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34 ^ll r s cAD/cANl ^l ,-.J 7H = E srl-+gg 'll+il A+=zy rt= cAD/cAM ^l -AEJql^l flZl AH- i7++ + or - z\z) o 'tzla 9]g+, -Egts g +Eg A+d t4€ rtE^lg *rJ + gt= A L O E=. 'I a 4, "l= 4 +61 E+^l 7l 4 E +=+g r*"1 ;(l;<16}- +d E 9l+. (5) GKS (Graphical Kernel System) zJfe] r/4qE s=4 +zl "Jg ACM4 srGGRApHql el 611 coRE4 _ 7 €-4= _ * = "Jg "J,==-zl El ?L+. re77Ll coRETI "l s ggq fr,g+, ztlirl r4lq 7l B ql q + _s="Jol rlio]zlzl g*olrl 2uJ +l ql(rszq,J) +a"Jg ulrl g_E6}gt+. ol +B +'J E DINqI el all GKS(Graphical Kemel System)z| al *sl ol A xI E = 7l + "J rSO, ANSI Fql^.1 lessLJql GKS= _E=q_a i]]46121 9?14. (6) CGI (Computer Graphic Interface) CGI- VDl(Virtual Device Interface)elE olEqE- ^l +€ 6}-=-.9llq 7l=9 g.=olq, "l= Isoql^l A#612I gtr^] Ccr _ tr _ E?ol HIB 4"lu}. r4g 7l=r+ Hardware driver tql ++q q 4+ a|=eJ olE control 6J + glE+ 6I= _9.=f 4 014. (7) CGM (Computer Graphic Metafile) vDM(Virrual Device Metafile)ol rJls oJ+. ccMg ^]g r-l= rl :- rj 4q1 € c € E€ ql +6J E€ el olulzle] e H9 z.l 1IBJH "l E€ A HE File-tr- z.i +6J ,rll, E € el ++ql 4r+ "Je6J +49 A6Iq zl++.Jg +C6IZI 6I= s=+4g.s,4= ^l^eql^l u}_e- ol +.Jg 0l+6].0l +e.yJdol zl=-alE* 6J _E="1+. (8) NAPLPS (North American Presentation Level Protocol Syntax) E-zL+ E€g d+6171 el6ll^] Etlsld€. ^L+6lr.zl g 4 g.q+ Tae=., u1 +el Ar&r7l ;il q + 6}Eel'l zlig E =it4 olr}. E.zle+ E€ eE_ +El\i .d trzl -s= C+g "fl g,qsJ -z.Er]Tjl= zleal 4olu}. (9) GKS - 3D9+ PHIGS (Programmer's hierarchical interactive graphic system) GKS 3D= GKSqI 3^Ig 7l=g +q 6J a _ o _tr-, 3D "J q,qiel "J q + q ^=/ll ol FE +71619trI. PHIGS- 37lg 1499 _S€6I= primitive5 Eal49-E -r.E +6Iq ^I-$+ + 9iE+ + r4q E=e-a zl+4 +z= zlz)y Graphic s=ol + + + 9l+. 4= g-tr€ pHrGS+= pHrcs= -H-g6Iq TItI€€zl Bg 4-&6J + 9.lzl a}9ll, ol*Eo}ts 6}-d'';l5trJ rlEzllold, 5 EzI _E-ets, 4+]Al Eql ol-go|_z 9l+.