--- ray/src/rt/pmapio.c	2015/05/20 12:58:31	2.3
+++ ray/src/rt/pmapio.c	2015/05/20 14:44:12	2.4
@@ -8,7 +8,7 @@
    supported by the Swiss National Science Foundation (SNSF, #147053)
    ==================================================================
    
-   $Id: pmapio.c,v 2.3 2015/05/20 12:58:31 greg Exp $    
+   $Id: pmapio.c,v 2.4 2015/05/20 14:44:12 greg Exp $    
 */
 
 
@@ -127,8 +127,7 @@ void savePhotonMap (const PhotonMap *pmap, const char 
          
          putint(prim -> srcIdx, sizeof(prim -> srcIdx), file);
 
-         for (j = 0; j < 3; j++)
-            putflt(prim -> dir [j], file);
+         putint(prim -> dir, sizeof(prim -> dir), file);
             
          for (j = 0; j < 3; j++)
             putflt(prim -> pos [j], file);
@@ -249,8 +248,7 @@ PhotonMapType loadPhotonMap (PhotonMap *pmap, const ch
          
          prim -> srcIdx = getint(sizeof(prim -> srcIdx), file);
          
-         for (j = 0; j < 3; j++)
-            prim -> dir [j] = getflt(file);
+         prim -> dir = getint(sizeof(prim -> dir), file);
             
          for (j = 0; j < 3; j++)
             prim -> pos [j] = getflt(file);