Line chart: low numbers at the top?
Charles Hoffman
such we'd like the low values to be at the top of the chart and the
high values at the bottom -- since 1 is the "highest" ranking.
One trick we've tried is to negate the numbers, so in reality the
chart shows the range from -1 (at the top) to -100 (at the bottom).
This gives the line the right shape, and even the axis tick labels
look good, but unfortunately there's a label next to each point on the
line showing its value -- and hence showing a negative number. So
where it shows that something was ranked 6th, a big fat "-6" shows up
on the chart.
Is there a better/more proper way to invert the direction of the
chart's Y-axis?
If not, is there a way to change what shows up in those big labels by
each point in each series so we can make it show a positive number
instead?
Is there a way to hide said labels altogether?
Is there a way to put tooltips on these points instead that appear
when the user mouses over the points on the line?
fernand...@gmail.com
When you define your series, you can pass the values has a hash,
this will
allow you to either set a label or a tooltip for the actual value
you would like to be displayed.
ie chart.add :series, "fred", [ { :value => 10, :label => "Hello
10" }, ... ]
or chart.add :series, "fred", [ { :value => 10, :tooltip => "Hello
10" }, ... ]
-Fernand
Charles Hoffman
delighted that the solution turned out to be so simple. Thank you!
On Feb 8, 11:34 pm, "fernand.gali...@gmail.com"
Soren Christensen
Hi,
I have used the Ziya plugin previously but in this project I can not get
the GEM to work such that I can operate the server in production mode.
I have tried both the derailed-ziya from github.com which gives me
version 2.1.5 and ziya which gives me 2.1.7.
The problem arises from the initializers files. According to the
documentation you need something like:
# Pull in the ZiYa gem framework
gem "ziya", ">= 2.1.7"
require 'ziya'
# Initializes the ZiYa Framework
Ziya.initialize(
:logger => RAILS_DEFAULT_LOGGER,
:themes_dir => File.join( File.dirname(__FILE__), %w[.. .. public
charts themes])
)
But once you try to boot in production mode I get:
./script/server -e production
=> Booting Mongrel
=> Rails 2.3.5 application starting on http://0.0.0.0:3000
/usr/lib64/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:443:in
`load_missing_constant': uninitialized constant Logging (NameError)
from
/usr/lib64/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:80:in
`const_missing'
from
/usr/lib64/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:92:in
`const_missing'
from /usr/lib64/ruby/gems/1.8/gems/logging-1.3.0/lib/logging.rb:504
from /usr/lib64/ruby/site_ruby/1.8/rubygems/custom_require.rb:33
What did I overlook ? I tried the alternate version for the logger:
:logger => File.join( File.dirname(__FILE__), %w[.. log ziya.log])
but that still has the same problem.
/S
Fernand Galiana
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Soren Christensen
I'm very stuck on this issue.
It prevents me from going to Production mode. So I can only debug this in dev mode.
I have:
ruby 1.8.6 (2007-06-07 patchlevel 36) [x86_64-linux]
rails (2.3.5, 2.3.4, 2.3.2, 2.2.2, 2.1.0, 2.0.2, 1.2.3)
logging (1.3.0, 1.1.0, 0.9.1)
I use Passenger and Mongrel. Both have same problems.
I initialize this way:
gem "ziya", ">= 2.1.7"
require 'ziya'
# Initializes the ZiYa Framework
# :logger => RAILS_DEFAULT_LOGGER,
# :logger => File.join( File.dirname(__FILE__), %w[.. log ziya.log]),
# :themes_dir => File.join( File.dirname(__FILE__), %w[.. .. public charts themes])
#)
/S