dedalus.core.coords

Coordinates and coordinate sytems.

Module Contents

class Coordinate(name, cs=None)

dim = 1

default_nonconst_groups = (1,)

curvilinear = False

name

coords

cs

check_bounds(bounds)

forward_vector_intertwiner(subaxis, group)

backward_vector_intertwiner(subaxis, group)

class DirectProduct(*coordsystems, right_handed=None)

coordsystems

coords

dim

subaxis_by_cs()

curvilinear()

forward_vector_intertwiner(subaxis, group)

backward_vector_intertwiner(subaxis, group)

default_nonconst_groups()

class CartesianCoordinates(*names, right_handed=True)

curvilinear = False

names

dim

coords

default_nonconst_groups

forward_vector_intertwiner(subaxis, group)

backward_vector_intertwiner(subaxis, group)

unit_vector_fields(dist)

class S2Coordinates(azimuth, colatitude)

S2 coordinate system: (azimuth, colatitude) Coord component ordering: (azimuth, colatitude) Spin component ordering: (-, +)

spin_ordering

dim = 2

default_nonconst_groups = (0, 1)

names

azimuth

colatitude

coords

forward_vector_intertwiner(subaxis, group)

backward_vector_intertwiner(subaxis, group)

class PolarCoordinates(azimuth, radius)

Polar coordinate system: (azimuth, radius) Coord component ordering: (azimuth, radius) Spin component ordering: (-, +)

spin_ordering

dim = 2

default_nonconst_groups = (0, 0)

names

azimuth

radius

coords

forward_vector_intertwiner(subaxis, group)

backward_vector_intertwiner(subaxis, group)

static cartesian(phi, r)

class SphericalCoordinates(azimuth, colatitude, radius)

Spherical coordinate system: (azimuth, colatitude, radius) Coord component ordering: (azimuth, colatitude, radius) Spin component ordering: (-, +, 0) Regularity component ordering: (-, +, 0)

spin_ordering

reg_ordering

dim = 3

right_handed = False

default_nonconst_groups = (0, 1, 0)

names

azimuth

colatitude

radius

S2coordsys

coords

check_bounds(coord, bounds)

sub_cs(other)

static cartesian(phi, theta, r)

forward_intertwiner(subaxis, order, group)

backward_intertwiner(subaxis, order, group)