static function geoPHP::geometryReduce in geoPHP 7
Same name and namespace in other branches
- 8 geoPHP/geoPHP.inc \geoPHP::geometryReduce()
6 calls to geoPHP::geometryReduce()
- Collection::boundary in geoPHP/
lib/ geometry/ Collection.class.php - GeoJSON::read in geoPHP/
lib/ adapters/ GeoJSON.class.php - Given an object or a string, return a Geometry
- geoPHP::load in geoPHP/
geoPHP.inc - GeoRSS::geomFromXML in geoPHP/
lib/ adapters/ GeoRSS.class.php - GPX::geomFromXML in geoPHP/
lib/ adapters/ GPX.class.php
File
- geoPHP/
geoPHP.inc, line 152
Class
Code
static function geometryReduce($geometry) {
// If it's an array of one, then just parse the one
if (is_array($geometry)) {
if (empty($geometry)) {
return FALSE;
}
if (count($geometry) == 1) {
return geoPHP::geometryReduce(array_shift($geometry));
}
}
// If the geometry cannot even theoretically be reduced more, then pass it back
if (gettype($geometry) == 'object') {
$passbacks = array(
'Point',
'LineString',
'Polygon',
);
if (in_array($geometry
->geometryType(), $passbacks)) {
return $geometry;
}
}
// If it is a multi-geometry, check to see if it just has one member
// If it does, then pass the member, if not, then just pass back the geometry
if (gettype($geometry) == 'object') {
$simple_collections = array(
'MultiPoint',
'MultiLineString',
'MultiPolygon',
);
if (in_array(get_class($geometry), $passbacks)) {
$components = $geometry
->getComponents();
if (count($components) == 1) {
return $components[0];
}
else {
return $geometry;
}
}
}
// So now we either have an array of geometries, a GeometryCollection, or an array of GeometryCollections
if (!is_array($geometry)) {
$geometry = array(
$geometry,
);
}
$geometries = array();
$geom_types = array();
$collections = array(
'MultiPoint',
'MultiLineString',
'MultiPolygon',
'GeometryCollection',
);
foreach ($geometry as $item) {
if ($item) {
if (in_array(get_class($item), $collections)) {
foreach ($item
->getComponents() as $component) {
$geometries[] = $component;
$geom_types[] = $component
->geometryType();
}
}
else {
$geometries[] = $item;
$geom_types[] = $item
->geometryType();
}
}
}
$geom_types = array_unique($geom_types);
if (empty($geom_types)) {
return FALSE;
}
if (count($geom_types) == 1) {
if (count($geometries) == 1) {
return $geometries[0];
}
else {
$class = 'Multi' . $geom_types[0];
return new $class($geometries);
}
}
else {
return new GeometryCollection($geometries);
}
}