ChartDirector 6.0 (Ruby Edition)
Pyramid Gap
Source Code Listing
require("chartdirector") class PyramidgapController < ApplicationController def index() @title = "Pyramid Gap" @ctrl_file = File.expand_path(__FILE__) @noOfCharts = 6 render :template => "templates/chartview" end # # Render and deliver the chart # def getchart() # This script can draw different charts depending on the chartIndex chartIndex = (params["img"]).to_i # The data for the pyramid chart data = [156, 123, 211, 179] # The colors for the pyramid layers colors = [0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff] # The layer gap gap = chartIndex * 0.01 # Create a PyramidChart object of size 200 x 200 pixels, with white (ffffff) background and # grey (888888) border c = ChartDirector::PyramidChart.new(200, 200, 0xffffff, 0x888888) # Set the pyramid center at (100, 100), and width x height to 60 x 120 pixels c.setPyramidSize(100, 100, 60, 120) # Set the layer gap c.addTitle(sprintf("Gap = %s", gap), "ariali.ttf", 15) c.setLayerGap(gap) # Set the elevation to 15 degrees c.setViewAngle(15) # Set the pyramid data c.setData(data) # Set the layer colors to the given colors c.setColors2(ChartDirector::DataColor, colors) # 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") def createChart(chartIndex) # The data for the pyramid chart data = [156, 123, 211, 179] # The colors for the pyramid layers colors = [0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff] # The layer gap gap = chartIndex * 0.01 # Create a PyramidChart object of size 200 x 200 pixels, with white (ffffff) background and grey # (888888) border c = ChartDirector::PyramidChart.new(200, 200, 0xffffff, 0x888888) # Set the pyramid center at (100, 100), and width x height to 60 x 120 pixels c.setPyramidSize(100, 100, 60, 120) # Set the layer gap c.addTitle(sprintf("Gap = %s", gap), "ariali.ttf", 15) c.setLayerGap(gap) # Set the elevation to 15 degrees c.setViewAngle(15) # Set the pyramid data c.setData(data) # Set the layer colors to the given colors c.setColors2(ChartDirector::DataColor, colors) # Output the chart c.makeChart("pyramidgap%s.png" % chartIndex) end createChart(0) createChart(1) createChart(2) createChart(3) createChart(4) createChart(5) |