similar to: file_column and Thumbnails

Hi, I need to take a single uploaded image file and save three resized versions of it, a thumbnail, normal and large version. I was planning on doing this in my model by having an array of geometry strings and looping through them, each time saving a new image object resized to the correct geometry. I know that file column does similar stuff, but I would prefer to have a separate database row

I am using the excellent file_column, but have run into an issue. I am wanting the user to be able to *not* upload an image if they so choose. Then I am trying to determine if that column is empty or not, and display a generic image if that column is empty. I have tried both of the following code blocks: <% if @newsentry.image -%> <%= link_to(image_tag((url_for_image_column

I''m curious if anyone knows if development on the file_column plug in is continuing? I''ve seen some SVN commits from awhile back but no binary releases. Did Sebastian speak at Canada on Rails? Anyone catch that? What is the future of file_column?

I have two problems. I have a comment that has_many uploads. Before saving the comment, I want to be sure that the upload(s) has passed validation, but I also need to validate in other ways. For example, I do not want to save the comment if there is no comment or upload. Or, I do not want to save the comment if the image has been uploaded previously (comparing md5s with past upload md5s

I get the following error at the browser: ArgumentError in ImagesController#upload invalid geometry string `110×'' ... for the call to change_geometry with an explicit size (''110x'') as the geometry string: def make_thumb (the_img) require ''RMagick'' size = "110x" debugger if ENV[''RAILS_ENV''] ==

Howdy. We use the handy file_column plug-in in some of our apps. We have a model with a file field and we upload both images and non-images into this field. It is specified as follows: file_column :file_uri, :magick => {:versions => {:thumbnail => {:size => ''200x''}}} Well, it works great for images but for non-images, the save fails. The root cause is an

Hello, I upgraded my Rails app from 1.0 to 1.1.2. Basically everything worked on my development box. When I uploaded the changes (including the frozen 1.1.2 gems) to my webhost most things worked. However I had a problem with my application_helper.rb file. It wasn''t able to find the url_for_image_column method from the file_column plugin. Here''s the relevant code in

Hi, 1. How to resize an image uploaded by a web form before saving it to the disk? (i need all uploaded images to have similar size) 2. How to create thumbnails? Is it enough if i specify small size of the image in html or would the image look horrible? Can i do it somehow in ''realtime'' using javascript? Or is it best to create thumbnail as a separate file? 3. How to get

I use file_column and it works fine. I tried to change the store_dir to a the path I want my files to be stored and not the default. I stored some images fine. But when I try to reach my images it seems like file_column uses the model_name/attribute_name on the image and not the store_dir I used. How can I change this ? Thanks in advance -- Alexander Antonakakis

I have several models that will be using file_column by way of the "Picture" class (HABTM). Right now, all pictures are stored in: public/picture/image/1/filename1.jpg public/picture/image/2/filename2.jpg Is there a way I can dynamically define the "store_dir" based on the model? For example, if I have "user", "product" and "place" models all

does anyone know much about resizing different versions of images with file_column? i tried it and everything works fine, but my question is can you do more than just make sizes with a version of image? i''m working on a photo album and i would like to resize the image to a medium size, but create a thumbnail as well and crop anything left to make the thumbnail a perfect square. --

Hello, I had a problem cropping images with file_column. These are my settings: file_column :image, :magick => { :versions => { :thumb => "80x80>", :medium => "150x150>", :square => { :crop => "1:1", :size => "50x50!" } },

Hi, Currently I''m using the file_column plugin to upload images and save multiple copies of each at 3 different resoltions: file_column :name, :magick => { :versions => { "thumb96" => "96x150>", "medium250" => "250x400>", "large480" => "480X640>" } } I am wondering if

Hi, i was struggling for a function where only 1 thumbnail should be active and others inactive when clicked on the particular thumbnail. code: 1. view: 2. <script type="javascript"> 3. function PlayVideo_options(videoFile, id) { 4. document.getElementById(id).className = ''video_option active_video''; 5. } 6. </script> 7. 8.

Can anyone point me to a resource for hand coding some sql so I can create my own for the following models: I''m using single table inheritance to store related objects eg: Thumbnail < Image < File :: ActiveRecord:Base Image has_many thumbnails Thumbnail has_one image When I come to list thumbnails I''d like to be able to: 1. List all images relating to a product 2.

Hello, Iam providing access to many images on a share to windows users from my linux samba over the internet. The problem is that I need thumbnail viewing because of the nature of this library and thumbnails take to much time to load it seems as though it is actually loading the entire image to then display the small thumbnail. Is this true? Also isnt there some kind of caching that can be

I have a model using attachment_fu (via has_attachment) and I''m creating thumbnails for the attached images. I have an extra field ''foo'' that I''m validating on create with validates_presence_of :foo. One problem arises when I upload an image: The ''foo'' is not propogating down to the thumbnails. What should I put in my model to grab the

This piece of code takes an uploaded image and resizes it. It''s a bit nasty at the moment as I am still messing around with it. What I can''t understand is why it works for one iteration but then fails with: zero-length blob not permitted `'' On the line: img = Magick::Image.from_blob(self.image).first I am basically doing this in the controller and it fails on the

howdy! I had the problem that attachment_fu didn''t make a thumbnail, but everything else worked. I read this post http://www.ruby-forum.com/topic/104213 and added a parent_id column. now I get the following error when I trie to add a photo: undefined method `find_or_initialize_by_thumbnail_and_parent_id'' for Photo:Class my code is: class Photo < ActiveRecord::Base

Hey railsers...anyone run into this problem? I''m developing an app which I''m deploying with Capistrano. That being said, I''ve stuck all the file_column goodies in public/system/... During my deployment script I chmod -R that directory and everything in it to make sure www-data (the apache user/group) has access to it. In development mode on my Macbook I can upload