Will 599dpi be affected by editing?

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SyncroScales
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Will 599dpi be affected by editing?

Post by SyncroScales »

Hi. I scanned some old pictures at 600 dpi. Using a Canon CanoScan LiDE 700F and PSPPX3 Ultimate.

I had to take the bmp images out of the temp folder last night since I need to shut my computer down. The bmp files were the scans, but not exported yet. They open in image viewing programs, but they are not cropped or anything.

I wanted to export them as tif and jpeg files. Then I'd edit some. I was wondering if this weird dpi number they now have at 599 instead of 600 will be a problem. Could an image viewer, editor or editing, etc maybe have issues? Or dpi being moved, rotated, effects applied, etc would be a problem? What about using it in a program like CorelDraw, would that have issues?

Thanks.
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df
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Re: Will 599dpi be affected by editing?

Post by df »

If you haven't changed the actual pixel count then you have only changed a number and not actually affected any pixels. Are the files smaller on the hard drive or is it the same size? If the 6.5mb jpeg (just an example) is still a 6.5mb jpeg then you're fine.

http://www.rideau-info.com/photos/mythdpi.html

DPI, without specifying a print size, is a somewhat meaningless number. It's like saying "will a car going 50 miles an hour go further than a car going 35 miles an hour?". The answer will vary greatly if you don't specify a time span.
Regards, Dan

"Smoke me a kipper, I'll be back for breakfast."
SyncroScales
Posts: 59
Joined: Fri Sep 17, 2010 12:58 pm
operating_system: Windows XP Home
System_Drive: C
32bit or 64bit: 32 Bit
motherboard: ASUS M3N78-VM
processor: AMD Phenom II 965 3.4Ghz
ram: 4 Gb - 3.5
Video Card: nVidia GeForce GT 430
sound_card: On board
Hard_Drive_Capacity: 6.5Tb+ext
Monitor/Display Make & Model: LG W2442PA
Location: Canada
Contact:

Re: Will 599dpi be affected by editing?

Post by SyncroScales »

The files were slightly smaller. They were copies.
- Desktop: AsusM3N78-VM|AMDPhenomII965,3.4Ghz|XP-HomEd32bitSP3/VistaHomPrem32bitSP2|3.5GbRAM(4Gb)|nVidiaGeForceGT430|InternalAndExternalDrives
- Laptop: AMDAthlon64X2DualCore3800+2Ghz|3GbRAM|VistaHomePrem64bitSP2|ATI3100|InternalAndExternalDrives
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