Copy skeleton from ext4

[hubacji1/rrts.git] / README.md

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@@ -34,12 +34,13 @@ and upgrades to RRT, *extensions* are declared in `rrtext.h` and implemented in
 
 ## Implemented extensions
 There is a list of implemented extensions and what they include:
+- `rrtext9.cc`: store RRT nodes to 3D grid,
 - `rrtext8.cc`: 3D [K-d tree][] for node storage.
 - `rrtext7.cc`: 2D [K-d tree][] for node storage.
 - `rrtext6.cc`: Reeds and Shepp for both -- building and search costs,
 - `rrtext5.cc`: different cost for building (Reeds and Shepp) and searching
   (Euclidean distance),
-- `rrtext4.cc`: store RRT nodes to grid,
+- `rrtext4.cc`: store RRT nodes to 2D grid,
 - `rrtext3.cc`: Dijkstra algorithm for path optimization,
 - `rrtext2.cc`: [cute c2][] for collision detection,
 - `rrtext1.cc`: different cost for building (Reeds and Shepp) and searching