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Aspect Ratio vs Common Image Formats

Last updated 2014-05-25 - Send Feedback
Related: computer display

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Display resolution of 3840 X 2160 display is a 1.78:1 aspect ratio. By the time a window title bar is added, the aspect ratio is well over 1.8:1, which means that photographs that fill the full width of the screen are cut off at top or bottom. Alternately, the image has to be limited in width so that its full height can be seen. It’s only worse with images having aspect ratios of 4:3 or 5:4 or 1:1.

As shown below, the image cannot fit vertically; the window itself occupies some space, and in this example the aperture series controls need some space at bottom (diglloyd image galleries include HD and Ultra HD image sizes as well as image sizing controls to choose the desired solution—a large HD image 2560 wide, or UltraHD 3840-wide image scaled-down to fit). Still, the UltraHD images in diglloyd publications are stunning in their clarity on the Dell UP2414Q.

The ideal display would offers something in the range of 4096 X 2680, which would allow an UltraHD image or video to fit in both dimensions with room for some window controls. But standards are standards, and such a screen would be an odd duck in a 3840 X 2160 world, and thus likely to be much more expensive. While 4096-pixel-wide displays are likely to appear at some point in order to accommodate full 4K video (4096 X 2160), the height might remain stuck at 2160. The WHXGA 5120 X 3200 size is the next logical step.

Shown below is the Dell UP2414Q with a browser window. Because the display is running in scaled mode (“best for display”), it is as if the display were 1920 X 1080. But high-res images as nonetheless seen as above in their full resolution glory, at least as implemented at diglloyd.com.

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