#Image aspect ratio calculator code#

There's no need to use functions when setting the width/height. And undefined * container.width() is NaN - Not a Number. Stranger still, when you actually call setImageDims in the resize event handler, you don't provide that value at all, meaning it's undefined. And you basically 'rename' it to container inside the function, so perhaps that'd be a better name to begin with? And $imgAspectRatio would imply that it's a jQuery object. selector is fine (if non-descriptive), but content_area is snake_case whereas you use camelCase (which is the JavaScript convention) everywhere else. There's little system in your variable-naming. Of course, you already have a resizeImage function which does the exact same thing - it's just hard coded to only use the body as its reference. For another, I'd just find resizeImage or maybe resizeToMatch to be more straightforward. For one, I rarely see the need to abbreviate words.

#Image aspect ratio calculator code#

There's a lot of code here, so I'll just start with a single function: setImageDims I have also created a rudimentary fiddle to illustrate the imageCalc(), setImageDims(), and imageResize() functionality here. JQuery('.menu-main-container').css('display', 'block') SetImageDims('.com-background > img', '#main-content') setImageDims('.com-background > img', '#main-content', ratio1) var ratio1 = imageCalc('.com-background > img') JQuery('.mobile-contain > a').bind(event, function(), 7000) Var ua = erAgent var event = (ua.match(/iPad/i)) ? 'touchstart' : 'click' Note: all these functions work (I do have an error imageResize('.com-background > img', ratio1) ratio1 is not defined within the window.resize function.

The below scriptfile includes the issue above, and some functionality for mobile, and an overlay.

First, an image gallery I have setup and now, Iframes. Now, I have got these functions working, however I feel like they could be more efficient/clean. For instance, if you change the height from 1920 to 1300, what should the width be to preserve the original aspect ratio? This calculator will quickly show you the missing variable so that you can ensure that the aspect ratio is maintained and the video doesn’t distort.I have created a set of functions to calculate the aspect ratio of an image, set a height/width on document.ready and on window.resize resize the image. If you need to modify the height or width of your video image but you want to scale it commensurately with the aspect ratio, you’ll need to know the missing variable. Here are a few handy aspect ratio calculators that will assist you in determining the aspect ratio for common video formats or scaling an aspect ratio up or down (great for resizing video for web usage).ĭigital Rebellion’s Aspect Ratio Calculator covers the aspect ratios of common film and video formats including Super16, 35mm, NTSC and PAL. The tutorial is applicable to all film and video creators, covering topics like shooting for multiple devices and cropping a 4:3 aspect ratio from a 16:9 HD image:

So, with a multitude of choices, how do you know which aspect ratio is right or your film or video project?įor a practical perspective on aspect ratios geared toward film and videomakers, watch this quick tutorial from video pros Rich Harrington and Robbie Carman. Today HD video is most commonly shot on the 16:9 (1.77:1) widescreen standard, while films often use a 1.85:1 or 2.39:1 ratio. John Hess from knocks it out of the park with his terrific history of film and video aspect ratios: To understand a bit more, check out this aspect ratios overview from the early days of film to modern HD standards. These are the two most common video aspect ratios. Many people are most familiar with aspect ratios when looking at televisions, as we’ve moved in recent years from the classic 4:3 sets to HD widescreen 16:9 sets. The aspect ratio of an image is dependent on the camera in which it was shot, as well as the method used for delivery/projection. One of the fundamentals of film and video is aspect ratios – the relationship between height and width in regards to image size. If you divide 1024 by 768, the result is 1.33, so the 1024x768 computer resolution can be described as having an aspect ratio of 1.33:1. In this post, we’ve rounded up the best info on aspect ratios – learn how they’ve evolved over time and which one is right for your film or video project!