1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>GeographicTranslator: C:/master/geotrans3.7/CCS/src/dtcc/egm2008_geoid_grid.h Source File</title>
<b><p style="text-align:center;color:green;font-size:20px">UNCLASSIFIED</p></b>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">GeographicTranslator
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.2 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Macros</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_edf3df7db5b0053f7cba67b155deccfc.html">master</a></li><li class="navelem"><a class="el" href="dir_8b3490cac915c107683d68df3d9c98a6.html">geotrans3.7</a></li><li class="navelem"><a class="el" href="dir_d0951f0e396e7f3ab5db438f6b9f5363.html">CCS</a></li><li class="navelem"><a class="el" href="dir_3b11bca187df89c3daa83d17707827d4.html">src</a></li><li class="navelem"><a class="el" href="dir_ce1728a50ed0f8e5fbefa80fc2874faa.html">dtcc</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">egm2008_geoid_grid.h</div> </div>
</div><!--header-->
<div class="contents">
<a href="egm2008__geoid__grid_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_geoid_grid.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">// //</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// Utility software that interpolates EGM 2008 //</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// geoid heights from one of NGA's geoid height grids. //</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// //</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// This base class supports two geoid height interpolators: //</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">// 1) the first one reads the entire worldwide EGM2008 grid //</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// before interpolating any geoid heights from the worldwide grid; //</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// 2) the second one does not read geoid height data from //</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// file until a user requests that a geoid height be computed; //</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// the 2nd interpolator then reads an Area of Interest //</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// (AOI) grid from file before interpolating from the AOI grid; //</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// the Area of Interest grid is refreshed, if needed, //</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// when users submit subsequent geoid height requests. //</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">// Revision History: //</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// Date Name Description //</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// ----------- ------------ ----------------------------------------------//</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// 19 Nov 2010 RD Craig Release //</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// 11 Feg 2011 RD Craig Upgrades following code review //</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// 30 May 2013 RD Craig MSP 1.3: ER29758 //</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Added second constructor to //</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// permit multiple geoid-height grids //</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// when assessing relative interpolation errors. //</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// //</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#ifndef EGM2008_GEOID_GRID_H</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="preprocessor">#define EGM2008_GEOID_GRID_H</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// This file declares a base C++ class</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// that supports geoid height interpolation</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// from one of NGA's EGM 2008 geoid height files. </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="comment">// EGM2008_GEOID_GRID IS A PURE VIRTUAL CLASS.</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"> 45</span> <span class="comment">// Note: Following common usage, this class uses the term </span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// "geoid height" to mean heights of the geoid above or</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// below the earth ellipsoid. The GeoidLibrary class confuses</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// the term "geoid height" with height of a point above or below</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// the geoid: these heights are properly called "orthometric heights".</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="_c_c_s_thread_mutex_8h.html">CCSThreadMutex.h</a>"</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">namespace </span>MSP</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"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html"> 58</a></span>  <span class="keyword">class </span><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html">Egm2008GeoidGrid</a> {</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="keyword">protected</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>  <span class="comment">// MAX_WSIZE: The maximum number of rows and</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// columns in a local interpolation window.</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a41455eb2451be53f9e96976b01a93d31"> 65</a></span>  <span class="keywordtype">int</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a41455eb2451be53f9e96976b01a93d31">MAX_WSIZE</a>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// gridFname: A string containing</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// the file name for one of</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// NGA's reformatted geoid height grids.</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ad88b9ca76db17ad92ac9a8b93015d415"> 71</a></span>  std::string <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ad88b9ca76db17ad92ac9a8b93015d415">_gridFname</a>;</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">// nGridPad: The number of grid cells added to </span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// the left, right, top, and bottom sides </span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// of the worldwide EGM2008 geoid height grid;</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// interpolation window size is related to _nGridPad;</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// an ExE grid, where E is an even number, requires at</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// least _nGridPad = int( E - 2 ) / 2 ) rows/cols of pad;</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// an OxO grid, where O is an odd number, requires at</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// least _nGridPad = int( O / 2 ) rows/cols of pad on each edge.</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"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a819a4f7158e690c7b9bd1d954f31bb41"> 82</a></span>  <span class="keywordtype">int</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a819a4f7158e690c7b9bd1d954f31bb41">_nGridPad</a>;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// nGridRows: The number of latitude rows contained in</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// the padded, memory-resident world-wide grid.</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"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a2286085cfe409a3d1d0124b32aea5ad0"> 87</a></span>  <span class="keywordtype">int</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a2286085cfe409a3d1d0124b32aea5ad0">_nGridRows</a>;</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">// nGridCols: The number of longitude entries per</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// row in the padded, memory-resident grid.</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ab922a0a4cd247d0eb260d73e566152b4"> 92</a></span>  <span class="keywordtype">int</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ab922a0a4cd247d0eb260d73e566152b4">_nGridCols</a>;</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="comment">// nOrigRows: The number of latitude rows </span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// contained in the world-wide grid file.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a90a671a7b5bb7bc81792875f08b9af6a"> 97</a></span>  <span class="keywordtype">int</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a90a671a7b5bb7bc81792875f08b9af6a">_nOrigRows</a>;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// nOrigCols: The number of longitude entries per</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// latitude row in the world-wide grid file.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a name="l00102"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#aed72b3036e11da52182a8f338d5a372d"> 102</a></span>  <span class="keywordtype">int</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#aed72b3036e11da52182a8f338d5a372d">_nOrigCols</a>;</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">// baseLatitude: The padded grid's base latitude </span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// (radians); baseLatitude will be less than</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// -PI/2 radians for the world-wide EGM 2008 grid.</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"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a7ac9a8fbfd6905df0c8bf03ed8f769ff"> 108</a></span>  <span class="keywordtype">double</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a7ac9a8fbfd6905df0c8bf03ed8f769ff">_baseLatitude</a>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// baseLongitude: The padded grid's base longitude</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// (radians); baseLongitude will be less than</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// zero radians for the world-wide EGM 2008 grid.</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#aee81cc3285e187585460b4184474b934"> 114</a></span>  <span class="keywordtype">double</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#aee81cc3285e187585460b4184474b934">_baseLongitude</a>;</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>  <span class="comment">// dLat: Grid's latitude spacing (radians).</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ae4610b8cb5c6943b093d6d8c869d74b0"> 118</a></span>  <span class="keywordtype">double</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ae4610b8cb5c6943b093d6d8c869d74b0">_dLat</a>;</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">// dLon: Grid's longitude spacing (radians).</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ac9316fa466f6a953115c4bbb839f7718"> 122</a></span>  <span class="keywordtype">double</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ac9316fa466f6a953115c4bbb839f7718">_dLon</a>;</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">// mutex: A CCSThreadMutex object used to ensure thread safety.</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a536750d04da7d4d06398ec6725bc1c1d"> 126</a></span>  <a class="code" href="class_m_s_p_1_1_c_c_s_thread_mutex.html">MSP::CCSThreadMutex</a> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a536750d04da7d4d06398ec6725bc1c1d">_mutex</a>;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// Basic functions .....</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#af150617c1fe4a311d1af800eb50a11ca">Egm2008GeoidGrid</a>( <span class="keywordtype">void</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>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#af150617c1fe4a311d1af800eb50a11ca">Egm2008GeoidGrid</a>( <span class="keyword">const</span> std::string &gridFname ); <span class="comment">// new 5/30/2013</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"> 136</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#af150617c1fe4a311d1af800eb50a11ca">Egm2008GeoidGrid</a>( <span class="keyword">const</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html">Egm2008GeoidGrid</a>& oldGrid );</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">virtual</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a3896dcc55ae652944f347660dac57354">~Egm2008GeoidGrid</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html">Egm2008GeoidGrid</a>&</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#af48845ce19fa0f8ff59ce426e0dae35f">operator = </a>( <span class="keyword">const</span> <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html">Egm2008GeoidGrid</a>& oldGrid );</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// User functions .....</span></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="comment">/*</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * Public function geoidHeight implements</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * a bicubic spline geoid separation interpolator.</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * wSize : Number of rows (= # columns) ( input )</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * in the local interpolation window;</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * the function supports 2 <= wSize <= 20,</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * but EGM 2008 interpolations use wSize = 6.</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> * latitude : Geodetic latitude ( input - radians )</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> * longitude : Geodetic longitude ( input - radians )</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> * gHeight : Geoid height ( output - meters )</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> * return value : The function's error flag;</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * errors = 0 ..... no errors encountered,</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> * errors = 1 ..... at least one error encountered.</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> */</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>  <span class="keyword">virtual</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a396ab428d18d5f2faad8afd248872b7d">geoidHeight</a>(</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">int</span> wSize, <span class="comment">// input</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">double</span> latitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordtype">double</span> longitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">double</span>& gHeight ) = 0; <span class="comment">// output</span></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="keyword">protected</span>:</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>  <span class="comment">/*</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * Protected function geoidHeight </span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * implements a bilinear geoid separation interpolator.</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> * Exercise this function when the requested interpolation</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> * window size is too small to support bicubic spline interpolation.</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> * latitude : Geodetic latitude ( input - radians )</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * longitude : Geodetic longitude ( input - radians )</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> * gHeight : Geoid height ( output - meters )</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * return value : The function's error flag;</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> * errors = 0 ..... no errors encountered,</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * errors = 1 ..... at least one error encountered.</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a396ab428d18d5f2faad8afd248872b7d">geoidHeight</a>(</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">double</span> latitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">double</span> longitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">double</span>& gHeight ) = 0; <span class="comment">// output</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> * Protected function loadGridCoords finds</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> * horizontal coordinates corresponding to</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> * grid row and column indices. The indices must</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> * be referenced to the worldwide geoid height grid.</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> * i : An index to a worldwide grid ( input )</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> * intersection's row of interest.</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> * j : An index to a worldwide grid ( input )</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> * intersection's column of interest.</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * latitude : Geodetic latitude ( output - radians )</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> * longitude : Geodetic longitude ( output - radians )</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> * return value : The function's error flag;</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> * errors = 0 ..... no errors encountered,</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> * errors = 1 ..... at least one error encountered.</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">int</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ac1995352678dc366e056f8b346f76475">loadGridCoords</a>(</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">int</span> i, <span class="comment">// input</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">int</span> j, <span class="comment">// input</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordtype">double</span>& latitude, <span class="comment">// output</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordtype">double</span>& longitude ); <span class="comment">// output</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> * Protected function initSpline computes the</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> * geoid separation posts' 2nd derivatives. This </span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> * function assumes the posts are arranged in a row, </span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> * it assumes the posts are equally spaced, and it also </span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> * assumes the spline's 2nd derivatives are zero at the endpoints.</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> * The computed 2nd derivatives support the 1D spline interpolator.</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> * n : Number of geoid height posts for ( input )</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> * which 2nd derivatives are computed.</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> * posts[] : An array containing ( input )</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * geoid height posts' ordinates.</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> * moments[] : An array containing geoid</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> * height posts' 2nd derivatives. ( output )</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> * return value : The function's error flag;</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> * errors = 0 ..... no errors encountered,</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> * errors = 1 ..... at least one error encountered.</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> */</span></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>  <span class="keywordtype">int</span> </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ab53263887ad075a952f68dda1416cdc5">initSpline</a>(</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">int</span> n, <span class="comment">// input</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> posts[], <span class="comment">// input</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordtype">double</span> moments[] ); <span class="comment">// output</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * Protected function spline implements a</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> * low-level one-dimensional spline interpolator.</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * n : Number of geoid height posts for ( input )</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * which 2nd derivatives are computed.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * x : Abscissa at which ( input )</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * interpolation is to occur;</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * x is measured in grid intervals,</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> * and it is measured relative to the</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> * first geoid separation post's position.</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> * posts[] : An array containing ( input )</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * geoid separation posts' ordinates.</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * moments[] : An array containing geoid</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * separation posts' 2nd derivatives.( input )</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> * return value : The interpolated geoid height ( meters ).</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">double</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ad81b4e894ccf08ceddb246abe9635cd9">spline</a>(</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordtype">int</span> n, <span class="comment">// input</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">double</span> x, <span class="comment">// input</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> posts[], <span class="comment">// input</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> moments[] ); <span class="comment">// input</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> * Protected function swapBytes swaps </span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> * bytes when transforming binary numbers </span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> * between BIG-ENDIAN and LITTLE-ENDIAN formats.</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> * buffer : Pointer to binary data item(s) ( input & output )</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> * size : Size of each binary number ( input - bytes )</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * count : Number of binary numbers ( input )</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordtype">void</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#a3ec51d3d35bfcc64a071299404d3d77d">swapBytes</a>(</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">void</span>* buffer, <span class="comment">// input & output</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordtype">size_t</span> size, <span class="comment">// input</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordtype">size_t</span> count ); <span class="comment">// input</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> * Protected function swGridIndices computes</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> * grid row & column indices for the intersection</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * immediately to the SOUTHWEST of the input point.</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> * The indices refer to the worldwide geoid height grid.</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> * latitude : Geodetic latitude ( input - radians )</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> * longitude : Geodetic longitude ( input - radians )</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> * i : Row number for the ( output )</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> * worldwide grid intersection </span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> * Southwest of the point of interest.</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> * j : Column number for the ( output )</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * worldwide grid intersection </span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> * Southwest of the point of interest.</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> * return value : The function's error flag;</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * errors = 0 ..... no errors encountered,</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * errors = 1 ..... at least one error encountered.</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordtype">int</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="class_m_s_p_1_1_egm2008_geoid_grid.html#ad4fdc86705a179966de58b823da84126">swGridIndices</a>(</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordtype">double</span> latitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordtype">double</span> longitude, <span class="comment">// input</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordtype">int</span>& i, <span class="comment">// output</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordtype">int</span>& j ); <span class="comment">// output</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }; <span class="comment">// End of Egm2008GeoidGrid class declaration</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> } <span class="comment">// End of namespace block</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment">// CLASSIFICATION: UNCLASSIFIED</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Tue Feb 16 2016 14:54:02 for GeographicTranslator by doxygen 1.8.2
</small></address>
</body>
</html>
|
