rails Plotter cd Plotter rake db:createWe won’t use the database (default sqlite3) in this example, but you may use it later on.
module ApplicationHelper # set R_HOME if not set if ENV['R_HOME'].nil? ENV['R_HOME'] = "/usr/lib/R" end end
class ApplicationController < r =" RSRuby.instance">
./script/generate controller Home index rm public/index.htmlI edited config/routes.rb so as the root of the application is the index view for the home controller:
ActionController::Routing::Routes.draw do |map| map.root :controller => "home" #default view is app/views/home/index.html.erb map.connect ':controller/:action/:id' map.connect ':controller/:action/:id.:format' endNow we can get to work on the file app/controllers/home_controller.rb. I wrote a sample method, show_image to plot a histogram using R via RSRuby:
def show_image
# next 6 lines use R to plot a histogram
@r = InitR()
@d = @r.rnorm(1000)
@l = @r.range(-4,4,@d)
@r.png "/tmp/plot.png"
@r.par(:bg => "cornsilk")
@r.hist(@d, :range => @l, :col => "lavender", :main => "My Plot")
@r.eval_R("dev.off()") #required for png output
# then read the png file and deliver it to the browser
@g = File.open("/tmp/plot.png", "rb") {|@f| @f.read}
send_data @g, :type=>"image/png", :disposition=>'inline'
end
Not the prettiest code, but you get the idea. Obviously the owner of the HTTP daemon (www-data on Ubuntu) must have write permission to the location of the PNG file; /tmp in this case.
Which just says “wrap whatever comes out of the method show_image in an IMG SRC tag”.Home#index
Find me in app/views/home/index.html.erb <%= image_tag(url_for(:controller => "home", :action => "show_image")) %>
"BioRails":http:/projects/show/core is a commercially backed, open-source biological information management system designed specifically for pharmaceutical discovery research. BioRails core version is available free to use and the source code is available for download under the GNU Public License. Support services are available from "The Edge Software Consultancy Ltd":http//edgesoftwareconsultancy.com
This is a new BioRails Release Version at BioRails.org .
There is an example chemreg .
All support is now on BioRails.com .
You can start setting your development installation.
&] sudo apt-get install build-essential mysql-server mysql-client subversion ruby libzlib-ruby rdoc eruby irb libsvn-ruby ri libmysql-ruby libdbd-mysql-ruby imagemagick libmagick9-dev librmagick-ruby graphviz ruby1.8-dev libmysqlclient15-dev openssl htmldoc gnuplot rake zip sqlite3 libsqlite3-dev mongrel libruby-extras libxml2 libxml2-dev libxslt1-dev openoffice.org python-uno unoconv openoffice.org-dev
OpenOffice is needed so you can install the following packages:
&] sudo apt-get install openoffice.org openoffice.org-base openoffice.org-base-core openoffice.org-calc openoffice.org-common openoffice.org-core openoffice.org-dev openoffice.org-draw openoffice.org-filter-binfilter openoffice.org-mobiledev unoconv python-uno openoffice.org-headless
Gems is needed:
&] sudo gem install archive-tar-minitar builder chronic crypt fastercsv gnuplot hpricot htmldoc icalendar json mime-types mocha mongrel mongrel_cluster mysql ntp rcov rmagick mini_magick roodi rspec ruby-net-ldap rubyzip ruport sqlite3-ruby tidy transaction-simple tzinfo uuid uuidtools ZenTest
&] gem sources -a http://gems.github.com
&] sudo gem install mislav-will_paginate
&] gem list --local
&] sudo gem update
It is time to install source code.
For development:
&] mkdir trunk; svn co http://biorails.org/svn/biorails/core/trunk trunk/
For snapshot:
&] wget http://redmine.biorails.org/attachments/download/221?filename=biorails-3.0-2772.tar.gz ; tar -zvxf biorails-3.0-2772.tar.gz
Database connection:
&] cp config/database_template.yml config/database.yml ; nano config/database.yml
development:
adapter: mysql
database: biorails_development
username: biorails
password: moose
host: localhost
test:
adapter: mysql
database: biorails_test
username: biorails
password: moose
host: localhost
production:
adapter: oracle
database: localhost
username: biorails_validation
password: moose
/* Will need to login to mysql as root to initial run this script eg.
* mysql -u root -p
*/
create user biorails identified by 'moose';
create user 'biorails'@'localhost' identified by 'moose';
create database biorails_development;
grant all on biorails_development.* to 'root'@'localhost';
grant all on biorails_development.* to 'biorails'@'localhost';
create database biorails_test;
grant all on biorails_test.* to 'root'@'localhost';
grant all on biorails_test.* to 'biorails'@'localhost';
create database biorails_production;
grant all on biorails_production.* to 'root'@'localhost';
grant all on biorails_production.* to 'biorails'@'localhost';
&] mysql -u root -p < db/create_databases.mysql
grant all on biorails_production.* to 'biorails'@'localhost';
Create schema:
&] rake db:schema:load ; rake -T
Quick check:
&] rake biorails:check:all
Test preparation:
&] unoconv -l
Full test:
&] export RAILS_ENV=test
&] rake biorails:ferret_start
&] rake test
Bootstrap:
&] rake biorails:db:bootstrap
&] ruby script/server
Lighthttpd web server:
&] sudo apt-get install lighttpd
&] nano config/lighttpd-template.conf
########################################################################
# lighttpd configuration file
#
# use it as a base for lighttpd 1.0.0 and above
#
# $Id: lighttpd.conf,v 1.7 2004/11/03 22:26:05 weigon Exp $
#
############ Options you really have to take care of ####################
server.modules = ("mod_rewrite", "mod_access", "mod_redirect", "mod_proxy", "mod_compress", "mod_accesslog")
server.document-root = "/home/biorails/enterprise/trunk/public/"
server.errorlog = "/var/log/lighttpd/error_log"
server.dir-listing = "disable"
## files to check for if .../ is requested
server.indexfiles = ("index.html", "index.htm", "index.rb")
&] sudo cp config/lighttpd-template.conf /etc/lighttpd/lighttpd.conf
&] sudo /etc/init.d/lighttpd stop
&] sudo lighttpd -f /etc/lighttpd/lighttpd.conf
Performance upgrade:
&] export RAILS_ENV=production
&] rake asset:packager:build_all
&] rake biorails:start
Check that you have built R with the configure option '--enable-R-shlib' to make R as a shared library
&]cd $R_HOME
&]make distclean
&]./configure --enable-R-shlib
&]make
&] make install
import rpy2.tests import unittest # the verbosity level can be increased if needed tr = unittest.TextTestRunner(verbosity = 1) suite = rpy2.tests.suite() tr.run(suite)
&] export R_HOME=/path/to/R/for/your/OS
&] export RHOME=/path/to/R/for/your/OS
&] sudo gem install rsruby -- --with-R-dir=$R_HOME
On Ubuntu
&] sudo gem install rsruby -- --with-R-home=/usr/lib/R --with-R-include=/usr/share/R/include
You may try to install it from source. Compile and install the Ruby library using setup.rb as shown. You need to supply
the location of your R installation for the libR shared library. This will usually be
the same as R_HOME.
&] cd rsruby
&] ruby setup.rb config -- --with-R-dir=/usr/lib/R
&] ruby setup.rb setup
&] sudo ruby setup.rb install
You may test it
&] ruby setup.rb test
&] irb -rrsruby
>> @R = RSRuby.instance
>> @R.wilcox_test([1,2,3],[4,5,6])
>> foo = @R.as_data_frame(1)
