formZ SDK | 5.0 API Reference | System | Nurbs Surface
Description
Evaluates the position, tangent and normal on a NURBS surface given [u,v].
Plugin Prototype
fzrt_error_td fz_nsrf_evaluate_derivatives_at_parm(
srf, | |
double | uu, |
double | vv, |
point, | |
u_tangent, | |
v_tangent, | |
normal ) |
Parameters
srf [Input]
NURBS surface
uu [Input]
parameter in U
vv [Input]
parameter in V
point [Result]
Point on surface
u_tangent [Result]
Tangent vector in U
v_tangent [Result]
Tangent vector in V
normal [Result]
Normal on surface
Returns
Error codes
Availability
5.0.0.0
Example Files
See Also
Function Set
Defined in