3
g                 @   sP   d dl mZ d dlmZ d dlmZ d dlmZ d dl	m
Z
 G dd de
ZdS )	    )c_uint)gdal)
prototypes)GEOSException)GEOSGeometryc                   s   e Zd ZdZdZdZd' fdd	Z fddZ fd	d
Z fddZ	e
dd Ze
dd Zdd Zdd Zdd Zdd Zdd ZeZedd Zejdd Zedd Zejd d Zed!d" Zejd#d" Zed$d% Zejd&d% ZeZ  ZS )(Point      TNc                s   |dkrg }n\t |ttfr"|}nHt |ttfrbt |ttfrbt |ttfrX|||g}qj||g}ntd| jt||}t j	||d dS )a  
        The Point object may be initialized with either a tuple, or individual
        parameters.

        For example:
        >>> p = Point((5, 23))  # 2D point, passed in as a tuple
        >>> p = Point(5, 23, 8)  # 3D point, passed in with individual parameters
        Nz2Invalid parameters given for Point initialization.)srid)

isinstancetuplelistfloatint	TypeError_create_pointlensuper__init__)selfxyzr
   coordsZpoint)	__class__ [/var/www/tester-filtro-web/env/lib/python3.6/site-packages/django/contrib/gis/geos/point.pyr      s    	
zPoint.__init__c                s   | j r
d S t j S )N)emptyr   _to_pickle_wkb)r   )r   r   r   r   +   s    zPoint._to_pickle_wkbc                s   |d kr| j  S t j|S )N)_create_emptyr   _from_pickle_wkb)r   Zwkb)r   r   r   r    .   s    zPoint._from_pickle_wkbc                s   | j rtjjj S t j S )N)r   r   Z
geometriesr   r   r   _ogr_ptr)r   )r   r   r   r!   1   s    zPoint._ogr_ptrc             C   s   | j d d S )N)r   )clsr   r   r   r   4   s    zPoint._create_emptyc             C   s   |st jdS |dk s|dkr*td| t jtdt|}t|}t j|dt| t j|dt| |dkrt j	|dt| t j|S )zO
        Create a coordinate sequence, set X, Y, [Z], and create point
        Nr   r	   zInvalid point dimension: %s   r   )
capiZcreate_pointr   Z	create_csr   iterZcs_setxnextZcs_setyZcs_setz)r"   ndimr   csir   r   r   r   8   s    
zPoint._create_pointc             C   sL   | j ||}|r@| j}tj| j || _|d k	r6|| _| j  ntdd S )Nz3Geometry resulting from slice deletion was invalid.)r   r
   r$   Zdestroy_geomptrZ_ptrZ
_post_initr   )r   lengthitemsr*   r
   r   r   r   	_set_listL   s    
zPoint._set_listc             C   s   | j j|d| d S )Nr   )_cssetOrdinate)r   indexvaluer   r   r   _set_singleY   s    zPoint._set_singlec             c   s$   xt t| D ]}| | V  qW dS )z'Iterate over coordinates of this Point.N)ranger   )r   r)   r   r   r   __iter__\   s    zPoint.__iter__c             C   s   | j r
dS | jrdS dS dS )zBReturn the number of dimensions for this Point (either 0, 2 or 3).r   r	   r   N)r   hasz)r   r   r   r   __len__a   s
    zPoint.__len__c             C   s.   |dkr| j S |dkr| jS |dkr*| jS d S )Nr   r#   r   )r   r   r   )r   r0   r   r   r   _get_single_externalj   s    zPoint._get_single_externalc             C   s   | j jddS )z$Return the X component of the Point.r   )r.   getOrdinate)r   r   r   r   r   t   s    zPoint.xc             C   s   | j jdd| dS )z!Set the X component of the Point.r   N)r.   r/   )r   r1   r   r   r   r   y   s    c             C   s   | j jddS )z$Return the Y component of the Point.r#   r   )r.   r8   )r   r   r   r   r   ~   s    zPoint.yc             C   s   | j jdd| dS )z!Set the Y component of the Point.r#   r   N)r.   r/   )r   r1   r   r   r   r      s    c             C   s   | j r| jjddS dS )z$Return the Z component of the Point.r   r   N)r5   r.   r8   )r   r   r   r   r      s    zPoint.zc             C   s"   | j std| jjdd| dS )z!Set the Z component of the Point.zCannot set Z on 2D Point.r   r   N)r5   r   r.   r/   )r   r1   r   r   r   r      s    c             C   s   | j jS )zReturn a tuple of the point.)r.   r   )r   r   r   r   r      s    zPoint.tuplec             C   s   || j d< dS )z6Set the coordinates of the point with the given tuple.r   N)r.   )r   tupr   r   r   r      s    )NNNN)__name__
__module____qualname__Z
_minlengthZ
_maxlengthZhas_csr   r   r    r!   classmethodr   r   r-   r2   r4   r6   r7   Z_get_single_internalpropertyr   setterr   r   r   r   __classcell__r   r   )r   r   r   	   s0   	r   N)ctypesr   Zdjango.contrib.gisr   Zdjango.contrib.gis.geosr   r$   Zdjango.contrib.gis.geos.errorr   Z django.contrib.gis.geos.geometryr   r   r   r   r   r   <module>   s
   