如何在fengyuanchen在Cropper上设置宽高比后重置预览

I'm one tiny detail away from getting the awesome cropper (fengyuanchen - GitHub) working how I need it. I'm able to programmatically set the aspect ratio when my form loads, but this breaks the preview window. I've checked out the documentation where I can but sadly I'm not versed in JQuery enough to be able to make sense of it. Here's my code:I'm one tiny detail away from getting the aweso