/[gzz]/manuscripts/xupdf/article.rst
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revision 1.69 by jvk, Wed Feb 12 18:40:44 2003 UTC revision 1.70 by mudyc, Thu Feb 13 00:17:16 2003 UTC
# Line 563  An example structure: a MEMEX-like view Line 563  An example structure: a MEMEX-like view
563      right.p = (xuLink.e{right}...(xuEnfilade.n + (20,0)){down});      right.p = (xuLink.e{right}...(xuEnfilade.n + (20,0)){down});
564    
565    
566    
567    
568    As an example of our structure we show blocks of contents of this article.
569    Before this we have to explain xanadu and system surrounding it shortly.
570    In xanadu all characters typed in becomes
571    media of xanadu text block.
572    Also the articles referred to this one
573    consist actually of pixels in 2D media: xanadu image blocks.
574    As it states in xanadu world everything you produce is unique:
575    every xanadu media has it's own identity.
576    
577    
578    We need a way to collect and get in order all needed media blocks.
579    Collecting is done with enfilade
580    which is tree of pieces of xanadu blocks.
581    For example this article can be think of in typed text and links to other articles.
582    The links are only a small clips to other articles.
583    The wholeness is pieces of the text and between them are pieces of referring articles.
584    
585    ...explain enfilade
586    
587    ...this makes it possible to make annotations to article.
588    XXX
589    
590    
591    To be able to make good use of all the possibilities of xanadu
592    we have orthogonal structure based on cells.
593    Cell is connected to enfilade and cell's.
594    position can be layed with placement coordinates.
595    After this we are able to present cells,
596    transclusions from xanadu blocks, in spatial canvases.
597    We think it is fair to call the whole environment
598    human friendly which is the one of the most important
599    developement issues we have prioritise.
600    User friendlynes appears in a new light when
601    new document is created using well-known cut&paste method.
602    All productions made before are transclusions in the new
603    document and the originals are behind xanadu link - easily available for exploration.
604    
605    
606    
607    
608    
609  - *Enfilade*: a list of fluid media contents, a "virtual file" or part of one  - *Enfilade*: a list of fluid media contents, a "virtual file" or part of one
610    
611  - *Transclusion*: the inclusion in an enfilade of contents already used  - *Transclusion*: the inclusion in an enfilade of contents already used

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