O le a le pixel density
Pixels per inch (PPI) o le fuaina o le pixel density (iugafono) o masini i tulaga eseese: e masani lava faʻaali komepiuta, faʻataʻitaʻi ata, ma ata puʻeina ata ata.
O le PPI o se faʻaaliga komepiuta e fesoʻotaʻi ma le tele o le faʻaaliga i inisi ma le aofaʻi o numera o pika i le itu faʻataʻotoʻi ma faʻatonuga itu.
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Sili atu luga o pixel density
Afai e te manaʻo e fuafua le pixel density o lau pupuni, e tatau ona e iloa: faalava ma le faʻasolo o le pixel faitauga ma lau diagonal lau tele. Ona faʻaoga lea o lenei metotia, pe faʻaaoga la matou calculator;)
\(
d_p = \sqrt{w^2 + h^2}
\)
\(
PPI = \dfrac{d_p}{d_i} \ \
\)
where
A e manaʻo e fia iloa atili, siaki le ata video lea e uiga i le Linus Tips i lalo.
Faʻaleleia atili faʻasolopito ole PPI (lisi o masini)
Telefoni feaveaʻi
Igoa ole masini |
Pixel density (PPI) |
Faʻaalia le iʻuga |
Lautele faʻaali atu (inisi) |
Tausaga faʻalauiloaina |
Sootaga |
Motorola Razr V3 |
128 |
176 x 220 |
2.2 |
2004 |
|
iPhone (first gen.) |
128 |
320 x 480 |
3.5 |
2007 |
|
iPhone 4 |
326 |
960 x 640 |
3.5 |
2010 |
|
Samsung Galaxy S4 |
441 |
1080 x 1920 |
5 |
2013 |
|
HTC One |
486 |
1080 x 1920 |
4.7 |
2013 |
|
LG G3 |
534 |
1140 x 2560 |
5.5 |
2014 |
|
Laulau
Igoa ole masini |
Pixel density (PPI) |
Faʻaalia le iʻuga |
Lautele faʻaali atu (inisi) |
Tausaga faʻalauiloaina |
Sootaga |
iPad (first gen.) |
132 |
1024 x 768 |
9.7 |
2010 |
|
iPad Air (also 3rd & 4th gen.) |
264 |
2048 x 1536 |
9.7 |
2012 |
|
Samsung Galaxy Tab S |
288 |
2560 x 1600 |
10.5 |
2014 |
|
iPad mini 2 |
326 |
2048 x 1536 |
7.9 |
2013 |
|
Samsung Galaxy Tab S 8.4 |
359 |
1600 x 2560 |
8.4 |
2014 |
|
Faʻaalia komepiuta
Igoa ole masini |
Pixel density (PPI) |
Faʻaalia le iʻuga |
Lautele faʻaali atu (inisi) |
Tausaga faʻalauiloaina |
Sootaga |
Commodore 1936 ARL |
91 |
1024 x 768 |
14 |
1990 |
|
Dell E773C |
96 |
1280 x 1024 |
17 |
1999 |
|
Dell U2412M |
94 |
1920 x 1200 |
24 |
2011 |
|
Asus VE228DE |
100 |
1920 x 1080 |
27 |
2011 |
|
Apple Thunderbolt Display |
108 |
2560 x 1440 |
27 |
2011 |
|
Dell UP2414Q UltraSharp 4K |
183 |
3840 x 2160 |
24 |
2014 |
|