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