| 1382 |  | Fixed bug that caused incorrect reporting of non-surface in set when | 
| 1383 |  | mixing meshes and instances.  (Thanks to Jack de Valpine for discovery.) | 
| 1384 |  |  | 
| 1385 | < | Fixed innacuracy in calculation of diffuse transmission in the presence | 
| 1385 | > | Fixed inaccuracy in calculation of diffuse transmission in the presence | 
| 1386 |  | of pure specular (Fresnel reflection) using "trans" material.  Thanks | 
| 1387 |  | to Christoph Reinhart for pointing out the error. | 
| 1388 |  |  | 
| 1471 |  |  | 
| 1472 |  | Added rtcontrib -r option to recover partial output. | 
| 1473 |  |  | 
| 1474 | < | Added -R rendering option for pure Monte Carlo sampling. | 
| 1475 | < | (Got rid of -DMC compile option, whicht his makes superfluous.) | 
| 1474 | > | Added -u rendering option for pure Monte Carlo sampling. | 
| 1475 | > | (Got rid of -DMC compile option, which this makes superfluous.) | 
| 1476 | > |  | 
| 1477 | > | Changed -t option of rlam to accept strings as well as single characters. | 
| 1478 | > |  | 
| 1479 | > | Fixed bug in rcalc with -l option where it would sometimes go into an | 
| 1480 | > | infinite loop. | 
| 1481 | > |  | 
| 1482 | > | Fixed truly ancient bug in bounding box computation for cones, which | 
| 1483 | > | could (and did) cause missing segments. | 
| 1484 | > |  | 
| 1485 | > | Added -z option to normtiff to output LZW-compressed files. | 
| 1486 | > |  | 
| 1487 | > | Last change to total causes it to produce results when it sees an empty | 
| 1488 | > | line on the input.  This was not intentional, but I decided I like this | 
| 1489 | > | behavior so I documented it rather than changing it. | 
| 1490 | > |  | 
| 1491 | > | ===================== | 
| 1492 | > | Version 3.8 | 
| 1493 | > |  | 
| 1494 | > | Fixed Russian roulette ray termination, which was doing the opposite of | 
| 1495 | > | what it should have been doing, resulting in overestimated values below | 
| 1496 | > | minimum ray sampling weight (serious). | 
| 1497 | > |  | 
| 1498 | > | Changed mksource to use 98th percentile (rather than 99th) for threshold. | 
| 1499 | > |  | 
| 1500 | > | (Above changes included in 3.7.1 patch release.) | 
| 1501 | > |  | 
| 1502 | > | Eliminated writing of EXPOSURE= line in ra_tiff -r when source TIFF | 
| 1503 | > | does not have STONITS set. | 
| 1504 | > |  | 
| 1505 | > | Fixed bug in ambient calculation that caused black values for multiple | 
| 1506 | > | bounces in some scenes.  Thanks to Mark Stock for creating and sharing | 
| 1507 | > | the sophisticated test scene that demonstrated this problem. | 
| 1508 | > |  | 
| 1509 | > | Fixed bug in antimatter using Russian Roulette sampling. | 
| 1510 | > |  | 
| 1511 | > | (Above changes included in 3.7.2 patch release 22 Aug 2005.) |