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SPE-2455: Fix extrusions with the zero feedrate after passing through CoolingBuffer.

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Lukáš Hejl 2024-08-27 13:50:44 +02:00 committed by Lukas Matena
parent 3735ceb624
commit 016103dd95
1 changed files with 6 additions and 1 deletions
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7
src/libslic3r/GCode/CoolingBuffer.cpp
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@ -298,13 +298,18 @@ float new_feedrate_to_reach_time_stretch(
} }
} }
} }
// Handle cases when all lines have feedrate below or equal to min_feedrate
// or when the accumulated sum of time is a very small number.
assert(denom > 0); assert(denom > 0);
if (denom <= 0) if (nomin <= 0 || denom <= EPSILON)
return min_feedrate; return min_feedrate;
new_feedrate = nomin / denom; new_feedrate = nomin / denom;
assert(new_feedrate > min_feedrate - EPSILON); assert(new_feedrate > min_feedrate - EPSILON);
if (new_feedrate < min_feedrate + EPSILON) if (new_feedrate < min_feedrate + EPSILON)
goto finished; goto finished;
for (auto it = it_begin; it != it_end; ++ it) for (auto it = it_begin; it != it_end; ++ it)
for (size_t i = 0; i < (*it)->n_lines_adjustable; ++i) { for (size_t i = 0; i < (*it)->n_lines_adjustable; ++i) {
const CoolingLine &line = (*it)->lines[i]; const CoolingLine &line = (*it)->lines[i];