ChartDirector 6.0 (Ruby Edition)
Funnel Chart
Source Code Listing
require("chartdirector") class FunnelController < ApplicationController def index() @title = "Funnel Chart" @ctrl_file = File.expand_path(__FILE__) @noOfCharts = 1 render :template => "templates/chartview" end # # Render and deliver the chart # def getchart() # The data for the pyramid chart data = [156, 123, 211, 179] # The labels for the pyramid chart labels = ["Corporate Tax", "Working Capital", "Re-investment", "Dividend"] # The colors for the pyramid layers colors = [0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff] # Create a PyramidChart object of size 500 x 400 pixels c = ChartDirector::PyramidChart.new(500, 400) # Set the funnel center at (200, 210), and width x height to 150 x 300 pixels c.setFunnelSize(200, 210, 150, 300) # Set the elevation to 5 degrees c.setViewAngle(5) # Set the pyramid data and labels c.setData(data, labels) # Set the layer colors to the given colors c.setColors2(ChartDirector::DataColor, colors) # Leave 1% gaps between layers c.setLayerGap(0.01) # Add labels at the right side of the pyramid layers using Arial Bold font. The labels will # have 3 lines showing the layer name, value and percentage. c.setRightLabel("{label}\nUS ${value}K\n({percent}%)", "arialbd.ttf") # Output the chart send_data(c.makeChart2(ChartDirector::PNG), :type => "image/png", :disposition => "inline") end end |
<html> <body style="margin:5px 0px 0px 5px"> <!-- Title --> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> <%= @title %> </div> <hr style="border:solid 1px #000080" /> <!-- Source Code Listing Link --> <div style="font-size:9pt; font-family:verdana; margin-bottom:1.5em"> <%= link_to "Source Code Listing", :controller => "cddemo", :action => "viewsource", :ctrl_file => @ctrl_file, :view_file => File.expand_path(__FILE__) %> </div> <!-- Create one or more IMG tags to display the demo chart(s) --> <% 0.upto(@noOfCharts - 1) do |i| %> <img src="<%= url_for(:action => "getchart", :img => i) %>"> <% end %> </body> </html> |
#!/usr/bin/env ruby require("chartdirector") # The data for the pyramid chart data = [156, 123, 211, 179] # The labels for the pyramid chart labels = ["Corporate Tax", "Working Capital", "Re-investment", "Dividend"] # The colors for the pyramid layers colors = [0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff] # Create a PyramidChart object of size 500 x 400 pixels c = ChartDirector::PyramidChart.new(500, 400) # Set the funnel center at (200, 210), and width x height to 150 x 300 pixels c.setFunnelSize(200, 210, 150, 300) # Set the elevation to 5 degrees c.setViewAngle(5) # Set the pyramid data and labels c.setData(data, labels) # Set the layer colors to the given colors c.setColors2(ChartDirector::DataColor, colors) # Leave 1% gaps between layers c.setLayerGap(0.01) # Add labels at the right side of the pyramid layers using Arial Bold font. The labels will have 3 # lines showing the layer name, value and percentage. c.setRightLabel("{label}\nUS ${value}K\n({percent}%)", "arialbd.ttf") # Output the chart c.makeChart("funnel.png") |