Encapsulating and Manipulating Component Object Graphics (COGs) using SVG
Macdonald, Alexander J. and Brailsford, David F. and Bagley, Steven R. (2005) Encapsulating and Manipulating Component Object Graphics (COGs) using SVG. In: ACM Symposium on Document Engineering (DocEng05), 2 - 4 November 2005, Bristol UK.
Scalable Vector Graphics (SVG) has an imaging model similar to that of PostScript and PDF but the XML basis of SVG allows it to participate fully, via namespaces, in generalised XML documents.There is increasing interest in using SVG as a Page Description Language and we examine ways in which SVG document components can be encapsulated in contexts where SVG will be used as a rendering technology for conventional page printing.Our aim is to encapsulate portions of SVG content (SVG COGs) so that the COGs are mutually independent and can be moved around a page, while maintaining invariant graphic properties and with guaranteed freedom from side effects and mutual interference. Parellels are drawn between COG implementation within SVG's tree-based inheritance mechanisms and an earlier COG implementation using PDF.
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