148 строки
4.2 KiB
Python
Исполняемый файл
148 строки
4.2 KiB
Python
Исполняемый файл
#!/usr/bin/env pytest
|
|
###############################################################################
|
|
# $Id$
|
|
#
|
|
# Project: GDAL/OGR Test Suite
|
|
# Purpose: Test gdal_proximity.py script
|
|
# Author: Frank Warmerdam <warmerdam@pobox.com>
|
|
#
|
|
###############################################################################
|
|
# Copyright (c) 2008, Frank Warmerdam <warmerdam@pobox.com>
|
|
# Copyright (c) 2010, Even Rouault <even dot rouault at spatialys.com>
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a
|
|
# copy of this software and associated documentation files (the "Software"),
|
|
# to deal in the Software without restriction, including without limitation
|
|
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
# and/or sell copies of the Software, and to permit persons to whom the
|
|
# Software is furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included
|
|
# in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
# DEALINGS IN THE SOFTWARE.
|
|
###############################################################################
|
|
|
|
import os
|
|
|
|
import pytest
|
|
import test_py_scripts
|
|
|
|
from osgeo import gdal
|
|
|
|
pytestmark = pytest.mark.skipif(
|
|
test_py_scripts.get_py_script("gdal_proximity") is None,
|
|
reason="gdal_proximity not available",
|
|
)
|
|
|
|
|
|
@pytest.fixture()
|
|
def script_path():
|
|
return test_py_scripts.get_py_script("gdal_proximity")
|
|
|
|
|
|
###############################################################################
|
|
# Test a fairly default case.
|
|
|
|
|
|
def test_gdal_proximity_1(script_path):
|
|
|
|
drv = gdal.GetDriverByName("GTiff")
|
|
dst_ds = drv.Create("tmp/proximity_1.tif", 25, 25, 1, gdal.GDT_Byte)
|
|
dst_ds = None
|
|
|
|
test_py_scripts.run_py_script(
|
|
script_path,
|
|
"gdal_proximity",
|
|
test_py_scripts.get_data_path("alg") + "pat.tif tmp/proximity_1.tif",
|
|
)
|
|
|
|
dst_ds = gdal.Open("tmp/proximity_1.tif")
|
|
dst_band = dst_ds.GetRasterBand(1)
|
|
|
|
cs_expected = 1941
|
|
cs = dst_band.Checksum()
|
|
|
|
dst_band = None
|
|
dst_ds = None
|
|
|
|
if cs != cs_expected:
|
|
print("Got: ", cs)
|
|
pytest.fail("got wrong checksum")
|
|
|
|
|
|
###############################################################################
|
|
# Try several options
|
|
|
|
|
|
def test_gdal_proximity_2(script_path):
|
|
|
|
test_py_scripts.run_py_script(
|
|
script_path,
|
|
"gdal_proximity",
|
|
"-q -values 65,64 -maxdist 12 -nodata -1 -fixed-buf-val 255 "
|
|
+ test_py_scripts.get_data_path("alg")
|
|
+ "pat.tif tmp/proximity_2.tif",
|
|
)
|
|
|
|
dst_ds = gdal.Open("tmp/proximity_2.tif")
|
|
dst_band = dst_ds.GetRasterBand(1)
|
|
|
|
cs_expected = 3256
|
|
cs = dst_band.Checksum()
|
|
|
|
dst_band = None
|
|
dst_ds = None
|
|
|
|
if cs != cs_expected:
|
|
print("Got: ", cs)
|
|
pytest.fail("got wrong checksum")
|
|
|
|
|
|
###############################################################################
|
|
# Try input nodata option
|
|
|
|
|
|
def test_gdal_proximity_3(script_path):
|
|
|
|
test_py_scripts.run_py_script(
|
|
script_path,
|
|
"gdal_proximity",
|
|
"-q -values 65,64 -maxdist 12 -nodata 0 -use_input_nodata yes "
|
|
+ test_py_scripts.get_data_path("alg")
|
|
+ "pat.tif tmp/proximity_3.tif",
|
|
)
|
|
|
|
dst_ds = gdal.Open("tmp/proximity_3.tif")
|
|
dst_band = dst_ds.GetRasterBand(1)
|
|
|
|
cs_expected = 1465
|
|
cs = dst_band.Checksum()
|
|
|
|
dst_band = None
|
|
dst_ds = None
|
|
|
|
if cs != cs_expected:
|
|
print("Got: ", cs)
|
|
pytest.fail("got wrong checksum")
|
|
|
|
|
|
###############################################################################
|
|
# Cleanup
|
|
|
|
|
|
def test_gdal_proximity_cleanup():
|
|
|
|
lst = ["tmp/proximity_1.tif", "tmp/proximity_2.tif", "tmp/proximity_3.tif"]
|
|
for filename in lst:
|
|
try:
|
|
os.remove(filename)
|
|
except OSError:
|
|
pass
|