/**
* Extract geometry to a WKT string
*
* @param Geometry $geometry A Geometry object
*
* @return string
*/
public function extractData($geometry)
{
$parts = array();
switch ($geometry->geometryType()) {
case 'Point':
return $geometry->getX() . ' ' . $geometry->getY();
case 'LineString':
foreach ($geometry->getComponents() as $component) {
$parts[] = $this->extractData($component);
}
return implode(', ', $parts);
case 'Polygon':
case 'MultiPoint':
case 'MultiLineString':
case 'MultiPolygon':
foreach ($geometry->getComponents() as $component) {
$parts[] = '(' . $this->extractData($component) . ')';
}
return implode(', ', $parts);
case 'GeometryCollection':
foreach ($geometry->getComponents() as $component) {
$parts[] = strtoupper($component->geometryType()) . ' (' . $this->extractData($component) . ')';
}
return implode(', ', $parts);
}
}
