org.orekit.frames.transformations
Class HelmertTransformationFactory

java.lang.Object
  org.orekit.frames.transformations.HelmertTransformationFactory

public final class HelmertTransformationFactory
extends Object

Some Helmert transformations.

Since:

1.3

Version:

$Id: HelmertTransformationFactory.java 17602 2017-05-18 08:25:23Z bignon $

Author:

Rami Houdroge

Field Summary

static HelmertTransformation	ITRF00TO93 Helmert transformation between ITRF2000 and ITRF93. // see ftp://itrf.ensg.ign.fr/pub/itrf/ITRF.TP // ------------------------------------------------------------------------------------- // SOLUTION T1 T2 T3 D R1 R2 R3 EPOCH Ref. // UNITS----------> cm cm cm ppb .001" .001" .001" IERS Tech. // .
static HelmertTransformation	ITRF00TO97 Helmert transformation between ITRF2000 and ITRF97 see ftp://itrf.ensg.ign.fr/pub/itrf/ITRF.TP ------------------------------------------------------------------------------------- SOLUTION T1 T2 T3 D R1 R2 R3 EPOCH Ref. UNITS----------> cm cm cm ppb .001" .001" .001" IERS Tech. .
static HelmertTransformation	ITRF05TO00 Helmert transformation between ITRF2005 and ITRF 2000. see http://itrf.ign.fr/ITRF_solutions/2005/tp_05-00.php T1 T2 T3 D R1 R2 R3 mm mm mm 10-9 mas mas mas 0.1 -0.8 -5.8 0.40 0.000 0.000 0.000 +/- 0.3 0.3 0.3 0.05 0.012 0.012 0.012 Rates -0.2 0.1 -1.8 0.08 0.000 0.000 0.000 +/- 0.3 0.3 0.3 0.05 0.012 0.012 0.012 Table 1: Transformation parameters at epoch 2000.0 and their rates from ITRF2005 to ITRF2000 (ITRF2000 minus ITRF2005)
static HelmertTransformation	ITRF05TO08 Helmert transformation between ITRF2005 and ITRF 2008. see http://itrf.ign.fr/ITRF_solutions/2008/tp_08-05.php T1 T2 T3 D R1 R2 R3 mm mm mm 10-9 mas mas mas -0.5 -0.9 -4.7 0.94 0.000 0.000 0.000 +/- 0.2 0.2 0.2 0.03 0.008 0.008 0.008 Rates 0.3 0.0 0.0 0.00 0.000 0.000 0.000 +/- 0.2 0.2 0.2 0.03 0.008 0.008 0.008 Table 1: Transformation parameters at epoch 2005.0 and their rates from ITRF2008 to ITRF2005 (ITRF2005 minus ITRF2008)

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

ITRF05TO08

public static final HelmertTransformation ITRF05TO08

Helmert transformation between ITRF2005 and ITRF 2008.
see http://itrf.ign.fr/ITRF_solutions/2008/tp_08-05.php

T1 T2 T3 D R1 R2 R3
mm mm mm 10-9 mas mas mas
-0.5 -0.9 -4.7 0.94 0.000 0.000 0.000
+/- 0.2 0.2 0.2 0.03 0.008 0.008 0.008

Rates 0.3 0.0 0.0 0.00 0.000 0.000 0.000
+/- 0.2 0.2 0.2 0.03 0.008 0.008 0.008

Table 1: Transformation parameters at epoch 2005.0 and their rates from ITRF2008 to ITRF2005 (ITRF2005 minus ITRF2008)

ITRF05TO00

public static final HelmertTransformation ITRF05TO00

Helmert transformation between ITRF2005 and ITRF 2000.
see http://itrf.ign.fr/ITRF_solutions/2005/tp_05-00.php

T1 T2 T3 D R1 R2 R3
mm mm mm 10-9 mas mas mas
0.1 -0.8 -5.8 0.40 0.000 0.000 0.000
+/- 0.3 0.3 0.3 0.05 0.012 0.012 0.012

Rates -0.2 0.1 -1.8 0.08 0.000 0.000 0.000
+/- 0.3 0.3 0.3 0.05 0.012 0.012 0.012


Table 1: Transformation parameters at epoch 2000.0 and their rates from ITRF2005 to ITRF2000 (ITRF2000 minus ITRF2005)

ITRF00TO97

public static final HelmertTransformation ITRF00TO97

Helmert transformation between ITRF2000 and ITRF97
see ftp://itrf.ensg.ign.fr/pub/itrf/ITRF.TP
-------------------------------------------------------------------------------------
SOLUTION T1 T2 T3 D R1 R2 R3 EPOCH Ref.
UNITS----------> cm cm cm ppb .001" .001" .001" IERS Tech.
. . . . . . . Note #
RATES T1 T2 T3 D R1 R2 R3
UNITS----------> cm/y cm/y cm/y ppb/y .001"/y .001"/y .001"/y
-------------------------------------------------------------------------------------
ITRF97 0.67 0.61 -1.85 1.55 0.00 0.00 0.00 1997.0 27
rates 0.00 -0.06 -0.14 0.01 0.00 0.00 0.02
...

Note : These parameters are derived from those already published in the IERS Technical Notes indicated in the table above. The transformation parameters should be used with the standard model (1) given below and are valid at the indicated epoch.

: XS : : X : : T1 : : D -R3 R2 : : X :
: : : : : : : : : :
: YS : = : Y : + : T2 : + : R3 D -R1 : : Y : (1)
: : : : : : : : : :
: ZS : : Z : : T3 : : -R2 R1 D : : Z :

Where X,Y,Z are the coordinates in ITRF2000 and XS,YS,ZS are the coordinates in the other frames.

ITRF00TO93

public static final HelmertTransformation ITRF00TO93

Helmert transformation between ITRF2000 and ITRF93.
// see ftp://itrf.ensg.ign.fr/pub/itrf/ITRF.TP
// -------------------------------------------------------------------------------------
// SOLUTION T1 T2 T3 D R1 R2 R3 EPOCH Ref.
// UNITS----------> cm cm cm ppb .001" .001" .001" IERS Tech.
// . . . . . . . Note #
// RATES T1 T2 T3 D R1 R2 R3
// UNITS----------> cm/y cm/y cm/y ppb/y .001"/y .001"/y .001"/y
// -------------------------------------------------------------------------------------
// ...
// ITRF93 1.27 0.65 -2.09 1.95 -0.39 0.80 -1.14 1988.0 18
// rates -0.29 -0.02 -0.06 0.01 -0.11 -0.19 0.07
// ...
//
// Note : These parameters are derived from those already published in the IERS // Technical Notes indicated in the table above. The transformation parameters // should be used with the standard model (1) given below and are valid at the // indicated epoch. //

// : XS : : X : : T1 : : D -R3 R2 : : X :
// : : : : : : : : : :
// : YS : = : Y : + : T2 : + : R3 D -R1 : : Y : (1)
// : : : : : : : : : :
// : ZS : : Z : : T3 : : -R2 R1 D : : Z :
//
// Where X,Y,Z are the coordinates in ITRF2000 and XS,YS,ZS are the coordinates in // the other frames.