Resolution mismatch issue in Photoshop CS3…

PS
Posted By
Peter_Stroisz
Apr 29, 2008
Views
198
Replies
4
Status
Closed
Here’s a problem that I haven’t been able to find an answer to…

I converted 180ppi images to 300ppi using a program called ImageMagick.

When I open the image up on my machine the image size states that it is 7.454ppi, which is not what I want it to be. I want 300ppi.

However, when I open up that same exact image on a co-workers machine the image size is 300ppi like I wanted.

Both machines are running CS3.

Any suggestions or feedback greatly appreciated as this has been driving me crazy for weeks.

Thanks,

Pete
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DM
dave_milbut
Apr 29, 2008
I’d reset the preferences on the problem machine (instructions are in the FAQ).
PS
Peter_Stroisz
Apr 29, 2008
I did that already, after I read a thread on here regarding resolution issues.

Unfortunately that did not solve my problem and it still shows the resolution as 7.454 ppi. While on the other machine(s), tried this on 3 other machines, and they all show the resolution as 300ppi.

Thanks for the prompt response 🙂

Pete
PS
Peter_Stroisz
Apr 29, 2008
Actually, after rechecking this problem an those 3 other machines, it turns out that I am the only one running CS3, and the other 3 machines are running CS2.
Which means that CS2 is reading the image info correctly. (300ppi) Why then, does CS3 make up such a strange number? (7.454ppi)

Thanks

Pete
EG
Ed_Grenzig
May 1, 2008
Peter

The ppi information that is stored in an image file (metadata) does not effect the image data in any way. The image data is the h x w in pixels. The ppi has to do with a suggested reference to printing an image on paper. But you can still print at any resolution you want to and override the ppi setting in the image file at the time of printing.

your statement

I converted 180ppi images to 300ppi using a program called >ImageMagick

does not seem to be accurate since the 180 or 300ppi has nothing to do with the image data.

When you are in PSCS3 you can set the ppi to any number you desire and it will not affect the image data as long as you do not resample the image data. You can change it as many times as you like!

Ed

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