I would like an a开发者_开发百科lgorithm to calculate the convex hull of 4 2D points. I have looked at the algorithms for the generalized problem, but I wonder if there is a simple solution for 4 poin
Here is some code: struct K : CGAL::Exact_predicates_inexact_constructions_kernel {}; typedef CGAL::Triangulation_vertex_base_2<K>Vb;
I am trying to use CGAL to do some Delaunay triangulation.I used one of the CGAL samples to compute a triangulation which includes a height field attribute.
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How does: (1 + 2 + ... + N) / N =(N + 1) / 2 or (1 + 2 + ... + N + N) / N = (N + 3) / 2 My textbook says this is elementary math but I have开发者_如何学Go forgotten the method for finding the answ
I want to find when a collision between a static and a moving ball occurs, but the algorithm I came up with, sometimes doesn\'t detect a collision and the moving ball goes through the static one. The
I can\'t find any code for doing this. The only places I can find it is in GIS APIs. Preferably in java, but I can port other languages too. 开发者_Python百科I\'d even settle for a overview of all the
How can I draw a开发者_开发知识库 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 l
I\'m stuck with this little problem and my algorithm to solve this doesn\'t hold for all cases. Does anybody has an id开发者_运维百科ea how to solve this?
I\'m trying to implement a geometry templating engine.One of the parts is taking a prototypical polygonal mesh and aligning an instantiation with some points in the larger object.
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