在创建图像之前，通过rails 4使用带有cloudinary的j农作物进行裁剪

I've been at this for some time now. I"m using cloudinary to upload photos and am trying to implement a cropping feature using jcrop on a photo create action. After I implemented cloudinary I followed railscasts #182 on Jcrop. I think I'm having problems getting the new cropped parameters (x,y,w,h) back to the uploader before the image is saved.I've been at this for some time now. I"m using