def cut_positions(filename, blurred, *positions):
blurred = int(blurred)
pos = eval("".join(positions))
root, is_new = nc.open(filename)
lat = nc.getvar(root, 'lat')
lon = nc.getvar(root, 'lon')
data = nc.getvar(root, 'data')
time = nc.getvar(root, 'time')
root_cut, is_new = nc.open('cut_positions.' + filename)
timing_d = nc.getdim(root_cut, 'timing', data.shape[0])
northing_d = nc.getdim(root_cut, 'northing', len(pos))
easting_d = nc.getdim(root_cut, 'easting', 2)
lat_cut = nc.getvar(root_cut, 'lat', 'f4', ('northing','easting',),4)
lon_cut = nc.getvar(root_cut, 'lon', 'f4', ('northing','easting',),4)
data_cut = nc.getvar(root_cut, 'data', 'f4', ('timing','northing','easting',),4)
time_cut = nc.getvar(root_cut, 'time', 'f4', ('timing',),4)
time_cut[:] = time[:]
for i in range(len(pos)):
show("\rCutting data: processing position %d / %d " % (i+1, len(pos)))
x, y = search_position(pos[i], lat, lon)
lat_cut[i,0] = lat[x,y]
lon_cut[i,0] = lon[x,y]
data_cut[:,i,0] = np.apply_over_axes(np.mean, data[:,x-blurred:x+blurred,y-blurred:y+blurred], axes=[1,2])
lat_cut[i,1], lon_cut[i,1], data_cut[:,i,1] = lat_cut[i,0], lon_cut[i,0], data_cut[:,i,0]
nc.close(root)
nc.close(root_cut)
def cut_positions(filename, blurred, *positions):
blurred = int(blurred)
pos = eval("".join(positions))
root = nc.open(filename)[0]
lat = nc.getvar(root, 'lat')
lon = nc.getvar(root, 'lon')
data = nc.getvar(root, 'data')
root_cut = nc.clonefile(root, 'cut_positions.' + filename, ['lat', 'lon', 'data'])[0]
nc.getdim(root_cut, 'northing_cut', len(pos))
nc.getdim(root_cut, 'easting_cut', 2)
lat_cut = nc.getvar(root_cut, 'lat', 'f4', ('northing_cut','easting_cut',),4)
lon_cut = nc.getvar(root_cut, 'lon', 'f4', ('northing_cut','easting_cut',),4)
data_cut = nc.getvar(root_cut, 'data', 'f4', ('timing','northing_cut','easting_cut',),4)
ix = 0
for i in range(len(pos)):
show("\rCutting data: processing position %d / %d " % (i+1, len(pos)))
x, y = statistical_search_position(pos[i], lat, lon)
if x and y:
lat_cut[ix,0] = lat[x,y]
lon_cut[ix,0] = lon[x,y]
data_cut[:,ix,0] = np.apply_over_axes(np.mean, data[:,x-blurred:x+blurred,y-blurred:y+blurred], axes=[1,2]) if blurred > 0 else data[:,x,y]
lat_cut[ix,1], lon_cut[ix,1], data_cut[:,ix,1] = lat_cut[ix,0], lon_cut[ix,0], data_cut[:,ix,0]
ix += 1
nc.close(root)
nc.close(root_cut)
def test_compact_multiple_files(self):
t_root = nc.tailor("unittest0*.nc", dimensions=self.dimensions)
t_data = nc.getvar(t_root, "data")
data = nc.getvar(t_root.root, "data")
self.assertEquals(data.shape, (5, 100, 200))
self.assertEquals(t_data.shape, (3, 40, 160))
self.assertEquals(nc.getvar(t_root, "time").shape, (3, 1))
self.assertTrue((t_data[:] == data[:3, 10:50, 20:-20]).all())
# The random values goes from 2.5 to 10 with 0.5 steps.
t_data[:] = 1.5
self.assertTrue((t_data[:] == 1.5).all())
self.assertTrue((data[:3, 10:50, 20:-20] == 1.5).all())
self.assertTrue((data[:] != 1.5).any())
nc.close(t_root)
with nc.loader("unittest0*.nc") as root:
data = nc.getvar(root, "data")
self.assertTrue((data[:3, 10:50, 20:-20] == 1.5).all())
self.assertTrue((data[:] != 1.5).any())
def test_compact_multiple_files(self):
t_root = nc.tailor('unittest0*.nc', dimensions=self.dimensions)
t_data = nc.getvar(t_root, 'data')
data = nc.getvar(t_root.root, 'data')
self.assertEquals(data.shape, (5, 100, 200))
self.assertEquals(t_data.shape, (3, 40, 160))
self.assertEquals(nc.getvar(t_root, 'time').shape, (3, 1))
self.assertTrue((t_data[:] == data[:3, 10:50, 20:-20]).all())
# The random values goes from 2.5 to 10 with 0.5 steps.
t_data[:] = 1.5
self.assertTrue((t_data[:] == 1.5).all())
self.assertTrue((data[:3, 10:50, 20:-20] == 1.5).all())
self.assertTrue((data[:] != 1.5).any())
nc.close(t_root)
with nc.loader('unittest0*.nc') as root:
data = nc.getvar(root, 'data')
self.assertTrue((data[:3, 10:50, 20:-20] == 1.5).all())
self.assertTrue((data[:] != 1.5).any())
def test_file_with_readonly_restriction(self):
# check the file is NOT read only.
filename = "unittest00.nc"
can_write = os.access(filename, os.W_OK)
self.assertTrue(can_write)
# check if open an existent file.
root = nc.tailor("unittest00.nc", dimensions=self.dimensions, read_only=True)
self.assertEquals(root.files, ["unittest00.nc"])
self.assertEquals(root.pattern, "unittest00.nc")
self.assertEquals(len(root.roots), 1)
self.assertFalse(root.is_new)
self.assertTrue(root.read_only)
with self.assertRaisesRegexp(Exception, u"NetCDF: Write to read only"):
var = nc.getvar(root, "data")
var[:] = 0
# check if close an existent file.
nc.close(root)
with self.assertRaisesRegexp(RuntimeError, u"NetCDF: Not a valid ID"):
nc.close(root)
def test_multiple_files_with_readonly_restriction(self):
# check the files are NOT read only.
filenames = map(lambda i: "unittest0%i.nc" % i, range(5))
can_write = map(lambda f: os.access(f, os.W_OK), filenames)
self.assertTrue(all(can_write))
# check if open the pattern selection using using a package instance.
root = nc.tailor("unittest0*.nc", dimensions=self.dimensions, read_only=True)
self.assertEquals(root.files, ["unittest0%i.nc" % i for i in range(5)])
self.assertEquals(root.pattern, "unittest0*.nc")
self.assertEquals(len(root.roots), 5)
self.assertFalse(root.is_new)
self.assertTrue(root.read_only)
with self.assertRaisesRegexp(Exception, u"NetCDF: Write to read only"):
var = nc.getvar(root, "data")
var[:] = 0
# check if close the package with all the files.
nc.close(root)
with self.assertRaisesRegexp(RuntimeError, u"NetCDF: Not a valid ID"):
nc.close(root)
def test_simple_file(self):
root = nc.open("unittest00.nc")[0]
t_root = nc.tailor(root, dimensions=self.dimensions)
t_data = nc.getvar(t_root, "data")
data = nc.getvar(root, "data")
self.assertEquals(data.shape, (1, 100, 200))
self.assertEquals(t_data.shape, (1, 40, 160))
self.assertEquals(nc.getvar(t_root, "time").shape, (1,))
self.assertTrue((t_data[:] == data[:3, 10:50, 20:-20]).all())
# The random values goes from 2.5 to 10 with 0.5 steps.
t_data[:] = 1.5
nc.sync(t_root)
self.assertTrue((t_data[:] == 1.5).all())
self.assertTrue((data[:3, 10:50, 20:-20] == 1.5).all())
# self.assertTrue((data[:] != 1.5).any())
nc.close(t_root)
with nc.loader("unittest00.nc") as root:
data = nc.getvar(root, "data")
self.assertTrue((data[:3, 10:50, 20:-20] == 1.5).all())
def test_simple_file(self):
root = nc.open('unittest00.nc')[0]
t_root = nc.tailor(root, dimensions=self.dimensions)
t_data = nc.getvar(t_root, 'data')
data = nc.getvar(root, 'data')
self.assertEquals(data.shape, (1, 100, 200))
self.assertEquals(t_data.shape, (1, 40, 160))
self.assertEquals(nc.getvar(t_root, 'time').shape, (1, ))
self.assertTrue((t_data[:] == data[:3, 10:50, 20:-20]).all())
# The random values goes from 2.5 to 10 with 0.5 steps.
t_data[:] = 1.5
nc.sync(t_root)
self.assertTrue((t_data[:] == 1.5).all())
self.assertTrue((data[:3, 10:50, 20:-20] == 1.5).all())
# self.assertTrue((data[:] != 1.5).any())
nc.close(t_root)
with nc.loader('unittest00.nc') as root:
data = nc.getvar(root, 'data')
self.assertTrue((data[:3, 10:50, 20:-20] == 1.5).all())
def test_getvar_with_incomplete_limited_dimensions(self):
self.dimensions.pop("time", None)
root = nc.open("unittest0*.nc")[0]
t_root = nc.tailor(root, dimensions=self.dimensions)
t_data = nc.getvar(t_root, "data")
data = nc.getvar(root, "data")
nc.sync(root)
self.assertEquals(data.shape, (5, 100, 200))
self.assertEquals(t_data.shape, (5, 40, 160))
self.assertEquals(nc.getvar(t_root, "time").shape, (5, 1))
self.assertTrue((t_data[:] == data[:, 10:50, 20:-20]).all())
# The random values goes from 2.5 to 10 with 0.5 steps.
t_data[:] = 1.5
self.assertTrue((t_data[:] == 1.5).all())
self.assertTrue((data[:, 10:50, 20:-20] == 1.5).all())
self.assertTrue((data[:] != 1.5).any())
nc.close(t_root)
with nc.loader("unittest0*.nc") as root:
data = nc.getvar(root, "data")
self.assertTrue((data[:, 10:50, 20:-20] == 1.5).all())
self.assertTrue((data[:] != 1.5).any())
def test_file_with_readonly_restriction(self):
# check the file is NOT read only.
filename = 'unittest00.nc'
can_write = os.access(filename, os.W_OK)
self.assertTrue(can_write)
# check if open an existent file.
root = nc.tailor('unittest00.nc',
dimensions=self.dimensions,
read_only=True)
self.assertEquals(root.files, ['unittest00.nc'])
self.assertEquals(root.pattern, 'unittest00.nc')
self.assertEquals(len(root.roots), 1)
self.assertFalse(root.is_new)
self.assertTrue(root.read_only)
with self.assertRaisesRegexp(Exception, u'NetCDF: Write to read only'):
var = nc.getvar(root, 'data')
var[:] = 0
# check if close an existent file.
nc.close(root)
with self.assertRaisesRegexp(RuntimeError, u'NetCDF: Not a valid ID'):
nc.close(root)
def test_getvar_with_incomplete_limited_dimensions(self):
self.dimensions.pop('time', None)
root = nc.open('unittest0*.nc')[0]
t_root = nc.tailor(root, dimensions=self.dimensions)
t_data = nc.getvar(t_root, 'data')
data = nc.getvar(root, 'data')
nc.sync(root)
self.assertEquals(data.shape, (5, 100, 200))
self.assertEquals(t_data.shape, (5, 40, 160))
self.assertEquals(nc.getvar(t_root, 'time').shape, (5, 1))
self.assertTrue((t_data[:] == data[:, 10:50, 20:-20]).all())
# The random values goes from 2.5 to 10 with 0.5 steps.
t_data[:] = 1.5
self.assertTrue((t_data[:] == 1.5).all())
self.assertTrue((data[:, 10:50, 20:-20] == 1.5).all())
self.assertTrue((data[:] != 1.5).any())
nc.close(t_root)
with nc.loader('unittest0*.nc') as root:
data = nc.getvar(root, 'data')
self.assertTrue((data[:, 10:50, 20:-20] == 1.5).all())
self.assertTrue((data[:] != 1.5).any())
def test_multiple_files_with_readonly_restriction(self):
# check the files are NOT read only.
filenames = map(lambda i: 'unittest0%i.nc' % i, range(5))
can_write = map(lambda f: os.access(f, os.W_OK), filenames)
self.assertTrue(all(can_write))
# check if open the pattern selection using using a package instance.
root = nc.tailor('unittest0*.nc',
dimensions=self.dimensions,
read_only=True)
self.assertEquals(root.files, ['unittest0%i.nc' % i for i in range(5)])
self.assertEquals(root.pattern, 'unittest0*.nc')
self.assertEquals(len(root.roots), 5)
self.assertFalse(root.is_new)
self.assertTrue(root.read_only)
with self.assertRaisesRegexp(Exception, u'NetCDF: Write to read only'):
var = nc.getvar(root, 'data')
var[:] = 0
# check if close the package with all the files.
nc.close(root)
with self.assertRaisesRegexp(RuntimeError, u'NetCDF: Not a valid ID'):
nc.close(root)
def cut_projected_linke(filename):
root, is_new = nc.open(filename)
lat = nc.getvar(root, 'lat')
lon = nc.getvar(root, 'lon')
data = nc.getvar(root, 'data')
time = nc.getvar(root, 'time')
root_cut, is_new = nc.open('wlinke.' + filename)
timing_d = nc.getdim(root_cut, 'timing', data.shape[0])
northing_d = nc.getdim(root_cut, 'northing', data.shape[1])
easting_d = nc.getdim(root_cut, 'easting', data.shape[2])
lat_cut = nc.getvar(root_cut, 'lat', 'f4', ('northing','easting',),4)
lon_cut = nc.getvar(root_cut, 'lon', 'f4', ('northing','easting',),4)
data_cut = nc.getvar(root_cut, 'data', 'f4', ('timing','northing','easting',),4)
time_cut = nc.getvar(root_cut, 'time', 'f4', ('timing',),4)
lat_cut[:] = lat[:]
lon_cut[:] = lon[:]
data_cut[:] = data[:]
time_cut[:] = time[:]
linke.cut_projected(root_cut)
nc.close(root)
nc.close(root_cut)
def cut_projected_terrain(filename):
from libs.dem import dem
root = nc.open(filename)[0]
lat = nc.getvar(root, 'lat')
lon = nc.getvar(root, 'lon')
data = nc.getvar(root, 'data')
time = nc.getvar(root, 'data_time')
root_cut = nc.open('wterrain.' + filename)[0]
nc.getdim(root_cut, 'timing', data.shape[0])
nc.getdim(root_cut, 'northing', data.shape[1])
nc.getdim(root_cut, 'easting', data.shape[2])
lat_cut = nc.getvar(root_cut, 'lat', 'f4', ('northing','easting',),4)
lon_cut = nc.getvar(root_cut, 'lon', 'f4', ('northing','easting',),4)
data_cut = nc.getvar(root_cut, 'data', 'f4', ('timing','northing','easting',),4)
time_cut = nc.getvar(root_cut, 'data_time', 'f4', ('timing',),4)
lat_cut[:] = lat[:]
lon_cut[:] = lon[:]
data_cut[:] = data[:]
time_cut[:] = time[:]
dem.cut_projected(root_cut)
nc.close(root)
nc.close(root_cut)
def cut(filename, i_from, i_to):
img_from = int(i_from)
img_to = int(i_to)
img_range = img_to - img_from
root = nc.open(filename)[0]
lat = nc.getvar(root, 'lat')
lon = nc.getvar(root, 'lon')
data = nc.getvar(root, 'data')
time = nc.getvar(root, 'data_time')
root_cut = nc.open('cut.' + filename)[0]
nc.getdim(root_cut, 'timing', img_range)
nc.getdim(root_cut, 'northing', data.shape[1])
nc.getdim(root_cut, 'easting', data.shape[2])
lat_cut = nc.getvar(root_cut, 'lat', 'f4', ('northing','easting',),4)
lon_cut = nc.getvar(root_cut, 'lon', 'f4', ('northing','easting',),4)
lat_cut[:] = lat[:]
lon_cut[:] = lon[:]
data_cut = nc.getvar(root_cut, 'data', 'f4', ('timing','northing','easting',),4)
time_cut = nc.getvar(root_cut, 'data_time', 'f4', ('timing',),4)
for i in range(img_range):
data_cut[i] = data[img_from + i]
time_cut[i] = time[img_from + i]
nc.close(root)
nc.close(root_cut)