similar to: Gruff Charting Question

Hi, for those with experience of Gruff module: suppose I want to send image from server straight to the browser (as example on gruff web site): send_data(g.to_blob, :disposition => ''inline'', :type => ''image/png'', :filename => "gruff.png") the server seems sending this binary data ok, but I am having

Hi all - This is probably easy stuff for the gurus here, but anyhow, here''s a little code snippet (and a screenshot) for doing Rails time-based charts with Gruff: http://tinyurl.com/g6zrt Props to Geoffery for writing such a fine library! Yours, tom

Hi- I need to create simple charts on the fly - I had used JFreeChart in the past with inJ2EE apps. Is there any equivalent here for Ruby. My charting needs are simple: just line charts. Also if anyone has done this, pls let me know how I should go about in doing it. Thanks -- Posted via http://www.ruby-forum.com/.

Does anybody know how to create a pie chart in Gruff without percentage but actual numbers? -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To

Well, I''m trying to generate graphs using gruff, but I''m having problemns. I use, require_gem ''gruff'' then when I run g = Gruff::Line.new(475) I get uninitialized constant Gruff ///// c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:100:in `const_missing''

I hope this day finds you well. I need to generate Spider charts (aka radar charts) , and am using Gruff to do so. How can I show lines and axis numbers on a Spider chart? Here''s what I''m trying to make: http://img.skitch.com/20080925-m573hhdy4n4x6i92s17knjqjeg.jpg How can I have those 0 - 100 numbers, and the concentric cirles in the graph? Joe -- Posted via

Hello list, I''m having a problem getting Gruff working with Rails on a Windows XP box. I installed RMagick, then Gruff via the win32 gem, and it seemed to go OK. From irb, I can do the following - require ''rubygems'' ##### This returns ''false'', but seems to work OK - require ''gruff'' ####### Ditto - g = Gruff::Bar.new etc., and I get

Hello all Has anyone managed to embed gruff graphs into a PDF document using pdf::writer? The easy way (as far as I can see) would be to just save the gruff graph as a temporary file then read that file in pdf::writer. I was wondering if anyone had managed to get them working together directly? RJ -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~

Hi I want astackedBar graph in my project I want to give it negetive axis, scale, negetive values etc . How can I do that with gruff package? Thanks.. Sainaba -- Posted via http://www.ruby-forum.com/.

Hello Railslist, I''m trying to get Gruff running on OSX Tiger (intel) with edge Rails. I''ve installed ImageMagick, Rmagick, FreeType and all their dependencies, or so I believe. (I''ve compiled them from source mostly, following a recent tutorial for Rails and ImageMagick on Intel Macs) While following the sample on the Gruff downloadpage (the one with the fruit), Rails

Hi: I love Locomotive and use it exclusively for my rails projects. I''d like to install GRUFF and give it a try (a graph image creation package). I know I can do sudo gem install gruff from the command line for normal ruby and rails. How do I make gems available to Locomotive? bruce

Hi guys i am pretty much a newbie to rails and tried to install gruff and run the example given in home page for gruff i am using ubuntu and dapper. first i got two errors when i used this example #!/usr/bin/ruby require ''rubygems'' require ''gruff'' g = Gruff::Line.new g.title = "My Graph" g.data("Apples", [1, 2, 3, 4, 4, 3])

I am new to Ruby on Rails in general and apologize if this question is trivial and/or has been asked before ( my searches did not turn up any threads ). I am using the cookies function from actionpack which I have located in my vendor/rails/actionpack directory. Using: cookies[:username] and cookies[:password] from within a controller file works just fine, I am able to set and read

I have some graphs and everything is working great, but I''d like to set a minimum height so to speak on the vertical scale. Is there a method to do that with Gruff? I''ve tried looking through the docs but can''t seem to get it to work. So for example, if the highest datapoint in my graph was say 500, is it possible to have the minimum vertical scale on the left set

Hi all, I hope somebody can help me out here, since the issue has been killing me for the last three days. Here is the issue: It seems that gruff kills rails/webrick whenever it''s used on win32. I installed gruff per instructions and it seems to be working. The sample controller generates a nice grpah with send_data and all. The issue started once I try to use any other

I''ve been working with Gruff to do all my apps graphing and such etc. I love it but I''m just having a hard time customizing the graphs, but this is perhaps due to my inability to comprehend the online RDocs. What I want to do is adjust the width / heights of my graphs or at the VERY LEAST the heights. It seems that if you scale a graph anywhere below 400-450px it is pretty

I am looking for a way to update the text-value within a textarea from an Ajax render call inside of a controller. Is there a way to do this without rendering an the partial containing the textarea? Thanks, Andy -- Posted via http://www.ruby-forum.com/.

I am making a stacked bar graph in Gruff. Could anyone help me by telling me how I can change the order in which the data is stacked. No matter what order I put the data in, I get the same result on the png picure. Any help would be much appreciated. Thanks. -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because

Hi all, We are a Java development team, but we are considering rails for our next project. However in this webapplication I need to do a fair amount of charting. In Java we used JFreechart (http://www.jfree.org/jfreechart/index.php) for this purpose. What are my options for charting in Ruby? Regards, Harm de Laat -------------- next part -------------- An HTML attachment was scrubbed... URL:

I have installed Gruff and am trying to get an example to work i found at http://tomcopeland.blogs.com/juniordeveloper/2006/02/charts_and_grap.html. I have the following code in the controller: # Send a graph to the browser def crumpetchartaction days = 5 g = Gruff::Line.new(500) g.title = "Crumpets over the past #{days} days" g.theme_keynote crumpets_to_date = []