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Fix infill anchor missing for FillPlanePath (#9462)

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Fix infill anchor missing for archimedian chords, hilbert curve and octagram spiral infill pattern
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Henk 2025-04-24 05:03:28 +02:00 • committed by GitHub
parent 09f2ee467b
commit 672c115c61
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1 changed files with 34 additions and 32 deletions
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12
src/libslic3r/Fill/FillPlanePath.cpp
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@ -119,8 +119,9 @@ void FillPlanePath::_fill_surface_single(
if (polyline.size() >= 2) {
Polylines polylines = intersection_pl(polyline, expolygon);
if (!polylines.empty()) {
Polylines chained;
if (params.dont_connect() || params.density > 0.5 || polylines.size() <= 1) {
if (params.dont_connect() || params.density > 0.5) {
// ORCA: special flag for flow rate calibration
auto is_flow_calib = params.extrusion_role == erTopSolidInfill &&
this->print_object_config->has("calib_flowrate_topinfill_special_order") &&
@ -129,7 +130,8 @@ void FillPlanePath::_fill_surface_single(
if (is_flow_calib) {
// We want the spiral part to be printed inside-out
// Find the center spiral line first, by looking for the longest one
auto it = std::max_element(polylines.begin(), polylines.end(), [](const Polyline& a, const Polyline& b) { return a.length() < b.length(); });
auto it = std::max_element(polylines.begin(), polylines.end(),
[](const Polyline& a, const Polyline& b) { return a.length() < b.length(); });
Polyline center_spiral = std::move(*it);
// Ensure the spiral is printed from inside to out
@ -146,16 +148,16 @@ void FillPlanePath::_fill_surface_single(
} else {
chained = chain_polylines(std::move(polylines));
}
}
else
} else
connect_infill(std::move(polylines), expolygon, chained, this->spacing, params);
// paths must be repositioned and rotated back
for (Polyline &pl : chained) {
for (Polyline& pl : chained) {
pl.translate(shift.x(), shift.y());
pl.rotate(direction.first);
}
append(polylines_out, std::move(chained));
}
}
}
// Follow an Archimedean spiral, in polar coordinates: r=a+b\theta