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<div class="title">egm2008_full_grid_package.h</div> </div>
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<a href="egm2008__full__grid__package_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// CLASSIFICATION: UNCLASSIFIED</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</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> <span class="comment">// File name: egm2008_full_grid_package.h //</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// //</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Description of this module: //</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Utility software that interpolates EGM 2008 //</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// geoid heights from one of NGA's geoid height grids. //</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// //</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// This interpolator loads the worldwide EGM 2008 grid upon //</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// instantiation, and it interpolates from the worldwide grid. //</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// //</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// This interpolator gives exactly the same results as //</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// the companion egm2008_aoi_grid_package's interpolator. //</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// However, this interpolator is faster when //</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// users are requesting tens of thousands of geoid //</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// heights at widely dispersed horizontal locations. //</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// //</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// Revision History: //</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// Date Name Description //</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// ----------- ------------ ----------------------------------------------//</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// 19 Nov 2010 RD Craig Release //</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// 11 Feg 2011 RD Craig Upgrades following code review //</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// 30 May 2013 RD Craig MSP 1.3: ER29758 //</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Added second constructor to //</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// permit multiple geoid-height grids //</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// when assessing relative interpolation errors. //</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// //</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#ifndef EGM2008_FULL_GRID_PACKAGE_H</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#define EGM2008_FULL_GRID_PACKAGE_H</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// This file declares a C++ class</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// that interpolates EGM 2008 geoid heights from a</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// reformatted version of NGA's geoid-height grid.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// THIS DERIVED CLASS IMPLEMENTS COMPUTATIONAL</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// DETAILS SPECIFIC TO THE EGM 2008 FULL-GRID ALGORITHM.</span></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> <span class="preprocessor">#include "<a class="code" href="_dtcc_api_8h.html">DtccApi.h</a>"</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include "<a class="code" href="egm2008__geoid__grid_8h.html">egm2008_geoid_grid.h</a>"</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span>MSP</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html"> 48</a></span>  <span class="keyword">class </span><a class="code" href="_dtcc_api_8h.html#a5995458476ac88a055b3f40b0238f2ae">MSP_DTCC_API</a> <a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html">Egm2008FullGrid</a> : <span class="keyword">public</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html">Egm2008GeoidGrid</a> {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// heightGrid: A pointer to a</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// one-dimensional array containing</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// the reformatted geoid-height grid.</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html#a5ceda027c9b9d5c7176802a413422d1b"> 56</a></span>  <span class="keywordtype">float</span>* <a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html#a5ceda027c9b9d5c7176802a413422d1b">_heightGrid</a>;</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="keyword">public</span>:</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>  <span class="comment">// Basic functions .....</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html">Egm2008FullGrid</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html">Egm2008FullGrid</a>( <span class="keyword">const</span> std::string &gridFname ); <span class="comment">// new 5/30/2013</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html">Egm2008FullGrid</a>( <span class="keyword">const</span> <a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html">Egm2008FullGrid</a>& oldGrid );</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  ~<a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html">Egm2008FullGrid</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html">Egm2008FullGrid</a>&</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  operator = ( <span class="keyword">const</span> <a class="code" href="class_m_s_p_1_1_egm2008_full_grid.html">Egm2008FullGrid</a>& oldGrid );</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">// User functions .....</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// geoidHeight: A function that interpolates</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// local geoid height (meters) from</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// a reformatted geoid height grid;</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// it uses bi-cubic spline interpolation.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  geoidHeight(</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">int</span> wSize, <span class="comment">// input</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">double</span> latitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">double</span> longitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">double</span>& gHeight ); <span class="comment">// output</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// geoidHeight: A function that interpolates</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// local geoid height (meters) from</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// a reformatted geoid height grid;</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// it uses bilinear interpolation.</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  geoidHeight(</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">double</span> latitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">double</span> longitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">double</span>& gHeight ); <span class="comment">// output</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// loadGrid: A function that </span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// retrieves a reformatted</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// EGM 2008 worldwide geoid height grid.</span></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="keywordtype">int</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  loadGrid( <span class="keywordtype">void</span> );</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>  }; <span class="comment">// End of Egm2008FullGrid class declaration</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="comment">// End of namespace block</span></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="preprocessor">#endif</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// CLASSIFICATION: UNCLASSIFIED</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
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