Intersection of two lines
4 visualizzazioni (ultimi 30 giorni)
Mostra commenti meno recenti
Hi, I have four coplanar points P1, P2, P3 and P4 in 3d. I would like to calculate the intersection point among the line passing through P1 and P2 and that passing through P3 and P4.
Moreover I would like to evaluate the angle between the vector connecting such intersection and the origin with z-axis and then plot the vector.
0 Commenti
Risposta accettata
Matt J
il 21 Set 2021
Modificato: Matt J
il 21 Set 2021
You need a least squares solution, since lines in 3D do not generally intersect. Assuming your point data are in column-vector form, this is,
c=[P2-P1,P3-P4]\(P3-P1);
P_intersection=P1+c(1)*(P2-P1)
angle=acos(P_intersection(3)/norm(P_intersection))
Più risposte (0)
Vedere anche
Categorie
Scopri di più su Graphics Object Programming in Help Center e File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!