Thanks @radhames for your thorough explanation.
I still have the same issue. I think I may have a problem in making an
instantiation.
My model now is as follows:
class Dicom < ActiveRecord::Base
has_attached_file :photo, :styles => {
:original => ["100%", :jpg],
}
def before_save
uploaded_file = photo.queued_for_write[:original]
dimensions = Paperclip::Geometry.from_file(uploaded_file)
height = dimensions.height
width = dimensions.width
end
end
And, I have done this in "show.html.erb":
<canvas id="draw" height="<%[email protected]%>" width="<%[email protected]%>"
>
What am I missing?
Thanks a lot.
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