posts: add 'kd-tree'

content/posts/2024-08-10-kd-tree/index.md

@@ -0,0 +1,27 @@
+---
+title: "k-d Tree"
+date: 2024-08-10T11:50:33+01:00
+draft: false # I don't care for draft mode, git has branches for that
+description: "Points in spaaaaace!"
+tags:
+  - algorithms
+  - data structures
+  - python
+categories:
+  - programming
+series:
+  - Cool algorithms
+favorite: false
+disable_feed: false
+---
+
+The [_k-d Tree_][wiki] is a useful way to map points in space and make them
+efficient to query.
+
+I ran into them during my studies in graphics, as they are one of the
+possible acceleration structures for [ray-casting] operations.
+
+[wiki]: https://en.wikipedia.org/wiki/K-d_tree
+[ray-casting]: https://en.wikipedia.org/wiki/Ray_casting
+
+<!--more-->