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o �h�G � @ s d dl Z d dlZd dlZd dlZd dlmZmZmZmZm Z m Z m Z m Z d dl mZ d dlmZ d dlmZ d dlmZ d dlmZ d dlmZ d d lmZm Z m Z m Z m Z d d l m!Z!m"Z" d d l#m$Z$ d d l%m&Z&m'Z' d d l(m)Z) G dd� de*�Z+G dd� de�Z,dS )� N)� addressof�byref�c_buffer�c_char_p�c_double�c_int�c_void_p� string_at)�Path)�Driver)� GDALException)�raster��BandList)�GDALRasterBase)�GDAL_RESAMPLE_ALGORITHMS�VSI_DELETE_BUFFER_ON_READ�VSI_FILESYSTEM_PREFIX� VSI_MEM_FILESYSTEM_BASE_PATH�VSI_TAKE_BUFFER_OWNERSHIP)�SpatialReference� SRSException)� json_regex)� force_bytes� force_str)�cached_propertyc s\ e Zd Zdddd�Z� fdd�Zedd� �Zejd d� �Zed d � �Zejd d � �Z� Z S ) �TransformPoint)r � )� � )� � )�origin�scale�skewc sH |j | j| d }|j | j| d }t� �||g� || _|| _d S )Nr r )� geotransform�indices�super�__init__�_raster�_prop)�selfr �prop�x�y�� __class__� �X/usr/local/CyberCP/lib/python3.10/site-packages/django/contrib/gis/gdal/raster/source.pyr( * s zTransformPoint.__init__c C � | d S �Nr r1 �r+ r1 r1 r2 r- 1 � zTransformPoint.xc C �( | j j}||| j| j d < || j _d S r4 �r) r% r& r* �r+ �value�gtfr1 r1 r2 r- 5 � c C r3 �Nr r1 r5 r1 r1 r2 r. ; r6 zTransformPoint.yc C r7 r= r8 r9 r1 r1 r2 r. ? r< ) �__name__� __module__� __qualname__r& r( �propertyr- �setterr. � __classcell__r1 r1 r/ r2 r # s � r c sF e Zd ZdZejZd7dd�Z� fdd�Zdd� Z d d � Z d d � Z e d d� �Z edd� �Ze dd� �Zedd� �Ze dd� �Ze dd� �Ze dd� �Zejdd� �Ze d d � �Zejd d � �Ze d d � �Zejd!d � �Ze d"d#� �Ze d$d%� �Ze d&d'� �Ze d(d)� �Ze d*d+� �Z d8d.d/�Z d9d1d2�Z -d:d3d4�Z e d5d6� �Z � Z!S );� GDALRasterz0 Wrap a raster GDAL Data Source object. Fc C s� |rdnd| _ t�� t|t�rt�|�rt�|�}t|tt f�rXt|�}|� t �s6t j �|�s6td| ��z t�t|�| j �| _W d S tyW } ztd�||���d }~ww t|t�r�d| _ t�|�}t|�| _t j �ttt � � ��}t� t|�t | j�|t � z t�t|�| j �| _W d S ty� t�!t|�� td��w t|t"��r�d| _ t|�#dd��}|j$dkr�d|vr�td �|j$���d |vs�d |vr�td ��d |vr�td��g }|�#di ��%� D ]\}} d�|| �} |�&| �'� �(� � q�|�&d � t)t*|� |� }t�+|jt|�#dd��|d |d |�#dt*|�#dg ���|�#dd�t |��| _t,|�#dg ��D ]G\} } | j-| } d| v �rc| d | _.| j.d u�rcd| v�sZd| v �sZd| v �rc| j/| j.fdd� | j/| �#d�| �#d�| �#d�| �#d �d � �q2|�#d �| _0d |v �r�|d \| j1_2| j1_3d |v �r�|d \| j4_2| j4_3d |v �r�|d \| j5_2| j5_3d S d S t|t6��r�|| _d S td!�t7|����)"Nr r z(Unable to read raster source input "%s".z+Could not open the datasource at "{}" ({}).z1Failed creating VSI raster from the input buffer.�driver�MEM�namez5Specify name for creation of raster with driver "{}".�width�heightz;Specify width and height attributes for JSON or dict input.�sridz$Specify srid for JSON or dict input.� papsz_optionsz{}={}� � nr_of_bands�bands�datatype� � nodata_value�data�size�shape)r r )rR rT �offset)rR rS rT rU r" r# r$ z%Invalid data source input type: "{}".)8�_writer �ensure_registered� isinstance�strr �match�json�loadsr � startswithr �os�path�existsr �capi�open_dsr �_ptr�format�bytes�sys� getsizeofr � _ds_input�joinr �uuid�uuid4� create_vsi_file_from_mem_bufferr r �unlink_vsi_file�dict�getrG �items�append�upper�encoder �len� create_ds� enumeraterN rQ rR �srsr" r- r. r# r$ r �type)r+ �ds_input�write�errrS �vsi_pathrE rK �key�val�option�i� band_input�bandr1 r1 r2 r( M s� �� ��� � � ��� � � � �zGDALRaster.__init__c s$ | j r t�t| j�� t� �� d S �N)� is_vsi_basedra rm r rG r' �__del__r5 r/ r1 r2 r� � s zGDALRaster.__del__c C s | j S r� )rG r5 r1 r1 r2 �__str__� s zGDALRaster.__str__c C s dt t| j�� S )zJ Short-hand representation because WKB may be very large. z<Raster object at %s>)�hexr rc r5 r1 r1 r2 �__repr__� s zGDALRaster.__repr__c C s | j std��t�| j� dS )a Flush all data from memory into the source file if it exists. The data that needs flushing are geotransforms, coordinate systems, nodata_values and pixel values. This function will be called automatically wherever it is needed. z9Raster needs to be opened in write mode to change values.N)rV r ra �flush_dsrc r5 r1 r1 r2 �_flush� s �zGDALRaster._flushc C s@ | j r | j�t�s d S t� }t�t| j�t|�t �}t ||j �S r� ) r� rG r] r r ra � get_mem_buffer_from_vsi_filer r r r r: )r+ � out_length�datr1 r1 r2 � vsi_buffer� s � �� zGDALRaster.vsi_bufferc C s | j o| j�t�S r� )rc rG r] r r5 r1 r1 r2 r� s zGDALRaster.is_vsi_basedc C s t t�| j��S )zi Return the name of this raster. Corresponds to filename for file-based rasters. )r ra �get_ds_descriptionrc r5 r1 r1 r2 rG s zGDALRaster.namec C s t �| j�}t|�S )z> Return the GDAL Driver used for this raster. )ra � get_ds_driverrc r )r+ � ds_driverr1 r1 r2 rE s zGDALRaster.driverc C � t �| j�S )z+ Width (X axis) in pixels. )ra � get_ds_xsizerc r5 r1 r1 r2 rH � zGDALRaster.widthc C r� )z, Height (Y axis) in pixels. )ra � get_ds_ysizerc r5 r1 r1 r2 rI r� zGDALRaster.heightc C s: zt �| j�}|s W dS t|dd�W S ty Y dS w )zF Return the SpatialReference used in this GDALRaster. N�wkt)�srs_type)ra �get_ds_projection_refrc r r )r+ r� r1 r1 r2 rw & s �zGDALRaster.srsc C sP t |t�r|}nt |ttf�rt|�}ntd��t�| j|j� � � | � � dS )z� Set the spatial reference used in this GDALRaster. The input can be a SpatialReference or any parameter accepted by the SpatialReference constructor. z/Could not create a SpatialReference from input.N) rX r �intrY � ValueErrorra �set_ds_projection_refrc r� rs r� )r+ r: rw r1 r1 r2 rw 3 s c C s | j jS )zA Shortcut to access the srid of this GDALRaster. )rw rJ r5 r1 r1 r2 rJ C s zGDALRaster.sridc C s || _ dS )zE Shortcut to set this GDALRaster's srs from an srid. N)rw )r+ r: r1 r1 r2 rJ J � c C s$ t d � }t�| jt|�� t|�S )z� Return the geotransform of the data source. Return the default geotransform if it does not exist or has not been set previously. The default is [0.0, 1.0, 0.0, 0.0, 0.0, -1.0]. rP )r ra �get_ds_geotransformrc r �list)r+ r; r1 r1 r2 r% Q s zGDALRaster.geotransformc C sP t |�dkstdd� |D ��std��td |� }t�| jt|�� | �� dS )z)Set the geotransform for the data source.rP c s s � | ] }t |ttf�V qd S r� )rX r� �float)�.0r- r1 r1 r2 � <genexpr>` s � z*GDALRaster.geotransform.<locals>.<genexpr>z.Geotransform must consist of 6 numeric values.N) rt �allr� r ra �set_ds_geotransformrc r r� )r+ �valuesr1 r1 r2 r% ] s c C � t | d�S )z3 Coordinates of the raster origin. r" �r r5 r1 r1 r2 r" g r� zGDALRaster.originc C r� )z@ Pixel scale in units of the raster projection. r# r� r5 r1 r1 r2 r# n r� zGDALRaster.scalec C r� )z7 Skew of pixels (rotation parameters). r$ r� r5 r1 r1 r2 r$ u r� zGDALRaster.skewc C sp | j j| jj| j }| j j| jj| j }t|| j j�}t|| j j�}t|| j j�}t|| j j�}||||fS )zJ Return the extent as a 4-tuple (xmin, ymin, xmax, ymax). )r" r- r# rH r. rI �min�max)r+ �xval�yval�xmin�xmax�ymin�ymaxr1 r1 r2 �extent| s zGDALRaster.extentc C s t | �S r� r r5 r1 r1 r2 rN � r6 zGDALRaster.bands�NearestNeighbour� c C s |� d| j� |� d| j� |� d| jj� |� d| j� |� d| j� |� d| j� |� d| jj � d|vrB| j d | jj |d< d |vrO| j d � � |d < d d � | j D �|d< t |dd�}t | }t�| j| jj�� |j|jj�� |d|t� t� t� � |�� |S )a Return a warped GDALRaster with the given input characteristics. The input is expected to be a dictionary containing the parameters of the target raster. Allowed values are width, height, SRID, origin, scale, skew, datatype, driver, and name (filename). By default, the warp functions keeps all parameters equal to the values of the original source raster. For the name of the target raster, the name of the source raster will be used and appended with _copy. + source_driver_name. In addition, the resampling algorithm can be specified with the "resampling" input parameter. The default is NearestNeighbor. For a list of all options consult the GDAL_RESAMPLE_ALGORITHMS constant. rH rI rJ r" r# r$ rE rG �_copy.rO r c S s g | ]}d |j i�qS �rQ r� )r� �bndr1 r1 r2 � <listcomp>� s z#GDALRaster.warp.<locals>.<listcomp>rN T�rz r� )� setdefaultrH rI rw rJ r" r# r$ rE rG rN rO rD r ra �reproject_imagerc r� rs r r� )r+ ry � resampling� max_error�target� algorithmr1 r1 r2 �warp� s8 �zGDALRaster.warpNc C sr |r|}n| j jdkr| jd | j j }n tj�ttt�� ��}t t � | j j t |�| j t� t� t� t� �| jd�S )z"Return a clone of this GDALRaster.rF r� r� )rE rG r^ r_ ri r rY rj rk rD ra �copy_dsrc r r r r rV )r+ rG � clone_namer1 r1 r2 �clone� s" � �zGDALRaster.clonec C s� t | }t|t�r |}nt|ttf�rt|�}ntd��|j| jkr/|r*|| jjkr/| � |�S t � | j | j j�� |j�� ||t� �}t|�}|j|j|j|jj|jjg|jj|jjg|jj|jjgd�} |rj|| d< |rp|| d< | j| ||d�S )zk Return a copy of this raster reprojected into the given spatial reference system. zETransform only accepts SpatialReference, string, and integer objects.)rJ rH rI r" r# r$ rE rG )r� r� )r rX r r� rY � TypeErrorrJ rE rG r� ra �auto_create_warped_vrtrc rw r� rs r rD rH rI r" r- r. r# r$ r� ) r+ rw rE rG r� r� r� � target_srsr� rR r1 r1 r2 � transform� s> � �� zGDALRaster.transformc C s t �| jd��� S )z� Return information about this raster in a string format equivalent to the output of the gdalinfo command line utility. N)ra � get_ds_info�ptr�decoder5 r1 r1 r2 �info s zGDALRaster.info)F)r� r� r� )NNr� r� )"r> r? r@ �__doc__ra �close_ds� destructorr( r� r� r� r� rA r� r r� rG rE rH rI rw rB rJ r% r" r# r$ r� rN r� r� r� r� rC r1 r1 r/ r2 rD F sb = �5rD )-r[ r^ rf rj �ctypesr r r r r r r r �pathlibr � django.contrib.gis.gdal.driverr � django.contrib.gis.gdal.errorr �"django.contrib.gis.gdal.prototypesr ra �#django.contrib.gis.gdal.raster.bandr �#django.contrib.gis.gdal.raster.baser �$django.contrib.gis.gdal.raster.constr r r r r �django.contrib.gis.gdal.srsr r �django.contrib.gis.geometryr �django.utils.encodingr r �django.utils.functionalr r� r rD r1 r1 r1 r2 �<module> s$ ( #
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