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Implement --support-material-enforce-layers

new-support2
Alessandro Ranellucci 2013-07-25 22:32:03 +02:00
parent d82191bf28
commit cdc7091114
1 changed files with 11 additions and 3 deletions
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14
lib/Slic3r/Print/Object.pm
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@ -842,16 +842,24 @@ sub generate_support_material {
my $diff;
# If a threshold angle was specified, use a different logic for detecting overhangs.
if (defined $threshold_rad) {
my $d = scale $lower_layer->height * ((cos $threshold_rad) / (sin $threshold_rad));
if (defined $threshold_rad || $layer_id <= $Slic3r::Config->support_material_enforce_layers) {
my $d = defined $threshold_rad
? scale $lower_layer->height * ((cos $threshold_rad) / (sin $threshold_rad))
: 0;
$diff = diff(
[ offset([ map $_->p, @{$layerm->slices} ], -$d) ],
[ map @$_, @{$lower_layer->slices} ],
);
# only enforce spacing from the object ($fw/2) if the threshold angle
# is not too high: in that case, $d will be very small (as we need to catch
# very short overhangs), and such contact area would be eaten by the
# enforced spacing, resulting in high threshold angles to be almost ignored
$diff = diff(
[ offset($diff, $d - $fw/2) ],
[ map @$_, @{$lower_layer->slices} ],
);
) if $d > $fw/2;
} else {
$diff = diff(
[ offset([ map $_->p, @{$layerm->slices} ], -$fw/2) ],