updates

README.md

@@ -1 +1,59 @@
-Python-based drawing tool for making sketches of mechanics problems.
+Python-based drawing tool for making sketches of mechanics problems.
+
+### Tutorial
+
+For an introduction to Pysketcher, see the tutorial in [HTML](doc/pub/html/index.html) or [PDF](doc/pub/pysketcher.pdf) (or a simplified version of
+the tutorial in Chapter 9 in [A Primer on Scientific Programming with Python](http://www.amazon.com/Scientific-Programming-Computational-Science-Engineering/dp/3642549586/ref=sr_1_2?s=books&ie=UTF8&qid=1407225588&sr=1-2&keywords=langtangen), by H. P. Langtangen, Springer, 2014).
+
+### Citation
+
+If you use Pysketcher and want to cite it, you can either cite this
+web site or the book
+that has the original documentation of the tool.
+
+BibTeX format:
+
+
+```
+@book{Langtangen_2014,
+  title = {A Primer on Scientific Programming With {P}ython},
+  author = {H. P. Langtangen},
+  year = {2014},
+  publisher = {Springer},
+  series = {Texts in Computational Science and Engineering},
+  edition = {Fourth},
+}
+
+@misc{Pysketcher,
+  title = {{P}ysketcher: {D}rawing tool for making sketches},
+  author = {H. P. Langtangen},
+  url = {https://github.com/hplgit/pysketcher},
+  key = {Pysketcher},
+  note = {\url{https://github.com/hplgit/pysketcher}},
+}
+```
+
+Publish format:
+
+
+```
+* books
+** A Primer on Scientific Programming With {P}ython
+   key:       Langtangen_2014
+   author:    H. P. Langtangen
+   year:      2014
+   publisher: Springer
+   status:    published
+   series:    Texts in Computational Science and Engineering
+   edition:   Fourth
+   entrytype: book
+* misc
+** {P}ysketcher: {D}rawing tool for making sketches
+   key:       Pysketcher
+   author:    H. P. Langtangen
+   url:       https://github.com/hplgit/pysketcher
+   status:    published
+   sortkey:   Pysketcher
+   note:      \url{https://github.com/hplgit/pysketcher}
+```
+

README.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+doconce format pandoc README --github_md

doc/pub/tutorial/html/.buildinfo

@@ -1,4 +1,4 @@
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 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: 8734583df8ee10fba2867e926fcad8b4
-tags: fbb0d17656682115ca4d033fb2f83ba1
+config: b6bd8de86073aa5742bf9e821e0b3d8a
+tags: 645f666f9bcd5a90fca523b33c5a78b7

doc/pub/tutorial/html/_sources/index.txt

@@ -7,9 +7,9 @@ Using Pysketcher to Create Principal Sketches of Physics Problems
 Contents:
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 3
 
-   wrap_sketcher
+   main_sketcher
 
 
 Indices and tables

doc/pub/tutorial/html/_static/basic.css

@@ -7,6 +7,8 @@
  * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
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+ * Adjustments by Hans Petter Langtangen <hpl@simula.no>
+ * (added admonition border)
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@@ -276,6 +278,9 @@ p.topic-title {
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 div.admonition {
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+    border: 1px solid;
+    background-color: #f2f2f2;
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doc/pub/tutorial/html/_static/pygments.css

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@@ -7,12 +7,14 @@
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doc/pub/tutorial/html/_static/searchtools.js

@@ -301,7 +301,7 @@ var Search = {
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doc/pub/tutorial/html/genindex.html

@@ -9,15 +9,15 @@
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     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>Index &mdash; Using Pysketcher to Create Principal Sketches of Physics Problems 1.0 documentation</title>
+    <title>Index</title>
     
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-    <link rel="top" title="Using Pysketcher to Create Principal Sketches of Physics Problems 1.0 documentation" href="index.html" />
+
+        <script src="http://sagecell.sagemath.org/static/jquery.min.js"></script>
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+
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+
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@@ -43,7 +69,7 @@
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           <a href="#" title="General Index"
              accesskey="I">index</a></li>
-        <li><a href="index.html">Using Pysketcher to Create Principal Sketches of Physics Problems 1.0 documentation</a> &raquo;</li> 
+        <li><a href="index.html">Using Pysketcher to Create Principal Sketches of Physics Problems</a> &raquo;</li> 
       </ul>
     </div>  
 
@@ -56,8 +82,30 @@
 <h1 id="index">Index</h1>
 
 <div class="genindex-jumpbox">
+ <a href="#R"><strong>R</strong></a>
+ | <a href="#T"><strong>T</strong></a>
  
 </div>
+<h2 id="R">R</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%" valign="top"><dl>
+      
+  <dt><a href="main_sketcher.html#index-1">recursive function calls</a>
+  </dt>
+
+  </dl></td>
+</tr></table>
+
+<h2 id="T">T</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%" valign="top"><dl>
+      
+  <dt><a href="main_sketcher.html#index-0">tree data structure</a>
+  </dt>
+
+  </dl></td>
+</tr></table>
+
 
 
           </div>
@@ -91,12 +139,12 @@
         <li class="right" style="margin-right: 10px">
           <a href="#" title="General Index"
              >index</a></li>
-        <li><a href="index.html">Using Pysketcher to Create Principal Sketches of Physics Problems 1.0 documentation</a> &raquo;</li> 
+        <li><a href="index.html">Using Pysketcher to Create Principal Sketches of Physics Problems</a> &raquo;</li> 
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-        &copy; Copyright 2012, 0.1.
-      Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.2.
+        &copy; Copyright 2015, H. P. Langtangen.
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-
-Using Pysketcher to Create Principal Sketches of Physics Problems
-=================================================================
-
-Contents:
-
-.. toctree::
-   :maxdepth: 2
-
-   wrap_sketcher
-
-
-Indices and tables
-==================
-
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-* :ref:`modindex`
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doc/pub/tutorial/html/html/_static/doctools.js

@@ -1,247 +0,0 @@
-/*
- * doctools.js
- * ~~~~~~~~~~~
- *
- * Sphinx JavaScript utilties for all documentation.
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doc/pub/tutorial/html/html/_static/epub.css

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doc/pub/tutorial/html/html/_static/ie6.css

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doc/pub/tutorial/html/html/_static/pygments.css

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doc/pub/tutorial/html/html/_static/pyramid.css

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- * ~~~~~~~~~~~~
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- * Sphinx stylesheet -- pylons theme.
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- * :copyright: Copyright 2007-2010 by the Sphinx team, see AUTHORS.
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doc/pub/tutorial/html/html/_static/searchtools.js

@@ -1,556 +0,0 @@
-/*
- * searchtools.js_t
- * ~~~~~~~~~~~~~~~~
- *
- * Sphinx JavaScript utilties for the full-text search.
- *
- * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
- * :license: BSD, see LICENSE for details.
- *
- */
-
-/**
- * helper function to return a node containing the
- * search summary for a given text. keywords is a list
- * of stemmed words, hlwords is the list of normal, unstemmed
- * words. the first one is used to find the occurance, the
- * latter for highlighting it.
- */
-
-jQuery.makeSearchSummary = function(text, keywords, hlwords) {
-  var textLower = text.toLowerCase();
-  var start = 0;
-  $.each(keywords, function() {
-    var i = textLower.indexOf(this.toLowerCase());
-    if (i > -1)
-      start = i;
-  });
-  start = Math.max(start - 120, 0);
-  var excerpt = ((start > 0) ? '...' : '') +
-  $.trim(text.substr(start, 240)) +
-  ((start + 240 - text.length) ? '...' : '');
-  var rv = $('<div class="context"></div>').text(excerpt);
-  $.each(hlwords, function() {
-    rv = rv.highlightText(this, 'highlighted');
-  });
-  return rv;
-}
-
-
-/**
- * Porter Stemmer
- */
-var Stemmer = function() {
-
-  var step2list = {
-    ational: 'ate',
-    tional: 'tion',
-    enci: 'ence',
-    anci: 'ance',
-    izer: 'ize',
-    bli: 'ble',
-    alli: 'al',
-    entli: 'ent',
-    eli: 'e',
-    ousli: 'ous',
-    ization: 'ize',
-    ation: 'ate',
-    ator: 'ate',
-    alism: 'al',
-    iveness: 'ive',
-    fulness: 'ful',
-    ousness: 'ous',
-    aliti: 'al',
-    iviti: 'ive',
-    biliti: 'ble',
-    logi: 'log'
-  };
-
-  var step3list = {
-    icate: 'ic',
-    ative: '',
-    alize: 'al',
-    iciti: 'ic',
-    ical: 'ic',
-    ful: '',
-    ness: ''
-  };
-
-  var c = "[^aeiou]";          // consonant
-  var v = "[aeiouy]";          // vowel
-  var C = c + "[^aeiouy]*";    // consonant sequence
-  var V = v + "[aeiou]*";      // vowel sequence
-
-  var mgr0 = "^(" + C + ")?" + V + C;                      // [C]VC... is m>0
-  var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$";    // [C]VC[V] is m=1
-  var mgr1 = "^(" + C + ")?" + V + C + V + C;              // [C]VCVC... is m>1
-  var s_v   = "^(" + C + ")?" + v;                         // vowel in stem
-
-  this.stemWord = function (w) {
-    var stem;
-    var suffix;
-    var firstch;
-    var origword = w;
-
-    if (w.length < 3)
-      return w;
-
-    var re;
-    var re2;
-    var re3;
-    var re4;
-
-    firstch = w.substr(0,1);
-    if (firstch == "y")
-      w = firstch.toUpperCase() + w.substr(1);
-
-    // Step 1a
-    re = /^(.+?)(ss|i)es$/;
-    re2 = /^(.+?)([^s])s$/;
-
-    if (re.test(w))
-      w = w.replace(re,"$1$2");
-    else if (re2.test(w))
-      w = w.replace(re2,"$1$2");
-
-    // Step 1b
-    re = /^(.+?)eed$/;
-    re2 = /^(.+?)(ed|ing)$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      re = new RegExp(mgr0);
-      if (re.test(fp[1])) {
-        re = /.$/;
-        w = w.replace(re,"");
-      }
-    }
-    else if (re2.test(w)) {
-      var fp = re2.exec(w);
-      stem = fp[1];
-      re2 = new RegExp(s_v);
-      if (re2.test(stem)) {
-        w = stem;
-        re2 = /(at|bl|iz)$/;
-        re3 = new RegExp("([^aeiouylsz])\\1$");
-        re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
-        if (re2.test(w))
-          w = w + "e";
-        else if (re3.test(w)) {
-          re = /.$/;
-          w = w.replace(re,"");
-        }
-        else if (re4.test(w))
-          w = w + "e";
-      }
-    }
-
-    // Step 1c
-    re = /^(.+?)y$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      re = new RegExp(s_v);
-      if (re.test(stem))
-        w = stem + "i";
-    }
-
-    // Step 2
-    re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      suffix = fp[2];
-      re = new RegExp(mgr0);
-      if (re.test(stem))
-        w = stem + step2list[suffix];
-    }
-
-    // Step 3
-    re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      suffix = fp[2];
-      re = new RegExp(mgr0);
-      if (re.test(stem))
-        w = stem + step3list[suffix];
-    }
-
-    // Step 4
-    re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
-    re2 = /^(.+?)(s|t)(ion)$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      re = new RegExp(mgr1);
-      if (re.test(stem))
-        w = stem;
-    }
-    else if (re2.test(w)) {
-      var fp = re2.exec(w);
-      stem = fp[1] + fp[2];
-      re2 = new RegExp(mgr1);
-      if (re2.test(stem))
-        w = stem;
-    }
-
-    // Step 5
-    re = /^(.+?)e$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      re = new RegExp(mgr1);
-      re2 = new RegExp(meq1);
-      re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
-      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem))))
-        w = stem;
-    }
-    re = /ll$/;
-    re2 = new RegExp(mgr1);
-    if (re.test(w) && re2.test(w)) {
-      re = /.$/;
-      w = w.replace(re,"");
-    }
-
-    // and turn initial Y back to y
-    if (firstch == "y")
-      w = firstch.toLowerCase() + w.substr(1);
-    return w;
-  }
-}
-
-
-/**
- * Search Module
- */
-var Search = {
-
-  _index : null,
-  _queued_query : null,
-  _pulse_status : -1,
-
-  init : function() {
-      var params = $.getQueryParameters();
-      if (params.q) {
-          var query = params.q[0];
-          $('input[name="q"]')[0].value = query;
-          this.performSearch(query);
-      }
-  },
-
-  loadIndex : function(url) {
-    $.ajax({type: "GET", url: url, data: null, success: null,
-            dataType: "script", cache: true});
-  },
-
-  setIndex : function(index) {
-    var q;
-    this._index = index;
-    if ((q = this._queued_query) !== null) {
-      this._queued_query = null;
-      Search.query(q);
-    }
-  },
-
-  hasIndex : function() {
-      return this._index !== null;
-  },
-
-  deferQuery : function(query) {
-      this._queued_query = query;
-  },
-
-  stopPulse : function() {
-      this._pulse_status = 0;
-  },
-
-  startPulse : function() {
-    if (this._pulse_status >= 0)
-        return;
-    function pulse() {
-      Search._pulse_status = (Search._pulse_status + 1) % 4;
-      var dotString = '';
-      for (var i = 0; i < Search._pulse_status; i++)
-        dotString += '.';
-      Search.dots.text(dotString);
-      if (Search._pulse_status > -1)
-        window.setTimeout(pulse, 500);
-    };
-    pulse();
-  },
-
-  /**
-   * perform a search for something
-   */
-  performSearch : function(query) {
-    // create the required interface elements
-    this.out = $('#search-results');
-    this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
-    this.dots = $('<span></span>').appendTo(this.title);
-    this.status = $('<p style="display: none"></p>').appendTo(this.out);
-    this.output = $('<ul class="search"/>').appendTo(this.out);
-
-    $('#search-progress').text(_('Preparing search...'));
-    this.startPulse();
-
-    // index already loaded, the browser was quick!
-    if (this.hasIndex())
-      this.query(query);
-    else
-      this.deferQuery(query);
-  },
-
-  query : function(query) {
-    var stopwords = ["and","then","into","it","as","are","in","if","for","no","there","their","was","is","be","to","that","but","they","not","such","with","by","a","on","these","of","will","this","near","the","or","at"];
-
-    // Stem the searchterms and add them to the correct list
-    var stemmer = new Stemmer();
-    var searchterms = [];
-    var excluded = [];
-    var hlterms = [];
-    var tmp = query.split(/\s+/);
-    var objectterms = [];
-    for (var i = 0; i < tmp.length; i++) {
-      if (tmp[i] != "") {
-          objectterms.push(tmp[i].toLowerCase());
-      }
-
-      if ($u.indexOf(stopwords, tmp[i]) != -1 || tmp[i].match(/^\d+$/) ||
-          tmp[i] == "") {
-        // skip this "word"
-        continue;
-      }
-      // stem the word
-      var word = stemmer.stemWord(tmp[i]).toLowerCase();
-      // select the correct list
-      if (word[0] == '-') {
-        var toAppend = excluded;
-        word = word.substr(1);
-      }
-      else {
-        var toAppend = searchterms;
-        hlterms.push(tmp[i].toLowerCase());
-      }
-      // only add if not already in the list
-      if (!$.contains(toAppend, word))
-        toAppend.push(word);
-    };
-    var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
-
-    // console.debug('SEARCH: searching for:');
-    // console.info('required: ', searchterms);
-    // console.info('excluded: ', excluded);
-
-    // prepare search
-    var filenames = this._index.filenames;
-    var titles = this._index.titles;
-    var terms = this._index.terms;
-    var fileMap = {};
-    var files = null;
-    // different result priorities
-    var importantResults = [];
-    var objectResults = [];
-    var regularResults = [];
-    var unimportantResults = [];
-    $('#search-progress').empty();
-
-    // lookup as object
-    for (var i = 0; i < objectterms.length; i++) {
-      var others = Array.concat(objectterms.slice(0,i),
-                                objectterms.slice(i+1, objectterms.length))
-      var results = this.performObjectSearch(objectterms[i], others);
-      // Assume first word is most likely to be the object,
-      // other words more likely to be in description.
-      // Therefore put matches for earlier words first.
-      // (Results are eventually used in reverse order).
-      objectResults = results[0].concat(objectResults);
-      importantResults = results[1].concat(importantResults);
-      unimportantResults = results[2].concat(unimportantResults);
-    }
-
-    // perform the search on the required terms
-    for (var i = 0; i < searchterms.length; i++) {
-      var word = searchterms[i];
-      // no match but word was a required one
-      if ((files = terms[word]) == null)
-        break;
-      if (files.length == undefined) {
-        files = [files];
-      }
-      // create the mapping
-      for (var j = 0; j < files.length; j++) {
-        var file = files[j];
-        if (file in fileMap)
-          fileMap[file].push(word);
-        else
-          fileMap[file] = [word];
-      }
-    }
-
-    // now check if the files don't contain excluded terms
-    for (var file in fileMap) {
-      var valid = true;
-
-      // check if all requirements are matched
-      if (fileMap[file].length != searchterms.length)
-        continue;
-
-      // ensure that none of the excluded terms is in the
-      // search result.
-      for (var i = 0; i < excluded.length; i++) {
-        if (terms[excluded[i]] == file ||
-            $.contains(terms[excluded[i]] || [], file)) {
-          valid = false;
-          break;
-        }
-      }
-
-      // if we have still a valid result we can add it
-      // to the result list
-      if (valid)
-        regularResults.push([filenames[file], titles[file], '', null]);
-    }
-
-    // delete unused variables in order to not waste
-    // memory until list is retrieved completely
-    delete filenames, titles, terms;
-
-    // now sort the regular results descending by title
-    regularResults.sort(function(a, b) {
-      var left = a[1].toLowerCase();
-      var right = b[1].toLowerCase();
-      return (left > right) ? -1 : ((left < right) ? 1 : 0);
-    });
-
-    // combine all results
-    var results = unimportantResults.concat(regularResults)
-      .concat(objectResults).concat(importantResults);
-
-    // print the results
-    var resultCount = results.length;
-    function displayNextItem() {
-      // results left, load the summary and display it
-      if (results.length) {
-        var item = results.pop();
-        var listItem = $('<li style="display:none"></li>');
-        if (DOCUMENTATION_OPTIONS.FILE_SUFFIX == '') {
-          // dirhtml builder
-          var dirname = item[0] + '/';
-          if (dirname.match(/\/index\/$/)) {
-            dirname = dirname.substring(0, dirname.length-6);
-          } else if (dirname == 'index/') {
-            dirname = '';
-          }
-          listItem.append($('<a/>').attr('href',
-            DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
-            highlightstring + item[2]).html(item[1]));
-        } else {
-          // normal html builders
-          listItem.append($('<a/>').attr('href',
-            item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
-            highlightstring + item[2]).html(item[1]));
-        }
-        if (item[3]) {
-          listItem.append($('<span> (' + item[3] + ')</span>'));
-          Search.output.append(listItem);
-          listItem.slideDown(5, function() {
-            displayNextItem();
-          });
-        } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
-          $.get(DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' +
-                item[0] + '.txt', function(data) {
-            if (data != '') {
-              listItem.append($.makeSearchSummary(data, searchterms, hlterms));
-              Search.output.append(listItem);
-            }
-            listItem.slideDown(5, function() {
-              displayNextItem();
-            });
-          }, "text");
-        } else {
-          // no source available, just display title
-          Search.output.append(listItem);
-          listItem.slideDown(5, function() {
-            displayNextItem();
-          });
-        }
-      }
-      // search finished, update title and status message
-      else {
-        Search.stopPulse();
-        Search.title.text(_('Search Results'));
-        if (!resultCount)
-          Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
-        else
-            Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
-        Search.status.fadeIn(500);
-      }
-    }
-    displayNextItem();
-  },
-
-  performObjectSearch : function(object, otherterms) {
-    var filenames = this._index.filenames;
-    var objects = this._index.objects;
-    var objnames = this._index.objnames;
-    var titles = this._index.titles;
-
-    var importantResults = [];
-    var objectResults = [];
-    var unimportantResults = [];
-
-    for (var prefix in objects) {
-      for (var name in objects[prefix]) {
-        var fullname = (prefix ? prefix + '.' : '') + name;
-        if (fullname.toLowerCase().indexOf(object) > -1) {
-          var match = objects[prefix][name];
-          var objname = objnames[match[1]];
-          var title = titles[match[0]];
-          // If more than one term searched for, we require other words to be
-          // found in the name/title/description
-          if (otherterms.length > 0) {
-            var haystack = (prefix + ' ' + name + ' ' + objname + ' ' + title).toLowerCase();
-            var allfound = true;
-            for (var i = 0; i < otherterms.length; i++) {
-              if (haystack.indexOf(otherterms[i]) == -1) {
-                allfound = false;
-                break;
-              }
-            }
-            if (!allfound) {
-              continue;
-            }
-          }
-          var descr = objname + _(', in ') + title;
-          // XXX the generated anchors are not generally correct
-          // XXX there may be custom prefixes
-          result = [filenames[match[0]], fullname, '#'+fullname, descr];
-          switch (match[2]) {
-          case 1: objectResults.push(result); break;
-          case 0: importantResults.push(result); break;
-          case 2: unimportantResults.push(result); break;
-          }
-        }
-      }
-    }
-
-    // sort results descending
-    objectResults.sort(function(a, b) {
-      return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0);
-    });
-
-    importantResults.sort(function(a, b) {
-      return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0);
-    });
-
-    unimportantResults.sort(function(a, b) {
-      return (a[1] > b[1]) ? -1 : ((a[1] < b[1]) ? 1 : 0);
-    });
-
-    return [importantResults, objectResults, unimportantResults]
-  }
-}
-
-$(document).ready(function() {
-  Search.init();
-});

doc/pub/tutorial/html/html/_static/websupport.js

@@ -1,808 +0,0 @@
-/*
- * websupport.js
- * ~~~~~~~~~~~~~
- *
- * sphinx.websupport utilties for all documentation.
- *
- * :copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
- * :license: BSD, see LICENSE for details.
- *
- */
-
-(function($) {
-  $.fn.autogrow = function() {
-    return this.each(function() {
-    var textarea = this;
-
-    $.fn.autogrow.resize(textarea);
-
-    $(textarea)
-      .focus(function() {
-        textarea.interval = setInterval(function() {
-          $.fn.autogrow.resize(textarea);
-        }, 500);
-      })
-      .blur(function() {
-        clearInterval(textarea.interval);
-      });
-    });
-  };
-
-  $.fn.autogrow.resize = function(textarea) {
-    var lineHeight = parseInt($(textarea).css('line-height'), 10);
-    var lines = textarea.value.split('\n');
-    var columns = textarea.cols;
-    var lineCount = 0;
-    $.each(lines, function() {
-      lineCount += Math.ceil(this.length / columns) || 1;
-    });
-    var height = lineHeight * (lineCount + 1);
-    $(textarea).css('height', height);
-  };
-})(jQuery);
-
-(function($) {
-  var comp, by;
-
-  function init() {
-    initEvents();
-    initComparator();
-  }
-
-  function initEvents() {
-    $('a.comment-close').live("click", function(event) {
-      event.preventDefault();
-      hide($(this).attr('id').substring(2));
-    });
-    $('a.vote').live("click", function(event) {
-      event.preventDefault();
-      handleVote($(this));
-    });
-    $('a.reply').live("click", function(event) {
-      event.preventDefault();
-      openReply($(this).attr('id').substring(2));
-    });
-    $('a.close-reply').live("click", function(event) {
-      event.preventDefault();
-      closeReply($(this).attr('id').substring(2));
-    });
-    $('a.sort-option').live("click", function(event) {
-      event.preventDefault();
-      handleReSort($(this));
-    });
-    $('a.show-proposal').live("click", function(event) {
-      event.preventDefault();
-      showProposal($(this).attr('id').substring(2));
-    });
-    $('a.hide-proposal').live("click", function(event) {
-      event.preventDefault();
-      hideProposal($(this).attr('id').substring(2));
-    });
-    $('a.show-propose-change').live("click", function(event) {
-      event.preventDefault();
-      showProposeChange($(this).attr('id').substring(2));
-    });
-    $('a.hide-propose-change').live("click", function(event) {
-      event.preventDefault();
-      hideProposeChange($(this).attr('id').substring(2));
-    });
-    $('a.accept-comment').live("click", function(event) {
-      event.preventDefault();
-      acceptComment($(this).attr('id').substring(2));
-    });
-    $('a.delete-comment').live("click", function(event) {
-      event.preventDefault();
-      deleteComment($(this).attr('id').substring(2));
-    });
-    $('a.comment-markup').live("click", function(event) {
-      event.preventDefault();
-      toggleCommentMarkupBox($(this).attr('id').substring(2));
-    });
-  }
-
-  /**
-   * Set comp, which is a comparator function used for sorting and
-   * inserting comments into the list.
-   */
-  function setComparator() {
-    // If the first three letters are "asc", sort in ascending order
-    // and remove the prefix.
-    if (by.substring(0,3) == 'asc') {
-      var i = by.substring(3);
-      comp = function(a, b) { return a[i] - b[i]; };
-    } else {
-      // Otherwise sort in descending order.
-      comp = function(a, b) { return b[by] - a[by]; };
-    }
-
-    // Reset link styles and format the selected sort option.
-    $('a.sel').attr('href', '#').removeClass('sel');
-    $('a.by' + by).removeAttr('href').addClass('sel');
-  }
-
-  /**
-   * Create a comp function. If the user has preferences stored in
-   * the sortBy cookie, use those, otherwise use the default.
-   */
-  function initComparator() {
-    by = 'rating'; // Default to sort by rating.
-    // If the sortBy cookie is set, use that instead.
-    if (document.cookie.length > 0) {
-      var start = document.cookie.indexOf('sortBy=');
-      if (start != -1) {
-        start = start + 7;
-        var end = document.cookie.indexOf(";", start);
-        if (end == -1) {
-          end = document.cookie.length;
-          by = unescape(document.cookie.substring(start, end));
-        }
-      }
-    }
-    setComparator();
-  }
-
-  /**
-   * Show a comment div.
-   */
-  function show(id) {
-    $('#ao' + id).hide();
-    $('#ah' + id).show();
-    var context = $.extend({id: id}, opts);
-    var popup = $(renderTemplate(popupTemplate, context)).hide();
-    popup.find('textarea[name="proposal"]').hide();
-    popup.find('a.by' + by).addClass('sel');
-    var form = popup.find('#cf' + id);
-    form.submit(function(event) {
-      event.preventDefault();
-      addComment(form);
-    });
-    $('#s' + id).after(popup);
-    popup.slideDown('fast', function() {
-      getComments(id);
-    });
-  }
-
-  /**
-   * Hide a comment div.
-   */
-  function hide(id) {
-    $('#ah' + id).hide();
-    $('#ao' + id).show();
-    var div = $('#sc' + id);
-    div.slideUp('fast', function() {
-      div.remove();
-    });
-  }
-
-  /**
-   * Perform an ajax request to get comments for a node
-   * and insert the comments into the comments tree.
-   */
-  function getComments(id) {
-    $.ajax({
-     type: 'GET',
-     url: opts.getCommentsURL,
-     data: {node: id},
-     success: function(data, textStatus, request) {
-       var ul = $('#cl' + id);
-       var speed = 100;
-       $('#cf' + id)
-         .find('textarea[name="proposal"]')
-         .data('source', data.source);
-
-       if (data.comments.length === 0) {
-         ul.html('<li>No comments yet.</li>');
-         ul.data('empty', true);
-       } else {
-         // If there are comments, sort them and put them in the list.
-         var comments = sortComments(data.comments);
-         speed = data.comments.length * 100;
-         appendComments(comments, ul);
-         ul.data('empty', false);
-       }
-       $('#cn' + id).slideUp(speed + 200);
-       ul.slideDown(speed);
-     },
-     error: function(request, textStatus, error) {
-       showError('Oops, there was a problem retrieving the comments.');
-     },
-     dataType: 'json'
-    });
-  }
-
-  /**
-   * Add a comment via ajax and insert the comment into the comment tree.
-   */
-  function addComment(form) {
-    var node_id = form.find('input[name="node"]').val();
-    var parent_id = form.find('input[name="parent"]').val();
-    var text = form.find('textarea[name="comment"]').val();
-    var proposal = form.find('textarea[name="proposal"]').val();
-
-    if (text == '') {
-      showError('Please enter a comment.');
-      return;
-    }
-
-    // Disable the form that is being submitted.
-    form.find('textarea,input').attr('disabled', 'disabled');
-
-    // Send the comment to the server.
-    $.ajax({
-      type: "POST",
-      url: opts.addCommentURL,
-      dataType: 'json',
-      data: {
-        node: node_id,
-        parent: parent_id,
-        text: text,
-        proposal: proposal
-      },
-      success: function(data, textStatus, error) {
-        // Reset the form.
-        if (node_id) {
-          hideProposeChange(node_id);
-        }
-        form.find('textarea')
-          .val('')
-          .add(form.find('input'))
-          .removeAttr('disabled');
-	var ul = $('#cl' + (node_id || parent_id));
-        if (ul.data('empty')) {
-          $(ul).empty();
-          ul.data('empty', false);
-        }
-        insertComment(data.comment);
-        var ao = $('#ao' + node_id);
-        ao.find('img').attr({'src': opts.commentBrightImage});
-        if (node_id) {
-          // if this was a "root" comment, remove the commenting box
-          // (the user can get it back by reopening the comment popup)
-          $('#ca' + node_id).slideUp();
-        }
-      },
-      error: function(request, textStatus, error) {
-        form.find('textarea,input').removeAttr('disabled');
-        showError('Oops, there was a problem adding the comment.');
-      }
-    });
-  }
-
-  /**
-   * Recursively append comments to the main comment list and children
-   * lists, creating the comment tree.
-   */
-  function appendComments(comments, ul) {
-    $.each(comments, function() {
-      var div = createCommentDiv(this);
-      ul.append($(document.createElement('li')).html(div));
-      appendComments(this.children, div.find('ul.comment-children'));
-      // To avoid stagnating data, don't store the comments children in data.
-      this.children = null;
-      div.data('comment', this);
-    });
-  }
-
-  /**
-   * After adding a new comment, it must be inserted in the correct
-   * location in the comment tree.
-   */
-  function insertComment(comment) {
-    var div = createCommentDiv(comment);
-
-    // To avoid stagnating data, don't store the comments children in data.
-    comment.children = null;
-    div.data('comment', comment);
-
-    var ul = $('#cl' + (comment.node || comment.parent));
-    var siblings = getChildren(ul);
-
-    var li = $(document.createElement('li'));
-    li.hide();
-
-    // Determine where in the parents children list to insert this comment.
-    for(i=0; i < siblings.length; i++) {
-      if (comp(comment, siblings[i]) <= 0) {
-        $('#cd' + siblings[i].id)
-          .parent()
-          .before(li.html(div));
-        li.slideDown('fast');
-        return;
-      }
-    }
-
-    // If we get here, this comment rates lower than all the others,
-    // or it is the only comment in the list.
-    ul.append(li.html(div));
-    li.slideDown('fast');
-  }
-
-  function acceptComment(id) {
-    $.ajax({
-      type: 'POST',
-      url: opts.acceptCommentURL,
-      data: {id: id},
-      success: function(data, textStatus, request) {
-        $('#cm' + id).fadeOut('fast');
-        $('#cd' + id).removeClass('moderate');
-      },
-      error: function(request, textStatus, error) {
-        showError('Oops, there was a problem accepting the comment.');
-      }
-    });
-  }
-
-  function deleteComment(id) {
-    $.ajax({
-      type: 'POST',
-      url: opts.deleteCommentURL,
-      data: {id: id},
-      success: function(data, textStatus, request) {
-        var div = $('#cd' + id);
-        if (data == 'delete') {
-          // Moderator mode: remove the comment and all children immediately
-          div.slideUp('fast', function() {
-            div.remove();
-          });
-          return;
-        }
-        // User mode: only mark the comment as deleted
-        div
-          .find('span.user-id:first')
-          .text('[deleted]').end()
-          .find('div.comment-text:first')
-          .text('[deleted]').end()
-          .find('#cm' + id + ', #dc' + id + ', #ac' + id + ', #rc' + id +
-                ', #sp' + id + ', #hp' + id + ', #cr' + id + ', #rl' + id)
-          .remove();
-        var comment = div.data('comment');
-        comment.username = '[deleted]';
-        comment.text = '[deleted]';
-        div.data('comment', comment);
-      },
-      error: function(request, textStatus, error) {
-        showError('Oops, there was a problem deleting the comment.');
-      }
-    });
-  }
-
-  function showProposal(id) {
-    $('#sp' + id).hide();
-    $('#hp' + id).show();
-    $('#pr' + id).slideDown('fast');
-  }
-
-  function hideProposal(id) {
-    $('#hp' + id).hide();
-    $('#sp' + id).show();
-    $('#pr' + id).slideUp('fast');
-  }
-
-  function showProposeChange(id) {
-    $('#pc' + id).hide();
-    $('#hc' + id).show();
-    var textarea = $('#pt' + id);
-    textarea.val(textarea.data('source'));
-    $.fn.autogrow.resize(textarea[0]);
-    textarea.slideDown('fast');
-  }
-
-  function hideProposeChange(id) {
-    $('#hc' + id).hide();
-    $('#pc' + id).show();
-    var textarea = $('#pt' + id);
-    textarea.val('').removeAttr('disabled');
-    textarea.slideUp('fast');
-  }
-
-  function toggleCommentMarkupBox(id) {
-    $('#mb' + id).toggle();
-  }
-
-  /** Handle when the user clicks on a sort by link. */
-  function handleReSort(link) {
-    var classes = link.attr('class').split(/\s+/);
-    for (var i=0; i<classes.length; i++) {
-      if (classes[i] != 'sort-option') {
-	by = classes[i].substring(2);
-      }
-    }
-    setComparator();
-    // Save/update the sortBy cookie.
-    var expiration = new Date();
-    expiration.setDate(expiration.getDate() + 365);
-    document.cookie= 'sortBy=' + escape(by) +
-                     ';expires=' + expiration.toUTCString();
-    $('ul.comment-ul').each(function(index, ul) {
-      var comments = getChildren($(ul), true);
-      comments = sortComments(comments);
-      appendComments(comments, $(ul).empty());
-    });
-  }
-
-  /**
-   * Function to process a vote when a user clicks an arrow.
-   */
-  function handleVote(link) {
-    if (!opts.voting) {
-      showError("You'll need to login to vote.");
-      return;
-    }
-
-    var id = link.attr('id');
-    if (!id) {
-      // Didn't click on one of the voting arrows.
-      return;
-    }
-    // If it is an unvote, the new vote value is 0,
-    // Otherwise it's 1 for an upvote, or -1 for a downvote.
-    var value = 0;
-    if (id.charAt(1) != 'u') {
-      value = id.charAt(0) == 'u' ? 1 : -1;
-    }
-    // The data to be sent to the server.
-    var d = {
-      comment_id: id.substring(2),
-      value: value
-    };
-
-    // Swap the vote and unvote links.
-    link.hide();
-    $('#' + id.charAt(0) + (id.charAt(1) == 'u' ? 'v' : 'u') + d.comment_id)
-      .show();
-
-    // The div the comment is displayed in.
-    var div = $('div#cd' + d.comment_id);
-    var data = div.data('comment');
-
-    // If this is not an unvote, and the other vote arrow has
-    // already been pressed, unpress it.
-    if ((d.value !== 0) && (data.vote === d.value * -1)) {
-      $('#' + (d.value == 1 ? 'd' : 'u') + 'u' + d.comment_id).hide();
-      $('#' + (d.value == 1 ? 'd' : 'u') + 'v' + d.comment_id).show();
-    }
-
-    // Update the comments rating in the local data.
-    data.rating += (data.vote === 0) ? d.value : (d.value - data.vote);
-    data.vote = d.value;
-    div.data('comment', data);
-
-    // Change the rating text.
-    div.find('.rating:first')
-      .text(data.rating + ' point' + (data.rating == 1 ? '' : 's'));
-
-    // Send the vote information to the server.
-    $.ajax({
-      type: "POST",
-      url: opts.processVoteURL,
-      data: d,
-      error: function(request, textStatus, error) {
-        showError('Oops, there was a problem casting that vote.');
-      }
-    });
-  }
-
-  /**
-   * Open a reply form used to reply to an existing comment.
-   */
-  function openReply(id) {
-    // Swap out the reply link for the hide link
-    $('#rl' + id).hide();
-    $('#cr' + id).show();
-
-    // Add the reply li to the children ul.
-    var div = $(renderTemplate(replyTemplate, {id: id})).hide();
-    $('#cl' + id)
-      .prepend(div)
-      // Setup the submit handler for the reply form.
-      .find('#rf' + id)
-      .submit(function(event) {
-        event.preventDefault();
-        addComment($('#rf' + id));
-        closeReply(id);
-      })
-      .find('input[type=button]')
-      .click(function() {
-        closeReply(id);
-      });
-    div.slideDown('fast', function() {
-      $('#rf' + id).find('textarea').focus();
-    });
-  }
-
-  /**
-   * Close the reply form opened with openReply.
-   */
-  function closeReply(id) {
-    // Remove the reply div from the DOM.
-    $('#rd' + id).slideUp('fast', function() {
-      $(this).remove();
-    });
-
-    // Swap out the hide link for the reply link
-    $('#cr' + id).hide();
-    $('#rl' + id).show();
-  }
-
-  /**
-   * Recursively sort a tree of comments using the comp comparator.
-   */
-  function sortComments(comments) {
-    comments.sort(comp);
-    $.each(comments, function() {
-      this.children = sortComments(this.children);
-    });
-    return comments;
-  }
-
-  /**
-   * Get the children comments from a ul. If recursive is true,
-   * recursively include childrens' children.
-   */
-  function getChildren(ul, recursive) {
-    var children = [];
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doc/pub/tutorial/html/index.html

@@ -7,15 +7,15 @@
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+        <li><a href="#">Using Pysketcher to Create Principal Sketches of Physics Problems</a> &raquo;</li> 
       </ul>
     </div>  
 
@@ -59,17 +85,29 @@
 <p>Contents:</p>
 <div class="toctree-wrapper compound">
 <ul>
-<li class="toctree-l1"><a class="reference internal" href="wrap_sketcher.html">Using Pysketcher to Create Principal Sketches of Physics Problems</a></li>
-<li class="toctree-l1"><a class="reference internal" href="wrap_sketcher.html#a-first-glimpse-of-pysketcher">A First Glimpse of Pysketcher</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="wrap_sketcher.html#basic-construction-of-sketches">Basic Construction of Sketches</a></li>
+<li class="toctree-l1"><a class="reference internal" href="main_sketcher.html">Using Pysketcher to Create Principal Sketches of Physics Problems</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="main_sketcher.html#a-first-glimpse-of-pysketcher">A First Glimpse of Pysketcher</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#basic-construction-of-sketches">Basic Construction of Sketches</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="main_sketcher.html#basic-shapes">Basic Shapes</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#axis">Axis</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#distance-with-text">Distance with Text</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#rectangle">Rectangle</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#triangle">Triangle</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#arc">Arc</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#spring">Spring</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#dashpot">Dashpot</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#wavy">Wavy</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#stochastic-curves">Stochastic curves</a></li>
 </ul>
 </li>
-<li class="toctree-l1"><a class="reference internal" href="wrap_sketcher.html#inner-workings-of-the-pysketcher-tool">Inner Workings of the Pysketcher Tool</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="wrap_sketcher.html#example-of-classes-for-geometric-objects">Example of Classes for Geometric Objects</a></li>
+<li class="toctree-l2"><a class="reference internal" href="main_sketcher.html#inner-workings-of-the-pysketcher-tool">Inner Workings of the Pysketcher Tool</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#example-of-classes-for-geometric-objects">Example of Classes for Geometric Objects</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#adding-functionality-via-recursion">Adding Functionality via Recursion</a></li>
+<li class="toctree-l3"><a class="reference internal" href="main_sketcher.html#scaling-translating-and-rotating-a-figure">Scaling, Translating, and Rotating a Figure</a></li>
 </ul>
 </li>
-<li class="toctree-l1"><a class="reference internal" href="wrap_sketcher.html#adding-functionality-via-recursion">Adding Functionality via Recursion</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="wrap_sketcher.html#scaling-translating-and-rotating-a-figure">Scaling, Translating, and Rotating a Figure</a></li>
 </ul>
 </li>
 </ul>
@@ -92,14 +130,12 @@
         <div class="sphinxsidebarwrapper">
   <h3><a href="#">Table Of Contents</a></h3>
   <ul>
-<li><a class="reference internal" href="#">Using Pysketcher to Create Principal Sketches of Physics Problems</a><ul>
-</ul>
-</li>
+<li><a class="reference internal" href="#">Using Pysketcher to Create Principal Sketches of Physics Problems</a></li>
 <li><a class="reference internal" href="#indices-and-tables">Indices and tables</a></li>
 </ul>
 
   <h4>Next topic</h4>
-  <p class="topless"><a href="wrap_sketcher.html"
+  <p class="topless"><a href="main_sketcher.html"
                         title="next chapter">Using Pysketcher to Create Principal Sketches of Physics Problems</a></p>
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doc/pub/tutorial/html/objects.inv

@@ -1,7 +1,6 @@
 # Sphinx inventory version 2
 # Project: Using Pysketcher to Create Principal Sketches of Physics Problems
-# Version: 1.0
+# Version: 0.1
 # The remainder of this file is compressed using zlib.
-xÚ�“MOÃ0†ïû–¸Ò‰rì
$�Ð6‰#r¯	K“(ÎVöïq¿`“*»¤Mò¾ñcÇá¥JS,¶¦.¤Meé8©ÂbI²Úˆá�GÝR§Æ^M³L\Ù·kݯ‚ß›&XÙßGZð\”âp{Y LŒÏ´MÜ#›
-¬q”•È¤@El�«—°2µÁF;Š½„
�"kE0&^ÔäŒSôyÎ1­ðÔýϦ�_ğÛ&²­I8ø� %¬}Ñ'LÆ»EãÕZ8fÓÆH÷âÕ^
-=i\Õ¥­‚EGÿ#=·žÞkÐG)9Cˆ¾´ÔüDœ’+ЙæïÑ&[ÖÛîdèÓ/`å­ Ô�4�õZ0aŽ³³‡µ±ëAðŠõIËq…ýAFšëá{
›ˆŽ­pu“®‡Vý%‰áá·׆b~a�ÞG»œŒ°@$ÛJJ-‘_øòƒ*éæ/ð·a3
+xÚ�“MOÃ0†ïý–¸Òiå˜H ¡mGä6^–&Uœmìßã~M›4¤±KÚ8~ã'oÞPªEµ¶µÚ‘±•£9pÒÊaIò´þ‹Ç¼™I�»›f¹¨ò£jÙG!¬
�mÓ:YßFÊøRµ{¸­P.Â7Z'Oȶg=å%2iÐ÷Ö×3XØÚHÂJŠ}
+z-DÎIb‹1qV“·^ÓÏ9Çàµû¿x„â&þ>
‘cØÛd€Û°´@À¶œ"&‚œ×Yô¾ö�O#â{Ð[qûoÒ¹2–bq£ßƒöEFŒ•ÄÐA$‡É%¥=‘oBùM•8{„˜­ÐÛæúú“,ïe�2ôå,k }̘:¬ó½‡ØhÏrHøÀú¤YŽÑmt5Ò$Xß{XEôÜÙÐMºÞZ„ÔϤÿŸ/4¾õUׇºuèéWq.=}h­9È`hc(5Ù/�b¯

doc/pub/tutorial/html/search.html

@@ -7,15 +7,15 @@
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     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>Search &mdash; Using Pysketcher to Create Principal Sketches of Physics Problems 1.0 documentation</title>
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@@ -26,7 +26,25 @@
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+                .sagecell .CodeMirror-scroll {
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@@ -38,7 +56,15 @@
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+  
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@@ -47,7 +73,7 @@
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-        <li><a href="index.html">Using Pysketcher to Create Principal Sketches of Physics Problems 1.0 documentation</a> &raquo;</li> 
+        <li><a href="index.html">Using Pysketcher to Create Principal Sketches of Physics Problems</a> &raquo;</li> 
       </ul>
     </div>  
 
@@ -95,12 +121,12 @@
         <li class="right" style="margin-right: 10px">
           <a href="genindex.html" title="General Index"
              >index</a></li>
-        <li><a href="index.html">Using Pysketcher to Create Principal Sketches of Physics Problems 1.0 documentation</a> &raquo;</li> 
+        <li><a href="index.html">Using Pysketcher to Create Principal Sketches of Physics Problems</a> &raquo;</li> 
       </ul>
     </div>
     <div class="footer">
-        &copy; Copyright 2012, 0.1.
-      Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.2.
+        &copy; Copyright 2015, H. P. Langtangen.
+      Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>

doc/src/tut/.dict4spell.txt

@@ -1,18 +1,25 @@
+
+Dashpot
 ImageMagick
 Informatics
 Langtangen
+MPEG
 Matplotlib
 OO
+Pygame
 Pysketcher
 SciTools
 Simula
+WebM
 anim
+backend
 befined
 bicyle
 botton
 ch
 classname
 com
+dashpot
 demystify
 dt
 ffmpeg
@@ -31,6 +38,7 @@ linetype
 linewidth
 org
 png
+printf
 py
 pysketcher
 simplistically
@@ -40,5 +48,3 @@ subfigures
 tmp
 txt
 vectorized
-MPEG
-

doc/src/tut/basics.do.txt

@@ -71,7 +71,7 @@ a ``ground'' element.
 
 ===== Basic Construction of Sketches =====
 
-Before attacking real-life sketches as in Figure ref{sketcher:fig1}
+Before attacking real-life sketches as in Figure ref{sketcher:fig:inclinedplane}
 we focus on the significantly simpler drawing shown
 in Figure ref{sketcher:fig:vehicle0}.  This toy sketch consists of
 several elements: two circles, two rectangles, and a ``ground'' element.
@@ -302,7 +302,7 @@ Figure ref{sketcher:fig:vehicle0:hier2}. The ability to write out the
 object hierarchy or view it graphically can be of great help when
 working with complex figures that involve layers of subfigures.
 
-FIGURE: [fig-tut/vehicle0_hier2, width=500 frac=0.8] Hierarchical relation between figure objects, including their class names. label{sketcher:fig:vehicle0:hier2}
+FIGURE: [fig-tut/Vehicle0_hier2, width=500 frac=0.8] Hierarchical relation between figure objects, including their class names. label{sketcher:fig:vehicle0:hier2}
 
 Any of the objects can in the program be reached through their names, e.g.,
 !bc pycod
@@ -531,5 +531,3 @@ can also be copied and moved to other parts of the drawing
 area. However, the single most important feature is probably the
 ability to make animations governed by mathematical formulas or data
 coming from physics simulations of the problem, as shown in the example above.
-
-

doc/src/tut/classes.do.txt

@@ -34,6 +34,7 @@ the appearance of the text that goes with the distance arrow.
 
 FIGURE: [fig-tut/Rectangle, width=500 frac=0.7]
 
+The above figure can be produced by the following code.
 
 @@@CODE ../../../pysketcher/shapes.py fromto: def test_Rectangle@drawing_tool.savefig\('tmp_Rectangle
 
@@ -44,6 +45,7 @@ important argument in the construction of a shape.
 
 FIGURE: [fig-tut/Triangle, width=500 frac=0.7]
 
+The code below produces the figure.
 
 @@@CODE ../../../pysketcher/shapes.py fromto: def test_Triangle@drawing_tool.savefig\('tmp_Triangle
 Here, the `draw_dimension` method writes the name of the corners at the
@@ -53,8 +55,11 @@ to the location of the p1, p2, and even p3 texts.
 
 ===== Arc =====
 
+An arc like
+
 FIGURE: [fig-tut/Arc, width=400 frac=0.5]
 
+is produced by
 
 @@@CODE ../../../pysketcher/shapes.py fromto: def test_Arc@drawing_tool.savefig\('tmp_Arc
 
@@ -62,6 +67,7 @@ FIGURE: [fig-tut/Arc, width=400 frac=0.5]
 
 FIGURE: [fig-tut/Spring, width=800 frac=1]
 
+The code for making this spring is
 
 @@@CODE ../../../pysketcher/shapes.py fromto: def test_Spring@drawing_tool.savefig\('tmp_Spring
 
@@ -69,6 +75,7 @@ FIGURE: [fig-tut/Spring, width=800 frac=1]
 
 FIGURE: [fig-tut/Dashpot, width=600 frac=0.8]
 
+This dashpot is produced by
 
 @@@CODE ../../../pysketcher/shapes.py fromto: def test_Dashpot@drawing_tool.savefig\('tmp_Dashpot
 

doc/src/tut/implementation.do.txt

@@ -468,11 +468,7 @@ that `vehicle` is the parent of `body` and that `body` is a child of
 `vehicle`. The term *node* is also often used to describe an element
 in a tree. A node may have several other nodes as *descendants*.
 
-<<<<<<< HEAD
 FIGURE: [fig-tut/Vehicle0_hier2, width=600 frac=0.8] Hierarchy of figure elements in an instance of class `Vehicle0`. label{sketcher:fig:Vehicle0:hier2}
-=======
-FIGURE: [fig-tut/Vehicle0_hier2, width=600] Hierarchy of figure elements in an instance of class `Vehicle0`. label{sketcher:fig:Vehicle0:hier2}
->>>>>>> de4bcb4860ba1b305e7896fea87a27f83ff8390b
 
 Recursion is the principal programming technique to traverse tree structures.
 Any object in the tree can be viewed as a root of a subtree. For