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Is DPI really a term in the iOS community? I thought DPI was a holdover from the print-era, and the politically-correct term was PPI (pixels-per-inch - not "ph
by bsimpson 12y ago
Is DPI really a term in the iOS community? I thought DPI was a holdover from the print-era, and the politically-correct term was PPI (pixels-per-inch - not "physical" pixels per inch).
I've heard 1x pixels called "device-independent pixels", "CSS pixels", and "points"; but I've never seriously heard the term "device-pixels-per-inch" until this article.
- detrino 12y agoI really don't think it matters if you call them "dots per inch" or "pixels per inch".
- Tepix 12y agoEveryone uses the term DPI for displays even if the correct term is PPI. It's not worth fighting about...
- bsimpson 12y agoI don't mind people using the term DPI. The part that confused me is that the OP is drawing a distinction between them. In my mind DPI == "dots per inch", PPI == "pixels per inch", and they measure the same thing (although some people frown upon using DPI in a digital context). The author redefines them to mean "device pixels per inch" and "physical pixels per inch", where PPI / devicePixelRatio == DPI. I wasn't sure if that's an OP-thing or an iOS thing.