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revision 1.162 by benja, Sat Feb 15 22:03:00 2003 UTC revision 1.163 by benja, Sat Feb 15 22:12:50 2003 UTC
# Line 709  and placement of PDF fragments and textu Line 709  and placement of PDF fragments and textu
709  a 2-dimensional canvas [perlin93pad-andalso-bederson96padpp]_.  a 2-dimensional canvas [perlin93pad-andalso-bederson96padpp]_.
710  Overlapping pieces of PDF files can be placed on more than one canvas,  Overlapping pieces of PDF files can be placed on more than one canvas,
711  creating a visible *transclusion* [literary-machines-931]_.  creating a visible *transclusion* [literary-machines-931]_.
712    A user can collect pieces of PDFs on canvases like in a scrapbook,
713    but with visible connections to the original article.
714    
715  We take Cells a la Nelson's ZigZag[XXX ref] to be fundamental, point-like nodes  Internally, the structure is build of *cells* as in
716  of the structure. A cell can have two types of relationships, as shown  Nelson's zzstructure [zigzag-welcome]_. A cell can have two types
717  in Fig.[ref-xupdfStructure]: it is spatially placed onto a 2-dimensional  of relationships, as shown in Fig. [ref-xupdfStructure]_:
718  *canvas* along with other cells [perlin93pad-andalso-bederson96padpp]_  it may be placed on spatial canvases, and it contains a
719  (REF ZOOMABLE!! HERE WITHOUT ZOOMING),  Xanalogical *enfilade* (a collection of Xanalogical media,
720  and it can contain a xanalogical enfilade[XXX ref] connecting it to other cells  i.e. a textual annotation or part of a PDF file). The enfilade
721  xanalogically.  implicitly connects the cell to all other cells sharing
722    a *fluid media unit* (character or pixel) with this cell.
723    
724  The point of the xanalogical structure is to change the meaning of "cutting and  The point of the xanalogical structure is to change the meaning of "cutting and
725  pasting": in the dominant computer paradigm, cutting and pasting moves the actual  pasting": in the dominant computer paradigm, cutting and pasting moves the actual

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