def test_make_3d_grid(self):
maxrange = 50000.
maxalt = 5000.
horiz_res = 4000.
vert_res = 1000.
outxyz, outshape = vpr.make_3d_grid(self.site, self.proj, maxrange,
maxalt, horiz_res, vert_res)
self.assertEqual(outshape, (6, 26, 26))
self.assertEqual(outxyz.shape, (4056, 3))
def test_make_3d_grid(self):
maxrange = 50000.0
maxalt = 5000.0
horiz_res = 4000.0
vert_res = 1000.0
outxyz, outshape = vpr.make_3d_grid(self.site, self.proj, maxrange,
maxalt, horiz_res, vert_res)
assert outshape == (6, 26, 26)
assert outxyz.shape == (4056, 3)
def setUp(self):
# polar grid settings
self.site = (7.0, 53.0, 100.)
self.proj = georef.epsg_to_osr(31467)
self.az = np.arange(0., 360., 2.) + 1.
self.r = np.arange(0., 50000., 1000.)
self.elev = np.array([1., 3., 5., 10.])
# cartesian grid settings
self.maxrange = 50000.
self.minelev = 1.
self.maxelev = 10.
self.maxalt = 8000.
self.horiz_res = 4000.
self.vert_res = 1000.
self.xyz = vpr.volcoords_from_polar(self.site, self.elev,
self.az, self.r, self.proj)
self.data = vpr.synthetic_polar_volume(self.xyz)
self.trgxyz, self.trgshape = vpr.make_3d_grid(self.site, self.proj,
self.maxrange,
self.maxalt,
self.horiz_res,
self.vert_res)
class TestCartesianVolume:
# polar grid settings
site = (7.0, 53.0, 100.0)
proj = georef.epsg_to_osr(31467)
az = np.arange(0.0, 360.0, 2.0) + 1.0
r = np.arange(0.0, 50000.0, 1000.0)
elev = np.array([1.0, 3.0, 5.0, 10.0])
# cartesian grid settings
maxrange = 50000.0
minelev = 1.0
maxelev = 10.0
maxalt = 8000.0
horiz_res = 4000.0
vert_res = 1000.0
xyz = vpr.volcoords_from_polar(site, elev, az, r, proj)
data = vpr.synthetic_polar_volume(xyz)
trgxyz, trgshape = vpr.make_3d_grid(
site,
proj,
maxrange,
maxalt,
horiz_res,
vert_res,
)
def test_CartesianVolume(self):
gridder = vpr.CartesianVolume(
self.xyz,
self.trgxyz,
self.trgshape,
self.maxrange,
self.minelev,
self.maxelev,
)
out = gridder(self.data)
assert out.shape == (6084, )
assert len(np.where(np.isnan(out))[0]) == 0
def test_CAPPI(self):
gridder = vpr.CAPPI(
self.xyz,
self.trgxyz,
self.trgshape,
self.maxrange,
self.minelev,
self.maxelev,
)
out = gridder(self.data)
assert out.shape == (6084, )
# Todo: find out where this discrepancy comes from
from osgeo import gdal
if gdal.VersionInfo()[0] >= "3":
size = 3528
else:
size = 3512
assert len(np.where(np.isnan(out))[0]) == size
def test_PseudoCAPPI(self):
# interpolate to Cartesian 3-D volume grid
gridder = vpr.PseudoCAPPI(
self.xyz,
self.trgxyz,
self.trgshape,
self.maxrange,
self.minelev,
self.maxelev,
)
out = gridder(self.data)
assert out.shape == (6084, )
assert len(np.where(np.isnan(out))[0]) == 1744