey at refractions.net>
> > Organization: http://www.refractions.net
> > To: postgis-devel at postgis.refractions.net
> > Subject: [postgis-devel] Brazilian Involvement
> > Reply-To: postgis-devel at postgis.refractions.net
> >
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> > Date: Tue, 07 May 2002 14:17:06 -0300
> > To: Paul Ramsey <pramsey at refractions.net>
> > From: "Joao Argemiro de C. Paiva" <miro at dpi.inpe.br>
> > Subject: Re: PostGIS
> > Cc: miguel at dpi.inpe.br, gribeiro at dpi.inpe.br, gilberto at dpi.inpe.br
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> >
> > Hi Paul,
> > great news. I have signed the mailing list.
> > We certainly want to collaborate, and a student (Gilberto Ribeiro) will be=
> > =20
> > involved on the
> > development of the spatial operators as part of his Master thesis.
> > If you need anything more from us, please let me know.
> >
> > Joao
> >
> > At 09:53 AM 5/7/2002 -0700, you wrote:
> >> Joao,
> >> The Topology Operators for PostGIS project has received funding and is
> >> getting up and running. Please join the postgis-devel mailing list
> >> (http://postgis.refractions.net/mailman/listinfo/postgis-devel) if you
> >> would like to be involved. We will be trying to get a library framework
> >> in place quickly and move on from there.
> >> Paul
> >>
> >> On Wednesday, February 27, 2002, at 10:36 AM, Paul Ramsey wrote:
> >>
> >>> Joao,
> >>>       Refractions is working with the Software Engineering Group (SEG)
> >>> at the
> >>> University of Victoria on a joint project to add the OpenGIS Simple
> >>> Features for SQL operators to PostGIS. A grant application is currently
> >>> outstanding. With any luck, we will have one graduate student assigned
> >>> to the project starting in the summer.
> >>>       I think it would be excellent if the INPE and UVic projects could=
> > =20
> >> work
> >>> together on getting the SFSQL operators in place. From a R&D and pure
> >>> research point of view, the sooner the basic operations are in place,
> >>> the sooner more advanced topics can be attacked.
> >>>       Jens Jahnke is our contact with the UVic SEG, perhaps he could=
> > send
> >>> your our grant proposal, so you can see what we are planning. A joint
> >>> development plan could really speed the whole thing along, but it is
> >>> important that everyone works together. No point in having two
> >>> approaches to the same problem.
> >>>       What kind of timelines were you looking at for your project? What=
> > =20
> >> kind
> >>> of deliverables?
> >>>
> >>> Thanks for getting in touch,
> >>> Paul
> >>>
> >>>
> >>> -------------------------------------------------------------------
> >>>
> >>> Dear Dave,
> >>>
> >>> First I would like to introduce our group. We work at the National
> >>> Institute for Space Research - INPE - Brazil (www.inpe.br) on the Image
> >>> Processing Division. INPE is a Government Agency. This group has a large
> >>> experience in developing free software for GIS (more than 15 years).
> >>>
> >>> Our main system is called SPRING (www.dpi.inpe.br/spring), which is an
> >>> integrated package to deal with different types of geographic data.
> >>> Currently there is a multi platform version of SPRING, that runs in
> >>> Windows, Linux and Solaris machines, and we have about 18,000 users in
> >>> our database. SPRING is based on "dual architecture", part relational
> >>> database (attributes), part proprietary files (spatial data), and it is
> >>> not an open-source code. I'm the current software manager of this
> >>> system.
> >>>
> >>> I got my PhD. in 1998 at University of Maine working with Dr. Max
> >>> Egenhofer.
> >>>
> >>> There is an ongoing project called TerraLib, that is going to be an
> >>> open-source library to develop GIS applications. This library will be
> >>> based on object-relational databases.
> >>>
> >>> The main aspects are:
> >>>
> >>> 1. TerraLib is an open-source library for developing GIS applications,
> >>>    where all spatial data (raster + vector) is stored in a DBMS.
> >>>    We intend to fully support the interface of TerraLib to databases
> >>>    such as Oracle9i,
> >>>    IBM DB2, Postgres (Postgis), and others.
> >>>
> >>> 2. The library will contain functions for spatial data query, similar to
> >>>    OpenGIS "simple feature", plus a number of vector and raster
> >>>    data analysis algorithms.
> >>>
> >>> Our developing group includes employees and graduate students.
> >>>
> >>> The idea of work for one of my Master student, was to develop the
> >>> spatial operators for Postgres database,  similarly to what Oracle has.
> >>> This student has a very good background with databases, and has been
> >>> very familiar with your development. He has been doing some
> >>> implementation with Postgres. In order to avoid duplication of efforts,
> >>> I would like to ask if you are in process of developing these spatial
> >>> operators for PostGis, and in case affirmative, is there any idea of
> >>> when this is going to be available.
> >>>
> >>> If these spatial operators are not planned to be available, we may
> >>> consider to continue the developments based on PostGis types, which
> >>> could be integrated later in your environment if you have interest.
> >>>
> >>> Thanks for your attention.
> >>> Best regards.
> >>>
> >>> /*********************************************************/
> >>> Jo=E3o Argemiro de Carvalho Paiva
> >>> Instituto Nacional de Pesquisas Espaciais - INPE
> >>> Divis=E3o de Processamento de Imagens - DPI
> >>> Av. dos Astronautas 1758 - Jardim da Granja
> >>> S=E3o Jos=E9 dos Campos - SP
> >>> Caixa Postal 515
> >>> CEP:12201-970
> >>> Tel: (55) (12) 3945-6474
> >>> Fax: (55) (12) 3945-6468
> >>> e-mail: miro at dpi.inpe.br
> >>> /*********************************************************/
> >
> >
> >
> >
> > --------------326A37E4DFC5D6E2D86C3346--
> >
> >
> >
> > --__--__--
> >
> > Message: 2
> > Date: Tue, 07 May 2002 10:22:32 -0700
> > From: Paul Ramsey <pramsey at refractions.net>
> > Organization: http://www.refractions.net
> > To: postgis-devel at postgis.refractions.net
> > Subject: [postgis-devel] Kickoff Meeting
> > Reply-To: postgis-devel at postgis.refractions.net
> >
> > I would like to welcome you all to the postgis-devel list, and solicit
> > input on the date for the kickoff meeting. How does the afternoon (1pm
> > onwards) of Wednesday, May 15 sound?
> >
> > On the agenda:
> >
> > - Introduce the project
> > - History of PostGIS
> > - History of JTS
> > - The technical need
> > - Project goals
> > - Determine project milestones and anticipated delivery dates for
> > milestones
> > - Determine schedule of meetings between developers and RR/VSI team
> > - Discuss project management regime for project
> >
> > - Discuss technical framework
> > - Relationship between topological library and PostGIS
> > - Library API
> >   - Functional components, what does what?
> >   - Inputs / outputs
> > - Develop detailed framework tasks to be completed for next
> >   meeting
> >
> >
> > --__--__--
> >
> > Message: 3
> > Date: Tue, 07 May 2002 10:30:03 -0700
> > From: Paul Ramsey <pramsey at refractions.net>
> > Organization: http://www.refractions.net
> > To: postgis-devel at postgis.refractions.net
> > Subject: [postgis-devel] Development Environement
> > Reply-To: postgis-devel at postgis.refractions.net
> >
> > For the information of the Uvic team,
> >
> > - The target development/build environment is the "GNU Environment".
> > - Ideally, every environment with a complete set of GNU tools should be
> > a potential target.
> > - Realistically, we will work with and test libraries under the
> > platforms easily available to us.
> > - Win32 / Cynwin
> > - Linux
> > - Solaris
> >
> > - The compiler will be gcc/g++
> > - Build control will be via GNU make (aka gmake)
> > - Source control will be via CVS
> > - Autoconf may be required for platform dependency resolution
> >
> >
> >
> > --__--__--
> >
> > _______________________________________________
> > postgis-devel mailing list
> > postgis-devel at postgis.refractions.net
> > http://postgis.refractions.net/mailman/listinfo/postgis-devel
> >
> >
> > End of postgis-devel Digest
> >
> 
> --
> Dr. Jens Jahnke
> University of Victoria
> www.cs.uvic.ca/~jens
> 
> _______________________________________________
> postgis-devel mailing list
> postgis-devel at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-devel

-- 
      __
     /
     | Paul Ramsey
     | Refractions Research
     | Email: pramsey at refractions.net
     | Phone: (250) 885-0632
     \_




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