notes of computer clsss data sceicne marketinf

full detail of company new policy

1. Multimedia Auth o ring and T o ols 1

2. M ultimedia Auth o r ing Multimedia auth o rin g : creation of multimedia p r o ductions, sometimes called “movies” o r “ p resentations”. • – w e a re m ostly interested in interactive applications. – F o r p racticali t y , w e also have a l o o k a t still-image edit o rs such as Ado b e P hotoshop, and simple as Ado b e P remiere. video edit o rs such In this section, w e ta k e a l o o k a t: • – – – – M ultim e dia M ultim e dia M ultim e dia A uth o rin g Me t aph o rs Pr o duction Pr e s e ntation Automatic Auth o ring 2

3. – Multimedia A uth o ring Metaph o rs 1 . Scriptin g L anguag e Me t aph o r: u se a s p ecial language to enable interactivi t y (buttons, m ouse, etc.), and ditionals, j umps, l o ops, functions/macros etc. T o ol bo o k p rogram is as b el o w: t o a ll o w con- E .g., a small -- load an MPEG file extFileName of MediaPlayer "theMpegPath" = "c: \ windows \ media \ home33.mpg"; -- play extPlayCount of MediaPlayer "theMpegPath" = 1; -- put the MediaPlayer in frames mode (not time extDisplayMode of MediaPlayer "theMpegPath" = 1; -- if want to start and end at specific frames: mode) extSelectionStart of MediaPlayer "theMpegPath" = 103; extSelectionEnd of MediaPlayer "theMpegPath" = 1997; -- start playback get extPlay() of MediaPlayer "theMpegPath"; 3

4. 2 . Slide S h o w Metaph o r : A line a r p resentation b y default, although t o ols exist t o p erf o rm j umps in slide sh o ws. 3 . Hier a rc h ical Meta ph o r : U ser-controllable elements a re o r- ganized into a tree structure — often u sed applications. in m enu-driven 4 . Iconic/Fl o w-control Metaph o r : G raphical icons a re a vail- able in a t o o l b o x, a nd auth o ring p r o ceeds b y creating a fl o w ch a rt w ith icons attached 4

5. Fig. : Auth o r w a re fl o w ch a rt 5

6. 5 . F rames Metaph o r : Li k e Iconic/Fl o w-control M etaph o r; h o w- ever links b e t w een icons a re m o re conceptual, rather t han re p resenting the a ctual fl o w of the p rogram Fig. : Quest F rame 6

7. 6 . C a rd/Scriptin g Me t aph o r : U ses a simple index-c a rd structure hy p ertext — o r easy route t o p r o ducing a pplications that use hy p ermedia; u sed in sch o o ls. Fig. T w o C a rds in a H y p ermedia Stack 7

8. 7 . Cast/Sc o re/Scripting Metaph o r : • Time is sh o w n h o rizontally; li k e a s p readsheet: r o w s, o r track s , re p resent instantiations of ch a racters media p r o duction. • Multimedia elements a re d r a wn from a cast of and scripts a re b asically event- p r o cedures o r that a re t riggered b y timer events. in a m ulti- ch a racters, p r o cedures • Direct o r, metaph o r. b y M acromedia, is the chief example of this Direct o r uses the L ing o scripting language, an object- o riented event-driven language. 8