SpkSegment class
A segment of an SPK file: motion of target relative to center over the time span startEt…endEt.
Properties
- beginWord → int
-
Addresses of the first and last data word of the segment.
final
- center → int
-
NAIF code of the reference body (0 = solar system barycentre).
final
- dataType → int
-
SPK data type (2 = Chebyshev polynomials for position).
final
- endEt → double
-
Start and end in TDB seconds past J2000.
final
- endWord → int
-
Addresses of the first and last data word of the segment.
final
- file → SpkFile
-
final
- frame → int
-
Reference frame (1 = J2000/ICRF).
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- name → String
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- startEt → double
-
Start and end in TDB seconds past J2000.
final
- target → int
-
NAIF code of the body (e.g. 399 Earth, 301 Moon, 4 Mars barycentre).
final
Methods
-
covers(
double et) → bool -
Whether the segment covers
et(TDB seconds past J2000). -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
state(
double et) → StateVector -
Position and velocity of target relative to center at
et(TDB seconds past J2000). -
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited