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Re: [Fwd: WebCGM 2.1 is a W3C Candidate Recommendation (Call for Implementations)]

From: Lofton Henderson <lofton@rockynet.com>
Date: Wed, 16 Sep 2009 09:27:41 -0600
Message-Id: <>
To: Thierry Michel <tmichel@w3.org>,WebCGM WG <public-webcgm-wg@w3.org>
Thanks to everyone for making this happen!

NOTE:  If you fetched the ZIP file version before Thierry's below 
announcement message, please re-fetch it.  There were a couple of glitches, 
whereby some last minute fixes didn't make it into the ZIP file.


At 10:15 AM 9/16/2009 +0200, Thierry Michel wrote:
>WebCGM 2.1 is a W3C Candidate Recommendation (Call for Implementations)
>Thierry Michel
>WebCGM WG Team Contact
>Dear Advisory Committee Representative,
>I am pleased to announce that WebCGM 2.1 is a W3C Candidate Recommendation:
>   http://www.w3.org/TR/2009/CR-webcgm21-20090915/
>The approval and publication are in response to this transition request:
>The disposition of Last Call comments is available at:
>There were no Formal Objections.
>The WebCGM Working Group Working Group expects to receive more comments in 
>the form of implementation feedback and test cases. The Working Group 
>believes it will have satisfied its implementation criteria by 15 October 2009.
>The WebCGM Working Group Charter is available at
>   http://www.w3.org/2007/10/webcgm-charter
>Patent disclosures relevant to this specification may be found on the 
>WebCGM Working Group's patent disclosure page in conformance with W3C policy:
>More information is available on the WebCGM Working Group home page:
>  http://www.w3.org/Graphics/WebCGM/WG/
>This Call for Implementations follows section 7.4.3 of the W3C Process
>Document: http://www.w3.org/2005/10/Process-20051014/tr#cfi
>Thank you,
>For Tim Berners-Lee, Director, and
>Philippe Le Hégaret, Interaction Domain Lead;
>Ian Jacobs, Head of W3C Communications
>Quoting from the WebCGM 2.1 W3C Candidate Recommendation - 15 September 2009
>Computer Graphics Metafile (CGM) is an ISO standard, defined by ISO/IEC 
>8632:1999, for the interchange of 2D vector and mixed vector/raster 
>graphics. WebCGM is a profile of CGM, which adds Web linking and is 
>optimized for Web applications in technical illustration, electronic 
>documentation, geophysical data visualization, and similar fields. First 
>published (1.0) in 1999, WebCGM unifies potentially diverse approaches to 
>CGM utilization in Web document applications. It therefore represents a 
>significant interoperability agreement amongst major users and 
>implementers of the ISO CGM standard.
>The design criteria for WebCGM aim to balance graphical expressive power 
>on the one hand, versus simplicity and implementability on the other. A 
>small but powerful set of standardized metadata elements supports the 
>functionalities of hyperlinking and document navigation, picture 
>structuring and layering, and enabling search and query of WebCGM picture 
>The present version, WebCGM 2.1, refines and completes the features of the 
>major WebCGM 2.0 release. WebCGM 2.0 added a DOM (API) specification for 
>programmatic access to WebCGM objects, a specification of an XML Companion 
>File (XCF) architecture, and extended the graphical and intelligent 
>content of WebCGM 1.0.
>Status of This Document
>This section describes the status of this document at the time of its 
>publication. Other documents may supersede this document. A list of 
>current W3C publications and the latest revision of this technical report 
>can be found in the W3C technical reports index at http://www.w3.org/TR/.
>This is a W3C Candidate Recommendation of the WebCGM 2.1. W3C publishes a 
>Candidate Recommendation to indicate that the document is believed to be 
>stable and to encourage implementation by the developer community. The 
>WebCGM Working Group expects to request that the Director advance this 
>document to Proposed Recommendation when the following exit criteria have 
>been met:
>1. Sufficient reports of implementation experience have been gathered to 
>demonstrate that the WebCGM 2.1 features are implementable and are 
>interpreted in a consistent manner. To do so, the Working Group will 
>insure that all features in the WebCGM 2.1 specification have been 
>implemented at least twice in an interoperable way. This defined this as:
>    * the implementations have been developed independently,
>    * each test in the WebCGM 2.1 test suite has at least two passing 
> implementations.
>2. The Working Group has adopted a public test suite [1] for WebCGM 2.1 
>and has produced a preliminary WebCGM 2.1 implementation report.
>The preliminary Interoperability Implementation Report shows that a fair 
>amount of WebCGM 2.1 features are already implemented. This document will 
>remain a Candidate Recommendation until at least 15 October 2009.
>The Working Group has identified the following features as "at risk":
>    * XCF access to the new 2.1 Style Properties (see 4.3.2, stroke-type 
> through fill-offset)
>    * XCF access to the new 2.1 transform functionality (see 4.3.2, 
> geometricTransform)
>    * ACI access to Line Type Continuation (
>    * ACI access to Edge Type Continuation (
>    * ACI access to Hatch Style Definition (
>    * ACI access to Line and Edge Type Definition (
>Features for which there are not at least two implementations at the end 
>of the Candidate Recommendation period may be removed from this specification.
>This document was developed by the WebCGM Working Group, part of the 
>Graphics Activity. The Working Group expects to advance this Working Draft 
>to Recommendation Status. The list of changes made since the last public 
>Working Draft is available in Appendix D, "Change Log", and are 
>highlighted in the text itself.
>WebCGM 2.1 is related to the previous W3C work on WebCGM 1.0 and 2.0. 
>WebCGM 2.0 was simultaneously published by W3C as a Recommendation and by 
>OASIS as an OASIS Standard. The two versions are identical in technical 
>content, differing only in the formatting and presentation conventions of 
>the two organizations. It is agreed that WebCGM 2.1 will be progressed by 
>the same collaborative process and will result in technically a identical 
>Recommendation and OASIS Standard.
>This WebCGM 2.1 specification was initially based on a work by the same 
>name, WebCGM 2.1 an OASIS Committee Specification.
>The W3C Membership and other interested parties are invited to review the 
>document and send comments through 15 October 2009 to public-webcgm@w3.org 
>mailing list (public archive), including the prefix '[WebCGM 2.1 CR 
>comment]' in the subject line.
>Publication as a Candidate Recommendation does not imply endorsement by 
>the W3C Membership. This is a draft document and may be updated, replaced 
>or obsoleted by other documents at any time. It is inappropriate to cite 
>this document as other than work in progress.
>This document was produced by a group operating under the 5 February 2004 
>W3C Patent Policy. W3C maintains a public list of any patent disclosures 
>made in connection with the deliverables of the group[2] ; that page also 
>includes instructions for disclosing a patent. An individual who has 
>actual knowledge of a patent which the individual believes contains 
>Essential Claim(s) must disclose the information in accordance with 
>section 6 of the W3C Patent Policy.
>[1] http://www.w3.org/2006/Graphics/WebCGM/testsuite.html
>[2] http://www.w3.org/2004/01/pp-impl/39256/status
>Ian Jacobs (ij@w3.org)    http://www.w3.org/People/Jacobs/
>Tel:                                      +1 718 260 9447
Received on Wednesday, 16 September 2009 15:28:27 UTC

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