algorithm - How to find convex hull in a 3 dimensional space - Stack ...
Aug 24, 2013 · The algorithm find the successive convex hull vertex like this: the vertex immediately following a point p is the point that appears to be furthest to the right to someone standing at p and …
How to compute Convex Hull in C# - Stack Overflow
Nov 8, 2021 · How to compute the convex hull starting from collection of points? I am looking for an implementation of Convex hull algorithm in C#
Is there an efficient algorithm to generate a 2D concave hull?
The answer may still be interesting for somebody else: One may apply a variation of the marching square algorithm, applied (1) within the concave hull, and (2) then on (e.g. 3) different scales that my …
What's an efficient way to find if a point lies in the convex hull of a ...
May 25, 2013 · I would not use a convex hull algorithm, because you do not need to compute the convex hull, you just want to check whether your point can be expressed as a convex combination of …
How Graham's scan algorithm prepares points to find a convex hull?
Jun 2, 2024 · The start problem for Graham's algorithm is that you need one (1) point that's on the convex hull. If there is one point with the lowest Y coordinate, then you can easily prove that it's on …
Parallel Convex Hull Algorithm for 2D Convex Hull of a Simple Polygon
Sep 1, 2024 · I want to compute the convex hulls for each of these polygons on the GPU. That is, I need 600 convex hulls in the end. Melkman's convex hull algorithm is a popular choice for simple polygons …
algorithm - Find if a point is inside a convex hull for a set of points ...
Here is a sketch for the situation of two points, a blue one inside the convex hull (green) and the red one outside: For the red one, there exist bisections of the circle, such that the vectors from the point to …
Orthogonal hull algorithm - Stack Overflow
Sep 10, 2015 · The rectilinear convex hull is an ortho-convex shape, that is, the intersection of the shape with any horizontal or vertical line results in an empty set, a point, or a line segment.
convex hull - How to understand Shamos algorithm? - Stack Overflow
Nov 29, 2021 · I wanted to find shortest time algorithm for finding the diameter of a convex hull, so I found Shamos algorithm on wikipedia: GetAllAntiPodalPairs(p[1..n]) i0 = n i = 1 j = i + 1 wh...
algorithm - Convex Hull Misunderstanding? - Stack Overflow
Jun 27, 2012 · A convex hull is usually defined to be a minimal convex set. Including (1, 4), the set is convex, but it is not minimal because (1, 4) is on the line between two other points in the set: (0,4) …