1 |
< |
{ SCCSid "$SunId$ LBL" } |
2 |
< |
|
1 |
> |
{ RCSid: $Id$ } |
2 |
|
{ |
3 |
|
surf.cal - calculation of interpolated surface normal |
4 |
|
|
9 |
|
A11 A12 A13 / |
10 |
|
} |
11 |
|
|
12 |
+ |
surf_u = select(arg(1)+1, Py, Pz, Px); |
13 |
+ |
surf_v = select(arg(1)+1, Pz, Px, Py); |
14 |
+ |
|
15 |
|
surf_dx = surf_u*surf_v*arg(2) + surf_u*arg(5) + surf_v*arg(8) + arg(11); |
16 |
|
surf_dy = surf_u*surf_v*arg(3) + surf_u*arg(6) + surf_v*arg(9) + arg(12); |
17 |
|
surf_dz = surf_u*surf_v*arg(4) + surf_u*arg(7) + surf_v*arg(10) + arg(13); |
16 |
– |
|
17 |
– |
surf_u = select(arg(1)+1, Py, Pz, Px); |
18 |
– |
surf_v = select(arg(1)+1, Pz, Px, Py); |