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Improve overhang slowdown granularity & line segmentation handling (#5996)

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* Increase granularity of extrusion move splitting for small line segments ending in an overhang

* Parameter tweak

* Increase granularity of estimation for curled perimeters

* Adjust parameters following experimentation with overhang prints

* Updated overhang segmentation logic

* Cleanup code comments
This commit is contained in:
Ioannis Giannakas 2024-08-01 17:38:08 +03:00 • committed by GitHub
parent cfe21e5e34
commit c5d417ed89
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2 changed files with 51 additions and 12 deletions
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11
src/libslic3r/GCode.cpp
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@ -5269,8 +5269,7 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
ref_speed, speed, m_config.slowdown_for_curled_perimeters);
}
variable_speed = std::any_of(new_points.begin(), new_points.end(),
[speed](const ProcessedPoint &p) { return fabs(double(p.speed) - speed) > EPSILON; });
[speed](const ProcessedPoint &p) { return fabs(double(p.speed) - speed) > 1; }); // Ignore small speed variations (under 1mm/sec)
}
double F = speed * 60; // convert mm/sec to mm/min
@ -5727,10 +5726,14 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
}
}// ORCA: End of adaptive PA code segment
if (last_set_speed != new_speed) {
// Ignore small speed variations - emit speed change if the delta between current and new is greater than 60mm/min / 1mm/sec
// Reset speed to F if delta to F is less than 1mm/sec
if ((std::abs(last_set_speed - new_speed) > 60)) {
gcode += m_writer.set_speed(new_speed, "", comment);
last_set_speed = new_speed;
} else if ((std::abs(F - new_speed) <= 60)) {
gcode += m_writer.set_speed(F, "", comment);
last_set_speed = F;
}
auto dE = e_per_mm * line_length;
if (!this->on_first_layer() && m_small_area_infill_flow_compensator