forked from lino/radar-wp
82 lines
2.9 KiB
PHP
82 lines
2.9 KiB
PHP
<?
|
|
// Uncomment to test
|
|
# run_test();
|
|
|
|
function run_test() {
|
|
|
|
header("Content-type: text");
|
|
|
|
include_once('../geoPHP.inc');
|
|
|
|
// Your database test table should contain 3 columns: name (text), type (text), geom (geometry)
|
|
$host = 'localhost';
|
|
$database = 'phayes';
|
|
$table = 'test';
|
|
$column = 'geom';
|
|
$user = 'phayes';
|
|
$pass = 'supersecret';
|
|
|
|
$connection = pg_connect("host=$host dbname=$database user=$user password=$pass");
|
|
|
|
// Truncate
|
|
pg_query($connection, "DELETE FROM $table");
|
|
|
|
// Working with PostGIS and EWKB
|
|
// ----------------------------
|
|
|
|
foreach (scandir('./input', SCANDIR_SORT_NONE) as $file) {
|
|
$parts = explode('.',$file);
|
|
if ($parts[0]) {
|
|
$name = $parts[0];
|
|
$format = $parts[1];
|
|
$value = file_get_contents('./input/'.$file);
|
|
print '---- Testing '.$file."\n";
|
|
flush();
|
|
$geometry = geoPHP::load($value, $format);
|
|
test_postgis($name, $format, $geometry, $connection, 'wkb');
|
|
$geometry->setSRID(4326);
|
|
test_postgis($name, $format, $geometry, $connection, 'ewkb');
|
|
}
|
|
}
|
|
print "Testing Done!";
|
|
}
|
|
|
|
function test_postgis($name, $type, $geom, $connection, $format) {
|
|
global $table;
|
|
|
|
// Let's insert into the database using GeomFromWKB
|
|
$insert_string = pg_escape_bytea($geom->out($format));
|
|
pg_query($connection, "INSERT INTO $table (name, type, geom) values ('$name', '$type', GeomFromWKB('$insert_string'))");
|
|
|
|
// SELECT using asBinary PostGIS
|
|
$result = pg_fetch_all(pg_query($connection, "SELECT asBinary(geom) as geom FROM $table WHERE name='$name'"));
|
|
foreach ($result as $item) {
|
|
$wkb = pg_unescape_bytea($item['geom']); // Make sure to unescape the hex blob
|
|
$geom = geoPHP::load($wkb, $format); // We now a full geoPHP Geometry object
|
|
}
|
|
|
|
// SELECT and INSERT directly, with no wrapping functions
|
|
$result = pg_fetch_all(pg_query($connection, "SELECT geom as geom FROM $table WHERE name='$name'"));
|
|
foreach ($result as $item) {
|
|
$wkb = pack('H*',$item['geom']); // Unpacking the hex blob
|
|
$geom = geoPHP::load($wkb, $format); // We now have a geoPHP Geometry
|
|
|
|
// Let's re-insert directly into postGIS
|
|
// We need to unpack the WKB
|
|
$unpacked = unpack('H*', $geom->out($format));
|
|
$insert_string = $unpacked[1];
|
|
pg_query($connection, "INSERT INTO $table (name, type, geom) values ('$name', '$type', '$insert_string')");
|
|
}
|
|
|
|
// SELECT and INSERT using as EWKT (ST_GeomFromEWKT and ST_AsEWKT)
|
|
$result = pg_fetch_all(pg_query($connection, "SELECT ST_AsEWKT(geom) as geom FROM $table WHERE name='$name'"));
|
|
foreach ($result as $item) {
|
|
$wkt = $item['geom']; // Make sure to unescape the hex blob
|
|
$geom = geoPHP::load($wkt, 'ewkt'); // We now a full geoPHP Geometry object
|
|
|
|
// Let's re-insert directly into postGIS
|
|
$insert_string = $geom->out('ewkt');
|
|
pg_query($connection, "INSERT INTO $table (name, type, geom) values ('$name', '$type', ST_GeomFromEWKT('$insert_string'))");
|
|
}
|
|
}
|
|
|