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CHANGES.txt
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Changes
=======
1.3.0 (TBD)
-----------
1.3a4 (2022-04-20)
------------------
Deprecations:
- The precision keyword arguments of methods in rasterio.transform,
rasterio.windows, and rasterio.merge are unused and will be removed in
version 2.0. The --precision option of rio-merge is similarly deprecated
(#2432).
- The rasterio.path module will be removed in version 1.4 and a deprecation
warning is issued when the module is imported (#2423).
New features:
- Datasets have a new statistics method that computes the minimum, maximum,
mean, and standard deviation of a raster band's data, matching the output of
gdalinfo (#2441).
- The rio-warp CLI command now takes --wo (--warper-option) and --to
(--transformer-option) options, allowing the use of PROJ coordinate
transformation pipelines like "--to coordinate_operation=proj=pipeline"
(#2438).
Changes:
- The Python file VSI plugin is now created and installed at the same time
other GDAL drivers are registered (#2435).
- Various optimizations for sample_gen() (#2338).
- Update Cython property declarations to modern style (#2316).
- The rasterio.path module has been moved to rasterio._path and all its member
made private (#2423). A new version of rasterio.path temporarily provides
aliases to maintain compatibility.
Bug fixes:
- Rasterio's warper is fixed such that it can support reprojection to a
specific dataset band (#2369).
- Erroneously overlapping slices (reported in #2378) are now prevented by
ensuring that slice indexes with negative values are set to zero (#2434).
- Prevent erroneous sign flip in a south-up dataset's res property (#2370).
- Allow DatasetReader and DatasetWriter to take string filenames and URLs
(#2426).
- Support for compound EPSG CRS has been added (#2425).
- Z coordinates are no longer ignored when transforming using RPCs (#2422).
- Integer overflow errors in CRS.from_epsg are caught and CRSError is raised
(#2395).
1.3a3 (2022-02-04)
------------------
New features:
- The CRS class has been added to rasterio.__all__.
- Python file objects and file-like objects from, for example, fsspec are
adapted for opening to get a dataset without copying file data to a
MemoryFile (#2141).
Bug fixes:
- Fix bug in usage of numpy 1.14 (#2377).
- rasterio.open returns a dataset accessor and never a
contextlib._GeneratorContextManager for all kinds of input (#2360).
- Fix the "adjust" keyword argument of rasterio.plot.show (#2359).
- Preserve origin when scaling in creating a WarpedVRT (#2364).
- Exceptions are no longer raised for a category of errors emitted from
warp-related GDAL functions (#2353).
- Enable unsafe casting for copyto in the merge tool (#2265).
Packaging:
Wheels for 1.3a3 are built using the version of rasterio-wheels dated
2022-02-04. Library versions include GDAL 3.4.1, PROJ 8.2.1, and GEOS 3.10.2.
1.3a2 (2021-10-19)
------------------
New features:
- The InMemoryRaster class in rasterio._io has been removed and replaced by a
more direct and efficient wrapper around numpy arrays (#2301).
- Add support for PROJ JSON based interchange for CRS (#2212).
CRS.to_dict(proj_json=True) returns a PROJ JSON style dict and CRS.from_dict()
will accept a PROJ JSON style dict. PROJ JSON text is accepted by
CRS.from_user_input().
1.3a1 (2021-10-14)
------------------
Note: building from source now requires Cython (#2016).
New features:
- More efficient window intersection and union (#2164).
- New Affine, GCP, and RFC transformer classes (#2225).
- Add support for enum and tuple type creation options (#2102)
Bug fixes:
- Standardize rounding of window lengths and offsets to match GDAL (#2311).
- Allow addition of subdatasets to GPKG rasters opened in "w" mode with the
APPEND_SUBDATASET creation option (#2300).
- WarpedVRT: Remove deprecated dst_* parameters (#2197).
- Add GDAL DLL directory to DLL search path on Windows and Python >= 3.8.
DLLs will be loaded from .libs (for wheels) or from directories in PATH
environment variable.
- Add version to CRS.to_wkt() for WKT2 support (#2122).
1.2.10 (2021-10-11)
-------------------
- Raise WarpOperationError if ChunkAndWarp* do not succeed instead of silently
failing to write to the warp output dataset (#2305).
1.2.9 (2021-10-01)
------------------
- Compute geometry_window more accurately and tightly for rotated rasters,
fixing a regression introduced in 1.2.1 (#2303).
- Copy mask to destination in rio-clip and rio-convert (#2232).
- Use a default 70% confidence threshold when matching CRS to definitions in
authority files (#2293). The confidence threshold can be defined when calling
to_epsg and to_authority, which partially addressed the issue reported in
#2290.
1.2.8 (2021-09-09)
------------------
- Correct for the sense of OCTTransform's return value (#2287).
- Fix a regression in the rasterio.transform module's xy and rowcol functions
(#2283).
1.2.7 (2021-09-07)
------------------
- CRS objects are now compared to the EPSG authority using OSRFindMatches for
compatibility with GDAL 3.3.2 (#2279).
- Allow open's fp keyword argument to pass the credential decorator (#2267).
- Fix a copy-paste bug in features.geometry_window() affecting Y-axis padding
(#2266).
- Note upcoming deprecation of the height and width parameters of
rasterio.windows.from_bounds() and stop using these parameters in project
code and tests.
- The transform.xy and transform.rowcol functions now return a pair of
single-element lists if passed a pair of single-element lists. This was the
original behavior, but was broken in version 1.2.1 (#2242).
1.2.6 (2021-06-22)
------------------
- Replace the defective 1.2.5 sdist, which had breakpoint in merge.py. This did
not affect wheels.
1.2.5 (2021-06-21)
------------------
- Change rio-warp to unrotate imagery by default to match gdalwarp (#2125).
- Internal to write() cast int8 arrays to uint8 (#2180).
- Get correct nodata values for complex_int16 data (#2206).
- Prevent merge failures due to window and slicing mismatches (#2204 and
#2202).
1.2.4 (2021-05-31)
------------------
- Eliminate unneeded marker for CLI nodata options to be ignored. We will stick
with None (#2191).
- Guard against use of gauss resampling when creating a WarpedVRT (#2190).
- Prevent segfaults when buffer and band indexes are mismatched in
io_multi_band and io_multi_mask (#2189).
- Change comparisons of nodata to IgnoreOption to accomodate changes in click
8.0.
- Use Window constructor instead of from_slices in windows.union to allow a
proper union to be formed from windows extending outside a dataset (#2186).
- Read GDAL CInt16 data as np.complex64 and allow saving complex data to CInt16
(#2185).
- Skip merge sources which do not overlap the destination.
- Allow unsafe casting in the merge tool, restoring behavior of version 1.2.0
(#2179).
- Remove a workaround for an old Python 3.4 bug from the BoundingBox
implementation (#2172).
- Add setuptools as an explicit installation requirement.
1.2.3 (2021-04-26)
------------------
- Change usage of super() to be Python 3 compatible only.
- Use numpy.isclose instead of equals when merging float data (fixes #2163).
- The restriction on resampling methods available to overviews has been made
more clear with the addition of a not-yet-public _OverviewResampling enum
(#2157).
- Fix a regression introduced in 1.2.2: from_bounds() can again return Windows
of zero height or width.
- Search for GDAL data in installed packages is done before searching in
built-in locations when entering an Env, as is already done when importing
rasterio.env.
1.2.2 (2021-04-06)
------------------
- Add a --nodata option to rio-clip to help support the relative complement use
case (#2087).
- Remove boundless keyword argument from WarpedVRT method signatures (#2084).
- Implement the advertised intent of warp.reproject's src_crs parameter. It can
override the source's crs (#2036).
- A regression in the merge tool's min and max methods has been fixed (#2145).
- windows.from_bounds raises WindowError when the given bounds and transform are
inconsistent with each other (#2138).
- Support for GDAL's "sum" resampling algorith has been added (#2137).
- Cython and numpy versions are pinned in pyproject.toml. Numpy versions
correspond to scipy's oldest supported versions for Python versions 3.6-3.10.
- GDAL data path is configured in env.py with set_gdal_config (#2139).
- AWS sessions are not created for pre-signed URLs (#2133).
1.2.1 (2021-03-03)
------------------
- Cast rio-calc's nodata option before filling rasters (#2110).
- The rio-clip command only works on rasters with rectilinear geo transforms.
This is noted in the command's help and an error will be raised if the
requirement is not met (#2115).
- Support for geotransforms with rotation in Window.from_bounds and
feature.geometry_window has been added (#2112).
- Fix an off-by-one error in the merge tool (#2106, #2109).
1.2.0 (2021-01-25)
------------------
Note well: Python versions before 3.6 are no longer supported by this project.
New features:
- Binary wheels on PyPI include PROJ 7.2.1 and GDAL 3.2.1.
- Support for Azure Blob Storage using an "az" URI scheme.
- Support for RPCs and coordinate transformations and raster warping with RPCs.
- dst_path and dst_kwds parameters for rasterio's merge tool allow results to
be written directly to a dataset.
- In "w" mode the driver keyword argument of open() may be omitted.
- transform_geom() has been optimized for sequences of geometries.
Bug fixes since 1.2b4:
- Fix dataset constructor so that tiled=False does the right thing (#2085).
- Allow WarpedVRT to default to using a source dataset's GCPs for
georeferencing (#2086).
- Ensure that error handling environment is closed only after its dataset
object is closed, preventing confusing error messages (#2088).
- Ensure WarpedVRT dataset objects are closed properly when exiting contexts
(#2093).
1.2b4 (2021-01-20)
------------------
- The CRS definition saved in RGB.byte.tif has been updated so that it is
identified as precisely EPSG:32618 by GDAL 3.2.1 (#2083).
- Remove non-breaking hyphens accidentally added to README, open the file with
encoding="utf-8" when reading the description so that future UTF-8 chars
don't break package setup.
1.2b3 (2021-01-11)
------------------
- Search for PROJ data in the module before searching system locations (#2080).
1.2b2 (2021-01-10)
------------------
- Emit a warning to the Python logger when a metadata item can't be decoded to
a Python unicode object (#2078).
- Use language_level=3 Cython directive for all .pyx sources (#2077).
- Deprecated usage of numpy.ndarray.tostring() has been changed to use
tobytes().
1.2b1 (2020-12-13)
------------------
- Remove compat module and future namespace imports (#2067).
- A bug in construction of requester pays AWS sessions has been fixed (#2062).
- Support for the "rms" resampling method in a future version of GDAL has been
added (#2056).
1.2a1 (2020-12-03)
------------------
- Support for Azure Blob Storage using an "az" URI scheme has been added
(#1906).
- Support for RPCs and coordinate transformations and raster warping with RPCs
has been added (#1845, #1922, #2029, #2030, #2031).
- Add dst_path and dst_kwds parameters to rasterio's merge tool to allow
results to be written directly to a dataset (#1867).
- Rasterio's merge tool can now accept Paths as input (#2043).
- A bug in accessing public Alibaba Cloud data has been fixed (#2018).
- In "w" mode the driver keyword argument of open() may be omitted, in which
case the driver will be determined by the file extension of the first
positional argument (#2008).
- The transform_geom has been optimized for sequences of geometries (#1827).
1.1.8 (2020-10-20)
------------------
- Multipolyons passed to rasterize are flattened to avoid holes in output
(#2014).
- If the certifi package can be imported, its certificate store location will
be passed to GDAL during import of rasterio._env unless CURL_CA_BUNDLE is
already set (#2009).
1.1.7 (2020-09-29)
------------------
- Add missing methods needed to determine whether GDAL treats a CRS as lat/long
or northing/easting (#1943).
- Wrap calls to GDALChecksumImage so that errors set by GDAL are propagated to
Python as a RasterioIOError.
- Raise RasterioDeprecationWarning when a dataset opened in modes other than
'r' is given to the WarpedVRT constructor.
- Base RasterioDeprecationWarning on FutureWarning, following the
recommendation of PEP 565.
- Fix a segmentation fault that occurs when a WarpedVRT closes after the
dataset it references has been previously closed (#2001).
- Add resampling option to merge and rio-merge (#1996).
1.1.6 (2020-09-14)
------------------
- Remove background layer from boundless VRT (#1982). It's not needed since
fixes in GDAL after 3.1.3. Wheels on PyPI for rasterio 1.1.6 will patch GDAL
2.4.4 to fix those GDAL issues.
- Clean up VSI files left by MemoryFileBase, resolving #1953.
- Do not pass empty coordinate arrays to warp._transform to avoid crashes with
some versions of GDAL as reported in #1952. Instead, directly return empty
output arrays.
- Properly convert block size `--co` option values to int in rio-clip and
rio-warp to prevent exceptions reported in #1989.
- Fail gracefully when rio-convert lacks an input file (#1985).
- Allow merge.merge() to open one dataset at a time (#1831).
- Optimize CRS.__eq__() for CRS described by EPSG codes.
- Fix bug in ParsedPath.is_remote() reported in #1967.
- The reproject() method accepts objects that provide `__array__` in addition
to instances of numpy.ndarray (#1957, #1959).
- Custom labels may be used with show_hist() by giving the `label` keyword
argument a sequence of label strings, one per band.
1.1.5 (2020-06-02)
------------------
- Earlier versions of rasterio set the CHECK_WITH_INVERT_PROJ config option to
`True` by default. This is very rarely necessary and broke the GRIB format
driver (#1248), so we no longer set this option (#1942). Users of rasterio
1.1.5 in combination with GDAL 1.11 and PROJ 4.8 may see some small
differences, compared to rasterio versions < 1.1.5, in results of warping
global datasets.
- WarpedVRT can properly handle two use cases that weren't ruled out in version
1.1.4: simple scaling of datasets and control over the scaling of reprojected
output (#1921, #1936).
- The error in making boundless reads of datasets opened using the
OVERVIEW_LEVEL reported in #1929 has been resolved by #1939.
- The pixel shift in reads from datasets reported in the user discussion group
and #1932, has been fixed (#1938).
- We have extended the signature of merge's method function (#1933).
- The MemoryFile implementation has been improved so that it can support
multi-part S3 downloads (#1926).
- Members of the Resampling enum with a value > 7 can only be used in warp
operations (#1930). We now raise a ResamplingAlgorithmError if they are used
with non-warp read and writes.
- To help users of poetry, the conditional requirements in setup.py have been
changed to use PEP 496 environment markers exclusively (#1777).
1.1.4 (2020-05-07)
------------------
Bug fixes:
- Raise a more helpful exception when asked to open a dataset in write mode
using a read-only driver (#1919).
- Missing support for geometry collections in the rasterio.features module
(#1914) has been fixed (#1915).
- Support for the int8 data type has been extended to the InMemoryRaster class
(#1880).
- rasterio.plot.show_hist caused a Python 3.8 syntax warning. This was fixed by
#1874.
- Make the strict intersection in rio-clip optional with a --with-complement
option (#1907).
- Add a new as_vsi() method to the Path class for internal use and improve
Windows path handling and tests thereof (#1895).
1.1.3 (2020-02-24)
------------------
Bug fixes:
- Raise RasterioIOError when errors occur while creating a dataset (#1796).
- Filter more categories of invalid features in rasterize (#1815).
- Fall back to use of a DummySession instead of failing when boto3 isn't
available (#1864).
- A crashing bug involving boundless reads of VRTs (#1863) has been fixed.
- The required transform argument of windows.from_bounds() was changed from a
positional arg to a keyword arg in commit 361112e but no guard against the
default value of None was added (#1857). The function now raises WindowError
if no transform is given.
- dataset_mask returned in some cases an array with dtype "int64" (#1856). This
bug was introduced in 1.1.2 and has been fixed.
1.1.2 (2019-12-18)
------------------
Bug fixes:
- Sampling of WarpedVRT datasets was broken in version in 1.1.1 (#1833) and has
been fixed.
- The missing out_dtype keyword argument has been added to
WarpedVRTReaderBase.read() (#1849).
- The missing --format option has been added to rio-calc (#1846).
- Reduce all the band masks when computing the dataset mask. Previously we had
missed the last band.
- PR #1842 makes sure that rio-calc's cleanup doesn't fail due to unbound
variables.
- The conflict between the --bbox/--feature/--collection and
--sequence/--collection option of rio-bounds (#1807) has been fixed by
removing "collection" from the possible JSON type options.
- Increase default precision for the merge tool from 7 to 10 (#1837).
- Allow rio-clip and rio-convert to overwrite output files (#1836).
- Allow src_crs parameter to fully override the source dataset's CRS (#1808).
Packaging notes:
- The wheels on PyPI now include the base (version 1.8) PROJ datum grids and
are thus a few MB larger in size.
1.1.1 (2019-11-13)
------------------
Bug fixes:
- Calling a dataset's sample method with coordinates outside the extent of a
dataset with a nodata value of None has raised a TypeError (#1822). Now, it
gives the values we would get from a boundless read of the dataset's values.
- Use new set_proj_search_path() function to set the PROJ data search path. For
GDAL versions before 3.0 this sets the PROJ_LIB environment variable. For
GDAL version 3.0 this calls OSRSetPROJSearchPaths(), which overrides
PROJ_LIB (#1823).
- Check for header.dxf file instead of pcs.csv when looking for installed GDAL
data. The latter is gone with GDAL 3.0 but the former remains (#1823).
- RGB rasters are now properly displayed by rasterio.plot.show (#1650).
Notes:
- The wheels on PyPI include GDAL 2.4.3 with a patch that addresses the
multithreading issue reported in #1828.
1.1.0 (2019-10-07)
------------------
There have been no changes since 1.1b3.
1.1b3 (2019-10-03)
------------------
Bug fixes:
- A regression in WarpedVRT creation (#1799) has been fixed. This required
implementation of GDALDatasetH reference counting in DatasetBase.stop().
1.1b2 (2019-10-02)
------------------
Bug fixes:
- When built from the official source distribution rasterio 1.1b1 would not
import due to the omission of _transform.c from the list of extension sources
in setup.py. This has been fixed.
1.1b1 (2019-10-01)
------------------
Deprecations:
- Support for Python 2 is deprecated and a warning is raised from the
rasterio.compat module. This module will be deleted in a future version.
New features:
- Added a new ``tag_namespaces()`` method datasets that returns names of
metadata namespaces that can be passed to the existing ``tags()`` method
(#1740).
- Zoom levels can be automatically computed by rio-overview (#511).
- An alternative endpoint for S3-compatible network storage can now be set when
creating an instance of AWSSession (#1779). See GDAL's documentation of its
AWS_S3_ENDPOINT configuration option for more details.
- The merge tool has a new ``method`` keyword argument that can be used to
override the default painter's algorithm. It takes an alternative method name
as a string or a callable. Please see the merge tool docstring for the
callable's signature (#1500).
- A new ``rasterio.transform.from_gcps()`` function returns the Affine matrix
that is a best fit to given ground control points (#1749).
Bug fixes:
- Handle the AWS extension mentioned in #1159. Note that this does not enable
writing directly to S3.
- A syntax error in the specification of a Python version marker for enum34 in
requirements.txt has been fixed.
- Several cases of memory leaks involving temporary in-memory datasets have
been fixed. The rasterio test suite now runs without leaving any datasets
open.
- The default mode for dataset sharing has been switch from ``sharing=True`` to
``sharing=False`` to better serve development of multithreaded applications
(#1775).
- Tests of rasterizing invalid shapes now catch the warnings about shape
skipping.
Other:
- The AUTHORS file has been updated and is now sorted by name (first name
first) or GitHub username.
1.0.28 (2019-09-09)
-------------------
- Coercion to ``int`` was forgotten in the block size guard introduced in
1.0.27 and code that passes string valued ``blockxsize`` and ``blockysize``
keyword arguments to ``rasterio.open()`` was broken (#1769). This has been
fixed in 1.0.28.
1.0.27 (2019-09-05)
-------------------
- Resolve #1744 by adding a ``dtype`` keyword argument to the WarpedVRT
constructor. It allows a user to specify the working data type for the warp
operation and output.
- All cases of deprecated affine right multiplication have been changed to be
forward compatible with affine 3.0. The rasterio tests now pass without
warnings.
- The coordinate transformer used in _base._transform() is now properly
deleted, fixing the memory leak reported in #1713.
- An unavoidable warning about 4-channel colormap entries in
DatasetWriterBase.write_colormap() has been removed.
- All deprecated imports of abstract base classes for collections have been
corrected, eliminating the warnings reported in #1742 and #1764.
- DatasetWriterBase no longer requires that GeoTIFF block sizes be smaller than
the raster size (#1760). Block sizes are however checked to ensure that they
are multiples of 16.
- DatasetBase.is_tiled has been made more reliable, fixing #1376.
- Tests have been added to demonstrate that image corruption when writing
block-wise to an image with extra large block sizes (#520) is no longer an
issue.
1.0.26 (2019-08-26)
-------------------
- Allow `nan` to be used as fill for float32 datasets in ``rasterize`` (#1761).
- A WarpedVRTs destination crs now will default to ``src_crs`` if given, else
to the crs of the source dataset (#1755).
- Prevent open's ``sharing`` keyword argument from being pass on to GDAL as a
dataset opening option for create-copy formats like JPEG and PNG (#1758).
- Allow complex datasets to be created with a specified nodata value (#1747).
- Several Python deprecation warnings have been eliminated (#1742).
- When a MemoryFile is opened in write mode, a TypeError will be raised if
integer width and height are not given, fixing #1748.
- Return False when checking equality with objects incompatible with
``CRS.from_user_input()`` (#1719)
- Support CRS.from_user_input with other CRS object with ``to_wkt()`` method
(#1718)
1.0.25 (2019-08-06)
-------------------
- In ``features.rasterize()``, a shape with an associated value of ``None`` is
now burned in using the function's ``fill`` value and no longer triggers a
TypeError (#1738).
- Instances of pytest's tmp_path fixture in tests/test_dataset.py have been
replaced by instances of the older style tmpdir fixture (#1697).
- Add support for using GDAL 3.x and PROJ 6 libraries (#1700, #1729). Please
note that new features of GDAL 3 and PROJ 6 are not intended to surface.
Geometries and coordinates returned from rasterio keep to the traditional GIS
axis order used by GDAL versions < 3. To do this, rasterio applies a new
private extension function named osr_set_traditional_axis_mapping_strategy to
every OGRSpatialReferenceH object that will be returned from methods in the
_CRS module. Please also note that the binary wheels uploaded to PyPI for
1.0.25 will include GDAL 2.4, *not* GDAL 3.0.
- We were using pytest incorrectly and pytest 5 caught us doing it. This is
now fixed in commit b9f34ee.
- A bug preventing creation of Env instances, and thus dataset opening, when
AWS credentials exist in the environment but boto3 is unavailable has been
fixed (#1708).
1.0.24 (2019-06-05)
-------------------
- By default GDAL reuses existing dataset connections when possible.
Multi-threaded programs must avoid this as must programs that re-open
datasets in a different context, such as the overview-seeking program shown
in issue #1504. The sharing keyword argument of rasterio.open() was supposed
to allow users to disable connection reuse on a case-by-case basis, but the
implementation was faulty and connection reuse persisted (#1701). This has
been fixed in PR #1704.
1.0.23 (2019-05-15)
-------------------
- Break rio-calc output into chunks of user-specified size to constrain the
amount of memory used (#1668).
- Attempts to set attributes of datasets opened in "r" mode now raise a custom
DatasetAttributeError. This exception derives from both RasterioError and
NotImplementedError, which maintains backwards compatibility (#1676).
- Block sizes are no longer guarded when creating untiled datasets (#1689).
- CRS objects are now hashable and equivalent CRS objects have the same hash
value (#1684).
- Allow AWS regions to be specified no matter the signing of requests (#1670).
- Add links to API documentation from the Python quickstart guide.
- Use "CRS.from_epsg({})" instead of "CRS.from_dict(init='epsg:{}')" as the
representation for CRS objects that are completely described by an EPSG code.
- Use GDAL's string parsing to get metadata item keys and values, which
accommodates uncommon "KEY:VALUE" forms.
1.0.22 (2019-03-20)
-------------------
- Add JPEG2000 to enums.Compression so that the compression of JP2 files can be
reported (#1654).
- Remove mock import from compat and move to test code (#1651).
1.0.21 (2019-02-28)
-------------------
- Fix for bug in implementation of the pickle protocol and added support for
Python's copy protocol (#1643).
1.0.20 (2019-02-27)
-------------------
- Fix for an unchecked NULL pointer introduced in 1.0.19 that could result in
segmentation fault on import of rasterio._env on Linux when GDAL data files
are not available (for example, with wheels as on PyPI).
1.0.19 (2019-02-26)
-------------------
- Do not set GDAL_DATA and PROJ_LIB when data files can be found at their built
in locations (#1631).
- Add linear_units property to CRS (#1638).
- Ensure that AWS_NO_SIGN_REQUESTS is sufficient for accessing public S3
datasets and that import of boto3 is not required (#1637).
- An out_dtype parameter has been added to DatasetReaderBase.read, enabling
on-the-fly casting of raster values to the desired type (#1637). This uses
the same latent feature used to get support for "int8" data.
- Restore pickle protocol for CRS, using WKT as state (#1625).
- Support for signed 8-bit integer datasets ("int8" dtype) has been added
(#1595).
1.0.18 (2019-02-07)
-------------------
- Fix a regression reported in #1623.
1.0.17 (2019-02-05)
-------------------
- Fix a regression in evaluation of CRS equality (#1620).
1.0.16 (2019-02-04)
-------------------
- A bug preventing GCPs from being created with new BufferedDatasetWriter
instances (#1600) has been fixed (#1610).
- A previously unreported bug preventing BufferedDatasetWriters from being
opened in r+ mode has been fixed.
- A regression in creating CRS objects from PROJ4 strings that include
"+wktext" (#1609) has been fixed.
- Regressions in str representations of empty CRS objects and the handling of
unreferenced datasets in rasterio._base have been fixed (#1616).
- GDAL seems to work best if GDAL_DATA is set as early as possible. Ideally it
is set when building the library or in the environment before importing
Rasterio, but for wheels we patch GDAL_DATA into os.environ when rasterio.env
is imported. This resolves #1611.
1.0.15 (2019-01-27)
-------------------
- Google cloud storage support was *not* in fact added in 1.0.14, but is
present in 1.0.15.
1.0.14 (2019-01-22)
-------------------
- The _CRS class has been refactored so that a WKT representation, rather than
PROJ4 representation, is the canonical form. This resolves issues #1397 and
#1587 specifically, and an entire category of issues discussed in
https://rasterio.groups.io/g/dev/message/68.
- Native support for Google Cloud Storage using "gs://" URLs has been added
(#1577).
- On entering a dataset context (DatasetBase.__enter__) a new anonymous GDAL
environment is created if needed and is entered. This makes `with
rasterio.open(...) as dataset:` roughly equivalent to `with
rasterio.open(...) as dataset, Env():`. This helps prevent bugs when datasets
are created and then used later or are used in different scopes.
1.0.13 (2018-12-14)
-------------------
- Fix a buffer dttype mismatch on Windows introduced in 1.0.12 (#1579).
1.0.12 (2018-12-10)
-------------------
- Rasterio's lower level I/O functions now take Py_ssize_t index arrays and
will raise exceptions for type mismatches instead of swallowing the
exceptions (#1076).
- The _boundless_vrt_doc function's background layer no longer needs an
in-memory dataset and the performance regression noted in #1499 has been
reversed. We've also found a performance improvement in masked boundless
reads in the case that the source data is entirely valid.
- The signature of the private _boundless_vrt_doc function in rasterio.vrt has
changed. Its background keyword argument now takes an int or float, a new
masked keyword argument has been added, and the function returns a unicode
str instead of ascii-encoded bytes.
- The copy and copyfiles functions of rasterio.shutil now raise an exception
when the source and destination paths identify the same dataset (#1569).
1.0.11 (2018-11-30)
-------------------
- Prevent needless warning when making boundless reads with a fill value
(#1499).
- The GDAL band cache is flushed at the top of build_overviews to fix #1497.
- Options --gdal-data and --proj-data have been added to the rio-env command so
that users of Rasterio wheels can get paths to set GDAL_DATA and PROJ_LIB
environment variables.
- The attempt to make GDAL and PROJ support file discovery and configuration
automatic within methods of the CRS class has been reverted. Users must
execute such code inside a `with Env()` block or set the GDAL_DATA and
PROJ_LIB environment variables needed by GDAL.
1.0.10 (2018-11-16)
-------------------
- Avoid segmentation fault when OSRGetAuthority* functions return null
pointers, making Rasterio more robust when reading CRS that don't map
perfectly to PROJ.
- Ensure that GDAL and PROJ support files can be found in Rasterio wheels when
we call CRS methods (#1539).
- Accomodate the Esri flavor of projection WKT (#1537).
- Add missing raster offsets and scales properties (#1527).
1.0.9 (2018-10-25)
------------------
Bug fixes:
- Delegate test of the environment for existing session credentials to the
session class to generalize credentialization of GDAL to cloud providers
other than AWS (#1520). The env.hascreds function is no longer used in
Rasterio and has been marked as deprecated.
- Switch to use of botocore Credentials.get_frozen_credentials (#1521).
- Numpy masked arrays with the normal Numpy mask sense (True == invalid) are
now supported as input for feature.shapes(). The mask keyword argument of the
function keeps to the GDAL sense of masks (nonzero == invalid) and the
documentation has been improved to communicate this (#1517).
- The defaults for WarpedVRT's `src_nodata` and `nodata` keyword arguments are
no longer None, but are markers for the default behavior: inheritance of
nodata values from the VRT's source dataset. Values of `None` for these
keyword arguments means that the VRT does not inherit from the source and has
no nodata value at all (#1503).
- WEBP has been added to the Compression enum. Exploitation of this new
compression mode will require GDAL 2.4.
- Rasterio now check for two AWS environment variables before creating a
session (#1494).
- The ensure_env_with_credentials decorator which wraps rasterio.open will no
longer clobber the credentials in a surrounding environment or seek
credentials when they already exist (#1507).
- The comparison of CRS objects to dicts and strs that we pledged to remove at
1.0 has at last been removed (#1492).
1.0.8 (2018-10-02)
------------------
Bug fixes:
- Datasets contained in MemoryFile buffers are now opened in r+ or w+ mode
instead of r or w.
- The namedtuple _asdict method is overridden in BoundingBox to work around a
bug in Python 3.4.3 (#1486, #1488). This unblocks creation of manylinux1
wheels for Python 3.4.
1.0.7 (2018-09-26)
------------------
Bug fixes:
- Use the non-resolving path form of files_inout_arg in rio-convert and
rio-shapes (#999).
- Filling the empty regions of boundless reads was too slow in some cases and
a faster solution has been found (#1480).
- Require cligj>=0.5 for compatibility with click 7.0.
- Precisely specify CLI option and argument names for click 6.x and 7.0
compatibility.
1.0.6 (2018-09-24)
------------------
Bug fixes:
- If the build_overviews method of a dataset is passed a list of factors that
specify more than one 1x1 pixel overview (#1333), Rasterio raises an
exception.
- Calling calculate_default_transform for large extents should no longer result
in the out of memory error reported in #1131. The rio-warp command should
also now run more quickly and with a smaller memory footprint.
- We have a more general fix for the problem of filling the empty regions of
boundless reads (#1471).
1.0.5 (2018-09-19)
------------------
Bug fixes:
- The fill value for boundless reads was ignored in Rasterio versions 1-1.0.4
but now applies (#1471).
- An invalid shortcut has been eliminated and Rasterio now produces a proper
mask in the boundless masked read case (#1449).
- Loss of a row or column in geometry_window() and mask() has been fixed
(#1472).
1.0.4 (2018-09-17)
------------------
Bug fixes:
- Boundless reads of datasets without a coordinate reference system have been
fixed (#1448).
- A y-directional error in disjoint_bounds (#1459) has been fixed.
- Prevent geometries from being thrown near projection singularities (#1446).
- Missing --aws-no-sign-requests and --aws-requester-pays options added to
the main rio command (#1460).
- Add missing bilinear, cubic spline, lanczos resampling modes for overviews
(#1457).
- Raise ValueError if get_writer_for_driver() is called without a driver
name.
- Windows are now frozen so that they are hashable (#1452).
Refactoring:
- Use of InMemoryRaster eliminates redundant code in the _warp module (#1427,
#816).
- Generalize sessions to support cloud providers other than AWS (#1429).
1.0.3.post1 (2018-09-07)
------------------------
This version corrects errors made in building binary wheels for 1.0.3. There
are no bug fixes or new features in this version.
1.0.3 (2018-08-01)
Bug fixes:
- A regression in GeoJSON source handling in rio-rasterize (#1425) has been
fixed.
- Rasterization of linear rings (#1431) is now supported.
- The input file handler of rio-rasterize has been changed so that it does not
reject GeoJSON files (#1425).
- Linear rings have been added as acceptable input for rio-rasterize and other
commands and functions (#1431).
1.0.2 (2018-07-27)
------------------
Bug fixes:
- The output of calculate_default_transform() can be fixed to output dimensions
as well as to output resolution (#1409).
- In using rio-warp, the --src-bounds option can now override the bounds of the
source dataset when --dimensions is used (#1419).
- Bounds of rotated rasters are now calculated correctly (#1422).
- A band indexing bug in reproject() (#1350) has been fixed (#1424).
1.0.1 (2018-07-23)
------------------
Bug fixes:
- Bounding envelopes are densified at higher precision in transform_bounds to
fix #1411.
- Add LERC compression to enums.Compression (#1412).
- The reproject() function now passes dst_alpha properly to _reproject(), which
unlocks materialization of warp destination alpha band masks (#1417).
- The --dimensions and --src-bounds options of rio-warp can be used together
as expected (#1418).
1.0.0 (2018-07-12)
------------------
There have been no changes since release candidate 5.
1.0rc5 (2018-07-09)
-------------------
- C source files are now generated using Cython 0.28.3, which gives us support
for Python 3.7 (#1404, #1405).
1.0rc4 (2018-07-05)
-------------------
- An integer overflow when multiplying the warp memory limit (#1401) has been
fixed.
1.0rc3 (2018-07-03)
-------------------
- CRS based EPSG codes can now report that code using a new `to_epsg()` method
(#1288).
- A regression in rasterio.warp.reproject has been reported (#1395), confirmed,
and fixed.
1.0rc2 (2018-06-29)
-------------------
Deprecation:
- The rasterio.vfs module has been removed.
- Reading array data or masks from datasets opened in "w" mode is prohibited.
- Property set_* methods of datasets have been removed. The appropriate
properties should be used instead. For example, ``dataset.crs = "EPSG:4326"``
instead of ``dataset.set_crs("EPSG:4326")``.
- Rasterio ignores creation options saved in the metadata of datasets
by Rasterio versions < 1.0b1.
1.0rc1 (2018-06-27)
-------------------
Bug fixes:
- Internal Env() in `rasterio.open` has been replaced with an environment
ensuring decorator (#1009). The same decorator ensures that credentials are
obtained when functions from `rasterio.shutils` are called.
- Input file arguments for all CLI commands are now parsed and validated in
a uniform manner (#999).
- Local loggers have all been changed to `getLogger(__name__)` in rasterio.rio
module (#1328).
1.0b4 (2018-06-23)
------------------
Bug fixes:
- We now raise an exception when WarpedVRT is asked to add an alpha band and
one already exists for the VRT.
1.0b3 (2018-06-21)
------------------
Bug fixes:
- The warp memory limit configuration available in gdalwarp has been added
to `reproject()` and `WarpedVRT`.
- Avoid boundless reads when sampling pixels outside a dataset's extent
(#1249).
- The logic behind rio-warp's --target-aligned-pixels has been factored into
a new `aligned_target()` function in the warp module to help resolve
#853.
- A regression in the VSI path of some zip:// URLs has been fixed (#1377).
- Transform, coordinate reference system, and ground control points are
properly set when opening a dataset in w+ mode (#1359.
1.0b2 (2018-06-19)
------------------
Breaking changes:
- `boundless=True` reads from warped VRTs are disallowed. Instead, VRTs should
be constructed so that only data bounded by their extents is read. In
exchange, boundless reads for non-VRT datasets are faster and more robust.
Upcoming deprecations:
- Comparison of CRS objects to str or dict is deprecated.
New features:
- Added `out`, `out_shape`, `window`, `resampling` keyword parameters to
the `dataset_mask` method (#1298).
- CRS.from_string can now take WKT strings as input.
Bug fixes:
- Tests have been added to confirm that reading from a WarpedVRT will use the
source dataset's masks and overviews.
- Expectations of warp tests that use resampling algorithms other than nearest
neighbor have been corrected.
- WarpedVRT.crs now returns a CRS, not a str.
- A Windows-crashing bug in the _warp module has been fixed (#1356).
1.0b1 (2018-05-25)
------------------
Breaking changes: