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ENH: use spiral lift only when it is needed

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If a travel path goes through an overhang expolygons, and their distance
is shorter than threshold, lift type will be set to SpiralLift.

Signed-off-by: yifan.wu <yifan.wu@bambulab.com>
Change-Id: I345788711755dd8611ecf385818e6052cd8abe9e
This commit is contained in:
yifan.wu 2022-11-20 22:04:25 +08:00 • committed by Lane.Wei
parent 47a46010bd
commit 5d9bb61f8e
11 changed files with 199 additions and 17 deletions
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6
src/libslic3r/GCode.hpp
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@ -395,8 +395,9 @@ private:
std::string extrude_support(const ExtrusionEntityCollection &support_fills);
std::string travel_to(const Point &point, ExtrusionRole role, std::string comment);
bool needs_retraction(const Polyline &travel, ExtrusionRole role = erNone);
std::string retract(bool toolchange = false, bool is_last_retraction = false);
// BBS: detect lift type in needs_retraction
bool needs_retraction(const Polyline& travel, ExtrusionRole role, LiftType& lift_type);
std::string retract(bool toolchange = false, bool is_last_retraction = false, LiftType lift_type = LiftType::SpiralLift);
std::string unretract() { return m_writer.unlift() + m_writer.unretract(); }
std::string set_extruder(unsigned int extruder_id, double print_z);
std::set<ObjectID> m_objsWithBrim; // indicates the objs with brim
@ -477,6 +478,7 @@ private:
GCodeProcessor m_processor;
// BBS
Print* m_curr_print = nullptr;
unsigned int m_toolchange_count;
coordf_t m_nominal_z;
bool m_need_change_layer_lift_z = false;