def _create_mesh(self):
"""
See :meth:`nhlib.geo.surface.base.BaseSurface._create_mesh`.
"""
llons, llats, ldepths = geodetic.intervals_between(
self.top_left.longitude, self.top_left.latitude,
self.top_left.depth,
self.bottom_left.longitude, self.bottom_left.latitude,
self.bottom_left.depth,
self.mesh_spacing
)
rlons, rlats, rdepths = geodetic.intervals_between(
self.top_right.longitude, self.top_right.latitude,
self.top_right.depth,
self.bottom_right.longitude, self.bottom_right.latitude,
self.bottom_right.depth,
self.mesh_spacing
)
mlons, mlats, mdepths = [], [], []
for i in xrange(len(llons)):
lons, lats, depths = geodetic.intervals_between(
llons[i], llats[i], ldepths[i], rlons[i], rlats[i], rdepths[i],
self.mesh_spacing
)
mlons.append(lons)
mlats.append(lats)
mdepths.append(depths)
return RectangularMesh(numpy.array(mlons), numpy.array(mlats),
numpy.array(mdepths))
def _create_mesh(self):
"""
See :meth:`nhlib.geo.surface.base.BaseSurface._create_mesh`.
"""
llons, llats, ldepths = geodetic.intervals_between(
self.top_left.longitude, self.top_left.latitude,
self.top_left.depth,
self.bottom_left.longitude, self.bottom_left.latitude,
self.bottom_left.depth,
self.mesh_spacing
)
rlons, rlats, rdepths = geodetic.intervals_between(
self.top_right.longitude, self.top_right.latitude,
self.top_right.depth,
self.bottom_right.longitude, self.bottom_right.latitude,
self.bottom_right.depth,
self.mesh_spacing
)
mlons, mlats, mdepths = [], [], []
for i in xrange(len(llons)):
lons, lats, depths = geodetic.intervals_between(
llons[i], llats[i], ldepths[i], rlons[i], rlats[i], rdepths[i],
self.mesh_spacing
)
mlons.append(lons)
mlats.append(lats)
mdepths.append(depths)
return RectangularMesh(numpy.array(mlons), numpy.array(mlats),
numpy.array(mdepths))
def test_zero_intervals(self):
lons, lats, depths = geodetic.intervals_between(
lon1=10, lat1=1, depth1=100, lon2=10.04, lat2=1.5, depth2=90,
length=140
)
expected_lons = [10]
expected_lats = [1]
expected_depths = [100]
self.assertTrue(numpy.allclose(lons, expected_lons))
self.assertTrue(numpy.allclose(lats, expected_lats))
self.assertTrue(numpy.allclose(depths, expected_depths))
def test_round_up(self):
lons, lats, depths = geodetic.intervals_between(
lon1=10, lat1=-4, depth1=100,
lon2=12, lat2=4, depth2=60,
length=350
)
expected_lons = [10., 10.76308634, 11.52482625, 12.28955192]
expected_lats = [-4, -0.94915589, 2.10185625, 5.15249576]
expected_depths = [100, 84.74555236, 69.49110472, 54.23665708]
self.assertTrue(numpy.allclose(lons, expected_lons))
self.assertTrue(numpy.allclose(lats, expected_lats))
self.assertTrue(numpy.allclose(depths, expected_depths))
def test_round_down(self):
lons, lats, depths = geodetic.intervals_between(
lon1=10, lat1=-4, depth1=100,
lon2=12, lat2=4, depth2=60,
length=380
)
expected_lons = [10., 10.82836972, 11.65558943]
expected_lats = [-4, -0.68763949, 2.62486454]
expected_depths = [100, 83.43802828, 66.87605655]
self.assertTrue(numpy.allclose(lons, expected_lons))
self.assertTrue(numpy.allclose(lats, expected_lats))
self.assertTrue(numpy.allclose(depths, expected_depths))
def test_zero_intervals(self):
lons, lats, depths = geodetic.intervals_between(lon1=10,
lat1=1,
depth1=100,
lon2=10.04,
lat2=1.5,
depth2=90,
length=140)
expected_lons = [10]
expected_lats = [1]
expected_depths = [100]
self.assertTrue(numpy.allclose(lons, expected_lons))
self.assertTrue(numpy.allclose(lats, expected_lats))
self.assertTrue(numpy.allclose(depths, expected_depths))
def test_round_up(self):
lons, lats, depths = geodetic.intervals_between(lon1=10,
lat1=-4,
depth1=100,
lon2=12,
lat2=4,
depth2=60,
length=350)
expected_lons = [10., 10.76308634, 11.52482625, 12.28955192]
expected_lats = [-4, -0.94915589, 2.10185625, 5.15249576]
expected_depths = [100, 84.74555236, 69.49110472, 54.23665708]
self.assertTrue(numpy.allclose(lons, expected_lons))
self.assertTrue(numpy.allclose(lats, expected_lats))
self.assertTrue(numpy.allclose(depths, expected_depths))
def test_round_down(self):
lons, lats, depths = geodetic.intervals_between(lon1=10,
lat1=-4,
depth1=100,
lon2=12,
lat2=4,
depth2=60,
length=380)
expected_lons = [10., 10.82836972, 11.65558943]
expected_lats = [-4, -0.68763949, 2.62486454]
expected_depths = [100, 83.43802828, 66.87605655]
self.assertTrue(numpy.allclose(lons, expected_lons))
self.assertTrue(numpy.allclose(lats, expected_lats))
self.assertTrue(numpy.allclose(depths, expected_depths))
def equally_spaced_points(self, point, distance):
"""
Compute the set of points equally spaced between this point
and the given point.
:param point:
Destination point.
:type point:
Instance of :class:`Point`
:param distance:
Distance between points (in km).
:type distance:
float
:returns:
The list of equally spaced points.
:rtype:
list of :class:`Point` instances
"""
lons, lats, depths = geodetic.intervals_between(
self.longitude, self.latitude, self.depth, point.longitude,
point.latitude, point.depth, distance)
return [Point(lons[i], lats[i], depths[i]) for i in xrange(len(lons))]
def equally_spaced_points(self, point, distance):
"""
Compute the set of points equally spaced between this point
and the given point.
:param point:
Destination point.
:type point:
Instance of :class:`Point`
:param distance:
Distance between points (in km).
:type distance:
float
:returns:
The list of equally spaced points.
:rtype:
list of :class:`Point` instances
"""
lons, lats, depths = geodetic.intervals_between(
self.longitude, self.latitude, self.depth,
point.longitude, point.latitude, point.depth,
distance
)
return [Point(lons[i], lats[i], depths[i]) for i in xrange(len(lons))]