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Text File  |  1991-02-10  |  3KB  |  60 lines
  1. 06601030301800
  2. 6L....T..T.T....T....T....T....T....T....T....T....T....T....T....R
  3. ÇCS201Writeup#8
  4. March13,1990
  5. üSpeakerÇ:AndriesvanDam
  6. üTitleÇ:ElectronicBooks:User-controlledAnimationinaHypermediaFramework.
  7.  
  8.      êProfessorvanDamÇpresentsaveryinterestingtalkon
  9. electronicbooks,presenttechnologyonthewaytothem,andthe
  10. ideasthathaveledtowherewearetoday.
  11.  
  12.      äElectronicbooksÇareclosertoelectronicmailandcomputer
  13. bulletinboardsthandesktoppublishing,inthattheyprovidethe
  14. possiblitytointeractwiththeinformation.Adesktoppublishing
  15. systemisasystemtoproducepaperwhichis,byitsverynature,
  16. static.VanDamclaimsthatMacintoshäHypercardÇstacksareastep
  17. intherightdirectionbutthatthemetaphoristoorestrictiveand
  18. thenavigationistooprimitiverenderingHypercarda"cutetoy."
  19.  
  20.      Problemswithelectronicbooksarethattheyarelimitedby
  21. thelowestcommondenominatorinhardware.Graphicsdesignpeople
  22. shouldbeinvolvedinthedesignprocess--currently,people
  23. wouldprefertoreadthesamethingonpaperratherthanona
  24. computerscreen.Therearealsoinsufficientstandards--many
  25. differentcompaniesprovidehypertextsystems,butthedocuments
  26. producedwiththesedifferentsystemscannotbesharedacross
  27. systems.Finally,withthepresentleveloftechnology,authoring
  28. ofhypertextdocumentsispainful--linksmustbeaddedmanually
  29. andlayoutmustallbedonebyhand.
  30.  
  31.      ElectronicbooksofthefuturewilluseühypertextdigraphsÇ,
  32. whichprovidewaystoseelinksbetweensubjectsandavailable
  33. information;andanimationtoillustrateconcepts.Thiswillnot
  34. justbeanimationwhichshowsthesamesequenceofframeevery
  35. timeit'sinvoked.Itmustactuallycontainamodelofthe
  36. processbeingillustratedsothatitcanbeviewatdifferent
  37. anglesformdifferentdistancesandatvariouslevelsofdetail.
  38. Atsomepoint,Dr.vanDamspeculatesthatitwillbepossiblefor
  39. amechanicrepairinganaircrafttowearaheadsetthatprovides
  40. technicalinformationonpartsashelooksatthemwhilerepairing
  41. theplane.Hecouldrefertotheplanedesignspecsandservice
  42. manualsasnecessarywithouthavingtolookuptheneeded
  43. informationinaseriesofpaperbooks.
  44.  
  45.      ProfessorvanDamthenpresentedabriefoverviewofthe
  46. historyofhypertextandinfactthecomputermouse.Theseideas
  47. havebeenaroundsincethe1960'seventhoughtheyhaveonly
  48. becomepopularrecently.Astechnologyprogressed,thesystems
  49. becamemoreandmoreflexible.
  50.  
  51.      Thenextideahepresentedwastheideaofnodesandlinks.
  52. Thesecanbestaticordynamic,authororsystemcreated,content-
  53. orstructure-related,andtypedoruntyped.Theyshouldprovidea
  54. üstickyselectionÇlinksothatnewlinkscanbecreatedas
  55. pathwaysarefollowed.Itshouldalsobepossiblytofollowthe
  56. linksback.
  57.  
  58.      VideotapesofpossibleusesofanimationcreatedatBrown
  59. Universityfinishedoffthetalkwithasplashofcolor.
  60.