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#493 fix disable switch for overhangs detection.

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supermerill 2020-10-30 22:45:30 +01:00
parent df3f2113b5
commit 8fe54ffe2c
1 changed files with 50 additions and 24 deletions
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74
src/libslic3r/PerimeterGenerator.cpp
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@ -97,14 +97,14 @@ void PerimeterGenerator::process()
coord_t ext_min_spacing = (coord_t)( ext_perimeter_spacing2 * (1 - 0.05/*INSET_OVERLAP_TOLERANCE*/) );
// prepare grown lower layer slices for overhang detection
if (this->lower_slices != NULL && this->config->overhangs_width > 0) {
if (this->lower_slices != NULL && this->config->overhangs_width.value > 0) {
// We consider overhang any part where the entire nozzle diameter is not supported by the
// lower layer, so we take lower slices and offset them by overhangs_width of the nozzle diameter used
// in the current layer
double offset_val = double(scale_(config->overhangs_width.get_abs_value(nozzle_diameter))) - (float)(ext_perimeter_width / 2);
this->_lower_slices_bridge_flow = offset(*this->lower_slices, offset_val);
}
if (this->lower_slices != NULL && this->config->overhangs_width_speed > 0) {
if (this->lower_slices != NULL && this->config->overhangs_width_speed.value > 0) {
double offset_val = double(scale_(config->overhangs_width_speed.get_abs_value(nozzle_diameter))) - (float)(ext_perimeter_width / 2);
this->_lower_slices_bridge_speed = offset(*this->lower_slices, offset_val);
}
@ -950,11 +950,19 @@ template<typename LINE>
ExtrusionPaths PerimeterGenerator::create_overhangs(LINE loop_polygons, ExtrusionRole role, bool is_external) const {
ExtrusionPaths paths;
double nozzle_diameter = this->print_config->nozzle_diameter.get_at(this->config->perimeter_extruder - 1);
if (this->config->overhangs_width.get_abs_value(nozzle_diameter) > this->config->overhangs_width_speed.get_abs_value(nozzle_diameter)) {
if (this->config->overhangs_width.get_abs_value(nozzle_diameter) ==0 && 0== this->config->overhangs_width_speed.get_abs_value(nozzle_diameter)) {
//error
return paths;
} else if (this->config->overhangs_width.get_abs_value(nozzle_diameter) > this->config->overhangs_width_speed.get_abs_value(nozzle_diameter)) {
//set the fan & speed before the flow
// get non-overhang paths by intersecting this loop with the grown lower slices
extrusion_paths_append(
paths,
intersection_pl(loop_polygons, this->_lower_slices_bridge_speed),
(this->config->overhangs_width_speed.value > 0 ?
intersection_pl(loop_polygons, this->_lower_slices_bridge_speed) :
intersection_pl(loop_polygons, this->_lower_slices_bridge_flow)),
role,
is_external ? this->_ext_mm3_per_mm : this->_mm3_per_mm,
is_external ? this->ext_perimeter_flow.width : this->perimeter_flow.width,
@ -962,30 +970,38 @@ ExtrusionPaths PerimeterGenerator::create_overhangs(LINE loop_polygons, Extrusio
// get overhang paths by checking what parts of this loop fall
// outside the grown lower slices
Polylines poly_speed = diff_pl(loop_polygons, this->_lower_slices_bridge_speed);
Polylines poly_speed =
(this->config->overhangs_width_speed.value > 0 ?
diff_pl(loop_polygons, this->_lower_slices_bridge_speed):
Polylines{});
if(this->config->overhangs_width_speed.value > 0)
extrusion_paths_append(
paths,
intersection_pl(poly_speed, this->_lower_slices_bridge_flow),
erOverhangPerimeter,
is_external ? this->_ext_mm3_per_mm : this->_mm3_per_mm,
is_external ? this->ext_perimeter_flow.width : this->perimeter_flow.width,
(float)this->layer->height);
extrusion_paths_append(
paths,
intersection_pl(poly_speed, this->_lower_slices_bridge_flow),
erOverhangPerimeter,
is_external ? this->_ext_mm3_per_mm : this->_mm3_per_mm,
is_external ? this->ext_perimeter_flow.width : this->perimeter_flow.width,
(float)this->layer->height);
extrusion_paths_append(
paths,
diff_pl(poly_speed, this->_lower_slices_bridge_flow),
(this->config->overhangs_width_speed.value > 0 ?
diff_pl(poly_speed, this->_lower_slices_bridge_flow):
diff_pl(loop_polygons, this->_lower_slices_bridge_flow)),
erOverhangPerimeter,
this->_mm3_per_mm_overhang,
this->overhang_flow.width,
this->overhang_flow.height);
} else {
//can't set flow without fan & speed
// get non-overhang paths by intersecting this loop with the grown lower slices
extrusion_paths_append(
paths,
intersection_pl(loop_polygons, this->_lower_slices_bridge_flow),
(this->config->overhangs_width.value > 0 ?
intersection_pl(loop_polygons, this->_lower_slices_bridge_flow) :
intersection_pl(loop_polygons, this->_lower_slices_bridge_speed) ),
role,
is_external ? this->_ext_mm3_per_mm : this->_mm3_per_mm,
is_external ? this->ext_perimeter_flow.width : this->perimeter_flow.width,
@ -993,13 +1009,23 @@ ExtrusionPaths PerimeterGenerator::create_overhangs(LINE loop_polygons, Extrusio
// get overhang paths by checking what parts of this loop fall
// outside the grown lower slices
extrusion_paths_append(
paths,
diff_pl(loop_polygons, this->_lower_slices_bridge_flow),
erOverhangPerimeter,
this->_mm3_per_mm_overhang,
this->overhang_flow.width,
this->overhang_flow.height);
if (this->config->overhangs_width.value > 0) {
extrusion_paths_append(
paths,
diff_pl(loop_polygons, this->_lower_slices_bridge_flow),
erOverhangPerimeter,
this->_mm3_per_mm_overhang,
this->overhang_flow.width,
this->overhang_flow.height);
} else {
extrusion_paths_append(
paths,
diff_pl(loop_polygons, this->_lower_slices_bridge_speed),
erOverhangPerimeter,
is_external ? this->_ext_mm3_per_mm : this->_mm3_per_mm,
is_external ? this->ext_perimeter_flow.width : this->perimeter_flow.width,
(float)this->layer->height);
}
}
// reapply the nearest point search for starting point
@ -1038,7 +1064,7 @@ ExtrusionEntityCollection PerimeterGenerator::_traverse_loops(
// detect overhanging/bridging perimeters
ExtrusionPaths paths;
if ( this->config->overhangs_width_speed > 0 && this->layer->id() > 0
if ( this->config->overhangs_width_speed.value > 0 && this->layer->id() > 0
&& !(this->object_config->support_material && this->object_config->support_material_contact_distance_type.value == zdNone)) {
paths = this->create_overhangs(loop.polygon, role, is_external);
} else {
@ -1468,7 +1494,7 @@ PerimeterGenerator::_extrude_and_cut_loop(const PerimeterGeneratorLoop &loop, co
}
// detect overhanging/bridging perimeters
if ( this->config->overhangs_width_speed > 0 && this->layer->id() > 0
if ( this->config->overhangs_width_speed.value > 0 && this->layer->id() > 0
&& !(this->object_config->support_material && this->object_config->support_material_contact_distance_type.value == zdNone)) {
ExtrusionPaths paths = this->create_overhangs(initial_polyline, role, is_external);