ChartDirector 6.0 (Ruby Edition)
Depth Bar Chart
Source Code Listing
require("chartdirector") class DepthbarController < ApplicationController def index() @title = "Depth Bar 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 bar chart data0 = [100, 125, 245, 147, 67] data1 = [85, 156, 179, 211, 123] data2 = [97, 87, 56, 267, 157] # The labels for the bar chart labels = ["Mon", "Tue", "Wed", "Thu", "Fri"] # Create a XYChart object of size 500 x 320 pixels c = ChartDirector::XYChart.new(500, 320) # Set the plotarea at (100, 40) and of size 280 x 240 pixels c.setPlotArea(100, 40, 280, 240) # Add a legend box at (405, 100) c.addLegend(405, 100) # Add a title to the chart c.addTitle("Weekday Network Load") # Add a title to the y axis. Draw the title upright (font angle = 0) c.yAxis().setTitle("Average\nWorkload\n(MBytes\nPer Hour)").setFontAngle(0) # Set the labels on the x axis c.xAxis().setLabels(labels) # Add three bar layers, each representing one data set. The bars are drawn in # semi-transparent colors. c.addBarLayer(data0, 0x808080ff, "Server # 1", 5) c.addBarLayer(data1, 0x80ff0000, "Server # 2", 5) c.addBarLayer(data2, 0x8000ff00, "Server # 3", 5) # 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 bar chart data0 = [100, 125, 245, 147, 67] data1 = [85, 156, 179, 211, 123] data2 = [97, 87, 56, 267, 157] # The labels for the bar chart labels = ["Mon", "Tue", "Wed", "Thu", "Fri"] # Create a XYChart object of size 500 x 320 pixels c = ChartDirector::XYChart.new(500, 320) # Set the plotarea at (100, 40) and of size 280 x 240 pixels c.setPlotArea(100, 40, 280, 240) # Add a legend box at (405, 100) c.addLegend(405, 100) # Add a title to the chart c.addTitle("Weekday Network Load") # Add a title to the y axis. Draw the title upright (font angle = 0) c.yAxis().setTitle("Average\nWorkload\n(MBytes\nPer Hour)").setFontAngle(0) # Set the labels on the x axis c.xAxis().setLabels(labels) # Add three bar layers, each representing one data set. The bars are drawn in semi-transparent # colors. c.addBarLayer(data0, 0x808080ff, "Server # 1", 5) c.addBarLayer(data1, 0x80ff0000, "Server # 2", 5) c.addBarLayer(data2, 0x8000ff00, "Server # 3", 5) # Output the chart c.makeChart("depthbar.png") |