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 Pre-press trivia, anyone?

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Alex Dulay



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Location : Manila
Member since : 2008-12-30

PostSubject: Pre-press trivia, anyone?   Wed Sep 16, 2009 7:53 am

Let's keep this forum alive, kahit mukhang trivia lang ok na ok.

I'll start.

What are the meaning of the numbers in PDF 1.3, 1.4, 1.5 and so on?

Add the numbers in PDF 1.3 which is equals to 4. This means that PDF 1.3 is Acrobat 4 compatible.
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fotostuff



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PostSubject: Re: Pre-press trivia, anyone?   Sat Sep 19, 2009 7:42 pm

can you please give advise regarding difference and advantages of
epic dampening over conventional or alcolor/ alcohol. i was offered a heidel machine with epic damps. di ko alam kasi yun. thnks po
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Alex Dulay



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PostSubject: Re: Pre-press trivia, anyone?   Sun Sep 20, 2009 4:45 am

http://www.epicproducts.com/delta/press.htm

Maybe that link can help you.
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Alex Dulay



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PostSubject: Re: Pre-press trivia, anyone?   Tue Sep 22, 2009 1:41 am

Another trivia:

"Pixels" is short for "picture element".
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aurelzki



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PostSubject: Re: Pre-press trivia, anyone?   Tue Sep 29, 2009 5:16 pm

Makapag share lang Sir Alex,


"lpi x 2 = dpi" Very Happy
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CIECAM

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PostSubject: Re: Pre-press trivia, anyone?   Thu Oct 22, 2009 1:26 pm

Sa commercial na SURF ( How to whiten your paper)

1. Kailangan mo si Lola OBAng - Optical Brightening Agent

2. Lumen

Huwag po niniyo susobrahan ng OBA baka d na kayo makapasa sa ISO.

Kung may concern, tawagan si Sir Larry he he
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Sandman

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PostSubject: Re: Pre-press trivia, anyone?   Thu Oct 22, 2009 4:26 pm

Hehehe....alalay lang sa paglalaba CIECAM. Baka ma-washout ang highlights ng damit. Ihiwalay ang puti sa di-kolor otherwise baka magbago ang Delta C and Delta H ng nilalabhan....di ka papasa sa ISO standards ng paglalaba. I need a vacation once again. Feeling ko nga nasisiraan na ako ng bait. Bago ako maglaba gusto ko pang sukatin ang pH and conductivity ng tubig. hehehe.

Glad to have you back.

Larry
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aurelzki



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PostSubject: Re: Pre-press trivia, anyone?   Tue Oct 27, 2009 9:14 pm

0 cmyk = white, 0 rgb = black cheers
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CIECAM

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PostSubject: Re: Pre-press trivia, anyone?   Wed Oct 28, 2009 4:09 pm

aurelzki wrote:
0 cmyk = white, 0 rgb = black cheers

CMYK - subtractive
RGB - additive
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Doctor Blade

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PostSubject: Re: Pre-press trivia, anyone?   Thu Oct 29, 2009 11:36 pm

Here's a trivia question...

Is it safe for a YELLOW color separation 0 degree angle, to be interchanged with a BLACK color separation 45 degrees angle?

YES or NO?
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Alex Dulay



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PostSubject: Re: Pre-press trivia, anyone?   Fri Oct 30, 2009 3:24 am

No.
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Alex Dulay



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PostSubject: Re: Pre-press trivia, anyone?   Fri Oct 30, 2009 3:14 pm

There are two versions of PDF/X-1a.

1. PDF/X-1a:2001
2. PDF/X-1a:2003
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aurelzki



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PostSubject: Re: Pre-press trivia, anyone?   Fri Oct 30, 2009 4:49 pm

Why there has no PDF/X-1a:2002?
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Alex Dulay



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PostSubject: Re: Pre-press trivia, anyone?   Fri Oct 30, 2009 9:33 pm

Quote :
Why there has no PDF/X-1a:2002?

Ey, musta, brod?

Maybe they were busy in 2002 deliberating the changes they approved in PDF/X-1a:2003 and PDF/X-3:2003. (i am just speculating, hehehe).

However, there is PDF/X-3:2002.
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Alex Dulay



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PostSubject: Re: Pre-press trivia, anyone?   Sun Nov 01, 2009 3:29 am

PDF/X = PDF for eXchange.

PDF/X-1a:2001 is based on PDF 1.3

PDF/X-1a:2003 is based on PDF 1.4 (but transparency and security are also not allowed)

Just curious, who among us using full PDF/X workflow?
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aurelzki



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PostSubject: Re: Pre-press trivia, anyone?   Sun Nov 01, 2009 5:00 pm

Alex Dulay wrote:
Ey, musta, brod?


Ayos lang ako dito, medyo nag-eenjoy sa pag manipulate ng mga files from new clients, halos karamihan ng ipinapadalang pdf file dami ang problema, may full colors ang body text sa color page, mga font problem. etc.
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Doctor Blade

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PostSubject: Re: Pre-press trivia, anyone?   Wed Nov 04, 2009 4:47 am

The first version of PDF/X, PDF/X-1, was produced on a Scitex Brisque Software system and imaged on a Creo CTP Device for Time Inc.

PDF/X-3 is intended for color-managed workflows.

For the past eight years, commercial and packaging printers have been struggling to process files containing transparency (PDF 1.4).
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Alex Dulay



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PostSubject: Re: Pre-press trivia, anyone?   Thu Nov 05, 2009 2:47 am

Quote :
For the past eight years, commercial and packaging printers have been struggling to process files containing transparency (PDF 1.4).

The reason why PDF/X-1a:2001 is still widely used by commercial printers.
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Alex Dulay



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PostSubject: Re: Pre-press trivia, anyone?   Thu Nov 05, 2009 3:38 am

Quote :
The reason why PDF/X-1a:2001 is still widely used by commercial printers.

correcting myself...should be...

One of the reasons

And to avoid confusions:

PDF/X's are standards defined by ISO.

PDF 1.3...1.4 and so on are Adobe Acrobat's.
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CIECAM

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PostSubject: Re: Pre-press trivia, anyone?   Thu Nov 05, 2009 11:05 am

Did you know that Postcript is the first product of Adobe?
It was formed by two Computer Experts by the name of Chuck Geschke and John Warnock who work for Fuji Xerox and then Founded Adobe
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soulreaver



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PostSubject: Re: Pre-press trivia, anyone?   Fri Apr 23, 2010 1:50 pm

ICC - International Color Consortium
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dan

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PostSubject: Re: Pre-press trivia, anyone?   Wed Apr 28, 2010 12:42 am

CIECAM wrote:
aurelzki wrote:
0 cmyk = white, 0 rgb = black cheers

CMYK - subtractive
RGB - additive

sir, bkit po subtractive & additive
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presstech

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PostSubject: Re: Pre-press trivia, anyone?   Wed Apr 28, 2010 10:27 am

RGB (red, green, blue) refers to projected light; and are thus referred to as the primary additive colors. When you project red, green and blue light on a common area; the area will be white.

CMY (cyan, magenta, yellow) refers to color that act as filters to a white light source; and are thus referred to as the primary subtractive colors. When cyan, magenta and yellow filters are placed simultaneously in front of a white light source; they will effectively block the light from passing through, resulting in black. Offset process ink act as transparent filters to block RGB light reflected from the white paper. sunny
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soulreaver



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PostSubject: Re: Pre-press trivia, anyone?   Wed May 05, 2010 11:26 am

presstech wrote:
RGB (red, green, blue) refers to projected light; and are thus referred to as the primary additive colors. When you project red, green and blue light on a common area; the area will be white.

CMY (cyan, magenta, yellow) refers to color that act as filters to a white light source; and are thus referred to as the primary subtractive colors. When cyan, magenta and yellow filters are placed simultaneously in front of a white light source; they will effectively block the light from passing through, resulting in black. Offset process ink act as transparent filters to block RGB light reflected from the white paper. sunny

Color Theory Basic.. hehe..
Thats why our monitors have RGB gamut,
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