ChartDirector 6.0 (Ruby Edition)
Bubble Chart
Source Code Listing
require("chartdirector") class BubbleController < ApplicationController def index() @title = "Bubble Chart" @ctrl_file = File.expand_path(__FILE__) @noOfCharts = 1 render :template => "templates/chartview" end # # Render and deliver the chart # def getchart() # The XYZ points for the bubble chart dataX0 = [150, 300, 1000, 1700] dataY0 = [12, 60, 25, 65] dataZ0 = [20, 50, 50, 85] dataX1 = [500, 1000, 1300] dataY1 = [35, 50, 75] dataZ1 = [30, 55, 95] # Create a XYChart object of size 450 x 420 pixels c = ChartDirector::XYChart.new(450, 420) # Set the plotarea at (55, 65) and of size 350 x 300 pixels, with a light grey border # (0xc0c0c0). Turn on both horizontal and vertical grid lines with light grey color # (0xc0c0c0) c.setPlotArea(55, 65, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1) # Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12pt Times # Bold Italic font. Set the background and border color to Transparent. c.addLegend(50, 30, false, "timesbi.ttf", 12).setBackground(ChartDirector::Transparent) # Add a title to the chart using 18pt Times Bold Itatic font. c.addTitle("Product Comparison Chart", "timesbi.ttf", 18) # Add a title to the y axis using 12pt Arial Bold Italic font c.yAxis().setTitle("Capacity (tons)", "arialbi.ttf", 12) # Add a title to the x axis using 12pt Arial Bold Italic font c.xAxis().setTitle("Range (miles)", "arialbi.ttf", 12) # Set the axes line width to 3 pixels c.xAxis().setWidth(3) c.yAxis().setWidth(3) # Add (dataX0, dataY0) as a scatter layer with semi-transparent red (0x80ff3333) circle # symbols, where the circle size is modulated by dataZ0. This creates a bubble effect. c.addScatterLayer(dataX0, dataY0, "Technology AAA", ChartDirector::CircleSymbol, 9, 0x80ff3333, 0x80ff3333).setSymbolScale(dataZ0) # Add (dataX1, dataY1) as a scatter layer with semi-transparent green (0x803333ff) circle # symbols, where the circle size is modulated by dataZ1. This creates a bubble effect. c.addScatterLayer(dataX1, dataY1, "Technology BBB", ChartDirector::CircleSymbol, 9, 0x803333ff, 0x803333ff).setSymbolScale(dataZ1) # 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 XYZ points for the bubble chart dataX0 = [150, 300, 1000, 1700] dataY0 = [12, 60, 25, 65] dataZ0 = [20, 50, 50, 85] dataX1 = [500, 1000, 1300] dataY1 = [35, 50, 75] dataZ1 = [30, 55, 95] # Create a XYChart object of size 450 x 420 pixels c = ChartDirector::XYChart.new(450, 420) # Set the plotarea at (55, 65) and of size 350 x 300 pixels, with a light grey border (0xc0c0c0). # Turn on both horizontal and vertical grid lines with light grey color (0xc0c0c0) c.setPlotArea(55, 65, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1) # Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12pt Times Bold Italic # font. Set the background and border color to Transparent. c.addLegend(50, 30, false, "timesbi.ttf", 12).setBackground(ChartDirector::Transparent) # Add a title to the chart using 18pt Times Bold Itatic font. c.addTitle("Product Comparison Chart", "timesbi.ttf", 18) # Add a title to the y axis using 12pt Arial Bold Italic font c.yAxis().setTitle("Capacity (tons)", "arialbi.ttf", 12) # Add a title to the x axis using 12pt Arial Bold Italic font c.xAxis().setTitle("Range (miles)", "arialbi.ttf", 12) # Set the axes line width to 3 pixels c.xAxis().setWidth(3) c.yAxis().setWidth(3) # Add (dataX0, dataY0) as a scatter layer with semi-transparent red (0x80ff3333) circle symbols, # where the circle size is modulated by dataZ0. This creates a bubble effect. c.addScatterLayer(dataX0, dataY0, "Technology AAA", ChartDirector::CircleSymbol, 9, 0x80ff3333, 0x80ff3333).setSymbolScale(dataZ0) # Add (dataX1, dataY1) as a scatter layer with semi-transparent green (0x803333ff) circle symbols, # where the circle size is modulated by dataZ1. This creates a bubble effect. c.addScatterLayer(dataX1, dataY1, "Technology BBB", ChartDirector::CircleSymbol, 9, 0x803333ff, 0x803333ff).setSymbolScale(dataZ1) # Output the chart c.makeChart("bubble.png") |