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Avoid extra z travel moves

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This commit is contained in:
Aleksandr Dobkin
2026-03-26 06:25:04 -07:00
parent fb675e3193
commit 160173b9ca
1 changed files with 8 additions and 3 deletions
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11
src/libslic3r/GCode.cpp
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@@ -6155,8 +6155,14 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
if (!m_last_pos_defined || m_last_pos.to_point() != first_point || m_need_change_layer_lift_z || slope_need_z_travel) { if (!m_last_pos_defined || m_last_pos.to_point() != first_point || m_need_change_layer_lift_z || slope_need_z_travel) {
const bool _last_pos_undefined = !m_last_pos_defined; const bool _last_pos_undefined = !m_last_pos_defined;
gcode += this->travel_to(path.first_point(), path.role(), "move to first " + description + " point", double z = DBL_MAX;
sloped == nullptr ? DBL_MAX : get_sloped_z(sloped->slope_begin.z_ratio)); if (sloped != nullptr) {
z = get_sloped_z(sloped->slope_begin.z_ratio);
} else if (path.z_contoured && !path.polyline.lines().empty()) {
z = unscale_(path.polyline.lines().begin()->a.z()) + m_nominal_z;
}
gcode += this->travel_to(first_point, path.role(), "move to first " + description + " point", z);
m_need_change_layer_lift_z = false; m_need_change_layer_lift_z = false;
// Orca: ensure Z matches planned layer height // Orca: ensure Z matches planned layer height
@@ -6167,7 +6173,6 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
if (path.z_contoured && !path.polyline.lines().empty()) { if (path.z_contoured && !path.polyline.lines().empty()) {
double current_z = m_writer.get_position().z(); double current_z = m_writer.get_position().z();
;
double first_z = unscale_(path.polyline.lines().begin()->a.z()) + m_nominal_z; double first_z = unscale_(path.polyline.lines().begin()->a.z()) + m_nominal_z;
if (GCodeFormatter::quantize_xyzf(first_z) != GCodeFormatter::quantize_xyzf(current_z)) { if (GCodeFormatter::quantize_xyzf(first_z) != GCodeFormatter::quantize_xyzf(current_z)) {
gcode += m_writer.travel_to_z(first_z, "set Z for contouring", true); gcode += m_writer.travel_to_z(first_z, "set Z for contouring", true);