




This example demonstrates the effects of different 3D depths.
ChartDirector allows the 3D depth and angles to be configured using PieChart.set3D and PieChart.set3D2.
ChartDirector Ver 4.1 (Ruby Edition)
3D Depth
Source Code Listing
require("chartdirector") class ThreeddepthpieController < ApplicationController def index() @title = "3D Depth" @ctrl_file = File.expand_path(__FILE__) @noOfCharts = 5 render :template => "templates/chartview" end # # Render and deliver the chart # def getchart() # the tilt angle of the pie depth = (params["img"]).to_i * 5 + 5 # The data for the pie chart data = [25, 18, 15, 12, 8, 30, 35] # Create a PieChart object of size 100 x 110 pixels c = ChartDirector::PieChart.new(100, 110) # Set the center of the pie at (50, 55) and the radius to 38 pixels c.setPieSize(50, 55, 38) # Set the depth of the 3D pie c.set3D(depth) # Add a title showing the depth c.addTitle(sprintf("Depth = %s pixels", depth), "arial.ttf", 8) # Set the pie data c.setData(data) # Disable the sector labels by setting the color to Transparent c.setLabelStyle("", 8, ChartDirector::Transparent) # 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(img) # the tilt angle of the pie depth = img.to_i * 5 + 5 # The data for the pie chart data = [25, 18, 15, 12, 8, 30, 35] # Create a PieChart object of size 100 x 110 pixels c = ChartDirector::PieChart.new(100, 110) # Set the center of the pie at (50, 55) and the radius to 38 pixels c.setPieSize(50, 55, 38) # Set the depth of the 3D pie c.set3D(depth) # Add a title showing the depth c.addTitle(sprintf("Depth = %s pixels", depth), "arial.ttf", 8) # Set the pie data c.setData(data) # Disable the sector labels by setting the color to Transparent c.setLabelStyle("", 8, ChartDirector::Transparent) # output the chart c.makeChart("threeddepthpie%s.png" % img) end createChart("0") createChart("1") createChart("2") createChart("3") createChart("4") |