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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2010, 2011.
# Author(s):
# Martin Raspaud <martin.raspaud@smhi.se>
# This file is part of mpop.
# mpop is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
# mpop is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along with
# mpop. If not, see <http://www.gnu.org/licenses/>.
"""Module for testing the :mod:`mpop.instruments.visir` module.
"""
import random
import unittest
import numpy as np
import mpop.instruments.visir
import mpop.scene
from mpop.imageo import geo_image
def patch_scene():
"""Patch the :mod:`mpop.scene` module to avoid using it in these tests.
"""
class FakeChannel(object):
"""FakeChannel class.
"""
def __init__(self, val):
self.data = val
self.area = None
def check_range(self):
"""Dummy check_range function.
"""
return self.data
class FakeSatscene(object):
"""Fake SatelliteInstrumentScene.
"""
__version__ = "fake"
def __init__(self):
self.channels = None
self.area = None
self.time_slot = None
def check_channels(self, *args):
"""Dummy check_channels function.
"""
self.channels = args
def __getitem__(self, key):
return FakeChannel(key)
mpop.scene.OldSatelliteInstrumentScene = mpop.scene.SatelliteInstrumentScene
mpop.scene.SatelliteInstrumentScene = FakeSatscene
reload(mpop)
reload(mpop.instruments)
reload(mpop.instruments.visir)
def unpatch_scene():
"""Unpatch the :mod:`mpop.scene` module.
"""
mpop.scene.SatelliteInstrumentScene = mpop.scene.OldSatelliteInstrumentScene
delattr(mpop.scene, "OldSatelliteInstrumentScene")
reload(mpop)
reload(mpop.instruments)
reload(mpop.instruments.visir)
def patch_geo_image():
"""Patch the :mod:`imageo.geo_image` module to avoid using it in these
tests.
"""
class FakeGeoImage:
"""FakeGeoImage class.
"""
def __init__(self, *args, **kwargs):
self.args = args
self.kwargs = kwargs
def enhance(self, **kwargs):
"""Dummy enhance function.
"""
self.kwargs.update(kwargs)
def clip(self):
"""Dummy clip function.
"""
pass
geo_image.OldGeoImage = geo_image.GeoImage
geo_image.GeoImage = FakeGeoImage
def unpatch_geo_image():
"""Unpatch the :mod:`imageo.geo_image` module.
"""
geo_image.GeoImage = geo_image.OldGeoImage
delattr(geo_image, "OldGeoImage")
class TestComposites(unittest.TestCase):
"""Class for testing the composites.
"""
def setUp(self):
"""Setup stuff.
"""
patch_geo_image()
patch_scene()
self.scene = mpop.instruments.visir.VisirCompositer(mpop.scene.SatelliteInstrumentScene())
def test_channel_image(self):
"""Test channel_image.
"""
chn = random.random()
img = self.scene.channel_image(chn)
self.assertEquals(chn, img.args[0])
self.assertEquals(img.kwargs["stretch"], "crude")
self.assertEquals(img.kwargs["mode"], "L")
self.assertEquals(img.kwargs["fill_value"], 0)
self.assertTrue("crange" not in img.kwargs)
def test_overview(self):
"""Test overview.
"""
img = self.scene.overview()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertEquals(img.args[0], (0.635, 0.85, -10.8))
self.assertEquals(img.kwargs["stretch"], "crude")
self.assertEquals(img.kwargs["gamma"], 1.6)
self.assertTrue("crange" not in img.kwargs)
#self.assertEquals(self.scene.overview.prerequisites,
# set([0.635, 0.85, 10.8]))
def test_airmass(self):
"""Test airmass.
"""
img = self.scene.airmass()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertTrue(np.allclose(np.array(img.args[0]),
np.array((-0.6, -1.1, 6.7))))
self.assertEquals(img.kwargs["crange"], ((-25, 0),
(-40, 5),
(243, 208)))
self.assertTrue("gamma" not in img.kwargs)
self.assertTrue("stretch" not in img.kwargs)
#self.assertEquals(self.scene.airmass.prerequisites, set([6.7, 7.3,
# 9.7, 10.8]))
# def test_vis06(self):
# """Test vis06.
# """
# img = self.scene.vis06()
# self.assertEquals(0.6, img.args[0])
# self.assertEquals(img.kwargs["mode"], "L")
# self.assertEquals(img.kwargs["fill_value"], 0)
# self.assertEquals(img.kwargs["stretch"], "crude")
# self.assertTrue("gamma" not in img.kwargs)
# self.assertTrue("crange" not in img.kwargs)
# #self.assertEquals(self.scene.vis06.prerequisites,
# # set([0.635]))
# def test_ir108(self):
# """Test ir108.
# """
# img = self.scene.ir108()
# self.assertEquals(10.8, img.args[0])
# self.assertEquals(img.kwargs["mode"], "L")
# self.assertEquals(img.kwargs["fill_value"], 0)
# self.assertEquals(img.kwargs["crange"], (-70 + 273.15, 57.5 + 273.15))
# self.assertEquals(img.kwargs["inverse"], True)
# self.assertTrue("gamma" not in img.kwargs)
# self.assertTrue("stretch" not in img.kwargs)
# #self.assertEquals(self.scene.ir108.prerequisites,
# # set([10.8]))
# def test_wv_high(self):
# """Test wv_high.
# """
# img = self.scene.wv_high()
# self.assertEquals(6.7, img.args[0])
# self.assertEquals(img.kwargs["mode"], "L")
# self.assertEquals(img.kwargs["fill_value"], 0)
# self.assertEquals(img.kwargs["stretch"], "linear")
# self.assertEquals(img.kwargs["inverse"], True)
# self.assertTrue("gamma" not in img.kwargs)
# self.assertTrue("crange" not in img.kwargs)
# #self.assertEquals(self.scene.wv_high.prerequisites,
# # set([6.7]))
# def test_wv_low(self):
# """Test wv_low.
# """
# img = self.scene.wv_low()
# self.assertEquals(7.3, img.args[0])
# self.assertEquals(img.kwargs["mode"], "L")
# self.assertEquals(img.kwargs["fill_value"], 0)
# self.assertEquals(img.kwargs["stretch"], "linear")
# self.assertEquals(img.kwargs["inverse"], True)
# self.assertTrue("gamma" not in img.kwargs)
# self.assertTrue("crange" not in img.kwargs)
# #self.assertEquals(self.scene.wv_low.prerequisites,
# # set([7.3]))
def test_natural(self):
"""Test natural.
"""
img = self.scene.natural()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertEquals(img.args[0], (1.63, 0.85, 0.635))
self.assertEquals(img.kwargs["crange"], ((0, 90),
(0, 90),
(0, 90)))
self.assertEquals(img.kwargs["gamma"], 1.8)
self.assertTrue("stretch" not in img.kwargs)
#self.assertEquals(self.scene.natural.prerequisites,
# set([0.635, 0.85, 1.63]))
# def test_green_snow(self):
# """Test green_snow.
# """
# img = self.scene.green_snow()
# self.assertEquals(img.kwargs["mode"], "RGB")
# self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
# self.assertEquals(img.args[0], (1.63, 0.85, -10.8))
# self.assertEquals(img.kwargs["stretch"], "crude")
# self.assertEquals(img.kwargs["gamma"], 1.6)
# self.assertTrue("crange" not in img.kwargs)
# #self.assertEquals(self.scene.green_snow.prerequisites,
# # set([1.63, 0.85, 10.8]))
# def test_red_snow(self):
# """Test red_snow.
# """
# img = self.scene.red_snow()
# self.assertEquals(img.kwargs["mode"], "RGB")
# self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
# self.assertEquals(img.args[0], (0.635, 1.63, -10.8))
# self.assertEquals(img.kwargs["stretch"], "crude")
# self.assertTrue("crange" not in img.kwargs)
# self.assertTrue("gamma" not in img.kwargs)
# #self.assertEquals(self.scene.red_snow.prerequisites,
# # set([1.63, 0.635, 10.8]))
def test_convection(self):
"""Test convection.
"""
img = self.scene.convection()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertEquals(img.args[0],(6.7 - 7.3, 3.75 - 10.8, 1.63 - 0.635))
self.assertEquals(img.kwargs["crange"], ((-30, 0),
(0, 55),
(-70, 20)))
self.assertTrue("gamma" not in img.kwargs)
self.assertTrue("stretch" not in img.kwargs)
#self.assertEquals(self.scene.convection.prerequisites,
# set([0.635, 1.63, 3.75, 6.7, 7.3, 10.8]))
def test_dust(self):
"""Test dust.
"""
img = self.scene.dust()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertEquals(img.args[0], (12.0 - 10.8, 10.8 - 8.7, 10.8))
self.assertEquals(img.kwargs["crange"], ((-4, 2),
(0, 15),
(261, 289)))
self.assertEquals(img.kwargs["gamma"], (1.0, 2.5, 1.0))
self.assertTrue("stretch" not in img.kwargs)
#self.assertEquals(self.scene.dust.prerequisites,
# set([8.7, 10.8, 12.0]))
def test_ash(self):
"""Test ash.
"""
img = self.scene.ash()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertEquals(img.args[0], (12.0 - 10.8, 10.8 - 8.7, 10.8))
self.assertEquals(img.kwargs["crange"], ((-4, 2),
(-4, 5),
(243, 303)))
self.assertTrue("gamma" not in img.kwargs)
self.assertTrue("stretch" not in img.kwargs)
#self.assertEquals(self.scene.ash.prerequisites,
# set([8.7, 10.8, 12.0]))
def test_fog(self):
"""Test fog.
"""
img = self.scene.fog()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertEquals(img.args[0], (12.0 - 10.8, 10.8 - 8.7, 10.8))
self.assertEquals(img.kwargs["crange"], ((-4, 2),
(0, 6),
(243, 283)))
self.assertEquals(img.kwargs["gamma"], (1.0, 2.0, 1.0))
self.assertTrue("stretch" not in img.kwargs)
#self.assertEquals(self.scene.fog.prerequisites,
# set([8.7, 10.8, 12.0]))
def test_night_fog(self):
"""Test night_fog.
"""
img = self.scene.night_fog()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertEquals(img.args[0], (12.0 - 10.8, 10.8 - 3.75, 10.8))
self.assertEquals(img.kwargs["crange"], ((-4, 2),
(0, 6),
(243, 293)))
self.assertEquals(img.kwargs["gamma"], (1.0, 2.0, 1.0))
self.assertTrue("stretch" not in img.kwargs)
#self.assertEquals(self.scene.night_fog.prerequisites,
# set([3.75, 10.8, 12.0]))
def test_cloud_top(self):
"""Test cloud_top.
"""
img = self.scene.cloudtop()
self.assertEquals(img.kwargs["mode"], "RGB")
self.assertEquals(img.kwargs["fill_value"], (0, 0, 0))
self.assertEquals(img.args[0], (-3.75, -10.8, -12.0))
self.assertTrue("crange" not in img.kwargs)
self.assertTrue("gamma" not in img.kwargs)
self.assertEquals(img.kwargs["stretch"], (0.005, 0.005))
#self.assertEquals(self.scene.cloudtop.prerequisites,
# set([3.75, 10.8, 12.0]))
def tearDown(self):
unpatch_scene()
unpatch_geo_image()
if __name__ == '__main__':
unittest.main()
|
