ChartDirector 6.0 (Ruby Edition)
Y Zone Coloring
Source Code Listing
require("chartdirector") class YzonecolorController < ApplicationController def index() @title = "Y Zone Coloring" @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 data = [30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35, 50, 66, 56, 48, 52, 65, 62] # The labels for the chart labels = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"] # Create a XYChart object of size 500 x 300 pixels, with a pale yellow (0xffffc0) # background, a black border, and 1 pixel 3D border effect c = ChartDirector::XYChart.new(500, 300, 0xffffc0, 0x000000, 1) # Set directory for loading images to current script directory c.setSearchPath(File.dirname(__FILE__)) # Set the plotarea at (55, 50) and of size 420 x 205 pixels, with white background. Turn on # both horizontal and vertical grid lines with light grey color (0xc0c0c0) c.setPlotArea(55, 50, 420, 205, 0xffffff).setGridColor(0xc0c0c0, 0xc0c0c0) # Add a legend box at (55, 25) (top of the chart) with horizontal layout. Use 8pt Arial # font. Set the background and border color to Transparent. legendBox = c.addLegend(55, 25, false, "", 8) legendBox.setBackground(ChartDirector::Transparent) # Add keys to the legend box to explain the color zones legendBox.addKey("Normal Zone", 0x8033ff33) legendBox.addKey("Alert Zone", 0x80ff3333) # Add a title box to the chart using 13pt Arial Bold Italic font. The title is in CDML and # includes embedded images for highlight. The text is white (0xffffff) on a black # background, with a 1 pixel 3D border. c.addTitle( "<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Y Zone Color Demo " \ "<*img=star.png*><*img=star.png*><*/*>", "arialbi.ttf", 13, 0xffffff).setBackground( 0x000000, -1, 1) # Add a title to the y axis c.yAxis().setTitle("Energy Concentration (KJ per liter)") # Set the labels on the x axis. c.xAxis().setLabels(labels) # Display 1 out of 3 labels on the x-axis. c.xAxis().setLabelStep(3) # Add a title to the x axis using CDML c.xAxis().setTitle("<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>") # Set the axes width to 2 pixels c.xAxis().setWidth(2) c.yAxis().setWidth(2) # Add an area layer to the chart. The area is using a y zone color, where the color is # semi-transparent green below 60, and semi-transparent red above 60. c.addAreaLayer(data, c.yZoneColor(60, 0x8033ff33, 0x80ff3333)) # Add a custom CDML text at the bottom right of the plot area as the logo c.addText(475, 255, "<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*>" \ "<*font=timesbi.ttf,size=10,color=804040*>Molecular\nEngineering<*/*>").setAlignment( ChartDirector::BottomRight) # 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 chart data = [30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35, 50, 66, 56, 48, 52, 65, 62] # The labels for the chart labels = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"] # Create a XYChart object of size 500 x 300 pixels, with a pale yellow (0xffffc0) background, a # black border, and 1 pixel 3D border effect c = ChartDirector::XYChart.new(500, 300, 0xffffc0, 0x000000, 1) # Set the plotarea at (55, 50) and of size 420 x 205 pixels, with white background. Turn on both # horizontal and vertical grid lines with light grey color (0xc0c0c0) c.setPlotArea(55, 50, 420, 205, 0xffffff).setGridColor(0xc0c0c0, 0xc0c0c0) # Add a legend box at (55, 25) (top of the chart) with horizontal layout. Use 8pt Arial font. Set # the background and border color to Transparent. legendBox = c.addLegend(55, 25, false, "", 8) legendBox.setBackground(ChartDirector::Transparent) # Add keys to the legend box to explain the color zones legendBox.addKey("Normal Zone", 0x8033ff33) legendBox.addKey("Alert Zone", 0x80ff3333) # Add a title box to the chart using 13pt Arial Bold Italic font. The title is in CDML and includes # embedded images for highlight. The text is white (0xffffff) on a black background, with a 1 pixel # 3D border. c.addTitle( "<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Y Zone Color Demo " \ "<*img=star.png*><*img=star.png*><*/*>", "arialbi.ttf", 13, 0xffffff).setBackground(0x000000, -1, 1) # Add a title to the y axis c.yAxis().setTitle("Energy Concentration (KJ per liter)") # Set the labels on the x axis. c.xAxis().setLabels(labels) # Display 1 out of 3 labels on the x-axis. c.xAxis().setLabelStep(3) # Add a title to the x axis using CDML c.xAxis().setTitle("<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>") # Set the axes width to 2 pixels c.xAxis().setWidth(2) c.yAxis().setWidth(2) # Add an area layer to the chart. The area is using a y zone color, where the color is # semi-transparent green below 60, and semi-transparent red above 60. c.addAreaLayer(data, c.yZoneColor(60, 0x8033ff33, 0x80ff3333)) # Add a custom CDML text at the bottom right of the plot area as the logo c.addText(475, 255, "<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*>" \ "<*font=timesbi.ttf,size=10,color=804040*>Molecular\nEngineering<*/*>").setAlignment( ChartDirector::BottomRight) # Output the chart c.makeChart("yzonecolor.png") |