formZ SDK | 5.0 API Reference | System | Math
Description
Given three 2d points, determines if they are colinear, using an
angle to define "colinear".
For efficiency, the angle passed in (cos_angle) must be the
cosine of the actual angle.
An appropriate angle is 0.1 degree for example.
Plugin Prototype
fzrt_error_td fz_math_2d_colinear_3_pts_tol(
fz_xy_td * | p1, |
fz_xy_td * | p2, |
fz_xy_td * | p3, |
double | cos_angle, |
is_colinear ) |
Parameters
p1 [Input]
2d point 1
p2 [Input]
2d point 2
p3 [Input]
2d point 3
cos_angle [Input]
cosine of the angle used to define colinear
is_colinear [Result]
TRUE if the points are colinear, FALSE otherwise
Returns
Error codes
Availability
5.0.0.0
Example Files
See Also
fz_math_2d_colinear_3_pts, fz_math_3d_colinear_3_pts_tol
Function Set
Defined in