ChartDirector 6.0 (Ruby Edition)
Scatter Trend Chart
Source Code Listing
require("chartdirector") class ScattertrendController < ApplicationController def index() @title = "Scatter Trend Chart" @ctrl_file = File.expand_path(__FILE__) @noOfCharts = 1 render :template => "templates/chartview" end # # Render and deliver the chart # def getchart() # The XY data of the first data series dataX0 = [50, 55, 37, 24, 42, 49, 63, 72, 83, 59] dataY0 = [3.6, 2.8, 2.5, 2.3, 3.8, 3.0, 3.8, 5.0, 6.0, 3.3] # The XY data of the second data series dataX1 = [50, 55, 37, 24, 42, 49, 63, 72, 83, 59] dataY1 = [1.6, 1.8, 0.8, 0.5, 1.3, 1.5, 2.3, 2.4, 2.9, 1.5] # 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 white background and a # light grey border (0xc0c0c0). Turn on both horizontal and vertical grid lines with light # grey color (0xc0c0c0) c.setPlotArea(55, 65, 350, 300, 0xffffff, -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 18 point Times Bold Itatic font. c.addTitle("Server Performance", "timesbi.ttf", 18) # Add titles to the axes using 12pt Arial Bold Italic font c.yAxis().setTitle("Response Time (sec)", "arialbi.ttf", 12) c.xAxis().setTitle("Server Load (TPS)", "arialbi.ttf", 12) # Set the axes line width to 3 pixels c.yAxis().setWidth(3) c.xAxis().setWidth(3) # Add a scatter layer using (dataX0, dataY0) c.addScatterLayer(dataX0, dataY0, "Server AAA", ChartDirector::DiamondSymbol, 11, 0x008000) # Add a trend line layer for (dataX0, dataY0) c.addTrendLayer2(dataX0, dataY0, 0x008000).setLineWidth(3) # Add a scatter layer for (dataX1, dataY1) c.addScatterLayer(dataX1, dataY1, "Server BBB", ChartDirector::TriangleSymbol, 9, 0x6666ff) # Add a trend line layer for (dataX1, dataY1) c.addTrendLayer2(dataX1, dataY1, 0x6666ff).setLineWidth(3) # 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 XY data of the first data series dataX0 = [50, 55, 37, 24, 42, 49, 63, 72, 83, 59] dataY0 = [3.6, 2.8, 2.5, 2.3, 3.8, 3.0, 3.8, 5.0, 6.0, 3.3] # The XY data of the second data series dataX1 = [50, 55, 37, 24, 42, 49, 63, 72, 83, 59] dataY1 = [1.6, 1.8, 0.8, 0.5, 1.3, 1.5, 2.3, 2.4, 2.9, 1.5] # 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 white background and a light grey # border (0xc0c0c0). Turn on both horizontal and vertical grid lines with light grey color # (0xc0c0c0) c.setPlotArea(55, 65, 350, 300, 0xffffff, -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 18 point Times Bold Itatic font. c.addTitle("Server Performance", "timesbi.ttf", 18) # Add titles to the axes using 12pt Arial Bold Italic font c.yAxis().setTitle("Response Time (sec)", "arialbi.ttf", 12) c.xAxis().setTitle("Server Load (TPS)", "arialbi.ttf", 12) # Set the axes line width to 3 pixels c.yAxis().setWidth(3) c.xAxis().setWidth(3) # Add a scatter layer using (dataX0, dataY0) c.addScatterLayer(dataX0, dataY0, "Server AAA", ChartDirector::DiamondSymbol, 11, 0x008000) # Add a trend line layer for (dataX0, dataY0) c.addTrendLayer2(dataX0, dataY0, 0x008000).setLineWidth(3) # Add a scatter layer for (dataX1, dataY1) c.addScatterLayer(dataX1, dataY1, "Server BBB", ChartDirector::TriangleSymbol, 9, 0x6666ff) # Add a trend line layer for (dataX1, dataY1) c.addTrendLayer2(dataX1, dataY1, 0x6666ff).setLineWidth(3) # Output the chart c.makeChart("scattertrend.png") |