";
/**/
if (strlen($_SESSION['cataparticella']) > 2 ) {
// ########## CALCOLA CENTROIDE PARTICELLA
if(!$strcoordinate = @pg_query("SELECT ST_X(ST_Transform(ST_Centroid(ST_Union(geom)),4326)) as long,
ST_Y(ST_Transform(ST_Centroid(ST_union(geom)),4326)) as lat
FROM ".$_SESSION['COMUNE_PROV'].".particelle WHERE comune = '".$_SESSION['COMUNE_BELF']."' AND id=".$_SESSION['QUERY_CDU'].";"))
die("Errore CENTRO COMUNE: " . pg_last_error($conn));
while($rowcoord = pg_fetch_assoc($strcoordinate)) { $_SESSION['CENTER'] = $rowcoord['lat'] .", ".$rowcoord['long']; }
$_SESSION['ZOOM'] = 18;
// ########## CALCOLO BOUND PARTICELLE
if(!$strbound = @pg_query("SELECT ST_YMax(ST_Buffer(ST_Transform(ST_Union(geom),4326),0.15)) as ymax, ST_XMax(ST_Buffer(ST_Transform(ST_Union(geom),4326),0.15)) as xmax, ST_YMin(ST_Buffer(ST_Transform(ST_Union(geom),4326),0.15)) as ymin, ST_XMin(ST_Buffer(ST_Transform(ST_Union(geom),4326),0.15)) as xmin
FROM ".$_SESSION['COMUNE_PROV'].".particelle WHERE comune = '".$_SESSION['COMUNE_BELF']."' AND id=".$_SESSION['QUERY_CDU'].";"))
die("ERROR BOUND: " . pg_last_error($conn));
while($rowbound = pg_fetch_assoc($strbound)) {
// ---------- ESTENSIONE MAPPA
$_SESSION['BOUND'] = "[".$rowbound['ymin'].", ".$rowbound['xmin']."],[".$rowbound['ymax'].", ".$rowbound['xmax']."]";
}
// CALCOLA GEOMETRIA PARTICELLA
$sql_catasto = "SELECT ST_AsGeoJSON(ST_Transform(geom,4326)) AS cata_geojson, round(ST_Area(geom)::numeric,2) as area
FROM ".strtolower($_SESSION['COMUNE_PROV']).".particelle WHERE comune = '".$_SESSION['COMUNE_BELF']."' AND id=".$_SESSION['QUERY_CDU'].";";
# Try query or error
$rs = pg_query($conn, $sql_catasto);
if (!$rs) {
echo "ERROR GEOM PARTICELLE.\n";
} else {
// echo "QUERY OKKEY
";
}
# Build GeoJSON
$output = '';
$rowOutput = '';
while ($row = pg_fetch_assoc($rs)) {
// $rowOutput = (strlen($rowOutput) > 0 ? ',' : '') . '{"type": "Feature", "geometry": ' . $row['geojson'] . ', "properties": {';
$rowOutput = (strlen($rowOutput) > 0 ? ',' : '') . '{"type": "Feature", "properties": {';
$props = '';
$id = '';
foreach ($row as $key => $val) {
if ($key != "cata_geojson") {
$props .= (strlen($props) > 0 ? ',' : '') . '"' . $key . '":"' . escapeJsonString($val) . '"';
}
if ($key == "id") {
$id .= ',"id":"' . escapeJsonString($val) . '"';
}
}
// $rowOutput .= $props . '}';
$rowOutput .= $props . '}, "geometry": ' . $row['cata_geojson'] . '';
$rowOutput .= $id;
$rowOutput .= '}';
$output .= $rowOutput;
}
$particella = '{ "type": "FeatureCollection", "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:EPSG::4326" } }, "features": [ ' . $output . ' ] }';
$_SESSION['SELECT_PARTICELLA'] = $particella;
} else {
$_SESSION['ZOOM'] = 12;
}
?>