Write a one-page response based on one of the questions from the Essay #3 sheet. Form a group. Each person in the group represents a different skateholder: a) student-athlete, b) coach, c) athletic di

The p df9 95 s u it e o f p ro ducts - P df9 95, P dfE dit 9 95 , a n d S ig na tu re 99 5 - is a c o m ple te s o lu tio n fo r y o ur d ocu m ent p ublis h in g n ee ds. It p ro vid es e ase o f u se , fle xib ilit y in fo rm at, a nd in d ustr y -s ta nd ard s e cu rit y - a nd a ll a t n o c o st to y o u.

P df9 95 m ake s it e a sy a nd a ffo rd able to c re ate p ro fe ssio nal- q u alit y d o cu m en ts in th e p o pula r P D F file fo rm at. I ts e asy-to -u se in te rfa ce h elp s y o u to c re a te P D F file s b y s im ply s e le ctin g t h e " p rin t" c o m mand f r o m a ny a pp lic a tio n, c re atin g d ocu m ents w hic h c a n b e v ie w ed o n a ny c o m pute r w it h a P D F v ie w er. P df9 95 s u pp orts n etw ork file s a vin g, f a st u se r s w it c h in g o n X P , C it r ix /T erm in al S erv e r, c u sto m p age s iz e s a nd la rg e fo rm at p rin tin g . P df9 95 is a p rin te r d riv e r th at w ork s w it h a ny P osts crip t to P D F c o nve rte r. T he p df9 95 p rin te r d riv e r a nd a fr e e C onve rte r a re a va ila b le fo r e a sy d ow nlo ad . P dfE dit 9 95 o ffe rs a w ealt h o f a ddit io na l fu n ctio na lit y , s u ch a s: c o m bin in g d o cu m en ts in to a s in g le P D F; a uto m atic lin k in se rtio n; h ie ra rc h ic a l b ookm ark in se rtio n ; P D F c o nve rs io n to H TM L o r D O C ( te xt o nly ); in te gra tio n w it h W ord to olb ar w it h a u to m atic ta ble o f c o nte nts a nd lin k g enera tio n ; a u to atta ch to e m ail; s ta tio ne ry a n d s ta m pin g. S ig natu re 99 5 o ffe rs s ta te -o f- th e-a rt s e cu rit y a n d e n cry p tio n t o p ro te ct y o u r d ocu m ents a n d a dd d ig it a l s ig n atu re s. T he P df9 9 5 S uit e o ffe rs t h e f o llo w in g f e a tu re s, a ll a t n o c o st: A uto m atic in se rtio n o f e m bedde d lin ks H ie ra rc h ic a l B ookm ark s S upp ort fo r D ig it a l S ig natu re s S upp ort fo r T rip le D ES e ncry p tio n A ppe nd a nd D ele te P D F P ages B atc h P rin t fr o m M ic ro so ft O ffic e A sia n a nd C yrillic fo nts I n te gra tio n w it h M ic ro so ft W ord to olb ar P D F S ta tio nery C om bin in g m ult ip le P D F's in to a s in gle P D F T hre e a uto -n am e o ptio ns to b yp ass S ave A s d ia lo g I m posit io n o f D ra ft/ C onfid entia l s ta m ps S upp ort fo r la rg e fo rm at a rc h it e ctu ra l p rin tin g C onve rt P D F to J P EG , T IF F, B M P, P C X fo rm ats C onve rt P D F to H TM L a n d W ord D O C c o nve rs io n C onve rt P D F to te xt A uto m atic T able o f C onte nts g enera tio n S upp ort fo r X P F ast U se r S w it c h in g a nd m ult ip le u se r s e ssio ns S ta nd ard P D F E ncry p tio n ( re str ic te d p rin tin g, m odif y in g, c o pyin g te xt a nd im ag es) S upp ort fo r O ptim iz e d P D F S upp ort fo r c u sto m p age s iz e s O ptio n to a tta ch P D Fs to e m ail a fte r c re atio n A uto m atic te xt s u m mariz a tio n o f P D F d ocu m ents E asy in te gra tio n w it h d ocu m ent m ana gem ent a nd W ork flo w s ys te m s n -U p p rin tin g A uto m atic p age n um berin g S im ple P ro gra m mers In te rfa ce O ptio n to a uto m atic a lly d is p la y P D Fs a fte r c re atio n C usto m r e siz in g o f P D F o utp ut C onfig ura ble F ont e m bed din g S upp ort fo r C it r ix /T erm in al S erv e r S upp ort fo r W in dow s 2 003 S erv e r E asy P S to P D F p ro ce ssin g S pecif y P D F d ocu m ent p ro pertie s C ontr o l P D F o p enin g m ode C an b e c o nfig ure d to a d d fu nctio nalit y to A cro bat D is til le r F re e: C re ate s P D Fs w it h out a nn oyin g w ate rm ark s F re e: F ully fu nctio nal, n ot a tr ia l a nd d oes n ot e xp ir e O ve r 5 m illio n s a tis fie d c u sto m ers O ve r 1 00 0 E nte rp ris e C usto m ers w orld w id e P le ase v is it u s a t w ww.p df9 95.c o m t o l e arn m ore . T his d ocu m en t illu str a te s s e ve ra l f e atu re s o f th e P df9 9 5 S uit e o f P ro d ucts . APPR O VED In tr o d uctio n T he V ir tu al R ea li t y M od elin g Lan gu age (V RM L)is a la n gu ag e fo r desc rib in g m ulti - p artic ip an t in te ra cti v e sim ula tio ns -- vir tu al w orld s netw ork ed via th e glo bal In te rn et an d h yp erlin ked with th e W orld W id e W eb .A ll asp ec ts of vir tu al w orld dis p la y , in te ra cti o n a n d in te rn etw ork in g ca n be sp ecif ie d usin g VRM L.It is th e in te n tio n of its desig n ers th at V RM Lbec o m eth e sta n dard la n gu ag e fo r in te ra ctiv e sim ula ti o n with in th e W orld W id e W eb .

T he fir s t vers io n of V RM Lall o w sfo r th e cre a tio n of vir tu al w orld s w it h li m ite d i n te ra ctiv e beh av io r. T hese w orld s ca n co nta in obje cts w hic h hav e hyp erli n ks to oth er w orld s, H TM Ldocu m en ts or oth er vali d M IM Ety p es. W hen th e use r se le cts an obje c t w ith ahyp erlin k,th e ap pro pria te M IM Evie w er is la u nch ed .W hen th e use r se le cts a li n k t o aV RM Ldocu m en t fr o m with in aco rre ctl y co nfig u re d W W W bro w se r, a V RM L v ie w er is la u nch ed .T hus V RM Lvie w ers are th e perf e c t co m pan io n ap plic a tio ns to s ta n dard W WW bro w se rs fo r nav ig atin g an d vis u aliz in g th e W eb .F utu re vers io ns of V RM Lwill allo w fo r ric h er beh av io rs , in clu din g an im atio ns, m oti o n physic s an d re a l- t im em ulti - u se r in te ra cti o n.

T his docu m en t sp ec if ie s th e fe atu re s an d sy n ta x of V ers io n 1.0 of V RM L.

V RM LM is s io n Sta te m en t T he his to ry of th e dev elo pm en t of th e In te rn et has had th re e dis tin ct phase s; fir s t, th e d ev elo pm en t of th e TC P/I P in fra str u ctu re w hic h all o w ed docu m en ts an d data to be sto re d i n apro x im ally in dep en den t w ay ; th at is , In te rn et pro vid ed ala y er of ab str a c ti o n betw ee n d ata se ts an d th e hosts w hic h m an ip ula te d th em .W hile th is ab str a cti o n was use fu l, it w as a ls o co nfu sin g; w ith out an y cle ar se n se of "w hat w en t w here ", acc ess to In te rn et w as r e str ic te d to th e cla ss of sy so ps/n et su rfe rs w ho co uld m ain ta in in te rn al co gn itiv e m ap s of t h e data sp ac e.

N ex t, T im Bern ers -L ee 's w ork at C ER N ,w here he dev elo ped th e hyp erm ed ia sy ste m k no w n as W orld W id e W eb ,ad ded an oth er la y er of ab str a c ti o n to th e ex is tin g str u ctu re .

T his ab str a c tio n pro vid ed an "a d dre ssin g" sc h em e, a uniq ue id en tif ie r (th e U niv ers a l R eso urc e Loca to r), w hic h co uld te ll an yo ne "w here to go an d how to get th ere " fo r an y p ie c e of data w ith in th e W eb .W hile use fu l, it la c k ed dim en sio nali ty ; th ere 's no th ere t h ere w ith in th e w eb ,an d th e only ty p e of nav ig atio n perm is sib le (o th er th an su rfin g) is b y dir e c t re fe re n ce. In oth er w ord s, I can only te ll yo u how to get to th e V RM LForu m h om epag e by sa y in g, "h ttp ://w w w.w ir e d .c o m /" , w hic h is not hum an -c en te re d data . In APPR O VED fa c t, I need to m ak e an effo rt to re m em ber it at all . S o,w hile th e W orld W id e W eb p ro vid es a re tr ie v al m ec h an is m to co m ple m en t th e ex is ti n g sto ra g e m ech an is m ,it le a v es a lo t to be desir e d ,parti c u la rly fo r hum an bein gs.

F in ally , w em ove to "p erc ep tu aliz ed " In te rn etw ork s, w here th e data has been se n su aliz ed , t h at is , re n dere d se n su ally . If so m eth in g is re p re se n te d se n su ally , it is possib le to m ak e s e n se of it. V RM Lis an atte m pt (h ow su cc essfu l, only ti m ean d effo rt w il l te ll) to pla ce h um an s at th e cen te r of th e In te rn et, ord erin g its univ ers e to our w him s. In ord er to do t h at, th e m ost im porta n t sin gle ele m en t is a sta n dard th at defin es th e partic u la riti e s of p erc e p tio n.V ir tu al R ealit y M odelin g Lan gu ag e is th at sta n dard ,desig n ed to be a u niv e rs a l desc rip ti o n la nguage fo r m ult i- p artic ip ant sim ula ti o ns.

T hese th re e phase s, sto ra g e, re tr ie v al, an d perc ep tu aliz ati o n are an alo go us to th e hum an p ro cess of co nsc io usn ess, as ex pre ss e d in te rm sof se m an tic s an d co gn it iv e sc ie n ce .

E ven ts occu r an d are re co rd ed (m em ory ); in fe re n ce s are dra w n fro m mem ory ( a sso cia tio ns), an d fro m se ts of re la te d ev en ts , m ap s of th e univ ers e are cre a te d (c o gn iti v e p erc ep tio n). W hat is im porta n t to re m em ber is th at th e m ap is not th e te rr it o ry , an d we s h ould av oid beco m in g tr a p ped in an y sin gle re p re se n ta ti o n or w orld -v ie w .A lth ough we n ee d to desig n to avo id dis o rie n ta ti o n,w esh ould alw ay s push th e en velo pe in th e kin ds o f ex perie n ce w eca n brin g in to m an if e sta tio n!

T his docu m en t is th e liv in g pro of of th e su cce ss of a pro cess th at w as co m mitt e d to bein g o pen an d fle x ib le , re sp onsiv e to th e need s of a gro w in g W eb co m munit y . R ath er th an re - i n ven t th e w hee l, w ehav e ad ap te d an ex is tin g sp ecif ic atio n (O pen In ven to r) as th e basis f r o m whic h our ow n work ca n gro w ,sa v in g years of desig n work an d perh ap s m an y m is ta k es. N ow our re al w ork can beg in ; th at of re n derin g our noosp heric sp ace . H is to ry V RM Lwas co nce iv ed in th e sp rin g of 1994 at th e fir s t an nual W orld W id e W eb C onfe re n ce in Gen ev a, S w it z erla n d.T im Bern ers -L ee an d Dav e Rag gett org an iz ed a B ir d s-o f- a -F ea th er (B O F) se ssio n to dis c u ss V ir tu al R ea li ty in te rfa ce s to th e W orld W id e W eb .S ev era l B O F att e n dees desc rib ed pro je cts alr e a d y underw ay to buil d th re e d im en sio nal gra p hic al vis u aliz atio n to ols w hic h in te ro pera te w ith th e W eb .A tte n dee s a g re e d on th e need fo r th ese to ols to hav e aco m m on la n gu ag e fo r sp ecif y in g 3D sc e n e d esc rip tio n an d W WW hyp erlin ks -- an an alo g of H TM Lfo r vir tu al re a lity . T he te rm V ir tu al R eali t y M ark up Lan gu ag e (V RM L)w as co in ed ,an d th e gro up re so lv ed to beg in s p ecif ic ati o n work afte r th e co nfe re n ce. T he w ord 'M ark up'w as la te r ch an ged to ' M odelin g'to re fle c t th e gra p hic a l natu re of V RM L. APPR O VED Shortly afte r th e G en ev a BO F se ss io n,th e w ww -v rm lm aili n g lis t w as cre ate d to dis c u ss t h e dev elo pm en t of a sp ecif ic atio n fo r th e fir s t vers io n of V RM L.T he re sp onse to th e lis t i n vita ti o n was overw helm in g: w ith in aw eek ,th ere w ere over a th ousa n d m em bers . A fte r a n in itia l se ttli n g-in perio d,li s t m odera to r M ark Pesc e of L ab yrin th Gro up an nounce d his i n te n tio n to hav e adra ft vers io n of th e sp ecif ic atio n re ad y by th e W W W Fall 1994 c o nfe re n ce, a m ere fiv e m onth s aw ay . T here w as gen era l ag re em en t on th e li s t th at, w hil e t h is sc h ed ule w as ag g re ssiv e, it w as ach ie v ab le pro vid ed th at th e re q uir e m en ts fo r th e f ir s t vers io n were not to o am biti o us an d th at V RM Lco uld be ad ap te d fr o m an ex is tin g s o lu tio n.T he lis t quic k ly ag re ed upon ase t of re q uir e m en ts fo r th e fir s t vers io n,an d b eg an ase arc h fo r te ch nolo gie s w hic h co uld be ad ap te d to fit th e need s of V RM L.

T he se a rc h fo r ex is ti n g te ch nolo gie s tu rn ed up ase v era l w orth w hil e ca n did ate s. A fte r m uch delib era tio n th e li s t cam eto aco nse n su s: th e O pen In ven to r A SC II File Form at f ro m Sil ic o n Gra p hic s, In c. T he In ven to r Fil e Form at su pports co m ple te desc rip tio ns of 3 D sc en es w it h poly g o nally re n dere d obje c ts , lig h tin g, m ate ria ls , am bie n t pro pertie s an d r e a lis m effe c ts . A su bse t of th e In ven to r Fil e Form at, w ith ex te n sio ns to su pport n etw ork in g, fo rm sth e basis of V RM L.G av in Bell of Silic o n Gra p hic s has ad ap te d th e I n ven to r File Form at fo r V RM L,w it h desig n in put fr o m th e m aili n g lis t. S G Ihas public ly s ta te d th at th e file fo rm at is av aila b le fo r use in th e open m ark et, an d hav e co ntr ib ute d a f ile fo rm at pars e r in to th e publi c dom ain to boots tr a p VRM Lvie w er dev elo pm en t. APPR O VED AGra ph ic a lR epre se n ta tio n ofIn ve rs e VR M L Upta ke C han ge th e num ber in re d belo w to adju st fo r dow nlo a d ra te and /o r ban dw id th .

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