[Boost-commit] svn:boost r45720 - sandbox/SOC/2007/visualization/libs/svg_plot/example

From: pbristow_at_[hidden]
Date: 2008-05-24 12:28:10

Author: pbristow
Date: 2008-05-24 12:28:10 EDT (Sat, 24 May 2008)
New Revision: 45720
URL: http://svn.boost.org/trac/boost/changeset/45720

Log:
Now working but layout not quite right.
Text files modified: 
   sandbox/SOC/2007/visualization/libs/svg_plot/example/boxplot_simple.cpp |   161 +++++++++++++++++++++++++++++---------- 
   1 files changed, 119 insertions(+), 42 deletions(-)

Modified: sandbox/SOC/2007/visualization/libs/svg_plot/example/boxplot_simple.cpp
==============================================================================
--- sandbox/SOC/2007/visualization/libs/svg_plot/example/boxplot_simple.cpp	(original)
+++ sandbox/SOC/2007/visualization/libs/svg_plot/example/boxplot_simple.cpp	2008-05-24 12:28:10 EDT (Sat, 24 May 2008)
@@ -1,59 +1,136 @@
 // boxplot_simple.cpp
-// Copyright (C) Jacob Voytko 2007
-// Distributed under the Boost Software License, Version 1.0.
-// For more information, see http://www.boost.org
-// -----------------------------------------------------------------
+
+// Copyright Jacob Voytko 2007
+// Copyright Paul A. Bristow 2008
+
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// An example to demonstrate simplest use of boxplot.
+// See also boxplot_full.cpp for a wider range of use.
+
+// This file is written to be included from a Quickbook .qbk document.
+// It can be compiled by the C++ compiler, and run. Any output can
+// also be added here as comment or included or pasted in elsewhere.
+
+// Caution: this file contains Quickbook markup as well as code
+// and comments: don't change any of the special comment markups!
+
+//[boxplot_1d_1
+
+/*`
+Boxplot is a  convenient way of graphically depicting groups of numerical data 
+through their five-number summaries.
+Show 1st quartile, median and 3rd quartile as a box, outliers and extreme outliers.
+
+See [@http://en.wikipedia.org/wiki/Boxplot boxplot] and
+
+Some Implementations of the Boxplot
+Michael Frigge, David C. Hoaglin and Boris Iglewicz
+The American Statistician, Vol. 43, No. 1 (Feb., 1989), pp. 50-54
+
+First we need a few includes to use Boost.Plot.
+*/
 
 #include <vector>
+using std::vector;
 #include <cmath>
-
+using ::sin;
 #include <boost/svg_plot/svg_boxplot.hpp>
 
-using std::vector;
+#include <iostream>
+using std::cout;
+using std::endl;
+
+/*`Use two functions, 1/x and sin(x), to simulate distributions.
+*/
 
-// Functions we are using to simulate distributions.
 double f(double x)
-{
-    return 50 / x;
+{ // Effectively 1/x.
+  return 50 / x;
 }
 
 double g(double x)
-{
-    return 40 + 25 * sin(x * 50);
+{ // Effectively sin(x).
+  return 40 + 25 * sin(x * 50);
 }
+//] [boxplot_1d_1]
 
 int main()
 {
-    using namespace boost::svg;
-    std::vector<double> data1, data2;
+  using namespace boost::svg;
+  try
+  {
+//[boxplot_1d_2]
+/*`10 values are computed and stored in two std:: vectors.
+*/
+  std::vector<double> data1;
+  std::vector<double> data2;
+
+  cout.precision(2);
+  for(double i = 0.1; i < 10; i += 0.1)
+  {   // Fill our vectors with 100 values:
+    double fv = f(i);
+    double gv = g(i);
+    // cout << i << ' ' << fv << ' ' << gv << endl;
+    data1.push_back(fv);
+    data2.push_back(gv);
+  }
+
+/*`A new boxplot is contructed and a few settings added.
+*/
+  svg_boxplot my_boxplot;
+
+  my_boxplot.background_border_color(darkblue);
+  my_boxplot.background_color(azure);
+
+  my_boxplot  // Title and axes labels.
+    .title("Boxplots of 1/x and sin(x) Functions")
+    .x_label("Functions")
+    .y_label("Population Size");
+
+  my_boxplot.y_range(0, 100)  // Axis information.
+    //.y_minor_tick_length(20)
+    .y_major_interval(20);
+
+/*`Add the two data series containers, and their labels, to the plot.
+*/
+
+  my_boxplot.plot(data1, "[50 / x]");
+  my_boxplot.plot(data2, "[40 + 25 * sin(x * 50)]");
+
+/*  cout << "my_boxplot.title " << my_boxplot.title() << endl;
+  cout << "my_boxplot.x_label_text "<< my_boxplot.x_label_text() << endl;
+  cout << "my_boxplot.y_label_text " << my_boxplot.y_label_text() << endl; 
+
+  cout << "my_boxplot.background_color " << my_boxplot.background_color() << endl;
+  cout << "my_boxplot.background_border_color " << my_boxplot.background_border_color() << endl;
+  cout << "my_boxplot.plot_background_color " << my_boxplot.plot_background_color() << endl;
+ */ cout << "my_boxplot.plot_border_color " << my_boxplot.plot_border_color() << endl;
+
+
+/*`Finally write the SVG plot to a file.
+*/
+  my_boxplot.write("boxplot_simple.svg");
+/*`You can view the plot at boxplot_simple.svg."
+*/
+
+//] [boxplot_1d_2]
+  }
+  catch(const std::exception& e)
+  {
+    std::cout <<
+      "\n""Message from thrown exception was:\n  " << e.what() << std::endl;
+  }
+  return 0;
+} // int main()
 
-    // Fill our vectors;
-    for(double i = .1; i < 10; i+=.1)
-    {
-        data1.push_back(f(i));
-        data2.push_back(g(i));
-    }
-
-    // Initialize a new plot.
-    svg_boxplot my_plot;
-
-    // Color information.
-    my_plot.background_border_color(black);
-
-    // String information.
-    my_plot.title("Boxplots of Common Functions")
-           .x_label("Functions")
-           .y_label("Population Size");
-
-    // Axis information.
-    my_plot.y_range(0, 100)
-           .y_minor_tick_length(20)
-           .y_major_interval(20);
-
-    // Write data.
-    my_plot.plot(data1, "[50 / x]");
-    my_plot.plot(data2, "[40 + 25 * sin(x * 50)]");
+/*
+
+Output:
+
+
+*/
 
-    my_plot.write("boxplot_simple.svg");
-    return 0;
-}