| # | Line 1542 | Line 1542 | refuses to do without this option. | |
|---|---|---|
| 1542 | ||
| 1543 | Made rtcontrib flush output when handed a zero-length ray vector, | |
| 1544 | to match behavior of rtrace. | |
| 1545 | + | |
| 1546 | + | Improved color scale for falsecolor output. |
| 1547 | + | |
| 1548 | + | Added threshold test for Fresnel approximation to prevent its use |
| 1549 | + | on smooth surfaces with unrealistically low specularities (less than 1.8%). |
| 1550 | + | Water has a specular reflectance of 2.1% at room temperture. |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |