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This module houses the Geometry Collection objects:
GeometryCollection, MultiPoint, MultiLineString, and MultiPolygon
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zGeometryCollection.__init__c c s" � t t| ��D ]}| | V qdS )z-Iterate over each Geometry in the Collection.N)�ranger )r �ir r r �__iter__' s � �zGeometryCollection.__iter__c C s | j S )z3Return the number of geometries in this Collection.)�num_geom�r r r r �__len__, s zGeometryCollection.__len__c C s2 t | dd� |D �� }t�t| j�t|�t|��S )Nc S s g | ] }t �t|d |���qS )�ptr)�capi�
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<listcomp>3 s �z9GeometryCollection._create_collection.<locals>.<listcomp>)r r( �create_collectionr �_typeidr r )r �length�items�geomsr r r r 1 s � z%GeometryCollection._create_collectionc C s t �| j|�S �N)r( � get_geomnr' �r �indexr r r �_get_single_internal: s z'GeometryCollection._get_single_internalc C s t t�| �|��| jd�S )zFReturn the Geometry from this Collection at the given index (0-based).)�srid)r r( r) r8 r9 r6 r r r �_get_single_external= s z'GeometryCollection._get_single_externalc C s2 | j }| j}| �||�| _ |r|| _t�|� dS )zJCreate a new collection, and destroy the contents of the previous pointer.N)r' r9 r r( � destroy_geom)r r1 r2 �prev_ptrr9 r r r � _set_listB s z GeometryCollection._set_listc C s dd� dd� | D �� S )z,Return the KML for this Geometry Collection.z!<MultiGeometry>%s</MultiGeometry>� c s � � | ]}|j V qd S r4 )�kmlr+ r r r � <genexpr>Q � � z)GeometryCollection.kml.<locals>.<genexpr>)�joinr% r r r r@ N s zGeometryCollection.kmlc C s t dd� | D ��S )zAReturn a tuple of all the coordinates in this Geometry Collectionc s r? r4 �r r+ r r r rA V rB z+GeometryCollection.tuple.<locals>.<genexpr>rD r% r r r r S s zGeometryCollection.tuple)�__name__�
__module__� __qualname__r0 r r# r& r r8 r: r= r �_set_single_rebuild� _set_single� _assign_extended_slice_rebuild�_assign_extended_slice�propertyr@ r �coords�
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MultiPoint� N)rE rF rG r �_allowedr0 r r r r rP [ � rP c @ s e Zd ZeefZdZdS )�MultiLineString� N)rE rF rG r
r rR r0 r r r r rT ` s rT c @ rO )� MultiPolygon� N)rE rF rG r rR r0 r r r r rV e rS rV N)�__doc__�ctypesr r r �django.contrib.gis.geosr r( � django.contrib.gis.geos.geometryr r � django.contrib.gis.geos.libgeosr �"django.contrib.gis.geos.linestringr r
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