How do you detect where two line segments intersect? [closed]
Feb 19, 2009 · Question A: Where do two line segments intersect? You know that two line segments a and b intersect. If you don't know that, check it with the tools I gave you in "Question C". Now you …
Shortest distance between two line segments - Stack Overflow
May 13, 2010 · I need a function to find the shortest distance between two line segments. A line segment is defined by two endpoints. So for example one of my line segments (AB) would be defined …
How do I calculate the normal vector of a line segment?
Apr 26, 2014 · Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line? I can find lots of stuff about doing this for planes in 3D, but …
Shortest distance between a point and a line segment
EDIT: My line segment is defined by two endpoints. So my line segment AB is defined by the two points A (x1,y1) and B (x2,y2). I'm trying to find the distance between this line segment and a point C …
Perpendicular on a line from a given point - Stack Overflow
Jul 21, 2016 · How can I draw a perpendicular on a line segment from a given point? My line segment is defined as (x1, y1), (x2, y2), If I draw a perpendicular from a point (x3,y3) and it meets to line on …
Join multiple line segments into one line - GIS - Stack Overflow
Jul 21, 2013 · This will merge them all into one segment. Then you can export the nodes (regular only), this being the points of intersection. Then you can split the dissolved line feature with the nodes. This …
Circle line-segment collision detection algorithm? - Stack Overflow
Jul 2, 2009 · I have a line from A to B and a circle positioned at C with the radius R. What is a good algorithm to use to check whether the line intersects the circle? And at what coordinate along the …
Testing whether a line segment intersects a sphere
Nov 7, 2011 · I am trying to determine whether a line segment (i.e. between two points) intersects a sphere. I am not interested in the position of the intersection, just whether or not the segment …
Theorem 7: If a line segment joining two points subtends equal ... - Toppr
A line segment joining 2 points subtends equal angles at 2 other points lying on same side of line. All four points should lie on a .
The algorithm to find the point of intersection of two 3D line segment
Feb 23, 2010 · Finding the point of intersection for two 2D line segments is easy; the formula is straight forward. But finding the point of intersection for two 3D line segments is not, I afraid. What is the alg...