diff --git a/src/libslic3r/ClipperUtils.cpp b/src/libslic3r/ClipperUtils.cpp index d8d3b1d5afc..6d84c18f146 100644 --- a/src/libslic3r/ClipperUtils.cpp +++ b/src/libslic3r/ClipperUtils.cpp @@ -781,6 +781,13 @@ Slic3r::ExPolygons diff_ex(const Slic3r::SurfacesPtr &subject, const Slic3r::Pol { return _clipper_ex(ClipperLib::ctDifference, ClipperUtils::SurfacesPtrProvider(subject), ClipperUtils::PolygonsProvider(clip), do_safety_offset); } Slic3r::ExPolygons diff_ex(const Slic3r::SurfacesPtr &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset) { return _clipper_ex(ClipperLib::ctDifference, ClipperUtils::SurfacesPtrProvider(subject), ClipperUtils::ExPolygonsProvider(clip), do_safety_offset); } +//Orca +Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygons& subject, const Slic3r::ExPolygon& clip, ApplySafetyOffset do_safety_offset) +{ + Slic3r::ExPolygons clip_temp; + clip_temp.push_back(clip); + return diff_ex(subject, clip_temp, do_safety_offset); +} Slic3r::ExPolygons intersection_ex(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset) { return _clipper_ex(ClipperLib::ctIntersection, ClipperUtils::PolygonsProvider(subject), ClipperUtils::PolygonsProvider(clip), do_safety_offset); } @@ -800,6 +807,10 @@ Slic3r::ExPolygons intersection_ex(const Slic3r::Surfaces &subject, const Slic3r { return _clipper_ex(ClipperLib::ctIntersection, ClipperUtils::SurfacesProvider(subject), ClipperUtils::SurfacesProvider(clip), do_safety_offset); } Slic3r::ExPolygons intersection_ex(const Slic3r::SurfacesPtr &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset) { return _clipper_ex(ClipperLib::ctIntersection, ClipperUtils::SurfacesPtrProvider(subject), ClipperUtils::ExPolygonsProvider(clip), do_safety_offset); } +//Orca +Slic3r::ExPolygons intersection_ex(const Slic3r::ExPolygons& subject, const Slic3r::ExPolygon& clip, ApplySafetyOffset do_safety_offset) + { return _clipper_ex(ClipperLib::ctIntersection, ClipperUtils::ExPolygonsProvider(subject), ClipperUtils::ExPolygonProvider(clip), do_safety_offset);} + // May be used to "heal" unusual models (3DLabPrints etc.) by providing fill_type (pftEvenOdd, pftNonZero, pftPositive, pftNegative). Slic3r::ExPolygons union_ex(const Slic3r::Polygons &subject, ClipperLib::PolyFillType fill_type) { return _clipper_ex(ClipperLib::ctUnion, ClipperUtils::PolygonsProvider(subject), ClipperUtils::EmptyPathsProvider(), ApplySafetyOffset::No, fill_type); } @@ -815,6 +826,10 @@ Slic3r::ExPolygons union_ex(const Slic3r::ExPolygons &subject, const Slic3r::Pol { return PolyTreeToExPolygons(clipper_do_polytree(ClipperLib::ctUnion, ClipperUtils::ExPolygonsProvider(subject), ClipperUtils::PolygonsProvider(subject2), ClipperLib::pftNonZero)); } Slic3r::ExPolygons union_ex(const Slic3r::Surfaces &subject) { return PolyTreeToExPolygons(clipper_do_polytree(ClipperLib::ctUnion, ClipperUtils::SurfacesProvider(subject), ClipperUtils::EmptyPathsProvider(), ClipperLib::pftNonZero)); } +//Orca +Slic3r::ExPolygons xor_ex(const Slic3r::ExPolygons &subject, const Slic3r::ExPolygon &clip, ApplySafetyOffset do_safety_offset) { + return _clipper_ex(ClipperLib::ctXor, ClipperUtils::ExPolygonsProvider(subject), ClipperUtils::ExPolygonProvider(clip), do_safety_offset); +} template Polylines _clipper_pl_open(ClipperLib::ClipType clipType, PathsProvider1 &&subject, PathsProvider2 &&clip) diff --git a/src/libslic3r/ClipperUtils.hpp b/src/libslic3r/ClipperUtils.hpp index f399fb6e3b5..2bc5d4c943f 100644 --- a/src/libslic3r/ClipperUtils.hpp +++ b/src/libslic3r/ClipperUtils.hpp @@ -449,6 +449,9 @@ Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygons &subject, const Slic3r::Surf Slic3r::ExPolygons diff_ex(const Slic3r::Surfaces &subject, const Slic3r::Surfaces &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); Slic3r::ExPolygons diff_ex(const Slic3r::SurfacesPtr &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); Slic3r::ExPolygons diff_ex(const Slic3r::SurfacesPtr &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); +//Orca +Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygons& subject, const Slic3r::ExPolygon& clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); + Slic3r::Polylines diff_pl(const Slic3r::Polyline &subject, const Slic3r::Polygons &clip); Slic3r::Polylines diff_pl(const Slic3r::Polylines &subject, const Slic3r::Polygons &clip); Slic3r::Polylines diff_pl(const Slic3r::Polyline &subject, const Slic3r::ExPolygon &clip); @@ -483,6 +486,9 @@ Slic3r::ExPolygons intersection_ex(const Slic3r::Surfaces &subject, const Slic3r Slic3r::ExPolygons intersection_ex(const Slic3r::Surfaces &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); Slic3r::ExPolygons intersection_ex(const Slic3r::Surfaces &subject, const Slic3r::Surfaces &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); Slic3r::ExPolygons intersection_ex(const Slic3r::SurfacesPtr &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); +//Orca +Slic3r::ExPolygons intersection_ex(const Slic3r::ExPolygons& subject, const Slic3r::ExPolygon& clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); + Slic3r::Polylines intersection_pl(const Slic3r::Polylines &subject, const Slic3r::Polygon &clip); Slic3r::Polylines intersection_pl(const Slic3r::Polyline &subject, const Slic3r::ExPolygon &clip); Slic3r::Polylines intersection_pl(const Slic3r::Polylines &subject, const Slic3r::ExPolygon &clip); @@ -523,6 +529,9 @@ Slic3r::ExPolygons union_ex(const Slic3r::Surfaces &subject); ClipperLib::PolyTree union_pt(const Slic3r::Polygons &subject); ClipperLib::PolyTree union_pt(const Slic3r::ExPolygons &subject); +//Orca +Slic3r::ExPolygons xor_ex(const Slic3r::ExPolygons &subject, const Slic3r::ExPolygon &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No); + Slic3r::Polygons union_pt_chained_outside_in(const Slic3r::Polygons &subject); ClipperLib::PolyNodes order_nodes(const ClipperLib::PolyNodes &nodes); diff --git a/src/libslic3r/Preset.cpp b/src/libslic3r/Preset.cpp index 30622c65ee5..ebe8ff5494c 100644 --- a/src/libslic3r/Preset.cpp +++ b/src/libslic3r/Preset.cpp @@ -441,6 +441,7 @@ static std::vector s_Preset_print_options { "top_solid_layers", "top_solid_min_thickness", "bottom_solid_layers", "bottom_solid_min_thickness", "ensure_vertical_shell_thickness", "extra_perimeters", "extra_perimeters_on_overhangs", "avoid_crossing_curled_overhangs", "avoid_crossing_perimeters", "thin_walls", "overhangs_sensitivity", + "make_overhang_printable", "make_overhang_printable_angle", "make_overhang_printable_hole_size", "seam_position","staggered_inner_seams", "external_perimeters_first", "fill_density", "fill_pattern", "top_fill_pattern", "bottom_fill_pattern", "solid_fill_pattern", "internal_first_on_overhangs", diff --git a/src/libslic3r/Print.hpp b/src/libslic3r/Print.hpp index 4ea42bfde31..7ae3606f4fa 100644 --- a/src/libslic3r/Print.hpp +++ b/src/libslic3r/Print.hpp @@ -438,6 +438,8 @@ class PrintObject : public PrintObjectBaseWithState m_adaptive_fill_octrees; FillLightning::GeneratorPtr m_lightning_generator; +//Orca + void apply_conical_overhang(); }; diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp index a376483ebea..2cadcdafdbc 100644 --- a/src/libslic3r/PrintConfig.cpp +++ b/src/libslic3r/PrintConfig.cpp @@ -3691,6 +3691,35 @@ void PrintConfigDef::init_fff_params() def->min = 0; def->set_default_value(new ConfigOptionFloatOrPercent(85, true)); + def = this->add("make_overhang_printable", coBool); + def->label = L("Make overhang printable"); + def->category = L("Advanced"); + def->tooltip = L("Modify the geometry to print overhangs without support material. Disabling modifier must include the object full horizontal dimensions."); + def->mode = comAdvanced; + def->set_default_value(new ConfigOptionBool(false)); + + def = this->add("make_overhang_printable_angle", coFloat); + def->label = L("Make overhang printable maximum angle"); + def->category = L("Advanced"); + def->tooltip = L("Maximum angle of overhangs to allow after making more steep overhangs printable." + "90° will not change the model at all and allow any overhang, while 0 will " + "replace all overhangs with conical material."); + def->sidetext = L("°"); + def->mode = comAdvanced; + def->min = 0.; + def->max = 90.; + def->set_default_value(new ConfigOptionFloat(55.)); + + def = this->add("make_overhang_printable_hole_size", coFloat); + def->label = L("Make overhang printable hole area"); + def->category = L("Advanced"); + def->tooltip = L("Maximum area of a hole in the base of the model before it's filled by conical material." + "A value of 0 will fill all the holes in the model base."); + def->sidetext = L("mm²"); + def->mode = comAdvanced; + def->min = 0.; + def->set_default_value(new ConfigOptionFloat(0.)); + // Declare retract values for filament profile, overriding the printer's extruder profile. for (const char *opt_key : { // floats diff --git a/src/libslic3r/PrintConfig.hpp b/src/libslic3r/PrintConfig.hpp index e643920522f..40a551b0f30 100644 --- a/src/libslic3r/PrintConfig.hpp +++ b/src/libslic3r/PrintConfig.hpp @@ -601,6 +601,9 @@ PRINT_CONFIG_CLASS_DEFINE( ((ConfigOptionFloat, xy_size_compensation)) ((ConfigOptionBool, wipe_into_objects)) ((ConfigOptionInt, bridge_fan_speed_layers)) + // Orca + ((ConfigOptionFloat, make_overhang_printable_angle)) + ((ConfigOptionFloat, make_overhang_printable_hole_size)) ) PRINT_CONFIG_CLASS_DEFINE( @@ -674,6 +677,8 @@ PRINT_CONFIG_CLASS_DEFINE( // SuperSlicer ((ConfigOptionBool, only_one_perimeter_top)) ((ConfigOptionFloatOrPercent, min_width_top_surface)) + // Orca + ((ConfigOptionBool, make_overhang_printable)) ) PRINT_CONFIG_CLASS_DEFINE( diff --git a/src/libslic3r/PrintObject.cpp b/src/libslic3r/PrintObject.cpp index 77e314c4d01..7ef2dc1a312 100644 --- a/src/libslic3r/PrintObject.cpp +++ b/src/libslic3r/PrintObject.cpp @@ -757,7 +757,10 @@ bool PrintObject::invalidate_state_by_config_options( || opt_key == "raft_layers" || opt_key == "raft_contact_distance" || opt_key == "slice_closing_radius" - || opt_key == "slicing_mode") { + || opt_key == "slicing_mode" + || opt_key == "make_overhang_printable" + || opt_key == "make_overhang_printable_angle" + || opt_key == "make_overhang_printable_hole_size") { steps.emplace_back(posSlice); } else if ( opt_key == "elefant_foot_compensation" diff --git a/src/libslic3r/PrintObjectSlice.cpp b/src/libslic3r/PrintObjectSlice.cpp index 4ca54ae6d8e..4bd404ce31e 100644 --- a/src/libslic3r/PrintObjectSlice.cpp +++ b/src/libslic3r/PrintObjectSlice.cpp @@ -760,6 +760,9 @@ void PrintObject::slice_volumes() apply_mm_segmentation(*this, [print]() { print->throw_if_canceled(); }); } + //Orca + this->apply_conical_overhang(); + m_print->throw_if_canceled(); BOOST_LOG_TRIVIAL(debug) << "Slicing volumes - make_slices in parallel - begin"; { @@ -842,6 +845,108 @@ void PrintObject::slice_volumes() BOOST_LOG_TRIVIAL(debug) << "Slicing volumes - make_slices in parallel - end"; } +//Orca +void PrintObject::apply_conical_overhang() { + BOOST_LOG_TRIVIAL(info) << "Make overhang printable..."; + + if (m_layers.empty()) { + return; + } + + const double conical_overhang_angle = this->config().make_overhang_printable_angle; + if (conical_overhang_angle == 90.0) { + return; + } + const double angle_radians = conical_overhang_angle * M_PI / 180.; + const double max_hole_area = this->config().make_overhang_printable_hole_size; // in MM^2 + const double tan_angle = tan(angle_radians); // the XY-component of the angle + BOOST_LOG_TRIVIAL(info) << "angle " << angle_radians << " maxHoleArea " << max_hole_area << " tan_angle " + << tan_angle; + const coordf_t layer_thickness = m_config.layer_height.value; + const coordf_t max_dist_from_lower_layer = tan_angle * layer_thickness; // max dist which can be bridged, in MM + BOOST_LOG_TRIVIAL(info) << "layer_thickness " << layer_thickness << " max_dist_from_lower_layer " + << max_dist_from_lower_layer; + + // Pre-scale config + const coordf_t scaled_max_dist_from_lower_layer = -float(scale_(max_dist_from_lower_layer)); + const coordf_t scaled_max_hole_area = float(scale_(scale_(max_hole_area))); + + + for (auto i = m_layers.rbegin() + 1; i != m_layers.rend(); ++i) { + m_print->throw_if_canceled(); + Layer *layer = *i; + Layer *upper_layer = layer->upper_layer; + + if (upper_layer == nullptr || upper_layer->empty()) { + continue; + } + + // Skip if entire layer has this disabled + if (std::all_of(layer->m_regions.begin(), layer->m_regions.end(), + [](const LayerRegion *r) { return r->slices().empty() || !r->region().config().make_overhang_printable; })) { + continue; + } + + //layer->export_region_slices_to_svg_debug("layer_before_conical_overhang"); + //upper_layer->export_region_slices_to_svg_debug("upper_layer_before_conical_overhang"); + + + // Merge the upper layer because we want to offset the entire layer uniformly, otherwise + // the model could break at the region boundary. + auto upper_poly = upper_layer->merged(float(SCALED_EPSILON)); + upper_poly = union_ex(upper_poly); + + // Avoid closing up of recessed holes in the base of a model. + // Detects when a hole is completely covered by the layer above and removes the hole from the layer above before + // adding it in. + // This should have no effect any time a hole in a layer interacts with any polygon in the layer above + if (scaled_max_hole_area > 0.0) { + // Merge layer for the same reason + auto current_poly = layer->merged(float(SCALED_EPSILON)); + current_poly = union_ex(current_poly); + + // Now go through all the holes in the current layer and check if they intersect anything in the layer above + // If not, then they're the top of a hole and should be cut from the layer above before the union + for (auto layer_polygon : current_poly) { + for (auto hole : layer_polygon.holes) { + if (std::abs(hole.area()) < scaled_max_hole_area) { + ExPolygon hole_poly(hole); + auto hole_with_above = intersection_ex(upper_poly, hole_poly); + if (!hole_with_above.empty()) { + // The hole had some intersection with the above layer, check if it's a complete overlap + auto hole_difference = xor_ex(hole_with_above, hole_poly); + if (hole_difference.empty()) { + // The layer above completely cover it, remove it from the layer above + upper_poly = diff_ex(upper_poly, hole_poly); + } + } + } + } + } + } + + // Now offset the upper layer to be added into current layer + upper_poly = offset_ex(upper_poly, scaled_max_dist_from_lower_layer); + + for (size_t region_id = 0; region_id < this->num_printing_regions(); ++region_id) { + // export_to_svg(debug_out_path("Surface-obj-%d-layer-%d-region-%d.svg", id().id, layer->id(), region_id).c_str(), + // layer->m_regions[region_id]->slices.surfaces); + + // Disable on given region + if (!upper_layer->m_regions[region_id]->region().config().make_overhang_printable) { + continue; + } + + // Calculate the scaled upper poly that belongs to current region + auto p = intersection_ex(upper_layer->m_regions[region_id]->slices().surfaces, upper_poly); + // And now union it + ExPolygons layer_polygons = to_expolygons(layer->m_regions[region_id]->slices().surfaces); + layer->m_regions[region_id]->m_slices.set(union_ex(layer_polygons, p), stInternal); + } + //layer->export_region_slices_to_svg_debug("layer_after_conical_overhang"); + } +} + std::vector PrintObject::slice_support_volumes(const ModelVolumeType model_volume_type) const { auto it_volume = this->model_object()->volumes.begin(); diff --git a/src/slic3r/GUI/ConfigManipulation.cpp b/src/slic3r/GUI/ConfigManipulation.cpp index 64f51c33507..ff15a2c8a56 100644 --- a/src/slic3r/GUI/ConfigManipulation.cpp +++ b/src/slic3r/GUI/ConfigManipulation.cpp @@ -374,6 +374,10 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig* config) toggle_field("min_bead_width", have_arachne); toggle_field("thin_walls", !have_arachne); + //Orca + bool have_make_overhang_printable = config->opt_bool("make_overhang_printable"); + toggle_field("make_overhang_printable_angle", have_make_overhang_printable); + toggle_field("make_overhang_printable_hole_size", have_make_overhang_printable); } void ConfigManipulation::toggle_print_sla_options(DynamicPrintConfig* config) diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp index 616bccdfb51..5aad07f2e7f 100644 --- a/src/slic3r/GUI/Tab.cpp +++ b/src/slic3r/GUI/Tab.cpp @@ -1710,6 +1710,11 @@ void TabPrint::build() optgroup->append_single_option_line("arc_fitting"); optgroup->append_single_option_line("xy_size_compensation"); optgroup->append_single_option_line("elefant_foot_compensation", "elephant-foot-compensation_114487"); + + optgroup = page->new_optgroup(L("Overhangs")); + optgroup->append_single_option_line("make_overhang_printable", category_path); + optgroup->append_single_option_line("make_overhang_printable_angle", category_path); + optgroup->append_single_option_line("make_overhang_printable_hole_size", category_path); optgroup = page->new_optgroup(L("Arachne perimeter generator")); optgroup->append_single_option_line("wall_transition_angle");