X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=libctsim%2Fscanner.cpp;h=ff3cd9af366833c74a3e7e3e52641aeeaaa43a2b;hb=b361677a2f7d5b443641faec70b057f2a84dc77e;hp=2314595219d76c45801d1a8dbf8a57f91de10f05;hpb=c953cbb6ffc2fd50e736230f4e6976a025983cff;p=ctsim.git

diff --git a/libctsim/scanner.cpp b/libctsim/scanner.cpp
index 2314595..ff3cd9a 100644
--- a/libctsim/scanner.cpp
+++ b/libctsim/scanner.cpp
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (c) 1983-2001 Kevin Rosenberg
 **
-**  $Id: scanner.cpp,v 1.33 2001/03/01 07:30:49 kevin Exp $
+**  $Id: scanner.cpp,v 1.34 2001/03/10 23:14:16 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -188,8 +188,10 @@ Scanner::Scanner (const Phantom& phm, const char* const geometryName,
       m_detInc = m_detLen / (m_nDet - 1); // center detector = (nDet/2)
       dDetectorArrayEndOffset = m_detInc;
     }
+    // adjust for center-detector length
     double dA1 = acos ((m_dScanDiameter / 2) / m_dCenterDetectorLength);
     double dAngularScale = 2 * (HALFPI + dAngle - dA1) / m_detLen;
+
     m_dAngularDetLen = dAngularScale * (m_detLen + dDetectorArrayEndOffset);
     m_dAngularDetIncrement = dAngularScale * m_detInc;
     m_initPos.dAngularDet = -m_dAngularDetLen / 2;