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GCodeWriter.cpp: Fixed skipped z-lifts when its height was equal to layer height (https://github.com/prusa3d/PrusaSlicer/issues/2154)

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This commit is contained in:
Lukas Matena 2019-08-27 12:41:00 +02:00
parent 30ca60272c
commit 42c5c19f1c
1 changed files with 8 additions and 2 deletions
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10
src/libslic3r/GCodeWriter.cpp
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@ -298,7 +298,11 @@ std::string GCodeWriter::travel_to_xyz(const Vec3d &point, const std::string &co
used for unlift. */ used for unlift. */
if (!this->will_move_z(point(2))) { if (!this->will_move_z(point(2))) {
double nominal_z = m_pos(2) - m_lifted; double nominal_z = m_pos(2) - m_lifted;
m_lifted = m_lifted - (point(2) - nominal_z); m_lifted -= (point(2) - nominal_z);
// In case that retract_lift == layer_height we could end up with almost zero in_m_lifted
// and a retract could be skipped (https://github.com/prusa3d/PrusaSlicer/issues/2154
if (std::abs(m_lifted) < EPSILON)
m_lifted = 0.;
return this->travel_to_xy(to_2d(point)); return this->travel_to_xy(to_2d(point));
} }
@ -324,7 +328,9 @@ std::string GCodeWriter::travel_to_z(double z, const std::string &comment)
reducing the lift amount that will be used for unlift. */ reducing the lift amount that will be used for unlift. */
if (!this->will_move_z(z)) { if (!this->will_move_z(z)) {
double nominal_z = m_pos(2) - m_lifted; double nominal_z = m_pos(2) - m_lifted;
m_lifted = m_lifted - (z - nominal_z); m_lifted -= (z - nominal_z);
if (std::abs(m_lifted) < EPSILON)
m_lifted = 0.;
return ""; return "";
} }