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<li class="navelem"><a class="el" href="dir_eccc925508204c58f9de69585b548932.html">Geometry</a></li> </ul>
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<div class="title">GeometryStrategyAbstractBase.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * (C) 2016 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> ******************************************************************************************************/</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "EngaugeAssert.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "FormatCoordsUnits.h"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "GeometryStrategyAbstractBase.h"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <qmath.h></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <QPointF></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "Spline.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "SplinePair.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "Transformation.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="classGeometryStrategyAbstractBase.html#ac56c910894be58c0824902130024853f"> 19</a></span> <a class="code" href="classGeometryStrategyAbstractBase.html#ac56c910894be58c0824902130024853f">GeometryStrategyAbstractBase::GeometryStrategyAbstractBase</a>()</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> }</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> GeometryStrategyAbstractBase::~GeometryStrategyAbstractBase()</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> }</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classGeometryStrategyAbstractBase.html#a9033de2fd2f8088aa7d9688d17e503c8"> 27</a></span> <span class="keywordtype">void</span> <a class="code" href="classGeometryStrategyAbstractBase.html#a9033de2fd2f8088aa7d9688d17e503c8">GeometryStrategyAbstractBase::calculatePositionsGraph</a> (<span class="keyword">const</span> Points &points,</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">const</span> <a class="code" href="classTransformation.html">Transformation</a> &transformation,</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  QVector<QPointF> &positionsGraph)<span class="keyword"> const</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword"></span>{</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  positionsGraph.clear();</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < points.size(); i++) {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">const</span> <a class="code" href="classPoint.html">Point</a> &pointScreen = points [i];</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  QPointF posScreen = pointScreen.<a class="code" href="classPoint.html#a7a10394ed496307f890f7c64520149f5">posScreen</a> ();</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  QPointF posGraph;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  transformation.<a class="code" href="classTransformation.html#a52c9e6ea2fb295b91625779be3f3c444">transformScreenToRawGraph</a> (posScreen,</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  posGraph);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  positionsGraph.push_back (posGraph);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classGeometryStrategyAbstractBase.html#aac895dd50cdf1d8efe7543af53b63344"> 45</a></span> <span class="keywordtype">double</span> <a class="code" href="classGeometryStrategyAbstractBase.html#aac895dd50cdf1d8efe7543af53b63344">GeometryStrategyAbstractBase::functionArea</a> (<span class="keyword">const</span> QVector<QPointF> &positionsGraph)<span class="keyword"> const</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword"></span>{</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// Integrate using trapezoidal approximation to get the area under the function</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">double</span> sum = 0, xLast = 0, yLast = 0;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < positionsGraph.size (); i++) {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">double</span> x = positionsGraph [i].x();</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">double</span> y = positionsGraph [i].y();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">double</span> area = 0.5 * (y + yLast) * (x - xLast);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  sum += area;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  xLast = x;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  yLast = y;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> sum;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classGeometryStrategyAbstractBase.html#a8d5881a2e283b66a5815edfabc08b7b7"> 61</a></span> <span class="keywordtype">void</span> <a class="code" href="classGeometryStrategyAbstractBase.html#a8d5881a2e283b66a5815edfabc08b7b7">GeometryStrategyAbstractBase::insertSubintervalsAndLoadDistances</a> (<span class="keywordtype">int</span> subintervalsPerInterval,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> QVector<QPointF> &positionsGraph,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  QVector<QPointF> &positionsGraphWithSubintervals,</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  QVector<QString> &distanceGraphForward,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  QVector<QString> &distancePercentForward,</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  QVector<QString> &distanceGraphBackward,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  QVector<QString> &distancePercentBackward)<span class="keyword"> const</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword"></span>{</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (positionsGraph.size () > 0) {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// Fit splines to the points</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  vector<double> t;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  vector<SplinePair> xy;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < positionsGraph.size (); i++) {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  t.push_back ((<span class="keywordtype">double</span>) i);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  xy.push_back (<a class="code" href="classSplinePair.html">SplinePair</a> (positionsGraph [i].x(),</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  positionsGraph [i].y()));</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classSpline.html">Spline</a> spline (t,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  xy);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// Loop over the original points, with one original point per original interval</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  QVector<double> distanceGraphDouble;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">double</span> xLast = 0, yLast = 0, distance = 0;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">for</span> (i = 0; i < positionsGraph.size(); i++) {</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// In the interval i-1 to i we insert points to create smaller subintervals</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> subinterval = 0; subinterval < subintervalsPerInterval; subinterval++) {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// Go from i-1 (exclusive) to i (inclusive)</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">double</span> t = (double) (i - 1.0) + (double) (subinterval + 1) / (double) (subintervalsPerInterval);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classSplinePair.html">SplinePair</a> splinePair = spline.<a class="code" href="classSpline.html#aee93a813e8cd326df64b601836baafef">interpolateCoeff</a> (t);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">double</span> x = splinePair.<a class="code" href="classSplinePair.html#a15ed2885edcdbe91f83c172f76b7f9b0">x</a> ();</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">double</span> y = splinePair.<a class="code" href="classSplinePair.html#a0f425a4a773b7611e11ce422b5149364">y</a> ();</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// All points from intervals where i>0, and last point from interval i=0</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (i > 0 || subinterval == subintervalsPerInterval - 1) {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// Insert one of several new points for each original point</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  positionsGraphWithSubintervals.push_back (QPointF (x, y));</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (i > 0) {</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// Add to cumulative distance</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  distance += qSqrt ((x - xLast) * (x - xLast) + (y - yLast) * (y - yLast));</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  xLast = x;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  yLast = y;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Insert one distance entry for each original point</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  distanceGraphDouble.push_back (distance);</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// Compute distance columns</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">double</span> dTotal = qMax (1.0, distanceGraphDouble [distanceGraphDouble.size() - 1]); <span class="comment">// qMax prevents divide by zero</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">for</span> (i = 0; i < distanceGraphDouble.size (); i++) {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">double</span> d = distanceGraphDouble [i];</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  distanceGraphForward.push_back (QString::number (d));</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  distancePercentForward.push_back (QString::number (100.0 * d / dTotal));</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  distanceGraphBackward.push_back (QString::number (dTotal - d));</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  distancePercentBackward.push_back (QString::number (100.0 * (dTotal - d) / dTotal));</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classGeometryStrategyAbstractBase.html#a8b0284b4f993969a1c947579622d8638"> 136</a></span> <span class="keywordtype">void</span> <a class="code" href="classGeometryStrategyAbstractBase.html#a8b0284b4f993969a1c947579622d8638">GeometryStrategyAbstractBase::loadXY</a> (<span class="keyword">const</span> QVector<QPointF> &positionsGraph,</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">const</span> <a class="code" href="classDocumentModelCoords.html">DocumentModelCoords</a> &modelCoords,</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">const</span> <a class="code" href="classDocumentModelGeneral.html">DocumentModelGeneral</a> &modelGeneral,</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> <a class="code" href="classMainWindowModel.html">MainWindowModel</a> &modelMainWindow,</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> <a class="code" href="classTransformation.html">Transformation</a> &transformation,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  QVector<QString> &x,</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  QVector<QString> &y)<span class="keyword"> const</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword"></span>{</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="classFormatCoordsUnits.html">FormatCoordsUnits</a> formatCoordsUnits;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < positionsGraph.size(); i++) {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">double</span> xI = positionsGraph [i].x();</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">double</span> yI = positionsGraph [i].y();</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  QString xFormatted, yFormatted;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  formatCoordsUnits.<a class="code" href="classFormatCoordsUnits.html#a73a6b88cf7f4f1d28256399a20f71ff8">unformattedToFormatted</a> (xI,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  yI,</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  modelCoords,</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  modelGeneral,</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  modelMainWindow,</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  xFormatted,</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  yFormatted,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  transformation);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  x.push_back (xFormatted);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  y.push_back (yFormatted);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="classGeometryStrategyAbstractBase.html#a5e68adc0efcc5b27550763f00d62f1e1"> 166</a></span> <span class="keywordtype">double</span> <a class="code" href="classGeometryStrategyAbstractBase.html#a5e68adc0efcc5b27550763f00d62f1e1">GeometryStrategyAbstractBase::polygonAreaForSimplyConnected</a> (<span class="keyword">const</span> QVector<QPointF> &points)<span class="keyword"> const</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword"></span>{</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// Shoelace formula</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">int</span> N = points.size ();</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">double</span> sum = 0.0;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (N > 0) {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < N - 1; i++) {</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  sum += points [i].x() * points [i + 1].y() - points [i + 1].x() * points [i].y();</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  sum += points [N - 1].x() * points [0].y() - points [0].x() * points [N - 1].y ();</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">return</span> qAbs (sum) / 2.0;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> }</div><div class="ttc" id="classDocumentModelGeneral_html"><div class="ttname"><a href="classDocumentModelGeneral.html">DocumentModelGeneral</a></div><div class="ttdoc">Model for DlgSettingsGeneral and CmdSettingsGeneral. </div><div class="ttdef"><b>Definition:</b> <a href="DocumentModelGeneral_8h_source.html#l00016">DocumentModelGeneral.h:16</a></div></div>
<div class="ttc" id="classGeometryStrategyAbstractBase_html_aac895dd50cdf1d8efe7543af53b63344"><div class="ttname"><a href="classGeometryStrategyAbstractBase.html#aac895dd50cdf1d8efe7543af53b63344">GeometryStrategyAbstractBase::functionArea</a></div><div class="ttdeci">double functionArea(const QVector< QPointF > &positionsGraph) const</div><div class="ttdoc">Use trapezoidal approximation to compute area under the function. Does not apply to relation...</div><div class="ttdef"><b>Definition:</b> <a href="GeometryStrategyAbstractBase_8cpp_source.html#l00045">GeometryStrategyAbstractBase.cpp:45</a></div></div>
<div class="ttc" id="classGeometryStrategyAbstractBase_html_a9033de2fd2f8088aa7d9688d17e503c8"><div class="ttname"><a href="classGeometryStrategyAbstractBase.html#a9033de2fd2f8088aa7d9688d17e503c8">GeometryStrategyAbstractBase::calculatePositionsGraph</a></div><div class="ttdeci">void calculatePositionsGraph(const Points &points, const Transformation &transformation, QVector< QPointF > &positionsGraph) const</div><div class="ttdoc">Convert screen positions to graph positions. </div><div class="ttdef"><b>Definition:</b> <a href="GeometryStrategyAbstractBase_8cpp_source.html#l00027">GeometryStrategyAbstractBase.cpp:27</a></div></div>
<div class="ttc" id="classSpline_html"><div class="ttname"><a href="classSpline.html">Spline</a></div><div class="ttdoc">Cubic interpolation given independent and dependent value vectors. </div><div class="ttdef"><b>Definition:</b> <a href="Spline_8h_source.html#l00021">Spline.h:21</a></div></div>
<div class="ttc" id="classSpline_html_aee93a813e8cd326df64b601836baafef"><div class="ttname"><a href="classSpline.html#aee93a813e8cd326df64b601836baafef">Spline::interpolateCoeff</a></div><div class="ttdeci">SplinePair interpolateCoeff(double t) const</div><div class="ttdoc">Return interpolated y for specified x. </div><div class="ttdef"><b>Definition:</b> <a href="Spline_8cpp_source.html#l00166">Spline.cpp:166</a></div></div>
<div class="ttc" id="classSplinePair_html_a0f425a4a773b7611e11ce422b5149364"><div class="ttname"><a href="classSplinePair.html#a0f425a4a773b7611e11ce422b5149364">SplinePair::y</a></div><div class="ttdeci">double y() const</div><div class="ttdoc">Get method for y. </div><div class="ttdef"><b>Definition:</b> <a href="SplinePair_8cpp_source.html#l00071">SplinePair.cpp:71</a></div></div>
<div class="ttc" id="classGeometryStrategyAbstractBase_html_a8b0284b4f993969a1c947579622d8638"><div class="ttname"><a href="classGeometryStrategyAbstractBase.html#a8b0284b4f993969a1c947579622d8638">GeometryStrategyAbstractBase::loadXY</a></div><div class="ttdeci">void loadXY(const QVector< QPointF > &positionsGraph, const DocumentModelCoords &modelCoords, const DocumentModelGeneral &modelGeneral, const MainWindowModel &modelMainWindow, const Transformation &transformation, QVector< QString > &x, QVector< QString > &y) const</div><div class="ttdoc">Load x and y coordinate vectors. </div><div class="ttdef"><b>Definition:</b> <a href="GeometryStrategyAbstractBase_8cpp_source.html#l00136">GeometryStrategyAbstractBase.cpp:136</a></div></div>
<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div></div>
<div class="ttc" id="classPoint_html"><div class="ttname"><a href="classPoint.html">Point</a></div><div class="ttdoc">Class that represents one digitized point. The screen-to-graph coordinate transformation is always ex...</div><div class="ttdef"><b>Definition:</b> <a href="Point_8h_source.html#l00023">Point.h:23</a></div></div>
<div class="ttc" id="classPoint_html_a7a10394ed496307f890f7c64520149f5"><div class="ttname"><a href="classPoint.html#a7a10394ed496307f890f7c64520149f5">Point::posScreen</a></div><div class="ttdeci">QPointF posScreen() const</div><div class="ttdoc">Accessor for screen position. </div><div class="ttdef"><b>Definition:</b> <a href="Point_8cpp_source.html#l00392">Point.cpp:392</a></div></div>
<div class="ttc" id="classFormatCoordsUnits_html_a73a6b88cf7f4f1d28256399a20f71ff8"><div class="ttname"><a href="classFormatCoordsUnits.html#a73a6b88cf7f4f1d28256399a20f71ff8">FormatCoordsUnits::unformattedToFormatted</a></div><div class="ttdeci">void unformattedToFormatted(double xThetaUnformatted, double yRadiusUnformatted, const DocumentModelCoords &modelCoords, const DocumentModelGeneral &modelGeneral, const MainWindowModel &mainWindowModel, QString &xThetaFormatted, QString &yRadiusFormatted, const Transformation &transformation) const</div><div class="ttdoc">Convert unformatted numeric value to formatted string. Transformation is used to determine best resol...</div><div class="ttdef"><b>Definition:</b> <a href="FormatCoordsUnits_8cpp_source.html#l00063">FormatCoordsUnits.cpp:63</a></div></div>
<div class="ttc" id="classTransformation_html"><div class="ttname"><a href="classTransformation.html">Transformation</a></div><div class="ttdoc">Affine transformation between screen and graph coordinates, based on digitized axis points...</div><div class="ttdef"><b>Definition:</b> <a href="Transformation_8h_source.html#l00031">Transformation.h:31</a></div></div>
<div class="ttc" id="classMainWindowModel_html"><div class="ttname"><a href="classMainWindowModel.html">MainWindowModel</a></div><div class="ttdoc">Model for DlgSettingsMainWindow. </div><div class="ttdef"><b>Definition:</b> <a href="MainWindowModel_8h_source.html#l00027">MainWindowModel.h:27</a></div></div>
<div class="ttc" id="classDocumentModelCoords_html"><div class="ttname"><a href="classDocumentModelCoords.html">DocumentModelCoords</a></div><div class="ttdoc">Model for DlgSettingsCoords and CmdSettingsCoords. </div><div class="ttdef"><b>Definition:</b> <a href="DocumentModelCoords_8h_source.html#l00020">DocumentModelCoords.h:20</a></div></div>
<div class="ttc" id="classGeometryStrategyAbstractBase_html_a5e68adc0efcc5b27550763f00d62f1e1"><div class="ttname"><a href="classGeometryStrategyAbstractBase.html#a5e68adc0efcc5b27550763f00d62f1e1">GeometryStrategyAbstractBase::polygonAreaForSimplyConnected</a></div><div class="ttdeci">double polygonAreaForSimplyConnected(const QVector< QPointF > &points) const</div><div class="ttdoc">Area in polygon using Shoelace formula, which only works if polygon is simply connected. </div><div class="ttdef"><b>Definition:</b> <a href="GeometryStrategyAbstractBase_8cpp_source.html#l00166">GeometryStrategyAbstractBase.cpp:166</a></div></div>
<div class="ttc" id="classFormatCoordsUnits_html"><div class="ttname"><a href="classFormatCoordsUnits.html">FormatCoordsUnits</a></div><div class="ttdoc">Highest-level wrapper around other Formats classes. </div><div class="ttdef"><b>Definition:</b> <a href="FormatCoordsUnits_8h_source.html#l00017">FormatCoordsUnits.h:17</a></div></div>
<div class="ttc" id="classGeometryStrategyAbstractBase_html_ac56c910894be58c0824902130024853f"><div class="ttname"><a href="classGeometryStrategyAbstractBase.html#ac56c910894be58c0824902130024853f">GeometryStrategyAbstractBase::GeometryStrategyAbstractBase</a></div><div class="ttdeci">GeometryStrategyAbstractBase()</div><div class="ttdoc">Single constructor. </div><div class="ttdef"><b>Definition:</b> <a href="GeometryStrategyAbstractBase_8cpp_source.html#l00019">GeometryStrategyAbstractBase.cpp:19</a></div></div>
<div class="ttc" id="classTransformation_html_a52c9e6ea2fb295b91625779be3f3c444"><div class="ttname"><a href="classTransformation.html#a52c9e6ea2fb295b91625779be3f3c444">Transformation::transformScreenToRawGraph</a></div><div class="ttdeci">void transformScreenToRawGraph(const QPointF &coordScreen, QPointF &coordGraph) const</div><div class="ttdoc">Transform from cartesian pixel screen coordinates to cartesian/polar graph coordinates. </div><div class="ttdef"><b>Definition:</b> <a href="Transformation_8cpp_source.html#l00448">Transformation.cpp:448</a></div></div>
<div class="ttc" id="classSplinePair_html_a15ed2885edcdbe91f83c172f76b7f9b0"><div class="ttname"><a href="classSplinePair.html#a15ed2885edcdbe91f83c172f76b7f9b0">SplinePair::x</a></div><div class="ttdeci">double x() const</div><div class="ttdoc">Get method for x. </div><div class="ttdef"><b>Definition:</b> <a href="SplinePair_8cpp_source.html#l00066">SplinePair.cpp:66</a></div></div>
<div class="ttc" id="classGeometryStrategyAbstractBase_html_a8d5881a2e283b66a5815edfabc08b7b7"><div class="ttname"><a href="classGeometryStrategyAbstractBase.html#a8d5881a2e283b66a5815edfabc08b7b7">GeometryStrategyAbstractBase::insertSubintervalsAndLoadDistances</a></div><div class="ttdeci">void insertSubintervalsAndLoadDistances(int subintervalsPerInterval, const QVector< QPointF > &positionsGraph, QVector< QPointF > &positionsGraphWithSubintervals, QVector< QString > &distanceGraphForward, QVector< QString > &distancePercentForward, QVector< QString > &distanceGraphBackward, QVector< QString > &distancePercentBackward) const</div><div class="ttdoc">Insert the specified number of subintervals into each interval. </div><div class="ttdef"><b>Definition:</b> <a href="GeometryStrategyAbstractBase_8cpp_source.html#l00061">GeometryStrategyAbstractBase.cpp:61</a></div></div>
<div class="ttc" id="classSplinePair_html"><div class="ttname"><a href="classSplinePair.html">SplinePair</a></div><div class="ttdoc">Single X/Y pair for cubic spline interpolation initialization and calculations. </div><div class="ttdef"><b>Definition:</b> <a href="SplinePair_8h_source.html#l00011">SplinePair.h:11</a></div></div>
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