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arangodb/Documentation/Examples/008_collectionNearDistance....

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arangosh&gt; db.geo.ensureIndex({ <span class="hljs-attr">type</span>: <span class="hljs-string">"geo"</span>, <span class="hljs-attr">fields</span>: [ <span class="hljs-string">"loc"</span> ] });
{
<span class="hljs-string">"bestIndexedLevel"</span> : <span class="hljs-number">17</span>,
<span class="hljs-string">"fields"</span> : [
<span class="hljs-string">"loc"</span>
],
<span class="hljs-string">"geoJson"</span> : <span class="hljs-literal">false</span>,
<span class="hljs-string">"id"</span> : <span class="hljs-string">"geo/2399"</span>,
<span class="hljs-string">"isNewlyCreated"</span> : <span class="hljs-literal">true</span>,
<span class="hljs-string">"maxNumCoverCells"</span> : <span class="hljs-number">8</span>,
<span class="hljs-string">"sparse"</span> : <span class="hljs-literal">true</span>,
<span class="hljs-string">"type"</span> : <span class="hljs-string">"geo"</span>,
<span class="hljs-string">"unique"</span> : <span class="hljs-literal">false</span>,
<span class="hljs-string">"worstIndexedLevel"</span> : <span class="hljs-number">4</span>,
<span class="hljs-string">"code"</span> : <span class="hljs-number">201</span>
}
arangosh&gt; <span class="hljs-keyword">for</span> (<span class="hljs-keyword">var</span> i = <span class="hljs-number">-90</span>; i &lt;= <span class="hljs-number">90</span>; i += <span class="hljs-number">10</span>) {
........&gt; <span class="hljs-keyword">for</span> (<span class="hljs-keyword">var</span> j = <span class="hljs-number">-180</span>; j &lt;= <span class="hljs-number">180</span>; j += <span class="hljs-number">10</span>) {
........&gt; db.geo.save({
........&gt; name : <span class="hljs-string">"Name/"</span> + i + <span class="hljs-string">"/"</span> + j,
........&gt; loc: [ i, j ] });
........&gt; } }
arangosh&gt; db.geo.near(<span class="hljs-number">0</span>, <span class="hljs-number">0</span>).distance().limit(<span class="hljs-number">2</span>).toArray();
[
{
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"geo/3456"</span>,
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"3456"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_YOn09za--H"</span>,
<span class="hljs-string">"loc"</span> : [
<span class="hljs-number">0</span>,
<span class="hljs-number">0</span>
],
<span class="hljs-string">"name"</span> : <span class="hljs-string">"Name/0/0"</span>,
<span class="hljs-string">"distance"</span> : <span class="hljs-number">0</span>
},
{
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"geo/3345"</span>,
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"3345"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_YOn09zC--_"</span>,
<span class="hljs-string">"loc"</span> : [
<span class="hljs-number">-10</span>,
<span class="hljs-number">0</span>
],
<span class="hljs-string">"name"</span> : <span class="hljs-string">"Name/-10/0"</span>,
<span class="hljs-string">"distance"</span> : <span class="hljs-number">1111949.2664455874</span>
}
]