line_segment.f90 File Reference

Modules
module	mod_cg2_line_segment

Functions/Subroutines
logical pure function	mod_cg2_line_segment::cg2_does_segments_intersect (p0, p1, q0, q1)
	Check if two line segments intersect [p0, p1] ∩ [q0, q1].
logical pure function	mod_cg2_line_segment::cg2_does_line_intersect_segment (l0, l1, s0, s1)
	Check if a line intersect a line segment (l0, l1) ∩ [s0, s1].
double precision pure function	mod_cg2_line_segment::cg2_line_point_distance (l0, l1, p)
	Return the distance of the point p to the line (l0, l1).
double precision pure function	mod_cg2_line_segment::cg2_line_point_signed_distance (l0, l1, p, pref)
	Return the signed distance of point p to the line (l0, l1) relatively to the point pref.
pure subroutine	mod_cg2_line_segment::cg2_point_line_segment_closest_point (s0, s1, p, point)
	Return the closest point of point p to the line segment [s0, s1].
pure subroutine	mod_cg2_line_segment::cg2_line_segment_intersection (l0, l1, s0, s1, is_intersection, intersection_point)
	Return the intersection point of a line and a segment (l0, l1) ∩ [s0, s1].
pure subroutine	mod_cg2_line_segment::cg2_line_segment_intersection2 (origin, v, s0, s1, is_intersection, intersection_point)
	Return the intersection point of a line and a segment {origin, v} ∩ [s0, s1].
pure subroutine	mod_cg2_line_segment::cg2_line_segment_inclusive_intersection (l0, l1, s0, s1, is_intersection, intersection_point)
	Return the intersection point of a line and a segment (l0, l1) ∩ [s0, s1] including end points.
pure subroutine	mod_cg2_line_segment::cg2_segments_intersection (p0, p1, q0, q1, is_intersection, intersection_point)
	Return the intersection point of two line segments [p0, p1] ∩ [q0, q1].
pure subroutine	mod_cg2_line_segment::cg2_segment_ray_intersection (p0, p1, o, d, is_intersection, distance, intersection_point)
	Return the intersection point a line segment [p0, p1] and a ray.
pure subroutine	mod_cg2_line_segment::cg2_segments_overlap (p0, p1, q0, q1, s0, s1, are_overlapping)
	Check and compute the overlapping of two line segments.
subroutine	mod_cg2_line_segment::cg2_line_write_vtk_file (s0, s1, filename)
	Print a line segment into a VTK file for debug purpose.