Top "Computational-geometry" questions

is a branch of computer science devoted to the study of algorithms which can be stated in terms of geometry.

Area of rectangle-rectangle intersection

Below are 2 rectangles. Given the coordinates of the rectangle vertices - (x1, y1)...(x8, y8), how can the area of …

c++ math computational-geometry
How to efficiently find k-nearest neighbours in high-dimensional data?

So I have about 16,000 75-dimensional data points, and for each point I want to find its k nearest neighbours (using …

algorithm data-structures computational-geometry nearest-neighbor dimensionality-reduction
line simplification algorithm: Visvalingam vs Douglas-Peucker

I am trying to implement a line simplification algorithm. The main 2 algorithms I found are: Ramer-Douglas-Peucker Visvalingam-Whyat Currently I am …

algorithm polygon computational-geometry simplification
an algorithm for fitting a rectangle inside a polygon

I have a kind of cutting problem. There is an irregular polygon that doesn't have any holes and a list …

algorithm polygon computational-geometry rectangles
How do I iterate over faces in CGAL

I am trying to use CGAL to do some Delaunay triangulation. I used one of the CGAL samples to compute …

c++ computational-geometry triangulation cgal delaunay
CGAL tutorial for beginners

Can anyone recommend a good set of CGAL tutorials for beginners? I have tried to read the documentation but it …

c++ computational-geometry cgal
Boolean Operations on SVG paths

As of early 2014, SVG spec does not have any built-in support for Boolean Operations Boolean operations are methods for altering …

javascript svg computational-geometry
how to align two meshes

I have a very nice & tricky question for you. I need to align two meshes using a very fast …

c computational-geometry mesh