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<title>Underpass: geoutil::GeoUtil Class Reference</title>
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<li class="navelem"><b>geoutil</b></li><li class="navelem"><a class="el" href="classgeoutil_1_1GeoUtil.html">GeoUtil</a></li> </ul>
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<div class="title">geoutil::GeoUtil Class Reference</div> </div>
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<p>Read in the Country boundaries data file.
<a href="classgeoutil_1_1GeoUtil.html#details">More...</a></p>
<p><code>#include <<a class="el" href="geoutil_8hh_source.html">geoutil.hh</a>></code></p>
<div class="dynheader">
Inheritance diagram for geoutil::GeoUtil:</div>
<div class="dyncontent">
<div class="center"><img src="classgeoutil_1_1GeoUtil__inherit__graph.png" border="0" usemap="#ageoutil_1_1GeoUtil_inherit__map" alt="Inheritance graph"/></div>
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<area shape="rect" title="Read in the Country boundaries data file." alt="" coords="5,80,116,107"/>
<area shape="rect" title=" " alt="" coords="33,5,88,32"/>
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<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
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Collaboration diagram for geoutil::GeoUtil:</div>
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<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a04c8c103f045904e464f5f6eb155f95b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeoutil_1_1GeoUtil.html#a04c8c103f045904e464f5f6eb155f95b">readFile</a> (const std::string &filespec, bool multi)</td></tr>
<tr class="separator:a04c8c103f045904e464f5f6eb155f95b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5b77bbd1bbd8af82e6d14a8055274b95"><td class="memItemLeft" align="right" valign="top"><a id="a5b77bbd1bbd8af82e6d14a8055274b95"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeoutil_1_1GeoUtil.html#a5b77bbd1bbd8af82e6d14a8055274b95">connect</a> (const std::string &dbserver, const std::string &database)</td></tr>
<tr class="memdesc:a5b77bbd1bbd8af82e6d14a8055274b95"><td class="mdescLeft"> </td><td class="mdescRight">Connect to the geodata database. <br /></td></tr>
<tr class="separator:a5b77bbd1bbd8af82e6d14a8055274b95"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a046af0638f97eede82e847f3257e067d"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeoutil_1_1GeoUtil.html#a046af0638f97eede82e847f3257e067d">focusArea</a> (double lat, double lon)</td></tr>
<tr class="memdesc:a046af0638f97eede82e847f3257e067d"><td class="mdescLeft"> </td><td class="mdescRight">Find the country the changeset was made in. <a href="classgeoutil_1_1GeoUtil.html#a046af0638f97eede82e847f3257e067d">More...</a><br /></td></tr>
<tr class="separator:a046af0638f97eede82e847f3257e067d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaf1890efb89a1c34e4be42f802b043da"><td class="memItemLeft" align="right" valign="top"><a id="aaf1890efb89a1c34e4be42f802b043da"></a>
<a class="el" href="classgeoutil_1_1GeoCountry.html">GeoCountry</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeoutil_1_1GeoUtil.html#aaf1890efb89a1c34e4be42f802b043da">inCountry</a> (double max_lat, double max_lon, double min_lat, double min_lon)</td></tr>
<tr class="memdesc:aaf1890efb89a1c34e4be42f802b043da"><td class="mdescLeft"> </td><td class="mdescRight">See if the given location can be identified. <br /></td></tr>
<tr class="separator:aaf1890efb89a1c34e4be42f802b043da"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6bd539e294fe68a6de45fc063f8eaaa3"><td class="memItemLeft" align="right" valign="top">std::vector< <a class="el" href="classosmstats_1_1RawCountry.html">osmstats::RawCountry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeoutil_1_1GeoUtil.html#a6bd539e294fe68a6de45fc063f8eaaa3">exportCountries</a> (void)</td></tr>
<tr class="separator:a6bd539e294fe68a6de45fc063f8eaaa3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af4117d6042b6aa2d2bdbf16fa67a3212"><td class="memItemLeft" align="right" valign="top"><a id="af4117d6042b6aa2d2bdbf16fa67a3212"></a>
<a class="el" href="classgeoutil_1_1GeoCountry.html">GeoCountry</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeoutil_1_1GeoUtil.html#af4117d6042b6aa2d2bdbf16fa67a3212">getCountry</a> (const std::string country)</td></tr>
<tr class="memdesc:af4117d6042b6aa2d2bdbf16fa67a3212"><td class="mdescLeft"> </td><td class="mdescRight">Get parsed country data by name. <br /></td></tr>
<tr class="separator:af4117d6042b6aa2d2bdbf16fa67a3212"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae9e72f7ee543746653d7533d22fcbdc5"><td class="memItemLeft" align="right" valign="top"><a id="ae9e72f7ee543746653d7533d22fcbdc5"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeoutil_1_1GeoUtil.html#ae9e72f7ee543746653d7533d22fcbdc5">dump</a> (void)</td></tr>
<tr class="memdesc:ae9e72f7ee543746653d7533d22fcbdc5"><td class="mdescLeft"> </td><td class="mdescRight">Dump internal data storage for debugging purposes. <br /></td></tr>
<tr class="separator:ae9e72f7ee543746653d7533d22fcbdc5"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Read in the Country boundaries data file. </p>
<p>This parses the data file in any GDAL supported format into a data structure that can be used to determine which country a change was made in. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a6bd539e294fe68a6de45fc063f8eaaa3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6bd539e294fe68a6de45fc063f8eaaa3">◆ </a></span>exportCountries()</h2>
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<td class="memname">std::vector< <a class="el" href="classosmstats_1_1RawCountry.html">osmstats::RawCountry</a> > geoutil::GeoUtil::exportCountries </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p>Export all the countries in the format used by OSM Stats, which doesn't use the geospatial data. This table needs to be regenerated using the same data file as used to geolocate which country a changeset is made it. </p>
</div>
</div>
<a id="a046af0638f97eede82e847f3257e067d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a046af0638f97eede82e847f3257e067d">◆ </a></span>focusArea()</h2>
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<td class="memname">bool geoutil::GeoUtil::focusArea </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>lat</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>lon</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Find the country the changeset was made in. </p>
<p>See if this changeset is in a focus area. We ignore changsets in areas like North America to reduce the amount of data needed for calulations. This boundary can always be modified to be larger. </p>
</div>
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<a id="a04c8c103f045904e464f5f6eb155f95b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a04c8c103f045904e464f5f6eb155f95b">◆ </a></span>readFile()</h2>
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<td class="memname">bool geoutil::GeoUtil::readFile </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>filespec</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>multi</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Read a file into internal storage so boost::geometry functions can be used to process simple geospatial calculations instead of using postgres. This data is is used to determine which country a change was made in, or filtering out part of the planet to reduce data size. Since this uses GDAL, any multi-polygon file of any supported format can be used. </p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>data/<a class="el" href="geoutil_8hh_source.html">geoutil.hh</a></li>
<li>data/geoutil.cc</li>
</ul>
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