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Merge pull request #1911 from sapir/speed

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Rewriting the extrusion path gcode generation in C++
This commit is contained in:
Alessandro Ranellucci 2014-04-07 09:38:21 +02:00
commit 1c020eda78
4 changed files with 79 additions and 25 deletions
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32
lib/Slic3r/GCode.pm
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@ -340,32 +340,14 @@ sub extrude_path {
# extrude arc or line
$gcode .= ";_BRIDGE_FAN_START\n" if $path->is_bridge;
my $path_length = 0;
my $path_length = unscale $path->length;
{
my $local_F = $F;
foreach my $line (@{$path->lines}) {
$path_length += my $line_length = unscale $line->length;
# calculate extrusion length for this line
my $E = 0;
$E = $self->extruder->extrude($e * $line_length) if $e;
# compose G-code line
my $point = $line->b;
$gcode .= sprintf "G1 X%.3f Y%.3f",
($point->x * &Slic3r::SCALING_FACTOR) + $self->shift_x - $self->extruder->extruder_offset->[X],
($point->y * &Slic3r::SCALING_FACTOR) + $self->shift_y - $self->extruder->extruder_offset->[Y]; #**
$gcode .= sprintf(" %s%.5f", $self->_extrusion_axis, $E)
if $E;
$gcode .= " F$local_F"
if $local_F;
$gcode .= " ; $description"
if $self->print_config->gcode_comments;
$gcode .= "\n";
# only include F in the first line
$local_F = 0;
}
$gcode .= $path->gcode($self->extruder, $e, $F,
$self->shift_x - $self->extruder->extruder_offset->[X],
$self->shift_y - $self->extruder->extruder_offset->[Y],
$self->_extrusion_axis,
$self->print_config->gcode_comments ? " ; $description" : "");
if ($self->enable_wipe) {
$self->wipe_path($path->polyline->clone);
$self->wipe_path->reverse;