formZ SDK | 5.0 API Reference | System | Math

# fz_math_2d_angle_of_line_seg

Description

Finds the angle of a 2d line segment (defined by it's start and end points) in 2d space. The angle is measured from the positive x axis (3 o'clock position) with a positive rotation defined as counter-clockwise. The angle is returned in radians.

Plugin Prototype

fzrt_error_td fz_math_2d_angle_of_line_seg(

fz_xy_td * | line_start,
fz_xy_td * | line_end,
double * | angle )

Parameters

line_start [Input]

start point of line segment

line_end [Input]

end point of line segment

angle [Result]

angle of the line segment

Returns

Error codes

Availability

5.0.0.0

Example Files

util_math_2d.fsl

Function Set

fz_math_fset

Defined in

fz_math_api.h