From 019ca4e033e6d6c0f42ab97ad9229d87acf90be7 Mon Sep 17 00:00:00 2001
From: Victor Lin <13424970+victorlin@users.noreply.github.com>
Date: Thu, 17 Oct 2024 12:57:48 -0700
Subject: [PATCH] =?UTF-8?q?=F0=9F=9A=A7=20adjust=20focus=20proportion=20ca?=
 =?UTF-8?q?lculation?=
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---
 src/components/tree/phyloTree/helpers.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/components/tree/phyloTree/helpers.js b/src/components/tree/phyloTree/helpers.js
index 0a038fa19..f604190e8 100644
--- a/src/components/tree/phyloTree/helpers.js
+++ b/src/components/tree/phyloTree/helpers.js
@@ -100,7 +100,13 @@ export const setDisplayOrder = ({nodes, focus}) => {
 
   if (focus) {
     const numVisible = nodes[0].n.tipCount;
-    const yProportionFocused = Math.max(0.8, numVisible / nodes.length);
+
+    let yProportionFocused = 0.8;
+    // Adjust for a small number of visible tips (n<4)
+    yProportionFocused = Math.min(yProportionFocused, numVisible / 5);
+    // Adjust for a large number of visible tips (>80% of all tips)
+    yProportionFocused = Math.max(yProportionFocused, numVisible / nodes.length);
+
     const yPerFocused = (yProportionFocused * nodes.length) / numVisible;
     const yPerUnfocused = ((1 - yProportionFocused) * nodes.length) / (nodes.length - numVisible);
     incrementer = (() => {