![]() Public Shared Function GetGreatestCommonDivisor(ParamArray values As Integer()) As Integerĭim dblValues As Double() = Array. Size 640 X 480 0.31 megapixels Aspect ratio 1.33 Length of diagonal 800 A/R:1. Conclusion: Use this online aspect ratio calculator that will help you to check the dimensions when resizing the videos and pictures. Poster, decal printing, and canvas with 24 x 36 and 40 x 60 inches are the best example of 2:3 aspect ratio. ''' That is, the largest positive value that divides each of the given values. What is the best aspect ratio for prints For printing the documents 2:3 is the most common aspect ratio. ''' Gets the Greatest Common Divisor (GCD) of one or more values. Calculates the PPI and PPCM (image resolution and pixel density in inches and cm), total number of pixels, aspect ratio, the image area, width and height. Aspect Ratio Calculator: To get the resolution, you need to multiply width times the height. Return New Point((resolution.Width \ gcd), (resolution.Height \ gcd)) Public Shared Function GetAspectRatio(resolution As Size) As Pointĭim gcd As Integer = GetGreatestCommonDivisor(resolution.Width, resolution.Height) You might not be aware of this fact, but every frame, digital video, canvas, responsive design, and image often has a rectangular shape that is exceptionally precise in proportion (or ratio). ''' The resulting aspect ratio, expressed as X:Y. Aspect Ratio Calculator - 4:3, 16:9, 21:9 (Ratio calculator) Aspect Ratio Calculator Use this ratio calculator to check the dimensions when resizing images. ![]() Here is my current code: ''' Calculate the aspect ratio of the source resolution. However, having a table of "known display aspect ratios" as suggested in that thread I'm not sure if it is a viable solution, and I'm not sure how to apply that to the calculation. My question is: what I'm doing wrong in the calculation of the aspect ratio and how do I fix it?.ĮDIT: After researching a bit, I partially understood that the GCD approach is not viable for these kind of resolutions as mentioned here: It fails for many other untypical resolutions. However its popularity is decreasing since the start of the 21st century when users of modern high-definition television sets, broadcast cameras and computer monitors started to favor the high definition 16:9 aspect ratio. Time ago I did a research trying to find a solution to calculate aspect ratio of a resolution, and this answer helped me to write the code below, which works fine for all common resolutions, but I just discovered that it fails to calculate the aspect ratio for many other resolutions, for example my code below will give a result value of "683:384" when trying to calculate the aspect ratio for "1366x768" resolution, which, according to Google results it is "almost" 16:9, so my calculation is wrong.
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