Perform additional checks before merging solid surfaces (i.e. take flow and fill pattern into account)

issue1834
Alessandro Ranellucci 2014-02-10 13:19:44 +01:00
parent 634ccb33ab
commit 3d483722c6
8 changed files with 62 additions and 9 deletions

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@ -64,8 +64,54 @@ sub make_fill {
{
my @surfaces_with_bridge_angle = grep defined $_->bridge_angle, @{$layerm->fill_surfaces};
# group surfaces by distinct properties
my @groups = @{$layerm->fill_surfaces->group};
# merge compatible groups (we can generate continuous infill for them)
{
# cache flow widths and patterns used for all solid groups
# (we'll use them for comparing compatible groups)
my @is_solid = my @fw = my @pattern = ();
for (my $i = 0; $i <= $#groups; $i++) {
# we can only merge solid non-bridge surfaces, so discard
# non-solid surfaces
if ($groups[$i][0]->is_solid && (!$groups[$i][0]->is_bridge || $layerm->id == 0)) {
$is_solid[$i] = 1;
$fw[$i] = ($groups[$i][0]->surface_type == S_TYPE_TOP)
? $layerm->flow(FLOW_ROLE_TOP_SOLID_INFILL)->width
: $solid_infill_flow->width;
$pattern[$i] = $groups[$i][0]->is_external
? $layerm->config->solid_fill_pattern
: 'rectilinear';
} else {
$is_solid[$i] = 0;
$fw[$i] = 0;
$pattern[$i] = 'none';
}
}
# loop through solid groups
for (my $i = 0; $i <= $#groups; $i++) {
next if !$is_solid[$i];
# find compatible groups and append them to this one
for (my $j = $i+1; $j <= $#groups; $j++) {
next if !$is_solid[$j];
if ($fw[$i] == $fw[$j] && $pattern[$i] eq $pattern[$j]) {
# groups are compatible, merge them
push @{$groups[$i]}, @{$groups[$j]};
splice @groups, $j, 1;
splice @is_solid, $j, 1;
splice @fw, $j, 1;
splice @pattern, $j, 1;
}
}
}
}
# give priority to bridges
my @groups = sort { defined $a->[0]->bridge_angle ? -1 : 0 } @{$layerm->fill_surfaces->group(1)};
@groups = sort { defined $a->[0]->bridge_angle ? -1 : 0 } @groups;
foreach my $group (@groups) {
my $union_p = union([ map $_->p, @$group ], 1);

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@ -16,6 +16,13 @@ Surface::is_solid() const
|| this->surface_type == stInternalSolid;
}
bool
Surface::is_external() const
{
return this->surface_type == stTop
|| this->surface_type == stBottom;
}
bool
Surface::is_bridge() const
{

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@ -18,6 +18,7 @@ class Surface
unsigned short extra_perimeters;
double area() const;
bool is_solid() const;
bool is_external() const;
bool is_bridge() const;
#ifdef SLIC3RXS

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@ -21,14 +21,14 @@ SurfaceCollection::simplify(double tolerance)
/* group surfaces by common properties */
void
SurfaceCollection::group(std::vector<SurfacesPtr> *retval, bool merge_solid)
SurfaceCollection::group(std::vector<SurfacesPtr> *retval)
{
for (Surfaces::iterator it = this->surfaces.begin(); it != this->surfaces.end(); ++it) {
// find a group with the same properties
SurfacesPtr* group = NULL;
for (std::vector<SurfacesPtr>::iterator git = retval->begin(); git != retval->end(); ++git) {
Surface* gkey = git->front();
if ((gkey->surface_type == it->surface_type || (merge_solid && gkey->is_solid() && it->is_solid()))
if ( gkey->surface_type == it->surface_type
&& gkey->thickness == it->thickness
&& gkey->thickness_layers == it->thickness_layers
&& gkey->bridge_angle == it->bridge_angle) {

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@ -11,7 +11,7 @@ class SurfaceCollection
public:
Surfaces surfaces;
void simplify(double tolerance);
void group(std::vector<SurfacesPtr> *retval, bool merge_solid = false);
void group(std::vector<SurfacesPtr> *retval);
};
}

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@ -4,7 +4,7 @@ use strict;
use warnings;
use Slic3r::XS;
use Test::More tests => 16;
use Test::More tests => 15;
my $square = [ # ccw
[100, 100],
@ -71,7 +71,6 @@ is $surface->extra_perimeters, 2, 'extra_perimeters';
);
my $collection = Slic3r::Surface::Collection->new(@surfaces);
is scalar(@{$collection->group}), 2, 'group() returns correct number of groups';
is scalar(@{$collection->group(1)}), 1, 'group() returns correct number of solid groups';
}
__END__

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@ -16,6 +16,7 @@
%code{% RETVAL = THIS->thickness_layers; %};
double area();
bool is_solid() const;
bool is_external() const;
bool is_bridge() const;
%{

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@ -76,12 +76,11 @@ SurfaceCollection::set_surface_type(index, surface_type)
THIS->surfaces[index].surface_type = surface_type;
SV*
SurfaceCollection::group(merge_solid = false)
bool merge_solid
SurfaceCollection::group()
CODE:
// perform grouping
std::vector<SurfacesPtr> groups;
THIS->group(&groups, merge_solid);
THIS->group(&groups);
// build return arrayref
AV* av = newAV();