(OW TO TRAP USING !DOBE TRAPPING TECHNOLOGIES 4ABLE OF #ONTENTS )NTRODUCTION 7HAT IS TRAPPING #OMMON PRINTING PROBLEMS (OW TRAPPING SOLVES THESE PROBLEMS #OMMON TRAPPING SITUATIONS -ETHODS FOR AVOIDING REGISTER PROBLEMS
4RAPPING DETAILS 4RAPPING GRADIENTS 4HE SLIDING TRAP -ETALLIC AND SPOT COLORS 6ARNISHES AND NON PRINTING INKS )MAGES AGAINST GRADIENTS )MAGES WITH COMPLEX BACKGROUNDS )MAGES ON IMAGES 2ICH BLACK TRAPPING +EEP AWAY TRAPPING 6ECTOR TO #ONTINUOUS TONE TRAPPING 4EXT OVER #ONTINUOUS TONE IMAGES 4RAPPING CLIPPING PATHS 7HERE THIN STROKES NEED SPECIAL HANDLING
!DOBE TECHNOLOGY SOLVES TRAPPING PROBLEMS 4RAP SETTINGS 4RAP STYLES #ORNER MITERING
!DOBE TRAPPING TECHNOLOGIES AND HOW TO USE THEM !DOBE TRAPPING IN COMMON WORKFLOWS !DOBE IN 2)0 TRAPPING !DOBE 0$& 4RAPPER !DOBE THE !DOBE LOGO !DOBE03 !DOBE 4YPE -ANAGER !CROBAT !CROBAT %XCHANGE !4- $ISTILLER !DOBE )N$ESIGN® %XTREME &RAME-AKER )LLUSTRATOR )N$ESIGN 0AGE-AKER 0HOTOSHOP 0OST3CRIPT AND 0OST3CRIPT ARE !DOBE !CROBAT )N0RODUCTION® EITHER REGISTERED TRADEMARKS OR TRADEMARKS OF !DOBE 3YSTEMS )NC IN THE 5NITED 3TATES ANDOR OTHER !DOBE 0AGE-AKER® COUNTRIES -ICROSOFT 7INDOWS AND 7INDOWS .4 ARE EITHER REGISTERED TRADEMARKS OR TRADEMARKS OF -ICROSOFT #ORPORATION IN THE 5NITED 3TATES ANDOR OTHER COUNTRIES !PPLE -ACINTOSH AND 4RUE4YPE ARE TRADEMARKS OF !PPLE #OMPUTER )NC REGISTERED IN THE 5NITED 3TATES AND OTHER COUNTRIES 5.)8 IS !DOBE TECHNOLOGY PARTNERS A TRADEMARK OF THE /PEN 'ROUP !LL OTHER TRADEMARKS ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS !DOBE IN 2)0 TRAPPING PARTNERS #OPYRIGHT !DOBE 3YSTEMS )NCORPORATED !LL RIGHTS RESERVED 0RINTED IN THE 53! "# 4ABLE OF #ONTENTS )NTRODUCTION 7HAT IS TRAPPING #OMMON PRINTING PROBLEMS (OW TRAPPING SOLVES THESE PROBLEMS #OMMON TRAPPING SITUATIONS -ETHODS FOR AVOIDING REGISTER PROBLEMS
4RAPPING DETAILS 4RAPPING GRADIENTS 4HE SLIDING TRAP -ETALLIC AND SPOT COLORS 6ARNISHES AND NON PRINTING INKS )MAGES AGAINST GRADIENTS )MAGES WITH COMPLEX BACKGROUNDS )MAGES ON IMAGES 2ICH BLACK TRAPPING +EEP AWAY TRAPPING 6ECTOR TO #ONTINUOUS TONE TRAPPING 4EXT OVER #ONTINUOUS TONE IMAGES 4RAPPING CLIPPING PATHS 7HERE THIN STROKES NEED SPECIAL HANDLING
!DOBE TECHNOLOGY SOLVES TRAPPING PROBLEMS 4RAP SETTINGS 4RAP STYLES #ORNER MITERING
!DOBE TRAPPING TECHNOLOGIES AND HOW TO USE THEM !DOBE TRAPPING IN COMMON WORKFLOWS !DOBE IN 2)0 TRAPPING !DOBE 0$& 4RAPPER !DOBE THE !DOBE LOGO !DOBE03 !DOBE 4YPE -ANAGER !CROBAT !CROBAT %XCHANGE !4- $ISTILLER !DOBE )N$ESIGN® %XTREME &RAME-AKER )LLUSTRATOR )N$ESIGN 0AGE-AKER 0HOTOSHOP 0OST3CRIPT AND 0OST3CRIPT ARE !DOBE !CROBAT )N0RODUCTION® EITHER REGISTERED TRADEMARKS OR TRADEMARKS OF !DOBE 3YSTEMS )NC IN THE 5NITED 3TATES ANDOR OTHER !DOBE 0AGE-AKER® COUNTRIES -ICROSOFT 7INDOWS AND 7INDOWS .4 ARE EITHER REGISTERED TRADEMARKS OR TRADEMARKS OF -ICROSOFT #ORPORATION IN THE 5NITED 3TATES ANDOR OTHER COUNTRIES !PPLE -ACINTOSH AND 4RUE4YPE ARE TRADEMARKS OF !PPLE #OMPUTER )NC REGISTERED IN THE 5NITED 3TATES AND OTHER COUNTRIES 5.)8 IS !DOBE TECHNOLOGY PARTNERS A TRADEMARK OF THE /PEN 'ROUP !LL OTHER TRADEMARKS ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS !DOBE IN 2)0 TRAPPING PARTNERS #OPYRIGHT !DOBE 3YSTEMS )NCORPORATED !LL RIGHTS RESERVED 0RINTED IN THE 53! "# )NTRODUCTION 7HAT IS TRAPPING ! PROBLEM THAT HAS BEEN AROUND SINCE 'UTENBERGS TIME 7HEN GOOD PRESSES AND GOOD PAPER GO BAD
)N THE TH CENTURY *OHANN 'UTENBERG &ORTUNATELY MOST OF 'UTENBERGS 4HE SOPHISTICATION OF PRINTING HAS ALSO 4RAPPING IS A PREPRESS PROCEDURE THAT OUT OF REGISTER THE EDGES OF TOUCHING ORDINARILY SOPHISTICATEDTHEY MUST HAD PRESS PROBLEMS GALORE (E PRINTED PRINTING WAS DONE IN A SINGLE COLORn IMPROVED AS HAS THE NEED TO PREVENT INTRODUCES AREAS OF COLOR INTO COLOR COLORS EITHER OVERLAP CREATING AN RESOLVE EVERY POSSIBLE PRESS REGISTER FROM METAL TYPE OF HIS OWN MAKING MOST OF THE COLOR ORNAMENTATION IN PRESS REGISTER PROBLEMS BEFORE THEY SEPARATIONS 7HEN PRINTED THESE AREAS UNATTRACTIVE COLOR INTERSECTION OR THEY ERROR FOR ANY COMBINATION OF COLORS ONTO ANIMAL SKIN CALLED VELLUM 4HE HIS FAMOUS LINE BIBLE WAS ADDED BY OCCUR 4HIS IS A PROCESS OF BUILDING BETTER OBSCURE POTENTIAL REGISTER ERRORS SPREAD APART CREATING A PARTIAL OUTLINE AND PRINTING ELEMENTS PROBLEMS OF PRESS REGISTER WERE NOT ARTISANS AFTER PRINTING )F 'UTENBERG PRESSES AND PROCESSES AND BY IMPROVING OF WHITE PAPER SHOWING THROUGH 3EE UNKNOWN TO THE FAMOUS PRINTER HAD DECIDED TO PRINT HIS BREATHTAKINGLY PREVENTIVE ELEMENTS IN THE ARTWORK 4HESE ERRORS ARE USUALLY CAUSED BY THE THE ILLUSTRATION ON THE FACING PAGE BEAUTIFUL BIBLES IN MULTIPLE COLORS HE WE PREPARE FOR PRINTING /NE OF THESE PAPER SHIFTING OR CHANGING SHAPE WHILE )F THE VELLUM WAS TOO DRY IT WOULDNT WOULDNT HAVE BEEN ABLE TO KEEP THE PREVENTIVE TECHNIQUES IS THE PROCESS OF IT IS PRINTED OR BY PRESSES OR PLATES #OMPENSATING FOR REGISTER ERROR HOLD 'UTENBERGS SECRETLY FORMULATED COLORS IN REGISTER OR ACHIEVE THE QUALITY TRAPPING JOBS IN ADVANCE OF PRINTING THAT ARE OUT OF REGISTER !S A RESULT THE INVOLVES CORRECTIVE TRAPPING ELEMENTS INK 3O HE WOULD GENTLY DAMPEN THE OF ARTISTRY HE SOUGHT COLORS PRINT INCORRECTLY WHICH CAN BE SURPRISINGLY COMPLEX VELLUM JUST PRIOR TO PRINTING ON IT FOR ARTWORK CAN HAVE MANY DIFFERENT 'UTENBERG AVOIDED TRAPPING %XCESSIVE REGISTER ERROR IS EVIDENT COLORS AND TYPES OF COLOR INTERSECTIONS !S THE PAPER DRIED IT CHANGED SHAPE (IS SOLUTION TO PRESS REGISTER ERROR WHEN THE COLORS IN AN IMAGE APPEAR CAUSING SLIGHT IMPERFECTIONS IN WAS TO AVOID SITUATIONS WHERE COLOR BLURRY BUT TYPICAL REGISTER ERROR IS 4HE METHODS FOR CREATING CORRECTIVE HIS BOOKS COULD GO OUT OF REGISTER !S PRINTING MUCH MORE SUBTLE 7HEN COLORS GO TRAPPING ELEMENTS MUST BE EXTRA HAS BECOME MORE PRECISE SO HAS THE NEED TO CONTROL PAPER AND PRESS CONDITIONS AND THE PRECISION OF PLACING ONE COLOR ATOP ANOTHER WHEN PRINTING MULTIPLE COLORS
(OW TRAPPING SOLVES REGISTER PROBLEMS 4HE BACKGROUND COLOR IS SET TO MAGENTA 4HE BACKGROUND COLOR IS SET TO MAGENTA
4HE INTENDED COLOR OF THE LETTER IS SET TO CYAN 4HE INTENDED COLOR OF THE LETTER IS CYAN
)F THE PRESS GOES OUT OF REGISTER THE CYAN LETTER SHIFTS ! TRAPPING ELEMENT ADDED TO THE ILLUSTRATION SPREADS THE TO THE UPPER LEFT CREATING A PARTIAL OUTLINE OF LIGHTER COLOR CYAN INTO THE BACKGROUND )N THIS EXAMPLE WHITE PAPER SHOWING THROUGH THE TRAPPING ELEMENT IS CYAN 4HE THICKNESS OF THIS ELEMENT x AND A PARTIAL DARK BLUE OUTLINE APPEARS WHERE IS TYPICALLY VERY SMALL BUT IT IS ADEQUATE TO COVER ANY THE CYAN AND MAGENTA OVERPRINT ANTICIPATED PRESS REGISTER ERROR
4HE SIZE OF THE REGISTER ERROR AND TRAPPING CORRECTION ARE EXAGGERATED IN THESE ILLUSTRATIONS TO SHOW THE EFFECTS OF MISREGISTER AND TRAPPING
)NTRODUCTION 7HAT IS TRAPPING ! PROBLEM THAT HAS BEEN AROUND SINCE 'UTENBERGS TIME 7HEN GOOD PRESSES AND GOOD PAPER GO BAD
)N THE TH CENTURY *OHANN 'UTENBERG &ORTUNATELY MOST OF 'UTENBERGS 4HE SOPHISTICATION OF PRINTING HAS ALSO 4RAPPING IS A PREPRESS PROCEDURE THAT OUT OF REGISTER THE EDGES OF TOUCHING ORDINARILY SOPHISTICATEDTHEY MUST HAD PRESS PROBLEMS GALORE (E PRINTED PRINTING WAS DONE IN A SINGLE COLORn IMPROVED AS HAS THE NEED TO PREVENT INTRODUCES AREAS OF COLOR INTO COLOR COLORS EITHER OVERLAP CREATING AN RESOLVE EVERY POSSIBLE PRESS REGISTER FROM METAL TYPE OF HIS OWN MAKING MOST OF THE COLOR ORNAMENTATION IN PRESS REGISTER PROBLEMS BEFORE THEY SEPARATIONS 7HEN PRINTED THESE AREAS UNATTRACTIVE COLOR INTERSECTION OR THEY ERROR FOR ANY COMBINATION OF COLORS ONTO ANIMAL SKIN CALLED VELLUM 4HE HIS FAMOUS LINE BIBLE WAS ADDED BY OCCUR 4HIS IS A PROCESS OF BUILDING BETTER OBSCURE POTENTIAL REGISTER ERRORS SPREAD APART CREATING A PARTIAL OUTLINE AND PRINTING ELEMENTS PROBLEMS OF PRESS REGISTER WERE NOT ARTISANS AFTER PRINTING )F 'UTENBERG PRESSES AND PROCESSES AND BY IMPROVING OF WHITE PAPER SHOWING THROUGH 3EE UNKNOWN TO THE FAMOUS PRINTER HAD DECIDED TO PRINT HIS BREATHTAKINGLY PREVENTIVE ELEMENTS IN THE ARTWORK 4HESE ERRORS ARE USUALLY CAUSED BY THE THE ILLUSTRATION ON THE FACING PAGE BEAUTIFUL BIBLES IN MULTIPLE COLORS HE WE PREPARE FOR PRINTING /NE OF THESE PAPER SHIFTING OR CHANGING SHAPE WHILE )F THE VELLUM WAS TOO DRY IT WOULDNT WOULDNT HAVE BEEN ABLE TO KEEP THE PREVENTIVE TECHNIQUES IS THE PROCESS OF IT IS PRINTED OR BY PRESSES OR PLATES #OMPENSATING FOR REGISTER ERROR HOLD 'UTENBERGS SECRETLY FORMULATED COLORS IN REGISTER OR ACHIEVE THE QUALITY TRAPPING JOBS IN ADVANCE OF PRINTING THAT ARE OUT OF REGISTER !S A RESULT THE INVOLVES CORRECTIVE TRAPPING ELEMENTS INK 3O HE WOULD GENTLY DAMPEN THE OF ARTISTRY HE SOUGHT COLORS PRINT INCORRECTLY WHICH CAN BE SURPRISINGLY COMPLEX VELLUM JUST PRIOR TO PRINTING ON IT FOR ARTWORK CAN HAVE MANY DIFFERENT 'UTENBERG AVOIDED TRAPPING %XCESSIVE REGISTER ERROR IS EVIDENT COLORS AND TYPES OF COLOR INTERSECTIONS !S THE PAPER DRIED IT CHANGED SHAPE (IS SOLUTION TO PRESS REGISTER ERROR WHEN THE COLORS IN AN IMAGE APPEAR CAUSING SLIGHT IMPERFECTIONS IN WAS TO AVOID SITUATIONS WHERE COLOR BLURRY BUT TYPICAL REGISTER ERROR IS 4HE METHODS FOR CREATING CORRECTIVE HIS BOOKS COULD GO OUT OF REGISTER !S PRINTING MUCH MORE SUBTLE 7HEN COLORS GO TRAPPING ELEMENTS MUST BE EXTRA HAS BECOME MORE PRECISE SO HAS THE NEED TO CONTROL PAPER AND PRESS CONDITIONS AND THE PRECISION OF PLACING ONE COLOR ATOP ANOTHER WHEN PRINTING MULTIPLE COLORS
(OW TRAPPING SOLVES REGISTER PROBLEMS 4HE BACKGROUND COLOR IS SET TO MAGENTA 4HE BACKGROUND COLOR IS SET TO MAGENTA
4HE INTENDED COLOR OF THE LETTER IS SET TO CYAN 4HE INTENDED COLOR OF THE LETTER IS CYAN
)F THE PRESS GOES OUT OF REGISTER THE CYAN LETTER SHIFTS ! TRAPPING ELEMENT ADDED TO THE ILLUSTRATION SPREADS THE TO THE UPPER LEFT CREATING A PARTIAL OUTLINE OF LIGHTER COLOR CYAN INTO THE BACKGROUND )N THIS EXAMPLE WHITE PAPER SHOWING THROUGH THE TRAPPING ELEMENT IS CYAN 4HE THICKNESS OF THIS ELEMENT x AND A PARTIAL DARK BLUE OUTLINE APPEARS WHERE IS TYPICALLY VERY SMALL BUT IT IS ADEQUATE TO COVER ANY THE CYAN AND MAGENTA OVERPRINT ANTICIPATED PRESS REGISTER ERROR
4HE SIZE OF THE REGISTER ERROR AND TRAPPING CORRECTION ARE EXAGGERATED IN THESE ILLUSTRATIONS TO SHOW THE EFFECTS OF MISREGISTER AND TRAPPING
#OMMON PRINTING PROBLEMS (OW TRAPPING SOLVES THESE PROBLEMS 0RODUCTION PROCESSES CONTRIBUTE TO REGISTER ERROR 7HEN DONE CORRECTLY TRAPPING DOES ITS JOB BEHIND THE SCENES
/CCASIONALLY A PRESS PRODUCES PRINTING 0APER BOUNCE CAN CAUSE PROBLEMS 3OMETIMES THE PRESSURE OF DEADLINES 4RAPPING INTRODUCES CORRECTIVE SOPHISTICATED AND SURPRISINGLY SUBTLE PAGE DESCRIPTION WHILE VECTOR BASED THAT IS OUT OF REGISTER 2EASONS CAN 0APER THAT PRINTS OUT OF REGISTER IS OFTEN CAUSE PRESS OPERATORS TO RUN THEIR COLOR ELEMENTS TO A PRINTING JOB ! PROPERLY GENERATED ELEMENT IS THE TRAPPING PROVIDES SPEED AND HIGH INCLUDE POORLY MAINTAINED MACHINERY CAUSED BY THE SHEET HITTING THE GRIPPER MACHINES TOO FAST INCREASING THE )N THE PROCESS OF TRAPPING NEW RIGHT COLOR AND SHAPE QUALITY TRAP SHAPING MISHANDLED PRINTING PLATES MIS STOP IN THE PRESS AND BOUNCING SLIGHTLY CHANCE OF REGISTER ERROR ELEMENTS ARE ADDED TO THE COLOR MANAGED PRINTING DATA POOR RAW BACKWARD BEFORE THE GRIPPER CLOSES SEPARATIONS 7HEN PRINTED 4ODAYS CREATIVE PRINTING PROJECTS CALL #ORRECTING ERRORS SHOULDNT MATERIALS OR HUMAN ERROR 0RESS CONDITION IS ALSO A CAUSE OF PRESS THESE ELEMENTS COMPENSATE FOR FOR TRAPPING ELEMENTS THAT ARE MORE CREATE NEW PROBLEMS )N A MULTICOLOR PRESS THE SHEET IS MISREGISTER )F MACHINERY ISNT PROPERLY POTENTIAL PROBLEMS ON THE PRESS COMPLEX AND TRAPPING TECHNIQUES THAT 7HEN TRAPPING IS DONE WELL THE NEW 0APER CAN CAUSE REGISTER ERROR HANDED OFF FROM ONE PRESS UNIT TO THE MAINTAINED THE PRESS BECOMES A FACTOR ARE SUPERIOR TO THOSE USED IN THE PAST PRINTING ELEMENTS DONT SHOW AT ALL 0APER CAN CAUSE REGISTER ERROR IF IT NEXT INTRODUCING AN OPPORTUNITY FOR IN POOR REGISTER CREATING TRAPPING )N GENERAL THE AMOUNT OF ERROR EXPECTED 7ITH GRADIENTS SUPERIMPOSED IMAGES THEY lX THE PROBLEM AND REMAIN IS MANUFACTURED INCORRECTLY )F ITS PAPER BOUNCE BETWEEN EACH EXCHANGE PROBLEMS IN A QUALITY PRINTING JOB IS NO MORE THAN METALLIC INKS AND EXTRAORDINARY ESSENTIALLY INVISIBLE IN THE PROCESS AFlNITY TO WATER ISNT CONTROLLED IN )F A PRESS IS SET INCORRECTLY OR IF A PRESS HALF OF ONE HALFTONE DOT 4RAPPING COMBINATIONS OF ARTISTIC ELEMENTS PRODUCTION THE PAPER CAN CHANGE IS RUN TOO FAST FOR OPTIMUM PRINTING ELEMENTS ARE USUALLY GENERATED TO THE TRAPPING MUST BE MORE CAPABLE /VER ASSERTIVE TRAPPING ELEMENTS CAN SIZE SLIGHTLY ON THE PRESS CAUSING CONDITIONS REGISTER ERROR OCCURS MORE SAME SIZE ADDING COLOR COMPONENTS THAN EVER BEFORE !DOBE TRAPPING BECOME VISIBLE AND CREATE MORE OF A REGISTER ERROR OFTEN AND MORE READILY THAT WILL COVER OR lLL ERRORS ON PRESSn TECHNOLOGIES APPLY PRECISE VECTOR PROBLEM THAN THE PROBLEM THEY WERE IF THEY OCCUR ANALYSIS TO ALL MARKING OPERATIONS TO MEANT TO SOLVE COMBINE THE BENElTS OF RASTER AND 4RAPPING SYSTEMS INTRODUCE MICRO VECTOR BASED TRAPPING 2ASTER BASED SCOPIC ELEMENTS IN WAYS THAT ARE BOTH TRAPPING PRODUCES ACCURATE COLOR AND %!4 4HE YELLOW GOLD 4HE BLACK OBJECT OBJECT IS LIGHTER THAN IS DARKER THAN ITS !4 ITS SURROUNDING COLOR SURROUNDING COLOR ! TRAPPING ELEMENT 4HE TRAPPING ELEMENT */%3 SPREADS INTO THE IS CHOKED INTO THE DARKER COLOR DARKER COLOR
4HE YELLOW GOLD TRAPPING ELEMENT OVERPRINTS THE BACKGROUND COLOR AND PREVENTS REGISTER ERROR FROM APPEARING AS A WHITE GAP 2EGISTER PROBLEMS CAN MANIFEST THEMSELVES IN A VARIETY OF %XAMPLE SHOWS THE EFFECT OF WHITE TYPE REVERSED OUT OF WAYS )N EXAMPLE THE RED IS SET TO KNOCK OUT THE CYAN A RICH BLACK )F THE PRESS GOES OUT OF REGISTER THE LETTERS ARE 3IMPLE TRAPPING ELEMENTS ARE CALLED hSPREADSv AND hCHOKESv )F THE PRESS GOES OUT OF REGISTER THE RED OVERPRINTS THE COMPROMISED SMALL TYPE CAN BECOME ILLEGIBLE %XAMPLE )N THE EXAMPLE AT LEFT THE YELLOW GOLD OBJECT SPREADS INTO CYAN CREATING A DARK BROWN HAIRLINE ON ONE EDGE AND A SHOWS THE RELATIONSHIP BETWEEN CYAN AND YELLOW IN A THE BLACK OBJECT TO PREVENT REGISTER ERROR )N THE EXAMPLE ON WHITE HAIRLINE ON THE OTHER )N EXAMPLE THE YELLOW TEXT KNOCK OUT SITUATION )F THE PRESS GOES OUT OF REGISTER THE RIGHT THE YELLOW BACKGROUND COLOR IS CHOKED INTO THE IS DESIGNED TO KNOCK OUT THE MAGENTA )F THE PRESS GOES OUT A WHITE GAP APPEARS UP AT THE TOP OF THE SYMBOL AND A BLACK OBJECT )N BOTH CASES THE YELLOW GOLD TRAPPING ELEMENT OF REGISTER THE LETTERS TAKE ON A BROWNISH DROP SHADOW GREEN HALO APPEARS AT THE BOTTOM WOULD OVERPRINT AND IT WOULDNT BE VISIBLE AS IT IS IN THESE ILLUSTRATIONS
#OMMON PRINTING PROBLEMS (OW TRAPPING SOLVES THESE PROBLEMS 0RODUCTION PROCESSES CONTRIBUTE TO REGISTER ERROR 7HEN DONE CORRECTLY TRAPPING DOES ITS JOB BEHIND THE SCENES
/CCASIONALLY A PRESS PRODUCES PRINTING 0APER BOUNCE CAN CAUSE PROBLEMS 3OMETIMES THE PRESSURE OF DEADLINES 4RAPPING INTRODUCES CORRECTIVE SOPHISTICATED AND SURPRISINGLY SUBTLE PAGE DESCRIPTION WHILE VECTOR BASED THAT IS OUT OF REGISTER 2EASONS CAN 0APER THAT PRINTS OUT OF REGISTER IS OFTEN CAUSE PRESS OPERATORS TO RUN THEIR COLOR ELEMENTS TO A PRINTING JOB ! PROPERLY GENERATED ELEMENT IS THE TRAPPING PROVIDES SPEED AND HIGH INCLUDE POORLY MAINTAINED MACHINERY CAUSED BY THE SHEET HITTING THE GRIPPER MACHINES TOO FAST INCREASING THE )N THE PROCESS OF TRAPPING NEW RIGHT COLOR AND SHAPE QUALITY TRAP SHAPING MISHANDLED PRINTING PLATES MIS STOP IN THE PRESS AND BOUNCING SLIGHTLY CHANCE OF REGISTER ERROR ELEMENTS ARE ADDED TO THE COLOR MANAGED PRINTING DATA POOR RAW BACKWARD BEFORE THE GRIPPER CLOSES SEPARATIONS 7HEN PRINTED 4ODAYS CREATIVE PRINTING PROJECTS CALL #ORRECTING ERRORS SHOULDNT MATERIALS OR HUMAN ERROR 0RESS CONDITION IS ALSO A CAUSE OF PRESS THESE ELEMENTS COMPENSATE FOR FOR TRAPPING ELEMENTS THAT ARE MORE CREATE NEW PROBLEMS )N A MULTICOLOR PRESS THE SHEET IS MISREGISTER )F MACHINERY ISNT PROPERLY POTENTIAL PROBLEMS ON THE PRESS COMPLEX AND TRAPPING TECHNIQUES THAT 7HEN TRAPPING IS DONE WELL THE NEW 0APER CAN CAUSE REGISTER ERROR HANDED OFF FROM ONE PRESS UNIT TO THE MAINTAINED THE PRESS BECOMES A FACTOR ARE SUPERIOR TO THOSE USED IN THE PAST PRINTING ELEMENTS DONT SHOW AT ALL 0APER CAN CAUSE REGISTER ERROR IF IT NEXT INTRODUCING AN OPPORTUNITY FOR IN POOR REGISTER CREATING TRAPPING )N GENERAL THE AMOUNT OF ERROR EXPECTED 7ITH GRADIENTS SUPERIMPOSED IMAGES THEY lX THE PROBLEM AND REMAIN IS MANUFACTURED INCORRECTLY )F ITS PAPER BOUNCE BETWEEN EACH EXCHANGE PROBLEMS IN A QUALITY PRINTING JOB IS NO MORE THAN METALLIC INKS AND EXTRAORDINARY ESSENTIALLY INVISIBLE IN THE PROCESS AFlNITY TO WATER ISNT CONTROLLED IN )F A PRESS IS SET INCORRECTLY OR IF A PRESS HALF OF ONE HALFTONE DOT 4RAPPING COMBINATIONS OF ARTISTIC ELEMENTS PRODUCTION THE PAPER CAN CHANGE IS RUN TOO FAST FOR OPTIMUM PRINTING ELEMENTS ARE USUALLY GENERATED TO THE TRAPPING MUST BE MORE CAPABLE /VER ASSERTIVE TRAPPING ELEMENTS CAN SIZE SLIGHTLY ON THE PRESS CAUSING CONDITIONS REGISTER ERROR OCCURS MORE SAME SIZE ADDING COLOR COMPONENTS THAN EVER BEFORE !DOBE TRAPPING BECOME VISIBLE AND CREATE MORE OF A REGISTER ERROR OFTEN AND MORE READILY THAT WILL COVER OR lLL ERRORS ON PRESSn TECHNOLOGIES APPLY PRECISE VECTOR PROBLEM THAN THE PROBLEM THEY WERE IF THEY OCCUR ANALYSIS TO ALL MARKING OPERATIONS TO MEANT TO SOLVE COMBINE THE BENElTS OF RASTER AND 4RAPPING SYSTEMS INTRODUCE MICRO VECTOR BASED TRAPPING 2ASTER BASED SCOPIC ELEMENTS IN WAYS THAT ARE BOTH TRAPPING PRODUCES ACCURATE COLOR AND %!4 4HE YELLOW GOLD 4HE BLACK OBJECT OBJECT IS LIGHTER THAN IS DARKER THAN ITS !4 ITS SURROUNDING COLOR SURROUNDING COLOR ! TRAPPING ELEMENT 4HE TRAPPING ELEMENT */%3 SPREADS INTO THE IS CHOKED INTO THE DARKER COLOR DARKER COLOR
4HE YELLOW GOLD TRAPPING ELEMENT OVERPRINTS THE BACKGROUND COLOR AND PREVENTS REGISTER ERROR FROM APPEARING AS A WHITE GAP 2EGISTER PROBLEMS CAN MANIFEST THEMSELVES IN A VARIETY OF %XAMPLE SHOWS THE EFFECT OF WHITE TYPE REVERSED OUT OF WAYS )N EXAMPLE THE RED IS SET TO KNOCK OUT THE CYAN A RICH BLACK )F THE PRESS GOES OUT OF REGISTER THE LETTERS ARE 3IMPLE TRAPPING ELEMENTS ARE CALLED hSPREADSv AND hCHOKESv )F THE PRESS GOES OUT OF REGISTER THE RED OVERPRINTS THE COMPROMISED SMALL TYPE CAN BECOME ILLEGIBLE %XAMPLE )N THE EXAMPLE AT LEFT THE YELLOW GOLD OBJECT SPREADS INTO CYAN CREATING A DARK BROWN HAIRLINE ON ONE EDGE AND A SHOWS THE RELATIONSHIP BETWEEN CYAN AND YELLOW IN A THE BLACK OBJECT TO PREVENT REGISTER ERROR )N THE EXAMPLE ON WHITE HAIRLINE ON THE OTHER )N EXAMPLE THE YELLOW TEXT KNOCK OUT SITUATION )F THE PRESS GOES OUT OF REGISTER THE RIGHT THE YELLOW BACKGROUND COLOR IS CHOKED INTO THE IS DESIGNED TO KNOCK OUT THE MAGENTA )F THE PRESS GOES OUT A WHITE GAP APPEARS UP AT THE TOP OF THE SYMBOL AND A BLACK OBJECT )N BOTH CASES THE YELLOW GOLD TRAPPING ELEMENT OF REGISTER THE LETTERS TAKE ON A BROWNISH DROP SHADOW GREEN HALO APPEARS AT THE BOTTOM WOULD OVERPRINT AND IT WOULDNT BE VISIBLE AS IT IS IN THESE ILLUSTRATIONS
#OMMON TRAPPING SITUATIONS -ETHODS FOR AVOIDING REGISTER PROBLEMS 7HY TRAPPING IS IMPORTANT ! NUMBER OF ROUTES TO A TRAP FREE PROJECT
#OLORS THAT TOUCH USUALLY 4HE FOUR COMMON PROCESS COLORS $ESIGNING AROUND TRAPPING !VOIDING TRAPPING REQUIRES CARE ALL POTENTIAL REGISTER ERRORS WITH A 4HIS TECHNIQUE HAS SEVERAL ADVANTAGES REQUIRE TRAPPING IN COMMERCIAL PRINTING ARE CYAN 0ROJECTS DESIGNED TO BE PRINTED #LEVER DESIGNERS CAN AVOID THE PERILS RELATIVELY THICK LINE OF BLACK INK $ESIGN IS EASY TRAPPING CONCERNS ARE #OLORS THAT TOUCH CREATE TRAPPING MAGENTA YELLOW AND BLACK 4HESE WITHOUT TRAPPING ARE MADE SO THAT OF PRESS MISREGISTER BY DESIGNING 4HIS TECHNIQUE IS STILL USED TO AVOID ELIMINATED AND PROCESSING TIME RISKS IF THE PRESS GOES OUT OF REGISTER FOUR COLORS CAN PRODUCE MILLIONS OF COLORS DONT TOUCH OR IF THEY DO PROJECTS THAT DONT REQUIRE TRAPPING REGISTER ERROR IS REDUCED $EPENDING ON THE COLORS AND THEIR COMBINED COLORS /FTEN THE ARTWORK THEY SHARE A COMMON PALETTE INTENSITY A TRAPPING SYSTEM WILL MAY REQUIRE TWO OR THREE OF THE /NE COMMON METHOD FOR AVOIDING #OMMON COLOR PALETTES 7HEN PROPERLY PLANNED COMMON GENERATE A NEW PRINTING ELEMENT PROCESS COLORS TO BE PRINTED ATOP 4O AVOID TRAPPING IT IS A RELATIVELY EASY REGISTER ERROR IS TO DESIGN PROJECTS !NOTHER METHOD TO AVOID REGISTER COLOR PALETTES CAN BE ATTRACTIVE AND THEY TO COMPENSATE FOR POTENTIAL OR ADJACENT TO ONE ANOTHER BUT JOBS DESIGNED THIS WAY LACK THE WHERE COLORS DONT MEET OR OVERLAP PROBLEMS IS TO USE COLOR PALETTES THAT PROVIDE AN ACCEPTABLE BUT COMPLEX REGISTER ERROR BENElTS OF A FULL COLOR PRINTED PROJECT 4HIS TECHNIQUE CREATES A SERIOUS CONTAIN A SMALL PERCENTAGE OF THE SOLUTION TO PRESS MISREGISTER RISKS %VEN THE lNEST PRINTING CONSTRAINT TO DESIGN OTHER COLORS IN A DESIGN &OR EXAMPLE 7HERE SIMILAR COLORS TOUCH TRAPPING NEEDS TRAPPING WHERE YELLOW AND CYAN TOUCH A CYAN ISNT NECESSARY BUT COLORS THAT ARE 2ARELY DOES A JOB NEED NO TRAPPING h#OMIC BOOK STYLEv ART LOOKS LIKE YELLOW TRAP ELEMENT IS NEEDED BUT PRINTED BY THE DIFFERENT UNITS OF A AT ALL A COMIC BOOK WITH A COMMON COLOR PALETTE "Y PRINTING PRESS ARE PRONE TO PRINT h#OMIC BOOK STYLEv REPRESENTS A CLASSIC ADDING PERCENT YELLOW TO THE CYAN OUT OF REGISTER AND ARE THE TARGETS %VEN TODAYS MODERN PRESSES CANNOT METHOD FOR AVOIDING REGISTER ERROR IN A CUSTOM PALETTE TRAPPING BECOMES FOR CORRECTIVE TRAPPING ELEMENTS HOLD PERFECT REGISTERA SMALL AMOUNT 3INCE THE S ARTISTS HAVE USED UNNECESSARY BECAUSE THE COLORS HAVE OF REGISTER ERROR CAN OCCUR IN NORMAL A METHOD CALLED BLACK TRAP TO COVER THE PERCENT YELLOW IN COMMON PRINTING
!#-% 0!).4 #/-0!.9 !#-% 0!).4 #/-0!.9
4HE ILLUSTRATION ON THE LEFT USES SOLIDS AND TINTS COMMON COLOR PALETTES IS THE LIMITED NUMBER OF PROCESS COLORS AND HAS MANY OPPORTUNITIES OF COLOR CHOICES AVAILABLE IN THE PALETTE 4HIS h#OMIC BOOK STYLEv USES A BLACK OUTLINE TO TRAP ALL COLOR FOR REGISTER ERROR 4HE ILLUSTRATION ON THE RIGHT IS A COMPLEX SOLUTION TO A PROBLEM THAT CAN BE ELEMENTS 7HEN BLACK OVERPRINTS IT PREVENTS REGISTER ERRORS USES A PALETTE WHERE EACH COLOR CONTAINS AT SOLVED MORE EASILY AND EFFECTIVELY WITH !DOBE FROM SHOWING 4HIS SOLUTION IS PERFECT FOR SOME TYPES OF LEAST OF THE ADJACENT COLORS IT REQUIRES TRAPPING TECHNOLOGY ARTWORK THOUGH INAPPROPRIATE FOR MORE COMMON ILLUSTRATIONS NO TRAPPING 4HE CHALLENGE OF WORKING WITH AND TEXT
#OMMON TRAPPING SITUATIONS -ETHODS FOR AVOIDING REGISTER PROBLEMS 7HY TRAPPING IS IMPORTANT ! NUMBER OF ROUTES TO A TRAP FREE PROJECT
#OLORS THAT TOUCH USUALLY 4HE FOUR COMMON PROCESS COLORS $ESIGNING AROUND TRAPPING !VOIDING TRAPPING REQUIRES CARE ALL POTENTIAL REGISTER ERRORS WITH A 4HIS TECHNIQUE HAS SEVERAL ADVANTAGES REQUIRE TRAPPING IN COMMERCIAL PRINTING ARE CYAN 0ROJECTS DESIGNED TO BE PRINTED #LEVER DESIGNERS CAN AVOID THE PERILS RELATIVELY THICK LINE OF BLACK INK $ESIGN IS EASY TRAPPING CONCERNS ARE #OLORS THAT TOUCH CREATE TRAPPING MAGENTA YELLOW AND BLACK 4HESE WITHOUT TRAPPING ARE MADE SO THAT OF PRESS MISREGISTER BY DESIGNING 4HIS TECHNIQUE IS STILL USED TO AVOID ELIMINATED AND PROCESSING TIME RISKS IF THE PRESS GOES OUT OF REGISTER FOUR COLORS CAN PRODUCE MILLIONS OF COLORS DONT TOUCH OR IF THEY DO PROJECTS THAT DONT REQUIRE TRAPPING REGISTER ERROR IS REDUCED $EPENDING ON THE COLORS AND THEIR COMBINED COLORS /FTEN THE ARTWORK THEY SHARE A COMMON PALETTE INTENSITY A TRAPPING SYSTEM WILL MAY REQUIRE TWO OR THREE OF THE /NE COMMON METHOD FOR AVOIDING #OMMON COLOR PALETTES 7HEN PROPERLY PLANNED COMMON GENERATE A NEW PRINTING ELEMENT PROCESS COLORS TO BE PRINTED ATOP 4O AVOID TRAPPING IT IS A RELATIVELY EASY REGISTER ERROR IS TO DESIGN PROJECTS !NOTHER METHOD TO AVOID REGISTER COLOR PALETTES CAN BE ATTRACTIVE AND THEY TO COMPENSATE FOR POTENTIAL OR ADJACENT TO ONE ANOTHER BUT JOBS DESIGNED THIS WAY LACK THE WHERE COLORS DONT MEET OR OVERLAP PROBLEMS IS TO USE COLOR PALETTES THAT PROVIDE AN ACCEPTABLE BUT COMPLEX REGISTER ERROR BENElTS OF A FULL COLOR PRINTED PROJECT 4HIS TECHNIQUE CREATES A SERIOUS CONTAIN A SMALL PERCENTAGE OF THE SOLUTION TO PRESS MISREGISTER RISKS %VEN THE lNEST PRINTING CONSTRAINT TO DESIGN OTHER COLORS IN A DESIGN &OR EXAMPLE 7HERE SIMILAR COLORS TOUCH TRAPPING NEEDS TRAPPING WHERE YELLOW AND CYAN TOUCH A CYAN ISNT NECESSARY BUT COLORS THAT ARE 2ARELY DOES A JOB NEED NO TRAPPING h#OMIC BOOK STYLEv ART LOOKS LIKE YELLOW TRAP ELEMENT IS NEEDED BUT PRINTED BY THE DIFFERENT UNITS OF A AT ALL A COMIC BOOK WITH A COMMON COLOR PALETTE "Y PRINTING PRESS ARE PRONE TO PRINT h#OMIC BOOK STYLEv REPRESENTS A CLASSIC ADDING PERCENT YELLOW TO THE CYAN OUT OF REGISTER AND ARE THE TARGETS %VEN TODAYS MODERN PRESSES CANNOT METHOD FOR AVOIDING REGISTER ERROR IN A CUSTOM PALETTE TRAPPING BECOMES FOR CORRECTIVE TRAPPING ELEMENTS HOLD PERFECT REGISTERA SMALL AMOUNT 3INCE THE S ARTISTS HAVE USED UNNECESSARY BECAUSE THE COLORS HAVE OF REGISTER ERROR CAN OCCUR IN NORMAL A METHOD CALLED BLACK TRAP TO COVER THE PERCENT YELLOW IN COMMON PRINTING
!#-% 0!).4 #/-0!.9 !#-% 0!).4 #/-0!.9
4HE ILLUSTRATION ON THE LEFT USES SOLIDS AND TINTS COMMON COLOR PALETTES IS THE LIMITED NUMBER OF PROCESS COLORS AND HAS MANY OPPORTUNITIES OF COLOR CHOICES AVAILABLE IN THE PALETTE 4HIS h#OMIC BOOK STYLEv USES A BLACK OUTLINE TO TRAP ALL COLOR FOR REGISTER ERROR 4HE ILLUSTRATION ON THE RIGHT IS A COMPLEX SOLUTION TO A PROBLEM THAT CAN BE ELEMENTS 7HEN BLACK OVERPRINTS IT PREVENTS REGISTER ERRORS USES A PALETTE WHERE EACH COLOR CONTAINS AT SOLVED MORE EASILY AND EFFECTIVELY WITH !DOBE FROM SHOWING 4HIS SOLUTION IS PERFECT FOR SOME TYPES OF LEAST OF THE ADJACENT COLORS IT REQUIRES TRAPPING TECHNOLOGY ARTWORK THOUGH INAPPROPRIATE FOR MORE COMMON ILLUSTRATIONS NO TRAPPING 4HE CHALLENGE OF WORKING WITH AND TEXT
4RAPPING DETAILS 4RAPPING DETAILS 4RAPPING DETAILS 'RADIENTS PRESENT REAL CHALLENGES FOR ANY TRAPPING TECHNOLOGY .OVEL COLOR AND IMAGE COMBINATIONS
'RADIENTS 'RADIENTS ON GRADIENTS UNIQUE TO !DOBE TRAPPING TECHNOLOGY -ETALLIC AND SPOT COLORS TRAPPING TECHNOLOGY CREATES TRAPS )MAGES AGAINST GRADIENTS 'RADIENTS CHALLENGE ANY TRAPPING ! GRADIENT AGAINST A SOLID COLOR IS AND IT SIGNIlCANTLY IMPROVES STATE OF #URIOUSLY SOME OF THE MOST CELEBRATED BETWEEN THESE INKS BASED ON SUPPLIED 4HE CAPABILITIES OF A SOPHISTICATED SYSTEM BECAUSE THE COLORS AND THEIR REASONABLY EASY TO TRAP 5SUALLY IT IS THE ART TRAPPING TECHNOLOGY TRAPPING SOLUTIONS IN THE GRAPHIC ARTS KNOWLEDGE OF THE ORDER IN WHICH THE TRAPPING SYSTEM ARE PUT TO THE TEST VALUES CHANGE WITHIN THE ART AND THE TRAPPED WITH A LINE OF THE UNCHANGING INDUSTRY CANNOT ANALYZE AND TRAP NON INKS ARE PRINTED 4HIS PROCESS ASSURES WHEN AN IMAGE IS FLOATED OVER A RELATIONSHIP BETWEEN THE GRADIENT AND COLOR "UT IF TWO GRADIENTS OVERLAP THE PROCESS COLORS SUCCESSFULLY THAT TRAPS SPREAD IN THE DIRECTION THAT GRADIENTnOR VICE VERSA ! SOPHISTICATED ITS BACKGROUND CHANGES CONTINUOUSLY CHALLENGE IS MUCH GREATER 4HE LIGHTER RETAINS THE SHAPE OF THE ORIGINAL DESIGN TRAPPING SYSTEM WILL ANALYZE THE COLORS COLOR WILL CHANGE AS THE GRADIENTS )F A SPOT COLOR OR METALLIC COLOR IS ON EACH SIDE OF THE INTERSECTION AT "EFORE ELECTRONIC PREPRESS TECHNOLOGIES INTERACT INTRODUCED INTO A DESIGN IT CREATES A 6ARNISHES AND NON PRINTING INKS EVERY POINT AND THEN CREATE A TRAP COLOR EXISTED THIS PARTICULAR PROBLEM WOULD SPECIAL CIRCUMSTANCE THAT CHALLENGES 3OME PRINTING JOBS INCLUDE VARNISHES THAT VARIES TO ACCOMMODATE THE COLOR HAVE BEEN INSOLVABLE OR IT WOULD HAVE 4HE SLIDING TRAP TRAPPING TECHNOLOGIES AND CAUSES MOST WHICH MAY COVER ALL OR A PORTION OF A CHANGES !DOBE TRAPPING TECHNOLOGY BEEN SOLVED WITH CRUDE TECHNIQUES !DOBE TRAPPING TECHNOLOGIES USE TO FAIL -ANY FULLY AUTOMATED PROCESSES PAGE OR OTHER TRANSPARENT OR SPECIAL DOES JUST THAT AND IT PLACES THE TRAP TO 7ITH !DOBE TRAPPING TECHNOLOGIES A SOPHISTICATED TRAPPING ELEMENT ! TRADITIONAL TRAP ABOVE IS ABRUPT AND CALLS DEFAULT INSTEAD TO A NO TRAP INTERSECTION INKS THAT DONT NEED TRAPPING SUCH STRADDLE THE EDGE SMOOTHLY OR IT PLACES GRADIENTS CAN BE TRAPPED EFFECTIVELY CALLED A SLIDING TRAP TO TRAP COMPLEX ATTENTION TO ITSELF ! SLIDING TRAP BELOW IS BETWEEN THE SPOT OR METALLIC COLORS AS THOSE USED FOR DESIGNATING DIE THE TRAP ACCORDING TO CUSTOM SETTINGS EASILY AND SUCCESSFULLY GRADIENTS 4HIS TRAPPING ELEMENT IS MUCH MORE SUBTLE AND EFFECTIVE AND OTHER ELEMENTS IN THE DESIGN CUTS !DOBE TRAPPING TECHNOLOGY ALLOWS SUCH INKS TO BE DESIGNATED AS )F DESIGNS INCLUDE OPAQUE INKS TRANSPARENT )T THEN IGNORES TRANS LIKE METALLIC INKS A FULLY CAPABLE PARENT COLORS WHEN CREATING TRAPS TRAPPING SOLUTION SUCH AS !DOBE
0ROCESS #OLOR "LEND
3POT #OLOR "LEND
)N THE GRADIENTS SHOWN HERE THE CHALLENGE IS TO TRAP TWO THAT FOLLOWS THE YELLOW GRADIENT 4HIS TYPE OF TRAP IS COLORS WHERE THE VALUE OF EACH COLOR CHANGES CONTINUOUSLY EXCEPTIONALLY DIFlCULT BUT !DOBE TRAPPING TECHNOLOGIES 4HE EXAMPLE ON THE LEFT WILL ELUDE MOST TRAPPING SYSTEMSn )N THE EXAMPLE ON THE RIGHT THE IMAGE IS TO BE TRAPPED INTO A )N THE UPPER EXAMPLE FOUR DIFFERENT GRADIENTS MUST HANDLE THESE SITUATIONS WITH EASE 4HE TRAP ELEMENTS ARE TRAPPING A PROCESS COLOR GRADIENT INTO A SPOT COLOR GRADIENT PROCESS COLOR GRADIENT !DOBE TRAPPING TECHNOLOGIES HANDLE BE TRAPPED AGAINST EACH OTHER WITH DYNAMIC TRAPPING EXAGGERATED IN THESE ILLUSTRATIONS 4RAPPING COMPLEX IMAGES INTO GRADIENT BACKGROUNDS POSES ONE OF BOTH EASILY ELEMENTS 4HE LOWER EXAMPLE REQUIRES A GRADIENT TRAP THE GREATEST CHALLENGES TO A TRAPPING TECHNOLOGY
4RAPPING DETAILS 4RAPPING DETAILS 'RADIENTS PRESENT REAL CHALLENGES FOR ANY TRAPPING TECHNOLOGY .OVEL COLOR AND IMAGE COMBINATIONS
'RADIENTS 'RADIENTS ON GRADIENTS UNIQUE TO !DOBE TRAPPING TECHNOLOGY -ETALLIC AND SPOT COLORS TRAPPING TECHNOLOGY CREATES TRAPS )MAGES AGAINST GRADIENTS 'RADIENTS CHALLENGE ANY TRAPPING ! GRADIENT AGAINST A SOLID COLOR IS AND IT SIGNIlCANTLY IMPROVES STATE OF #URIOUSLY SOME OF THE MOST CELEBRATED BETWEEN THESE INKS BASED ON SUPPLIED 4HE CAPABILITIES OF A SOPHISTICATED SYSTEM BECAUSE THE COLORS AND THEIR REASONABLY EASY TO TRAP 5SUALLY IT IS THE ART TRAPPING TECHNOLOGY TRAPPING SOLUTIONS IN THE GRAPHIC ARTS KNOWLEDGE OF THE ORDER IN WHICH THE TRAPPING SYSTEM ARE PUT TO THE TEST VALUES CHANGE WITHIN THE ART AND THE TRAPPED WITH A LINE OF THE UNCHANGING INDUSTRY CANNOT ANALYZE AND TRAP NON INKS ARE PRINTED 4HIS PROCESS ASSURES WHEN AN IMAGE IS FLOATED OVER A RELATIONSHIP BETWEEN THE GRADIENT AND COLOR "UT IF TWO GRADIENTS OVERLAP THE PROCESS COLORS SUCCESSFULLY THAT TRAPS SPREAD IN THE DIRECTION THAT GRADIENTnOR VICE VERSA ! SOPHISTICATED ITS BACKGROUND CHANGES CONTINUOUSLY CHALLENGE IS MUCH GREATER 4HE LIGHTER RETAINS THE SHAPE OF THE ORIGINAL DESIGN TRAPPING SYSTEM WILL ANALYZE THE COLORS COLOR WILL CHANGE AS THE GRADIENTS )F A SPOT COLOR OR METALLIC COLOR IS ON EACH SIDE OF THE INTERSECTION AT "EFORE ELECTRONIC PREPRESS TECHNOLOGIES INTERACT INTRODUCED INTO A DESIGN IT CREATES A 6ARNISHES AND NON PRINTING INKS EVERY POINT AND THEN CREATE A TRAP COLOR EXISTED THIS PARTICULAR PROBLEM WOULD SPECIAL CIRCUMSTANCE THAT CHALLENGES 3OME PRINTING JOBS INCLUDE VARNISHES THAT VARIES TO ACCOMMODATE THE COLOR HAVE BEEN INSOLVABLE OR IT WOULD HAVE 4HE SLIDING TRAP TRAPPING TECHNOLOGIES AND CAUSES MOST WHICH MAY COVER ALL OR A PORTION OF A CHANGES !DOBE TRAPPING TECHNOLOGY BEEN SOLVED WITH CRUDE TECHNIQUES !DOBE TRAPPING TECHNOLOGIES USE TO FAIL -ANY FULLY AUTOMATED PROCESSES PAGE OR OTHER TRANSPARENT OR SPECIAL DOES JUST THAT AND IT PLACES THE TRAP TO 7ITH !DOBE TRAPPING TECHNOLOGIES A SOPHISTICATED TRAPPING ELEMENT ! TRADITIONAL TRAP ABOVE IS ABRUPT AND CALLS DEFAULT INSTEAD TO A NO TRAP INTERSECTION INKS THAT DONT NEED TRAPPING SUCH STRADDLE THE EDGE SMOOTHLY OR IT PLACES GRADIENTS CAN BE TRAPPED EFFECTIVELY CALLED A SLIDING TRAP TO TRAP COMPLEX ATTENTION TO ITSELF ! SLIDING TRAP BELOW IS BETWEEN THE SPOT OR METALLIC COLORS AS THOSE USED FOR DESIGNATING DIE THE TRAP ACCORDING TO CUSTOM SETTINGS EASILY AND SUCCESSFULLY GRADIENTS 4HIS TRAPPING ELEMENT IS MUCH MORE SUBTLE AND EFFECTIVE AND OTHER ELEMENTS IN THE DESIGN CUTS !DOBE TRAPPING TECHNOLOGY ALLOWS SUCH INKS TO BE DESIGNATED AS )F DESIGNS INCLUDE OPAQUE INKS TRANSPARENT )T THEN IGNORES TRANS LIKE METALLIC INKS A FULLY CAPABLE PARENT COLORS WHEN CREATING TRAPS TRAPPING SOLUTION SUCH AS !DOBE
0ROCESS #OLOR "LEND
3POT #OLOR "LEND
)N THE GRADIENTS SHOWN HERE THE CHALLENGE IS TO TRAP TWO THAT FOLLOWS THE YELLOW GRADIENT 4HIS TYPE OF TRAP IS COLORS WHERE THE VALUE OF EACH COLOR CHANGES CONTINUOUSLY EXCEPTIONALLY DIFlCULT BUT !DOBE TRAPPING TECHNOLOGIES 4HE EXAMPLE ON THE LEFT WILL ELUDE MOST TRAPPING SYSTEMSn )N THE EXAMPLE ON THE RIGHT THE IMAGE IS TO BE TRAPPED INTO A )N THE UPPER EXAMPLE FOUR DIFFERENT GRADIENTS MUST HANDLE THESE SITUATIONS WITH EASE 4HE TRAP ELEMENTS ARE TRAPPING A PROCESS COLOR GRADIENT INTO A SPOT COLOR GRADIENT PROCESS COLOR GRADIENT !DOBE TRAPPING TECHNOLOGIES HANDLE BE TRAPPED AGAINST EACH OTHER WITH DYNAMIC TRAPPING EXAGGERATED IN THESE ILLUSTRATIONS 4RAPPING COMPLEX IMAGES INTO GRADIENT BACKGROUNDS POSES ONE OF BOTH EASILY ELEMENTS 4HE LOWER EXAMPLE REQUIRES A GRADIENT TRAP THE GREATEST CHALLENGES TO A TRAPPING TECHNOLOGY
4RAPPING DETAILS 4RAPPING DETAILS 3OME DESIGN ELEMENTS NEED SPECIAL TRAPPING 2ICH BLACK TRAPPING
)MAGES WITH COMPLEX )MAGES ON IMAGES 4HIS TRAPPING ELEMENT IS DETERMINED ! TECHNIQUE FOR PRINTING BLACK OFTEN v+EEP AWAYv TRAPPING !DOBE TRAPPING SYSTEMS CREATE BACKGROUNDS &LOATING IMAGES ATOP OTHER IMAGES BY AN ANALYSIS OF THE PIXEL VALUES ALONG INCLUDES CREATING A RICH BLACK OR A OR A ! PROBLEM ARISES HOWEVER WHEN COPY EFFECTIVE RICH BLACK TRAPS )N THE PAST EFFECTIVE TRAPPING WOULD CREATES A SURPRISINGLY COMPLEX THE INTERSECTION 4HEN THE TRAPPING SUPER BLACKnA COMBINATION OF BLACK nA COMBINATION OF BLACK IS REVERSED OUT ALSO CALLED KNOCKED ! SOPHISTICATED TRAPPING SOLUTION HAVE BEEN NEARLY IMPOSSIBLE WHEN SITUATION FOR A TRAPPING TECHNOLOGY ELEMENT IS GENERATED TO PREVENT AND A PERCENTAGE OF ONE OR MORE OF THE OUT OF A RICH BLACK COLOR )F THE PRESS IS NEEDED TO CREATE SUCH KEEP AWAY OVERPRINTING A COLOR PHOTO ON A COMPLEX 7ITH !DOBE TRAPPING TECHNOLOGIES PRESS TROUBLE WITHOUT CALLING UNDUE OTHER PROCESS COLORS OR PAPER GO SLIGHTLY OUT OF REGISTER ONE TRAPS IN ALL POSSIBLE CIRCUMSTANCES BACKGROUND 4HE COMMON PREPRESS IT IS NOW EASY TO DO A BETTER JOB ATTENTION TO ITSELF OR MORE OF THE COMPONENT COLORS CAN AND !DOBE TRAPPING TECHNOLOGY METHOD WOULD HAVE BEEN TO KNOCK THE 4HE TRAPPING SYSTEM ANALYZES THE 2ICH BLACKS hPEEKv OUT FROM BEHIND THE BLACK CAN GENERATE SUCH ELEMENTS FOR ANY PHOTO OUT OF THE BACKGROUND AND THEN INTERSECTIONS BETWEEN THE IMAGES 0LACING TINTS OF COLORS UNDER BLACK PRINTING SITUATION PRINT THE PHOTO IN THE KNOCK OUT AND CREATES A CORRECTLY COLORED TRAPPING MAKES THE BLACK APPEAR RICHER 4HE 4O AVOID THIS PROBLEM CAPABLE TRAPPING ELEMENT TO PREVENT REGISTER ERROR FROM TINT AND INTENSITY OF A RICH BLACK CAN SYSTEMS CREATE A KEEP AWAY TRAP TRAP 7ITH !DOBE TRAPPING TECHNOLOGIES SHOWING ON THE PRINTED SHEET BE ADJUSTED TO SUIT THE DESIGN OR PRESS WHERE THE ARTWORK IS REVERSED OUT OF A PHOTO CAN FLOAT OVER ANY COMBI CRITERIA 0UTTING TINTS OF COLORS UNDER THE BLACK AT FINAL SIZE WHILE ANY NATION OF GRAPHIC ELEMENTS 4HE BLACK MAKES THE BLACK APPEAR RICHER COMPONENT COLORS ARE SPREAD AWAY NECESSARY TRAPPING ELEMENTS PREVENT AND CAN BE MORE ATTRACTIVE IN A FROM THE KNOCKED OUT BLACK 4HE UNATTRACTIVE INTERSECTIONS IF THE PRESS PROJECT DESIGN RESULTING KNOCK OUT IS MORE TOLERANT GOES OUT OF REGISTER OF REGISTER ERROR
)F ARTWORK IS REVERSED OUT OF A RICH BLACK AND THE PRESS hKEEP AWAYv TRAP EXAMPLE ON RIGHT WHERE COLORS OTHER GOES OUT OF REGISTER ONE OR MORE OF THE COMPONENT COLORS THAN THE TOPMOST COLOR ARE PRINTED AWAY FROM THE DElNING )F A CONTINUOUS TONE IMAGE FLOATS OVER A COMPLEX INTO ACCOUNT AND THE TRAP ELEMENT CREATED MUST CAN hPEEKv OUT OF THE REVERSE EXAMPLE ON LEFT AFFECTING COLOR )N THIS EXAMPLE THE CYAN IS HELD BACK FROM THE EDGE BACKGROUND THE CHALLENGE OF TRAPPING IS COM BE EFFECTIVE AND SUBTLE 4HE TRAP ELEMENTS ARE ITS APPEARANCE 4HE SOLUTION TO RICH BLACK TRAPPING IS THE OF THE BLACK POUNDED )F AN IMAGE OVERLAYS ANOTHER IMAGE EXAGGERATED IN THESE ILLUSTRATIONS THE SITUATION IS SIMILAR 4RAPPING ELEMENTS MUST TAKE BOTH FOREGROUND COLOR AND TONAL VALUES
4RAPPING DETAILS 4RAPPING DETAILS 3OME DESIGN ELEMENTS NEED SPECIAL TRAPPING 2ICH BLACK TRAPPING
)MAGES WITH COMPLEX )MAGES ON IMAGES 4HIS TRAPPING ELEMENT IS DETERMINED ! TECHNIQUE FOR PRINTING BLACK OFTEN v+EEP AWAYv TRAPPING !DOBE TRAPPING SYSTEMS CREATE BACKGROUNDS &LOATING IMAGES ATOP OTHER IMAGES BY AN ANALYSIS OF THE PIXEL VALUES ALONG INCLUDES CREATING A RICH BLACK OR A OR A ! PROBLEM ARISES HOWEVER WHEN COPY EFFECTIVE RICH BLACK TRAPS )N THE PAST EFFECTIVE TRAPPING WOULD CREATES A SURPRISINGLY COMPLEX THE INTERSECTION 4HEN THE TRAPPING SUPER BLACKnA COMBINATION OF BLACK nA COMBINATION OF BLACK IS REVERSED OUT ALSO CALLED KNOCKED ! SOPHISTICATED TRAPPING SOLUTION HAVE BEEN NEARLY IMPOSSIBLE WHEN SITUATION FOR A TRAPPING TECHNOLOGY ELEMENT IS GENERATED TO PREVENT AND A PERCENTAGE OF ONE OR MORE OF THE OUT OF A RICH BLACK COLOR )F THE PRESS IS NEEDED TO CREATE SUCH KEEP AWAY OVERPRINTING A COLOR PHOTO ON A COMPLEX 7ITH !DOBE TRAPPING TECHNOLOGIES PRESS TROUBLE WITHOUT CALLING UNDUE OTHER PROCESS COLORS OR PAPER GO SLIGHTLY OUT OF REGISTER ONE TRAPS IN ALL POSSIBLE CIRCUMSTANCES BACKGROUND 4HE COMMON PREPRESS IT IS NOW EASY TO DO A BETTER JOB ATTENTION TO ITSELF OR MORE OF THE COMPONENT COLORS CAN AND !DOBE TRAPPING TECHNOLOGY METHOD WOULD HAVE BEEN TO KNOCK THE 4HE TRAPPING SYSTEM ANALYZES THE 2ICH BLACKS hPEEKv OUT FROM BEHIND THE BLACK CAN GENERATE SUCH ELEMENTS FOR ANY PHOTO OUT OF THE BACKGROUND AND THEN INTERSECTIONS BETWEEN THE IMAGES 0LACING TINTS OF COLORS UNDER BLACK PRINTING SITUATION PRINT THE PHOTO IN THE KNOCK OUT AND CREATES A CORRECTLY COLORED TRAPPING MAKES THE BLACK APPEAR RICHER 4HE 4O AVOID THIS PROBLEM CAPABLE TRAPPING ELEMENT TO PREVENT REGISTER ERROR FROM TINT AND INTENSITY OF A RICH BLACK CAN SYSTEMS CREATE A KEEP AWAY TRAP TRAP 7ITH !DOBE TRAPPING TECHNOLOGIES SHOWING ON THE PRINTED SHEET BE ADJUSTED TO SUIT THE DESIGN OR PRESS WHERE THE ARTWORK IS REVERSED OUT OF A PHOTO CAN FLOAT OVER ANY COMBI CRITERIA 0UTTING TINTS OF COLORS UNDER THE BLACK AT FINAL SIZE WHILE ANY NATION OF GRAPHIC ELEMENTS 4HE BLACK MAKES THE BLACK APPEAR RICHER COMPONENT COLORS ARE SPREAD AWAY NECESSARY TRAPPING ELEMENTS PREVENT AND CAN BE MORE ATTRACTIVE IN A FROM THE KNOCKED OUT BLACK 4HE UNATTRACTIVE INTERSECTIONS IF THE PRESS PROJECT DESIGN RESULTING KNOCK OUT IS MORE TOLERANT GOES OUT OF REGISTER OF REGISTER ERROR
)F ARTWORK IS REVERSED OUT OF A RICH BLACK AND THE PRESS hKEEP AWAYv TRAP EXAMPLE ON RIGHT WHERE COLORS OTHER GOES OUT OF REGISTER ONE OR MORE OF THE COMPONENT COLORS THAN THE TOPMOST COLOR ARE PRINTED AWAY FROM THE DElNING )F A CONTINUOUS TONE IMAGE FLOATS OVER A COMPLEX INTO ACCOUNT AND THE TRAP ELEMENT CREATED MUST CAN hPEEKv OUT OF THE REVERSE EXAMPLE ON LEFT AFFECTING COLOR )N THIS EXAMPLE THE CYAN IS HELD BACK FROM THE EDGE BACKGROUND THE CHALLENGE OF TRAPPING IS COM BE EFFECTIVE AND SUBTLE 4HE TRAP ELEMENTS ARE ITS APPEARANCE 4HE SOLUTION TO RICH BLACK TRAPPING IS THE OF THE BLACK POUNDED )F AN IMAGE OVERLAYS ANOTHER IMAGE EXAGGERATED IN THESE ILLUSTRATIONS THE SITUATION IS SIMILAR 4RAPPING ELEMENTS MUST TAKE BOTH FOREGROUND COLOR AND TONAL VALUES
4RAPPING DETAILS 4RAPPING DETAILS 6ECTOR TO CONTINUOUS TONE TRAPPING 4EXT OVER CONTINUOUS TONE IMAGES
!DOBE TRAPPING TECHNOLOGY ALLOWS YOU )F TEXT IS PLACED ON TOP OF AN IMAGE OF THE TEXT )N UNUSUAL CASES WHERE THE 4HE COMPLEX INTERSECTION OF COLORS CONSIDER THE COLOR RELATIONSHIPS OF 7ITH !DOBE TRAPPING TECHNOLOGIES TO CONlGURE THE PLACEMENT OF TRAPS HOWEVER AND THE TEXT IS VERY LIGHT IMAGE DATA IS COMPOSED OF VECTOR LIKE THAT OCCURS WHEN DESIGN ELEMENTS THAT THE TEXT AND THE BACKGROUND "ASED THE SETTING FOR SUCH SOPHISTICATED TRAPS BETWEEN IMAGES AND VECTOR OBJECTS COMPARED TO THE IMAGE DATA A CENTER REGIONS OF HIGHLY CONTRASTING AREAS THE OVERLAP CREATE COMPLEX INTERSECTIONS ON THESE RELATIONSHIPS THE TRAPPING CAN BE EASILY MODIlED BY THE OPERATOR DEPENDING ON THE COLOR RELATIONSHIP LINE TRAP RISKS CHOKING THE TEXT AND TRAPPING SYSTEM SHOULD ANALYZE THE THAT REQUIRE SPECIAL TRAPPING ELEMENTS SYSTEM BUILDS THE APPROPRIATE TO CHANGE THE RESULTING TRAP ELEMENTS BETWEEN THEM )N MOST CASES WHERE THUS RENDERING IT UNREADABLE !DOBE RELATIVE DARKNESS OF THE TWO SIDES OF TRAPPING ELEMENTS IMAGES ARE SIMPLY ABUTTING OR KNOCK TRAPPING TECHNOLOGY CAN BE USED TO THE BOUNDARY AT EACH POINT AND REVERT 4EXT OVER CONTINUOUS TONE IMAGES ING OUT OF LARGER VECTOR OBJECTS A CHOKE THE IMAGE DATA IN THESE CASES TO THE NORMAL MODE OF PLACING THE )F TYPOGRAPHIC ELEMENTS PASS OVER !DOBE TRAPPING TECHNOLOGIES ARE TRAP THAT STRADDLES THE BOUNDARY CAUSING THE TEXT TO SPREAD AND RETAIN TRAP AS IS DONE BETWEEN VECTOR OBJECTS PHOTOS OR OTHER CONTINUOUS TONE CAPABLE OF MAKING SUCH SOPHISTICATED CONSISTENTLY AND DOESNT MOVE FROM ITS INTENDED APPEARANCEnINCLUDING IMAGES THE INTERSECTION COLORS VARY TRAP ELEMENTS WHICH ELIMINATE REGISTER SIDE TO SIDE IS MORE PLEASING TO THE EYE COLORnEVEN IN CASE OF MISREGISTRATION SIGNIlCANTLY AS THE PHOTOGRAPHIC ERROR WITHOUT INTRODUCING UNSIGHTLY THAN ONE THAT MOVES BACK AND FORTH IN CONTENT IS RANDOM )N THESE SITUATIONS COLOR ELEMENTS TO THE IMAGE AN ATTEMPT TO SPREAD THE LIGHTER COLOR #ONVERSELY IF DARK TEXT IS PLACED ON THE TRAPPING TECHNOLOGY MUST AT ALL TIMES 4HE DEFAULT CENTERLINE A LIGHT IMAGE THE TRAPPING SYSTEM TRAP FOR IMAGE TO VECTOR TRAPPING SHOULD SPREAD THE IMAGE DATA INTO THE ACCOMMODATES THIS SITUATION TEXT TO AVOID AN UNDESIRABLE FATTENING DISC 3AMPLER 0HOTO #$ 0HOTO +ODAK THE FROM lNK !LAN BY 0HOTO
)N THE ILLUSTRATION ABOVE THE VECTOR ILLUSTRATION A JOB FOR THE MOST SOPHISTICATED TRAPPING TECHNOLOGY OVERLAYING THE CONTINUOUS TONE IMAGE CREATES A 4HE ILLUSTRATION ON THE LEFT ISNT TRAPPED WHILE THE 7HEN CREATING TRAP ELEMENTS FOR TEXT OVER .OTICE THAT THE TRAP COLOR CREATED BY !DOBE CHALLENGE FOR TRAPPING SYSTEMS 4HE ABILITY TO CREATE ILLUSTRATION ON THE RIGHT IS 4HE TRAP ELEMENTS ARE CONTINUOUS TONE IMAGES A TRAPPING SYSTEM MUST TRAPPING TECHNOLOGIES CHANGES ACCORDING TO THE TRAPPING ELEMENTS THAT VARY WITH THE RELATIONSHIP EXAGGERATED IN THE ILLUSTRATIONS CONSIDER THE COLORS IN THE CONTINUOUS TONE IMAGE IMAGE COLOR BEHIND THE LETTERING AND NO TRAP IS BETWEEN THE FOREGROUND AND BACKGROUND IMAGES IS UNDER THE TEXT 4HIS IMAGE HASNT BEEN TRAPPED GENERATED WHERE THE LETTERING CROSSES A HIGHLIGHT IN THE IMAGE INDICATED BY THE ARROW 4HE TRAP ELEMENTS ARE EXAGGERATED IN THIS ILLUSTRATION
4RAPPING DETAILS 4RAPPING DETAILS 6ECTOR TO CONTINUOUS TONE TRAPPING 4EXT OVER CONTINUOUS TONE IMAGES
!DOBE TRAPPING TECHNOLOGY ALLOWS YOU )F TEXT IS PLACED ON TOP OF AN IMAGE OF THE TEXT )N UNUSUAL CASES WHERE THE 4HE COMPLEX INTERSECTION OF COLORS CONSIDER THE COLOR RELATIONSHIPS OF 7ITH !DOBE TRAPPING TECHNOLOGIES TO CONlGURE THE PLACEMENT OF TRAPS HOWEVER AND THE TEXT IS VERY LIGHT IMAGE DATA IS COMPOSED OF VECTOR LIKE THAT OCCURS WHEN DESIGN ELEMENTS THAT THE TEXT AND THE BACKGROUND "ASED THE SETTING FOR SUCH SOPHISTICATED TRAPS BETWEEN IMAGES AND VECTOR OBJECTS COMPARED TO THE IMAGE DATA A CENTER REGIONS OF HIGHLY CONTRASTING AREAS THE OVERLAP CREATE COMPLEX INTERSECTIONS ON THESE RELATIONSHIPS THE TRAPPING CAN BE EASILY MODIlED BY THE OPERATOR DEPENDING ON THE COLOR RELATIONSHIP LINE TRAP RISKS CHOKING THE TEXT AND TRAPPING SYSTEM SHOULD ANALYZE THE THAT REQUIRE SPECIAL TRAPPING ELEMENTS SYSTEM BUILDS THE APPROPRIATE TO CHANGE THE RESULTING TRAP ELEMENTS BETWEEN THEM )N MOST CASES WHERE THUS RENDERING IT UNREADABLE !DOBE RELATIVE DARKNESS OF THE TWO SIDES OF TRAPPING ELEMENTS IMAGES ARE SIMPLY ABUTTING OR KNOCK TRAPPING TECHNOLOGY CAN BE USED TO THE BOUNDARY AT EACH POINT AND REVERT 4EXT OVER CONTINUOUS TONE IMAGES ING OUT OF LARGER VECTOR OBJECTS A CHOKE THE IMAGE DATA IN THESE CASES TO THE NORMAL MODE OF PLACING THE )F TYPOGRAPHIC ELEMENTS PASS OVER !DOBE TRAPPING TECHNOLOGIES ARE TRAP THAT STRADDLES THE BOUNDARY CAUSING THE TEXT TO SPREAD AND RETAIN TRAP AS IS DONE BETWEEN VECTOR OBJECTS PHOTOS OR OTHER CONTINUOUS TONE CAPABLE OF MAKING SUCH SOPHISTICATED CONSISTENTLY AND DOESNT MOVE FROM ITS INTENDED APPEARANCEnINCLUDING IMAGES THE INTERSECTION COLORS VARY TRAP ELEMENTS WHICH ELIMINATE REGISTER SIDE TO SIDE IS MORE PLEASING TO THE EYE COLORnEVEN IN CASE OF MISREGISTRATION SIGNIlCANTLY AS THE PHOTOGRAPHIC ERROR WITHOUT INTRODUCING UNSIGHTLY THAN ONE THAT MOVES BACK AND FORTH IN CONTENT IS RANDOM )N THESE SITUATIONS COLOR ELEMENTS TO THE IMAGE AN ATTEMPT TO SPREAD THE LIGHTER COLOR #ONVERSELY IF DARK TEXT IS PLACED ON THE TRAPPING TECHNOLOGY MUST AT ALL TIMES 4HE DEFAULT CENTERLINE A LIGHT IMAGE THE TRAPPING SYSTEM TRAP FOR IMAGE TO VECTOR TRAPPING SHOULD SPREAD THE IMAGE DATA INTO THE ACCOMMODATES THIS SITUATION TEXT TO AVOID AN UNDESIRABLE FATTENING DISC 3AMPLER 0HOTO #$ 0HOTO +ODAK THE FROM lNK !LAN BY 0HOTO
)N THE ILLUSTRATION ABOVE THE VECTOR ILLUSTRATION A JOB FOR THE MOST SOPHISTICATED TRAPPING TECHNOLOGY OVERLAYING THE CONTINUOUS TONE IMAGE CREATES A 4HE ILLUSTRATION ON THE LEFT ISNT TRAPPED WHILE THE 7HEN CREATING TRAP ELEMENTS FOR TEXT OVER .OTICE THAT THE TRAP COLOR CREATED BY !DOBE CHALLENGE FOR TRAPPING SYSTEMS 4HE ABILITY TO CREATE ILLUSTRATION ON THE RIGHT IS 4HE TRAP ELEMENTS ARE CONTINUOUS TONE IMAGES A TRAPPING SYSTEM MUST TRAPPING TECHNOLOGIES CHANGES ACCORDING TO THE TRAPPING ELEMENTS THAT VARY WITH THE RELATIONSHIP EXAGGERATED IN THE ILLUSTRATIONS CONSIDER THE COLORS IN THE CONTINUOUS TONE IMAGE IMAGE COLOR BEHIND THE LETTERING AND NO TRAP IS BETWEEN THE FOREGROUND AND BACKGROUND IMAGES IS UNDER THE TEXT 4HIS IMAGE HASNT BEEN TRAPPED GENERATED WHERE THE LETTERING CROSSES A HIGHLIGHT IN THE IMAGE INDICATED BY THE ARROW 4HE TRAP ELEMENTS ARE EXAGGERATED IN THIS ILLUSTRATION
4RAPPING DETAILS 4RAPPING DETAILS #LIPPING PATHS PROVIDE EFFECTIVE EDGES FOR TRAPPING 7HERE THIN STROKES NEED SPECIAL HANDLING
!DOBE TRAPPING TECHNOLOGIES TREAT THE TRAP ELEMENT AND BOTH SIDES OF THE AND !DOBE )N$ESIGN PROVIDE CONSIS +NOWING ITS LIMITS )F A TRAP ELEMENT SPREADS INTO AN AREA CREATING AN AESTHETIC APPEARANCE EDGES OF IMAGES WITH CLIPPING PATHS AS UNDERLYING OBJECTS 4HIS COMMITMENT TENT AND PREDICTABLE TRAPPING RESULTS /NE TRICK OF SUCCESSFUL TRAPPING IS TO WHERE IT IS LARGER THAN THE AVAILABLE RATHER THAN MAKE AN UNSIGHTLY TRAP VECTOR OBJECTS RATHER THAN PIXEL BASED TO SUPERIOR IMAGE QUALITY AND ACROSS APPLICATIONS MAKING FOR A ACKNOWLEDGE SPECIAL CIRCUMSTANCES SPACE !DOBE TRAPPING TECHNOLOGIES IMAGES 4RAP ELEMENTS ARE CREATED APPEARANCE DISTINGUISHES !DOBE FLEXIBLE AND RELIABLE TRAPPING SOLUTION THAT AFFECT PRINT QUALITY 4RAPPING THIN LIMIT THE TRAPPING ELEMENT TO HALF OF 7ORKFLOW OPTIMIZATION AND PLACED BETWEEN CLIPPING PATHS TRAPPING TECHNOLOGIES FROM OTHERS AREAS CAN BE A CHALLENGE BECAUSE THE THE SPACE AVAILABLE 4HIS LIMITATION 4HE UNIQUE HIGH QUALITY TRAP SHAPING AND OTHER VECTOR OBJECTS ON WHICH IN THE INDUSTRY THICKNESS OF TRAPPING ELEMENT CAN ENSURES THAT TRAPS NEVER EXTEND AND THIN ELEMENT TRAPPING CAPABILITIES THEY ARE SUPERIMPOSED RESULTING IN A EXCEED THE THICKNESS OF THE ARTWORK OR BEYOND THE OPPOSITE BOUNDARY OF OF !DOBE TRAPPING TECHNOLOGIES ELIM BETTER TRAP THAN SIMPLY SPREADING AN !DOBE KNOWS THE INDUSTRY THE SPACE AVAILABLE FOR THE ELEMENT A THIN AREA INATE THE TEDIOUS MANUAL INSPECTION EQUIVALENT PIXEL BASED IMAGE 7ITH ITS COMMITMENT TO THE GRAPHIC AND EDITING OF TRAPS -INIMIZING ARTS INDUSTRY AND KNOWLEDGE OF THE ! SAVVY TRAPPING SYSTEM CAN CREATE 3UCH CONSIDERATION ISNT RESTRICTED WORKFLOW IMPACT DUE TO TRAPPING IS A 4HE PIXEL COLORS OF THE UNDERLYING NEEDS OF GRAPHIC ARTS PROFESSIONALS TRAPPING ELEMENTS FOR THIN AREAS TO TYPOGRAPHIC ELEMENTS !DOBE REQUIREMENT OF A QUALITY AUTOMATED IMAGE ALONG THE EDGE OF A CLIPPING !DOBE DEVELOPS PRODUCTS THAT WORK AND ACCOUNT FOR AVAILABLE SPACE TRAPPING TECHNOLOGIES LIMIT THE TRAPPING TECHNOLOGY PATH ARE USED TO CREATE THE TRAP COLORS HAND IN HAND TO DELIVER TOP NOTCH 4HE ORIGINAL lSH IMAGE IN !DOBE AND THICKNESS OF THE ORIGINAL SHAPE OF ANY TRAPPING ELEMENT THAT RATHER THAN EXPANDING THE IMAGE RESULTS #LOSE RELATIONSHIPS BETWEEN 0HOTOSHOP SHOWS THE CLIPPING PATH DESIGN ELEMENT WOULD EXTEND BEYOND AN ADJACENT INTO ITS OUTLYING PIXELS 4HE METHOD !DOBE TRAPPING TECHNOLOGIES AND DRAWN BY THE ARTIST !DOBE TRAPPING DESIGN ELEMENT USED IN !DOBE TRAPPING TECHNOLOGIES !DOBE 0OST3CRIPT !DOBE 0$& TECHNOLOGIES USES THIS CLIPPING PATH AS 4YPE POSES TRAPPING CHALLENGES A TRAPPING BOUNDARY ENSURES CONSISTENT COLORS BETWEEN THE !DOBE 0HOTOSHOP !DOBE )LLUSTRATOR 4HE THIN STROKES OF COMMON LETTER !LTHOUGH THESE ADJUSTED TRAPPING STYLES ARE OFTEN THINNER THAN THE ELEMENTS ARE NECESSARILY SMALLER TRAP ELEMENTS CREATED TO PREVENT THAN THE BASIC TRAP THICKNESS !DOBE REGISTER ERROR TRAPPING TECHNOLOGIES DEFER TO #LIPPING 0ATH
.O 4RAP %XTENDED 2EPEATED -ASK 4RAP %DGE 4RAP
3UPERIMPOSING IMAGES WITH CLIPPING PATHS ON VECTOR RESULTING IN A BORDER OF BLACK PIXELS AROUND THE lSH )N THE $ELICATE TYPOGRAPHIC ELEMENTS DEMONSTRATE THE NEED LETTER PROTRUDING INTO ANOTHER AREA OF THE ARTWORK !DOBE ARTWORK CREATES A CHALLENGE FOR TRAPPING SYSTEMS )N EXAMPLE AT RIGHT !DOBE TRAPPING TECHNOLOGIES REPEAT THE FOR SPECIAL TREATMENT FOR THIN AREAS )N THE TOP EXAMPLE TRAPPING TECHNOLOGIES RIGHT CREATE THE TRAPPING ELEMENT THE EXAMPLE AT LEFT THE lSH ISNT TRAPPED AGAINST THE PIXELS OF THE VECTOR ILLUSTRATION BEHIND THE CLIPPING PATH THE CYAN LETTER NEEDS TRAPPING BECAUSE OF THE POTENTIAL BUT ADJUSTS ITS SIZE TO HALF THE AVAILABLE AREA SO THE TRAPPING ILLUSTRATION OF THE lSHBOWL )N THE MIDDLE ILLUSTRATION THE USING THE PATH TO PRODUCE A MORE ATTRACTIVE PRODUCT 4HE FOR REGISTER ERROR )N THE BOTTOM EXAMPLE CONVENTIONAL ELEMENT DOESNT EXTEND BEYOND THE EDGE OF THE ADJACENT IMAGE HAS BEEN TRAPPED BY AN UNSOPHISTICATED METHOD TRAP ELEMENTS ARE EXAGGERATED IN THESE ILLUSTRATIONS TRAPPING METHODS CREATE AN UNSIGHTLY STROKE AROUND THE COLOR ELEMENT
4RAPPING DETAILS 4RAPPING DETAILS #LIPPING PATHS PROVIDE EFFECTIVE EDGES FOR TRAPPING 7HERE THIN STROKES NEED SPECIAL HANDLING
!DOBE TRAPPING TECHNOLOGIES TREAT THE TRAP ELEMENT AND BOTH SIDES OF THE AND !DOBE )N$ESIGN PROVIDE CONSIS +NOWING ITS LIMITS )F A TRAP ELEMENT SPREADS INTO AN AREA CREATING AN AESTHETIC APPEARANCE EDGES OF IMAGES WITH CLIPPING PATHS AS UNDERLYING OBJECTS 4HIS COMMITMENT TENT AND PREDICTABLE TRAPPING RESULTS /NE TRICK OF SUCCESSFUL TRAPPING IS TO WHERE IT IS LARGER THAN THE AVAILABLE RATHER THAN MAKE AN UNSIGHTLY TRAP VECTOR OBJECTS RATHER THAN PIXEL BASED TO SUPERIOR IMAGE QUALITY AND ACROSS APPLICATIONS MAKING FOR A ACKNOWLEDGE SPECIAL CIRCUMSTANCES SPACE !DOBE TRAPPING TECHNOLOGIES IMAGES 4RAP ELEMENTS ARE CREATED APPEARANCE DISTINGUISHES !DOBE FLEXIBLE AND RELIABLE TRAPPING SOLUTION THAT AFFECT PRINT QUALITY 4RAPPING THIN LIMIT THE TRAPPING ELEMENT TO HALF OF 7ORKFLOW OPTIMIZATION AND PLACED BETWEEN CLIPPING PATHS TRAPPING TECHNOLOGIES FROM OTHERS AREAS CAN BE A CHALLENGE BECAUSE THE THE SPACE AVAILABLE 4HIS LIMITATION 4HE UNIQUE HIGH QUALITY TRAP SHAPING AND OTHER VECTOR OBJECTS ON WHICH IN THE INDUSTRY THICKNESS OF TRAPPING ELEMENT CAN ENSURES THAT TRAPS NEVER EXTEND AND THIN ELEMENT TRAPPING CAPABILITIES THEY ARE SUPERIMPOSED RESULTING IN A EXCEED THE THICKNESS OF THE ARTWORK OR BEYOND THE OPPOSITE BOUNDARY OF OF !DOBE TRAPPING TECHNOLOGIES ELIM BETTER TRAP THAN SIMPLY SPREADING AN !DOBE KNOWS THE INDUSTRY THE SPACE AVAILABLE FOR THE ELEMENT A THIN AREA INATE THE TEDIOUS MANUAL INSPECTION EQUIVALENT PIXEL BASED IMAGE 7ITH ITS COMMITMENT TO THE GRAPHIC AND EDITING OF TRAPS -INIMIZING ARTS INDUSTRY AND KNOWLEDGE OF THE ! SAVVY TRAPPING SYSTEM CAN CREATE 3UCH CONSIDERATION ISNT RESTRICTED WORKFLOW IMPACT DUE TO TRAPPING IS A 4HE PIXEL COLORS OF THE UNDERLYING NEEDS OF GRAPHIC ARTS PROFESSIONALS TRAPPING ELEMENTS FOR THIN AREAS TO TYPOGRAPHIC ELEMENTS !DOBE REQUIREMENT OF A QUALITY AUTOMATED IMAGE ALONG THE EDGE OF A CLIPPING !DOBE DEVELOPS PRODUCTS THAT WORK AND ACCOUNT FOR AVAILABLE SPACE TRAPPING TECHNOLOGIES LIMIT THE TRAPPING TECHNOLOGY PATH ARE USED TO CREATE THE TRAP COLORS HAND IN HAND TO DELIVER TOP NOTCH 4HE ORIGINAL lSH IMAGE IN !DOBE AND THICKNESS OF THE ORIGINAL SHAPE OF ANY TRAPPING ELEMENT THAT RATHER THAN EXPANDING THE IMAGE RESULTS #LOSE RELATIONSHIPS BETWEEN 0HOTOSHOP SHOWS THE CLIPPING PATH DESIGN ELEMENT WOULD EXTEND BEYOND AN ADJACENT INTO ITS OUTLYING PIXELS 4HE METHOD !DOBE TRAPPING TECHNOLOGIES AND DRAWN BY THE ARTIST !DOBE TRAPPING DESIGN ELEMENT USED IN !DOBE TRAPPING TECHNOLOGIES !DOBE 0OST3CRIPT !DOBE 0$& TECHNOLOGIES USES THIS CLIPPING PATH AS 4YPE POSES TRAPPING CHALLENGES A TRAPPING BOUNDARY ENSURES CONSISTENT COLORS BETWEEN THE !DOBE 0HOTOSHOP !DOBE )LLUSTRATOR 4HE THIN STROKES OF COMMON LETTER !LTHOUGH THESE ADJUSTED TRAPPING STYLES ARE OFTEN THINNER THAN THE ELEMENTS ARE NECESSARILY SMALLER TRAP ELEMENTS CREATED TO PREVENT THAN THE BASIC TRAP THICKNESS !DOBE REGISTER ERROR TRAPPING TECHNOLOGIES DEFER TO #LIPPING 0ATH
.O 4RAP %XTENDED 2EPEATED -ASK 4RAP %DGE 4RAP
3UPERIMPOSING IMAGES WITH CLIPPING PATHS ON VECTOR RESULTING IN A BORDER OF BLACK PIXELS AROUND THE lSH )N THE $ELICATE TYPOGRAPHIC ELEMENTS DEMONSTRATE THE NEED LETTER PROTRUDING INTO ANOTHER AREA OF THE ARTWORK !DOBE ARTWORK CREATES A CHALLENGE FOR TRAPPING SYSTEMS )N EXAMPLE AT RIGHT !DOBE TRAPPING TECHNOLOGIES REPEAT THE FOR SPECIAL TREATMENT FOR THIN AREAS )N THE TOP EXAMPLE TRAPPING TECHNOLOGIES RIGHT CREATE THE TRAPPING ELEMENT THE EXAMPLE AT LEFT THE lSH ISNT TRAPPED AGAINST THE PIXELS OF THE VECTOR ILLUSTRATION BEHIND THE CLIPPING PATH THE CYAN LETTER NEEDS TRAPPING BECAUSE OF THE POTENTIAL BUT ADJUSTS ITS SIZE TO HALF THE AVAILABLE AREA SO THE TRAPPING ILLUSTRATION OF THE lSHBOWL )N THE MIDDLE ILLUSTRATION THE USING THE PATH TO PRODUCE A MORE ATTRACTIVE PRODUCT 4HE FOR REGISTER ERROR )N THE BOTTOM EXAMPLE CONVENTIONAL ELEMENT DOESNT EXTEND BEYOND THE EDGE OF THE ADJACENT IMAGE HAS BEEN TRAPPED BY AN UNSOPHISTICATED METHOD TRAP ELEMENTS ARE EXAGGERATED IN THESE ILLUSTRATIONS TRAPPING METHODS CREATE AN UNSIGHTLY STROKE AROUND THE COLOR ELEMENT
!DOBE TECHNOLOGY SOLVES TRAPPING PROBLEMS !DOBE TECHNOLOGY SOLVES TRAPPING PROBLEMS !DOBE TECHNOLOGY SOLVES TRAPPING PROBLEMS 7ORLD CLASS TRAPPING MAKES SUCCESSFUL PRINTING MORE PRACTICAL 7ORLD CLASS TRAPPING MAKES SUCCESSFUL PRINTING MORE PRACTICAL
!DOBE TRAPPING TECHNOLOGIES ARE A 4RAP #OLOR 2EDUCTION "LACK 7IDTH )NTERNAL )MAGE 4RAPPING 4RAP *OIN 3TYLE IN TRAP ELEMENTS 4HOUGH THESE PRACTICAL AND EFFECTIVE SOLUTION FOR /CCASIONALLY THE COLOR GENERATED ,ARGER TRAP WIDTHS ARE VALUABLE WITH )NTERNAL )MAGE 4RAPPING TURNS ON TURNS ON 4RAP *OIN 3TYLE SPECIlES THE SHAPE OF SPECIlES THE SHAPE OF POINTS ARE SOMETIMES THE PRODUCT OF GRAPHIC ARTS PREPRESS PREPARATION FOR A TRAPPING ELEMENT IS TOO DARK BLACK WHERE THE TRAP IS LARGELY OBSCURED TRAPPING FOR THE INTERIOR OF PIXEL A JOIN BETWEEN TWO ADJACENT TRAPS THE TRAPPING ALGORITHMS THE CORNER 4HEY lT INTO PRODUCTION PROCESSES ESPECIALLY WHEN TRAPPING PASTEL OR BUT THE EFFECT OF REGISTER ERROR IS SEVERE BASED IMAGES 4HIS OPTION IS DESIGNED !VAILABLE STYLES INCLUDE -ITER 2OUND MITERING FUNCTION REDUCES THEM TO INVOLVING COMPUTER TO PLATE AND HIGHLY CONTRASTING COLORS ! 4RAP #OLOR TO TRAP SUCH IMAGES WHERE COLOR AND "EVEL 4HESE STYLES ARE ILLUSTRATED MITERED ENDS MAKING THE TRAPPING lLMSETTER APPLICATIONS 2EDUCTION CAN BE ENTERED TO REDUCE !DOBE TRAPPING TECHNOLOGY ALLOWS TRAPPING IS NECESSARY !N EXAMPLE ON THE FACING PAGE ELEMENT MORE ATTRACTIVE THE INTENSITY OF THE TRAPPING ELEMENTS A SEPARATE TRAP WIDTH TO BE SPECIlED MIGHT BE A BUSINESS GRAPHIC THAT HAS 9EARS OF DEVELOPMENT HAVE HELPED MAKING THEM MORE SUBTLE FOR BLACK INKS OR ANY INK HANDLED WITH BEEN RASTERIZED AS A BITMAP IN !DOBE 4RAP %ND 3TYLES SHAPE !DOBES PREPRESS TECHNOLOGIES THE TRAPPING RULES FOR BLACK 0HOTOSHOP .ORMAL PHOTOGRAPHIC 4RAP %ND 3TYLE IS A TRAPPING PARAMETER IS A TRAPPING PARAMETER INTO PRODUCTS THAT MEET AND EXCEED THE "LACK #OLOR ,IMIT IMAGES GENERALLY DONT NEED TO BE THAT SPECIlES HOW !DOBE TRAPPING NEEDS OF OUR USERS "LACK #OLOR ,IMIT IS A SETTING THAT 0RINTERS -ARKS TRAPPED INTERNALLY TECHNOLOGIES FORM THE END OF A TRAP LETS YOU CONTROL WHICH BLACK TINTS 0RINTERS MARKSnREGISTER MARKS TRIM THAT TOUCHES ANOTHER OBJECT 4RAP 4HE PREVIOUS PAGES DESCRIBED IN ARE TREATED AS BLACK ,OWERING THE AND FOLD MARKSnARE MARKS USED FOR PAGE .EUTRAL $ENSITY ENDS MAY EITHER MITER AWAY FROM GENERAL THE LEVEL OF SOPHISTICATION VALUE OF THIS SETTING CAUSES TINTS OF POSITIONING AND lNISHING 4HESE MARKS !DOBE TRAPPING TECHNOLOGIES CALCULATE AN ADJOINING OBJECT OR THE LIGHTER ACHIEVED WITH !DOBE TRAPPING BLACK LESS THAN TO BE PROCESSED SHOULDNT BE TRAPPED !DOBE TRAPPING WHICH COLOR TO SPREAD BASED ON THE TRAP COLOR AT THE INTERSECTION OF /CCASIONALLY A SHARP CORNER IS CREATED TECHNOLOGIES 4HESE NEXT PAGES FOR TRAPPING USING THE RULES OF BLACK TECHNOLOGIES CORRECTLY IDENTIFY OBJECTS RELATIVE NEUTRAL DENSITIES OF TWO ADJA THREE OBJECTS MAY WRAP AROUND TO BY TRAPPING FUNCTIONS DESCRIBE THE ADDITIONAL FEATURES THAT TRAPPING 4HIS SETTING IS ESPECIALLY DESIGNATED WITH PERCENT VALUE IN ALL CENT COLORS .EUTRAL DENSITY IS A MEASURE IS A MEASURE MEET AN ADJOINING TRAP 4HIS LATER MAKE THE TECHNOLOGY TRULY EXCEPTIONAL USEFUL IN PRINTING IN ENVIRONMENTS CHANNELS AS PRINTERS MARKS OF HOW DARK AN INK IS %ACH INK HAS ITS OVERLAPPING STYLE IS FREQUENTLY USED THAT HAVE CONSIDERABLE DOT GAIN OWN NEUTRAL DENSITY PARAMETER WITH FLEXOGRAPHIC PRINTING PROCESSES 4RAP WIDTH SETTING !DOBE TRAPPING TECHNOLOGIES DONT 4RAP WIDTH ALLOWS THE USER TO SET "LACK $ENSITY ,IMIT CREATE TRAPS BETWEEN A PRINTERS MARK 3ETTINGS TO CONTROL NEUTRAL DENSITY #ORNER -ITERING THE WIDTH OF THE TRAP IN POINTS "LACK $ENSITY ,IMIT IS A USER DElNED IS A USER DElNED AND A BACKGROUND BETWEEN ANY OBJECT CONTROL ARE AVAILABLE IN !DOBE TRAPPING #ORNER -ITERING IS A UNIQUE AUTO IS A UNIQUE AUTO 4HE MINIMUM IS POINTS AND THE VALUE THAT DICTATES THE NEUTRAL DENSITY THAT LIES ON TOP OF A PRINTERS MARK TECHNOLOGIES CONTROL DIALOG BOXES MATIC FEATURE OF !DOBE TRAPPING MAXIMUM IS POINTS INCH VALUE AT WHICH OR ABOVE WHICH !DOBE AND THE PRINTERS MARK NOR DOES IT &OR DETAILED INSTRUCTIONS CHECK THE TECHNOLOGIES )T ENHANCES THE DETAIL 4HE VAST RANGE OF VALUES MAKES TRAPPING TECHNOLOGIES CONSIDER AN INK CREATE REVERSE TRAPS ALONG THE EDGE OF A SOFTWARE MANUAL FOR THE INDIVIDUAL OF TRAPPED ELEMENTS BY PREVENTING !DOBES TRAPPING FEATURES REDUCE THE TRAPPING POSSIBLE FOR A WIDE RANGE TO BE hBLACKv !NY INK WITH A NEUTRAL PRINTERS MARK APPLICATION LONG MITER POINTS FROM BEING CREATED CORNER TO A MORE REASONABLE MITER OF PRODUCTION PROCESSES INCLUDING DENSITY VALUE HIGHER THAN THIS VALUE IS SCREEN PRINTING AND FLEXOGRAPHIC HANDLED USING THE TRAPPING RULES FOR PRINTING ON COARSE SUBSTRATES WHERE BLACK TRAPPING LARGER TRAPPING ELEMENTS ARE APPROPRIATE
4RAP *OIN 4RAP %ND 3TYLES 3TYLES
.O 4RAP -ITER 2OUND "EVEL .O 4RAP -ITER /VERLAP !DOBE TECHNOLOGY SOLVES TRAPPING PROBLEMS !DOBE TECHNOLOGY SOLVES TRAPPING PROBLEMS 7ORLD CLASS TRAPPING MAKES SUCCESSFUL PRINTING MORE PRACTICAL 7ORLD CLASS TRAPPING MAKES SUCCESSFUL PRINTING MORE PRACTICAL
!DOBE TRAPPING TECHNOLOGIES ARE A 4RAP #OLOR 2EDUCTION "LACK 7IDTH )NTERNAL )MAGE 4RAPPING 4RAP *OIN 3TYLE IN TRAP ELEMENTS 4HOUGH THESE PRACTICAL AND EFFECTIVE SOLUTION FOR /CCASIONALLY THE COLOR GENERATED ,ARGER TRAP WIDTHS ARE VALUABLE WITH )NTERNAL )MAGE 4RAPPING TURNS ON TURNS ON 4RAP *OIN 3TYLE SPECIlES THE SHAPE OF SPECIlES THE SHAPE OF POINTS ARE SOMETIMES THE PRODUCT OF GRAPHIC ARTS PREPRESS PREPARATION FOR A TRAPPING ELEMENT IS TOO DARK BLACK WHERE THE TRAP IS LARGELY OBSCURED TRAPPING FOR THE INTERIOR OF PIXEL A JOIN BETWEEN TWO ADJACENT TRAPS THE TRAPPING ALGORITHMS THE CORNER 4HEY lT INTO PRODUCTION PROCESSES ESPECIALLY WHEN TRAPPING PASTEL OR BUT THE EFFECT OF REGISTER ERROR IS SEVERE BASED IMAGES 4HIS OPTION IS DESIGNED !VAILABLE STYLES INCLUDE -ITER 2OUND MITERING FUNCTION REDUCES THEM TO INVOLVING COMPUTER TO PLATE AND HIGHLY CONTRASTING COLORS ! 4RAP #OLOR TO TRAP SUCH IMAGES WHERE COLOR AND "EVEL 4HESE STYLES ARE ILLUSTRATED MITERED ENDS MAKING THE TRAPPING lLMSETTER APPLICATIONS 2EDUCTION CAN BE ENTERED TO REDUCE !DOBE TRAPPING TECHNOLOGY ALLOWS TRAPPING IS NECESSARY !N EXAMPLE ON THE FACING PAGE ELEMENT MORE ATTRACTIVE THE INTENSITY OF THE TRAPPING ELEMENTS A SEPARATE TRAP WIDTH TO BE SPECIlED MIGHT BE A BUSINESS GRAPHIC THAT HAS 9EARS OF DEVELOPMENT HAVE HELPED MAKING THEM MORE SUBTLE FOR BLACK INKS OR ANY INK HANDLED WITH BEEN RASTERIZED AS A BITMAP IN !DOBE 4RAP %ND 3TYLES SHAPE !DOBES PREPRESS TECHNOLOGIES THE TRAPPING RULES FOR BLACK 0HOTOSHOP .ORMAL PHOTOGRAPHIC 4RAP %ND 3TYLE IS A TRAPPING PARAMETER IS A TRAPPING PARAMETER INTO PRODUCTS THAT MEET AND EXCEED THE "LACK #OLOR ,IMIT IMAGES GENERALLY DONT NEED TO BE THAT SPECIlES HOW !DOBE TRAPPING NEEDS OF OUR USERS "LACK #OLOR ,IMIT IS A SETTING THAT 0RINTERS -ARKS TRAPPED INTERNALLY TECHNOLOGIES FORM THE END OF A TRAP LETS YOU CONTROL WHICH BLACK TINTS 0RINTERS MARKSnREGISTER MARKS TRIM THAT TOUCHES ANOTHER OBJECT 4RAP 4HE PREVIOUS PAGES DESCRIBED IN ARE TREATED AS BLACK ,OWERING THE AND FOLD MARKSnARE MARKS USED FOR PAGE .EUTRAL $ENSITY ENDS MAY EITHER MITER AWAY FROM GENERAL THE LEVEL OF SOPHISTICATION VALUE OF THIS SETTING CAUSES TINTS OF POSITIONING AND lNISHING 4HESE MARKS !DOBE TRAPPING TECHNOLOGIES CALCULATE AN ADJOINING OBJECT OR THE LIGHTER ACHIEVED WITH !DOBE TRAPPING BLACK LESS THAN TO BE PROCESSED SHOULDNT BE TRAPPED !DOBE TRAPPING WHICH COLOR TO SPREAD BASED ON THE TRAP COLOR AT THE INTERSECTION OF /CCASIONALLY A SHARP CORNER IS CREATED TECHNOLOGIES 4HESE NEXT PAGES FOR TRAPPING USING THE RULES OF BLACK TECHNOLOGIES CORRECTLY IDENTIFY OBJECTS RELATIVE NEUTRAL DENSITIES OF TWO ADJA THREE OBJECTS MAY WRAP AROUND TO BY TRAPPING FUNCTIONS DESCRIBE THE ADDITIONAL FEATURES THAT TRAPPING 4HIS SETTING IS ESPECIALLY DESIGNATED WITH PERCENT VALUE IN ALL CENT COLORS .EUTRAL DENSITY IS A MEASURE IS A MEASURE MEET AN ADJOINING TRAP 4HIS LATER MAKE THE TECHNOLOGY TRULY EXCEPTIONAL USEFUL IN PRINTING IN ENVIRONMENTS CHANNELS AS PRINTERS MARKS OF HOW DARK AN INK IS %ACH INK HAS ITS OVERLAPPING STYLE IS FREQUENTLY USED THAT HAVE CONSIDERABLE DOT GAIN OWN NEUTRAL DENSITY PARAMETER WITH FLEXOGRAPHIC PRINTING PROCESSES 4RAP WIDTH SETTING !DOBE TRAPPING TECHNOLOGIES DONT 4RAP WIDTH ALLOWS THE USER TO SET "LACK $ENSITY ,IMIT CREATE TRAPS BETWEEN A PRINTERS MARK 3ETTINGS TO CONTROL NEUTRAL DENSITY #ORNER -ITERING THE WIDTH OF THE TRAP IN POINTS "LACK $ENSITY ,IMIT IS A USER DElNED IS A USER DElNED AND A BACKGROUND BETWEEN ANY OBJECT CONTROL ARE AVAILABLE IN !DOBE TRAPPING #ORNER -ITERING IS A UNIQUE AUTO IS A UNIQUE AUTO 4HE MINIMUM IS POINTS AND THE VALUE THAT DICTATES THE NEUTRAL DENSITY THAT LIES ON TOP OF A PRINTERS MARK TECHNOLOGIES CONTROL DIALOG BOXES MATIC FEATURE OF !DOBE TRAPPING MAXIMUM IS POINTS INCH VALUE AT WHICH OR ABOVE WHICH !DOBE AND THE PRINTERS MARK NOR DOES IT &OR DETAILED INSTRUCTIONS CHECK THE TECHNOLOGIES )T ENHANCES THE DETAIL 4HE VAST RANGE OF VALUES MAKES TRAPPING TECHNOLOGIES CONSIDER AN INK CREATE REVERSE TRAPS ALONG THE EDGE OF A SOFTWARE MANUAL FOR THE INDIVIDUAL OF TRAPPED ELEMENTS BY PREVENTING !DOBES TRAPPING FEATURES REDUCE THE TRAPPING POSSIBLE FOR A WIDE RANGE TO BE hBLACKv !NY INK WITH A NEUTRAL PRINTERS MARK APPLICATION LONG MITER POINTS FROM BEING CREATED CORNER TO A MORE REASONABLE MITER OF PRODUCTION PROCESSES INCLUDING DENSITY VALUE HIGHER THAN THIS VALUE IS SCREEN PRINTING AND FLEXOGRAPHIC HANDLED USING THE TRAPPING RULES FOR PRINTING ON COARSE SUBSTRATES WHERE BLACK TRAPPING LARGER TRAPPING ELEMENTS ARE APPROPRIATE
4RAP *OIN 4RAP %ND 3TYLES 3TYLES
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!DOBE TRAPPING TECHNOLOGIES !DOBE TRAPPING IN COMMON WORKFLOWS !DOBE INn2)0 4RAPPING !DOBE TRAPPING TECHNOLOGIES DELIVER WHERE NEEDED SIMPLIlES THE TRAPPING PROCESS
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/PEN THE )NK -ANAGER FROM THE 0RINT DIALOG BOX
!DOBE )N$ESIGN !DOBE )N$ESIGN (OW TO USE )N$ESIGN TRAPPING FEATURES (OW TO USE )N$ESIGN TRAPPING FEATURES
3PECIFYING TRAPPING PARAMETERS )N THE POP UP MENU OF THE 4RAP 3ELECT WHAT TYPE OF TRAPPING YOU !DJUSTING )NK )NFORMATION SETTINGS ONLY IF NEEDED FOR EXAMPLE /VERPRINTING BLACK WHEN PRINTING FROM !DOBE )N$ESIGN 3TYLE PALETTE SELECT PALETTE SELECT !SSIGN 4RAP 3TYLES WANT TO USE EITHER !PPLICATION 4HE )NK -ANAGER IS ACCESSIBLE FROM IF REQUIRED BY THE PRINTER OR SERVICE "Y DEFAULT )N$ESIGN OVERPRINTS 7ITH YOUR )N$ESIGN DOCUMENT "UILT )N 4RAPPING OR IN 2)0 EITHER THE 0RINT DIALOG OR THE 3WATCHES BUREAU ALL OBJECTS TO WHICH YOUVE APPLIED OPEN SELECT THE 4RAP 3TYLES PALETTE 3ELECT THE 3TYLE YOU WANT TO ASSIGN 4RAPPING )N ORDER TO USE IN 2)0 PALETTE 4HE )NK -ANAGER CONTROLS BLACK IN THE 3WATCHES PALETTE AND IN THE 7INDOW MENU THEN CHOOSE MENU THEN CHOOSE TO YOUR PAGE OR PAGE RANGE THEN 4RAPPING YOU MUST HAVE A 2)0 SETTINGS FOR ALL OF THE CHARACTERISTICS 4RAPPING :ONES IT OVERPRINTS ALL "LACK STROKES lLLS 4RAP 3TYLES ENTER THE PAGE RANGE AND CLICK AND A 00$ THAT SUPPORT IN 2)0 OF INKS THAT INFLUENCE TRAPPING )N$ESIGN HONORS FULL PAGE :ONES AND TYPE CHARACTERS 9OU CAN DISABLE !SSIGN THIS ENTERS YOUR PAGE 9OU TRAPPING 9OU MUST SELECT IN 2)0 4HE DEFAULT SETTINGS WORK FOR MOST ONLY 4HE PAGE SIZE INCLUDING BLEED THIS DEFAULT IN THE /VERPRINT "LACK )N THE POP UP MENU OF THE 4RAP CAN NOW ENTER MORE PAGE RANGES OR 3EPARATIONS BEFORE YOU CAN CHOOSE JOBS BUT SOME JOBS MAY REQUIRE IS THE SIZE OF THE TRAP ZONE )N$ESIGN PREFERENCES SETTING )F YOU DISABLE 3TYLE PALETTE SELECT PALETTE SELECT .EW 3TYLE SAVE THE SETTINGS BY CLICKING $ONE IN 2)0 4RAPPING IN THE 0RINT DIALOG IN THE 0RINT DIALOG ADJUSTMENTS &OR EXAMPLE WHEN ALLOWS YOU TO TRAP A PAGE SPREAD /VERPRINT "LACK ALL INSTANCES OF 7ITH !PPLICATION "UILT )N 4RAPPING YOU CREATE A VARNISH PLATE SELECTING WITH TWO DIFFERENT TRAP ZONES 4HE BLACK WILL KNOCK OUT REMOVE #ONlGURE ALL SETTINGS TO MATCH )N THE PRINT DIALOG CLICK ON /UTPUT YOU CAN SELECT EITHER METHOD OF 4RANSPARENT FORCES THE COLOR NOT TO DOCUMENT CAN BE TRAPPED MORE UNDERLYING INKS YOUR JOBS NEEDS THEN NAME ON THE LEFT THEN SELECT THE MODE SEPARATIONS AND ANY 00$ THAT BE TRAPPED 4HE )NK -ANAGER ALSO QUICKLY IF YOU DISABLE TRAPPING FOR THE 3TYLE AND CLICK /+ .OTE OF SEPARATIONS THAT YOU WANT TO SUPPORTS SEPARATIONS WILL SUFlCE PROVIDES CONTROL OVER .EUTRAL $ENSITY PAGES THAT DONT NEED IT 9OU CAN &OR DETAILED INFORMATION ON SPECIFYING !PPLICATION "UILT )N 4RAPPING IS USE EITHER IN 2)0 OR "UILT )N WHICH ESTABLISHES WHICH COLORS WILL DISABLE TRAPPING IN THE !SSIGN TRAPPING PARAMETERS FROM !DOBE LIMITED TO A TRAP SIZE OF POINTS 3EPARATIONS YOU MUST SELECT ONE SPREAD INTO OTHER COLORS )NK 3EQUENCE 3TYLES MENU )N$ESIGN PLEASE REFER TO THE !DOBE IN WHILE IN 2)0 4RAPPING METHOD OF SEPARATIONS IN ORDER TO IS ALSO SET HERE TO CONTROL THE ORDER IN )N$ESIGN 5SER 'UIDE CAN CREATE TRAP ELEMENTS UP TO USE EITHER FORM OF TRAPPING WHICH COLORS PRINT 4HE ORDER CAN POINTS IN ALSO AFFECT TRAPPING #HANGE THESE
)N THE !SSIGN 4RAP 3TYLES DIALOG BOX INDIVIDUAL PAGES AND 4HE -ODIFY 4RAP 3TYLE /PTIONS DIALOG BOX CONTROLS THE RANGES OF PAGES ARE ASSIGNED TRAPPING STYLES CREATED IN THE 4HE )NK -ANAGER ALLOWS YOU TO ASSIGN INKS SET THE NAMED STYLES FOR TRAPPING MAKING IT EASIER TO APPLY PREVIOUS DIALOG BOX )N THIS EXAMPLE PAGE IS SET WITH NEUTRAL DENSITY OF AN INK AND SET THE SEQUENCE IN THE STYLES IN SUBSEQUENT DIALOG BOXES THE .O 4RAPPING STYLE PAGE WITH THE "IG 4RAP STYLE AND WHICH INKS PRINT )N THIS EXAMPLE SILVER IS DElNED PAGES WITH THE ,ITHO STYLE AS AN OPAQUE INK WHICH CONTROLS HOW THAT INK WILL TRAP RELATIVE TO THE OTHER COLORS
/PEN THE )NK -ANAGER FROM THE 0RINT DIALOG BOX
!DOBE !CROBAT )N0RODUCTION !DOBE !CROBAT )N0RODUCTION (OW TO USE !CROBAT )N0RODUCTION TRAPPING FEATURES (OW TO USE !CROBAT )N0RODUCTION TRAPPING FEATURES
/PEN THE 4RAPPING DIALOG BOX !PPLY TRAPPING SETTINGS BY DOING SELECT AND ADJUST THE TRAPPING WONT SPREAD 4HEN ENSURE THAT 5NDER .EW 3TYLE MAKE SELECTIONS &OR MORE INFORMATION ON SPECIFYING ONE OF THE FOLLOWING SPECIlCATIONS FOR THE DEFAULT PAGE INKS ARE SET TO PRINT IN THE FOR 4RAP 7IDTH 4RAP 4HRESHOLD AND TRAPPING PARAMETERS HERE SEE THE 3ELECT %NABLE 4RAPPING TO TURN ON ZONES YOU WANT TO CHANGE OR YOU PROPER ORDER )MAGES CAN BE SET 4HESE SETTINGS !DOBE !CROBAT )N0RODUCTION TRAPPING 4HE lRST TIME YOU s 4O APPLY THE SAME TRAPPING MUST CREATE NEW ZONES ON EACH ARE SIMILAR TO THOSE FOUND IN !DOBE 5SER 'UIDE ENABLE TRAPPING IN A DOCUMENT SETTINGS TO THE ENTIRE DOCUMENT AFFECTED PAGE 0ASTEL INKS ARE NORMALLY LIGHTER )N$ESIGN AND THEY ALLOW YOU TO !DOBE !CROBAT )N0RODUCTION CLICK /+ 4HEN CHOOSE &ILE THAN THEIR PROCESS EQUIVALENTS SET 3LIDING 4RAP AND 4RAP )MAGES AUTOMATICALLY CREATES AN INVISIBLE 3AVE !S AND SAVE THE DOCUMENT &OR EACH DOCUMENT YOU CAN ADJUST 9OU MAY WANT TO SET THE NEUTRAL )NTERNALLY FEATURES NOT AVAILABLE TRAP ZONE AROUND EACH PAGE AND USING A NEW NAME 5SING THE 3AVE ANY INKS NEUTRAL DENSITY OR INK DENSITY VALUE FOR THESE INKS LOWER IN !DOBE )N$ESIGN APPLIES THE $EVICE $EFAULT STYLE !S COMMAND KEEPS THE ORIGINAL TYPE THAT IS USED BY !DOBE IN 2)0 THAN THEIR DEFAULT VALUES TO ENSURE 4HIS STYLE INSTRUCTS THE 2)0 OR JOB 0$& lLE INTACT 4RAPPING TO DETERMINE THE PRECISE THAT THEY SPREAD INTO ANY ADJACENT 3ETTING 4RAP 3TYLES IS RECOMMENDED TICKET TO SPECIFY TRAPPING CONTROLS PLACEMENT OF TRAPS )N GENERAL YOU DARKER COLORS FOR ROUTINE PRINTING PROCESSES 4HESE FOR EACH PAGE ACCORDING TO DEVICE s 4O SPECIFY DIFFERENT TRAPPING SHOULD SET THE INK TYPE OF METALLIC STYLES CAN PRODUCE CONSISTENT AND SPECIlC PARAMETERS SETTINGS FOR SPECIlC AREAS IN OR OPAQUE SPOT COLORS TO /PAQUE RELIABLE TRAPS A DOCUMENT YOU MUST EITHER TO ENSURE THAT THESE SPOT COLORS
4HE .EW 3TYLE DIALOG BOX ALLOWS TRAPPING 3TYLES TO BE CREATED 4RAP 7IDTHS ARE SET IN THIS WINDOW .OTICE !DDITIONAL DETAIL SETTINGS ARE MADE IN THIS THAT BLACK CAN HAVE A DIFFERENT VALUE THAN THE 4HIS POP UP MENU MENU .OTE THAT 3LIDING 4RAP CAN BE SET THERE OTHER COLORS IN A DOCUMENT OPENS THE )NKS PALETTE .EUTRAL $ENSITY SETTINGS CAN BE MODIlED IN THIS WINDOW
!DOBE !CROBAT )N0RODUCTION !DOBE !CROBAT )N0RODUCTION (OW TO USE !CROBAT )N0RODUCTION TRAPPING FEATURES (OW TO USE !CROBAT )N0RODUCTION TRAPPING FEATURES
/PEN THE 4RAPPING DIALOG BOX !PPLY TRAPPING SETTINGS BY DOING SELECT AND ADJUST THE TRAPPING WONT SPREAD 4HEN ENSURE THAT 5NDER .EW 3TYLE MAKE SELECTIONS &OR MORE INFORMATION ON SPECIFYING ONE OF THE FOLLOWING SPECIlCATIONS FOR THE DEFAULT PAGE INKS ARE SET TO PRINT IN THE FOR 4RAP 7IDTH 4RAP 4HRESHOLD AND TRAPPING PARAMETERS HERE SEE THE 3ELECT %NABLE 4RAPPING TO TURN ON ZONES YOU WANT TO CHANGE OR YOU PROPER ORDER )MAGES CAN BE SET 4HESE SETTINGS !DOBE !CROBAT )N0RODUCTION TRAPPING 4HE lRST TIME YOU s 4O APPLY THE SAME TRAPPING MUST CREATE NEW ZONES ON EACH ARE SIMILAR TO THOSE FOUND IN !DOBE 5SER 'UIDE ENABLE TRAPPING IN A DOCUMENT SETTINGS TO THE ENTIRE DOCUMENT AFFECTED PAGE 0ASTEL INKS ARE NORMALLY LIGHTER )N$ESIGN AND THEY ALLOW YOU TO !DOBE !CROBAT )N0RODUCTION CLICK /+ 4HEN CHOOSE &ILE THAN THEIR PROCESS EQUIVALENTS SET 3LIDING 4RAP AND 4RAP )MAGES AUTOMATICALLY CREATES AN INVISIBLE 3AVE !S AND SAVE THE DOCUMENT &OR EACH DOCUMENT YOU CAN ADJUST 9OU MAY WANT TO SET THE NEUTRAL )NTERNALLY FEATURES NOT AVAILABLE TRAP ZONE AROUND EACH PAGE AND USING A NEW NAME 5SING THE 3AVE ANY INKS NEUTRAL DENSITY OR INK DENSITY VALUE FOR THESE INKS LOWER IN !DOBE )N$ESIGN APPLIES THE $EVICE $EFAULT STYLE !S COMMAND KEEPS THE ORIGINAL TYPE THAT IS USED BY !DOBE IN 2)0 THAN THEIR DEFAULT VALUES TO ENSURE 4HIS STYLE INSTRUCTS THE 2)0 OR JOB 0$& lLE INTACT 4RAPPING TO DETERMINE THE PRECISE THAT THEY SPREAD INTO ANY ADJACENT 3ETTING 4RAP 3TYLES IS RECOMMENDED TICKET TO SPECIFY TRAPPING CONTROLS PLACEMENT OF TRAPS )N GENERAL YOU DARKER COLORS FOR ROUTINE PRINTING PROCESSES 4HESE FOR EACH PAGE ACCORDING TO DEVICE s 4O SPECIFY DIFFERENT TRAPPING SHOULD SET THE INK TYPE OF METALLIC STYLES CAN PRODUCE CONSISTENT AND SPECIlC PARAMETERS SETTINGS FOR SPECIlC AREAS IN OR OPAQUE SPOT COLORS TO /PAQUE RELIABLE TRAPS A DOCUMENT YOU MUST EITHER TO ENSURE THAT THESE SPOT COLORS
4HE .EW 3TYLE DIALOG BOX ALLOWS TRAPPING 3TYLES TO BE CREATED 4RAP 7IDTHS ARE SET IN THIS WINDOW .OTICE !DDITIONAL DETAIL SETTINGS ARE MADE IN THIS THAT BLACK CAN HAVE A DIFFERENT VALUE THAN THE 4HIS POP UP MENU MENU .OTE THAT 3LIDING 4RAP CAN BE SET THERE OTHER COLORS IN A DOCUMENT OPENS THE )NKS PALETTE .EUTRAL $ENSITY SETTINGS CAN BE MODIlED IN THIS WINDOW
!DOBE 0AGE-AKER !DOBE 0AGE-AKER (OW TO USE 0AGE-AKER TRAPPING FEATURES (OW TO USE 0AGE-AKER TRAPPING FEATURES
4O USE THE IN 2)0 4RAPPING PLUG IN 4RAP 3TYLE SETTINGS 4HE IN 2)0 4RAPPING PLUG IN GIVES YOU PLUG IN GIVES YOU 4O GET A COLOR TO BEHAVE AS A SUBOR s #HOOSE 4RANSPARENT FOR VARNISHES PREVENT TRAPPING ALONG THE INKS COPY IT INTO THE !DOBE 0AGE-AKER 4HE 3TYLES DIALOG BOX LETS YOU lNE TOOLS FOR HANDLING THESE SITUATIONS DINATE COLOR BEING SPREAD INTO OTHER AND OTHER CLEAR INKS TO ENSURE EDGES 5SE THIS OPTION FOR INKS THAT PLUG INS FOLDER !FTER YOU INSTALL TUNE THE TRAPPING SETTINGS FOR EACH )N THE )NKS DIALOG BOX CHOOSE -ODIFY COLORS REDUCE THE NEUTRAL DENSITY TRAPPING OF UNDERLYING ITEMS HAVE UNDESIRABLE INTERACTIONS WITH THE PLUG IN THE IN 2)0 4RAPPING STYLE YOU CREATE TO REACH THE #URRENT )NK DIALOG BOX VALUE 4O MAKE THE INK BEHAVE AS A 5SE THIS OPTION FOR VARNISHES OTHER INKS COMMAND APPEARS IN THE 5TILITIES WHERE THE COLORS CHARACTERISTICS DOMINANT COLOR INCREASE ITS NEUTRAL AND DIE LINE INKS 0LUG INS MENU 7ORKING WITH SPECIALTY INKS CAN BE MODIlED FOR THE TRAPPING DENSITY TO A VALUE HIGHER THAN THE &OR MORE INFORMATION ON SPECIFYING #ERTAIN INKS REQUIRE SPECIAL TRAPPING CONTROLS )T IS IN THIS DIALOG BOX THAT VALUE OF THE INK YOU WISH TO SEE s #HOOSE /PAQUE FOR HEAVY NON TRAPPING PARAMETERS USING THE 4O DOWNLOAD THE LATEST VERSION OF THIS CONSIDERATIONS &OR EXAMPLE IF NEUTRAL DENSITY IS SET ! MEASURED SPREAD INTO THIS COLOR TRANSPARENT INKS TO PREVENT TRAPPING !DOBE IN 2)0 4RAPPING PLUG IN FOR PLUG IN GO TO !DOBES 7EB SITE AT HTTP YOU USE A TRANSPARENT VARNISH ON NEUTRAL DENSITY CAN BE MADE WITH A OF UNDERLYING COLORS BUT TO ALLOW 0AGE-AKER SEE THE !DOBE IN 2)0 WWWADOBECOMSUPPORTDOWNLOADS A PUBLICATION YOU WANT TRAPS FOR DENSITOMETER ON A SAMPLE OF THE ACTUAL )NK 4YPE IS ANOTHER OPTION IN THIS TRAPPING ALONG THE INKS EDGES 5SE 4RAPPING 5SER 'UIDE A 0$& lLE MAINHTML COLORED ITEMS UNDERNEATH AS IF NO INK AND THEN ENTERED INTO THIS DIALOG DIALOG BOX 4HE CHOICES FOR THIS THIS OPTION FOR METALLIC INKS INCLUDED WITH THE !DOBE IN 2)0 VARNISH WERE PRESENT !LTERNATELY OR YOU CAN USE THE !DOBE 0AGE-AKER OPTION INCLUDE THE FOLLOWING 4RAPPING PLUG IN 4RAP STYLES IF YOU OVERPRINT CERTAIN AREAS WITH DEFAULTS AND MODIFY THE INKS s #HOOSE /PAQUE )GNORE FOR HEAVY 4HE IN 2)0 TRAPPING PLUG IN LETS YOU A METALLIC INK WHICH IS COMPLETELY NEUTRAL DENSITY TO FORCE THE TRAPPING s #HOOSE .ORMAL FOR TRADITIONAL FOR TRADITIONAL NON TRANSPARENT INKS TO PREVENT CUSTOMIZE TRAPPING SETTINGS AND STORE OPAQUE YOU DONT NEED TO CREATE ALGORITHMS TO TREAT THE PROCESS INKS AND MOST SPOT INKS TRAPPING OF UNDERLYING COLORS AND GROUPS OF SETTINGS AS 4RAP 3TYLES TRAPS FOR ITEMS UNDERNEATH COLOR DIFFERENTLY
4HE #URRENT )NK DIALOG BOX LETS YOU CHANGE AN INKS NEUTRAL DENSITY AND ITS TYPE 4HIS DIALOG BOX DESCRIBES THE INKS AND THEIR PRINTING ORDER 4O CHANGE THE ORDER SELECT THE INK COLOR AND CLICK THE -OVE $OWN BUTTON 4O CHANGE NEUTRAL 4RAPPING SETTINGS ARE MADE IN THIS DIALOG BOX INCLUDING DENSITY CLICK THE -ODIFY BUTTON TRAP THICKNESS AND BLACK WIDTH WHICH CAN BE DIFFERENT 4HIS POP UP MENU OPENS THE 3TYLES AND )NKS DIALOG BOXES FROM THE OTHER COLORS IN A PUBLICATION RIGHT !FTER SET UP IS COMPLETE CLICKING /+ ENABLES TRAPPING TO OCCUR AT THE TIME OF PRINTING .OTE THAT THE 0AGE-AKER IN 2)0 TRAP PLUG IN WORKS WITH !DOBE 0OST3CRIPT IN 2)0 SYSTEMS
!DOBE 0AGE-AKER !DOBE 0AGE-AKER (OW TO USE 0AGE-AKER TRAPPING FEATURES (OW TO USE 0AGE-AKER TRAPPING FEATURES
4O USE THE IN 2)0 4RAPPING PLUG IN 4RAP 3TYLE SETTINGS 4HE IN 2)0 4RAPPING PLUG IN GIVES YOU PLUG IN GIVES YOU 4O GET A COLOR TO BEHAVE AS A SUBOR s #HOOSE 4RANSPARENT FOR VARNISHES PREVENT TRAPPING ALONG THE INKS COPY IT INTO THE !DOBE 0AGE-AKER 4HE 3TYLES DIALOG BOX LETS YOU lNE TOOLS FOR HANDLING THESE SITUATIONS DINATE COLOR BEING SPREAD INTO OTHER AND OTHER CLEAR INKS TO ENSURE EDGES 5SE THIS OPTION FOR INKS THAT PLUG INS FOLDER !FTER YOU INSTALL TUNE THE TRAPPING SETTINGS FOR EACH )N THE )NKS DIALOG BOX CHOOSE -ODIFY COLORS REDUCE THE NEUTRAL DENSITY TRAPPING OF UNDERLYING ITEMS HAVE UNDESIRABLE INTERACTIONS WITH THE PLUG IN THE IN 2)0 4RAPPING STYLE YOU CREATE TO REACH THE #URRENT )NK DIALOG BOX VALUE 4O MAKE THE INK BEHAVE AS A 5SE THIS OPTION FOR VARNISHES OTHER INKS COMMAND APPEARS IN THE 5TILITIES WHERE THE COLORS CHARACTERISTICS DOMINANT COLOR INCREASE ITS NEUTRAL AND DIE LINE INKS 0LUG INS MENU 7ORKING WITH SPECIALTY INKS CAN BE MODIlED FOR THE TRAPPING DENSITY TO A VALUE HIGHER THAN THE &OR MORE INFORMATION ON SPECIFYING #ERTAIN INKS REQUIRE SPECIAL TRAPPING CONTROLS )T IS IN THIS DIALOG BOX THAT VALUE OF THE INK YOU WISH TO SEE s #HOOSE /PAQUE FOR HEAVY NON TRAPPING PARAMETERS USING THE 4O DOWNLOAD THE LATEST VERSION OF THIS CONSIDERATIONS &OR EXAMPLE IF NEUTRAL DENSITY IS SET ! MEASURED SPREAD INTO THIS COLOR TRANSPARENT INKS TO PREVENT TRAPPING !DOBE IN 2)0 4RAPPING PLUG IN FOR PLUG IN GO TO !DOBES 7EB SITE AT HTTP YOU USE A TRANSPARENT VARNISH ON NEUTRAL DENSITY CAN BE MADE WITH A OF UNDERLYING COLORS BUT TO ALLOW 0AGE-AKER SEE THE !DOBE IN 2)0 WWWADOBECOMSUPPORTDOWNLOADS A PUBLICATION YOU WANT TRAPS FOR DENSITOMETER ON A SAMPLE OF THE ACTUAL )NK 4YPE IS ANOTHER OPTION IN THIS TRAPPING ALONG THE INKS EDGES 5SE 4RAPPING 5SER 'UIDE A 0$& lLE MAINHTML COLORED ITEMS UNDERNEATH AS IF NO INK AND THEN ENTERED INTO THIS DIALOG DIALOG BOX 4HE CHOICES FOR THIS THIS OPTION FOR METALLIC INKS INCLUDED WITH THE !DOBE IN 2)0 VARNISH WERE PRESENT !LTERNATELY OR YOU CAN USE THE !DOBE 0AGE-AKER OPTION INCLUDE THE FOLLOWING 4RAPPING PLUG IN 4RAP STYLES IF YOU OVERPRINT CERTAIN AREAS WITH DEFAULTS AND MODIFY THE INKS s #HOOSE /PAQUE )GNORE FOR HEAVY 4HE IN 2)0 TRAPPING PLUG IN LETS YOU A METALLIC INK WHICH IS COMPLETELY NEUTRAL DENSITY TO FORCE THE TRAPPING s #HOOSE .ORMAL FOR TRADITIONAL FOR TRADITIONAL NON TRANSPARENT INKS TO PREVENT CUSTOMIZE TRAPPING SETTINGS AND STORE OPAQUE YOU DONT NEED TO CREATE ALGORITHMS TO TREAT THE PROCESS INKS AND MOST SPOT INKS TRAPPING OF UNDERLYING COLORS AND GROUPS OF SETTINGS AS 4RAP 3TYLES TRAPS FOR ITEMS UNDERNEATH COLOR DIFFERENTLY
4HE #URRENT )NK DIALOG BOX LETS YOU CHANGE AN INKS NEUTRAL DENSITY AND ITS TYPE 4HIS DIALOG BOX DESCRIBES THE INKS AND THEIR PRINTING ORDER 4O CHANGE THE ORDER SELECT THE INK COLOR AND CLICK THE -OVE $OWN BUTTON 4O CHANGE NEUTRAL 4RAPPING SETTINGS ARE MADE IN THIS DIALOG BOX INCLUDING DENSITY CLICK THE -ODIFY BUTTON TRAP THICKNESS AND BLACK WIDTH WHICH CAN BE DIFFERENT 4HIS POP UP MENU OPENS THE 3TYLES AND )NKS DIALOG BOXES FROM THE OTHER COLORS IN A PUBLICATION RIGHT !FTER SET UP IS COMPLETE CLICKING /+ ENABLES TRAPPING TO OCCUR AT THE TIME OF PRINTING .OTE THAT THE 0AGE-AKER IN 2)0 TRAP PLUG IN WORKS WITH !DOBE 0OST3CRIPT IN 2)0 SYSTEMS
!DOBE TECHNOLOGY PARTNERS 7HERE TO lND !DOBE TRAPPING TECHNOLOGIES !DOBE 4RAPPING TECHNOLOGY PARTNERS
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