Cloud
a ruby word-cloud generator
@ninajansen
http://github.com/ninajansen/cloud/tree/master
http://github.com/ninajansen/cloud_examples/tree/
master

Wordle

Wordle
• Pretty wordclouds
• Not open source
• Only runs in browser
• Secret algortihm

Cloud
• My first ruby gem
• Runs in background
• generates PDF-files
• Ruby with inline C

Cloud types
• From text file
• From rss feed
• Frm del.icio.us account name

Example from text
engaged
four battlefield add
equal freedom
power forth full field world might years
struggled restingplace above
resolve remaining created earth
take detract final endure brought
conceived war long devotion unfinished
task nor
cannot shall us living
lives never
civil perish
increased
god consecrated
ground come
nation
continent
people dead
live died
now measure
met birth
work fitting
dedicated
men far
fathers portion larger note
advanced
dedicate
hallow cause
whether nobly
new rather gave score sense
say proper
government
forget remember vain fought seven
little liberty consecrate
altogether thus testing brave poor highly proposition
honored ago last

Example from rss feed
svært rigtig
skubbe lige projekt
sagde siden fedt grunden
ønsker trangen fest driller
se sodavand drikke
altid
holder
motion sang igår par tid
livet helt laver træt
bortset sammen tugter
godt
haft gang
ridde elsker lettere
igennem super
gange skrevet arbejdet pga
kreativt vildt
lidt snart
bare
kærlighed håb
gospel tage begge
spiste maj end
bliver
skridt stå sagt
cola nogle heste
ting
dag
giver
god
handler smoothie får mazarinbund
sige
gået føler
hård
blev måde mine
alkohol
grund ofte sove hjem
fremtiden længe tårer
alt arbejde
danmark sangen grine undskyld,
han dine fået
glad
skønt dét

Example from
del.icio.us
performance
psychology
graphics
shoulda logic
data
fckeditor
migrations
presenters tdd
copyright community ecommerce
colors tests comic
fonts acl google forum css
maps rating pdf xml
mongrel wordpress
programming
ruby
sharing
wiki
ajax
del.icio.us
server
culture
capistrano
chart
gitosis
download
football
guitar
blog skepticism
torrent starter
rest
games
rspec talks
algorithms
bdd
svg
t-shirts
socialnetworking
howto
science flickr
backup
rails
mac
authentication
pirat television
seinfeld
git
navigation
ubuntu
geek
book
iværksætter
blogging tips
creativity
job deployment
sport
software
plugins
twitter books
subversion
search railsconf
tutorials
p2p ebooks
ebook
kort
images
astronomy
database
jobdatabase cloudcomputing
ted
fun
calendar
deprec
realitytv versioncontrol
visualization
migration funny
documentation nfl
code humor tutorial
berlin
plugin
technology cambridge
tools
iphone
security cucumber cache atheism series
reference cakephp
business
conference osx testing amazon i18n
tv bittorrent
development
torrents
linux
cakephp1.2
opensource
virksomhed
framework
startup test aws cake webcomic robots apple explorer
api
php
javascript
piracy
entertainment
travel
jobdatabaser
rss story
music web denmark svn events
web2.0
iplayer
charts
ent_fu webrat friendfeed
walkthrough
copenhagen
globalize bil freelance
danish comics line6
flash rjs s3
blogs shopping
elenium
skeptic
fritid
Civ4 perl
jobsøgning entrepreneurship
html
oreilly
localization religion shop
tures
puppet news media
VC browser tagcloud
scm
editor

Bin packing algortihm
• Clouds will take up as little space as
possible
• Each word is surrounded by box
• Boxes are placed according to distance
function

Disadvantages
• Slow
• Only produces pdf
• No words-inside-words effect
• Big words surrounded by a lot of space

Potential
• Active record extension
• Tweak word counting algortihm
• Output SVG
• Word links
• Speed

Help!
• Feedback
• Please hack away