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ENH: don't generate detour travel when position is unclear

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Detour travel is wrong in multi color printing when
current position is unclear.

Don't generate detour travel in this case to avoid
colour mixture.

Signed-off-by: salt.wei <salt.wei@bambulab.com>
Change-Id: I2d24b04d99b8a0b34a46c9f88e522e97cb0fe354
This commit is contained in:
salt.wei
2022-12-26 18:01:20 +08:00
committed by Lane.Wei
parent 12590a3599
commit 9f4a54d280
1 changed files with 3 additions and 1 deletions
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4
src/libslic3r/GCode.cpp
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@@ -3777,7 +3777,9 @@ std::string GCode::travel_to(const Point &point, ExtrusionRole role, std::string
// multi-hop travel path inside the configuration space
if (needs_retraction
&& m_config.reduce_crossing_wall
&& ! m_avoid_crossing_perimeters.disabled_once()) {
&& ! m_avoid_crossing_perimeters.disabled_once()
//BBS: don't generate detour travel paths when current position is unclear
&& m_writer.is_current_position_clear()) {
travel = m_avoid_crossing_perimeters.travel_to(*this, point, &could_be_wipe_disabled);
// check again whether the new travel path still needs a retraction
needs_retraction = this->needs_retraction(travel, role);