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<div class="title">qwt_raster_data.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>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "qwt_raster_data.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_point_3d.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "qwt_interval.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <qrect.h></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qpolygon.h></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <qnumeric.h></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <qlist.h></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <qmap.h></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">class </span>QwtRasterData::ContourPlane</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">explicit</span> <span class="keyword">inline</span> ContourPlane( <span class="keywordtype">double</span> z ):</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  m_z( z )</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  }</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> intersect( <span class="keyword">const</span> <a class="code" href="class_qwt_point3_d.html">QwtPoint3D</a> vertex[3],</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  QPointF line[2], <span class="keywordtype">bool</span> ignoreOnPlane ) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">inline</span> <span class="keywordtype">double</span> z()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_z; }</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">inline</span> <span class="keywordtype">int</span> compare( <span class="keywordtype">double</span> z ) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">inline</span> QPointF intersection(</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_point3_d.html">QwtPoint3D</a>& p1, <span class="keyword">const</span> <a class="code" href="class_qwt_point3_d.html">QwtPoint3D</a>& p2 ) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">double</span> m_z;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> };</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> QwtRasterData::ContourPlane::intersect(</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_point3_d.html">QwtPoint3D</a> vertex[3], QPointF line[2],</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">bool</span> ignoreOnPlane )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">bool</span> found = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// Are the vertices below (-1), on (0) or above (1) the plan ?</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> eq1 = compare( vertex[0].z() );</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> eq2 = compare( vertex[1].z() );</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> eq3 = compare( vertex[2].z() );</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">/*</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> (a) All the vertices lie below the contour level.</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> (b) Two vertices lie below and one on the contour level.</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> (c) Two vertices lie below and one above the contour level.</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> (d) One vertex lies below and two on the contour level.</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> (e) One vertex lies below, one on and one above the contour level.</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> (f) One vertex lies below and two above the contour level.</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> (g) Three vertices lie on the contour level.</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> (h) Two vertices lie on and one above the contour level.</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> (i) One vertex lies on and two above the contour level.</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> (j) All the vertices lie above the contour level.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> tab[3][3][3] =</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// jump table to avoid nested case statements</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  { { 0, 0, 8 }, { 0, 2, 5 }, { 7, 6, 9 } },</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  { { 0, 3, 4 }, { 1, 10, 1 }, { 4, 3, 0 } },</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  { { 9, 6, 7 }, { 5, 2, 0 }, { 8, 0, 0 } }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  };</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> edgeType = tab[eq1 + 1][eq2 + 1][eq3 + 1];</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">switch</span> ( edgeType )</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">case</span> 1:</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// d(0,0,-1), h(0,0,1)</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  line[0] = vertex[0].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  line[1] = vertex[1].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">case</span> 2:</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// d(-1,0,0), h(1,0,0)</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  line[0] = vertex[1].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  line[1] = vertex[2].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">case</span> 3:</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// d(0,-1,0), h(0,1,0)</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  line[0] = vertex[2].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  line[1] = vertex[0].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">case</span> 4:</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// e(0,-1,1), e(0,1,-1)</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  line[0] = vertex[0].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  line[1] = intersection( vertex[1], vertex[2] );</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">case</span> 5:</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// e(-1,0,1), e(1,0,-1)</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  line[0] = vertex[1].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  line[1] = intersection( vertex[2], vertex[0] );</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">case</span> 6:</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// e(-1,1,0), e(1,0,-1)</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  line[0] = vertex[2].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  line[1] = intersection( vertex[0], vertex[1] );</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">case</span> 7:</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// c(-1,1,-1), f(1,1,-1)</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  line[0] = intersection( vertex[0], vertex[1] );</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  line[1] = intersection( vertex[1], vertex[2] );</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">case</span> 8:</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// c(-1,-1,1), f(1,1,-1)</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  line[0] = intersection( vertex[1], vertex[2] );</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  line[1] = intersection( vertex[2], vertex[0] );</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">case</span> 9:</div>
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|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// f(-1,1,1), c(1,-1,-1)</span></div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  line[0] = intersection( vertex[2], vertex[0] );</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  line[1] = intersection( vertex[0], vertex[1] );</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">case</span> 10:</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// g(0,0,0)</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// The CONREC algorithm has no satisfying solution for</span></div>
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|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// what to do, when all vertices are on the plane.</span></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> ( ignoreOnPlane )</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  found = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  line[0] = vertex[2].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  line[1] = vertex[0].<a class="code" href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">toPoint</a>();</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  found = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
|
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
|
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> found;</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> QwtRasterData::ContourPlane::compare( <span class="keywordtype">double</span> z )<span class="keyword"> const</span></div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> ( z > m_z )</div>
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|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> 1;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
|
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> ( z < m_z )</div>
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|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> -1;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">inline</span> QPointF QwtRasterData::ContourPlane::intersection(</div>
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|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_point3_d.html">QwtPoint3D</a>& p1, <span class="keyword">const</span> <a class="code" href="class_qwt_point3_d.html">QwtPoint3D</a>& p2 )<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> h1 = p1.<a class="code" href="class_qwt_point3_d.html#a0741e74f4f553e99e6abbc18aa7d541c">z</a>() - m_z;</div>
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|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> h2 = p2.<a class="code" href="class_qwt_point3_d.html#a0741e74f4f553e99e6abbc18aa7d541c">z</a>() - m_z;</div>
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|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
|
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> x = ( h2 * p1.<a class="code" href="class_qwt_point3_d.html#ac0aeba53b7fb6c297b51b8d123699c1f">x</a>() - h1 * p2.<a class="code" href="class_qwt_point3_d.html#ac0aeba53b7fb6c297b51b8d123699c1f">x</a>() ) / ( h2 - h1 );</div>
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|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y = ( h2 * p1.<a class="code" href="class_qwt_point3_d.html#a2de6393c8dca6befa27098c8e7db552e">y</a>() - h1 * p2.<a class="code" href="class_qwt_point3_d.html#a2de6393c8dca6befa27098c8e7db552e">y</a>() ) / ( h2 - h1 );</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> QPointF( x, y );</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>
|
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">class </span>QwtRasterData::PrivateData</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> {</div>
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|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">public</span>:</div>
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|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="class_qwt_raster_data.html#a6f5308c40f5394e3956cf0c03d75f2c6">QwtRasterData::Attributes</a> attributes;</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> };</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="class_qwt_raster_data.html#a0fc20e05a794c0dc85f6ae5719566588"> 171</a></span> <a class="code" href="class_qwt_raster_data.html#a0fc20e05a794c0dc85f6ae5719566588">QwtRasterData::QwtRasterData</a>()</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> {</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  m_data = <span class="keyword">new</span> PrivateData();</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>  </div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="class_qwt_raster_data.html#a95b24c7cad42c5f7947e64e990def3e8"> 177</a></span> <a class="code" href="class_qwt_raster_data.html#a95b24c7cad42c5f7947e64e990def3e8">QwtRasterData::~QwtRasterData</a>()</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>  <span class="keyword">delete</span> m_data;</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="l00189"></a><span class="lineno"><a class="line" href="class_qwt_raster_data.html#aa4f0f8b9dcdc1f4ceef4429dd132f492"> 189</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_raster_data.html#aa4f0f8b9dcdc1f4ceef4429dd132f492">QwtRasterData::setAttribute</a>( <a class="code" href="class_qwt_raster_data.html#aa9a0ea0f92af158a354421c3651fdfaf">Attribute</a> attribute, <span class="keywordtype">bool</span> on )</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> {</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> ( on )</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  m_data->attributes |= attribute;</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  m_data->attributes &= ~attribute;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="class_qwt_raster_data.html#a0df063cd367b161526429b671b0adebf"> 201</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_raster_data.html#a0df063cd367b161526429b671b0adebf">QwtRasterData::testAttribute</a>( <a class="code" href="class_qwt_raster_data.html#aa9a0ea0f92af158a354421c3651fdfaf">Attribute</a> attribute )<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> m_data->attributes & attribute;</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="class_qwt_raster_data.html#a64f5bf40b6138cc66719a56555c03589"> 221</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_raster_data.html#a64f5bf40b6138cc66719a56555c03589">QwtRasterData::initRaster</a>( <span class="keyword">const</span> QRectF& area, <span class="keyword">const</span> QSize& raster )</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> {</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  Q_UNUSED( area );</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  Q_UNUSED( raster );</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> }</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="class_qwt_raster_data.html#a369a5f525814bf569e01f88fbd8ddb5b"> 237</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_raster_data.html#a369a5f525814bf569e01f88fbd8ddb5b">QwtRasterData::discardRaster</a>()</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> {</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"><a class="line" href="class_qwt_raster_data.html#a0557ff0444301b1c6dd9277d857d7ee7"> 267</a></span> QRectF <a class="code" href="class_qwt_raster_data.html#a0557ff0444301b1c6dd9277d857d7ee7">QwtRasterData::pixelHint</a>( <span class="keyword">const</span> QRectF& area )<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  Q_UNUSED( area );</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</span> QRectF();</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> }</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  </div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"><a class="line" href="class_qwt_raster_data.html#a79e1f7503d18b9f42abc51a0446924f6"> 286</a></span> <a class="code" href="class_q_map.html">QwtRasterData::ContourLines</a> <a class="code" href="class_qwt_raster_data.html#a79e1f7503d18b9f42abc51a0446924f6">QwtRasterData::contourLines</a>(</div>
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|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">const</span> QRectF& rect, <span class="keyword">const</span> QSize& raster,</div>
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|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList< double ></a>& levels, <a class="code" href="class_qwt_raster_data.html#a32c7f179e655dcc2fca1fdb851c1570e">ConrecFlags</a> flags )<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="keyword"></span>{</div>
|
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <a class="code" href="class_q_map.html">ContourLines</a> <a class="code" href="class_qwt_raster_data.html#a79e1f7503d18b9f42abc51a0446924f6">contourLines</a>;</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
|
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> ( levels.size() == 0 || !rect.isValid() || !raster.isValid() )</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_raster_data.html#a79e1f7503d18b9f42abc51a0446924f6">contourLines</a>;</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dx = rect.width() / raster.width();</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> dy = rect.height() / raster.height();</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  </div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> ignoreOnPlane =</div>
|
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  flags & <a class="code" href="class_qwt_raster_data.html#ac0053b66315fde6f0a9a69c40d7c5dccafd2f6337e825201a247408f033713c92">QwtRasterData::IgnoreAllVerticesOnLevel</a>;</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
|
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> range = <a class="code" href="class_qwt_raster_data.html#abe716e1d7ba8b5319c98995cd34c952e">interval</a>( Qt::ZAxis );</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordtype">bool</span> ignoreOutOfRange = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> ( range.<a class="code" href="class_qwt_interval.html#ad742235a737d4d0b12cba1cab2df55f3">isValid</a>() )</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  ignoreOutOfRange = flags & <a class="code" href="class_qwt_raster_data.html#ac0053b66315fde6f0a9a69c40d7c5dcca18e8d1de171dd43cc957c279eb03d32c">IgnoreOutOfRange</a>;</div>
|
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
|
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <a class="code" href="class_qwt_raster_data.html">QwtRasterData</a>* that = <span class="keyword">const_cast<</span> <a class="code" href="class_qwt_raster_data.html">QwtRasterData</a>* <span class="keyword">></span>( this );</div>
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|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  that-><a class="code" href="class_qwt_raster_data.html#a64f5bf40b6138cc66719a56555c03589">initRaster</a>( rect, raster );</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> y = 0; y < raster.height() - 1; y++ )</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  {</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">enum</span> Position</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  {</div>
|
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  Center,</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
|
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  TopLeft,</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  TopRight,</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  BottomRight,</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  BottomLeft,</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  </div>
|
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  NumPositions</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  };</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="class_qwt_point3_d.html">QwtPoint3D</a> xy[NumPositions];</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> x = 0; x < raster.width() - 1; x++ )</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  {</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keyword">const</span> QPointF pos( rect.x() + x * dx, rect.y() + y * dy );</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  </div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">if</span> ( x == 0 )</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  {</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  xy[TopRight].<a class="code" href="class_qwt_point3_d.html#afe85919187fd62bc3db082d1e2b17bac">setX</a>( pos.x() );</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  xy[TopRight].<a class="code" href="class_qwt_point3_d.html#a986ba13d44e6960b4fb72795be4ff66a">setY</a>( pos.y() );</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  xy[TopRight].<a class="code" href="class_qwt_point3_d.html#ae4bed4f5b955843dcf92302b16799e8b">setZ</a>(</div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="class_qwt_raster_data.html#a6396fc013fcec893b1e8cea4cf03691e">value</a>( xy[TopRight].x(), xy[TopRight].y() )</div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  );</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  </div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  xy[BottomRight].<a class="code" href="class_qwt_point3_d.html#afe85919187fd62bc3db082d1e2b17bac">setX</a>( pos.x() );</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  xy[BottomRight].<a class="code" href="class_qwt_point3_d.html#a986ba13d44e6960b4fb72795be4ff66a">setY</a>( pos.y() + dy );</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  xy[BottomRight].<a class="code" href="class_qwt_point3_d.html#ae4bed4f5b955843dcf92302b16799e8b">setZ</a>(</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <a class="code" href="class_qwt_raster_data.html#a6396fc013fcec893b1e8cea4cf03691e">value</a>( xy[BottomRight].x(), xy[BottomRight].y() )</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  );</div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  xy[TopLeft] = xy[TopRight];</div>
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|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  xy[BottomLeft] = xy[BottomRight];</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  </div>
|
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  xy[TopRight].<a class="code" href="class_qwt_point3_d.html#afe85919187fd62bc3db082d1e2b17bac">setX</a>( pos.x() + dx );</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  xy[TopRight].<a class="code" href="class_qwt_point3_d.html#a986ba13d44e6960b4fb72795be4ff66a">setY</a>( pos.y() );</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  xy[BottomRight].<a class="code" href="class_qwt_point3_d.html#afe85919187fd62bc3db082d1e2b17bac">setX</a>( pos.x() + dx );</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  xy[BottomRight].<a class="code" href="class_qwt_point3_d.html#a986ba13d44e6960b4fb72795be4ff66a">setY</a>( pos.y() + dy );</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  </div>
|
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  xy[TopRight].<a class="code" href="class_qwt_point3_d.html#ae4bed4f5b955843dcf92302b16799e8b">setZ</a>(</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <a class="code" href="class_qwt_raster_data.html#a6396fc013fcec893b1e8cea4cf03691e">value</a>( xy[TopRight].x(), xy[TopRight].y() )</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  );</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  xy[BottomRight].<a class="code" href="class_qwt_point3_d.html#ae4bed4f5b955843dcf92302b16799e8b">setZ</a>(</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <a class="code" href="class_qwt_raster_data.html#a6396fc013fcec893b1e8cea4cf03691e">value</a>( xy[BottomRight].x(), xy[BottomRight].y() )</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  );</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordtype">double</span> zMin = xy[TopLeft].<a class="code" href="class_qwt_point3_d.html#a0741e74f4f553e99e6abbc18aa7d541c">z</a>();</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordtype">double</span> zMax = zMin;</div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordtype">double</span> zSum = zMin;</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  </div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = TopRight; i <= BottomLeft; i++ )</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  {</div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> z = xy[i].<a class="code" href="class_qwt_point3_d.html#a0741e74f4f553e99e6abbc18aa7d541c">z</a>();</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  zSum += z;</div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> ( z < zMin )</div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  zMin = z;</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> ( z > zMax )</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  zMax = z;</div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  }</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">if</span> ( qIsNaN( zSum ) )</div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  {</div>
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="comment">// one of the points is NaN</span></div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  }</div>
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  </div>
|
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<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> ( ignoreOutOfRange )</div>
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|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  {</div>
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> ( !range.<a class="code" href="class_qwt_interval.html#ae6a7b6025679010bad8e0a6ade4a2eec">contains</a>( zMin ) || !range.<a class="code" href="class_qwt_interval.html#ae6a7b6025679010bad8e0a6ade4a2eec">contains</a>( zMax ) )</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">continue</span>;</div>
|
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  }</div>
|
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  </div>
|
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">if</span> ( zMax < levels[0] ||</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  zMin > levels[levels.size() - 1] )</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  {</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  }</div>
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|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  </div>
|
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  xy[Center].<a class="code" href="class_qwt_point3_d.html#afe85919187fd62bc3db082d1e2b17bac">setX</a>( pos.x() + 0.5 * dx );</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  xy[Center].<a class="code" href="class_qwt_point3_d.html#a986ba13d44e6960b4fb72795be4ff66a">setY</a>( pos.y() + 0.5 * dy );</div>
|
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  xy[Center].<a class="code" href="class_qwt_point3_d.html#ae4bed4f5b955843dcf92302b16799e8b">setZ</a>( 0.25 * zSum );</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  </div>
|
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> numLevels = levels.size();</div>
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|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> l = 0; l < numLevels; l++ )</div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  {</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> level = levels[l];</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">if</span> ( level < zMin || level > zMax )</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  QPolygonF& lines = <a class="code" href="class_qwt_raster_data.html#a79e1f7503d18b9f42abc51a0446924f6">contourLines</a>[level];</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">const</span> ContourPlane plane( level );</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  </div>
|
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  QPointF line[2];</div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <a class="code" href="class_qwt_point3_d.html">QwtPoint3D</a> vertex[3];</div>
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|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  </div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> m = TopLeft; m < NumPositions; m++ )</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  {</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  vertex[0] = xy[m];</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  vertex[1] = xy[0];</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  vertex[2] = xy[m != BottomLeft ? m + 1 : TopLeft];</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  </div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> intersects =</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  plane.intersect( vertex, line, ignoreOnPlane );</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">if</span> ( intersects )</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  {</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  lines += line[0];</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  lines += line[1];</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  }</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  }</div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  }</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  </div>
|
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  that-><a class="code" href="class_qwt_raster_data.html#a369a5f525814bf569e01f88fbd8ddb5b">discardRaster</a>();</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  </div>
|
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> <a class="code" href="class_qwt_raster_data.html#a79e1f7503d18b9f42abc51a0446924f6">contourLines</a>;</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> }</div>
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<div class="ttc" id="aclass_q_list_html"><div class="ttname"><a href="class_q_list.html">QList< double ></a></div></div>
|
|
<div class="ttc" id="aclass_q_map_html"><div class="ttname"><a href="class_q_map.html">QMap</a></div><div class="ttdef"><b>Definition:</b> <a href="qwt__compass_8h_source.html#l00019">qwt_compass.h:19</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html"><div class="ttname"><a href="class_qwt_interval.html">QwtInterval</a></div><div class="ttdoc">A class representing an interval.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00022">qwt_interval.h:23</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html_ad742235a737d4d0b12cba1cab2df55f3"><div class="ttname"><a href="class_qwt_interval.html#ad742235a737d4d0b12cba1cab2df55f3">QwtInterval::isValid</a></div><div class="ttdeci">bool isValid() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8h_source.html#l00210">qwt_interval.h:210</a></div></div>
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<div class="ttc" id="aclass_qwt_interval_html_ae6a7b6025679010bad8e0a6ade4a2eec"><div class="ttname"><a href="class_qwt_interval.html#ae6a7b6025679010bad8e0a6ade4a2eec">QwtInterval::contains</a></div><div class="ttdeci">bool contains(double value) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__interval_8cpp_source.html#l00067">qwt_interval.cpp:67</a></div></div>
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<div class="ttc" id="aclass_qwt_point3_d_html"><div class="ttname"><a href="class_qwt_point3_d.html">QwtPoint3D</a></div><div class="ttdoc">QwtPoint3D class defines a 3D point in double coordinates.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__3d_8h_source.html#l00022">qwt_point_3d.h:23</a></div></div>
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<div class="ttc" id="aclass_qwt_point3_d_html_a0741e74f4f553e99e6abbc18aa7d541c"><div class="ttname"><a href="class_qwt_point3_d.html#a0741e74f4f553e99e6abbc18aa7d541c">QwtPoint3D::z</a></div><div class="ttdeci">double z() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__3d_8h_source.html#l00115">qwt_point_3d.h:115</a></div></div>
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<div class="ttc" id="aclass_qwt_point3_d_html_a2de6393c8dca6befa27098c8e7db552e"><div class="ttname"><a href="class_qwt_point3_d.html#a2de6393c8dca6befa27098c8e7db552e">QwtPoint3D::y</a></div><div class="ttdeci">double y() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__3d_8h_source.html#l00109">qwt_point_3d.h:109</a></div></div>
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<div class="ttc" id="aclass_qwt_point3_d_html_a986ba13d44e6960b4fb72795be4ff66a"><div class="ttname"><a href="class_qwt_point3_d.html#a986ba13d44e6960b4fb72795be4ff66a">QwtPoint3D::setY</a></div><div class="ttdeci">void setY(double y)</div><div class="ttdoc">Sets the y-coordinate of the point to the value specified by y.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__3d_8h_source.html#l00145">qwt_point_3d.h:145</a></div></div>
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<div class="ttc" id="aclass_qwt_point3_d_html_ac0aeba53b7fb6c297b51b8d123699c1f"><div class="ttname"><a href="class_qwt_point3_d.html#ac0aeba53b7fb6c297b51b8d123699c1f">QwtPoint3D::x</a></div><div class="ttdeci">double x() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__3d_8h_source.html#l00103">qwt_point_3d.h:103</a></div></div>
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<div class="ttc" id="aclass_qwt_point3_d_html_ae4bed4f5b955843dcf92302b16799e8b"><div class="ttname"><a href="class_qwt_point3_d.html#ae4bed4f5b955843dcf92302b16799e8b">QwtPoint3D::setZ</a></div><div class="ttdeci">void setZ(double y)</div><div class="ttdoc">Sets the z-coordinate of the point to the value specified by z.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__3d_8h_source.html#l00151">qwt_point_3d.h:151</a></div></div>
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<div class="ttc" id="aclass_qwt_point3_d_html_afe791f507fa07860314ceefa04974629"><div class="ttname"><a href="class_qwt_point3_d.html#afe791f507fa07860314ceefa04974629">QwtPoint3D::toPoint</a></div><div class="ttdeci">QPointF toPoint() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__3d_8h_source.html#l00159">qwt_point_3d.h:159</a></div></div>
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<div class="ttc" id="aclass_qwt_point3_d_html_afe85919187fd62bc3db082d1e2b17bac"><div class="ttname"><a href="class_qwt_point3_d.html#afe85919187fd62bc3db082d1e2b17bac">QwtPoint3D::setX</a></div><div class="ttdeci">void setX(double x)</div><div class="ttdoc">Sets the x-coordinate of the point to the value specified by x.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__point__3d_8h_source.html#l00139">qwt_point_3d.h:139</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html"><div class="ttname"><a href="class_qwt_raster_data.html">QwtRasterData</a></div><div class="ttdoc">QwtRasterData defines an interface to any type of raster data.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8h_source.html#l00042">qwt_raster_data.h:43</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a0557ff0444301b1c6dd9277d857d7ee7"><div class="ttname"><a href="class_qwt_raster_data.html#a0557ff0444301b1c6dd9277d857d7ee7">QwtRasterData::pixelHint</a></div><div class="ttdeci">virtual QRectF pixelHint(const QRectF &) const</div><div class="ttdoc">Pixel hint.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8cpp_source.html#l00267">qwt_raster_data.cpp:267</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a0df063cd367b161526429b671b0adebf"><div class="ttname"><a href="class_qwt_raster_data.html#a0df063cd367b161526429b671b0adebf">QwtRasterData::testAttribute</a></div><div class="ttdeci">bool testAttribute(Attribute) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8cpp_source.html#l00201">qwt_raster_data.cpp:201</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a0fc20e05a794c0dc85f6ae5719566588"><div class="ttname"><a href="class_qwt_raster_data.html#a0fc20e05a794c0dc85f6ae5719566588">QwtRasterData::QwtRasterData</a></div><div class="ttdeci">QwtRasterData()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8cpp_source.html#l00171">qwt_raster_data.cpp:171</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a32c7f179e655dcc2fca1fdb851c1570e"><div class="ttname"><a href="class_qwt_raster_data.html#a32c7f179e655dcc2fca1fdb851c1570e">QwtRasterData::ConrecFlags</a></div><div class="ttdeci">QFlags< ConrecFlag > ConrecFlags</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8h_source.html#l00086">qwt_raster_data.h:86</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a369a5f525814bf569e01f88fbd8ddb5b"><div class="ttname"><a href="class_qwt_raster_data.html#a369a5f525814bf569e01f88fbd8ddb5b">QwtRasterData::discardRaster</a></div><div class="ttdeci">virtual void discardRaster()</div><div class="ttdoc">Discard a raster.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8cpp_source.html#l00237">qwt_raster_data.cpp:237</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a6396fc013fcec893b1e8cea4cf03691e"><div class="ttname"><a href="class_qwt_raster_data.html#a6396fc013fcec893b1e8cea4cf03691e">QwtRasterData::value</a></div><div class="ttdeci">virtual double value(double x, double y) const =0</div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a64f5bf40b6138cc66719a56555c03589"><div class="ttname"><a href="class_qwt_raster_data.html#a64f5bf40b6138cc66719a56555c03589">QwtRasterData::initRaster</a></div><div class="ttdeci">virtual void initRaster(const QRectF &, const QSize &raster)</div><div class="ttdoc">Initialize a raster.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8cpp_source.html#l00221">qwt_raster_data.cpp:221</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a6f5308c40f5394e3956cf0c03d75f2c6"><div class="ttname"><a href="class_qwt_raster_data.html#a6f5308c40f5394e3956cf0c03d75f2c6">QwtRasterData::Attributes</a></div><div class="ttdeci">QFlags< Attribute > Attributes</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8h_source.html#l00074">qwt_raster_data.h:74</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a79e1f7503d18b9f42abc51a0446924f6"><div class="ttname"><a href="class_qwt_raster_data.html#a79e1f7503d18b9f42abc51a0446924f6">QwtRasterData::contourLines</a></div><div class="ttdeci">virtual ContourLines contourLines(const QRectF &rect, const QSize &raster, const QList< double > &levels, ConrecFlags) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8cpp_source.html#l00286">qwt_raster_data.cpp:286</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_a95b24c7cad42c5f7947e64e990def3e8"><div class="ttname"><a href="class_qwt_raster_data.html#a95b24c7cad42c5f7947e64e990def3e8">QwtRasterData::~QwtRasterData</a></div><div class="ttdeci">virtual ~QwtRasterData()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8cpp_source.html#l00177">qwt_raster_data.cpp:177</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_aa4f0f8b9dcdc1f4ceef4429dd132f492"><div class="ttname"><a href="class_qwt_raster_data.html#aa4f0f8b9dcdc1f4ceef4429dd132f492">QwtRasterData::setAttribute</a></div><div class="ttdeci">void setAttribute(Attribute, bool on=true)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8cpp_source.html#l00189">qwt_raster_data.cpp:189</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_aa9a0ea0f92af158a354421c3651fdfaf"><div class="ttname"><a href="class_qwt_raster_data.html#aa9a0ea0f92af158a354421c3651fdfaf">QwtRasterData::Attribute</a></div><div class="ttdeci">Attribute</div><div class="ttdoc">Raster data attributes.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8h_source.html#l00054">qwt_raster_data.h:55</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_abe716e1d7ba8b5319c98995cd34c952e"><div class="ttname"><a href="class_qwt_raster_data.html#abe716e1d7ba8b5319c98995cd34c952e">QwtRasterData::interval</a></div><div class="ttdeci">virtual QwtInterval interval(Qt::Axis) const =0</div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_ac0053b66315fde6f0a9a69c40d7c5dcca18e8d1de171dd43cc957c279eb03d32c"><div class="ttname"><a href="class_qwt_raster_data.html#ac0053b66315fde6f0a9a69c40d7c5dcca18e8d1de171dd43cc957c279eb03d32c">QwtRasterData::IgnoreOutOfRange</a></div><div class="ttdeci">@ IgnoreOutOfRange</div><div class="ttdoc">Ignore all values, that are out of range.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8h_source.html#l00084">qwt_raster_data.h:83</a></div></div>
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<div class="ttc" id="aclass_qwt_raster_data_html_ac0053b66315fde6f0a9a69c40d7c5dccafd2f6337e825201a247408f033713c92"><div class="ttname"><a href="class_qwt_raster_data.html#ac0053b66315fde6f0a9a69c40d7c5dccafd2f6337e825201a247408f033713c92">QwtRasterData::IgnoreAllVerticesOnLevel</a></div><div class="ttdeci">@ IgnoreAllVerticesOnLevel</div><div class="ttdoc">Ignore all vertices on the same level.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__raster__data_8h_source.html#l00080">qwt_raster_data.h:80</a></div></div>
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