From d60585c6941e8741392c9f40337043c7050c2023 Mon Sep 17 00:00:00 2001
From: Erik Nygren <baerenjesus@gmail.com>
Date: Sun, 1 Sep 2019 13:09:33 +0000
Subject: [PATCH] Update changelog.md
---
changelog.md | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/changelog.md b/changelog.md
index 5e2512c9..d104886e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -5,10 +5,23 @@
The stock `ShortestPathPredictorForRailEnv` now respects the different agent speeds and updates their prediction accordingly.
### Changes in stock observation biulders
+
- `TreeObsForRailEnv` now has **11** features!
- 10th feature now indicates if a malfunctioning agent has been detected and how long the malfunction will still be present
- 11th feautre now indicates the minimal observed fractional speed of agents traveling in the same direction
+- `GlobalObsForRailEnv` now has new features!
+ - Targets and other agent targets still represented in same way
+ - `obs_agents_state` now contains 4 channels
+ - 0th channel -> agent direction at agent position
+ - 1st channel -> other agents direction at their positions
+ - 2nd channel -> all agent malfunction duration at their positions
+ - 3rd channel -> all agent fractional speeds at their positions
+- `LocalObsForRailEnv` was not update to Flatland 2.0 because it was never used by participants of the challenge.
+
+
### Changes in level generation
+
+
- Separation of `schedule_generator` from `rail_generator`:
- Renaming of `flatland/envs/generators.py` to `flatland/envs/rail_generators.py`
- `rail_generator` now only returns the grid and optionally hints (a python dictionary); the hints are currently use for distance_map and communication of start and goal position in complex rail generator.
--
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