From b96f537e8d8799a9b0f6586b807576ce73663eb9 Mon Sep 17 00:00:00 2001
From: Riccardo Boero <ribo@nilu.no>
Date: Tue, 30 Jan 2024 13:43:35 +0000
Subject: [PATCH] Update README.md

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 6dea878..066980e 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,9 @@ spatial_ref_sys |     0.02|        0|
 
 ![tables schema](FACT_bldgs.png "Tables")
 
+Properties in footprints contain a dictionary with height (-1 if missing) and confidence, example:
+>{ "height": -1.0, "confidence": -1.0 }
+
 **All spatial objects are converted to EPSG:4326.**
 
 ---
-- 
GitLab