/usr/local/lib/python3.9/site-packages/django/contrib/gis/db/backends/base/__pycache__
a Ӱ�h� � @ s d dl mZ G dd� d�ZdS )� )�gdalc @ s� e Zd ZdZedd� �Zedd� �Zedd� �Zedd � �Zed d � �Z ed d � �Z edd� �Z edd� �Z edd� �Z edd� �Zedd� �Zedd� �Zedd� �Zed d � �Zed$d d ��Zd!d"� Zd#S )%�SpatialRefSysMixinz~ The SpatialRefSysMixin is a class used by the database-dependent SpatialRefSys objects to reduce redundant code. c C s� t | d�r| j�� S zt�| j�| _| jW S tyR } z|}W Y d}~n d}~0 0 zt�| j�| _| jW S ty� } z|}W Y d}~n d}~0 0 td| j|f ��dS )z8 Return a GDAL SpatialReference object. �_srsNz9Could not get OSR SpatialReference from WKT: %s Error: %s) �hasattrr �cloner �SpatialReference�wkt�srs� ExceptionZ proj4text)�self�e�msg� r �T/usr/local/lib/python3.9/site-packages/django/contrib/gis/db/backends/base/models.pyr s" ��zSpatialRefSysMixin.srsc C s | j jS )z Return a tuple of the ellipsoid parameters: (semimajor axis, semiminor axis, and inverse flattening). )r � ellipsoid�r r r r r ( s z SpatialRefSysMixin.ellipsoidc C s | j jS )zReturn the projection name.)r �namer r r r r 0 s zSpatialRefSysMixin.namec C s | j d S )z4Return the spheroid name for this spatial reference.�spheroid�r r r r r r 5 s zSpatialRefSysMixin.spheroidc C s | j d S )z,Return the datum for this spatial reference.�datumr r r r r r : s zSpatialRefSysMixin.datumc C s | j jS )z$Is this Spatial Reference projected?)r � projectedr r r r r ? s z SpatialRefSysMixin.projectedc C s | j jS )z Is this Spatial Reference local?)r �localr r r r r D s zSpatialRefSysMixin.localc C s | j jS )z%Is this Spatial Reference geographic?)r � geographicr r r r r I s z SpatialRefSysMixin.geographicc C s | j jS )z Return the linear units name.)r � linear_namer r r r r N s z SpatialRefSysMixin.linear_namec C s | j jS )zReturn the linear units.)r � linear_unitsr r r r r S s z SpatialRefSysMixin.linear_unitsc C s | j jS )z%Return the name of the angular units.)r � angular_namer r r r r X s z SpatialRefSysMixin.angular_namec C s | j jS )zReturn the angular units.)r � angular_unitsr r r r r ] s z SpatialRefSysMixin.angular_unitsc C s2 | j s | jr| j| jfS | jr*| j| jfS dS dS )z)Return a tuple of the units and the name.)NNN)r r r r r r r r r r r �unitsb s zSpatialRefSysMixin.unitsc C s t �|�jS )z Return a tuple of (unit_value, unit_name) for the given WKT without using any of the database fields. )r r r )�clsr r r r � get_unitsl s z SpatialRefSysMixin.get_unitsTc C s^ t �|�}|j}|d }|s$||fS t|�dkrD|d |d }}n|\}}d|||f S dS )z� Class method used by GeometryField on initialization to retrieve the `SPHEROID[..]` parameters from the given WKT. r � r � zSPHEROID["%s",%s,%s]N)r r r �len)r r �stringr Z sphere_paramsZ sphere_nameZradiusZ flatteningr r r � get_spheroidt s z SpatialRefSysMixin.get_spheroidc C s t | j�S )zG Return the string representation, a 'pretty' OGC WKT. )�strr r r r r �__str__� s zSpatialRefSysMixin.__str__N)T)�__name__� __module__� __qualname__�__doc__�propertyr r r r r r r r r r r r r � classmethodr r$ r& r r r r r s@ r N)Zdjango.contrib.gisr r r r r r �<module> s
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__init__.cpython-39.pyc
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adapter.cpython-39.pyc
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features.cpython-39.pyc
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models.cpython-39.pyc
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operations.cpython-39.pyc
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