| 1456 | 
  | 
Added tilde ('~') output option as part of the -o* specification of | 
| 1457 | 
  | 
rtrace.  This permits ray trees to be parsed more easily in binary | 
| 1458 | 
  | 
output mode, as needed by rtcontrib. | 
| 1459 | 
+ | 
 | 
| 1460 | 
+ | 
Implemented Russian roulette ray termination with -lr <= 0. | 
| 1461 | 
+ | 
Made -lr -10 the default in rtcontrib. | 
| 1462 | 
+ | 
 | 
| 1463 | 
+ | 
Made rtcontrib -f option search RAYPATH directories. | 
| 1464 | 
+ | 
 | 
| 1465 | 
+ | 
Made it so -o option of rtcontrib can pipe -o output to a command. | 
| 1466 | 
+ | 
 | 
| 1467 | 
+ | 
Added -if and -of options to total for binary i/o (following rcalc mold). | 
| 1468 | 
+ | 
 | 
| 1469 | 
+ | 
Switched default options in rtrace to use Russian roulette.  (Rpict and rvu | 
| 1470 | 
+ | 
still use biased ray termination.) | 
| 1471 | 
+ | 
 | 
| 1472 | 
+ | 
Added rtcontrib -r option to recover partial output. |