From: Eduardo DAVILA <eduardo.davila@creatis.insa-lyon.fr>
Date: Mon, 4 Apr 2022 12:43:57 +0000 (+0200)
Subject: #3486 box vtkTransform nomalize the input vector
X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=commitdiff_plain;h=71910b305dd5400b76c32efd40b367390b8a7a93;p=bbtk.git

#3486 box vtkTransform nomalize the input vector
---

diff --git a/packages/vtk/src/bbvtkTransform.cxx b/packages/vtk/src/bbvtkTransform.cxx
index c935a0d..b817609 100644
--- a/packages/vtk/src/bbvtkTransform.cxx
+++ b/packages/vtk/src/bbvtkTransform.cxx
@@ -117,6 +117,11 @@ namespace bbvtk
           v2[0]             = bbGetInputRotateToNormal()[0];
           v2[1]             = bbGetInputRotateToNormal()[1];
           v2[2]             = bbGetInputRotateToNormal()[2];
+          
+          double mag= sqrt( v2[0]*v2[0] + v2[1]*v2[1]+ v2[2]*v2[2] ) ;
+		  v2[0] = v2[0] / mag;
+		  v2[1] = v2[1] / mag;
+		  v2[2] = v2[2] / mag;
           vtkMath *vtkmath  = vtkMath::New();
           double ang        = acos ( vtkmath->Dot(v1,v2)  );
           ang               = vtkmath->DegreesFromRadians( ang );