From f2af09bb3581214f86070aaf15f26d28049cefbe Mon Sep 17 00:00:00 2001
From: Colin Maudry <colin@maudry.com>
Date: Wed, 18 Mar 2026 22:22:54 +0100
Subject: [PATCH] fix: use streaming collect and filter zero distances in
 get_distance_histogram

---
 src/figures.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/figures.py b/src/figures.py
index ea87874..ea8d905 100644
--- a/src/figures.py
+++ b/src/figures.py
@@ -580,7 +580,12 @@ def make_clusters_map(region: dict) -> dl.Map:
 
 
 def get_distance_histogram(lff: pl.LazyFrame) -> dcc.Graph:
-    dff = lff.select("titulaire_distance").drop_nulls().collect()
+    dff = (
+        lff.select("titulaire_distance")
+        .drop_nulls()
+        .filter(pl.col("titulaire_distance") > 0)
+        .collect(engine="streaming")
+    )
     dff = dff.with_columns(pl.col("titulaire_distance").log(10))
     fig = px.histogram(
         dff,