Non puoi selezionare più di 25 argomenti
Gli argomenti devono iniziare con una lettera o un numero, possono includere trattini ('-') e possono essere lunghi fino a 35 caratteri.
81 righe
3.5 KiB
81 righe
3.5 KiB
2 anni fa
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<?php if (session_id() == "")session_start();ob_start(); ?>
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<?php include_once "cfg_srv.php" ?>
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<?php
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function escapeJsonString($value) { # list from www.json.org: (\b backspace, \f formfeed)
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$escapers = array("\\", "/", "\"", "\n", "\r", "\t", "\x08", "\x0c");
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$replacements = array("\\\\", "\\/", "\\\"", "\\n", "\\r", "\\t", "\\f", "\\b");
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$result = str_replace($escapers, $replacements, $value);
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return $result;
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}
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echo "CATAPARTICELLA = ".$_SESSION['cataparticella']."<br>";
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/**/
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if (strlen($_SESSION['cataparticella']) > 2 ) {
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// ########## CALCOLA CENTROIDE PARTICELLA
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if(!$strcoordinate = @pg_query("SELECT ST_X(ST_Transform(ST_Centroid(ST_Union(geom)),4326)) as long,
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ST_Y(ST_Transform(ST_Centroid(ST_union(geom)),4326)) as lat
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FROM ".$_SESSION['COMUNE_PROV'].".particelle WHERE comune = '".$_SESSION['COMUNE_BELF']."' AND id=".$_SESSION['QUERY_CDU'].";"))
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die("Errore CENTRO COMUNE: " . pg_last_error($conn));
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while($rowcoord = pg_fetch_assoc($strcoordinate)) { $_SESSION['CENTER'] = $rowcoord['lat'] .", ".$rowcoord['long']; }
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$_SESSION['ZOOM'] = 18;
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// ########## CALCOLO BOUND PARTICELLE
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if(!$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
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FROM ".$_SESSION['COMUNE_PROV'].".particelle WHERE comune = '".$_SESSION['COMUNE_BELF']."' AND id=".$_SESSION['QUERY_CDU'].";"))
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die("ERROR BOUND: " . pg_last_error($conn));
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while($rowbound = pg_fetch_assoc($strbound)) {
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// ---------- ESTENSIONE MAPPA
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$_SESSION['BOUND'] = "[".$rowbound['ymin'].", ".$rowbound['xmin']."],[".$rowbound['ymax'].", ".$rowbound['xmax']."]";
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}
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// CALCOLA GEOMETRIA PARTICELLA
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$sql_catasto = "SELECT ST_AsGeoJSON(ST_Transform(geom,4326)) AS cata_geojson, round(ST_Area(geom)::numeric,2) as area
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FROM ".strtolower($_SESSION['COMUNE_PROV']).".particelle WHERE comune = '".$_SESSION['COMUNE_BELF']."' AND id=".$_SESSION['QUERY_CDU'].";";
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# Try query or error
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$rs = pg_query($conn, $sql_catasto);
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if (!$rs) {
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echo "ERROR GEOM PARTICELLE.\n";
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} else {
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// echo "QUERY OKKEY <br><br>";
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}
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# Build GeoJSON
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$output = '';
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$rowOutput = '';
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while ($row = pg_fetch_assoc($rs)) {
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// $rowOutput = (strlen($rowOutput) > 0 ? ',' : '') . '{"type": "Feature", "geometry": ' . $row['geojson'] . ', "properties": {';
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$rowOutput = (strlen($rowOutput) > 0 ? ',' : '') . '{"type": "Feature", "properties": {';
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$props = '';
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$id = '';
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foreach ($row as $key => $val) {
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if ($key != "cata_geojson") {
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$props .= (strlen($props) > 0 ? ',' : '') . '"' . $key . '":"' . escapeJsonString($val) . '"';
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}
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if ($key == "id") {
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$id .= ',"id":"' . escapeJsonString($val) . '"';
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}
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}
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// $rowOutput .= $props . '}';
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$rowOutput .= $props . '}, "geometry": ' . $row['cata_geojson'] . '';
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$rowOutput .= $id;
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$rowOutput .= '}';
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$output .= $rowOutput;
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}
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$particella = '{ "type": "FeatureCollection", "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:EPSG::4326" } }, "features": [ ' . $output . ' ] }';
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$_SESSION['SELECT_PARTICELLA'] = $particella;
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} else {
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$_SESSION['ZOOM'] = 12;
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}
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?>
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