What Does a Photo's Pixels Per Inch Mean?
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- Опубликовано: 25 июл 2024
- macmost.com/e-2697 Sometimes when you provide a photo to be printed or used in a publication, you will be asked about pixels per inch, or PPI. But PPI isn't really important. Only the number of pixels in the image matters, PPI is just a setting in the file.
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00:00 Intro
00:56 What Are Pixels?
02:28 Printing and PPl
05:02 Displays and PPI
07:45 PP| In an Image File
#macmost #ppi 
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This topic has ALWAYS confused me. Now, after watching your tutorial, I realize that I have good resasonto be confused!😂
I 2nd that motion🤣👍
@@johnphillips519 I third it! As a printer & designer, I spend most of my production time making sure the DPI is 300 and OK to print, often using On1 Software Perfect resize ... but I still do not understand this whole concept
Great video. Thanks so much 💜.
Treating the DPI/PPI number that comes with an image as a *_suggestion_* is one of the best tips ever.
I’ve been trying to explain the relative nature of PPI so many times, but now I have a much better way 👍.
I never paid any attention to a screen's ppi after starting on my Atari 800 which used a standard TV as its monitor. I actually bought it only after checking that its highest graphics mode offered high enough resolution for (in my opinion) halfway decent computer graphics. Actually, that Commodore 1702 was always the very best monitor for the Atari.
I knew the monochrome monitor for my Atari ST was higher resolution than the color monitor was so I used the monochrome monitor more often because I really appreciated the higher resolution.
When I finally graduated to the Mac in '93 and began working seriously in graphic design, I really enjoyed the Macintosh IIsi with System 7.0 and its 13" Sony Trinitron monitor at 72 ppi, which (coincidentally ?) matched up Perfectly with the new Adobe PostScript standard 'point' being 1/72 of an inch, instead of the traditional measurement of the point as 1/72.27 of an inch. Easy to remember back in the day, one point equals one screen pixel.
I guess I have always preferred the highest resolution I could get.
Thanks bunches
I have found and been advised that the best size for photos on social media is 2048 on the longest side, I have not been able to find a way to do this with Apples Photo app? I currently use Polarr that is very user friendly and does this very well, Im not a fan of Adobe
Hello Sr. Great video, by the way, I did understand a lot of things from it. But my situation is that I need to upload the image to the web, and it doesn't allow me to because the image size exceeds 20 megapixels. I trying to lower the size image to that value but know the logic to do it in photoshop even though I work with it decently... Thanks
For that, just pay attention to the number of pixels (horizontal and vertical) and to the jpg compression amount.
I moved photos off my iPhone onto ssd card thru my MacBook but identity of photo changed to date I moved them an I change this?
So there are two different things: the date stored in the photos indicating when it was taken (metadata), and the date of the FILE that contains the photo. If you now bring the file into a photo management app (like Photos) it will use the metadata for organization, not the file creation/modified date.