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fix: fix cooling overhang threshold (#2508)

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Microdog 2023-10-27 21:30:23 +08:00 • committed by GitHub
parent eed0c28bd8
commit d6c9463a31
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2 changed files with 13 additions and 12 deletions
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23
src/libslic3r/GCode.cpp
View file

@ -4794,15 +4794,18 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
// { "0%", Overhang_threshold_none },
// { "5%", Overhang_threshold_1_4 },
// { "10%", Overhang_threshold_1_4 },
// { "25%", Overhang_threshold_2_4 },
// { "50%", Overhang_threshold_3_4 },
// { "75%", Overhang_threshold_4_4 },
// { "95%", Overhang_threshold_bridge }
auto check_overhang_fan = [&overhang_fan_threshold](float overlap) {
auto check_overhang_fan = [&overhang_fan_threshold](float overlap, ExtrusionRole role) {
if (is_bridge(role)) {
return true;
}
switch (overhang_fan_threshold) {
case (int)Overhang_threshold_1_4:
return overlap <= 0.95f;
return overlap <= 0.9f;
break;
case (int)Overhang_threshold_2_4:
return overlap <= 0.75f;
@ -4814,10 +4817,10 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
return overlap <= 0.25f;
break;
case (int)Overhang_threshold_bridge:
return overlap <= 0.1f;
return overlap <= 0.05f;
break;
case (int)Overhang_threshold_none:
return true;
return is_external_perimeter(role);
break;
default:
return false;
@ -4842,7 +4845,7 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
// perimeter
int overhang_threshold = overhang_fan_threshold == Overhang_threshold_none ? Overhang_threshold_none
: overhang_fan_threshold - 1;
if ((overhang_fan_threshold == Overhang_threshold_none && is_perimeter(path.role())) ||
if ((overhang_fan_threshold == Overhang_threshold_none && is_external_perimeter(path.role())) ||
(path.get_overhang_degree() > overhang_threshold || is_bridge(path.role()))) {
if (!m_is_overhang_fan_on) {
gcode += ";_OVERHANG_FAN_START\n";
@ -4927,7 +4930,7 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
bool pre_fan_enabled = false;
bool cur_fan_enabled = false;
if( m_enable_cooling_markers && enable_overhang_bridge_fan)
pre_fan_enabled = check_overhang_fan(new_points[0].overlap);
pre_fan_enabled = check_overhang_fan(new_points[0].overlap, path.role());
for (size_t i = 1; i < new_points.size(); i++) {
const ProcessedPoint &processed_point = new_points[i];
@ -4935,10 +4938,8 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
Vec2d p = this->point_to_gcode_quantized(processed_point.p);
if (m_enable_cooling_markers) {
if (enable_overhang_bridge_fan) {
cur_fan_enabled = check_overhang_fan(processed_point.overlap);
if (is_bridge(path.role()) ||
(is_perimeter(path.role()) &&
pre_fan_enabled && pre_fan_enabled)) {
cur_fan_enabled = check_overhang_fan(processed_point.overlap, path.role());
if (pre_fan_enabled && cur_fan_enabled) {
if (!m_is_overhang_fan_on) {
gcode += ";_OVERHANG_FAN_START\n";
m_is_overhang_fan_on = true;

2
src/libslic3r/PrintConfig.cpp
View file

@ -291,7 +291,7 @@ CONFIG_OPTION_ENUM_DEFINE_STATIC_MAPS(ForwardCompatibilitySubstitutionRule)
static const t_config_enum_values s_keys_map_OverhangFanThreshold = {
{ "0%", Overhang_threshold_none },
{ "10%", Overhang_threshold_1_4 },
{ "10%", Overhang_threshold_1_4 },
{ "25%", Overhang_threshold_2_4 },
{ "50%", Overhang_threshold_3_4 },
{ "75%", Overhang_threshold_4_4 },