Pixel density: Difference between revisions
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[[File:Low pixel density vs high pixel density.png|thumb|Figure 1. High Pixel Density Vs Low Pixel Density (image: teknosrc.com)]] | [[File:Low pixel density vs high pixel density.png|thumb|Figure 1. High Pixel Density Vs Low Pixel Density (image: teknosrc.com)]] | ||
Pixel density is the number of pixels in a certain amount of space and it describes the sharpness and clarity for different types of displays (i.e. computers, mobile devices, cameras, etc). Pixel density is often measured in Pixels per Inch (PPI) - the number of pixels present per inch on the display. A display's pixel density is different from its resolution, which is the total number of pixels across the display's width and height (Figure 1). <ref name=”1”>Nowell, P. (2016). Pixel Density, demystified: How pixel density works and how it affects your designs. Retrieved from https://medium.com/@pnowelldesign/pixel-density-demystified-a4db63ba2922</ref> <ref name=”2”>Raghavendar, T.S. (2013). Resolution Vs pixel density in displays | Pixel density is the number of pixels in a certain amount of space and it describes the sharpness and clarity for different types of displays (i.e. computers, mobile devices, cameras, etc). Pixel density is often measured in Pixels per Inch (PPI) - the number of pixels present per inch on the display. A display's pixel density is different from its resolution, which is the total number of pixels across the display's width and height (Figure 1). <ref name=”1”>Nowell, P. (2016). Pixel Density, demystified: How pixel density works and how it affects your designs. Retrieved from https://medium.com/@pnowelldesign/pixel-density-demystified-a4db63ba2922</ref> <ref name=”2”>Raghavendar, T.S. (2013). Resolution Vs pixel density in displays - all you need to know. Retrieved from http://teknosrc.com/resolution-vs-pixel-density-in-displays-all-you-need-to-know/</ref> <ref name=”3”>Übergizmo. What is PPI: Pixels per inch, display resolution. Retrieved from http://www.ubergizmo.com/what-is/ppi-pixels-per-inch/</ref> | ||
==Calculating pixels per inch== | ==Calculating pixels per inch== | ||
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[[File:Pixel density PPI formula.png|left]] | [[File:Pixel density PPI formula.png|left]] | ||
where Wp is the horizontal number of pixels; Hp, the vertical number of pixels; and S, the screen size. As an example, a 32 inches TV with a resolution of 1080p (1920 x 1080 pixels) will result in a pixel density of 68.84 ppi. <ref name=”2”></ref> | where Wp is the horizontal number of pixels; Hp, the vertical number of pixels; and S, the screen size. As an example, a 32 inches TV with a resolution of 1080p (1920 x 1080 pixels) will result in a pixel density of 68.84 ppi. <ref name=”2”></ref> | ||
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==References== | ==References== | ||
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[[Category:Terms]] | [[Category:Terms]] [[Category:Technical Terms]] | ||