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<html>
<head>
<title>Viewer Sample Application - Query Parcels</title>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<meta http-equiv="content-script-type" content="text/javascript" />
<meta http-equiv="content-style-type" content="text/css" />
<link href="../styles/globalStyles.css" rel="stylesheet" type="text/css">
<link href="../styles/otherStyles.css" rel="stylesheet" type="text/css">
</head>
<body class="AppFrame">
<h1 class="AppHeading">Feature Query</h1>
<?php
require_once '../common/common.php';
$args = ($_SERVER['REQUEST_METHOD'] == "POST")? $_POST : $_GET;
$sessionId = $args['SESSION'];
$mapName = $args['MAPNAME'];
try
{
// Initialize the Web Extensions and connect to
// the Server using the Web Extensions session
// identifier stored in PHP session state.
MgInitializeWebTier ($webconfigFilePath);
$userInfo = new MgUserInformation($sessionId);
$siteConnection = new MgSiteConnection();
$siteConnection->Open($userInfo);
$map = new MgMap($siteConnection);
$map->Open($mapName);
// Get the geometry for the boundaries of District 1
$districtQuery = new MgFeatureQueryOptions();
$districtQuery->SetFilter("Autogenerated_SDF_ID = 1");
$layer = $map->GetLayers()->GetItem('Districts');
$featureReader = $layer->SelectFeatures($districtQuery);
$featureReader->ReadNext();
$districtGeometryData = $featureReader->
GetGeometry('Data');
// Convert the AGF binary data to MgGeometry.
$agfReaderWriter = new MgAgfReaderWriter();
$districtGeometry = $agfReaderWriter->
Read($districtGeometryData);
// Create a filter to select the desired features.
// Combine a basic filter and a spatial filter.
$queryOptions = new MgFeatureQueryOptions();
$queryOptions->SetFilter("RNAME LIKE 'SCHMITT%'");
$queryOptions->SetSpatialFilter('SHPGEOM',
$districtGeometry,
MgFeatureSpatialOperations::Inside);
// Select the features.
$layer = $map->GetLayers()->GetItem('Parcels');
$featureReader = $layer->SelectFeatures($queryOptions);
// For each selected feature, display the address.
echo '<p>Properties owned by Schmitt ';
echo 'in District 1</p><p>';
while ($featureReader->ReadNext())
{
$val = $featureReader->GetString('RPROPAD');
echo $val . '<br />';
}
echo '</p>';
}
catch (MgException $e)
{
echo $e->GetExceptionMessage();
echo $e->GetDetails();
}
catch (Exception $e)
{
echo $e->getMessage();
}
?>
</body>
</html>