I'm not sure I understand your question...but...normally the Yellow is printed at the zero angle. With halftone screening 0°, 90°, 180° and 270° are all the same angle. When measuring angles, some countries place the 0° as the vertical angle while some countries place the 0° as the horizontal angle. But for halftone screening this does not matter since 0° and 90° are the same.
This might just be a no go all together but I have a 9 spot colour job that is going to be screen printed and I was going to set the screen angle as we are going to need half tone through each colour to be able to print it. Is this just a no go? Each colour would be around the 40degrees....?
Well you're certainly in a pickle. But honestly, I can't imagine any art that requires 9 halftone screened colors printed on top of each other. After awhile the colors will just cancel out the ones below them. So I'd take a hard look at the art and simplify it so that it makes production sense.
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Formerly Print Quality Marketing Manager for eleven years at Creo/Kodak. Presented at print technical conferences, trained printers and buyers regarding print quality issues in Europe, N. America, and S.E. Asia. Articles published in trade journals, co-authored TAGA paper on halftone screening, authored BRIDG's guide to halftone screening. Previously Technical Director of Western Canada's largest commercial sheetfed shop. For several years Professor of Digital Graphic Design at Emily Carr University. Former Creative Director at McCann Ericksson Vancouver.
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where the zero angle is directed to?
ReplyDeleteI'm not sure I understand your question...but...normally the Yellow is printed at the zero angle. With halftone screening 0°, 90°, 180° and 270° are all the same angle. When measuring angles, some countries place the 0° as the vertical angle while some countries place the 0° as the horizontal angle. But for halftone screening this does not matter since 0° and 90° are the same.
ReplyDeleteHi Gordon,
ReplyDeleteLove your blog.
This might just be a no go all together but I have a 9 spot colour job that is going to be screen printed and I was going to set the screen angle as we are going to need half tone through each colour to be able to print it. Is this just a no go? Each colour would be around the 40degrees....?
Tamara
@Tamara
ReplyDeleteWell you're certainly in a pickle. But honestly, I can't imagine any art that requires 9 halftone screened colors printed on top of each other. After awhile the colors will just cancel out the ones below them. So I'd take a hard look at the art and simplify it so that it makes production sense.
best, gordo