| # | Line 89 | Line 89 | center of a parallel projection. | |
|---|---|---|
| 89 | .BI -vd " xd yd zd" | |
| 90 | Set the view direction vector to | |
| 91 | .I "xd yd zd". | |
| 92 | + | The length of this vector indicates the focal distance as needed by the |
| 93 | + | .I \-pd |
| 94 | + | option, described below. |
| 95 | .TP | |
| 96 | .BI -vu " xd yd zd" | |
| 97 | Set the view up vector (vertical direction) to | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |