ChartDirector 6.0 (Ruby Edition)
Polygon Bar Shapes
Source Code Listing
require("chartdirector") class PolygonbarController < ApplicationController def index() @title = "Polygon Bar Shapes" @ctrl_file = File.expand_path(__FILE__) @noOfCharts = 1 render :template => "templates/chartview" end # # Render and deliver the chart # def getchart() # The data for the bar chart data = [85, 156, 179.5, 211, 123, 176, 195] # The labels for the bar chart labels = ["Square", "Star(8)", "Polygon(6)", "Cross", "Cross2", "Diamond", "Custom"] # Create a XYChart object of size 500 x 280 pixels. c = ChartDirector::XYChart.new(500, 280) # Set the plotarea at (50, 40) with alternating light grey (f8f8f8) / white (ffffff) # background c.setPlotArea(50, 40, 400, 200, 0xf8f8f8, 0xffffff) # Add a title to the chart using 14pt Arial Bold Italic font c.addTitle(" Bar Shape Demonstration", "arialbi.ttf", 14) # Add a multi-color bar chart layer layer = c.addBarLayer3(data) # Set layer to 3D with 10 pixels 3D depth layer.set3D(10) # Set bar shape to circular (cylinder) layer.setBarShape(ChartDirector::CircleShape) # Set the first bar (index = 0) to square shape layer.setBarShape(ChartDirector::SquareShape, 0, 0) # Set the second bar to 8-pointed star layer.setBarShape(ChartDirector::StarShape(8), 0, 1) # Set the third bar to 6-sided polygon layer.setBarShape(ChartDirector::PolygonShape(6), 0, 2) # Set the next 3 bars to cross shape, X shape and diamond shape layer.setBarShape(ChartDirector::CrossShape(), 0, 3) layer.setBarShape(ChartDirector::Cross2Shape(), 0, 4) layer.setBarShape(ChartDirector::DiamondShape, 0, 5) # Set the last bar to a custom shape, specified as an array of (x, y) points in normalized # coordinates layer.setBarShape2([-500, 0, 0, 500, 500, 0, 500, 1000, 0, 500, -500, 1000], 0, 6) # Set the labels on the x axis. c.xAxis().setLabels(labels) # Add a title to the y axis c.yAxis().setTitle("Frequency") # Add a title to the x axis c.xAxis().setTitle("Shapes") # 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 bar chart data = [85, 156, 179.5, 211, 123, 176, 195] # The labels for the bar chart labels = ["Square", "Star(8)", "Polygon(6)", "Cross", "Cross2", "Diamond", "Custom"] # Create a XYChart object of size 500 x 280 pixels. c = ChartDirector::XYChart.new(500, 280) # Set the plotarea at (50, 40) with alternating light grey (f8f8f8) / white (ffffff) background c.setPlotArea(50, 40, 400, 200, 0xf8f8f8, 0xffffff) # Add a title to the chart using 14pt Arial Bold Italic font c.addTitle(" Bar Shape Demonstration", "arialbi.ttf", 14) # Add a multi-color bar chart layer layer = c.addBarLayer3(data) # Set layer to 3D with 10 pixels 3D depth layer.set3D(10) # Set bar shape to circular (cylinder) layer.setBarShape(ChartDirector::CircleShape) # Set the first bar (index = 0) to square shape layer.setBarShape(ChartDirector::SquareShape, 0, 0) # Set the second bar to 8-pointed star layer.setBarShape(ChartDirector::StarShape(8), 0, 1) # Set the third bar to 6-sided polygon layer.setBarShape(ChartDirector::PolygonShape(6), 0, 2) # Set the next 3 bars to cross shape, X shape and diamond shape layer.setBarShape(ChartDirector::CrossShape(), 0, 3) layer.setBarShape(ChartDirector::Cross2Shape(), 0, 4) layer.setBarShape(ChartDirector::DiamondShape, 0, 5) # Set the last bar to a custom shape, specified as an array of (x, y) points in normalized # coordinates layer.setBarShape2([-500, 0, 0, 500, 500, 0, 500, 1000, 0, 500, -500, 1000], 0, 6) # Set the labels on the x axis. c.xAxis().setLabels(labels) # Add a title to the y axis c.yAxis().setTitle("Frequency") # Add a title to the x axis c.xAxis().setTitle("Shapes") # Output the chart c.makeChart("polygonbar.png") |