Rails - Sep 2006 - file_upload - invalid geometry

Hi

I want to use file_column to upload and crop some images. I can get it
uploading absolutely fine but whenever I try and crop and image I
recieve the error:

invalid geometry string `''

Can someone please show me an example of how to do this, I want to
create three files

1. thumb - 110x85
2. medium - 180xscaled height
3. large - 560x300

All of these need to keep there proportions e.g cropped and resized not
just resized.

Any help much appreciated

Jono


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Hi Jono,

I''m also learning to use file_column and found this page talking about
geometry string. FYI.

http://www.imagemagick.org/RMagick/doc/imusage.html#geometry


Hope it helps.


Thanks,

walls


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This message means that whatever you passed to Rmagick isn''t the
correct
syntax.

Since you didn''t post your code, hard to point out where you went wrong
but
I recommend you look at any Rmagick example - the syntax for geometry is the
same.

I.e.

file_column :photo, :magick => {:versions => { "thumb" =>
"110x85", "medium"
=> "200x", "large" => "500x300"}}

> From: "Jono.Brain-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
<Jono.Brain-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Reply-To: <rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
> Date: Sat, 09 Sep 2006 14:26:57 -0000
> To: "Ruby on Rails: Talk"
<rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
> Subject: [Rails] file_upload - invalid geometry
> 
> 
> Hi
> 
> I want to use file_column to upload and crop some images. I can get it
> uploading absolutely fine but whenever I try and crop and image I
> recieve the error:
> 
> invalid geometry string `''
> 
> Can someone please show me an example of how to do this, I want to
> create three files
> 
> 1. thumb - 110x85
> 2. medium - 180xscaled height
> 3. large - 560x300
> 
> All of these need to keep there proportions e.g cropped and resized not
> just resized.
> 
> Any help much appreciated
> 
> Jono
> 
> 
> > 


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Hi Thanks for your replies.

The code I have tried is:

# upload
  file_column :image_1, :magick => { :versions => {
      :thumb => {:crop => "1:1", :size =>
"110x85"},
      :medium => {:crop => "1:1", :size =>
"255x165"},
      :large => {:crop => "1:1", :size =>
"560x300"}
    }
  }

Its still erroring. I want it to resize and crop so the proportions are
kept.

Any help much appreciated.


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Hi

This has been driving me crazy have tried everything, can anyone please
shed some light?


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