[postgis-devel] Kick-off meeting

Jens H. Jahnke jens at cs.uvic.ca
Fri May 10 13:00:49 PDT 2002


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
> 
> 
> 
> --__--__--
> 
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> End of postgis-devel Digest
> 

-- 
Dr. Jens Jahnke
University of Victoria
www.cs.uvic.ca/~jens






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