/**
*
* @see KVDgis_GeomGeometry::setGeometryFromText()
* @param string $wkt vb. LINESTRING(1 2,4 5, 8 9).
* @throws <b>InvalidArgumentException</b> - Indien de wkt-string ongeldig is.
*/
public function setGeometryFromText($wkt)
{
$this->clear();
if ($wkt == 'EMPTY') {
return;
}
if (substr($wkt, 0, 10) != 'LINESTRING') {
throw new InvalidArgumentException('Ongeldige Well-Known Text string: ' . $wkt . "\n. De string zou moeten beginnen met 'LINESTRING'.");
}
$stringLineString = $this->getStringBetweenBraces($wkt);
$points = explode(",", $stringLineString);
foreach ($points as $point) {
if (strpos($point, '(') === false) {
$stringPoint = trim($point);
} else {
throw new InvalidArgumentException('Ongeldige Well-Known Text string: ' . $wkt . "\n. Een xy-paar mag niet omgeven worden door ronde haakjes.");
}
$punten = explode(" ", $stringPoint);
$pointObj = new KVDgis_GeomPoint($this->getSrid());
$pointObj->setX($punten['0']);
$pointObj->setY($punten['1']);
$this->addPoint($pointObj);
}
}
/**
*
* @see KVDgis_GeomGeometry::setGeometryFromText()
* @param string $wkt vb. MULTIPOINT((1 2), (4 5), (8 9)).
* Het ongeldige type dat postgis en de meeste
* andere paketten aanmaken kan ook gelezen worden.
* @throws <b>InvalidArgumentException</b> - Indien de wkt-string ongeldig is.
*/
public function setGeometryFromText($wkt)
{
if ($wkt == 'EMPTY') {
$this->clearPoints();
return;
}
if (substr($wkt, 0, 10) != 'MULTIPOINT') {
throw new InvalidArgumentException('Ongeldige Well-Known Text string: ' . $wkt . "\n. De string zou moeten beginnen met 'MULTIPOINT'.");
}
$this->clearPoints();
$stringMultiPoint = $this->getStringBetweenBraces($wkt);
$points = explode(",", $stringMultiPoint);
foreach ($points as $point) {
if (strpos($point, '(') === false) {
$stringPoint = trim($point);
} else {
$stringPoint = $this->getStringBetweenBraces($point);
}
$punten = explode(" ", $stringPoint);
$pointObj = new KVDgis_GeomPoint($this->getSrid());
$pointObj->setX($punten['0']);
$pointObj->setY($punten['1']);
$this->addPoint($pointObj);
}
}