formZ SDK | 5.0 API Reference | System | Nurbs Curve

# fz_ncrv_evaluate_derivatives_at_parm

Description

Evaluates a point and tangent on a NURBS curve at t.

Plugin Prototype

fzrt_error_td fz_ncrv_evaluate_derivatives_at_parm(

fz_nurbs_cur_ptr | crv,
double | t,
fz_xyz_td * | point,
fz_xyz_td * | tangent )

Parameters

crv [Input]

NURBS curve

t [Input]

parameter

point [Result]

Point on curve

tangent [Result]

Tangent vector

Returns

Error codes

Availability

5.0.0.0

Example Files

util_ncrv.fsl

Function Set

fz_ncrv_fset

Defined in

fz_ncrv_api.h