Aspect Ratio

The aspect ratio of an image is the ratio of the width of the image to its height.

There are 5 common ratios: 4:3 (1.33:1),  3:2 (1.5:1), 16:9 (1.78:1),  1.85:1,  2.35:1

In still camera photography, the most common aspect ratios are 4:3, 3:2, and more recently being found in consumer cameras 16:9.  Other aspect ratios, such as 5:4, 6:7, and 1:1, are used in photography as well.

The most common aspect ratios used today in the presentation of films in movie theaters are 1.85:1 and 2.39:1.  Two common videographic aspect ratios are 4:3, the universal video format of the 20th century and ; 16:9, universal for high-definition television and European digital television.

Why is this an issue?  When I am creating my art I’m not working on a fixed canvas but just points in space.   And all I’m really doing is cropping my view by setting the screen “aperture” to whatever I choose.  When I’m done, I render the image into a digital file format (jpg, png, bmp) so that it can be displayed or printed, at any ratio.  So I have to chose and sometimes the choices of the various standard paper sizes are not optimal for the image.  Worse is if I want two different ratios then it’s two separate renderings (5-12+ hours) because it is not possible to scale/re-size one into another without significant cropping.

We can get around the standard format limitation with aluminum, acrylic and glass substrates as these are all custom cut.

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