From d54fe7c1f704a63824c5bfa0ece65245572e9b27 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 4 Mar 2015 21:21:30 -0500 Subject: Initial commit --- src/slalib/sun67.htx/node70.html | 114 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 src/slalib/sun67.htx/node70.html (limited to 'src/slalib/sun67.htx/node70.html') diff --git a/src/slalib/sun67.htx/node70.html b/src/slalib/sun67.htx/node70.html new file mode 100644 index 0000000..b1ebf8a --- /dev/null +++ b/src/slalib/sun67.htx/node70.html @@ -0,0 +1,114 @@ + + + + +SLA_DS2C6 - Spherical Pos/Vel to Cartesian + + + + + + + + + + + + +
+ +next + +up + +previous +
+ Next: SLA_DS2TP - Spherical to Tangent Plane +
+Up: SUBPROGRAM SPECIFICATIONS +
+ Previous: SLA_DRANRM - Put Angle into Range +

+

+

SLA_DS2C6 - Spherical Pos/Vel to Cartesian +   +

+
+
ACTION: +
Conversion of position & velocity in spherical coordinates +to Cartesian coordinates (double precision). +

CALL: +
CALL sla_DS2C6 (A, B, R, AD, BD, RD, V) +

+

+
GIVEN: +
+
+ + + + + + + + + + + + + + + + + + + + + + + + + +
ADlongitude (radians) - for example $\alpha$
BDlatitude (radians) - for example $\delta$
RDradial coordinate
ADDlongitude derivative (radians per unit time)
BDDlatitude derivative (radians per unit time)
RDDradial derivative
+

+
RETURNED: +
+
+ + + + + +
VD(6)$[\,x,y,z,\dot{x},\dot{y},\dot{z}\,]$
+
+ +next + +up + +previous +
+ Next: SLA_DS2TP - Spherical to Tangent Plane +
+Up: SUBPROGRAM SPECIFICATIONS +
+ Previous: SLA_DRANRM - Put Angle into Range +

+

+

+SLALIB --- Positional Astronomy Library
Starlink User Note 67
P. T. Wallace
12 October 1999
E-mail:ptw@star.rl.ac.uk +
+ + -- cgit