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Integration of spline based layer height postprocessing

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This commit is contained in:
Florens Wasserfall 2017-01-26 09:22:04 +01:00
parent 7293f56f9b
commit a3867b0be8
6 changed files with 143 additions and 112 deletions
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2
lib/Slic3r/GUI/Plater.pm
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@ -149,9 +149,9 @@ sub new {
$self->{htoolbar}->AddTool(TB_SCALE, "Scale…", Wx::Bitmap->new($Slic3r::var->("arrow_out.png"), wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddTool(TB_SPLIT, "Split", Wx::Bitmap->new($Slic3r::var->("shape_ungroup.png"), wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddTool(TB_CUT, "Cut…", Wx::Bitmap->new($Slic3r::var->("package.png"), wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddTool(TB_LAYERS, "Layers…", Wx::Bitmap->new($Slic3r::var->("cog.png"), wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddSeparator;
$self->{htoolbar}->AddTool(TB_SETTINGS, "Settings…", Wx::Bitmap->new($Slic3r::var->("cog.png"), wxBITMAP_TYPE_PNG), '');
$self->{htoolbar}->AddTool(TB_LAYERS, "Layers…", Wx::Bitmap->new($Slic3r::var->("layers.png"), wxBITMAP_TYPE_PNG), '');
} else {
my %tbar_buttons = (
add => "Add…",

22
lib/Slic3r/GUI/Plater/ObjectLayersDialog.pm
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@ -4,6 +4,7 @@ use warnings;
use utf8;
use Slic3r::Geometry qw(PI X scale unscale);
use Slic3r::Print::State ':steps';
use List::Util qw(min max sum first);
use Wx qw(wxTheApp :dialog :id :misc :sizer wxTAB_TRAVERSAL);
use Wx::Event qw(EVT_CLOSE EVT_BUTTON);
@ -14,12 +15,11 @@ sub new {
my ($parent, %params) = @_;
my $self = $class->SUPER::new($parent, -1, $params{object}->name, wxDefaultPosition, [500,500], wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER);
$self->{model_object} = $params{model_object};
my $model_object = $self->{model_object} = $params{model_object};
my $obj_idx = $self->{obj_idx} = $params{obj_idx};
my $plater = $self->{plater} = $parent;
my $object = $self->{object} = $self->{plater}->{print}->get_object($self->{obj_idx});
# Initialize 3D toolpaths preview
if ($Slic3r::GUI::have_OpenGL) {
$self->{preview3D} = Slic3r::GUI::Plater::3DPreview->new($self, $plater->{print});
@ -32,8 +32,8 @@ sub new {
$self->{preview3D}->load_print;
$self->{preview3D}->canvas->zoom_to_volumes;
}
$self->{splineControl} = Slic3r::GUI::Plater::SplineControl->new($self, Wx::Size->new(100, 200));
$self->{splineControl} = Slic3r::GUI::Plater::SplineControl->new($self, Wx::Size->new(200, 200), $object);
my $right_sizer = Wx::BoxSizer->new(wxVERTICAL);
$right_sizer->Add($self->{splineControl}, 1, wxEXPAND | wxALL, 0);
@ -46,9 +46,7 @@ sub new {
$self->SetSize([800, 600]);
$self->SetMinSize($self->GetSize);
# init spline control values
my $object = $self->{plater}->{print}->get_object($self->{obj_idx});
# init spline control values
# determine min and max layer height from perimeter extruder capabilities.
my %extruders;
for my $region_id (0 .. ($object->region_count - 1)) {
@ -62,10 +60,12 @@ sub new {
$self->{splineControl}->set_size_parameters($min_height, $max_height, unscale($object->size->z));
# get array of current Z coordinates for selected object
my @layer_heights = map $_->print_z, @{$object->layers};
$self->{splineControl}->set_layer_points(@layer_heights);
$self->{splineControl}->on_layer_update(sub {
# trigger re-slicing
$self->{object}->invalidate_step(STEP_SLICE);
$self->{plater}->start_background_process;
});
return $self;
}

222
lib/Slic3r/Print/Object.pm
View File

@ -89,118 +89,144 @@ sub slice {
my $slice_z = 0;
my $height = 0;
my $cusp_height = 0;
my @layers = ();
# create stateful objects and variables for the adaptive slicing process
my @adaptive_slicing;
my $min_height = 0;
my $max_height = 0;
if ($self->config->adaptive_slicing) {
for my $region_id (0 .. ($self->region_count - 1)) {
my $mesh;
foreach my $volume_id (@{ $self->get_region_volumes($region_id) }) {
my $volume = $self->model_object->volumes->[$volume_id];
next if $volume->modifier;
if (defined $mesh) {
$mesh->merge($volume->mesh);
} else {
$mesh = $volume->mesh->clone;
}
}
if (defined $mesh) {
$adaptive_slicing[$region_id] = Slic3r::AdaptiveSlicing->new(
mesh => $mesh,
size => $self->size->z
);
}
}
# determine min and max layer height from perimeter extruder capabilities.
if($self->region_count > 1) { # multimaterial object
$min_height = max(map {$self->print->config->get_at('min_layer_height', $_)} (0..($self->region_count-1)));
$max_height = min(map {$self->print->config->get_at('max_layer_height', $_)} (0..($self->region_count-1)));
}else{ #single material object
my $perimeter_extruder = $self->print->get_region(0)->config->get('perimeter_extruder')-1;
$min_height = $self->print->config->get_at('min_layer_height', $perimeter_extruder);
$max_height = $self->print->config->get_at('max_layer_height', $perimeter_extruder);
}
}
# loop until we have at least one layer and the max slice_z reaches the object height
my $max_z = unscale($self->size->z);
while (($slice_z - $height) <= $max_z) {
if ($self->config->adaptive_slicing) {
$height = 999;
my $cusp_value = $self->config->get_value('cusp_value');
Slic3r::debugf "\n Slice layer: %d\n", $id;
# determine next layer height
for my $region_id (0 .. ($self->region_count - 1)) {
# get cusp height
next if(!defined $adaptive_slicing[$region_id]);
my $cusp_height = $adaptive_slicing[$region_id]->cusp_height(scale $slice_z, $cusp_value, $min_height, $max_height);
# check for horizontal features and object size
if($self->config->get_value('match_horizontal_surfaces')) {
my $horizontal_dist = $adaptive_slicing[$region_id]->horizontal_facet_distance(scale $slice_z+$cusp_height, $min_height);
if(($horizontal_dist < $min_height) && ($horizontal_dist > 0)) {
Slic3r::debugf "Horizontal feature ahead, distance: %f\n", $horizontal_dist;
# can we shrink the current layer a bit?
if($cusp_height-($min_height-$horizontal_dist) > $min_height) {
# yes we can
$cusp_height = $cusp_height-($min_height-$horizontal_dist);
Slic3r::debugf "Shrink layer height to %f\n", $cusp_height;
}else{
# no, current layer would become too thin
$cusp_height = $cusp_height+$horizontal_dist;
Slic3r::debugf "Widen layer height to %f\n", $cusp_height;
}
}
}
if(!$self->layer_height_spline->updateRequired) { # layer heights are already generated, just update layers from spline
@layers = @{$self->layer_height_spline->getInterpolatedLayers};
}else{ # create new set of layers
# create stateful objects and variables for the adaptive slicing process
my @adaptive_slicing;
my $min_height = 0;
my $max_height = 0;
if ($self->config->adaptive_slicing) {
for my $region_id (0 .. ($self->region_count - 1)) {
my $mesh;
foreach my $volume_id (@{ $self->get_region_volumes($region_id) }) {
my $volume = $self->model_object->volumes->[$volume_id];
next if $volume->modifier;
if (defined $mesh) {
$mesh->merge($volume->mesh);
} else {
$mesh = $volume->mesh->clone;
}
}
$height = ($id == 0)
? $self->config->get_value('first_layer_height')
: min($cusp_height, $height);
}
}else{
# assign the default height to the layer according to the general settings
$height = ($id == 0)
? $self->config->get_value('first_layer_height')
: $self->config->layer_height;
}
# look for an applicable custom range
if (my $range = first { $_->[0] <= $slice_z && $_->[1] > $slice_z } @{$self->layer_height_ranges}) {
$height = $range->[2];
# if user set custom height to zero we should just skip the range and resume slicing over it
if ($height == 0) {
$slice_z += $range->[1] - $range->[0];
next;
if (defined $mesh) {
$adaptive_slicing[$region_id] = Slic3r::AdaptiveSlicing->new(
mesh => $mesh,
size => $self->size->z
);
}
}
}
# determine min and max layer height from perimeter extruder capabilities.
if($self->region_count > 1) { # multimaterial object
$min_height = max(map {$self->print->config->get_at('min_layer_height', $_)} (0..($self->region_count-1)));
$max_height = min(map {$self->print->config->get_at('max_layer_height', $_)} (0..($self->region_count-1)));
}else{ #single material object
my $perimeter_extruder = $self->print->get_region(0)->config->get('perimeter_extruder')-1;
$min_height = $self->print->config->get_at('min_layer_height', $perimeter_extruder);
$max_height = $self->print->config->get_at('max_layer_height', $perimeter_extruder);
}
}
# loop until we have at least one layer and the max slice_z reaches the object height
my $max_z = unscale($self->size->z);
while (($slice_z) < $max_z) {
if ($self->config->adaptive_slicing) {
$height = 999;
my $cusp_value = $self->config->get_value('cusp_value');
Slic3r::debugf "\n Slice layer: %d\n", $id;
# determine next layer height
for my $region_id (0 .. ($self->region_count - 1)) {
# get cusp height
next if(!defined $adaptive_slicing[$region_id]);
my $cusp_height = $adaptive_slicing[$region_id]->cusp_height(scale $slice_z, $cusp_value, $min_height, $max_height);
# check for horizontal features and object size
if($self->config->get_value('match_horizontal_surfaces')) {
my $horizontal_dist = $adaptive_slicing[$region_id]->horizontal_facet_distance(scale $slice_z+$cusp_height, $min_height);
if(($horizontal_dist < $min_height) && ($horizontal_dist > 0)) {
Slic3r::debugf "Horizontal feature ahead, distance: %f\n", $horizontal_dist;
# can we shrink the current layer a bit?
if($cusp_height-($min_height-$horizontal_dist) > $min_height) {
# yes we can
$cusp_height = $cusp_height-($min_height-$horizontal_dist);
Slic3r::debugf "Shrink layer height to %f\n", $cusp_height;
}else{
# no, current layer would become too thin
$cusp_height = $cusp_height+$horizontal_dist;
Slic3r::debugf "Widen layer height to %f\n", $cusp_height;
}
}
}
$height = ($id == 0)
? $self->config->get_value('first_layer_height')
: min($cusp_height, $height);
}
}else{
# assign the default height to the layer according to the general settings
$height = ($id == 0)
? $self->config->get_value('first_layer_height')
: $self->config->layer_height;
}
# look for an applicable custom range
if (my $range = first { $_->[0] <= $slice_z && $_->[1] > $slice_z } @{$self->layer_height_ranges}) {
$height = $range->[2];
if ($first_object_layer_height != -1 && !@{$self->layers}) {
$height = $first_object_layer_height;
$print_z += ($first_object_layer_distance - $height);
# if user set custom height to zero we should just skip the range and resume slicing over it
if ($height == 0) {
$slice_z += $range->[1] - $range->[0];
next;
}
}
# set first layer height if raft is active
if ($first_object_layer_height != -1 && !@layers) {
$height = $first_object_layer_height;
#$print_z += ($first_object_layer_distance - $height);
}
$slice_z += $height;
$id++;
# collect layers for spline smoothing
push (@layers, $slice_z);
}
$self->layer_height_spline->setLayers(\@layers);
if ($self->config->adaptive_slicing) { # smoothing after adaptive algorithm
$self->layer_height_spline->setLayers($self->layer_height_spline->getInterpolatedLayers);
}
}
$id = 0;
if ($self->config->raft_layers > 0) {
$id = $self->config->raft_layers;
}
# generate layer objects
$slice_z = 0;
foreach my $z (@layers) {
$height = $z - $slice_z;
$print_z += $height;
$slice_z += $height/2;
### Slic3r::debugf "Layer %d: height = %s; slice_z = %s; print_z = %s\n", $id, $height, $slice_z, $print_z;
Slic3r::debugf "Layer %d: height = %s; slice_z = %s; print_z = %s\n", $id, $height, $slice_z, $print_z;
$self->add_layer($id, $height, $print_z, $slice_z);
if ($self->layer_count >= 2) {
my $lc = $self->layer_count;
$self->get_layer($lc - 2)->set_upper_layer($self->get_layer($lc - 1));
$self->get_layer($lc - 1)->set_lower_layer($self->get_layer($lc - 2));
}
$id++;
$slice_z += $height/2; # add the other half layer
}
}

4
xs/src/libslic3r/Print.hpp
View File

@ -12,7 +12,7 @@
#include "Layer.hpp"
#include "Model.hpp"
#include "PlaceholderParser.hpp"
#include "LayerHeightSpline.hpp"
namespace Slic3r {
@ -83,6 +83,8 @@ class PrintObject
PrintObjectConfig config;
t_layer_height_ranges layer_height_ranges;
LayerHeightSpline layer_height_spline;
// this is set to true when LayerRegion->slices is split in top/internal/bottom
// so that next call to make_perimeters() performs a union() before computing loops
bool typed_slices;

3
xs/src/libslic3r/PrintObject.cpp
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@ -8,7 +8,8 @@ namespace Slic3r {
PrintObject::PrintObject(Print* print, ModelObject* model_object, const BoundingBoxf3 &modobj_bbox)
: typed_slices(false),
_print(print),
_model_object(model_object)
_model_object(model_object),
layer_height_spline(modobj_bbox.size().z)
{
// Compute the translation to be applied to our meshes so that we work with smaller coordinates
{

2
xs/xsp/Print.xsp
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@ -58,6 +58,8 @@ _constant()
Points copies();
t_layer_height_ranges layer_height_ranges()
%code%{ RETVAL = THIS->layer_height_ranges; %};
Ref<LayerHeightSpline> layer_height_spline()
%code%{ RETVAL = &THIS->layer_height_spline; %};
Ref<Point3> size()
%code%{ RETVAL = &THIS->size; %};
Clone<BoundingBox> bounding_box();