[postgis-devel] Re: postgis-devel digest, Vol 1 #4 - 3 msgs

Paul Ramsey pramsey at refractions.net
Tue May 14 12:20:42 PDT 2002 

OK, we are going ahead on Friday morning @ vivid. 9am.

Agenda as discussed:

- 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





"Jens H. Jahnke" wrote:
> 
> Dear all,
> 
> I will be on a plane to Orlando on Friday (my birthday :-( )
> I will be back Sunday.
> 
> Two options (which basically depend on the agenda of the kick-off meeting):
> 
> Either
> (1) do it on Friday without me - Yury should be free..?
> or
> (2) find a time next week.
> 
> What is the agenda for the kick-off?
> 
> Paul, could you please change my subscription from "digest" to "direct". It
> appears that the daily digest slows down discussion too much.
> 
> Thanks,
> 
>    Jens
> 
> On 5/14/02 12:01 PM, "postgis-devel-request at postgis.refractions.net"
> <postgis-devel-request at postgis.refractions.net> wrote:
> 
> > Send postgis-devel mailing list submissions to
> > postgis-devel at postgis.refractions.net
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> > http://postgis.refractions.net/mailman/listinfo/postgis-devel
> > or, via email, send a message with subject or body 'help' to
> > postgis-devel-request at postgis.refractions.net
> >
> > You can reach the person managing the list at
> > postgis-devel-admin at postgis.refractions.net
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of postgis-devel digest..."
> >
> >
> > Today's Topics:
> >
> >  1. Re: Kick-off meeting (Paul Ramsey)
> >  2. Re: Kick-off meeting (Paul Ramsey)
> >  3. Re: Kick-off meeting (Paul Ramsey)
> >
> > --__--__--
> >
> > Message: 1
> > Date: Mon, 13 May 2002 13:36:09 -0700
> > From: Paul Ramsey <pramsey at refractions.net>
> > Organization: http://www.refractions.net
> > To: postgis-devel at postgis.refractions.net
> > Subject: Re: [postgis-devel] Kick-off meeting
> > Reply-To: postgis-devel at postgis.refractions.net
> >
> > 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:
> >>
> >>> Send postgis-devel mailing list submissions to
> >>> postgis-devel at postgis.refractions.net
> >>>
> >>> To subscribe or unsubscribe via the World Wide Web, visit
> >>> http://postgis.refractions.net/mailman/listinfo/postgis-devel
> >>> or, via email, send a message with subject or body 'help' to
> >>> postgis-devel-request at postgis.refractions.net
> >>>
> >>> You can reach the person managing the list at
> >>> postgis-devel-admin at postgis.refractions.net
> >>>
> >>> When replying, please edit your Subject line so it is more specific
> >>> than "Re: Contents of postgis-devel digest..."
> >>>
> >>>
> >>> 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
> >>>
> >>> This is a multi-part message in MIME format.
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> >>>
> >>> X-Sieve: cmu-sieve 2.0
> >>> Return-Path: <miro at dpi.inpe.br>
> >>> Received: from spider.refractions.net (spider [192.168.50.1])
> >>> by lion.animals (Postfix) with ESMTP id B325E102873
> >>> for <pramsey at lion.animals>; Tue,  7 May 2002 10:17:19 -0700 (PDT)
> >>> Received: from dpi.inpe.br (sputnik.dpi.inpe.br [150.163.2.4])
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> >>> for <pramsey at refractions.net>; Tue,  7 May 2002 10:17:19 -0700 (PDT)
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> >>> by dpi.inpe.br (8.11.4/8.11.4) with ESMTP id g47HHAI24502;
> >>> Tue, 7 May 2002 14:17:10 -0300 (EST)
> >>> Message-Id: <5.1.0.14.0.20020507140448.00b1e4f8 at sputnik.dpi.inpe.br>
> >>> X-Sender: miro at sputnik.dpi.inpe.br
> >>> X-Mailer: QUALCOMM Windows Eudora Version 5.1
> >>> 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
> >>> In-Reply-To: <3CD8067C.1DADD6BC at refractions.net>
> >>> Mime-Version: 1.0
> >>> Content-Type: text/plain; charset="iso-8859-1"; format=flowed
> >>> Content-Transfer-Encoding: quoted-printable
> >>>
> >>> 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
> 
> --
> 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

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