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Refs #34572 -- Added missing GDAL_PIXEL_TYPES from GDAL 3.5+. 

Check out https://github.com/OSGeo/gdal/blob/6e9103bd5/gcore/gdal.h#L62
This commit is contained in:
Claude Paroz 2023-06-28 08:47:42 +02:00 committed by Mariusz Felisiak
parent 21e6864715
commit 7af455a402
2 changed files with 37 additions and 17 deletions
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21
django/contrib/gis/gdal/raster/const.py
View File

@ -1,7 +1,18 @@
"""
GDAL - Constant definitions
"""
from ctypes import c_double, c_float, c_int16, c_int32, c_ubyte, c_uint16, c_uint32
from ctypes import (
c_double,
c_float,
c_int8,
c_int16,
c_int32,
c_int64,
c_ubyte,
c_uint16,
c_uint32,
c_uint64,
)
# See https://gdal.org/api/raster_c_api.html#_CPPv412GDALDataType
GDAL_PIXEL_TYPES = {
@ -17,10 +28,13 @@ GDAL_PIXEL_TYPES = {
9: "GDT_CInt32", # Complex Int32
10: "GDT_CFloat32", # Complex Float32
11: "GDT_CFloat64", # Complex Float64
12: "GDT_UInt64", # 64 bit unsigned integer (GDAL 3.5+).
13: "GDT_Int64", # 64 bit signed integer (GDAL 3.5+).
14: "GDT_Int8", # 8 bit signed integer (GDAL 3.7+).
}
# A list of gdal datatypes that are integers.
GDAL_INTEGER_TYPES = [1, 2, 3, 4, 5]
GDAL_INTEGER_TYPES = [1, 2, 3, 4, 5, 12, 13, 14]
# Lookup values to convert GDAL pixel type indices into ctypes objects.
# The GDAL band-io works with ctypes arrays to hold data to be written
@ -39,6 +53,9 @@ GDAL_TO_CTYPES = [
None,
None,
None,
c_uint64,
c_int64,
c_int8,
]
# List of resampling algorithms that can be used to warp a GDALRaster.

33
docs/ref/contrib/gis/gdal.txt
View File

@ -1648,11 +1648,9 @@ blue.
.. method:: datatype(as_string=False)
The data type contained in the band, as an integer constant between 0
(Unknown) and 11. If ``as_string`` is ``True``, the data type is
returned as a string with the following possible values:
``GDT_Unknown``, ``GDT_Byte``, ``GDT_UInt16``, ``GDT_Int16``,
``GDT_UInt32``, ``GDT_Int32``, ``GDT_Float32``, ``GDT_Float64``,
``GDT_CInt16``, ``GDT_CInt32``, ``GDT_CFloat32``, and ``GDT_CFloat64``.
(Unknown) and 14. If ``as_string`` is ``True``, the data type is
returned as a string. Check out the "GDAL Pixel Type" column in the
:ref:`datatype value table <gdal-raster-datatype>` for possible values.
.. method:: color_interp(as_string=False)
@ -1796,23 +1794,28 @@ Key Default Usage
name starts with ``/vsimem/``, the raster is created in GDAL's virtual
filesystem.
.. _gdal-raster-datatype:
.. object:: datatype
Integer representing the data type for all the bands. Defaults to ``6``
(Float32). All bands of a new raster are required to have the same datatype.
The value mapping is:
===== =============== ===============================
===== =============== ===================================
Value GDAL Pixel Type Description
===== =============== ===============================
1 GDT_Byte Eight bit unsigned integer
2 GDT_UInt16 Sixteen bit unsigned integer
3 GDT_Int16 Sixteen bit signed integer
4 GDT_UInt32 Thirty-two bit unsigned integer
5 GDT_Int32 Thirty-two bit signed integer
6 GDT_Float32 Thirty-two bit floating point
7 GDT_Float64 Sixty-four bit floating point
===== =============== ===============================
===== =============== ===================================
1 GDT_Byte 8 bit unsigned integer
2 GDT_UInt16 16 bit unsigned integer
3 GDT_Int16 16 bit signed integer
4 GDT_UInt32 32 bit unsigned integer
5 GDT_Int32 32 bit signed integer
6 GDT_Float32 32 bit floating point
7 GDT_Float64 64 bit floating point
12 GDT_UInt64 64 bit unsigned integer (GDAL 3.5+)
13 GDT_Int64 64 bit signed integer (GDAL 3.5+)
14 GDT_Int8 8 bit signed integer (GDAL 3.7+)
===== =============== ===================================
.. object:: nr_of_bands