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Archive 2012 · Huge TIF file: why?
  
 
dalek53
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p.1 #1 · p.1 #1 · Huge TIF file: why?


Hi

I have a regular job doing a magazine cover. My workflow is to edit the image, then flatten it and convert to CMYK TIF for the client with the profile they supplied, then send it to them with Yousend it. Although the pixel dimensions don't vary, the file size does, but is usually a reasonable if large file - around 30MB tops.

Today, my flattened file is 342MB, way larger than my usual file size and obviously rather problematic to send.

Anyone got any ideas how this happened and what I can do to get it saved at a smaller size?

Thanks for any help

Guy



Aug 10, 2012 at 08:34 PM
Ho1972
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p.1 #2 · p.1 #2 · Huge TIF file: why?


16 bit w/ extra alpha channels? Inadvertent uprez or resize? That's a big jump in file size, probably more than can be accounted for even if you did both of those things.

Edited on Aug 10, 2012 at 08:50 PM · View previous versions



Aug 10, 2012 at 08:45 PM
dalek53
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p.1 #3 · p.1 #3 · Huge TIF file: why?


Hi Howard

Thanks for the reply. No alpha channels but on the money with accidental 16bit.

Taking it back down to 8bit has brought it down to 172MB, still huge. Any other ideas?

Guy



Aug 10, 2012 at 08:50 PM
dalek53
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p.1 #4 · p.1 #4 · Huge TIF file: why?


Actually you were also right about the resize, I don't know how that happened. Many thanks, that should get me back on track.

BW

Guy



Aug 10, 2012 at 08:51 PM
Ho1972
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p.1 #5 · p.1 #5 · Huge TIF file: why?


We cross posted (I edited my first post)...

Are you *sure* it's flattened and the pixel sizes and resolution are what they're supposed to be?



Aug 10, 2012 at 08:53 PM
dalek53
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p.1 #6 · p.1 #6 · Huge TIF file: why?


Somehow 300pixels per inch had gone to 300 pixels per centimetre. Thanks again.

Guy



Aug 10, 2012 at 08:53 PM
 

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Ho1972
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p.1 #7 · p.1 #7 · Huge TIF file: why?


You type and think faster than I do...


Aug 10, 2012 at 08:53 PM
Peter Figen
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p.1 #8 · p.1 #8 · Huge TIF file: why?


I was going to suggest the metric dimension but it's already there. The other big variable is compression. I alway zip compress my yousendit files, as it often dramatically decreases the file sizes and shortens the upload and download times, but for me, 30 mb would be tiny. I'm often slinging files between one and two gigs, and any size reduction there makes a difference.


Aug 10, 2012 at 09:38 PM
Ho1972
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p.1 #9 · p.1 #9 · Huge TIF file: why?


Peter Figen wrote:
I'm often slinging files between one and two gigs, and any size reduction there makes a difference.


That would put me over my bandwidth cap in less than a week...



Aug 10, 2012 at 11:12 PM
EB-1
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p.1 #10 · p.1 #10 · Huge TIF file: why?


PNG will help somewhat.

EBH



Aug 11, 2012 at 12:29 AM
Jeffrey
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p.1 #11 · p.1 #11 · Huge TIF file: why?


Damn those nasty centimeters.


Aug 14, 2012 at 01:56 AM





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