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<h1>UTMUPS.cpp</h1> </div>
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<a href="UTMUPS_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**</span>
<a name="l00002"></a>00002 <span class="comment"> * \file UTMUPS.cpp</span>
<a name="l00003"></a>00003 <span class="comment"> * \brief Implementation for GeographicLib::UTMUPS class</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (c) Charles Karney (2008, 2009, 2010) <charles@karney.com></span>
<a name="l00006"></a>00006 <span class="comment"> * and licensed under the LGPL. For more information, see</span>
<a name="l00007"></a>00007 <span class="comment"> * http://geographiclib.sourceforge.net/</span>
<a name="l00008"></a>00008 <span class="comment"> **********************************************************************/</span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#include "<a class="code" href="UTMUPS_8hpp.html" title="Header for GeographicLib::UTMUPS class.">GeographicLib/UTMUPS.hpp</a>"</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include "<a class="code" href="MGRS_8hpp.html" title="Header for GeographicLib::MGRS class.">GeographicLib/MGRS.hpp</a>"</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include "<a class="code" href="PolarStereographic_8hpp.html" title="Header for GeographicLib::PolarStereographic class.">GeographicLib/PolarStereographic.hpp</a>"</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "<a class="code" href="TransverseMercator_8hpp.html" title="Header for GeographicLib::TransverseMercator class.">GeographicLib/TransverseMercator.hpp</a>"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <iomanip></span>
<a name="l00015"></a>00015
<a name="l00016"></a><a class="code" href="UTMUPS_8cpp.html#af7026e1ac5bb37428765d957f2f14a6b">00016</a> <span class="preprocessor">#define GEOGRAPHICLIB_UTMUPS_CPP "$Id: UTMUPS.cpp 6918 2010-12-21 12:56:07Z karney $"</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span>
<a name="l00018"></a>00018 <a class="code" href="Constants_8hpp.html#af90fa899707a2ac513d5e4c76853bbf5">RCSID_DECL</a>(<a class="code" href="UTMUPS_8cpp.html#af7026e1ac5bb37428765d957f2f14a6b">GEOGRAPHICLIB_UTMUPS_CPP</a>)
<a name="l00019"></a>00019 <a class="code" href="Constants_8hpp.html#af90fa899707a2ac513d5e4c76853bbf5">RCSID_DECL</a>(<a class="code" href="UTMUPS_8hpp.html#aab4dce5d203c0d98ae740800332ed9d9">GEOGRAPHICLIB_UTMUPS_HPP</a>)
<a name="l00020"></a>00020
<a name="l00021"></a>00021 namespace GeographicLib {
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="keyword">using namespace </span>std;
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="keyword">const</span> <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">Math::real</a> UTMUPS::falseeasting[4] =
<a name="l00026"></a>00026 { MGRS::upseasting * MGRS::tile, MGRS::upseasting * MGRS::tile,
<a name="l00027"></a>00027 MGRS::utmeasting * MGRS::tile, MGRS::utmeasting* MGRS::tile };
<a name="l00028"></a>00028 <span class="keyword">const</span> <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">Math::real</a> UTMUPS::falsenorthing[4] =
<a name="l00029"></a>00029 { MGRS::upseasting * MGRS::tile, MGRS::upseasting * MGRS::tile,
<a name="l00030"></a>00030 MGRS::maxutmSrow * MGRS::tile, MGRS::minutmNrow * MGRS::tile };
<a name="l00031"></a>00031 <span class="keyword">const</span> <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">Math::real</a> UTMUPS::mineasting[4] =
<a name="l00032"></a>00032 { MGRS::minupsSind * MGRS::tile, MGRS::minupsNind * MGRS::tile,
<a name="l00033"></a>00033 MGRS::minutmcol * MGRS::tile, MGRS::minutmcol * MGRS::tile };
<a name="l00034"></a>00034 <span class="keyword">const</span> <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">Math::real</a> UTMUPS::maxeasting[4] =
<a name="l00035"></a>00035 { MGRS::maxupsSind * MGRS::tile, MGRS::maxupsNind * MGRS::tile,
<a name="l00036"></a>00036 MGRS::maxutmcol * MGRS::tile, MGRS::maxutmcol * MGRS::tile };
<a name="l00037"></a>00037 <span class="keyword">const</span> <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">Math::real</a> UTMUPS::minnorthing[4] =
<a name="l00038"></a>00038 { MGRS::minupsSind * MGRS::tile, MGRS::minupsNind * MGRS::tile,
<a name="l00039"></a>00039 MGRS::minutmSrow * MGRS::tile,
<a name="l00040"></a>00040 (MGRS::minutmNrow + MGRS::minutmSrow - MGRS::maxutmSrow) * MGRS::tile };
<a name="l00041"></a>00041 <span class="keyword">const</span> <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">Math::real</a> UTMUPS::maxnorthing[4] =
<a name="l00042"></a>00042 { MGRS::maxupsSind * MGRS::tile, MGRS::maxupsNind * MGRS::tile,
<a name="l00043"></a>00043 (MGRS::maxutmSrow + MGRS::maxutmNrow - MGRS::minutmNrow) * MGRS::tile,
<a name="l00044"></a>00044 MGRS::maxutmNrow * MGRS::tile };
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="classGeographicLib_1_1UTMUPS.html#a62623c295d1b43318a9fa762c3da94ea">00046</a> <span class="keywordtype">int</span> UTMUPS::StandardZone(real lat, real lon, <span class="keywordtype">int</span> setzone) {
<a name="l00047"></a>00047 <span class="keywordflow">if</span> (setzone < MINPSEUDOZONE || setzone > <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7a12dabceb6da15aa0fc94b9406aca921a">MAXZONE</a>)
<a name="l00048"></a>00048 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Illegal zone requested "</span> + str(setzone));
<a name="l00049"></a>00049 <span class="keywordflow">if</span> (setzone >= <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7af91adc987ae7295bfb6d3786b23c58e1">MINZONE</a> || setzone == <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7aeb6750fb82edce6e5b58178a38ee8bd0">INVALID</a>)
<a name="l00050"></a>00050 <span class="keywordflow">return</span> setzone;
<a name="l00051"></a>00051 <span class="keywordflow">if</span> (<a class="code" href="classGeographicLib_1_1Math.html#aa63d7a640d1126e47af65f782dd40bca">Math::isnan</a>(lat) || <a class="code" href="classGeographicLib_1_1Math.html#aa63d7a640d1126e47af65f782dd40bca">Math::isnan</a>(lon)) <span class="comment">// Check if lat or lon is a NaN</span>
<a name="l00052"></a>00052 <span class="keywordflow">return</span> INVALID;
<a name="l00053"></a>00053 <span class="comment">// Assume lon is in [-180, 360].</span>
<a name="l00054"></a>00054 <span class="keywordflow">if</span> (setzone == <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7aacc8f89ac6144b1e445ca21cbe9a2533">UTM</a> || (lat >= -80 && lat < 84)) {
<a name="l00055"></a>00055 <span class="comment">// Assume lon is in [-180, 360].</span>
<a name="l00056"></a>00056 <span class="keywordtype">int</span> ilon = int(floor(lon));
<a name="l00057"></a>00057 <span class="keywordflow">if</span> (ilon >= 180)
<a name="l00058"></a>00058 ilon -= 360;
<a name="l00059"></a>00059 <span class="keywordtype">int</span> zone = (ilon + 186)/6;
<a name="l00060"></a>00060 <span class="keywordtype">int</span> band = MGRS::LatitudeBand(lat);
<a name="l00061"></a>00061 <span class="keywordflow">if</span> (band == 7 && zone == 31 && ilon >= 3)
<a name="l00062"></a>00062 zone = 32;
<a name="l00063"></a>00063 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (band == 9 && ilon >= 0 && ilon < 42)
<a name="l00064"></a>00064 zone = 2 * ((ilon + 183)/12) + 1;
<a name="l00065"></a>00065 <span class="keywordflow">return</span> zone;
<a name="l00066"></a>00066 } <span class="keywordflow">else</span>
<a name="l00067"></a>00067 <span class="keywordflow">return</span> UPS;
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069
<a name="l00070"></a><a class="code" href="classGeographicLib_1_1UTMUPS.html#a921d6c23e728e0b17651902d43fb56e8">00070</a> <span class="keywordtype">void</span> <a class="code" href="classGeographicLib_1_1UTMUPS.html#a921d6c23e728e0b17651902d43fb56e8">UTMUPS::Forward</a>(real lat, real lon,
<a name="l00071"></a>00071 <span class="keywordtype">int</span>& zone, <span class="keywordtype">bool</span>& northp, real& x, real& y,
<a name="l00072"></a>00072 real& gamma, real& k,
<a name="l00073"></a>00073 <span class="keywordtype">int</span> setzone, <span class="keywordtype">bool</span> mgrslimits) {
<a name="l00074"></a>00074 CheckLatLon(lat, lon);
<a name="l00075"></a>00075 <span class="keywordtype">bool</span> northp1 = lat >= 0;
<a name="l00076"></a>00076 <span class="keywordtype">int</span> zone1 = <a class="code" href="classGeographicLib_1_1UTMUPS.html#a62623c295d1b43318a9fa762c3da94ea">StandardZone</a>(lat, lon, setzone);
<a name="l00077"></a>00077 <span class="keywordflow">if</span> (zone1 == <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7aeb6750fb82edce6e5b58178a38ee8bd0">INVALID</a>) {
<a name="l00078"></a>00078 zone = zone1;
<a name="l00079"></a>00079 northp = northp1;
<a name="l00080"></a>00080 x = y = gamma = k = <a class="code" href="classGeographicLib_1_1Math.html#a77c57c61f93d7ac3f6a5095489c36715">Math::NaN</a>();
<a name="l00081"></a>00081 <span class="keywordflow">return</span>;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 real x1, y1, gamma1, k1;
<a name="l00084"></a>00084 <span class="keywordtype">bool</span> utmp = zone1 != UPS;
<a name="l00085"></a>00085 <span class="keywordflow">if</span> (utmp) {
<a name="l00086"></a>00086 real
<a name="l00087"></a>00087 lon0 = CentralMeridian(zone1),
<a name="l00088"></a>00088 dlon = lon - lon0;
<a name="l00089"></a>00089 dlon = abs(dlon - 360 * floor((dlon + 180)/360));
<a name="l00090"></a>00090 <span class="keywordflow">if</span> (dlon > 60)
<a name="l00091"></a>00091 <span class="comment">// Check isn't really necessary because CheckCoords catches this case.</span>
<a name="l00092"></a>00092 <span class="comment">// But this allows a more meaningful error message to be given.</span>
<a name="l00093"></a>00093 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Longitude "</span> + str(lon)
<a name="l00094"></a>00094 + <span class="stringliteral">"d more than 60d from center of UTM zone "</span>
<a name="l00095"></a>00095 + str(zone1));
<a name="l00096"></a>00096 <a class="code" href="classGeographicLib_1_1TransverseMercator.html#aa25b52e35bc54c368e6c8b17e02b0542">TransverseMercator::UTM</a>.<a class="code" href="classGeographicLib_1_1TransverseMercator.html#a07d73a6d94e2434cbb937978d61a5ae7">Forward</a>(lon0, lat, lon, x1, y1, gamma1, k1);
<a name="l00097"></a>00097 } <span class="keywordflow">else</span> {
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (abs(lat) < 70)
<a name="l00099"></a>00099 <span class="comment">// Check isn't really necessary ... (see above).</span>
<a name="l00100"></a>00100 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Latitude "</span> + str(lat) + <span class="stringliteral">"d more than 20d from "</span>
<a name="l00101"></a>00101 + (northp1 ? <span class="stringliteral">"N"</span> : <span class="stringliteral">"S"</span>) + <span class="stringliteral">" pole"</span>);
<a name="l00102"></a>00102 <a class="code" href="classGeographicLib_1_1PolarStereographic.html#a2db6bcb1b59a6ddc6087ee04c64c9825">PolarStereographic::UPS</a>.<a class="code" href="classGeographicLib_1_1PolarStereographic.html#a30ef1a1f906ee389e2a5f7e5fd7d8fa4">Forward</a>(northp1, lat, lon, x1, y1, gamma1, k1);
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 <span class="keywordtype">int</span> ind = (utmp ? 2 : 0) + (northp1 ? 1 : 0);
<a name="l00105"></a>00105 x1 += falseeasting[ind];
<a name="l00106"></a>00106 y1 += falsenorthing[ind];
<a name="l00107"></a>00107 <span class="keywordflow">if</span> (! CheckCoords(zone1 != <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7a40256f9ab9f277957f8ab697bcd2fd42">UPS</a>, northp1, x1, y1, mgrslimits, <span class="keyword">false</span>) )
<a name="l00108"></a>00108 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Latitude "</span> + str(lat) + <span class="stringliteral">", longitude "</span> + str(lon)
<a name="l00109"></a>00109 + <span class="stringliteral">" out of legal range for "</span>
<a name="l00110"></a>00110 + (utmp ? <span class="stringliteral">"UTM zone "</span> + str(zone1) : <span class="stringliteral">"UPS"</span>));
<a name="l00111"></a>00111 zone = zone1;
<a name="l00112"></a>00112 northp = northp1;
<a name="l00113"></a>00113 x = x1;
<a name="l00114"></a>00114 y = y1;
<a name="l00115"></a>00115 gamma = gamma1;
<a name="l00116"></a>00116 k = k1;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a><a class="code" href="classGeographicLib_1_1UTMUPS.html#aaf417ae6bed6da324aa03fc96ee0dda4">00119</a> <span class="keywordtype">void</span> <a class="code" href="classGeographicLib_1_1UTMUPS.html#aaf417ae6bed6da324aa03fc96ee0dda4">UTMUPS::Reverse</a>(<span class="keywordtype">int</span> zone, <span class="keywordtype">bool</span> northp, real x, real y,
<a name="l00120"></a>00120 real& lat, real& lon, real& gamma, real& k,
<a name="l00121"></a>00121 <span class="keywordtype">bool</span> mgrslimits) {
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (zone == <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7aeb6750fb82edce6e5b58178a38ee8bd0">INVALID</a> || <a class="code" href="classGeographicLib_1_1Math.html#aa63d7a640d1126e47af65f782dd40bca">Math::isnan</a>(x) || <a class="code" href="classGeographicLib_1_1Math.html#aa63d7a640d1126e47af65f782dd40bca">Math::isnan</a>(y)) {
<a name="l00123"></a>00123 lat = lon = gamma = k = <a class="code" href="classGeographicLib_1_1Math.html#a77c57c61f93d7ac3f6a5095489c36715">Math::NaN</a>();
<a name="l00124"></a>00124 <span class="keywordflow">return</span>;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (! (zone >= <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7af91adc987ae7295bfb6d3786b23c58e1">MINZONE</a> && zone <= <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7a12dabceb6da15aa0fc94b9406aca921a">MAXZONE</a>))
<a name="l00127"></a>00127 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Zone "</span> + str(zone) + <span class="stringliteral">" not in range [0, 60]"</span>);
<a name="l00128"></a>00128 <span class="keywordtype">bool</span> utmp = zone != UPS;
<a name="l00129"></a>00129 CheckCoords(utmp, northp, x, y, mgrslimits);
<a name="l00130"></a>00130 <span class="keywordtype">int</span> ind = (utmp ? 2 : 0) + (northp ? 1 : 0);
<a name="l00131"></a>00131 x -= falseeasting[ind];
<a name="l00132"></a>00132 y -= falsenorthing[ind];
<a name="l00133"></a>00133 <span class="keywordflow">if</span> (utmp)
<a name="l00134"></a>00134 <a class="code" href="classGeographicLib_1_1TransverseMercator.html#aa25b52e35bc54c368e6c8b17e02b0542">TransverseMercator::UTM</a>.<a class="code" href="classGeographicLib_1_1TransverseMercator.html#a15611aee4e3707e155278bab02403a07">Reverse</a>(CentralMeridian(zone),
<a name="l00135"></a>00135 x, y, lat, lon, gamma, k);
<a name="l00136"></a>00136 <span class="keywordflow">else</span>
<a name="l00137"></a>00137 <a class="code" href="classGeographicLib_1_1PolarStereographic.html#a2db6bcb1b59a6ddc6087ee04c64c9825">PolarStereographic::UPS</a>.<a class="code" href="classGeographicLib_1_1PolarStereographic.html#a01302b8dba43c57e3c3849f94123a157">Reverse</a>(northp, x, y, lat, lon, gamma, k);
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordtype">void</span> UTMUPS::CheckLatLon(<a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">real</a> lat, <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">real</a> lon) {
<a name="l00141"></a>00141 <span class="keywordflow">if</span> (lat < -90 || lat > 90)
<a name="l00142"></a>00142 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Latitude "</span> + str(lat) + <span class="stringliteral">"d not in [-90d, 90d]"</span>);
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (lon < -180 || lon > 360)
<a name="l00144"></a>00144 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Latitude "</span> + str(lon) + <span class="stringliteral">"d not in [-180d, 360d]"</span>);
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keywordtype">bool</span> UTMUPS::CheckCoords(<span class="keywordtype">bool</span> utmp, <span class="keywordtype">bool</span> northp, <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">real</a> x, <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">real</a> y,
<a name="l00148"></a>00148 <span class="keywordtype">bool</span> mgrslimits, <span class="keywordtype">bool</span> throwp) {
<a name="l00149"></a>00149 <span class="comment">// Limits are all multiples of 100km and are all closed on the both ends.</span>
<a name="l00150"></a>00150 <span class="comment">// Failure tests are such that NaNs succeed.</span>
<a name="l00151"></a>00151 <a class="code" href="Geod_8cpp.html#a5caf95d46b184d9ca1d3764b3781b3c9">real</a> slop = mgrslimits ? 0 : MGRS::tile;
<a name="l00152"></a>00152 <span class="keywordtype">int</span> ind = (utmp ? 2 : 0) + (northp ? 1 : 0);
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (x < mineasting[ind] - slop || x > maxeasting[ind] + slop) {
<a name="l00154"></a>00154 <span class="keywordflow">if</span> (!throwp) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00155"></a>00155 <span class="keywordflow">throw</span> GeographicErr(<span class="stringliteral">"Easting "</span> + str(x/1000) + <span class="stringliteral">"km not in "</span>
<a name="l00156"></a>00156 + (mgrslimits ? <span class="stringliteral">"MGRS/"</span> : <span class="stringliteral">""</span>)
<a name="l00157"></a>00157 + (utmp ? <span class="stringliteral">"UTM"</span> : <span class="stringliteral">"UPS"</span>) + <span class="stringliteral">" range for "</span>
<a name="l00158"></a>00158 + (northp ? <span class="stringliteral">"N"</span> : <span class="stringliteral">"S"</span> ) + <span class="stringliteral">" hemisphere ["</span>
<a name="l00159"></a>00159 + str((mineasting[ind] - slop)/1000) + <span class="stringliteral">"km, "</span>
<a name="l00160"></a>00160 + str((maxeasting[ind] + slop)/1000) + <span class="stringliteral">"km]"</span>);
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 <span class="keywordflow">if</span> (y < minnorthing[ind] - slop || y > maxnorthing[ind] + slop) {
<a name="l00163"></a>00163 <span class="keywordflow">if</span> (!throwp) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00164"></a>00164 <span class="keywordflow">throw</span> GeographicErr(<span class="stringliteral">"Northing "</span> + str(y/1000) + <span class="stringliteral">"km not in "</span>
<a name="l00165"></a>00165 + (mgrslimits ? <span class="stringliteral">"MGRS/"</span> : <span class="stringliteral">""</span>)
<a name="l00166"></a>00166 + (utmp ? <span class="stringliteral">"UTM"</span> : <span class="stringliteral">"UPS"</span>) + <span class="stringliteral">" range for "</span>
<a name="l00167"></a>00167 + (northp ? <span class="stringliteral">"N"</span> : <span class="stringliteral">"S"</span> ) + <span class="stringliteral">" hemisphere ["</span>
<a name="l00168"></a>00168 + str((minnorthing[ind] - slop)/1000) + <span class="stringliteral">"km, "</span>
<a name="l00169"></a>00169 + str((maxnorthing[ind] + slop)/1000) + <span class="stringliteral">"km]"</span>);
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a><a class="code" href="classGeographicLib_1_1UTMUPS.html#ad74d52d7ebeff195019745f791f30562">00174</a> <span class="keywordtype">void</span> <a class="code" href="classGeographicLib_1_1UTMUPS.html#ad74d52d7ebeff195019745f791f30562">UTMUPS::DecodeZone</a>(<span class="keyword">const</span> std::string& zonestr, <span class="keywordtype">int</span>& zone, <span class="keywordtype">bool</span>& northp) {
<a name="l00175"></a>00175 <span class="keywordtype">unsigned</span> zlen = unsigned(zonestr.size());
<a name="l00176"></a>00176 <span class="keywordflow">if</span> (zlen == 0)
<a name="l00177"></a>00177 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Empty zone specification"</span>);
<a name="l00178"></a>00178 <span class="keywordflow">if</span> (zlen > 3)
<a name="l00179"></a>00179 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"More than 3 characters in zone specification "</span>
<a name="l00180"></a>00180 + zonestr);
<a name="l00181"></a>00181 <span class="keywordflow">if</span> (zlen == 3 &&
<a name="l00182"></a>00182 toupper(zonestr[0]) == <span class="charliteral">'I'</span> &&
<a name="l00183"></a>00183 toupper(zonestr[1]) == <span class="charliteral">'N'</span> &&
<a name="l00184"></a>00184 toupper(zonestr[2]) == <span class="charliteral">'V'</span>) {
<a name="l00185"></a>00185 zone = INVALID;
<a name="l00186"></a>00186 northp = <span class="keyword">false</span>;
<a name="l00187"></a>00187 <span class="keywordflow">return</span>;
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189 <span class="keywordtype">char</span> hemi = toupper(zonestr[zlen - 1]);
<a name="l00190"></a>00190 <span class="keywordtype">bool</span> northp1 = hemi == <span class="charliteral">'N'</span>;
<a name="l00191"></a>00191 <span class="keywordflow">if</span> (! (northp1 || hemi == <span class="charliteral">'S'</span>))
<a name="l00192"></a>00192 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="keywordtype">string</span>(<span class="stringliteral">"Illegal hemisphere letter "</span>) + hemi + <span class="stringliteral">" in "</span>
<a name="l00193"></a>00193 + zonestr + <span class="stringliteral">", specify N or S"</span>);
<a name="l00194"></a>00194 <span class="keywordflow">if</span> (zlen == 1)
<a name="l00195"></a>00195 zone = UPS;
<a name="l00196"></a>00196 <span class="keywordflow">else</span> {
<a name="l00197"></a>00197 <span class="keyword">const</span> <span class="keywordtype">char</span>* c = zonestr.c_str();
<a name="l00198"></a>00198 <span class="keywordtype">char</span>* q;
<a name="l00199"></a>00199 <span class="keywordtype">int</span> zone1 = strtol(c, &q, 10);
<a name="l00200"></a>00200 <span class="keywordflow">if</span> (q == c)
<a name="l00201"></a>00201 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"No zone number found in "</span> + zonestr);
<a name="l00202"></a>00202 <span class="keywordflow">if</span> (q - c != <span class="keywordtype">int</span>(zlen) - 1)
<a name="l00203"></a>00203 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Extra text "</span> +
<a name="l00204"></a>00204 zonestr.substr(q - c, <span class="keywordtype">int</span>(zlen) - 1 - (q - c)) +
<a name="l00205"></a>00205 <span class="stringliteral">" in UTM/UPS zone "</span> + zonestr);
<a name="l00206"></a>00206 <span class="keywordflow">if</span> (zone1 == <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7a40256f9ab9f277957f8ab697bcd2fd42">UPS</a>)
<a name="l00207"></a>00207 <span class="comment">// Don't allow 0N as an alternative to N for UPS coordinates</span>
<a name="l00208"></a>00208 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Illegal zone 0 in "</span> + zonestr +
<a name="l00209"></a>00209 <span class="stringliteral">", use just "</span> + hemi + <span class="stringliteral">" for UPS"</span>);
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (!(zone1 >= <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7a1413e6cc83d4bf1eb4ad1c0f1d745eb6">MINUTMZONE</a> && zone1 <= <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7ae8e04ab8df50a062c1fe277a6880bc19">MAXUTMZONE</a>))
<a name="l00211"></a>00211 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Zone "</span> + str(zone1) + <span class="stringliteral">" not in range [1, 60]"</span>);
<a name="l00212"></a>00212 zone = zone1;
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214 northp = northp1;
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a><a class="code" href="classGeographicLib_1_1UTMUPS.html#a3410e1e221158962f34147255653818f">00217</a> std::string <a class="code" href="classGeographicLib_1_1UTMUPS.html#a3410e1e221158962f34147255653818f">UTMUPS::EncodeZone</a>(<span class="keywordtype">int</span> zone, <span class="keywordtype">bool</span> northp) {
<a name="l00218"></a>00218 <span class="keywordflow">if</span> (zone == <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7aeb6750fb82edce6e5b58178a38ee8bd0">INVALID</a>)
<a name="l00219"></a>00219 <span class="keywordflow">return</span> string(<span class="stringliteral">"INV"</span>);
<a name="l00220"></a>00220 <span class="keywordflow">if</span> (! (zone >= <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7af91adc987ae7295bfb6d3786b23c58e1">MINZONE</a> && zone <= <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7a12dabceb6da15aa0fc94b9406aca921a">MAXZONE</a>))
<a name="l00221"></a>00221 <span class="keywordflow">throw</span> <a class="code" href="classGeographicLib_1_1GeographicErr.html" title="Exception handling for GeographicLib">GeographicErr</a>(<span class="stringliteral">"Zone "</span> + str(zone) + <span class="stringliteral">" not in range [0, 60]"</span>);
<a name="l00222"></a>00222 ostringstream os;
<a name="l00223"></a>00223 <span class="keywordflow">if</span> (zone != <a class="code" href="classGeographicLib_1_1UTMUPS.html#a0c459615da18cc899a960bdc8c5b11b7a40256f9ab9f277957f8ab697bcd2fd42">UPS</a>)
<a name="l00224"></a>00224 os << setfill(<span class="charliteral">'0'</span>) << setw(2) << zone;
<a name="l00225"></a>00225 os << (northp ? <span class="charliteral">'N'</span> : <span class="charliteral">'S'</span>);
<a name="l00226"></a>00226 <span class="keywordflow">return</span> os.str();
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00229"></a><a class="code" href="classGeographicLib_1_1UTMUPS.html#abd70d3f90f5c79a09bdd217b67e6729b">00229</a> <a class="code" href="classGeographicLib_1_1Math.html#aeee4778d7cf2f9fb9648efe4911da59d">Math::real</a> <a class="code" href="classGeographicLib_1_1UTMUPS.html#abd70d3f90f5c79a09bdd217b67e6729b">UTMUPS::UTMShift</a>() throw() { <span class="keywordflow">return</span> real(MGRS::utmNshift); }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 } <span class="comment">// namespace GeographicLib</span>
</pre></div></div>
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