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Disable "infill only where needed" option

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Note: only commented out for now.
This commit is contained in:
PavelMikus 2023-03-27 13:26:57 +02:00
parent c654a6714a
commit 0eb2a2cf04
7 changed files with 180 additions and 178 deletions
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184
src/libslic3r/PrintObject.cpp
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@ -348,8 +348,8 @@ void PrintObject::prepare_infill()
//FIXME The surfaces are supported by a sparse infill, but the sparse infill is only as large as the area to support.
// Likely the sparse infill will not be anchored correctly, so it will not work as intended.
// Also one wishes the perimeters to be supported by a full infill.
this->clip_fill_surfaces();
m_print->throw_if_canceled();
// this->clip_fill_surfaces();
// m_print->throw_if_canceled();
#ifdef SLIC3R_DEBUG_SLICE_PROCESSING
for (size_t region_id = 0; region_id < this->num_printing_regions(); ++ region_id) {
@ -2419,98 +2419,98 @@ bool PrintObject::update_layer_height_profile(const ModelObject &model_object, c
// Also one wishes the perimeters to be supported by a full infill.
// Idempotence of this method is guaranteed by the fact that we don't remove things from
// fill_surfaces but we only turn them into VOID surfaces, thus preserving the boundaries.
void PrintObject::clip_fill_surfaces()
{
bool has_lightning_infill = false;
for (size_t region_id = 0; region_id < this->num_printing_regions(); ++region_id)
if (const PrintRegionConfig &config = this->printing_region(region_id).config(); config.fill_density > 0 && config.fill_pattern == ipLightning)
has_lightning_infill = true;
// void PrintObject::clip_fill_surfaces()
// {
// bool has_lightning_infill = false;
// for (size_t region_id = 0; region_id < this->num_printing_regions(); ++region_id)
// if (const PrintRegionConfig &config = this->printing_region(region_id).config(); config.fill_density > 0 && config.fill_pattern == ipLightning)
// has_lightning_infill = true;
// For Lightning infill, infill_only_where_needed is ignored because both
// do a similar thing, and their combination doesn't make much sense.
if (! m_config.infill_only_where_needed.value || has_lightning_infill)
return;
bool has_infill = false;
for (size_t i = 0; i < this->num_printing_regions(); ++ i)
if (this->printing_region(i).config().fill_density > 0) {
has_infill = true;
break;
}
if (! has_infill)
return;
// // For Lightning infill, infill_only_where_needed is ignored because both
// // do a similar thing, and their combination doesn't make much sense.
// if (! m_config.infill_only_where_needed.value || has_lightning_infill)
// return;
// bool has_infill = false;
// for (size_t i = 0; i < this->num_printing_regions(); ++ i)
// if (this->printing_region(i).config().fill_density > 0) {
// has_infill = true;
// break;
// }
// if (! has_infill)
// return;
// We only want infill under ceilings; this is almost like an
// internal support material.
// Proceed top-down, skipping the bottom layer.
Polygons upper_internal;
for (int layer_id = int(m_layers.size()) - 1; layer_id > 0; -- layer_id) {
Layer *layer = m_layers[layer_id];
Layer *lower_layer = m_layers[layer_id - 1];
// Detect things that we need to support.
// Cummulative fill surfaces.
Polygons fill_surfaces;
// Solid surfaces to be supported.
Polygons overhangs;
for (const LayerRegion *layerm : layer->m_regions)
for (const Surface &surface : layerm->fill_surfaces()) {
Polygons polygons = to_polygons(surface.expolygon);
if (surface.is_solid())
polygons_append(overhangs, polygons);
polygons_append(fill_surfaces, std::move(polygons));
}
Polygons lower_layer_fill_surfaces;
Polygons lower_layer_internal_surfaces;
for (const LayerRegion *layerm : lower_layer->m_regions)
for (const Surface &surface : layerm->fill_surfaces()) {
Polygons polygons = to_polygons(surface.expolygon);
if (surface.surface_type == stInternal || surface.surface_type == stInternalVoid)
polygons_append(lower_layer_internal_surfaces, polygons);
polygons_append(lower_layer_fill_surfaces, std::move(polygons));
}
// We also need to support perimeters when there's at least one full unsupported loop
{
// Get perimeters area as the difference between slices and fill_surfaces
// Only consider the area that is not supported by lower perimeters
Polygons perimeters = intersection(diff(layer->lslices, fill_surfaces), lower_layer_fill_surfaces);
// Only consider perimeter areas that are at least one extrusion width thick.
//FIXME Offset2 eats out from both sides, while the perimeters are create outside in.
//Should the pw not be half of the current value?
float pw = FLT_MAX;
for (const LayerRegion *layerm : layer->m_regions)
pw = std::min(pw, (float)layerm->flow(frPerimeter).scaled_width());
// Append such thick perimeters to the areas that need support
polygons_append(overhangs, opening(perimeters, pw));
}
// Merge the new overhangs, find new internal infill.
polygons_append(upper_internal, std::move(overhangs));
static constexpr const auto closing_radius = scaled<float>(2.f);
upper_internal = intersection(
// Regularize the overhang regions, so that the infill areas will not become excessively jagged.
smooth_outward(
closing(upper_internal, closing_radius, ClipperLib::jtSquare, 0.),
scaled<coord_t>(0.1)),
lower_layer_internal_surfaces);
// Apply new internal infill to regions.
for (LayerRegion *layerm : lower_layer->m_regions) {
if (layerm->region().config().fill_density.value == 0)
continue;
Polygons internal;
for (Surface &surface : layerm->m_fill_surfaces.surfaces)
if (surface.surface_type == stInternal || surface.surface_type == stInternalVoid)
polygons_append(internal, std::move(surface.expolygon));
layerm->m_fill_surfaces.remove_types({ stInternal, stInternalVoid });
layerm->m_fill_surfaces.append(intersection_ex(internal, upper_internal, ApplySafetyOffset::Yes), stInternal);
layerm->m_fill_surfaces.append(diff_ex (internal, upper_internal, ApplySafetyOffset::Yes), stInternalVoid);
// If there are voids it means that our internal infill is not adjacent to
// perimeters. In this case it would be nice to add a loop around infill to
// make it more robust and nicer. TODO.
#ifdef SLIC3R_DEBUG_SLICE_PROCESSING
layerm->export_region_fill_surfaces_to_svg_debug("6_clip_fill_surfaces");
#endif
}
m_print->throw_if_canceled();
}
} // void PrintObject::clip_fill_surfaces()
// // We only want infill under ceilings; this is almost like an
// // internal support material.
// // Proceed top-down, skipping the bottom layer.
// Polygons upper_internal;
// for (int layer_id = int(m_layers.size()) - 1; layer_id > 0; -- layer_id) {
// Layer *layer = m_layers[layer_id];
// Layer *lower_layer = m_layers[layer_id - 1];
// // Detect things that we need to support.
// // Cummulative fill surfaces.
// Polygons fill_surfaces;
// // Solid surfaces to be supported.
// Polygons overhangs;
// for (const LayerRegion *layerm : layer->m_regions)
// for (const Surface &surface : layerm->fill_surfaces()) {
// Polygons polygons = to_polygons(surface.expolygon);
// if (surface.is_solid())
// polygons_append(overhangs, polygons);
// polygons_append(fill_surfaces, std::move(polygons));
// }
// Polygons lower_layer_fill_surfaces;
// Polygons lower_layer_internal_surfaces;
// for (const LayerRegion *layerm : lower_layer->m_regions)
// for (const Surface &surface : layerm->fill_surfaces()) {
// Polygons polygons = to_polygons(surface.expolygon);
// if (surface.surface_type == stInternal || surface.surface_type == stInternalVoid)
// polygons_append(lower_layer_internal_surfaces, polygons);
// polygons_append(lower_layer_fill_surfaces, std::move(polygons));
// }
// // We also need to support perimeters when there's at least one full unsupported loop
// {
// // Get perimeters area as the difference between slices and fill_surfaces
// // Only consider the area that is not supported by lower perimeters
// Polygons perimeters = intersection(diff(layer->lslices, fill_surfaces), lower_layer_fill_surfaces);
// // Only consider perimeter areas that are at least one extrusion width thick.
// //FIXME Offset2 eats out from both sides, while the perimeters are create outside in.
// //Should the pw not be half of the current value?
// float pw = FLT_MAX;
// for (const LayerRegion *layerm : layer->m_regions)
// pw = std::min(pw, (float)layerm->flow(frPerimeter).scaled_width());
// // Append such thick perimeters to the areas that need support
// polygons_append(overhangs, opening(perimeters, pw));
// }
// // Merge the new overhangs, find new internal infill.
// polygons_append(upper_internal, std::move(overhangs));
// static constexpr const auto closing_radius = scaled<float>(2.f);
// upper_internal = intersection(
// // Regularize the overhang regions, so that the infill areas will not become excessively jagged.
// smooth_outward(
// closing(upper_internal, closing_radius, ClipperLib::jtSquare, 0.),
// scaled<coord_t>(0.1)),
// lower_layer_internal_surfaces);
// // Apply new internal infill to regions.
// for (LayerRegion *layerm : lower_layer->m_regions) {
// if (layerm->region().config().fill_density.value == 0)
// continue;
// Polygons internal;
// for (Surface &surface : layerm->m_fill_surfaces.surfaces)
// if (surface.surface_type == stInternal || surface.surface_type == stInternalVoid)
// polygons_append(internal, std::move(surface.expolygon));
// layerm->m_fill_surfaces.remove_types({ stInternal, stInternalVoid });
// layerm->m_fill_surfaces.append(intersection_ex(internal, upper_internal, ApplySafetyOffset::Yes), stInternal);
// layerm->m_fill_surfaces.append(diff_ex (internal, upper_internal, ApplySafetyOffset::Yes), stInternalVoid);
// // If there are voids it means that our internal infill is not adjacent to
// // perimeters. In this case it would be nice to add a loop around infill to
// // make it more robust and nicer. TODO.
// #ifdef SLIC3R_DEBUG_SLICE_PROCESSING
// layerm->export_region_fill_surfaces_to_svg_debug("6_clip_fill_surfaces");
// #endif
// }
// m_print->throw_if_canceled();
// }
// } // void PrintObject::clip_fill_surfaces()
void PrintObject::discover_horizontal_shells()
{