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only_one_perimeter_top: fix when only 2 perimeters, it can go through the second one.

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supermerill 2020-06-18 01:10:43 +02:00 committed by supermerill
parent 6d5d0f82b8
commit 72d6cdc3ab
1 changed files with 68 additions and 21 deletions
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85
src/libslic3r/PerimeterGenerator.cpp
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@ -323,8 +323,10 @@ void PerimeterGenerator::process()
ExPolygons gaps;
//this var store infill surface removed from last to not add any more perimeters to it.
ExPolygons stored;
ExPolygons top_fills;
ExPolygons fill_clip;
ExPolygons last = union_ex(surface.expolygon.simplify_p(SCALED_RESOLUTION));
if (loop_number >= 0) {
//increase surface for milling_post-process
@ -587,33 +589,58 @@ void PerimeterGenerator::process()
//split the polygons with top/not_top
//get the offset from solid surface anchor
coord_t offset_top_surface = scale_(config->external_infill_margin.get_abs_value(
config->perimeters == 0 ? 0. : unscaled(ext_perimeter_width + perimeter_spacing * (config->perimeters - 1))));
config->perimeters.value == 0 ? 0. : unscaled(ext_perimeter_width + perimeter_spacing * int(int(config->perimeters.value) - int(1)))));
// if possible, try to not push the extra perimeters inside the sparse infill
if (offset_top_surface > 0.9 * (config->perimeters <= 1 ? 0. : (perimeter_spacing * (config->perimeters - 1))))
offset_top_surface -= 0.9 * (config->perimeters <= 1 ? 0. : (perimeter_spacing * (config->perimeters - 1)));
if (offset_top_surface > 0.9 * (config->perimeters.value <= 1 ? 0. : (perimeter_spacing * (config->perimeters.value - 1))))
offset_top_surface -= 0.9 * (config->perimeters.value <= 1 ? 0. : (perimeter_spacing * (config->perimeters.value - 1)));
else offset_top_surface = 0;
//don't takes into account too thin areas
ExPolygons grown_upper_slices = this->config->min_width_top_surface.value == 0 ? *this->upper_slices :
offset_ex(*this->upper_slices, this->config->min_width_top_surface.get_abs_value(perimeter_width));
double min_width_top_surface = std::max(double(ext_perimeter_spacing / 2 + 10), this->config->min_width_top_surface.get_abs_value(perimeter_width));
ExPolygons grown_upper_slices = offset_ex(*this->upper_slices, min_width_top_surface);
//set the clip to a virtual "second perimeter"
fill_clip = offset_ex(last, -double(ext_perimeter_spacing));
// get the real top surface
ExPolygons top_polygons = (!have_to_grow_for_miller) ? diff_ex(last, grown_upper_slices, true)
:(unmillable.empty())?
diff_ex(last, offset_ex(grown_upper_slices, mill_extra_size), true)
:
diff_ex(last, diff_ex(offset_ex(grown_upper_slices, mill_extra_size), unmillable, true));
ExPolygons top_polygons = (!have_to_grow_for_miller)
? diff_ex(last, grown_upper_slices, true)
:(unmillable.empty())
? diff_ex(last, offset_ex(grown_upper_slices, mill_extra_size), true)
: diff_ex(last, diff_ex(offset_ex(grown_upper_slices, mill_extra_size), unmillable, true));
//get the not-top surface, from the "real top" but enlarged by external_infill_margin (and the min_width_top_surface we removed a bit before)
ExPolygons inner_polygons = diff_ex(last, offset_ex(top_polygons, offset_top_surface + this->config->min_width_top_surface.get_abs_value(perimeter_width)), true);
// get the enlarged top surface, by using inner_polygons instead of upper_slices
top_polygons = diff_ex(last, inner_polygons, true);
ExPolygons inner_polygons = diff_ex(last, offset_ex(top_polygons, offset_top_surface + min_width_top_surface
//also remove the ext_perimeter_spacing/2 width because we are faking the external periemter, and we will remove ext_perimeter_spacing2
- double(ext_perimeter_spacing / 2)), true);
// get the enlarged top surface, by using inner_polygons instead of upper_slices, and clip it for it to be exactly the polygons to fill.
top_polygons = diff_ex(fill_clip, inner_polygons, true);
// increase by half peri the inner space to fill the frontier between last and stored.
stored = union_ex(stored, intersection_ex(offset_ex(top_polygons, double(perimeter_spacing / 2)), last));
last = intersection_ex(offset_ex(inner_polygons, double(perimeter_spacing / 2)), last);
top_fills = union_ex(top_fills, top_polygons);
//set the clip to the external wall but go bacjk inside by infill_extrusion_width/2 to be sure the extrusion won't go outside even with a 100% overlap.
fill_clip = offset_ex(last, double(ext_perimeter_spacing / 2) - this->config->infill_extrusion_width.get_abs_value(nozzle_diameter)/2);
ExPolygons oldLast = last;
last = intersection_ex(inner_polygons, last);
//{
// std::stringstream stri;
// stri << this->layer->id() << "_1_"<< i <<"_only_one_peri"<< ".svg";
// SVG svg(stri.str());
// svg.draw(to_polylines(top_fills), "green");
// svg.draw(to_polylines(inner_polygons), "yellow");
// svg.draw(to_polylines(top_polygons), "cyan");
// svg.draw(to_polylines(oldLast), "orange");
// svg.draw(to_polylines(last), "red");
// svg.Close();
//}
}
}
// re-add stored polygons
last = union_ex(last, stored);
//{
//std::stringstream stri;
//stri << this->layer->id() << "_1p5_stored_" << this->layer->id() << ".svg";
//SVG svg(stri.str());
//svg.draw(to_polylines(last), "yellow");
//svg.draw(to_polylines(top_fills), "green");
//svg.Close();
//}
// nest loops: holes first
for (int d = 0; d <= loop_number; ++d) {
@ -858,6 +885,11 @@ void PerimeterGenerator::process()
ExPolygons infill_exp = offset2_ex(not_filled_exp,
-inset - min_perimeter_infill_spacing / 2 + infill_peri_overlap - infill_gap,
(float)min_perimeter_infill_spacing / 2);
//if any top_fills, grow them by ext_perimeter_spacing/2 to have the real un-anchored fill
ExPolygons top_infill_exp = intersection_ex(fill_clip, offset_ex(top_fills, ext_perimeter_spacing / 2));
if (!top_fills.empty()) {
infill_exp = union_ex(infill_exp, offset_ex(top_infill_exp, infill_peri_overlap));
}
this->fill_surfaces->append(infill_exp, stPosInternal | stDensSparse);
if (infill_peri_overlap != 0) {
@ -865,7 +897,22 @@ void PerimeterGenerator::process()
not_filled_exp,
-inset - infill_gap - min_perimeter_infill_spacing / 2,
(float) min_perimeter_infill_spacing / 2);
this->fill_no_overlap.insert(this->fill_no_overlap.end(), polyWithoutOverlap.begin(), polyWithoutOverlap.end());
if (!top_fills.empty()) {
polyWithoutOverlap = union_ex(polyWithoutOverlap, top_infill_exp);
this->fill_no_overlap.insert(this->fill_no_overlap.end(), polyWithoutOverlap.begin(), polyWithoutOverlap.end());
/*{
std::stringstream stri;
stri << this->layer->id() << "_2_end_makeperimeter_" << this->layer->id() << ".svg";
SVG svg(stri.str());
svg.draw(to_polylines(infill_exp), "blue");
svg.draw(to_polylines(fill_no_overlap), "cyan");
svg.draw(to_polylines(not_filled_exp), "green");
svg.draw(to_polylines(last), "yellow");
svg.draw(to_polylines(offset_ex(fill_clip, ext_perimeter_spacing / 2)), "yellow");
svg.draw(to_polylines(top_infill_exp), "orange");
svg.Close();
}*/
}
}
} // for each island
}