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File Management/Different Image Sizes

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  #1  
Old 01-29-2012, 09:48 AM
rlualhati rlualhati is offline
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File Management/Different Image Sizes

Hello All,

I was wondering how everyone else handles file management and different image crops/sizes.

Do you have a separate files for each crop/size?

I currently have one file for 5x7 and 8x10 crops....but now I need to go to 11x14 and beyond. I worked with just one Photoshop file with the largest document dimensions. I would crop in Photoshop to 5x7 and throw up guides to "save" the size. Then I do a Reveal All and start over using an 8x10 size.

However, I need to upsample to 11x14 using Stair Interpolation -- which kinda throws out my previous methodology since I can't easily bring it file back to the original document dimensions after I save and close or something.

So is the next option to save a copy of the .psd file? Does that get cumbersome to have multiple files to manage? Especially with future edits and disk space?

Just wondering....

Thanks!
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Old 01-29-2012, 10:03 AM
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Chain Chain is offline
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Re: File Management/Different Image Sizes

Keep the original PSD the way you have it now. Personally I would save a flattened copy for each crop. Save it as LZW-compressed TIFF, or JPEG at max. quality. The files are then all ready to be printed etc. (remember to embed the colour profile).

LZW-compressed TIFF will roughly cut size to 50%.
JPEG at max quality will roughly cut size to 10%.
The choice depends on the number of images/available disk space...

Note: JPEG will incur a (not noticeable) quality loss at maximum quality. Do not do any more edits to the file after it is converted to JPEG (the loss will increase). The advantage is that you will save a lot of disk space.
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Old 01-29-2012, 10:12 AM
rlualhati rlualhati is offline
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Re: File Management/Different Image Sizes

Hi Chain.

Thanks for the quick response!

Sorry...I forgot to mention that, yes, I save the individual crops to separate .jpg files. I was wondering about if people have separate .psd files for each size.
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Old 01-29-2012, 11:12 AM
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Chain Chain is offline
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Re: File Management/Different Image Sizes

I don't see a purpose to having a large PSD for each crop.
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Old 01-29-2012, 12:01 PM
rlualhati rlualhati is offline
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Re: File Management/Different Image Sizes

I think the biggest flaw in my workflow is when the sharpening is applied.

I know the general rule of thumb is that sharpening is the LAST action you do. I kinda broke that rule when I basically toggled back and forth from 5x7 and 8x10 crops. But I should be ok because I do not re-sample when I crop. So it really shouldn't matter....

But when I upsample to 11x14 and larger, I'll need to output sharpen to clean up. That's when I think it starts to get messy.

Overall thoughts?
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Old 01-29-2012, 01:47 PM
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andrewrodney andrewrodney is offline
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Re: File Management/Different Image Sizes

Quote:
Originally Posted by rlualhati View Post
I know the general rule of thumb is that sharpening is the LAST action you do.
Nope. Check your other thread about sharpening.
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Old 10-10-2012, 08:27 AM
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Re: File Management/Different Image Sizes

Quote:
Originally Posted by andrewrodney View Post
Nope. Check your other thread about sharpening.
As this thread jumped to the top anyway due to the spambot, I can expand on andrew's answer (for future reference if someone pops by). We usually consider it to be three stages of sharpening:

1. Input/capture sharpening. Before editing. This is to compensate for the slight blur by the capture device (camera/scanner). Typically you'd do this in Camera Raw. Fairly small radius (perhaps 1 px), not too strong, should not give any visible halos.

2. Sharpen for effect/creative sharpening. During editing. Optional. This is if you want something extra, like extra sharpening of the eyes, local contrast enhancement, etc.

3. Output sharpening. The last step. After any resampling to the correct output size. This is to compensate for the output device (and blur caused by resampling). Settings depend heavily on variables like output device and view distance. On regular 300 ppi prints to be viewed up close we're talking around 1,2-3 px. For 1:1 viewing on screen perhaps 0,3-1 px with a lower strength.
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