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54 Cards in this Set
- Front
- Back
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what is object trapping
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vector and raster images that overlap
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vector and raster images that overap are known as
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object trapping
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why do we need trapping
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misregister that creates a white space between two objects
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when two objects create a white space due to misregister we need to
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trap
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what does trapping provide
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margin of error
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a margin of error is provided by
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trapping
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what does trapping reduce
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likeliness of seeing the misregistration in the final product
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the likliness of seeing misregistation in the final product can be rudeuced by
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trapping
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what is ink trapping
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amount of ink printed ontop of another ink
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amount of ink printed ontop of another ink is known as
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ink trapping
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how many types of trapping is there
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two
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what are the two types of trapping
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ink and object
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ink and objects are the two kinds of
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trapping
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what is over print
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one color prints ontop of another
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when one color prints ontop of another color its known as
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overprint
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because colors are trasparent we use _______ to create diff colors
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over print
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what does over print need colors to be in order to create different colors
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transparent
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what color always over prints other colors
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black
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what does black always do to other colors
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over prints
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what is pointless to trap
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small black type
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small black type is
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pointless to trap
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what will happen anyway if you trap small black type
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it will over print
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it will overprint anyway if you trap
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small black type
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what is the only exceptopn for black
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opaque ink over large black type
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what is knock out opposite to
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over print
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the opposit of over print is
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knock out
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knock out is when
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the object removes all image blow and prints only that object
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when the top object removes all below its known as
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knok out
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when chromatic inks (non black) get knocked out
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keep back
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what does keep back do
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knocks out chromatic ink and revese texts
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what is spread
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expansion of lighter color to darker color (compensate press misregistration)
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what compensates for press misregistation
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spread
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spread is when
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light color goes into a darker color
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lighter colors going into a darker color is known as
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spread
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what makes slight misregistatation less notice able
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slight overlap
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slight overlap makes __________ less notticeable
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misresigstation
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what is choke
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contraction of light into dark
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contraction of light into a dark is
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choke
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what involoves distrotion of the shape
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choke
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choke does what to a object
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distorts
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when there are separate colors you shoud ( TRAP OR NOT TRAP)
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not trap
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common colors should always be trapped or not trapped
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not trapped
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what should you trap ink or color
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inks
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inks should be
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trapped
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colors should not be
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trapped
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for RIP what colors trap good
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solid colors
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solid colors trap
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well
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complex images (rip) Do or dont need trappng
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dont
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what area usually needs trapping for RIP o
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outside edges
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outsides edges for rip images usually need
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trapping
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trap amounts are also known as
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measure ponints or measure rows
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measure rows or points are also
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trap amounts
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what is 1/4" point of trapp allowance usually same as
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1/2 row of dots
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1/2 row of dots is equivlent to
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1/4 points
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