formZ SDK | 5.0 API Reference | Project | Modeling | Objects | Analysis
Description
Returns all possible tangent points on a segment from a given world point For straight lines theres are none. For arcs there are two possible tangent points for all points outside the circle and none for points inside the circle. For spline segments there could be many such points.
Plugin Prototype
fzrt_error_td fz_objt_alys_get_segt_tangent_pts(
fzrt_int | windex, |
obj, | |
fzrt_int | sindx, |
model_type, | |
pt, | |
pts_list ) |
Parameters
windex [Input]
project window index
obj [Input]
object
sindx [Input]
segment index
model_type [Input]
object topology type. FZ_OBJT_MODEL_TYPE_UNSPEC may be used to use the object's natural model type.
pt [Input]
world point
pts_list [Result]
list of tangent points
Returns
Error codes
Availability
7.0.0.0
Example Files
See Also
fz_objt_alys_get_segt_geom_type, fz_objt_alys_get_segt_bbox,, fz_objt_alys_get_segt_arc_parm, fz_objt_alys_get_segt_spline_parm, fz_objt_alys_get_pnt_on_segt
Function Set
Defined in