ChartDirector 6.0 (Ruby Edition)
Missing Data Points
Source Code Listing
require("chartdirector") class MissingpointsController < ApplicationController def index() @title = "Missing Data Points" @ctrl_file = File.expand_path(__FILE__) @noOfCharts = 1 render :template => "templates/chartview" end # # Render and deliver the chart # def getchart() # The data for the chart data0 = [42, 49, ChartDirector::NoValue, 38, 64, 56, 29, 41, 44, 57] data1 = [65, 75, 47, 34, 42, 49, 73, ChartDirector::NoValue, 90, 69, 66, 78] data2 = [ChartDirector::NoValue, ChartDirector::NoValue, 25, 28, 38, 20, 22, ChartDirector::NoValue, 25, 33, 30, 24] labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] # Create a XYChart object of size 600 x 360 pixels. Set background color to brushed silver, # with a 2 pixel 3D border. Use rounded corners. c = ChartDirector::XYChart.new(600, 360, ChartDirector::brushedSilverColor(), ChartDirector::Transparent, 2) c.setRoundedFrame() # Add a title using 18pt Times New Roman Bold Italic font. #Set top/bottom margins to 6 # pixels. title = c.addTitle("Product Line Global Revenue", "timesbi.ttf", 18) title.setMargin2(0, 0, 6, 6) # Add a separator line just under the title c.addLine(10, title.getHeight(), c.getWidth() - 11, title.getHeight(), ChartDirector::LineColor) # Add a legend box where the top-center is anchored to the horizontal center of the chart, # just under the title. Use horizontal layout and 10 points Arial Bold font, and transparent # background and border. legendBox = c.addLegend(c.getWidth() / 2, title.getHeight(), false, "arialbd.ttf", 10) legendBox.setAlignment(ChartDirector::TopCenter) legendBox.setBackground(ChartDirector::Transparent, ChartDirector::Transparent) # Tentatively set the plotarea at (70, 75) and of 460 x 240 pixels in size. Use transparent # border and black (000000) grid lines c.setPlotArea(70, 75, 460, 240, -1, -1, ChartDirector::Transparent, 0x000000, -1) # Set the x axis labels c.xAxis().setLabels(labels) # Show the same scale on the left and right y-axes c.syncYAxis() # Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will use this as the # guideline when putting ticks on the y-axis. c.yAxis().setTickDensity(30) # Set all axes to transparent c.xAxis().setColors(ChartDirector::Transparent) c.yAxis().setColors(ChartDirector::Transparent) c.yAxis2().setColors(ChartDirector::Transparent) # Set the x-axis margins to 15 pixels, so that the horizontal grid lines can extend beyond # the leftmost and rightmost vertical grid lines c.xAxis().setMargin(15, 15) # Set axis label style to 8pt Arial Bold c.xAxis().setLabelStyle("arialbd.ttf", 8) c.yAxis().setLabelStyle("arialbd.ttf", 8) c.yAxis2().setLabelStyle("arialbd.ttf", 8) # Add axis title using 10pt Arial Bold Italic font c.yAxis().setTitle("Revenue in USD millions", "arialbi.ttf", 10) c.yAxis2().setTitle("Revenue in USD millions", "arialbi.ttf", 10) # Add the first line. The missing data will be represented as gaps in the line (the default # behaviour) layer0 = c.addLineLayer2() layer0.addDataSet(data0, 0xff0000, "Quantum Computer").setDataSymbol( ChartDirector::GlassSphere2Shape, 11) layer0.setLineWidth(3) # Add the second line. The missing data will be represented by using dash lines to bridge # the gap layer1 = c.addLineLayer2() layer1.addDataSet(data1, 0x00ff00, "Atom Synthesizer").setDataSymbol( ChartDirector::GlassSphere2Shape, 11) layer1.setLineWidth(3) layer1.setGapColor(c.dashLineColor(0x00ff00)) # Add the third line. The missing data will be ignored - just join the gap with the original # line style. layer2 = c.addLineLayer2() layer2.addDataSet(data2, 0xff6600, "Proton Cannon").setDataSymbol( ChartDirector::GlassSphere2Shape, 11) layer2.setLineWidth(3) layer2.setGapColor(ChartDirector::SameAsMainColor) # layout the legend so we can get the height of the legend box c.layoutLegend() # Adjust the plot area size, such that the bounding box (inclusive of axes) is 15 pixels # from the left edge, just under the legend box, 16 pixels from the right edge, and 25 # pixels from the bottom edge. c.packPlotArea(15, legendBox.getTopY() + legendBox.getHeight(), c.getWidth() - 16, c.getHeight() - 25) # Output the chart send_data(c.makeChart2(ChartDirector::JPG), :type => "image/jpeg", :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 chart data0 = [42, 49, ChartDirector::NoValue, 38, 64, 56, 29, 41, 44, 57] data1 = [65, 75, 47, 34, 42, 49, 73, ChartDirector::NoValue, 90, 69, 66, 78] data2 = [ChartDirector::NoValue, ChartDirector::NoValue, 25, 28, 38, 20, 22, ChartDirector::NoValue, 25, 33, 30, 24] labels = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] # Create a XYChart object of size 600 x 360 pixels. Set background color to brushed silver, with a 2 # pixel 3D border. Use rounded corners. c = ChartDirector::XYChart.new(600, 360, ChartDirector::brushedSilverColor(), ChartDirector::Transparent, 2) c.setRoundedFrame() # Add a title using 18pt Times New Roman Bold Italic font. #Set top/bottom margins to 6 pixels. title = c.addTitle("Product Line Global Revenue", "timesbi.ttf", 18) title.setMargin2(0, 0, 6, 6) # Add a separator line just under the title c.addLine(10, title.getHeight(), c.getWidth() - 11, title.getHeight(), ChartDirector::LineColor) # Add a legend box where the top-center is anchored to the horizontal center of the chart, just # under the title. Use horizontal layout and 10 points Arial Bold font, and transparent background # and border. legendBox = c.addLegend(c.getWidth() / 2, title.getHeight(), false, "arialbd.ttf", 10) legendBox.setAlignment(ChartDirector::TopCenter) legendBox.setBackground(ChartDirector::Transparent, ChartDirector::Transparent) # Tentatively set the plotarea at (70, 75) and of 460 x 240 pixels in size. Use transparent border # and black (000000) grid lines c.setPlotArea(70, 75, 460, 240, -1, -1, ChartDirector::Transparent, 0x000000, -1) # Set the x axis labels c.xAxis().setLabels(labels) # Show the same scale on the left and right y-axes c.syncYAxis() # Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will use this as the guideline # when putting ticks on the y-axis. c.yAxis().setTickDensity(30) # Set all axes to transparent c.xAxis().setColors(ChartDirector::Transparent) c.yAxis().setColors(ChartDirector::Transparent) c.yAxis2().setColors(ChartDirector::Transparent) # Set the x-axis margins to 15 pixels, so that the horizontal grid lines can extend beyond the # leftmost and rightmost vertical grid lines c.xAxis().setMargin(15, 15) # Set axis label style to 8pt Arial Bold c.xAxis().setLabelStyle("arialbd.ttf", 8) c.yAxis().setLabelStyle("arialbd.ttf", 8) c.yAxis2().setLabelStyle("arialbd.ttf", 8) # Add axis title using 10pt Arial Bold Italic font c.yAxis().setTitle("Revenue in USD millions", "arialbi.ttf", 10) c.yAxis2().setTitle("Revenue in USD millions", "arialbi.ttf", 10) # Add the first line. The missing data will be represented as gaps in the line (the default # behaviour) layer0 = c.addLineLayer2() layer0.addDataSet(data0, 0xff0000, "Quantum Computer").setDataSymbol( ChartDirector::GlassSphere2Shape, 11) layer0.setLineWidth(3) # Add the second line. The missing data will be represented by using dash lines to bridge the gap layer1 = c.addLineLayer2() layer1.addDataSet(data1, 0x00ff00, "Atom Synthesizer").setDataSymbol( ChartDirector::GlassSphere2Shape, 11) layer1.setLineWidth(3) layer1.setGapColor(c.dashLineColor(0x00ff00)) # Add the third line. The missing data will be ignored - just join the gap with the original line # style. layer2 = c.addLineLayer2() layer2.addDataSet(data2, 0xff6600, "Proton Cannon").setDataSymbol(ChartDirector::GlassSphere2Shape, 11) layer2.setLineWidth(3) layer2.setGapColor(ChartDirector::SameAsMainColor) # layout the legend so we can get the height of the legend box c.layoutLegend() # Adjust the plot area size, such that the bounding box (inclusive of axes) is 15 pixels from the # left edge, just under the legend box, 16 pixels from the right edge, and 25 pixels from the bottom # edge. c.packPlotArea(15, legendBox.getTopY() + legendBox.getHeight(), c.getWidth() - 16, c.getHeight( ) - 25) # Output the chart c.makeChart("missingpoints.jpg") |