Changeset 5967

Timestamp:

Jan 11, 2006, 11:15:20 AM (21 years ago)

Author:

Paul Price

Message:

Adding tidal correction to psSphereRot_TEOtoCEO; added psEarthRotAlloc.

File:

• trunk/doc/pslib/psLibSDRS.tex (modified) (4 diffs)

trunk/doc/pslib/psLibSDRS.tex

@@ -1 @@
-%%% $Id: psLibSDRS.tex,v 1.373 2006-01-07 03:10:54 price Exp $
+%%% $Id: psLibSDRS.tex,v 1.374 2006-01-11 21:15:20 price Exp $
 \documentclass[panstarrs,spec]{panstarrs}
 
@@ -6866 +6866 @@
 \end{datatype}
 
+The constructor is:
+\begin{prototype}
+psEarthPole *psEarthPoleAlloc(void);
+\end{prototype}
+
 \paragraph{Precession/Nutation}
 
@@ -6904 +6909 @@
 The following routine calculates the rotation of the Earth about the CIP:
 \begin{prototype}
-psSphereRot *psSphereRot_TEOtoCEO(const psTime *time)
+psSphereRot *psSphereRot_TEOtoCEO(const psTime *time, psEarthPole *tidalCorr)
 \end{prototype}
 The IERS code to create the comparable rotation is embedded in
-T2C2000, with the Earth Rotation Angle calculated by ERA2000.
+T2C2000, with the Earth Rotation Angle calculated by ERA2000.  The
+tidal correction, \code{tidalCorr} from \code{psEOC_PolarTideCorr} is
+used to correct UT1.
 
 \paragraph{Polar Motion}
@@ -6919 +6926 @@
 The following function provides tidal corrections to the polar motion
 components, $x_p$ and $y_p$, using the Ray model of Simon et al (see
-ADD).
+ADD).  It also provides a time correction to UT1 for
+\code{psSphereRot_TEOtoCEO} that we will, for convenience, place in
+the \code{s} component of the output \code{psEarthPole}.
 \begin{prototype}
 psEarthPole *psEOC_PolarTideCorr(const psTime *time);