From 36b4a149a48e4f1a3922572656a13c884dc1c5ad Mon Sep 17 00:00:00 2001
From: enricoturri1966 <enricoturri@seznam.cz>
Date: Tue, 22 Nov 2022 13:13:25 +0100
Subject: [PATCH] Gizmo measure - Fixed calculation of angle edge-plane

---
 src/libslic3r/Measure.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/Measure.cpp b/src/libslic3r/Measure.cpp
index 8213f9778..9105d65c8 100644
--- a/src/libslic3r/Measure.cpp
+++ b/src/libslic3r/Measure.cpp
@@ -34,7 +34,7 @@ static std::array<Vec3d, 3> orthonormal_basis(const Vec3d& v)
     std::array<Vec3d, 3> ret;
     ret[2] = v.normalized();
     int index;
-    ret[2].maxCoeff(&index);
+    ret[2].cwiseAbs().maxCoeff(&index);
     switch (index)
     {
     case 0: { ret[0] = Vec3d(ret[2].y(), -ret[2].x(), 0.0).normalized(); break; }