ucar.nc2.dataset.conv

Class Cosmic1Convention

java.lang.Object

ucar.nc2.dataset.CoordSysBuilder

ucar.nc2.dataset.conv.Cosmic1Convention

All Implemented Interfaces:

CoordSysBuilderIF

public class Cosmic1Convention
extends CoordSysBuilder

Cosmic data - version 1. Add time coordinate from global atts start_time, stop_time, assuming its linear along the vertical dimension.

Since:

Jul 29, 2009

Author:

caron

Nested Class Summary

Nested classes/interfaces inherited from class ucar.nc2.dataset.CoordSysBuilder

CoordSysBuilder.ConventionNameOk, CoordSysBuilder.VarProcess

Field Summary

Fields

Modifier and Type	Field and Description
protected static double	DTR _more_
protected static double	RTD _more_

Fields inherited from class ucar.nc2.dataset.CoordSysBuilder

conventionName, coordVarMap, debug, log, parseInfo, resourcesDir, userAdvice, varList

Constructor Summary

Constructors

Constructor and Description
Cosmic1Convention() _more_

Method Summary

Methods

Modifier and Type	Method and Description
void	augmentDataset(NetcdfDataset ds, CancelTask cancelTask) _more_
static double[]	ECFtoLLA(double x, double y, double z, double a, double b) comparing api to others
double[]	execute(double[] eci, double julian) _more_
double	gast(int iyr, int imon, int iday, int ihr, int imin, double sec, double dsec) ---------------------------------------------------------------------- gast.f This subroutine computes the Greenwich Apparent Siderial Time angle given a UTC date and time.
protected AxisType	getAxisType(NetcdfDataset ncDataset, VariableEnhanced v) _more_
static boolean	isMine(NetcdfFile ncfile)
double	juday(int M, int D, int Y) JDAY calculates the Julian Day number (JD) from the Gregorian month ,day, and year (M,D,Y).
double[]	spin(double[] v1, double[] vs, double a) ---------------------------------------------------------------------- file spin.f This subroutine rotates vector V1 around vector VS at angle A.
double	togreenw(double rectt, double utco, double gmst) This subroutine is to transform the locations and velocities of the GPS and LEO satellites from the celestial inertial reference frame to the Earth centered Greenwich reference frame.
double[]	xyzell(double a, double b, double[] xstat) NAME : XYZELL CALL XYZELL(A,B,XSTAT,XSTELL) PURPOSE : COMPUTATION OF ELLIPSOIDAL COORDINATES "XSTELL" GIVEN THE CARTESIAN COORDINATES "XSTAT" PARAMETERS : IN : A : SEMI-MAJOR AXIS OF THE REFERENCE R*8 ELLIPSOID IN METERS B : SEMI-MINOR AXIS OF THE REFERENCE R*8 ELLIPSOID IN METERS DXELL(3): TRANSLATION COMPONENTS FROM THE R*8 ORIGIN OF THE CART.

Methods inherited from class ucar.nc2.dataset.CoordSysBuilder

addCoordinateVariable, addUserAdvice, assignCoordinateSystemsExplicit, assignCoordinateTransforms, breakupConventionNames, buildCoordinateSystems, factory, findCoordinateAxes, findCoordinateAxis, findCoordinateSystems, findCoordinateTransforms, findVarProcess, getConventionUsed, getParseInfo, getUseMaximalCoordSys, getUserAdvice, hasXY, isCoordinateAxisForVariable, makeCoordinateAxes, makeCoordinateSystems, makeCoordinateSystemsImplicit, makeCoordinateSystemsMaximal, makeCoordinateTransform, makeCoordinateTransforms, makeCoordinateTransformVariable, makeDummyTransformVariable, registerConvention, registerConvention, registerConvention, registerNcML, setConventionUsed, setUseMaximalCoordSys

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RTD

protected static final double RTD

_more_

See Also:

Constant Field Values

DTR

protected static final double DTR

_more_

See Also:

Constant Field Values

Constructor Detail

Cosmic1Convention

public Cosmic1Convention()

_more_

Method Detail

isMine

public static boolean isMine(NetcdfFile ncfile)

Parameters:

ncfile - the NetcdfFile to test

Returns:

true if we think this is a Zebra file.

augmentDataset

public void augmentDataset(NetcdfDataset ds,
                  CancelTask cancelTask)
                    throws IOException

_more_

Specified by:

augmentDataset in interface CoordSysBuilderIF

Overrides:

augmentDataset in class CoordSysBuilder

Parameters:

ds - _more_

cancelTask - _more_

Throws:

IOException - _more_

getAxisType

protected AxisType getAxisType(NetcdfDataset ncDataset,
                   VariableEnhanced v)

_more_

Overrides:

getAxisType in class CoordSysBuilder

Parameters:

ncDataset - _more_

v - _more_

Returns:

_more_

xyzell

public double[] xyzell(double a,
              double b,
              double[] xstat)

NAME : XYZELL

CALL XYZELL(A,B,XSTAT,XSTELL)

PURPOSE : COMPUTATION OF ELLIPSOIDAL COORDINATES "XSTELL" GIVEN THE CARTESIAN COORDINATES "XSTAT"

PARAMETERS : IN : A : SEMI-MAJOR AXIS OF THE REFERENCE R*8 ELLIPSOID IN METERS B : SEMI-MINOR AXIS OF THE REFERENCE R*8 ELLIPSOID IN METERS DXELL(3): TRANSLATION COMPONENTS FROM THE R*8 ORIGIN OF THE CART. COORD. SYSTEM (X,Y,Z) TO THE CENTER OF THE REF. ELLIPSOID (IN METRES) SCELL : SCALE FACTOR BETWEEN REF. ELLIPSOID R*8 AND WGS-84 XSTAT(3): CARTESIAN COORDINATES (M) R*8 OUT : XSTELL(3): ELLIPSOIDAL COORDINATES R*8 XSTELL(1): ELL. LATITUDE (RADIAN) XSTELL(2): ELL. LONGITUDE (RADIAN) XSTELL(3): ELL. HEIGHT (M)

SR CALLED : DMLMTV

REMARKS : ---

AUTHOR : M. ROTHACHER

VERSION : 3.4 (JAN 93)

CREATED : 87/11/03 12:32 LAST MODIFIED : 88/11/21 17:36

COPYRIGHT : ASTRONOMICAL INSTITUTE 1987 UNIVERSITY OF BERNE SWITZERLAND

Parameters:

a - _more_

b - _more_

xstat - _more_

Returns:

_more_

gast

public double gast(int iyr,
          int imon,
          int iday,
          int ihr,
          int imin,
          double sec,
          double dsec)

---------------------------------------------------------------------- gast.f

This subroutine computes the Greenwich Apparent Siderial Time angle given a UTC date and time.

parameter Input parameters: Inputs:

Parameters:

iyr - integer year 1995

imon - integer month 5

iday - integer day 5

ihr - integer hour 5

imin - integer minute 5

sec - double second 31.0

dsec - double second 0.0 Outputs:

Returns:

theta GAST angle in radians

author Bill Schreiner

Since:

May 1995 version $URL: svn://ursa.cosmic.ucar.edu/trunk/src/roam/gast.f $ $Id: gast.f 10129 2008-07-30 17:10:52Z dhunt $ -----------------------------------------------------------------------

juday

public double juday(int M,
           int D,
           int Y)

JDAY calculates the Julian Day number (JD) from the Gregorian month ,day, and year (M,D,Y). (NOT VALID BEFORE 10/15/1582)

Parameters:

M - _more_

D - _more_

Y - _more_

Returns:

_more_

togreenw

public double togreenw(double rectt,
              double utco,
              double gmst)

This subroutine is to transform the locations and velocities of the GPS and LEO satellites from the celestial inertial reference frame to the Earth centered Greenwich reference frame. The dummy arguments iyear, month and iday are the calender year, month and day of the occultation event. The dummy arguments ihour, minute and sec are the UTC time. Reference: Astronomical Alamanus, 1993

Modified subroutine from Dasheng's code.

Parameters:

rectt - _more_

utco - _more_

gmst - _more_

Returns:

_more_

spin

public double[] spin(double[] v1,
            double[] vs,
            double a)

---------------------------------------------------------------------- file spin.f

This subroutine rotates vector V1 around vector VS at angle A. V2 is the vector after the rotation.

parameter Input parameters: v1 - Vector to be rotated vs - Vector around which to rotate v1 a - angle of rotation Output parameters: v2 - output vector

S.V.Sokolovskiy URL: svn://ursa.cosmic.ucar.edu/trunk/src/roam/spin.f $ $Id: spin.f 10129 2008-07-30 17:10:52Z dhunt $ -----------------------------------------------------------------------

Parameters:

v1 - - Vector to be rotated

vs - - Vector around which to rotate v1

a - - angle of rotation

Returns:

_more_

execute

public double[] execute(double[] eci,
               double julian)

_more_

Parameters:

eci - _more_

julian - _more_

Returns:

_more_

ECFtoLLA

public static double[] ECFtoLLA(double x,
                double y,
                double z,
                double a,
                double b)

comparing api to others

Parameters:

x - _more_

y - _more_

z - _more_

a - _more_

b - _more_

Returns:

_more_