DEIMOS
Earth Observation Mission CFI Software
Lib Software User Manual
for JAVA
ESA

EECFI.LibFunc Class Reference

Base class for LibFunc objects. More...

Inheritance diagram for EECFI.LibFunc:
EECFI.CfiClass

List of all members.

Public Member Functions

 LibFunc ()
 Class constructor (using satellite enumeration value).

Static Public Member Functions

static native double[][] eulerToMatrix (double eulerAngles[]) throws CfiError
 Get rotation matrix from Euler angles.
static native double[] matrixToEuler (double matrix[][]) throws CfiError
 Get Euler angles from rotation matrix.
static native double[] getRotationAngles (double xsInit[], double ysInit[], double zsInit[], double xsFin[], double ysFin[], double zsFin[]) throws CfiError
 Get rotation angles between two sets of orthonormal right-handed unit vectors.
static native double[][] getRotatedVectors (double xsInit[], double ysInit[], double zsInit[], double angle[]) throws CfiError
 Rotate a set of unit angle vectors.
static native double[][] quaternionsToVectors (double quaternions[]) throws CfiError
 Change from quaternions to vectors.
static native double[] vectorsToQuaternions (double uxVec[], double uyVec[], double uzVec[]) throws CfiError
 Change form vectors to quaternions.
static native double[] quaternionsInterpol (final QuaternionsInterpolationCfg cfg, double time_1, double q1[], double time_2, double q2[], double time_out) throws CfiError
 Computes quaternions interpolation of q1 / q2.

Detailed Description

Base class for LibFunc objects.


Constructor & Destructor Documentation

EECFI.LibFunc.LibFunc (  ) 

Class constructor (using satellite enumeration value).


Member Function Documentation

EECFI.LibFunc::eulerToMatrix ( double  eulerAngles[]  )  throws CfiError [static]

Get rotation matrix from Euler angles.

Parameters:
eulerAngles Euler angles.
Returns:
Rotation matrix.
EECFI.LibFunc::getRotatedVectors ( double  xsInit[],
double  ysInit[],
double  zsInit[],
double  angle[] 
) throws CfiError [static]

Rotate a set of unit angle vectors.

Parameters:
xsInit Unitary direction vector along the X-axes of the initial attitude frame.
ysInit Unitary direction vector along the Y-axes of the initial attitude frame.
zsInit Unitary direction vector along the Z-axes of the initial attitude frame.
angle Angles (pitch, roll and yaw) between initial and final Attitude Frames (deg [-180,180)).
Returns:
Unitary direction vector along the X, Y, Z axis of the final attitude frame.
EECFI.LibFunc::getRotationAngles ( double  xsInit[],
double  ysInit[],
double  zsInit[],
double  xsFin[],
double  ysFin[],
double  zsFin[] 
) throws CfiError [static]

Get rotation angles between two sets of orthonormal right-handed unit vectors.

Parameters:
xsInit Unitary direction vector along the X-axes of the initial attitude frame.
ysInit Unitary direction vector along the Y-axes of the initial attitude frame.
zsInit Unitary direction vector along the Z-axes of the initial attitude frame.
xsFin Unitary direction vector along the X-axes of the final attitude frame.
ysFin Unitary direction vector along the Y-axes of the final attitude frame.
zsFin Unitary direction vector along the Z-axes of the final attitude frame.
Returns:
Angles (pitch, roll and yaw) between initial and final Attitude Frames (deg [-180,180)).
EECFI.LibFunc::matrixToEuler ( double  matrix[][]  )  throws CfiError [static]

Get Euler angles from rotation matrix.

Parameters:
matrix Rotation matrix.
Returns:
Euler angles.
static native double [] EECFI.LibFunc.quaternionsInterpol ( final QuaternionsInterpolationCfg  cfg,
double  time_1,
double  q1[],
double  time_2,
double  q2[],
double  time_out 
) throws CfiError [static]

Computes quaternions interpolation of q1 / q2.

EECFI.LibFunc::quaternionsToVectors ( double  quaternions[]  )  throws CfiError [static]

Change from quaternions to vectors.

Parameters:
quaternions Input quaternion vector.
Returns:
Unitary direction vector along the X, Y, Z axis.
EECFI.LibFunc::vectorsToQuaternions ( double  uxVec[],
double  uyVec[],
double  uzVec[] 
) throws CfiError [static]

Change form vectors to quaternions.

Parameters:
uxVec Unitary direction vector along the X-axes.
uyVec Unitary direction vector along the Y-axes.
uzVec Unitary direction vector along the Z-axes.
Returns:
Equivalent quaternion.

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