Package | Description |
---|---|
org.britastro.grelf | |
org.britastro.grelf.astro |
Modifier and Type | Field and Description |
---|---|
static Angle |
Angle.FULL_CIRCLE |
static Angle |
Angle.HALF_TURN |
static Angle |
Angle.RIGHT_ANGLE |
static Angle |
Angle.ZERO |
Modifier and Type | Method and Description |
---|---|
static Angle |
Angle.acos(double x) |
Angle |
Angle.add(Angle other)
Returns new Angle which is the sum of the present one and other.
|
static Angle |
Angle.asin(double x) |
static Angle |
Angle.atan(double x) |
static Angle |
Angle.atan2(double y,
double x) |
Angle |
Angle.clone() |
Angle |
Angle.difference(Angle other)
Similar to subtract but the result is in the range -180..180 degrees.
|
Angle |
Angle.in360()
Returns a new Angle whose value lies in range 0..360 degrees (or 0..2pi radians).
|
Angle |
Angle.multiply(double factor)
Returns a new Angle that is the result of multiplying the current one by a factor.
|
static Angle |
Angle.parseAngle(java.lang.String s)
Allow all possible formatting of the String.
|
Angle |
Angle.subtract(Angle other)
Returns a new Angle which is the result of subtracting other from this.
|
Modifier and Type | Method and Description |
---|---|
Angle |
Angle.add(Angle other)
Returns new Angle which is the sum of the present one and other.
|
int |
Angle.compareTo(Angle other)
Implements java.lang.Comparable
|
Angle |
Angle.difference(Angle other)
Similar to subtract but the result is in the range -180..180 degrees.
|
Angle |
Angle.subtract(Angle other)
Returns a new Angle which is the result of subtracting other from this.
|
Modifier and Type | Class and Description |
---|---|
class |
Dec
Representation of declination (celestial latitude).
|
class |
RA
Representation of Right Ascension (celestial longitude).
|
Modifier and Type | Method and Description |
---|---|
Angle |
SkyVector.getPa()
Get position angle (anticlockwise from north).
|
Angle |
SkyObjectDatabase.Neighbour.getSeparation() |
Angle |
SkyVector.getSeparation()
Get spherical separation.
|
Modifier and Type | Method and Description |
---|---|
double[] |
SkyPoint.calculateRiseTransitSet(JulianDate jd,
BodyKind kind,
Angle latitude)
Returns an array of 3 fractions of a day, representing respectively the local times of rising, transit and
setting for the given latitude and refraction offset (h0 = -0.5667 for stars and planets, -0.8333 for the
Sun, +0.125 for the Moon).
|
Constructor and Description |
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Dec(Angle angle) |
RA(Angle angle) |
SkyObjectDatabase.Neighbour(Angle sepn,
Star star) |
SkyVector(Angle separation,
Angle pa)
The order of the parameters is like polar coordinates (r, theta).
|