Changeset 5968 for trunk/doc/pslib/eoc_testing.txt

Timestamp:

Jan 11, 2006, 11:15:27 AM (21 years ago)

Author:

Paul Price

Message:

Adding tidal correction.

File:

• trunk/doc/pslib/eoc_testing.txt (modified) (3 diffs)

trunk/doc/pslib/eoc_testing.txt

@@ -132 +132 @@
 9. Earth rotation
 
-(a) Generate the transformation:
-
-    psSphereRot *earthRot = psSphereRot_TEOtoCEO(time); // This is TEO->CEO
+(a) Get the tidal correction:
+
+    psEarthPole *tidalCorr = psEOC_PolarTideCorr(time);
+
+(b) Generate the transformation:
+
+    psSphereRot *earthRot = psSphereRot_TEOtoCEO(time, tidalCorr); // This is TEO->CEO
 
 Check that the rotation quaternion of earthRot is:
@@ -145 +149 @@
 Within psSphereRot_TEOtoCEO, the Earth rotation angle should be 428251.4641536639 degrees
 
-(b) Apply the rotation to the position:
+(c) Apply the rotation to the position:
 
     psSphereRot *earthRotInv = psSphereRotInvert(earthRot); // This is CEO->TEO
@@ -167 +171 @@
     earthPM->y += nutationCorr->y;
     earthPM->s += nutationCorr->s;
+
+Add the tidal correction:
+
+    earthPM->x += tidalCorr->x;
+    earthPM->y += tidalCorr->y;
 
 Check that: