hasAttribute("srsDimension")) {
return 2;
}
$dim = intval($domNode->getAttribute("srsDimension"), 10);
if (2 == $dim || 3 == $dim) {
return $dim;
}
return 2;
}
function findNameSpace($s){
list($ns,$FeaturePropertyName) = split(":",$s);
$nodeName = array('ns' => $ns, 'value' => $FeaturePropertyName);
return $nodeName;
}
private function parsePoint ($domNode, $gmlPoint) {
$currentSibling = $domNode->firstChild;
while ($currentSibling) {
$coordArray = explode(" ", $currentSibling->nodeValue);
$gmlPoint->setPoint($coordArray[0], $coordArray[1]);
$currentSibling = $currentSibling->nextSibling;
}
}
private function parseLine ($domNode, $gmlLine) {
$currentSibling = $domNode->firstChild;
while ($currentSibling) {
$dim = $this->getDimensionFromNode($currentSibling);
$coordArray = explode(' ', trim($currentSibling->nodeValue));
for ($i = 0; $i < count($coordArray); $i += $dim) {
$x = $coordArray[$i];
$y = $coordArray[$i+1];
$gmlLine->addPoint($x, $y);
}
$currentSibling = $currentSibling->nextSibling;
}
}
private function parsePolygon ($domNode, $gmlPolygon) {
$simpleXMLNode = simplexml_import_dom($domNode);
$simpleXMLNode->registerXPathNamespace('gml', 'http://www.opengis.net/gml');
$allCoords = $simpleXMLNode->xpath("gml:exterior/gml:LinearRing/gml:posList");
$cnt=0;
foreach ($allCoords as $Coords) {
$coordsDom = dom_import_simplexml($Coords);
$dim = $this->getDimensionFromNode($coordsDom);
$coordArray = explode(' ', trim($coordsDom->nodeValue));
for ($i = 0; $i < count($coordArray); $i += $dim) {
$x = $coordArray[$i];
$y = $coordArray[$i+1];
$gmlPolygon->addPoint($x, $y);
}
$cnt++;
}
$innerRingNodeArray = $simpleXMLNode->xpath("gml:innerBoundaryIs/gml:LinearRing");
if ($innerRingNodeArray) {
$ringCount = 0;
foreach ($innerRingNodeArray as $ringNode) {
$coordinates = $ringNode->xpath("gml:coordinates");
foreach ($coordinates as $coordinate) {
$coordsDom = dom_import_simplexml($coordinate);
$dim = $this->getDimensionFromNode($coordsDom);
$coordArray = explode(' ', trim($coordsDom->nodeValue));
for ($i = 0; $i < count($coordArray); $i += $dim) {
$x = $coordArray[$i];
$y = $coordArray[$i+1];
$gmlPolygon->addPointToRing($ringCount, $x, $y);
}
}
$ringCount++;
}
}
}
private function parseMultiLine ($domNode, $gmlMultiLine) {
$simpleXMLNode = simplexml_import_dom($domNode);
$simpleXMLNode->registerXPathNamespace('gml', 'http://www.opengis.net/gml');
$allCoords = $simpleXMLNode->xpath("gml:curveMember/gml:LineString/gml:posList");
$cnt=0;
foreach ($allCoords as $Coords) {
$gmlMultiLine->lineArray[$cnt] = array();
$coordsDom = dom_import_simplexml($Coords);
$dim = $this->getDimensionFromNode($coordsDom);
$coordArray = explode(' ', trim($coordsDom->nodeValue));
for ($i = 0; $i < count($coordArray); $i += $dim) {
$x = $coordArray[$i];
$y = $coordArray[$i+1];
$gmlMultiLine->addPoint($x, $y, $cnt);
}
$cnt++;
}
}
private function parseMultiPolygon ($domNode, $gmlMultiPolygon) {
$simpleXMLNode = simplexml_import_dom($domNode);
$simpleXMLNode->registerXPathNamespace('gml', 'http://www.opengis.net/gml');
$allPolygons = $simpleXMLNode->xpath("gml:surfaceMember/gml:Polygon");
$cnt=0;
foreach ($allPolygons as $polygon) {
$allCoords = $polygon->xpath("gml:exterior/gml:LinearRing/gml:posList");
$gmlMultiPolygon->polygonArray[$cnt] = array();
foreach ($allCoords as $Coords) {
$coordsDom = dom_import_simplexml($Coords);
$dim = $this->getDimensionFromNode($coordsDom);
$coordArray = explode(' ', trim($coordsDom->nodeValue));
for ($i = 0; $i < count($coordArray); $i += $dim) {
$x = $coordArray[$i];
$y = $coordArray[$i+1];
$gmlMultiPolygon->addPoint($x, $y, $cnt);
}
}
$gmlMultiPolygon->innerRingArray[$cnt] = array();
$innerRingNodeArray = $polygon->xpath("gml:interior");
if ($innerRingNodeArray) {
$ringCount = 0;
foreach ($innerRingNodeArray as $ringNode) {
$currentRingNode = $ringNode->xpath("gml:LinearRing");
foreach ($currentRingNode as $node) {
$coordinates = $node->xpath("gml:posList");
foreach ($coordinates as $coordinate) {
$coordsDom = dom_import_simplexml($coordinate);
$dim = $this->getDimensionFromNode($coordsDom);
$coordArray = explode(' ', trim($coordsDom->nodeValue));
for ($i = 0; $i < count($coordArray); $i += $dim) {
$x = $coordArray[$i];
$y = $coordArray[$i+1];
$gmlMultiPolygon->addPointToRing($cnt, $ringCount, $x, $y);
}
}
$ringCount++;
}
}
}
$cnt++;
// new mb_exception("create multipolygon " . serialize($gmlMultiPolygon->innerRingArray));
}
}
/**
* Parses the feature segment of a GML and stores the geometry in the
* $geometry variable of the class.
*
* Example of a feature segment of a GML.
*
*
*
*
*
* 39.700000 29.400000
* 46.400000 35.400000
*
*
*
*
*
*
*
*
*
* 43.200000 35.400000
* 46.400000 31.700000
* 44.100000 31.000000
* 41.700000 29.400000
* 39.700000 31.400000
* 43.300000 32.300000
* 43.200000 35.400000
*
*
*
*
*
*
*
* 16752039
* 624
* inter_08
*
*
* 3
*
*
*
* @return void
* @param $domNode DOMNodeObject the feature tag of the GML
* ( in the above example)
*/
protected function parseFeature($domNode, $feature, $wfsConf) {
$geomFeaturetypeElement = $wfsConf->getGeometryColumnName();
$feature->fid = $domNode->getAttribute("gml:id");
$currentSibling = $domNode->firstChild;
while ($currentSibling) {
$name = $currentSibling->nodeName;
$value = $currentSibling->nodeValue;
$namespace = $this->findNameSpace($name);
$ns = $namespace['ns'];
$columnName = $namespace['value'];
$isGeomColumn = ($geomFeaturetypeElement == null || $columnName == $geomFeaturetypeElement);
// check if this node is a geometry node.
// however, even if it is a property node,
// it has a child node, the text node!
// So we might need to do something more
// sophisticated here...
if ($currentSibling->hasChildNodes() && $isGeomColumn){
$geomNode = $currentSibling->firstChild;
$geomType = $geomNode->nodeName;
if ($geomNode->hasAttribute("srsName")) {
$srs = $geomNode->getAttribute("srsName");
}
switch ($geomType) {
case "gml:Polygon" :// untested!
$feature->geometry = new GMLPolygon();
$feature->geometry->srs = $srs;
$this->parsePolygon($geomNode, $feature->geometry);
break;
case "gml:LineString" :// untested!
$feature->geometry = new GMLLine();
$feature->geometry->srs = $srs;
$this->parseLine($geomNode, $feature->geometry);
break;
case "gml:Point" :
$feature->geometry = new GMLPoint();
$feature->geometry->srs = $srs;
$this->parsePoint($geomNode, $feature->geometry);
break;
case "gml:MultiCurve" :
$feature->geometry = new GMLMultiLine();
$feature->geometry->srs = $srs;
$this->parseMultiLine($geomNode, $feature->geometry);
break;
case "gml:MultiSurface" :
$feature->geometry = new GMLMultiPolygon();
$feature->geometry->srs = $srs;
$this->parseMultiPolygon($geomNode, $feature->geometry);
break;
default:
$feature->properties[$columnName] = $value;
break;
}
}
else {
if ($currentSibling->hasChildNodes() && $currentSibling->firstChild instanceof DOMText) {
$feature->properties[$columnName] = $value;
}
}
$currentSibling = $currentSibling->nextSibling;
}
}
}
?>