From a4df0bdcc3a2b29b6f45a08d9279185811e2898b Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Thu, 26 Apr 2018 12:14:49 +0200
Subject: [PATCH] Fixed division by zero in get_zoom_to_bounding_box_factor on
 Linux

---
 lib/Slic3r/GUI/3DScene.pm | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/Slic3r/GUI/3DScene.pm b/lib/Slic3r/GUI/3DScene.pm
index 88137185b..190e96052 100644
--- a/lib/Slic3r/GUI/3DScene.pm
+++ b/lib/Slic3r/GUI/3DScene.pm
@@ -687,10 +687,7 @@ sub select_view {
 }
 
 sub get_zoom_to_bounding_box_factor {
-    my ($self, $bb) = @_;
-    
-    return undef if (! $self->init);
-    
+    my ($self, $bb) = @_;    
     my $max_bb_size = max(@{ $bb->size });
     return undef if ($max_bb_size == 0);
         
@@ -763,6 +760,8 @@ sub get_zoom_to_bounding_box_factor {
         $max_y = max($max_y, $margin_factor * 2 * abs($y_on_plane));
     }
     
+    return undef if (($max_x == 0) || ($max_y == 0));
+    
     my ($cw, $ch) = $self->GetSizeWH;
     my $min_ratio = min($cw / $max_x, $ch / $max_y);