ChartDirector 6.0 (Ruby Edition)
Marks and Zones (2)
Source Code Listing
require("chartdirector") class Markzone2Controller < ApplicationController def index() @title = "Marks and Zones (2)" @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 = [50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59, 73, 77, 84, 82, 80, 84, 89] # The labels for the chart. Note the "-" means a minor tick. labels = ["0\nJun 4", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "0\nJun 5"] # Create a XYChart object of size 400 x 270 pixels c = ChartDirector::XYChart.new(400, 270) # Set the plotarea at (80, 25) and of size 300 x 200 pixels. Use alternate color background # (0xeeeeee) and (0xffffff). Set border and grid colors to grey (0xc0c0c0). c.setPlotArea(50, 25, 300, 200, 0xeeeeee, 0xffffff, 0xc0c0c0, 0xc0c0c0, 0xc0c0c0) # Add a title to the chart using 14pt Times Bold Italic font c.addTitle("Server Monitor", "timesbi.ttf", 14) # Add a title to the y axis c.yAxis().setTitle("Server Load (MBytes)") # Set the y axis width to 2 pixels c.yAxis().setWidth(2) # Set the labels on the x axis. c.xAxis().setLabels(labels) # Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels. c.xAxis().setLabelStep(3, 1) # Set the x axis width to 2 pixels c.xAxis().setWidth(2) # Add a horizontal red (0x800080) mark line at y = 80 yMark = c.yAxis().addMark(80, 0xff0000, "Critical Threshold Set Point") # Set the mark line width to 2 pixels yMark.setLineWidth(2) # Put the mark label at the top center of the mark line yMark.setAlignment(ChartDirector::TopCenter) # Add an orange (0xffcc66) zone from x = 18 to x = 20 c.xAxis().addZone(18, 20, 0xffcc66) # Add a vertical brown (0x995500) mark line at x = 18 xMark1 = c.xAxis().addMark(18, 0x995500, "Backup Start") # Set the mark line width to 2 pixels xMark1.setLineWidth(2) # Put the mark label at the left of the mark line xMark1.setAlignment(ChartDirector::Left) # Rotate the mark label by 90 degrees so it draws vertically xMark1.setFontAngle(90) # Add a vertical brown (0x995500) mark line at x = 20 xMark2 = c.xAxis().addMark(20, 0x995500, "Backup End") # Set the mark line width to 2 pixels xMark2.setLineWidth(2) # Put the mark label at the right of the mark line xMark2.setAlignment(ChartDirector::Right) # Rotate the mark label by 90 degrees so it draws vertically xMark2.setFontAngle(90) # Add a green (0x00cc00) line layer with line width of 2 pixels c.addLineLayer(data, 0x00cc00).setLineWidth(2) # 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 = [50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59, 73, 77, 84, 82, 80, 84, 89] # The labels for the chart. Note the "-" means a minor tick. labels = ["0\nJun 4", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "0\nJun 5"] # Create a XYChart object of size 400 x 270 pixels c = ChartDirector::XYChart.new(400, 270) # Set the plotarea at (80, 25) and of size 300 x 200 pixels. Use alternate color background # (0xeeeeee) and (0xffffff). Set border and grid colors to grey (0xc0c0c0). c.setPlotArea(50, 25, 300, 200, 0xeeeeee, 0xffffff, 0xc0c0c0, 0xc0c0c0, 0xc0c0c0) # Add a title to the chart using 14pt Times Bold Italic font c.addTitle("Server Monitor", "timesbi.ttf", 14) # Add a title to the y axis c.yAxis().setTitle("Server Load (MBytes)") # Set the y axis width to 2 pixels c.yAxis().setWidth(2) # Set the labels on the x axis. c.xAxis().setLabels(labels) # Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels. c.xAxis().setLabelStep(3, 1) # Set the x axis width to 2 pixels c.xAxis().setWidth(2) # Add a horizontal red (0x800080) mark line at y = 80 yMark = c.yAxis().addMark(80, 0xff0000, "Critical Threshold Set Point") # Set the mark line width to 2 pixels yMark.setLineWidth(2) # Put the mark label at the top center of the mark line yMark.setAlignment(ChartDirector::TopCenter) # Add an orange (0xffcc66) zone from x = 18 to x = 20 c.xAxis().addZone(18, 20, 0xffcc66) # Add a vertical brown (0x995500) mark line at x = 18 xMark1 = c.xAxis().addMark(18, 0x995500, "Backup Start") # Set the mark line width to 2 pixels xMark1.setLineWidth(2) # Put the mark label at the left of the mark line xMark1.setAlignment(ChartDirector::Left) # Rotate the mark label by 90 degrees so it draws vertically xMark1.setFontAngle(90) # Add a vertical brown (0x995500) mark line at x = 20 xMark2 = c.xAxis().addMark(20, 0x995500, "Backup End") # Set the mark line width to 2 pixels xMark2.setLineWidth(2) # Put the mark label at the right of the mark line xMark2.setAlignment(ChartDirector::Right) # Rotate the mark label by 90 degrees so it draws vertically xMark2.setFontAngle(90) # Add a green (0x00cc00) line layer with line width of 2 pixels c.addLineLayer(data, 0x00cc00).setLineWidth(2) # Output the chart c.makeChart("markzone2.png") |