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30 lines
950 B
PHP
30 lines
950 B
PHP
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<?php
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/**
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* GeometryCollection: A heterogenous collection of geometries
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*/
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class GeometryCollection extends Collection
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{
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protected $geom_type = 'GeometryCollection';
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// We need to override asArray. Because geometryCollections are heterogeneous
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// we need to specify which type of geometries they contain. We need to do this
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// because, for example, there would be no way to tell the difference between a
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// MultiPoint or a LineString, since they share the same structure (collection
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// of points). So we need to call out the type explicitly.
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public function asArray() {
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$array = array();
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foreach ($this->components as $component) {
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$array[] = array(
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'type' => $component->geometryType(),
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'components' => $component->asArray(),
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);
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}
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return $array;
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}
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// Not valid for this geomettry
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public function boundary() { return NULL; }
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public function isSimple() { return NULL; }
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}
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