Update GrainsAsEllipsoids.cpp

Correction following bug posted on the forum "Crash when a grain is only 2 points"
2026-03-16 10:45:41 +01:00
1 changed files with 5 additions and 0 deletions
@@ -719,6 +719,11 @@ bool GrainsAsEllipsoids::directFit(const Eigen::ArrayX3d& xyz, Eigen::ArrayXd& p

 	parameters.resize(10);

+	if (v.rows() != 10 || v.cols() != 1)
+	{
+		return false; // Invalid eigenvector size
+	}
+
 	parameters << v(0), v(1), v(2)
 		, 2 * v(5), 2 * v(4), 2* v(3)
 		, 2 * v(6), 2 * v(7), 2 * v(8)