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PostGIS ajoute le support d'objets géographique à la base de données PostgreSQL. En effet, PostGIS "spatialise" le serverur PostgreSQL, ce qui permet de l'utiliser comme une base de données SIG.

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71<li><a class="reference external" href="#public-methods">Public Methods</a></li>
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78                                  title="previous chapter"><tt class="docutils literal docutils literal docutils literal"><span class="pre">GeoExt.data.AttributeStore</span></tt></a></p>
79            <h4>Next topic</h4>
80            <p class="topless"><a href="FeatureRecord.html"
81                                  title="next chapter"><tt class="docutils literal"><span class="pre">GeoExt.data.FeatureRecord</span></tt></a></p>
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91  <div class="section" id="geoext-data-featurereader">
92<h1><a title="GeoExt.data.FeatureReader" class="reference internal" href="#GeoExt.data.FeatureReader"><tt class="xref docutils literal"><span class="pre">GeoExt.data.FeatureReader</span></tt></a><a class="headerlink" href="#geoext-data-featurereader" title="Permalink to this headline">¶</a></h1>
93<dl class="meta docutils">
94<dt>Extends</dt>
95<dd><ul class="first last simple">
96<li><a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.DataReader">Ext.data.DataReader</a></li>
97</ul>
98</dd>
99</dl>
100<dl class="class">
101<dt id="GeoExt.data.FeatureReader">
102<em class="property">class </em><tt class="descclassname">GeoExt.data.</tt><tt class="descname">FeatureReader</tt><big>(</big><em>meta</em>, <em>recordType</em><big>)</big><a class="headerlink" href="#GeoExt.data.FeatureReader" title="Permalink to this definition">¶</a></dt>
103<dd>Data reader class to create an array of
104<a title="GeoExt.data.FeatureRecord" class="reference external" href="FeatureRecord.html#GeoExt.data.FeatureRecord"><tt class="xref docutils literal"><span class="pre">GeoExt.data.FeatureRecord</span></tt></a> objects from an
105<tt class="docutils literal"><span class="pre">OpenLayers.Protocol.Response</span></tt> object for use in a
106<a title="GeoExt.data.FeatureStore" class="reference external" href="FeatureStore.html#GeoExt.data.FeatureStore"><tt class="xref docutils literal"><span class="pre">GeoExt.data.FeatureStore</span></tt></a> object.</dd></dl>
107
108<div class="section" id="example-use">
109<h2>Example Use<a class="headerlink" href="#example-use" title="Permalink to this headline">¶</a></h2>
110<p>Typical usage in a store:</p>
111<div class="highlight-javascript"><div class="highlight"><pre><span class="kd">var</span> <span class="nx">store</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Ext</span><span class="p">.</span><span class="nx">data</span><span class="p">.</span><span class="nx">Store</span><span class="p">({</span>
112    <span class="nx">reader</span><span class="o">:</span> <span class="k">new</span> <span class="nx">GeoExt</span><span class="p">.</span><span class="nx">data</span><span class="p">.</span><span class="nx">FeatureReader</span><span class="p">({},</span> <span class="p">[</span>
113        <span class="p">{</span><span class="nx">name</span><span class="o">:</span> <span class="s1">&#39;name&#39;</span><span class="p">,</span> <span class="nx">type</span><span class="o">:</span> <span class="s1">&#39;string&#39;</span><span class="p">},</span>
114        <span class="p">{</span><span class="nx">name</span><span class="o">:</span> <span class="s1">&#39;elevation&#39;</span><span class="p">,</span> <span class="nx">type</span><span class="o">:</span> <span class="s1">&#39;float&#39;</span><span class="p">}</span>
115    <span class="p">])</span>
116<span class="p">});</span>
117</pre></div>
118</div>
119</div>
120<div class="section" id="public-methods">
121<h2>Public Methods<a class="headerlink" href="#public-methods" title="Permalink to this headline">¶</a></h2>
122<p>Public methods in addition to those
123listed for <a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.DataReader">Ext.data.DataReader</a>.</p>
124<dl class="method">
125<dt id="GeoExt.data.FeatureReader.readRecords">
126<tt class="descclassname">FeatureReader.</tt><tt class="descname">readRecords</tt><big>(</big><big>)</big><a class="headerlink" href="#GeoExt.data.FeatureReader.readRecords" title="Permalink to this definition">¶</a></dt>
127<dd><table class="docutils field-list" frame="void" rules="none">
128<col class="field-name" />
129<col class="field-body" />
130<tbody valign="top">
131<tr class="field"><th class="field-name">Parameter:</th><td class="field-body"><em>features</em> &#8211; <tt class="docutils literal"><span class="pre">Array(OpenLayers.Feature.Vector)</span></tt> List of
132features for creating records</td>
133</tr>
134<tr class="field"><th class="field-name">Returns:</th><td class="field-body"><tt class="docutils literal"><span class="pre">Object</span></tt>  An object with <tt class="docutils literal"><span class="pre">records</span></tt> and <tt class="docutils literal"><span class="pre">totalRecords</span></tt>
135properties.</td>
136</tr>
137</tbody>
138</table>
139<p>Create a data block containing <a title="GeoExt.data.FeatureRecord" class="reference external" href="FeatureRecord.html#GeoExt.data.FeatureRecord"><tt class="xref docutils literal"><span class="pre">GeoExt.data.FeatureRecord</span></tt></a>
140objects from an array of features.</p>
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