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Merge pull request #3591 from lordofhyphens/3589-viewport-divide-by-zero

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Avoid recentering viewport if the bounding box is max size 0
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Alessandro Ranellucci 2016-12-16 22:02:44 +01:00 committed by GitHub
commit 7472077540
1 changed files with 7 additions and 4 deletions
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11
lib/Slic3r/GUI/3DScene.pm
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@ -376,12 +376,15 @@ sub zoom_to_bounding_box {
# bounding box # bounding box
my $max_size = max(@{$bb->size}) * 1.05; my $max_size = max(@{$bb->size}) * 1.05;
my $min_viewport_size = min($self->GetSizeWH); my $min_viewport_size = min($self->GetSizeWH);
$self->_zoom($min_viewport_size / $max_size); if ($max_size != 0) {
# only re-zoom if we have a valid bounding box, avoid a divide by 0 error.
$self->_zoom($min_viewport_size / $max_size);
# center view around bounding box center # center view around bounding box center
$self->_camera_target($bb->center); $self->_camera_target($bb->center);
$self->on_viewport_changed->() if $self->on_viewport_changed; $self->on_viewport_changed->() if $self->on_viewport_changed;
}
} }
sub zoom_to_bed { sub zoom_to_bed {