poliastro.util

Function helpers.

Module Contents

Functions

norm(vec, axis=None)	Norm of a Quantity vector that respects units.
time_range(start, *, periods=50, spacing=None, end=None, format=None, scale=None)	Generates range of astronomical times.
find_closest_value(value, values)	Calculates the closest value in the given values.
alinspace(start, stop=None, *, num=50, endpoint=True)	Return increasing, evenly spaced angular values over a specified interval.
wrap_angle(angle, limit=180 * u.deg)

poliastro.util.norm(vec, axis=None)

Norm of a Quantity vector that respects units.

Parameters

• vec (Quantity) – Vector with units.

• axis (int or None) – Axis along which to compute the vector norms.

poliastro.util.time_range(start, *, periods=50, spacing=None, end=None, format=None, scale=None)

Generates range of astronomical times.

New in version 0.8.0.

Parameters

• start (Time or Quantity) – Start time.

• periods (int, optional) – Number of periods, default to 50.

• spacing (Time or Quantity, optional) – Spacing between periods, optional.

• end (Time or equivalent, optional) – End date.

Returns

result – Array of time values.

Return type

Time

poliastro.util.find_closest_value(value, values)

Calculates the closest value in the given values.

Parameters

• value (Quantity) – Reference value.

• values (Quantity) – Values to search from.

poliastro.util.alinspace(start, stop=None, *, num=50, endpoint=True)

Return increasing, evenly spaced angular values over a specified interval.

poliastro.util.wrap_angle(angle, limit=180 * u.deg)