How to crop image on upload with Rails, Carrierwave and Minimagick?

Question

I have read:

• Undefined Method crop! Using Carrierwave with MiniMagick on rails 3.1.3
• Carrierwave Cropping
• http://pastebin.com/ue4mVbC8

Answer 1

In #cropper your crop_h is not initialized(you double initialize crop_y instead). In #crop error is exactly what error message said - you don't have defined crop_x for Project class.