Displaying 2 results from an estimated 2 matches for "charts_and_grap".
2006 Apr 22
1
Gruff
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 = []
    labels = {}
    days.downto(0) do |day...
2006 Apr 27
4
GD2 to Make Charts
I''m just getting started with GD2 and have successfully made a few 
dynamic PNGs.   I need to make some fairly detailed line graphs on the 
fly and I know that GD2 is capable of what I want but I strongly suspect 
I''m reinventing the wheel badly.   Are there gems or other projects that 
help creating complex charts?   I''ve used GDChart in the distant past 
but I