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Improve bridge_density #1043

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SoftFever 2023-05-22 20:35:20 +08:00
parent 9b7d72584c
commit fe6ce5e28a
3 changed files with 9 additions and 6 deletions
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7
src/libslic3r/Fill/Fill.cpp
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@ -185,7 +185,7 @@ std::vector<SurfaceFill> group_fills(const Layer &layer)
params.bridge = is_bridge || Fill::use_bridge_flow(params.pattern);
params.flow = params.bridge ?
//BBS: always enable thick bridge for internal bridge
layerm.bridging_flow(extrusion_role, (surface.is_bridge() && !surface.is_external()) || object_config.thick_bridges, surface.is_external() ? region_config.bridge_density.get_abs_value(1.0) : 1.0f) :
layerm.bridging_flow(extrusion_role, (surface.is_bridge() && !surface.is_external()) || object_config.thick_bridges) :
layerm.flow(extrusion_role, (surface.thickness == -1) ? layer.height : surface.thickness);
// Calculate flow spacing for infill pattern generation.
@ -494,6 +494,11 @@ void Layer::make_fills(FillAdaptive::Octree* adaptive_fill_octree, FillAdaptive:
// Spacing is modified by the filler to indicate adjustments. Reset it for each expolygon.
f->spacing = surface_fill.params.spacing;
surface_fill.surface.expolygon = std::move(expoly);
if(surface_fill.params.bridge && surface_fill.surface.is_external() && surface_fill.params.density > 0.99){
params.density = layerm->region().config().bridge_density.get_abs_value(1.0);
params.dont_adjust = true;
}
// BBS: make fill
f->fill_surface_extrusion(&surface_fill.surface,
params,

2
src/libslic3r/Layer.hpp
View file

@ -72,7 +72,7 @@ public:
Flow flow(FlowRole role) const;
Flow flow(FlowRole role, double layer_height) const;
Flow bridging_flow(FlowRole role, bool thick_bridge = false , float bridge_density = 1.0f) const;
Flow bridging_flow(FlowRole role, bool thick_bridge = false) const;
void slices_to_fill_surfaces_clipped();
void prepare_fill_surfaces();

6
src/libslic3r/LayerRegion.cpp
View file

@ -26,7 +26,7 @@ Flow LayerRegion::flow(FlowRole role, double layer_height) const
return m_region->flow(*m_layer->object(), role, layer_height, m_layer->id() == 0);
}
Flow LayerRegion::bridging_flow(FlowRole role, bool thick_bridge, float bridge_density) const
Flow LayerRegion::bridging_flow(FlowRole role, bool thick_bridge) const
{
const PrintRegion &region = this->region();
const PrintRegionConfig &region_config = region.config();
@ -43,8 +43,6 @@ Flow LayerRegion::bridging_flow(FlowRole role, bool thick_bridge, float bridge_d
// The same way as other slicers: Use normal extrusions. Apply bridge_flow while maintaining the original spacing.
bridge_flow = this->flow(role).with_flow_ratio(region_config.bridge_flow);
}
bridge_density = boost::algorithm::clamp(bridge_density, 0.1f, 1.0f);
bridge_flow.set_spacing(bridge_flow.spacing() + bridge_flow.width() * ((1.0f / bridge_density) - 1.0f));
return bridge_flow;
}
@ -245,7 +243,7 @@ void LayerRegion::process_external_surfaces(const Layer *lower_layer, const Poly
// Grown by 3mm.
//BBS: eliminate too narrow area to avoid generating bridge on top layer when wall loop is 1
//Polygons polys = offset(bridges[i].expolygon, bridge_margin, EXTERNAL_SURFACES_OFFSET_PARAMETERS);
Polygons polys = offset2({ bridges[i].expolygon }, -scale_(nozzle_diameter * 0.1), bridge_margin + scale_((1.0 / this->region().config().bridge_density.get_abs_value(1.0) - 1.0)*nozzle_diameter/2.0), EXTERNAL_SURFACES_OFFSET_PARAMETERS);
Polygons polys = offset2({ bridges[i].expolygon }, -scale_(nozzle_diameter * 0.1), bridge_margin, EXTERNAL_SURFACES_OFFSET_PARAMETERS);
if (idx_island == -1) {
BOOST_LOG_TRIVIAL(trace) << "Bridge did not fall into the source region!";
} else {