From cb0ed22a7755e6e018366d1da46305f9191a25d3 Mon Sep 17 00:00:00 2001
From: Alan Morris <akenmorris@gmail.com>
Date: Fri, 28 Aug 2026 12:13:48 -0600
Subject: [PATCH] Fix #2644 - Studio: correspondence quality chart x-axis
 extends to zero instead of the first sampleStudio: correspondence quality
 chart x-axis extends to zero instead of the first sample

---
 Studio/Utils/AnalysisUtils.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Studio/Utils/AnalysisUtils.cpp b/Studio/Utils/AnalysisUtils.cpp
index 377fff1cbf..cc2d434edf 100644
--- a/Studio/Utils/AnalysisUtils.cpp
+++ b/Studio/Utils/AnalysisUtils.cpp
@@ -148,7 +148,8 @@ void AnalysisUtils::create_ranked_plot(JKQTPlotter* plot, const std::vector<Rank
     if (use_log && value <= 0) {
       continue;
     }
-    auto* line = new JKQTPGeoInfiniteLine(plot->getPlotter(), 0, value, 1, 0, QColor(120, 120, 120), 1, Qt::DashLine);
+    // anchored on the first sample so zoomToFit() does not stretch the axis back to zero
+    auto* line = new JKQTPGeoInfiniteLine(plot->getPlotter(), 1, value, 1, 0, QColor(120, 120, 120), 1, Qt::DashLine);
     line->setTwoSided(true);
     plot->addGraph(line);
   }