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Fixed spiral vase regressions. Includes regression tests. #1773

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This commit is contained in:
Alessandro Ranellucci 2014-02-13 16:06:52 +01:00
parent 0060873f1c
commit 49d290accf
4 changed files with 66 additions and 47 deletions
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8
lib/Slic3r/GCode/Layer.pm
View File

@ -57,7 +57,7 @@ sub process_layer {
} }
# if we're going to apply spiralvase to this layer, disable loop clipping # if we're going to apply spiralvase to this layer, disable loop clipping
$self->gcodegen->enable_loop_clipping(!defined $self->spiralvase && !$self->spiralvase->enable); $self->gcodegen->enable_loop_clipping(!defined $self->spiralvase || !$self->spiralvase->enable);
if (!$self->second_layer_things_done && $layer->id == 1) { if (!$self->second_layer_things_done && $layer->id == 1) {
for my $extruder_id (sort keys %{$self->extruders}) { for my $extruder_id (sort keys %{$self->extruders}) {
@ -189,9 +189,9 @@ sub process_layer {
} }
# apply spiral vase post-processing if this layer contains suitable geometry # apply spiral vase post-processing if this layer contains suitable geometry
# (we must feed all the G-code into the post-processor otherwise it will # (we must feed all the G-code into the post-processor, including the first
# mess with positions) # bottom non-spiral layers otherwise it will mess with positions)
$gcode = $self->spiralvase->process_layer($gcode, $layer) $gcode = $self->spiralvase->process_layer($gcode)
if defined $self->spiralvase; if defined $self->spiralvase;
# apply vibration limit if enabled # apply vibration limit if enabled

7
lib/Slic3r/GCode/Reader.pm
View File

@ -10,6 +10,13 @@ has 'F' => (is => 'rw', default => sub {0});
our $Verbose = 0; our $Verbose = 0;
my @AXES = qw(X Y Z E); my @AXES = qw(X Y Z E);
sub clone {
my $self = shift;
return (ref $self)->new(
map { $_ => $self->$_ } (@AXES, 'F'),
);
}
sub parse { sub parse {
my $self = shift; my $self = shift;
my ($gcode, $cb) = @_; my ($gcode, $cb) = @_;

45
lib/Slic3r/GCode/SpiralVase.pm
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@ -3,54 +3,60 @@ use Moo;
has 'config' => (is => 'ro', required => 1); has 'config' => (is => 'ro', required => 1);
has 'enable' => (is => 'rw', default => sub { 0 }); has 'enable' => (is => 'rw', default => sub { 0 });
has 'gcode_reader' => (is => 'ro', default => sub { Slic3r::GCode::Reader->new }); has 'reader' => (is => 'ro', default => sub { Slic3r::GCode::Reader->new });
use Slic3r::Geometry qw(unscale); use Slic3r::Geometry qw(unscale);
sub process_layer { sub process_layer {
my $self = shift; my $self = shift;
my ($gcode, $layer) = @_; my ($gcode) = @_;
# This post-processor relies on several assumptions:
# - all layers are processed through it, including those that are not supposed
# to be transformed, in order to update the reader with the XY positions
# - each call to this method includes a full layer, with a single Z move
# at the beginning
# - each layer is composed by suitable geometry (i.e. a single complete loop)
# - loops were not clipped before calling this method
# if we're not going to modify G-code, just feed it to the reader # if we're not going to modify G-code, just feed it to the reader
# in order to update positions # in order to update positions
if (!$self->enable) { if (!$self->enable) {
$self->gcode_reader->parse($gcode, sub {}); $self->reader->parse($gcode, sub {});
return $gcode; return $gcode;
} }
# get total XY length for this layer by summing all extrusion moves # get total XY length for this layer by summing all extrusion moves
my $total_layer_length = 0; my $total_layer_length = 0;
my $layer_height = 0;
my $z = undef; my $z = undef;
Slic3r::GCode::Reader->new->parse($gcode, sub { $self->reader->clone->parse($gcode, sub {
my ($reader, $cmd, $args, $info) = @_; my ($reader, $cmd, $args, $info) = @_;
if ($cmd eq 'G1') { if ($cmd eq 'G1') {
$total_layer_length += $info->{dist_XY} if ($info->{extruding}) {
if $info->{extruding}; $total_layer_length += $info->{dist_XY};
} elsif (exists $args->{Z}) {
# get first Z $layer_height += $info->{dist_Z};
$z //= $args->{Z} $z //= $args->{Z};
if exists $args->{Z}; }
} }
}); });
my $new_gcode = ""; #use XXX; YYY [ $gcode, $layer_height, $z, $total_layer_length ];
my $layer_height = $layer->height;
# remove layer height from initial Z # remove layer height from initial Z
$z -= $layer_height; $z -= $layer_height;
my $newlayer = 0; my $new_gcode = "";
$self->gcode_reader->parse($gcode, sub { $self->reader->parse($gcode, sub {
my ($reader, $cmd, $args, $info) = @_; my ($reader, $cmd, $args, $info) = @_;
if ($cmd eq 'G1' && exists $args->{Z}) { if ($cmd eq 'G1' && exists $args->{Z}) {
# if this is the initial Z move of the layer, replace it with a # if this is the initial Z move of the layer, replace it with a
# (redundant) move to the last Z of previous layer # (redundant) move to the last Z of previous layer
my $line = $info->{raw}; my $line = $info->{raw};
$line =~ s/Z[.0-9]+/Z$z/; $line =~ s/ Z[.0-9]+/ Z$z/;
$new_gcode .= "$line\n"; $new_gcode .= "$line\n";
$newlayer = 1;
} elsif ($cmd eq 'G1' && !exists $args->{Z} && $info->{dist_XY}) { } elsif ($cmd eq 'G1' && !exists $args->{Z} && $info->{dist_XY}) {
# horizontal move # horizontal move
my $line = $info->{raw}; my $line = $info->{raw};
@ -58,11 +64,6 @@ sub process_layer {
$z += $info->{dist_XY} * $layer_height / $total_layer_length; $z += $info->{dist_XY} * $layer_height / $total_layer_length;
$line =~ s/^G1 /sprintf 'G1 Z%.3f ', $z/e; $line =~ s/^G1 /sprintf 'G1 Z%.3f ', $z/e;
$new_gcode .= "$line\n"; $new_gcode .= "$line\n";
} elsif ($newlayer) {
# remove the first travel move after layer change; extrusion
# will just blend to the first loop vertex
# TODO: should we adjust (stretch) E for the first loop segment?
$newlayer = 0;
} else { } else {
$new_gcode .= "$line\n"; $new_gcode .= "$line\n";
} }

53
t/shells.t
View File

@ -1,4 +1,4 @@
use Test::More tests => 17; use Test::More tests => 16;
use strict; use strict;
use warnings; use warnings;
@ -11,7 +11,7 @@ use List::Util qw(first sum);
use Slic3r; use Slic3r;
use Slic3r::Geometry qw(epsilon); use Slic3r::Geometry qw(epsilon);
use Slic3r::Test; use Slic3r::Test;
goto T;
{ {
my $config = Slic3r::Config->new_from_defaults; my $config = Slic3r::Config->new_from_defaults;
$config->set('skirts', 0); $config->set('skirts', 0);
@ -148,6 +148,7 @@ goto T;
$config->set('bottom_solid_layers', 0); $config->set('bottom_solid_layers', 0);
$config->set('skirts', 0); $config->set('skirts', 0);
$config->set('first_layer_height', '100%'); $config->set('first_layer_height', '100%');
$config->set('start_gcode', '');
# TODO: this needs to be tested with a model with sloping edges, where starting # TODO: this needs to be tested with a model with sloping edges, where starting
# points of each layer are not aligned - in that case we would test that no # points of each layer are not aligned - in that case we would test that no
@ -162,25 +163,33 @@ goto T;
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub { Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_; my ($self, $cmd, $args, $info) = @_;
$started_extruding = 1 if $info->{extruding}; if ($cmd eq 'G1') {
push @z_steps, ($args->{Z} - $self->Z) $started_extruding = 1 if $info->{extruding};
if $started_extruding && exists $args->{Z}; push @z_steps, $info->{dist_Z}
$travel_moves_after_first_extrusion++ if $started_extruding && $info->{dist_Z} > 0;
if $info->{travel} && $started_extruding && !exists $args->{Z}; $travel_moves_after_first_extrusion++
print "\n\n\n\n" if $info->{travel} && $started_extruding && !exists $args->{Z}; if $info->{travel} && $started_extruding && !exists $args->{Z};
}
}); });
is $travel_moves_after_first_extrusion, 0, "no gaps in spiral vase ($description)";
ok !(grep { $_ > $config->layer_height } @z_steps), "no gaps in Z ($description)"; # we allow one travel move after first extrusion: i.e. when moving to the first
# spiral point after moving to second layer (bottom layer had loop clipping, so
# we're slightly distant from the starting point of the loop)
ok $travel_moves_after_first_extrusion <= 1, "no gaps in spiral vase ($description)";
ok !(grep { $_ > $config->layer_height + epsilon } @z_steps), "no gaps in Z ($description)";
}; };
$test->('20mm_cube', 'solid model'); $test->('20mm_cube', 'solid model');
$test->('40x10', 'hollow model');
$config->set('z_offset', -10); $config->set('z_offset', -10);
$test->('20mm_cube', 'solid model with negative z-offset'); $test->('20mm_cube', 'solid model with negative z-offset');
### Disabled because the current unreliable medial axis code doesn't
### always produce valid loops.
###$test->('40x10', 'hollow model with negative z-offset');
} }
T: { {
my $config = Slic3r::Config->new_from_defaults; my $config = Slic3r::Config->new_from_defaults;
$config->set('spiral_vase', 1); $config->set('spiral_vase', 1);
$config->set('bottom_solid_layers', 0); $config->set('bottom_solid_layers', 0);
@ -190,8 +199,7 @@ T: {
$config->set('start_gcode', ''); $config->set('start_gcode', '');
my $print = Slic3r::Test::init_print('20mm_cube', config => $config); my $print = Slic3r::Test::init_print('20mm_cube', config => $config);
my $first_z_move_done = 0; my $z_moves = 0;
my $first_layer_done = 0;
my @this_layer = (); # [ dist_Z, dist_XY ], ... my @this_layer = (); # [ dist_Z, dist_XY ], ...
my $bottom_layer_not_flat = 0; my $bottom_layer_not_flat = 0;
@ -204,12 +212,14 @@ T: {
my ($self, $cmd, $args, $info) = @_; my ($self, $cmd, $args, $info) = @_;
if ($cmd eq 'G1') { if ($cmd eq 'G1') {
if (!$first_z_move_done) { if ($z_moves < 2) {
$bottom_layer_not_flat = 1 # skip everything up to the second Z move
if $info->{dist_Z} != $config->layer_height; # (i.e. start of second layer)
$first_z_move_done = 1; if (exists $args->{Z}) {
} elsif (!$first_layer_done) { $z_moves++;
$first_layer_done = 1 if $info->{dist_Z} > 0; $bottom_layer_not_flat = 1
if $info->{dist_Z} > 0 && $info->{dist_Z} != $config->layer_height;
}
} elsif ($info->{dist_Z} == 0 && $args->{Z}) { } elsif ($info->{dist_Z} == 0 && $args->{Z}) {
$null_z_moves_not_layer_changes = 1 $null_z_moves_not_layer_changes = 1
if $info->{dist_XY} != 0; if $info->{dist_XY} != 0;
@ -221,6 +231,7 @@ T: {
my $total_dist_XY = sum(map $_->[1], @this_layer); my $total_dist_XY = sum(map $_->[1], @this_layer);
$sum_of_partial_z_equals_to_layer_height = 1 $sum_of_partial_z_equals_to_layer_height = 1
if abs(sum(map $_->[0], @this_layer) - $config->layer_height) > epsilon; if abs(sum(map $_->[0], @this_layer) - $config->layer_height) > epsilon;
exit if $sum_of_partial_z_equals_to_layer_height;
foreach my $segment (@this_layer) { foreach my $segment (@this_layer) {
# check that segment's dist_Z is proportioned to its dist_XY # check that segment's dist_Z is proportioned to its dist_XY
$all_layer_segments_have_same_slope = 1 $all_layer_segments_have_same_slope = 1
@ -228,7 +239,7 @@ T: {
} }
@this_layer = (); @this_layer = ();
} else { } elsif ($info->{extruding} && $info->{dist_XY} > 0) {
$horizontal_extrusions = 1 $horizontal_extrusions = 1
if $info->{dist_Z} == 0; if $info->{dist_Z} == 0;
push @this_layer, [ $info->{dist_Z}, $info->{dist_XY} ]; push @this_layer, [ $info->{dist_Z}, $info->{dist_XY} ];