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tweak overhang fan

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Signed-off-by: SoftFever <softfeverever@gmail.com>
This commit is contained in:
SoftFever 2023-02-18 19:10:32 +08:00
parent 8aad9a844a
commit 361a5dce6f
1 changed files with 16 additions and 8 deletions
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24
src/libslic3r/GCode.cpp
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@ -3943,7 +3943,7 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
gcode += m_writer.set_speed(F, "", comment);
double path_length = 0.;
{
if (m_enable_cooling_markers && enable_overhang_bridge_fan && m_config.overhang_speed_classic) {
if (m_enable_cooling_markers && enable_overhang_bridge_fan) {
// BBS: Overhang_threshold_none means Overhang_threshold_1_4 and forcing cooling for all external
// perimeter
int overhang_threshold = overhang_fan_threshold == Overhang_threshold_none ? Overhang_threshold_none
@ -4020,17 +4020,21 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
Vec2d p = this->point_to_gcode_quantized(processed_point.p);
const double line_length = (p - prev).norm();
if (m_enable_cooling_markers && enable_overhang_bridge_fan) {
if (is_bridge(path.role()) || check_overhang_fan(new_points[i - 1].overlap)) {
gcode += ";_OVERHANG_FAN_START\n";
if (is_bridge(path.role()) || check_overhang_fan(new_points[i - 1].overlap) ) {
if(!is_overhang_fan_on)
gcode += ";_OVERHANG_FAN_START\n";
is_overhang_fan_on = true;
}
}else {
if (is_overhang_fan_on) {
gcode += ";_OVERHANG_FAN_END\n";
is_overhang_fan_on = false;
}
}
}
gcode +=
m_writer.extrude_to_xy(p, e_per_mm * line_length, GCodeWriter::full_gcode_comment ? description : "");
if (is_overhang_fan_on) {
is_overhang_fan_on = false;
gcode += ";_OVERHANG_FAN_END\n";
}
prev = p;
double new_speed = std::max((float)EXTRUDER_CONFIG(slow_down_min_speed), processed_point.speed) * 60.0;
if (last_set_speed != new_speed) {
@ -4038,6 +4042,10 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
last_set_speed = new_speed;
}
}
if (is_overhang_fan_on) {
is_overhang_fan_on = false;
gcode += ";_OVERHANG_FAN_END\n";
}
}
if (m_enable_cooling_markers) {
gcode += ";_EXTRUDE_END\n";