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Contents
# encoding: UTF-8
# = Censo Agropecuario 2007, Chile: Treemap
# This treemap represents farm explotations on Biobío province, Chile.
# Colors represent different 'comunas' and bar inside one color
# represent different types of explotation
$:.unshift(File.dirname(__FILE__)+"/../../../lib")
require 'rubyvis'
load(File.dirname(__FILE__)+"/censo_agropecuario_chile_data.rb")
w = 500
h = 500
max_s=30
c_p_c={}
te = {
1=>"Explotación agropecuaria con actividad",
2=>"Explotación forestal",
3=>"Explotación agropecuaria sin tierra",
4=>"Explotación agropecuaria temporalmente sin actividad",
5=>"Parques nacionales y reservas forestales"}
number=Rubyvis::Format.number
color=Rubyvis::Colors.category20
$censo.each_with_index do |c,i|
c_p_c[c[:glosa]]||=Hash.new
c_p_c[c[:glosa]][c[:te]]=OpenStruct.new(c)
end
nodes = pv.dom(c_p_c).root("censo").nodes
# The root panel.
vis = pv.Panel.new()
.width(w)
.height(h)
.bottom(20)
.left(30)
.right(10)
.top(5);
treemap = vis.add(Rubyvis::Layout::Treemap).
nodes(nodes).mode("squarify").round(true).
size(lambda {|d| d.node_value.superficie})
treemap.leaf.add(Rubyvis::Panel).
fill_style(lambda{|d|
color.scale(d.node_value.glosa)}).
stroke_style("#fff").
line_width(1).
antialias(false).
title(lambda {|d| d.parent_node ? d.node_value.glosa+"-#{te[d.node_value.te]}" : ""})
treemap.node_label.add(Rubyvis::Label).
text_style(lambda {|d| pv.rgb(0, 0, 0, 1)}).
visible(lambda {|d| d.node_value and d.node_value.superficie>200}).
text(lambda {|d| number.format(d.node_value.superficie.to_i)})
vis.render()
puts vis.to_svg
Version data entries
11 entries across 11 versions & 1 rubygems