118 строки
4.1 KiB
Python
Исполняемый файл
118 строки
4.1 KiB
Python
Исполняемый файл
#!/usr/bin/env pytest
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# -*- coding: utf-8 -*-
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###############################################################################
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# $Id$
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#
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# Project: GDAL/OGR Test Suite
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# Purpose: gdal_pansharpen testing
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# Author: Even Rouault <even.rouault at spatialys.com>
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#
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###############################################################################
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# Copyright (c) 2015, Even Rouault <even.rouault at spatialys.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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###############################################################################
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import pytest
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import test_py_scripts
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from osgeo import gdal
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pytestmark = pytest.mark.skipif(
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test_py_scripts.get_py_script("gdal_pansharpen") is None,
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reason="gdal_pansharpen not available",
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)
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@pytest.fixture()
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def script_path():
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return test_py_scripts.get_py_script("gdal_pansharpen")
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###############################################################################
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# Simple test
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def test_gdal_pansharpen_1(script_path):
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src_ds = gdal.Open(test_py_scripts.get_data_path("gdrivers") + "small_world.tif")
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src_data = src_ds.GetRasterBand(1).ReadRaster()
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gt = src_ds.GetGeoTransform()
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wkt = src_ds.GetProjectionRef()
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src_ds = None
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pan_ds = gdal.GetDriverByName("GTiff").Create("tmp/small_world_pan.tif", 800, 400)
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gt = [gt[i] for i in range(len(gt))]
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gt[1] *= 0.5
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gt[5] *= 0.5
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pan_ds.SetGeoTransform(gt)
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pan_ds.SetProjection(wkt)
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pan_ds.GetRasterBand(1).WriteRaster(0, 0, 800, 400, src_data, 400, 200)
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pan_ds = None
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test_py_scripts.run_py_script(
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script_path,
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"gdal_pansharpen",
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" tmp/small_world_pan.tif "
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+ test_py_scripts.get_data_path("gdrivers")
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+ "small_world.tif tmp/out.tif",
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)
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ds = gdal.Open("tmp/out.tif")
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cs = [ds.GetRasterBand(i + 1).Checksum() for i in range(ds.RasterCount)]
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ds = None
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gdal.GetDriverByName("GTiff").Delete("tmp/out.tif")
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assert cs in ([4735, 10000, 9742], [4731, 9991, 9734]) # s390x or graviton2
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###############################################################################
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# Full options
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def test_gdal_pansharpen_2(script_path):
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test_py_scripts.run_py_script(
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script_path,
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"gdal_pansharpen",
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" -q -b 3 -b 1 -bitdepth 8 -threads ALL_CPUS -spat_adjust union -w 0.33333333333333333 -w 0.33333333333333333 -w 0.33333333333333333 -of VRT -r cubic tmp/small_world_pan.tif "
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+ test_py_scripts.get_data_path("gdrivers")
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+ "small_world.tif,band=1 "
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+ test_py_scripts.get_data_path("gdrivers")
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+ "small_world.tif,band=2 "
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+ test_py_scripts.get_data_path("gdrivers")
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+ "small_world.tif,band=3 tmp/out.vrt",
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)
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ds = gdal.Open("tmp/out.vrt")
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cs = [ds.GetRasterBand(i + 1).Checksum() for i in range(ds.RasterCount)]
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ds = None
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gdal.GetDriverByName("VRT").Delete("tmp/out.vrt")
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assert cs in ([9742, 4735], [9734, 4731]) # s390x or graviton2
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###############################################################################
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# Cleanup
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def test_gdal_pansharpen_cleanup():
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gdal.GetDriverByName("GTiff").Delete("tmp/small_world_pan.tif")
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