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I'll make the first comment myself (I spotted this after we closed discussion on the working group list - sorry). Proposal: I suggest that the phrase "in two dimensions" be deleted from the definition of "image". Rationale: There are many "3D" images becoming available in digital media. In the case where these are "static" - ie they cannot be modified by a client except for the viewpoint - they are effectively still genre "image". Discussion: There are obvious overlaps with Type="data" - for cases where the "image" is generated from "data", but if the object is served to the client in some visual rendition then "image" is OK Type="interactive" - for virtual worlds, but not really if the _object_ rather than the viewpoint cannot really be changed, and in the case of static vrml scenes, it could be argued that they are purely descriptive and the "interactivity" is provided by the client Type="physical object" - for non-electronic 3D things - here I think that the digital/non-digital distinction is sufficient. -- __________________________________________________ Dr Simon Cox - Australian Geodynamics Cooperative Research Centre CSIRO Exploration & Mining, PO Box 437, Nedlands, WA 6009 Australia T: +61 8 9389 8421 F: +61 8 9389 1906 [log in to unmask] http://www.ned.dem.csiro.au/SimonCox/