ChartDirector 6.0 (Ruby Edition)
Multi-Cylinder Chart
Source Code Listing
require("chartdirector") class MulticylinderController < ApplicationController def index() @title = "Multi-Cylinder Chart" @ctrl_file = File.expand_path(__FILE__) @noOfCharts = 1 render :template => "templates/chartview" end # # Render and deliver the chart # def getchart() # Data for the chart data0 = [100, 125, 245, 147, 67, 96, 160, 145, 97, 167, 220, 125] data1 = [85, 156, 179, 211, 123, 225, 127, 99, 111, 260, 175, 156] data2 = [97, 87, 56, 267, 157, 157, 67, 156, 77, 87, 197, 87] labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"] # Create a XYChart object of size 560 x 280 pixels. c = ChartDirector::XYChart.new(560, 280) # Add a title to the chart using 14pt Arial Bold Italic font c.addTitle(" Average Weekly Network Load", "arialbi.ttf", 14) # Set the plotarea at (50, 50) and of 500 x 200 pixels in size. Use alternating light grey # (f8f8f8) / white (ffffff) background. Set border to transparent and use grey (CCCCCC) # dotted lines as horizontal and vertical grid lines c.setPlotArea(50, 50, 500, 200, 0xffffff, 0xf8f8f8, ChartDirector::Transparent, c.dashLineColor(0xcccccc, ChartDirector::DotLine), c.dashLineColor(0xcccccc, ChartDirector::DotLine)) # Add a legend box at (50, 22) using horizontal layout. Use 10 pt Arial Bold Italic font, # with transparent background c.addLegend(50, 22, false, "arialbi.ttf", 10).setBackground(ChartDirector::Transparent) # Set the x axis labels c.xAxis().setLabels(labels) # Draw the ticks between label positions (instead of at label positions) c.xAxis().setTickOffset(0.5) # Add axis title c.yAxis().setTitle("Throughput (MBytes Per Hour)") # Set axis line width to 2 pixels c.xAxis().setWidth(2) c.yAxis().setWidth(2) # Add a multi-bar layer with 3 data sets layer = c.addBarLayer2(ChartDirector::Side) layer.addDataSet(data0, 0xff0000, "Server #1") layer.addDataSet(data1, 0x00ff00, "Server #2") layer.addDataSet(data2, 0x0000ff, "Server #3") # Set bar shape to circular (cylinder) layer.setBarShape(ChartDirector::CircleShape) # Configure the bars within a group to touch each others (no gap) layer.setBarGap(0.2, ChartDirector::TouchBar) # 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") # Data for the chart data0 = [100, 125, 245, 147, 67, 96, 160, 145, 97, 167, 220, 125] data1 = [85, 156, 179, 211, 123, 225, 127, 99, 111, 260, 175, 156] data2 = [97, 87, 56, 267, 157, 157, 67, 156, 77, 87, 197, 87] labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"] # Create a XYChart object of size 560 x 280 pixels. c = ChartDirector::XYChart.new(560, 280) # Add a title to the chart using 14pt Arial Bold Italic font c.addTitle(" Average Weekly Network Load", "arialbi.ttf", 14) # Set the plotarea at (50, 50) and of 500 x 200 pixels in size. Use alternating light grey (f8f8f8) # / white (ffffff) background. Set border to transparent and use grey (CCCCCC) dotted lines as # horizontal and vertical grid lines c.setPlotArea(50, 50, 500, 200, 0xffffff, 0xf8f8f8, ChartDirector::Transparent, c.dashLineColor( 0xcccccc, ChartDirector::DotLine), c.dashLineColor(0xcccccc, ChartDirector::DotLine)) # Add a legend box at (50, 22) using horizontal layout. Use 10 pt Arial Bold Italic font, with # transparent background c.addLegend(50, 22, false, "arialbi.ttf", 10).setBackground(ChartDirector::Transparent) # Set the x axis labels c.xAxis().setLabels(labels) # Draw the ticks between label positions (instead of at label positions) c.xAxis().setTickOffset(0.5) # Add axis title c.yAxis().setTitle("Throughput (MBytes Per Hour)") # Set axis line width to 2 pixels c.xAxis().setWidth(2) c.yAxis().setWidth(2) # Add a multi-bar layer with 3 data sets layer = c.addBarLayer2(ChartDirector::Side) layer.addDataSet(data0, 0xff0000, "Server #1") layer.addDataSet(data1, 0x00ff00, "Server #2") layer.addDataSet(data2, 0x0000ff, "Server #3") # Set bar shape to circular (cylinder) layer.setBarShape(ChartDirector::CircleShape) # Configure the bars within a group to touch each others (no gap) layer.setBarGap(0.2, ChartDirector::TouchBar) # Output the chart c.makeChart("multicylinder.png") |