%!PS-Adobe-3.0 EPSF-3.0 PG040-7A.EPS %%BoundingBox: 71 82 415 330 %START PDFDE011.EPS /pdfmark17 where {pop} {userdict /pdfmark17 /cleartomark load put} ifelse /languagelevel where {pop languagelevel} {1} ifelse 2 lt { userdict (<<) cvn ([) cvn load put userdict (>>) cvn (]) cvn load put} if [ /Title (PostScript pictures: http://130.149.60.45/~farbmetrik/PG04/) /Author (compare K. Richter "Computergrafik ...": ISBN 3-8007-1775-1) /Subject (goto: http://www.ps.bam.de or http://130.149.60.45/~farbmetrik) /Keywords (image reproduction, colour devices, colour vision) /Creator (klaus.richter@mac.com) /CreationDate (D:2011090112000) /ModDate (D:2011090112000) /DOCINFO pdfmark17 [ /View [ /FitB ] /DOCVIEW pdfmark17 %END PDFDE011 % !AUSTAUSCH Times-Roman -> Times-Roman-ISOLatin1=Times-I /Times-Roman findfont dup length dict begin {1 index /FID ne {def} {pop pop} ifelse }forall /Encoding ISOLatin1Encoding def currentdict end /Times-ISOL1 exch definefont pop /Times-Italic findfont dup length dict begin {1 index /FID ne {def} {pop pop} ifelse }forall /Encoding ISOLatin1Encoding def currentdict end /TimesI-ISOL1 exch definefont pop /Times-Bold findfont dup length dict begin {1 index /FID ne {def} {pop pop} ifelse }forall /Encoding ISOLatin1Encoding def currentdict end /TimesB-ISOL1 exch definefont pop /Times-BoldItalic findfont dup length dict begin {1 index /FID ne {def} 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rmoveto iyt 50 sub /TimesB-ISOL1 FS show 00 50 rmoveto} def /eshow { 00 070 rmoveto iyt 50 sub /TimesB-ISOL1 FS show 00 -070 rmoveto} def /neshow { 00 070 rmoveto iyt 50 sub /Times-ISOL1 FS show 00 -070 rmoveto} def gsave 15 setlinewidth 1 setgray 0 0 moveto 6000 0 rlineto 0 4200 rlineto -6000 0 rlineto closepath fill 0 setgray 0 0 moveto 6000 0 rlineto 0 4200 rlineto -6000 0 rlineto closepath stroke 0 setgray TKK 100 -110 moveto iout 0 eq {(PG040-3N) show} if iout 1 eq {(PG040-7N) show} if iout 2 eq {(PG041-3N) show} if iout 3 eq {(PG041-7N) show} if /iyt 150 def %text size /iyd 200 def %line difference %************************************************************************************************ iout 0 eq {%iout=0 /ix00 20 def %text 1 /iy00 3850 def %text 2 ix00 iy00 200 add moveto (Contrast step ) bshowen (Kontraststufe ) bshowde (C) jshow (Yi) ishow0 ((i=1 to 8), ) nshow (CIE tristimulues value ) bshowen (CIE\255Normfarbwert ) bshowde (Y) jshow (N) ishow0 (, grey steps according to ISO 9241\255306) bshowen (, Graustufen nach ISO 9241\255306) bshowde (1\051) eshow %****************************************************************************** /ix10 20 def /ix11 030 def %Contrast step /ix12 0750 def %CIE YN /ix13 1600 def %total display luminance /ix14 2550 def %projector luminance /ix15 3400 def %reflective luminance /ix16 4250 def %grey color steps, no output linearisation /ix17 5150 def %grey color steps, output linearisation /iyt1 3750 def /iy01 iyt1 def %title /iy11 iyt1 iyd 1 mul sub def %question CIE colours /iy21 iyt1 iyd 2 mul sub def %14 steps /iy31 iyt1 iyd 3 mul sub def %.... /iy41 iyt1 iyd 4 mul sub def %.... /iy51 iyt1 iyd 5 mul sub def %.... /iy61 iyt1 iyd 6 mul sub def %.... /iy71 iyt1 iyd 7 mul sub def %.... /iy81 iyt1 iyd 8 mul sub def %.... ix11 iy01 moveto (Contrast) bshowen (Kontrast\255) bshowde ix11 iy11 moveto (step) bshowen (Stufe) bshowde ( C) jshow (Yi) ishow0 ix11 iy21 moveto (and ) bshowen (und ) bshowde (Y\255) jshow ix11 iy31 moveto (ratio) bshowen (Verh\344ltnis) bshowde ix11 iy41 moveto ((i=1 .. 8)) nshow ix12 iy01 moveto (CIE tristi\255) bshowen (CIE\255Norm\255) bshowde ix12 iy11 moveto (mulus value ) bshowen (Farbwert ) bshowde ix12 iy21 moveto (Y) jshow (N) ishow0 ( and CIE) bshowen ( und CIE\255) bshowde ix12 iy31 moveto (lightness) bshowen (Helligkeit) bshowde ix12 iy41 moveto (L*) jshow (N) ishow0 ( of) bshowen ( von) bshowde ix12 iy51 moveto (black) bshowen (Schwarz) bshowde ix13 iy01 moveto (total) bshowen (totale) bshowde ix13 iy11 moveto (viewing) bshowen (gesehene) bshowde ix13 iy21 moveto (display) bshowen (Display\255Be\255) bshowde ix13 iy31 moveto (illuminance) bshowen (leuchtungs) bshowde ix13 iy41 moveto (st\344rke ) bshowde (E) jshow (P+R) ishow0 ix13 iy51 moveto ([lux]) bshow (3\051) eshow ix14 iy01 moveto (measured) bshowen (gemessene) bshowde ix14 iy11 moveto (projector) bshowen (Projektor\255) bshowde ix14 iy21 moveto ((P) display) bshowen (Display\255Be\255) bshowde ix14 iy31 moveto (illuminance) bshowen (leuchtungs\255) bshowde ix14 iy41 moveto (st\344rke ) bshowde (E) jshow (P) ishow0 ix14 iy51 moveto ([lux]) bshow (3\051) eshow ix15 iy01 moveto (room light) bshowen (Raumlicht\255) bshowde ix15 iy11 moveto ((R) display) bshowen ((R) Display\255) bshowde ix15 iy21 moveto (illuminance) bshowen (Beleuch\255) bshowde ix15 iy31 moveto (tungsst\344rke) bshowde ix15 iy41 moveto (E) jshow (R) ishow0 ix15 iy51 moveto ([lux]) bshow (3\051) eshow ix16 iy01 moveto (grey steps) bshowen (Graustufen) bshowde ix16 iy11 moveto (without) bshowen (ohne) bshowde ix16 iy21 moveto (output) bshowen (Ausgabeli\255) bshowde ix16 iy31 moveto (linearisation) bshowen (nearisierung) bshowde ix16 iy41 moveto (delta ) bshow (L*) jshow (=1) bshow ix16 iy51 moveto (amount ) bshowen (Anzahl ) bshowde (a) jshow (n) ishow0 (2\051) eshow ix17 iy01 moveto (grey steps) bshowen (Graustufen) bshowde ix17 iy11 moveto (with) bshowen (mit) bshowde ix17 iy21 moveto (output) bshowen (Ausgabeli\255) bshowde ix17 iy31 moveto (linearisation) bshowen (nearisierung) bshowde ix17 iy41 moveto (delta ) bshow (L*) jshow (=1) bshow ix17 iy51 moveto (amount ) bshowen (Anzahl ) bshowde (a) jshow (l) ishow0 (2\051) eshow %****************************************************************************** /ix20 20 def /ix21 030 def %Contrast step /ix22 0800 def %CIE YN /ix23 1600 def %display luminance /ix24 2550 200 add def %projector luminance /ix25 3400 300 add def %reflective luminance /ix26 4250 300 add def %grey color steps, no output linearisation /ix27 5150 300 add def %grey color steps, output linearisation /iyt2 2450 def /iy02 iyt2 def %C1 /iy12 iyt2 iyd 1 mul sub def %C2 /iy22 iyt2 iyd 2 mul sub def %C3 /iy32 iyt2 iyd 3 mul sub def %C4 /iy42 iyt2 iyd 4 mul sub def %.... /iy52 iyt2 iyd 5 mul sub def %.... /iy62 iyt2 iyd 6 mul sub def %.... /iy72 iyt2 iyd 7 mul sub def %.... /iy82 iyt2 iyd 8 mul sub def %.... /iy92 iyt2 iyd 9 mul sub def %.... ix21 iy02 moveto (C) jshow (Y8 ) ishow0 ( 288:1) bshow ix21 iy12 moveto (C) jshow (Y7 ) ishow0 ( 144:1) bshow ix21 iy22 moveto (C) jshow (Y6 ) ishow0 ( 72:1) bshow ix21 iy32 moveto (C) jshow (Y5 ) ishow0 ( 36:1) bshow ix21 iy42 moveto (C) jshow (Y4 ) ishow0 ( 18:1) bshow ix21 iy52 moveto (C) jshow (Y3 ) ishow0 ( 9:1) bshow ix21 iy62 moveto (C) jshow (Y2 ) ishow0 ( 4,5:1) bshow ix21 iy72 moveto (C) jshow (Y1 ) ishow0 (2,25:1) bshow ix22 iy02 moveto (0,31 / 1) nshow ix22 iy12 moveto (0,62 / 6) nshow ix22 iy22 moveto (1,25 / 11) nshow ix22 iy32 moveto (2,5 / 18) bshow ix22 iy42 moveto (5,0 / 27) nshow ix22 iy52 moveto (10 / 38) nshow ix22 iy62 moveto (20 / 52) nshow ix22 iy72 moveto (40 / 70) nshow ix23 iy02 moveto (80000+64000) nshow ix23 iy12 moveto (40000+32000) nshow ix23 iy22 moveto (20000+16000) nshow ix23 iy32 moveto ( 10000+8000) bshow ix23 iy42 moveto ( 5000+4000) nshow ix23 iy52 moveto ( 2500+2000) nshow ix23 iy62 moveto ( 1250+1000) nshow ix23 iy72 moveto ( 625+500) nshow ix24 iy02 moveto (143500) nshow ix24 iy12 moveto ( 61500) nshow ix24 iy22 moveto ( 35500) nshow ix24 iy32 moveto ( 17500) bshow ix24 iy42 moveto ( 8500) nshow ix24 iy52 moveto ( 4000) nshow ix24 iy62 moveto ( 1750) nshow ix24 iy72 moveto ( 625) nshow ix25 iy02 moveto (500) nshow ix25 iy12 moveto (500) nshow ix25 iy22 moveto (500) nshow ix25 iy32 moveto (500) bshow ix25 iy42 moveto (500) nshow ix25 iy52 moveto (500) nshow ix25 iy62 moveto (500) nshow ix25 iy72 moveto (500) nshow ix26 200 sub iy02 moveto (47 (max)) nshow ix26 iy12 moveto (44) nshow ix26 iy22 moveto (42) nshow ix26 iy32 moveto (38) bshow ix26 iy42 moveto (34) nshow ix26 iy52 moveto (28) nshow ix26 iy62 moveto (21) nshow ix26 iy72 moveto (12) nshow ix27 200 sub iy02 moveto (94 (max)) nshow ix27 iy12 moveto (88) nshow ix27 iy22 moveto (84) nshow ix27 iy32 moveto (77) bshow ix27 iy42 moveto (68) nshow ix27 iy52 moveto (57) nshow ix27 iy62 moveto (43) nshow ix27 iy72 moveto (25) nshow %lines /iy01x iy01 200 add def /iy51x iy51 100 sub def /iy72x iy72 080 sub def 0 iy01x moveto 6000 0 rlineto stroke 0 iy51x moveto 6000 0 rlineto stroke 0 iy72x moveto 6000 0 rlineto stroke /iyy iy01x iy72x sub def ix12 50 sub iy01x moveto 0 iyy neg rlineto stroke ix13 50 sub iy01x moveto 0 iyy neg rlineto stroke ix14 50 sub iy01x moveto 0 iyy neg rlineto stroke ix15 50 sub iy01x moveto 0 iyy neg rlineto stroke ix16 50 sub iy01x moveto 0 iyy neg rlineto stroke ix17 50 sub iy01x moveto 0 iyy neg rlineto stroke /iyt 110 def /iyd 150 def /iy92 iy82 iyd 1 mul sub def %.... /iy102 iy82 iyd 2 mul sub def %.... /iy112 iy82 iyd 3 mul sub def %.... /iy122 iy82 iyd 4 mul sub def %.... /iy132 iy82 iyd 5 mul sub def %.... /nshow {iyt /Times-ISOL1 FS show} def /nishow {-30 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 30 35 rmoveto} def /nishow0 {-00 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 35 rmoveto} def /nishowx {-00 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 35 rmoveto} def /kshow {iyt /TimesI-ISOL1 FS show} def /bshow {iyt /TimesB-ISOL1 FS show} def /jshow {iyt /TimesBI-ISOL1 FS show} def /ishow {-30 -35 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 30 35 rmoveto} def /ishow0 {-00 -35 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 00 35 rmoveto} def /eshow { 00 050 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 00 -050 rmoveto} def /neshow { 00 050 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 -050 rmoveto} def ix20 iy82 moveto (1\051 ) bshow (The example is intended for data projectors (P). ) bshowen (Das Beispiel ist vorgesehen f\374r Daten\255Projektoren (P). ) bshowde (The standard contrast step (bold) ) bshowen (Die Norm\255Kontraststufe (fett) ) bshowde (C) jshow (Y5) ishow0 ( = 36:1 is hard to reach.) bshowen ( = 36:1 ist kaum erreichbar.) bshowde ix20 iy92 moveto (2\051 For the amount of discriminable colour steps use the equations: ) showen (2\051 F\374r die Anzahl der unterscheidbaren Farbstufen gelten die Gleichungen: ) showde (c) kshow (n) nishow0 ( = ) nshow (a) kshow (n) nishow0 (3) neshow ( or ) showen ( oder ) showde (c) kshow (l) nishow0 ( = ) nshow (a) kshow (l) nishow0 (3) neshow (, for example ) showen (, zum Beispiel ) showde (c) kshow (n) nishow0 ( = 4096 for ) showen ( = 4096 f\374r ) showde (a) kshow (n) nishow0 ( = 16.) nshow ix20 iy102 moveto (3\051 For the contrast ) showen (3\051 F\374r den Kontrast ) showde (C) kshow (Y ) nishow0 (=2:1 ) nshow (the viewing luminances of both the black in the projection ) showen (sind die gesehene Leuchtdichte von Schwarz in der Projektion ) showde (and the white standard offset paper are equal (!).) showen (und dem weissen Standardpapier gleich (!).) showde ix20 iy112 moveto ( Visual fatique caused by the adaptation luminance ratio) showen ( Visuelle Erm\374dung durch das Leuchtdichteverh\344ltnis) showde ( 36:1 of the black at the screen and the black at the paper shall be reduced.) showen ( 36:1 aller Farben auf dem Display und dem Papier sollte reduziert werden.) showde ix20 iy122 moveto ( If for example a grey screen with the CIE tristimulus value ) showen ( Wenn ein graues Display mit dem Normfarbwert ) showde (Y) kshow (Z) nishow0 ( = 22,2 (=0,25*88.9)) nshow ( is used the contrast step ) showen ( benutzt wird, dann bleibt die Kontraststufe ) showde (C) kshow (Yi) nishow0 ( remains constant.) showen ( konstant.) showde ix20 iy132 moveto ( Then the luminance ratio of all colours at the screen and the paper has reduced to 9:1. ) showen ( Das Leuchtdichteverh\344ltnis aller Farben auf Bildschirm und Papier ist auf den Faktor 9:1 ) showde (This reduces visual fatique.) showen (und die visuelle Erm\374dung reduziert.) showde } if %iout=0 %*************************************************************************** iout 1 eq {%iout=1 /ix00 20 def %text 1 /iy00 3850 def %text 2 ix00 iy00 200 add moveto (Contrast step ) bshowen (Kontraststufe ) bshowde (C) jshow (Yi) ishow0 ( (i=1 to 8), ) nshow (CIE tristimulues value ) bshowen (CIE\255Normfarbwert ) bshowde (Y) jshow (N) ishow0 (, grey steps according to ISO 9241\255306) bshowen (, Graustufen nach ISO 9241\255306) bshowde (1\051) eshow %****************************************************************************** /ix10 20 def /ix11 030 def %Contrast step /ix12 0750 def %CIE YN /ix13 1600 def %total display luminance /ix14 2550 def %projector luminance /ix15 3400 def %reflective luminance /ix16 4250 def %grey color steps, no output linearisation /ix17 5150 def %grey color steps, output linearisation /iyt1 3750 def /iy01 iyt1 def %title /iy11 iyt1 iyd 1 mul sub def %question CIE colours /iy21 iyt1 iyd 2 mul sub def %14 steps /iy31 iyt1 iyd 3 mul sub def %.... /iy41 iyt1 iyd 4 mul sub def %.... /iy51 iyt1 iyd 5 mul sub def %.... /iy61 iyt1 iyd 6 mul sub def %.... /iy71 iyt1 iyd 7 mul sub def %.... /iy81 iyt1 iyd 8 mul sub def %.... ix11 iy01 moveto (Contrast) bshowen (Kontrast\255) bshowde ix11 iy11 moveto (step) bshowen (Stufe) bshowde ( C) jshow (Yi) ishow0 ix11 iy21 moveto (and ) bshowen (und ) bshowde (Y\255) jshow ix11 iy31 moveto (ratio) bshowen (Verh\344ltnis) bshowde ix11 iy41 moveto ((i=1 .. 8)) nshow ix12 iy01 moveto (CIE tristi\255) bshowen (CIE\255Norm\255) bshowde ix12 iy11 moveto (mulus value ) bshowen (Farbwert ) bshowde ix12 iy21 moveto (Y) jshow (N) ishow0 ( and CIE) bshowen ( und CIE\255) bshowde ix12 iy31 moveto (lightness) bshowen (Helligkeit) bshowde ix12 iy41 moveto (L*) jshow (N) ishow0 ( of) bshowen ( von) bshowde ix12 iy51 moveto (black) bshowen (Schwarz) bshowde ix13 iy01 moveto (total) bshowen (totale) bshowde ix13 iy11 moveto (viewing) bshowen (gesehene) bshowde ix13 iy21 moveto (display) bshowen (Display\255Be\255) bshowde ix13 iy31 moveto (illuminance) bshowen (leuchtungs) bshowde ix13 iy41 moveto (st\344rke ) bshowde (E) jshow (P+R) ishow0 ix13 iy51 moveto ([lux]) bshow (2\051) eshow ix14 iy01 moveto (measured) bshowen (gemessene) bshowde ix14 iy11 moveto (projector) bshowen (Projektor\255) bshowde ix14 iy21 moveto ((P) display) bshowen (Display\255Be\255) bshowde ix14 iy31 moveto (illuminance) bshowen (leuchtungs\255) bshowde ix14 iy41 moveto (st\344rke ) bshowde (E) jshow (P) ishow0 ix14 iy51 moveto ([lux]) bshow (2\051) eshow ix15 iy01 moveto (room light) bshowen (Raumlicht\255) bshowde ix15 iy11 moveto ((R) display) bshowen ((R) Display\255) bshowde ix15 iy21 moveto (illuminance) bshowen (Beleuch\255) bshowde ix15 iy31 moveto (tungsst\344rke) bshowde ix15 iy41 moveto (E) jshow (R) ishow0 ix15 iy51 moveto ([lux]) bshow (2\051) eshow ix16 iy01 moveto (grey steps) bshowen (Graustufen) bshowde ix16 iy11 moveto (without) bshowen (ohne) bshowde ix16 iy21 moveto (output) bshowen (Ausgabeli\255) bshowde ix16 iy31 moveto (linearisation) bshowen (nearisierung) bshowde ix16 iy41 moveto (delta ) bshow (L*) jshow (=1) bshow ix16 iy51 moveto (amount ) bshowen (Anzahl ) bshowde (a) jshow (n) ishow0 (3\051) eshow ix17 iy01 moveto (grey steps) bshowen (Graustufen) bshowde ix17 iy11 moveto (with) bshowen (mit) bshowde ix17 iy21 moveto (output) bshowen (Ausgabeli\255) bshowde ix17 iy31 moveto (linearisation) bshowen (nearisierung) bshowde ix17 iy41 moveto (delta ) bshow (L*) jshow (=1) bshow ix17 iy51 moveto (amount ) bshowen (Anzahl ) bshowde (a) jshow (l) ishow0 (3\051) eshow %****************************************************************************** /ix20 20 def /ix21 030 def %Contrast step /ix22 0800 def %CIE YN /ix23 1600 def %display luminance /ix24 2550 200 add def %projector luminance /ix25 3400 300 add def %reflective luminance /ix26 4250 300 add def %grey color steps, no output linearisation /ix27 5150 300 add def %grey color steps, output linearisation /iyt2 2450 def /iy02 iyt2 def %C1 /iy12 iyt2 iyd 1 mul sub def %C2 /iy22 iyt2 iyd 2 mul sub def %C3 /iy32 iyt2 iyd 3 mul sub def %C4 /iy42 iyt2 iyd 4 mul sub def %.... /iy52 iyt2 iyd 5 mul sub def %.... /iy62 iyt2 iyd 6 mul sub def %.... /iy72 iyt2 iyd 7 mul sub def %.... /iy82 iyt2 iyd 8 mul sub def %.... /iy92 iyt2 iyd 9 mul sub def %.... ix21 iy02 moveto (The following example assumes that a projector produces the contrast step ) showen (Das folgende Beispiel nimmt an, dass ein Projektor die Kontraststufe ) showde (C) jshow (Y3 ) ishow0 ix21 iy12 25 add moveto (for the illuminances measured for 5 times the horizontal A4 direction (149 cm):) showen (besitzt f\374r die Beleuchtungsst\344rken gemessen in 5 mal der horizontalen A4\255Richtung (149 cm) :) showde ix21 iy22 moveto (C) jshow (Y3 ) ishow0 ( 9:1) bshow ix21 iy32 moveto (C) jshow (Y2 ) ishow0 ( 4,5:1) bshow ix21 iy42 moveto (C) jshow (Y1 ) ishow0 (2,25:1) bshow ix21 iy52 moveto (The illuminances ) showen (Die Beleuchtungsst\344rken ) showde (E) kshow (P) nishow0 ( are by the factor 4 less for 10 times the A4\255direction (298 cm):) showen ( sind um den Faktor 4 kleiner f\374r 10 mal die A4\255Richtung (298 cm):) showde ix21 iy62 moveto (C) jshow (Yx1 ) ishow0 ( 3:1) bshow (4\051) eshow ix21 iy72 moveto (C) jshow (Yx2) ishow0 (1,9:1) bshow (5\051) eshow ix22 iy02 moveto ix22 iy12 moveto ix22 iy22 moveto (10 / 38) nshow ix22 iy32 moveto (20 / 52) nshow ix22 iy42 moveto (40 / 70) nshow ix22 iy52 moveto ix22 iy62 moveto (30 / 61) nshow ix22 iy72 moveto (45 / 74) nshow ix23 iy02 moveto ix23 iy12 moveto ix23 iy22 moveto ( 2500+2000) nshow ix23 iy32 moveto ( 1250+1000) nshow ix23 iy42 moveto ( 625+500) nshow ix23 iy52 moveto ix23 iy62 moveto ( 1000+500) nshow ix23 iy72 moveto ( 438+500) nshow ix24 iy02 moveto ix24 iy12 moveto ix24 iy22 moveto ( 4000) nshow ix24 iy32 moveto ( 1750) nshow ix24 iy42 moveto ( 625) nshow ix24 iy52 moveto ix24 iy62 moveto ( 1000) nshow ix24 iy72 moveto ( 438) nshow ix25 iy02 moveto ix25 iy12 moveto ix25 iy22 moveto (500) nshow ix25 iy32 moveto (500) nshow ix25 iy42 moveto (500) nshow ix25 iy52 moveto ix25 iy62 moveto (500) nshow ix25 iy72 moveto (500) nshow ix26 iy02 moveto ix26 iy12 moveto ix26 iy22 moveto ( 28) nshow ix26 iy32 moveto ( 21) nshow ix26 iy42 moveto ( 12) nshow ix26 iy52 moveto ix26 iy62 moveto ( 17) nshow ix26 iy72 moveto ( 10) nshow ix27 iy02 moveto ix27 iy12 moveto ix27 iy22 moveto (57) nshow ix27 iy32 moveto (43) nshow ix27 iy42 moveto (25) nshow ix27 iy52 moveto ix27 iy62 moveto (34) nshow ix27 iy72 moveto (21) nshow %lines /iy01x iy01 200 add def /iy51x iy51 100 sub def /iy12x iy12 080 sub def /iy42x iy42 080 sub def /iy52x iy52 080 sub def /iy72x iy72 080 sub def 0 iy01x moveto 6000 0 rlineto stroke 0 iy51x moveto 6000 0 rlineto stroke 0 iy72x moveto 6000 0 rlineto stroke /iyy iy01x iy51x sub def ix12 50 sub iy01x moveto 0 iyy neg rlineto stroke ix13 50 sub iy01x moveto 0 iyy neg rlineto stroke ix14 50 sub iy01x moveto 0 iyy neg rlineto stroke ix15 50 sub iy01x moveto 0 iyy neg rlineto stroke ix16 50 sub iy01x moveto 0 iyy neg rlineto stroke ix17 50 sub iy01x moveto 0 iyy neg rlineto stroke /iyy iy12x iy42x sub def ix12 50 sub iy12x moveto 0 iyy neg rlineto stroke ix13 50 sub iy12x moveto 0 iyy neg rlineto stroke ix14 50 sub iy12x moveto 0 iyy neg rlineto stroke ix15 50 sub iy12x moveto 0 iyy neg rlineto stroke ix16 50 sub iy12x moveto 0 iyy neg rlineto stroke ix17 50 sub iy12x moveto 0 iyy neg rlineto stroke /iyy iy52x iy72x sub def ix12 50 sub iy52x moveto 0 iyy neg rlineto stroke ix13 50 sub iy52x moveto 0 iyy neg rlineto stroke ix14 50 sub iy52x moveto 0 iyy neg rlineto stroke ix15 50 sub iy52x moveto 0 iyy neg rlineto stroke ix16 50 sub iy52x moveto 0 iyy neg rlineto stroke ix17 50 sub iy52x moveto 0 iyy neg rlineto stroke /iyt 110 def /iyd 150 def /iy92 iy82 iyd 1 mul sub def %.... /iy102 iy82 iyd 2 mul sub def %.... /iy112 iy82 iyd 3 mul sub def %.... /iy122 iy82 iyd 4 mul sub def %.... /iy132 iy82 iyd 5 mul sub def %.... /nshow {iyt /Times-ISOL1 FS show} def /nishow {-30 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 30 35 rmoveto} def /nishow0 {-00 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 35 rmoveto} def /nishowx {-00 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 35 rmoveto} def /kshow {iyt /TimesI-ISOL1 FS show} def /bshow {iyt /TimesB-ISOL1 FS show} def /jshow {iyt /TimesBI-ISOL1 FS show} def /ishow {-30 -35 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 30 35 rmoveto} def /ishow0 {-00 -35 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 00 35 rmoveto} def /eshow { 00 050 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 00 -050 rmoveto} def /neshow { 00 050 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 -050 rmoveto} def ix20 iy82 moveto (1\051 ) bshow (The example is intended for data projectors (P). ) bshowen (Das Beispiel ist vorgesehen f\374r Daten\255Projektoren (P). ) bshowde (The standard contrast step (bold) ) bshowen (Die Norm\255Kontraststufe (fett) ) bshowde (C) jshow (Y5) ishow0 ( = 36:1 is not reached.) bshowen ( 36:1 ist nicht erreicht.) bshowde ix20 iy92 moveto (2\051 ) nshow (500 lux corresponds to the viewing luminance ) showen (500 lux entspricht der gesehenen Leuchtdichte ) showde (L) kshow (v) nishow0 (=142 cd/m) nshow (2) neshow ( for a standard white paper with the tristimulues value ) showen ( f\374r ein weisses Standardpapier mit dem Normfarbwert ) showde (Y) kshow (W) nishow0 (=88,9. ) nshow ix20 iy102 moveto (3\051 ) nshow (For the amount of discriminable colour steps use the equations: ) showen (F\374r die Anzahl der unterscheidbaren Farbstufen gelten die Gleichungen: ) showde (c) kshow (n) nishow0 ( = ) nshow (a) kshow (n) nishow0 (3) neshow ( or ) showen ( oder ) showde (c) kshow (l) nishow0 ( = ) nshow (a) kshow (l) nishow0 (3) neshow (, for example ) showen (, zum Beispiel ) showde (c) kshow (n) nishow0 ( = 4096 for ) showen ( = 4096 f\374r ) showde (a) kshow (n) nishow0 ( = 16.) nshow ix20 iy112 moveto (4\051 ) nshow (The viewing contrast ) showen (Der gesehene Kontrast ) showde (C) kshow (Yx1 ) nishow0 (= 1500:500 = 3:1 ) nshow (is larger compared to the contrast ) showen (ist gr\366\337er als der Kontrast ) showde (C) kshow (Y1 ) nishow0 (= 2,25:1. ) nshow (The contrast step is ) showen (Die gesehene Kontraststufe ist ) showde (C) kshow (Y1 ) nishow0 (= 2,25:1. ) nshow ix20 iy122 moveto (5\051 ) nshow (The viewing contrast ) showen (Der gesehene Kontrast ) showde (C) kshow (Yx2 ) nishow0 (= 938:500 = 1,9:1 ) nshow (is smaller compared to the contrast ) showen (ist kleiner als der Kontrast ) showde (C) kshow (Y1 ) nishow0 (= 2,25:1. ) nshow (A contrast step is not defined. ) showen (Eine Kontraststufe ist nicht definiert. ) showde } if %iout=1 %*************************************************************************** iout 2 eq {%iout=2 /ix00 20 def %text 1 /iy00 3850 def %text 2 ix00 iy00 200 add moveto (Contrast step ) bshowen (Kontraststufe ) bshowde (C) jshow (Yi) ishow0 ((i=1 to 8), ) nshow (CIE tristimulues value ) bshowen (CIE\255Normfarbwert ) bshowde (Y) jshow (N) ishow0 (, grey steps according to ISO 9241\255306) bshowen (, Graustufen nach ISO 9241\255306) bshowde (1\051) eshow %****************************************************************************** /ix10 20 def /ix11 030 def %Contrast step /ix12 0750 def %CIE YN /ix13 1600 def %total display luminance /ix14 2550 def %projector luminance /ix15 3400 def %reflective luminance /ix16 4250 def %grey color steps, no output linearisation /ix17 5150 def %grey color steps, output linearisation /iyt1 3750 def /iy01 iyt1 def %title /iy11 iyt1 iyd 1 mul sub def %question CIE colours /iy21 iyt1 iyd 2 mul sub def %14 steps /iy31 iyt1 iyd 3 mul sub def %.... /iy41 iyt1 iyd 4 mul sub def %.... /iy51 iyt1 iyd 5 mul sub def %.... /iy61 iyt1 iyd 6 mul sub def %.... /iy71 iyt1 iyd 7 mul sub def %.... /iy81 iyt1 iyd 8 mul sub def %.... ix11 iy01 moveto (Contrast) bshowen (Kontrast\255) bshowde ix11 iy11 moveto (step) bshowen (Stufe) bshowde ( C) jshow (Yi) ishow0 ix11 iy21 moveto (and ) bshowen (und ) bshowde (Y\255) jshow ix11 iy31 moveto (ratio) bshowen (Verh\344ltnis) bshowde ix11 iy41 moveto ((i=1 .. 8)) nshow ix12 iy01 moveto (CIE tristi\255) bshowen (CIE\255Norm\255) bshowde ix12 iy11 moveto (mulus value ) bshowen (Farbwert ) bshowde ix12 iy21 moveto (Y) jshow (N) ishow0 ( and CIE) bshowen ( und CIE\255) bshowde ix12 iy31 moveto (lightness) bshowen (Helligkeit) bshowde ix12 iy41 moveto (L*) jshow (N) ishow0 ( of) bshowen ( von) bshowde ix12 iy51 moveto (black) bshowen (Schwarz) bshowde ix13 iy01 moveto (total) bshowen (totale) bshowde ix13 iy11 moveto (viewing) bshowen (gesehene) bshowde ix13 iy21 moveto (display) bshowen (Display\255Be\255) bshowde ix13 iy31 moveto (illuminance) bshowen (leuchtungs) bshowde ix13 iy41 moveto (st\344rke ) bshowde (E) jshow (P+R) ishow0 ix13 iy51 moveto ([lux]) bshow (2\051) eshow ix14 iy01 moveto (measured) bshowen (gemessene) bshowde ix14 iy11 moveto (projector) bshowen (Projektor\255) bshowde ix14 iy21 moveto ((P) display) bshowen (Display\255Be\255) bshowde ix14 iy31 moveto (illuminance) bshowen (leuchtungs\255) bshowde ix14 iy41 moveto (st\344rke ) bshowde (E) jshow (P) ishow0 ix14 iy51 moveto ([lux]) bshow (2\051) eshow ix15 iy01 moveto (room light) bshowen (Raumlicht\255) bshowde ix15 iy11 moveto ((R) display) bshowen ((R) Display\255) bshowde ix15 iy21 moveto (illuminance) bshowen (Beleuch\255) bshowde ix15 iy31 moveto (tungsst\344rke) bshowde ix15 iy41 moveto (E) jshow (R) ishow0 ix15 iy51 moveto ([lux]) bshow (2\051) eshow ix16 iy01 moveto (grey steps) bshowen (Graustufen) bshowde ix16 iy11 moveto (without) bshowen (ohne) bshowde ix16 iy21 moveto (output) bshowen (Ausgabeli\255) bshowde ix16 iy31 moveto (linearisation) bshowen (nearisierung) bshowde ix16 iy41 moveto (delta ) bshow (L*) jshow (=1) bshow ix16 iy51 moveto (amount ) bshowen (Anzahl ) bshowde (a) jshow (n) ishow0 (2\051) eshow ix17 iy01 moveto (grey steps) bshowen (Graustufen) bshowde ix17 iy11 moveto (with) bshowen (mit) bshowde ix17 iy21 moveto (output) bshowen (Ausgabeli\255) bshowde ix17 iy31 moveto (linearisation) bshowen (nearisierung) bshowde ix17 iy41 moveto (delta ) bshow (L*) jshow (=1) bshow ix17 iy51 moveto (amount ) bshowen (Anzahl ) bshowde (a) jshow (l) ishow0 (2\051) eshow %****************************************************************************** /ix20 20 def /ix21 030 def %Contrast step /ix22 0800 def %CIE YN /ix23 1600 def %display luminance /ix24 2550 200 add def %projector luminance /ix25 3400 300 add def %reflective luminance /ix26 4250 300 add def %grey color steps, no output linearisation /ix27 5150 300 add def %grey color steps, output linearisation /iyt2 2450 def /iy02 iyt2 def %C1 /iy12 iyt2 iyd 1 mul sub def %C2 /iy22 iyt2 iyd 2 mul sub def %C3 /iy32 iyt2 iyd 3 mul sub def %C4 /iy42 iyt2 iyd 4 mul sub def %.... /iy52 iyt2 iyd 5 mul sub def %.... /iy62 iyt2 iyd 6 mul sub def %.... /iy72 iyt2 iyd 7 mul sub def %.... /iy82 iyt2 iyd 8 mul sub def %.... /iy92 iyt2 iyd 9 mul sub def %.... ix21 iy02 moveto (C) jshow (Y8 ) ishow0 ( 288:1) bshow ix21 iy12 moveto (C) jshow (Y7 ) ishow0 ( 144:1) bshow ix21 iy22 moveto (C) jshow (Y6 ) ishow0 ( 72:1) bshow ix21 iy32 moveto (C) jshow (Y5 ) ishow0 ( 36:1) bshow ix21 iy42 moveto (C) jshow (Y4 ) ishow0 ( 18:1) bshow ix21 iy52 moveto (C) jshow (Y3 ) ishow0 ( 9:1) bshow ix21 iy62 moveto (C) jshow (Y2 ) ishow0 ( 4,5:1) bshow ix21 iy72 moveto (C) jshow (Y1 ) ishow0 (2,25:1) bshow ix22 iy02 moveto (0,31 / 1) nshow ix22 iy12 moveto (0,62 / 6) nshow ix22 iy22 moveto (1,25 / 11) nshow ix22 iy32 moveto (2,5 / 18) bshow ix22 iy42 moveto (5,0 / 27) nshow ix22 iy52 moveto (10 / 38) nshow ix22 iy62 moveto (20 / 52) nshow ix22 iy72 moveto (40 / 70) nshow ix23 iy02 moveto (19200+16000) nshow ix23 iy12 moveto ( 9600+8000) nshow ix23 iy22 moveto ( 4800+4000) nshow ix23 iy32 moveto ( 2400+2000) bshow ix23 iy42 moveto ( 1200+1000) nshow ix23 iy52 moveto ( 600+500) nshow ix23 iy62 moveto ( 300+250) nshow ix23 iy72 moveto ( 150+125) nshow ix24 iy02 moveto (35075) nshow ix24 iy12 moveto (17475) nshow ix24 iy22 moveto ( 8675) nshow ix24 iy32 moveto ( 4275) bshow ix24 iy42 moveto ( 2075) nshow ix24 iy52 moveto ( 975) nshow ix24 iy62 moveto ( 425) nshow ix24 iy72 moveto ( 150) nshow ix25 iy02 moveto (125) nshow ix25 iy12 moveto (125) nshow ix25 iy22 moveto (125) nshow ix25 iy32 moveto (125) bshow ix25 iy42 moveto (125) nshow ix25 iy52 moveto (125) nshow ix25 iy62 moveto (125) nshow ix25 iy72 moveto (125) nshow ix26 200 sub iy02 moveto (47 (max)) nshow ix26 iy12 moveto (44) nshow ix26 iy22 moveto (42) nshow ix26 iy32 moveto (38) bshow ix26 iy42 moveto (34) nshow ix26 iy52 moveto (28) nshow ix26 iy62 moveto (21) nshow ix26 iy72 moveto (12) nshow ix27 200 sub iy02 moveto (94 (max)) nshow ix27 iy12 moveto (88) nshow ix27 iy22 moveto (84) nshow ix27 iy32 moveto (77) bshow ix27 iy42 moveto (68) nshow ix27 iy52 moveto (57) nshow ix27 iy62 moveto (43) nshow ix27 iy72 moveto (25) nshow %lines /iy01x iy01 200 add def /iy51x iy51 100 sub def /iy72x iy72 080 sub def 0 iy01x moveto 6000 0 rlineto stroke 0 iy51x moveto 6000 0 rlineto stroke 0 iy72x moveto 6000 0 rlineto stroke /iyy iy01x iy72x sub def ix12 50 sub iy01x moveto 0 iyy neg rlineto stroke ix13 50 sub iy01x moveto 0 iyy neg rlineto stroke ix14 50 sub iy01x moveto 0 iyy neg rlineto stroke ix15 50 sub iy01x moveto 0 iyy neg rlineto stroke ix16 50 sub iy01x moveto 0 iyy neg rlineto stroke ix17 50 sub iy01x moveto 0 iyy neg rlineto stroke /iyt 110 def /iyd 150 def /iy92 iy82 iyd 1 mul sub def %.... /iy102 iy82 iyd 2 mul sub def %.... /iy112 iy82 iyd 3 mul sub def %.... /iy122 iy82 iyd 4 mul sub def %.... /iy132 iy82 iyd 5 mul sub def %.... /nshow {iyt /Times-ISOL1 FS show} def /nishow {-30 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 30 35 rmoveto} def /nishow0 {-00 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 35 rmoveto} def /nishowx {-00 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 35 rmoveto} def /kshow {iyt /TimesI-ISOL1 FS show} def /bshow {iyt /TimesB-ISOL1 FS show} def /jshow {iyt /TimesBI-ISOL1 FS show} def /ishow {-30 -35 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 30 35 rmoveto} def /ishow0 {-00 -35 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 00 35 rmoveto} def /eshow { 00 050 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 00 -050 rmoveto} def /neshow { 00 050 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 -050 rmoveto} def ix20 iy82 moveto (1\051 ) bshow (The example is intended for data projectors (P). ) bshowen (Das Beispiel ist vorgesehen f\374r Daten\255Projektoren (P). ) bshowde (The standard contrast step (bold) ) bshowen (Die Norm\255Kontraststufe (fett) ) bshowde (C) jshow (Y5) ishow0 ( = 36:1 is hard to reach.) bshowen ( = 36:1 ist kaum erreichbar.) bshowde ix20 iy92 moveto (2\051 For the amount of discriminable colour steps use the equations: ) showen (2\051 F\374r die Anzahl der unterscheidbaren Farbstufen gelten die Gleichungen: ) showde (c) kshow (n) nishow0 ( = ) nshow (a) kshow (n) nishow0 (3) neshow ( or ) showen ( oder ) showde (c) kshow (l) nishow0 ( = ) nshow (a) kshow (l) nishow0 (3) neshow (, for example ) showen (, zum Beispiel ) showde (c) kshow (n) nishow0 ( = 4096 for ) showen ( = 4096 f\374r ) showde (a) kshow (n) nishow0 ( = 16.) nshow ix20 iy102 moveto (3\051 For the contrast ) showen (3\051 F\374r den Kontrast ) showde (C) kshow (Y ) nishow0 (=2:1 ) nshow (the viewing luminances of both the black in the projection ) showen (sind die gesehene Leuchtdichte von Schwarz in der Projektion ) showde (and the white standard offset paper are equal (!).) showen (und dem weissen Standardpapier gleich (!).) showde ix20 iy112 moveto ( Visual fatique caused by the adaptation luminance ratio) showen ( Visuelle Erm\374dung durch das Leuchtdichteverh\344ltnis) showde ( 36:1 of the black at the screen and the black at the paper shall be reduced.) showen ( 36:1 aller Farben auf dem Display und dem Papier sollte reduziert werden.) showde ix20 iy122 moveto ( If for example a grey screen with the CIE tristimulus value ) showen ( Wenn ein graues Display mit dem Normfarbwert ) showde (Y) kshow (Z) nishow0 ( = 22,2 (=0,25*88.9)) nshow ( is used the contrast step ) showen ( benutzt wird, dann bleibt die Kontraststufe ) showde (C) kshow (Yi) nishow0 ( remains constant.) showen ( konstant.) showde ix20 iy132 moveto ( Then the luminance ratio of all colours at the screen and the paper has reduced to 9:1. ) showen ( Das Leuchtdichteverh\344ltnis aller Farben auf Bildschirm und Papier ist auf den Faktor 9:1 ) showde (This reduces visual fatique.) showen (und die visuelle Erm\374dung reduziert.) showde } if %iout=2 %*************************************************************************** iout 3 eq {%iout=3 /ix00 20 def %text 1 /iy00 3850 def %text 2 ix00 iy00 200 add moveto (Contrast step ) bshowen (Kontraststufe ) bshowde (C) jshow (Yi) ishow0 ( (i=1 to 8), ) nshow (CIE tristimulues value ) bshowen (CIE\255Normfarbwert ) bshowde (Y) jshow (N) ishow0 (, grey steps according to ISO 9241\255306) bshowen (, Graustufen nach ISO 9241\255306) bshowde (1\051) eshow %****************************************************************************** /ix10 20 def /ix11 030 def %Contrast step /ix12 0750 def %CIE YN /ix13 1600 def %total display luminance /ix14 2550 def %projector luminance /ix15 3400 def %reflective luminance /ix16 4250 def %grey color steps, no output linearisation /ix17 5150 def %grey color steps, output linearisation /iyt1 3750 def /iy01 iyt1 def %title /iy11 iyt1 iyd 1 mul sub def %question CIE colours /iy21 iyt1 iyd 2 mul sub def %14 steps /iy31 iyt1 iyd 3 mul sub def %.... /iy41 iyt1 iyd 4 mul sub def %.... /iy51 iyt1 iyd 5 mul sub def %.... /iy61 iyt1 iyd 6 mul sub def %.... /iy71 iyt1 iyd 7 mul sub def %.... /iy81 iyt1 iyd 8 mul sub def %.... ix11 iy01 moveto (Contrast) bshowen (Kontrast\255) bshowde ix11 iy11 moveto (step) bshowen (Stufe) bshowde ( C) jshow (Yi) ishow0 ix11 iy21 moveto (and ) bshowen (und ) bshowde (Y\255) jshow ix11 iy31 moveto (ratio) bshowen (Verh\344ltnis) bshowde ix11 iy41 moveto ((i=1 .. 8)) nshow ix12 iy01 moveto (CIE tristi\255) bshowen (CIE\255Norm\255) bshowde ix12 iy11 moveto (mulus value ) bshowen (Farbwert ) bshowde ix12 iy21 moveto (Y) jshow (N) ishow0 ( and CIE) bshowen ( und CIE\255) bshowde ix12 iy31 moveto (lightness) bshowen (Helligkeit) bshowde ix12 iy41 moveto (L*) jshow (N) ishow0 ( of) bshowen ( von) bshowde ix12 iy51 moveto (black) bshowen (Schwarz) bshowde ix13 iy01 moveto (total) bshowen (totale) bshowde ix13 iy11 moveto (viewing) bshowen (gesehene) bshowde ix13 iy21 moveto (display) bshowen (Display\255Be\255) bshowde ix13 iy31 moveto (illuminance) bshowen (leuchtungs) bshowde ix13 iy41 moveto (st\344rke ) bshowde (E) jshow (P+R) ishow0 ix13 iy51 moveto ([lux]) bshow (2\051) eshow ix14 iy01 moveto (measured) bshowen (gemessene) bshowde ix14 iy11 moveto (projector) bshowen (Projektor\255) bshowde ix14 iy21 moveto ((P) display) bshowen (Display\255Be\255) bshowde ix14 iy31 moveto (illuminance) bshowen (leuchtungs\255) bshowde ix14 iy41 moveto (st\344rke ) bshowde (E) jshow (P) ishow0 ix14 iy51 moveto ([lux]) bshow (2\051) eshow ix15 iy01 moveto (room light) bshowen (Raumlicht\255) bshowde ix15 iy11 moveto ((R) display) bshowen ((R) Display\255) bshowde ix15 iy21 moveto (illuminance) bshowen (Beleuch\255) bshowde ix15 iy31 moveto (tungsst\344rke) bshowde ix15 iy41 moveto (E) jshow (R) ishow0 ix15 iy51 moveto ([lux]) bshow (2\051) eshow ix16 iy01 moveto (grey steps) bshowen (Graustufen) bshowde ix16 iy11 moveto (without) bshowen (ohne) bshowde ix16 iy21 moveto (output) bshowen (Ausgabeli\255) bshowde ix16 iy31 moveto (linearisation) bshowen (nearisierung) bshowde ix16 iy41 moveto (delta ) bshow (L*) jshow (=1) bshow ix16 iy51 moveto (amount ) bshowen (Anzahl ) bshowde (a) jshow (n) ishow0 (3\051) eshow ix17 iy01 moveto (grey steps) bshowen (Graustufen) bshowde ix17 iy11 moveto (with) bshowen (mit) bshowde ix17 iy21 moveto (output) bshowen (Ausgabeli\255) bshowde ix17 iy31 moveto (linearisation) bshowen (nearisierung) bshowde ix17 iy41 moveto (delta ) bshow (L*) jshow (=1) bshow ix17 iy51 moveto (amount ) bshowen (Anzahl ) bshowde (a) jshow (l) ishow0 (3\051) eshow %****************************************************************************** /ix20 20 def /ix21 030 def %Contrast step /ix22 0800 def %CIE YN /ix23 1600 def %display luminance /ix24 2550 200 add def %projector luminance /ix25 3400 300 add def %reflective luminance /ix26 4250 300 add def %grey color steps, no output linearisation /ix27 5150 300 add def %grey color steps, output linearisation /iyt2 2450 def /iy02 iyt2 def %C1 /iy12 iyt2 iyd 1 mul sub def %C2 /iy22 iyt2 iyd 2 mul sub def %C3 /iy32 iyt2 iyd 3 mul sub def %C4 /iy42 iyt2 iyd 4 mul sub def %.... /iy52 iyt2 iyd 5 mul sub def %.... /iy62 iyt2 iyd 6 mul sub def %.... /iy72 iyt2 iyd 7 mul sub def %.... /iy82 iyt2 iyd 8 mul sub def %.... /iy92 iyt2 iyd 9 mul sub def %.... ix21 iy02 moveto (The following example assumes that a projector produces the contrast step ) showen (Das folgende Beispiel nimmt an, dass ein Projektor die Kontraststufe ) showde (C) jshow (Y3 ) ishow0 ix21 iy12 25 add moveto (for the illuminances measured for 5 times the horizontal A4 direction (149 cm):) showen (besitzt f\374r die Beleuchtungsst\344rken gemessen in 5 mal der horizontalen A4\255Richtung (149 cm) :) showde ix21 iy22 moveto (C) jshow (Y4 ) ishow0 ( 36:1) bshow ix21 iy32 moveto (C) jshow (Y3 ) ishow0 ( 9:1) bshow ix21 iy42 moveto (C) jshow (Y2 ) ishow0 ( 4,5:1) bshow ix21 iy52 moveto (The illuminances ) showen (Die Beleuchtungsst\344rken ) showde (E) kshow (P) nishow0 ( are by the factor 4 less for 10 times the A4\255direction (298 cm):) showen ( sind um den Faktor 4 kleiner f\374r 10 mal die A4\255Richtung (298 cm):) showde ix21 iy62 moveto (C) jshow (Yx1 ) ishow0 ( 4:1) bshow (4\051) eshow ix21 iy72 moveto (C) jshow (Yx2) ishow0 ( 2:1) bshow (5\051) eshow ix22 iy02 moveto ix22 iy12 moveto ix22 iy22 moveto (10 / 38) nshow ix22 iy32 moveto (20 / 52) nshow ix22 iy42 moveto (40 / 70) nshow ix22 iy52 moveto ix22 iy62 moveto (30 / 61) nshow ix22 iy72 moveto (45 / 74) nshow ix23 iy02 moveto ix23 iy12 moveto ix23 iy22 moveto ( 2400+2000) nshow ix23 iy32 moveto ( 1200+1000) nshow ix23 iy42 moveto ( 600+500) nshow ix23 iy52 moveto ix23 iy62 moveto ( 1069+125) nshow ix23 iy72 moveto ( 518+125) nshow ix24 iy02 moveto ix24 iy12 moveto ix24 iy22 moveto ( 4275) nshow ix24 iy32 moveto ( 2075) nshow ix24 iy42 moveto ( 975) nshow ix24 iy52 moveto ix24 iy62 moveto ( 1069) nshow ix24 iy72 moveto ( 518) nshow ix25 iy02 moveto ix25 iy12 moveto ix25 iy22 moveto (125) nshow ix25 iy32 moveto (125) nshow ix25 iy42 moveto (125) nshow ix25 iy52 moveto ix25 iy62 moveto (125) nshow ix25 iy72 moveto (125) nshow ix26 iy02 moveto ix26 iy12 moveto ix26 iy22 moveto (38) nshow ix26 iy32 moveto (34) nshow ix26 iy42 moveto (28) nshow ix26 iy52 moveto ix26 iy62 moveto () nshow ix26 iy72 moveto () nshow ix27 iy02 moveto ix27 iy12 moveto ix27 iy22 moveto (77) nshow ix27 iy32 moveto (68) nshow ix27 iy42 moveto (57) nshow ix27 iy52 moveto ix27 iy62 moveto (34) nshow ix27 iy72 moveto (21) nshow %lines /iy01x iy01 200 add def /iy51x iy51 100 sub def /iy12x iy12 080 sub def /iy42x iy42 080 sub def /iy52x iy52 080 sub def /iy72x iy72 080 sub def 0 iy01x moveto 6000 0 rlineto stroke 0 iy51x moveto 6000 0 rlineto stroke 0 iy72x moveto 6000 0 rlineto stroke /iyy iy01x iy51x sub def ix12 50 sub iy01x moveto 0 iyy neg rlineto stroke ix13 50 sub iy01x moveto 0 iyy neg rlineto stroke ix14 50 sub iy01x moveto 0 iyy neg rlineto stroke ix15 50 sub iy01x moveto 0 iyy neg rlineto stroke ix16 50 sub iy01x moveto 0 iyy neg rlineto stroke ix17 50 sub iy01x moveto 0 iyy neg rlineto stroke /iyy iy12x iy42x sub def ix12 50 sub iy12x moveto 0 iyy neg rlineto stroke ix13 50 sub iy12x moveto 0 iyy neg rlineto stroke ix14 50 sub iy12x moveto 0 iyy neg rlineto stroke ix15 50 sub iy12x moveto 0 iyy neg rlineto stroke ix16 50 sub iy12x moveto 0 iyy neg rlineto stroke ix17 50 sub iy12x moveto 0 iyy neg rlineto stroke /iyy iy52x iy72x sub def ix12 50 sub iy52x moveto 0 iyy neg rlineto stroke ix13 50 sub iy52x moveto 0 iyy neg rlineto stroke ix14 50 sub iy52x moveto 0 iyy neg rlineto stroke ix15 50 sub iy52x moveto 0 iyy neg rlineto stroke ix16 50 sub iy52x moveto 0 iyy neg rlineto stroke ix17 50 sub iy52x moveto 0 iyy neg rlineto stroke /iyt 110 def /iyd 150 def /iy92 iy82 iyd 1 mul sub def %.... /iy102 iy82 iyd 2 mul sub def %.... /iy112 iy82 iyd 3 mul sub def %.... /iy122 iy82 iyd 4 mul sub def %.... /iy132 iy82 iyd 5 mul sub def %.... /nshow {iyt /Times-ISOL1 FS show} def /nishow {-30 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 30 35 rmoveto} def /nishow0 {-00 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 35 rmoveto} def /nishowx {-00 -35 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 35 rmoveto} def /kshow {iyt /TimesI-ISOL1 FS show} def /bshow {iyt /TimesB-ISOL1 FS show} def /jshow {iyt /TimesBI-ISOL1 FS show} def /ishow {-30 -35 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 30 35 rmoveto} def /ishow0 {-00 -35 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 00 35 rmoveto} def /eshow { 00 050 rmoveto iyt 35 sub /TimesB-ISOL1 FS show 00 -050 rmoveto} def /neshow { 00 050 rmoveto iyt 35 sub /Times-ISOL1 FS show 00 -050 rmoveto} def ix20 iy82 moveto (1\051 ) bshow (The example is intended for data projectors (P). ) bshowen (Das Beispiel ist vorgesehen f\374r Daten\255Projektoren (P). ) bshowde (The standard contrast step (bold) ) bshowen (Die Norm\255Kontraststufe (fett) ) bshowde (C) jshow (Y5) ishow0 ( = 36:1 is not reached.) bshowen ( = 36:1 ist nicht erreicht.) bshowde ix20 iy92 moveto (2\051 ) nshow (125 lux corresponds to the viewing luminance ) showen (125 lux entspricht der gesehenen Leuchtdichte ) showde (L) kshow (v) nishow0 (=35 cd/m) nshow (2) neshow ( for a standard white paper with the tristimulues value ) showen ( f\374r ein weisses Standardpapier mit dem Normfarbwert ) showde (Y) kshow (W) nishow0 (=88,9. ) nshow ix20 iy102 moveto (3\051 ) nshow (For the amount of discriminable colour steps use the equations: ) showen (F\374r die Anzahl der unterscheidbaren Farbstufen gelten die Gleichungen: ) showde (c) kshow (n) nishow0 ( = ) nshow (a) kshow (n) nishow0 (3) neshow ( or ) showen ( oder ) showde (c) kshow (l) nishow0 ( = ) nshow (a) kshow (l) nishow0 (3) neshow (, for example ) showen (, zum Beispiel ) showde (c) kshow (n) nishow0 ( = 4096 for ) showen ( = 4096 f\374r ) showde (a) kshow (n) nishow0 ( = 16.) nshow ix20 iy112 moveto (4\051 ) nshow (The viewing contrast ) showen (Der gesehene Kontrast ) showde (C) kshow (Yx1 ) nishow0 (= 1194:125 = 8,5:1 ) nshow (is larger compared to the contrast ) showen (ist gr\366\337er als der Kontrast ) showde (C) kshow (Y2 ) nishow0 (= 4,5:1. ) nshow (The contrast step is ) showen (Die gesehene Kontraststufe ist ) showde (C) kshow (Y2 ) nishow0 (= 4,5:1. ) nshow ix20 iy122 moveto (5\051 ) nshow (The viewing contrast ) showen (Der gesehene Kontrast ) showde (C) kshow (Yx2 ) nishow0 (= 643:125 = 5,1:1 ) nshow (is larger compared to the contrast ) showen (ist gr\366\337er als der Kontrast ) showde (C) kshow (Y2 ) nishow0 (= 4,5:1. ) nshow (The contrast step is ) showen (Die gesehene Kontraststufe ist ) showde (C) kshow (Y2 ) nishow0 (= 4,5:1. ) nshow } if %iout=3 %*************************************************************************** showpage grestore } for %END iout=0,3 %%Trailer