Changeset 19612 for trunk/Mars/msimreflector/MFresnelLens.cc

Timestamp:

09/02/19 23:34:47 (5 years ago)

Author:

tbretz

Message:

Comment added

File:

• trunk/Mars/msimreflector/MFresnelLens.cc (modified) (2 diffs)

trunk/Mars/msimreflector/MFresnelLens.cc

@@ -264 +264 @@
 
     const double so    = rc / sqrt(rc*rc + F*F);
-    const double alpha = atan(so / (1-sqrt(n0*n0 - so*so)));
+    const double alpha = atan(so / (1-sqrt(n0*n0 - so*so))); // alpha<0
 
     //             theta                   peak_z
@@ -276 +276 @@
         return -1;
 
-    // Propagate to the hit point
+    // Propagate to the hit point at z=dz (dz<0)
     p.PropagateZ(u, dz);