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bugfix: cache raft height for z-indicator in preview to avoid segfault when reslicing

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This commit is contained in:
Florens Wasserfall 2017-06-20 10:45:29 +02:00
parent bdd3afa2ba
commit 6d063a4413
1 changed files with 8 additions and 3 deletions
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11
lib/Slic3r/GUI/Plater/ObjectSettingsDialog.pm
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@ -94,6 +94,9 @@ sub new {
my $plater = $self->{plater} = $params{plater};
my $object = $self->{object} = $self->{plater}->{print}->get_object($self->{obj_idx});
# store last raft height to correctly draw z-indicator plane during a running background job where the printObject is not valid
$self->{last_raft_height} = 0;
# Initialize 3D toolpaths preview
if ($Slic3r::GUI::have_OpenGL) {
$self->{preview3D} = Slic3r::GUI::Plater::3DPreview->new($self, $plater->{print});
@ -187,9 +190,11 @@ sub new {
my ($z) = @_;
if($z) { # compensate raft height
my $top_layer = $self->{object}->get_layer($self->{object}->layer_count-1);
my $raft_height = max(0, $top_layer->print_z - unscale($self->{object}->size->z));
$z += $raft_height;
if($self->{object}->layer_count > 0) { # printobject is not valid during toolpath generation but preview still shows last result
my $top_layer = $self->{object}->get_layer($self->{object}->layer_count-1);
$self->{last_raft_height} = max(0, $top_layer->print_z - unscale($self->{object}->size->z));
}
$z += $self->{last_raft_height};
}
$self->{preview3D}->canvas->SetCuttingPlane(Z, $z, []);
$self->{preview3D}->canvas->Render;