From: martinl_at_talk21.com
Date: Mon Apr 22 2002 - 02:57:11 CEST
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Could I suggest that the task list suggested by Peter be adjusted as follows?
Basically, I think that the definition of formats (part of Pete's Task 5) is a task and then, for each format identified there, the task is to produce a specification document encompassing the rest of his task 5 and tasks 6-11. Concurrently, sample implementations and explanatory documentation would be produced. I would suggest that the document be along the lines of the W3C specifications.
In addition, every attempt should be made to widen participation beyond the currently active Americans, British, and Australians with occasional Dutch, Czech and Russian contributions. Where are the French, Spanish, and Italians who survey their abundance of long and deep caves, assorted East European slavs and magyars with their long heritage of surveying caves, the Asiatics who have some of the largest caves in their countries, albeit often surveyed up to now by foreign expeditions?
Tasks (Individual high-level tasks we need to do to achieve our Objectives.)
===== [My comments shown in square brackets]
o Draw up the Scope and Objectives for the group. [Done, but should remain open to review and revision]
o Establish the official WG delegate for each interested country (UIS voting is by country). [Not started, and not probably terribly important to most participants. It is much better to have more enthusiastic and adept people involved directly than to burden a few worthy mouthpieces.]
o Catch up with the good work which has already been done in this area: Each existing worker to post a "summary" of what they have done, as well as point us to their detail, e.g. via their web page. [Done, but should be summarised on the WG website]
o Establish a website and mailinglist as a platform for discussion and publishing roadmaps, working drafts and results. [Done, but should be an ongoing task, encouraging feedback and improvement.]
o Publicise the project as widely as possible through the international caving (and wider underground interest) communities to encourage participation and takeup irrespective of language. [This should be a priority from the start, not after standards have been formulated. XML is inherently internationalisable through its use of Unicode; XSLT can also assist in translating. This could also assist in revitalsing the UIS' dictionary project]
o Decide on standalone transfer formats that will be needed (without restricting the possibility of combining them)
e.g. survey data (raw and adjusted for corrections; simple to refined techniques (eg don't need to consider repeated readings, forward and back sights, etc for a simple line survey as used in , I suspect, the majority of surveys to date))
survey co-ordinates (calculated or captured)
graphics (2D and 3D).
For each format:
o produce a specification of an XML structured hierarchy of elements, and define their content in terms of attributes and/or text; enumerated content options, data formats. XML Schema, Schematron and possibly other means should be used to give precision to the definitions and assist in their implementation.
[Peter Matthews has prepared an initial draft diagram and entity definitions for discussion, but not yet published (Didn't that French chap Fermat say something like that once?). Entities and fields are likely to be quite close to XML elements and attributes]
o Produce regular working drafts for the proposed standards. [published on the website for discussion and revised in the light of comments submitted to a form on the website or via the email list, both archived]
o. Provide documented software demonstrating a sample implementation of the standard. [this need not be done in parallel with the development of the standard, but I would expect parallel development to enhance the usefulness and practicality of both. I have a Java program which accepts from/to/distance/bearing/inclination of a format defined in an XML Schema, parses and validates it, calculates coordinates and draws a line survey using an SVG file and viewer]
o Vote by WG delegates.
o Ratification by UISIC.
Regards,
and lets get on with it!
Martin Laverty
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