[OSGeo-Discuss] idea for an OSGeo project -- a new, open data
format
Luis W. Sevilla
cresques at gmail.com
Mon Nov 19 08:49:17 EST 2007
Thanks for the note. I've forwarded to the person in charge of the
project for study.
greetings
Luis
Raj Singh wrote:
> Luis, good to hear support for a GML version of Peter Vretanos' BXML.
> When we were working on the WFS Simple API last year Peter and I did
> some more work on it here:
> http://www.ogcnetwork.net/node/189
> (schema and examples)
>
> I think it's slightly different (simpler and geometry harmonized with
> GeoRSS GML) than what's at http://www.cubewerx.com/web/guest/bxml,
> but the idea is the same.
> ---
> Raj
>
>
> On Nov 17, 2007, at 2:08 PM, Luis W. Sevilla wrote:
>
>> Hi,
>> +1 for GML with BXML encoding as next open standard. GML 3.* with his
>> ability to be 'profiled' seems to be on the base of almost all and
>> every OGC norm being proposed on last 2-3 years. As Rob Atkinson
>> said to
>> me, BXML may be an encoding for GML, in a way no standard needs to be
>> modifyed to support this encoding, only implementors must add
>> support to it.
>> At gvSIG we're currently working both on a low level library for
>> reading and writing GML 3.* + other GML alike formats, disacopled of
>> our object model, and a java port of this cubewerx BXML encoder/
>> decoder.
>> We hope to release early results by the end of 1st term next year.
>> Maybe the way of push the standard (both OGC and ISO) it's by simply
>> implement parsers and writers, and use it a widely as possible.
>>
>> greetings
>> Luis
>> Paul Spencer wrote:
>>
>>> Cubewerx created a binary XML implementation that is open source.
>>> They claim substantial benefits, so perhaps GML plus a binary XML
>>> library could be an alternative?
>>>
>>> http://www.cubewerx.com/web/guest/bxml
>>>
>>> Cheers
>>>
>>> Paul
>>>
>>> On 15-Nov-07, at 5:21 PM, Lucena, Ivan wrote:
>>>
>>>> Sampson,
>>>>
>>>> I am not a GML guru and I don't know if a binary version exists
>>>> already, but I would imagine that HDF5 would be a excellent choice
>>>> by its own hierarchical nature. I mean, we can use GML as a schema
>>>> to store the data in binary format in the HDF5 format.
>>>>
>>>> Best regards,
>>>>
>>>> Ivan
>>>>
>>>> Sampson, David wrote:
>>>>
>>>>> Alright,
>>>>> Here are some other thoughts.
>>>>> First off what about a open office (open base) type approach... This
>>>>> mimmics the ESRI MSAccess approach and seams to work well for non
>>>>> server
>>>>> environments. Also open office is a good environment for some basic
>>>>> applications.
>>>>> Next, what ever happened to the adoption of GML... Was GML not
>>>>> supposed
>>>>> to be the NEXT interchange fomrat? Perhaps this is a good
>>>>> discussion to
>>>>> include the GML gurus in. The whole discussion of going with a
>>>>> binary
>>>>> GML format makes sense and GML is already used for many web mapping
>>>>> (feature) services. It sounds like a duplication of GML to me...
>>>>> Unless
>>>>> someone can offer a direct compare and contrast between the concept
>>>>> here
>>>>> and the GML/Binary GML concept.
>>>>> In either case being able to convert to and from GML would be a
>>>>> necesity
>>>>> for wide adoption IMHO.
>>>>> Another thought is to encourage some of the proprietary formats to
>>>>> open
>>>>> up. What would it take to get ESRI on board to open up the format
>>>>> (open
>>>>> as in free speech). What about other non-open standards? Once it's
>>>>> open
>>>>> then we can bring the SHP format to modern day useage. Surely
>>>>> much of
>>>>> the format could be salvaged.
>>>>> Besides, if you want wide adoption of an open format then why not
>>>>> go for
>>>>> those players who hold greatest market share.
>>>>> Some thoughts.
>>>>> -----Original Message-----
>>>>> From: discuss-bounces at lists.osgeo.org
>>>>> [mailto:discuss-bounces at lists.osgeo.org] On Behalf Of P Kishor
>>>>> Sent: Tuesday, November 13, 2007 09:53
>>>>> To: OSGeo Discussions
>>>>> Subject: [OSGeo-Discuss] idea for an OSGeo project -- a new,
>>>>> open data
>>>>> format
>>>>> So, I am thinking, Shapefile is the de facto data standard for GIS
>>>>> data.
>>>>> That it is open (albeit not Free) along with the deep and wide
>>>>> presence
>>>>> of ESRI's products from the beginning of the epoch, it has been
>>>>> widely
>>>>> adopted. Existence of shapelib, various language bindings, and
>>>>> ready use
>>>>> by products such as MapServer has continued to cement Shapefile
>>>>> as the
>>>>> format to use. All this is in spite of Shapefile's inherent
>>>>> drawbacks,
>>>>> particularly in the area of attribute data management.
>>>>> What if we came up with a new and improved data format -- call it
>>>>> "Open
>>>>> Shapefile" (extension .osh) -- that would be completely Free,
>>>>> single-file based (instead of the multiple .shp, .dbf, .shx, etc.),
>>>>> and
>>>>> based on SQLite, giving the .osh format complete relational data
>>>>> handling capabilities. We would require a new version of Shapelib,
>>>>> improved language bindings, make it the default and preferred
>>>>> format for
>>>>> MapServer, and provide seamless and painless import of regular .shp
>>>>> data
>>>>> into .osh for native rendering. Its adoption would be quick in the
>>>>> open
>>>>> source community. The non-opensource community would either not
>>>>> give a
>>>>> rat's behind for it, but it wouldn't affect them...
>>>>> they would still work with their preferred .shp until they learned
>>>>> better. By having a completely open and Free single-file based,
>>>>> built on
>>>>> SQLite, fully relational dbms capable spatial data format, it
>>>>> would be
>>>>> positioned for continued improvement and development.
>>>>> Is this too crazy?
>>>>> --
>>>>> Puneet Kishor
>>>>> _______________________________________________
>>>>> Discuss mailing list
>>>>> Discuss at lists.osgeo.org
>>>>> http://lists.osgeo.org/mailman/listinfo/discuss
>>>>> _______________________________________________
>>>>> Discuss mailing list
>>>>> Discuss at lists.osgeo.org
>>>>> http://lists.osgeo.org/mailman/listinfo/discuss
>>>>
>>>>
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>>>
>>>
>>> +-----------------------------------------------------------------+
>>> |Paul Spencer pspencer at dmsolutions.ca |
>>> +-----------------------------------------------------------------+
>>> |Chief Technology Officer |
>>> |DM Solutions Group Inc http://www.dmsolutions.ca/ |
>>> +-----------------------------------------------------------------+
>>>
>>>
>>>
>>>
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