
css - Is a concave border radius possible? - Stack Overflow
The #test div is a plain rectangle. But its :before and :after elements are half-side concave filled with the background color (white in this case). See .
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 …
How to form a Concave shape out of Convex shapes?
How would i split up the vertices of the concave shape so in the end the shape is formed out of as few convex shapes as possible? Whats the best practice for achieving my goal?
How do I efficiently determine if a polygon is convex, non-convex …
Jan 23, 2009 · I am having performance problems with fill XFillPolygon and, as the man page suggests, the first step I want to take is to specify the correct shape of the polygon. I am …
Algorithms for collision detection between concave polygons
Dec 11, 2013 · Is there any good algorithm for detection between concave polygons? I'd appreciate any help as so far I've only found algorithms for detection between convex polygons.
3d - Why all objects are sliding? Concave polygon collision shape …
Dec 15, 2021 · 1 I have a plane mesh. I just click on mesh -> create trimesh collision sibling Then, I have a collision shape (concave polygon) and if i adding kinematicBody3d, or StaticBody3d, …
Calculate bounding polygon of alpha shape from the Delaunay …
Apr 15, 2014 · Here is some Python code that does what you need. I modified the alpha-shape (concave hull) computation from here so that it doesn't insert inner edges (the only_outer …
Alpha shape (concave hull) algorithm in C# - Stack Overflow
May 18, 2013 · I'm in need of concave algorithm to outline shape from set of points, is there implementation in AForge.NET that I could use, I have read somewhere that AForge.NET has …
Find points that lie in a concave hull of a point cloud
Jan 13, 2022 · The method from the first thread you reference can be adopted to the concave case using the alpha-shape (sometimes called the concave hull) concept, which is what the …
geospatial - Alpha Parameter in alphashape Python Library for …
Dec 5, 2023 · I'm currently working on a geospatial analysis project in Python where I need to calculate the concave hull (alpha shape) of a set of geographical points. I'm using the …